diff --git a/.gitignore b/.gitignore index 67d2f35..8b0b16e 100644 --- a/.gitignore +++ b/.gitignore @@ -18,6 +18,7 @@ *.c.[012]*.* *.dt.yaml *.dtb +*.dtbo *.dtb.S *.dwo *.elf diff --git b/Documentation/devicetree/bindings/power/pwrseq/pwrseq-generic.txt b/Documentation/devicetree/bindings/power/pwrseq/pwrseq-generic.txt new file mode 100644 index 0000000..ebf0d47 --- /dev/null +++ b/Documentation/devicetree/bindings/power/pwrseq/pwrseq-generic.txt @@ -0,0 +1,48 @@ +The generic power sequence library + +Some hard-wired devices (eg USB/MMC) need to do power sequence before +the device can be enumerated on the bus, the typical power sequence +like: enable USB PHY clock, toggle reset pin, etc. But current +Linux device driver lacks of such code to do it, it may cause some +hard-wired devices works abnormal or can't be recognized by +controller at all. The power sequence will be done before this device +can be found at the bus. + +The power sequence properties is under the device node. + +Optional properties: +- clocks: the input clocks for device. +- reset-gpios: Should specify the GPIO for reset. +- reset-duration-us: the duration in microsecond for assert reset signal. + +Below is the example of USB power sequence properties on USB device +nodes which have two level USB hubs. + +&usbotg1 { + vbus-supply = <®_usb_otg1_vbus>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb_otg1_id>; + status = "okay"; + + #address-cells = <1>; + #size-cells = <0>; + genesys: hub@1 { + compatible = "usb5e3,608"; + reg = <1>; + + clocks = <&clks IMX6SX_CLK_CKO>; + reset-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>; /* hub reset pin */ + reset-duration-us = <10>; + + #address-cells = <1>; + #size-cells = <0>; + asix: ethernet@1 { + compatible = "usbb95,1708"; + reg = <1>; + + clocks = <&clks IMX6SX_CLK_IPG>; + reset-gpios = <&gpio4 6 GPIO_ACTIVE_LOW>; /* ethernet_rst */ + reset-duration-us = <15>; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/usb/usb-device.txt b/Documentation/devicetree/bindings/usb/usb-device.txt index 036be17..cb85f82 100644 --- a/Documentation/devicetree/bindings/usb/usb-device.txt +++ b/Documentation/devicetree/bindings/usb/usb-device.txt @@ -65,6 +65,9 @@ Required properties for host-controller nodes with device nodes: - #address-cells: shall be 1 - #size-cells: shall be 0 +Optional properties: +power sequence properties, see +Documentation/devicetree/bindings/power/pwrseq/pwrseq-generic.txt for detail Example: @@ -72,9 +75,13 @@ Example: #address-cells = <1>; #size-cells = <0>; - hub@1 { /* hub connected to port 1 */ + genesys: hub@1 { /* hub connected to port 1 */ compatible = "usb5e3,608"; reg = <1>; + + clocks = <&clks IMX6SX_CLK_CKO>; + reset-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>; /* hub reset pin */ + reset-duration-us = <10>; }; device@2 { /* device connected to port 2 */ diff --git b/Documentation/power/power-sequence/design.rst b/Documentation/power/power-sequence/design.rst new file mode 100644 index 0000000..554608e --- /dev/null +++ b/Documentation/power/power-sequence/design.rst @@ -0,0 +1,54 @@ +==================================== +Power Sequence Library +==================================== + +:Date: Feb, 2017 +:Author: Peter Chen + + +Introduction +============ + +We have an well-known problem that the device needs to do a power +sequence before it can be recognized by related host, the typical +examples are hard-wired mmc devices and usb devices. The host controller +can't know what kinds of this device is in its bus if the power +sequence has not done, since the related devices driver's probe calling +is determined by runtime according to eunumeration results. Besides, +the devices may have custom power sequence, so the power sequence library +which is independent with the devices is needed. + +Design +============ + +The power sequence library includes the core file and customer power +sequence library. The core file exports interfaces are called by +host controller driver for power sequence and customer power sequence +library files to register its power sequence instance to global +power sequence list. The custom power sequence library creates power +sequence instance and implement custom power sequence. + +Since the power sequence describes hardware design, the description is +located at board description file, eg, device tree dts file. And +a specific power sequence belongs to device, so its description +is under the device node, please refer to: +Documentation/devicetree/bindings/power/pwrseq/pwrseq-generic.txt + +Custom power sequence library allocates one power sequence instance at +bootup periods using postcore_initcall, this static allocated instance is +used to compare with device-tree (DT) node to see if this library can be +used for the node or not. When the result is matched, the core API will +try to get resourses (->get, implemented at each library) for power +sequence, if all resources are got, it will try to allocate another +instance for next possible request from host driver. + +Then, the host controller driver can carry out power sequence on for this +DT node, the library will do corresponding operations, like open clocks, +toggle gpio, etc. The power sequence off routine will close and free the +resources, and is called when the parent is removed. And the power +sequence suspend and resume routine can be called at host driver's +suspend and resume routine if needed. + +The exported interfaces +.. kernel-doc:: drivers/power/pwrseq/core.c + :export: diff --git a/MAINTAINERS b/MAINTAINERS index 4fef10d..fee1f8c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14014,6 +14014,15 @@ F: drivers/firmware/psci/ F: include/linux/psci.h F: include/uapi/linux/psci.h +POWER SEQUENCE LIBRARY +M: Peter Chen +T: git git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb.git +L: linux-pm@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/power/pwrseq/ +F: drivers/power/pwrseq/ +F: include/linux/power/pwrseq.h + POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS M: Sebastian Reichel L: linux-pm@vger.kernel.org diff --git a/Makefile b/Makefile index 7c3229c..a207d83 100644 --- a/Makefile +++ b/Makefile @@ -1353,6 +1353,9 @@ ifneq ($(dtstree),) %.dtb: include/config/kernel.release scripts_dtc $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ +%.dtbo: include/config/kernel.release scripts_dtc + $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ + PHONY += dtbs dtbs_install dtbs_check dtbs: include/config/kernel.release scripts_dtc $(Q)$(MAKE) $(build)=$(dtstree) diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index ce66ffd..f579ca3 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1,4 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 + +ifeq ($(CONFIG_OF_OVERLAY),y) +DTC_FLAGS += -@ +endif + dtb-$(CONFIG_ARCH_ALPINE) += \ alpine-db.dtb dtb-$(CONFIG_MACH_ARTPEC6) += \ @@ -794,6 +799,9 @@ dtb-$(CONFIG_SOC_AM33XX) += \ am335x-base0033.dtb \ am335x-bone.dtb \ am335x-boneblack.dtb \ + am335x-boneblack-uboot.dtb \ + am335x-sancloud-bbe-lite.dtb \ + am335x-bonegreen-gateway.dtb \ am335x-boneblack-wireless.dtb \ am335x-boneblue.dtb \ am335x-bonegreen.dtb \ @@ -1408,3 +1416,8 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-bmc-opp-zaius.dtb \ aspeed-bmc-portwell-neptune.dtb \ aspeed-bmc-quanta-q71l.dtb + +targets += dtbs dtbs_install +targets += $(dtb-y) + +subdir-y := overlays diff --git b/arch/arm/boot/dts/am335x-bbb-bone-buses.dtsi b/arch/arm/boot/dts/am335x-bbb-bone-buses.dtsi new file mode 100644 index 0000000..02cd206 --- /dev/null +++ b/arch/arm/boot/dts/am335x-bbb-bone-buses.dtsi @@ -0,0 +1,85 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2020 Deepak Khatri + * Copyright (C) 2021 Robert Nelson + * See Cape Interface Spec page for more info on Bone Buses + * https://elinux.org/Beagleboard:BeagleBone_cape_interface_spec + */ + +#include +#include + +// For dummy refrence when peripheral is not available. +&{/} { + not_available: not_available { + // Use ¬_available when required. + // This node is responsible to create these entries, + // /sys/firmware/devicetree/base/__symbols__/not_available + // /sys/firmware/devicetree/base/not_available + }; +}; + +// For compatible bone pinmuxing +bone_pinmux: &am33xx_pinmux { + emmc_pins: pinmux_emmc_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2) /* gpmc_csn1.mmc1_clk */ + AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_INPUT_PULLUP, MUX_MODE2) /* gpmc_csn2.mmc1_cmd */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad4.mmc1_dat4 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad5.mmc1_dat5 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad6.mmc1_dat6 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */ + >; + }; + + nxp_hdmi_bonelt_pins: nxp_hdmi_bonelt_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + >; + }; + + nxp_hdmi_bonelt_off_pins: nxp_hdmi_bonelt_off_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3) + >; + }; + + mcasp0_pins: mcasp0_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLUP, MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */ + AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKR, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/ + AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_OUTPUT_PULLUP, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gpmc_a11.GPIO1_27 */ + >; + }; +}; + +// ADC +bone_adc: &tscadc { + +}; diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi index 2d51d4b..ffdee85 100644 --- a/arch/arm/boot/dts/am335x-bone-common.dtsi +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi @@ -26,14 +26,14 @@ compatible = "gpio-leds"; led2 { - label = "beaglebone:green:heartbeat"; + label = "beaglebone:green:usr0"; gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>; linux,default-trigger = "heartbeat"; default-state = "off"; }; led3 { - label = "beaglebone:green:mmc0"; + label = "beaglebone:green:usr1"; gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>; linux,default-trigger = "mmc0"; default-state = "off"; @@ -189,6 +189,7 @@ pinctrl-0 = <&uart0_pins>; status = "okay"; + symlink = "bone/uart/0"; }; &usb0 { @@ -207,6 +208,7 @@ status = "okay"; clock-frequency = <400000>; + symlink = "bone/i2c/0"; tps: tps@24 { reg = <0x24>; @@ -230,6 +232,7 @@ status = "okay"; clock-frequency = <100000>; + symlink = "bone/i2c/2"; cape_eeprom0: cape_eeprom0@54 { compatible = "atmel,24c256"; @@ -397,3 +400,16 @@ clocks = <&clk_32768_ck>, <&clk_24mhz_clkctrl AM3_CLK_24MHZ_CLKDIV32K_CLKCTRL 0>; clock-names = "ext-clk", "int-clk"; }; + +&pruss_tm { + status = "okay"; +}; + +&tscadc { + adc { + ti,adc-channels = <0 1 2 3 4 5 6 7>; + ti,chan-step-avg = <16 16 16 16 16 16 16 16>; + ti,chan-step-opendelay = <0x98 0x98 0x98 0x98 0x98 0x98 0x98 0x98>; + ti,chan-step-sampledelay = <0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0>; + }; +}; diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index b5d85ef..ea138cb 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -10,6 +10,11 @@ / { model = "TI AM335x BeagleBone"; compatible = "ti,am335x-bone", "ti,am33xx"; + + chosen { + base_dtb = "am335x-bone.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; }; &ldo3_reg { diff --git a/arch/arm/boot/dts/am335x-boneblack-common.dtsi b/arch/arm/boot/dts/am335x-boneblack-common.dtsi index 64c3e92..10494c4 100644 --- a/arch/arm/boot/dts/am335x-boneblack-common.dtsi +++ b/arch/arm/boot/dts/am335x-boneblack-common.dtsi @@ -3,9 +3,6 @@ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ */ -#include -#include - &ldo3_reg { regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -25,145 +22,13 @@ non-removable; }; -&am33xx_pinmux { - nxp_hdmi_bonelt_pins: nxp_hdmi_bonelt_pins { - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - >; - }; - - nxp_hdmi_bonelt_off_pins: nxp_hdmi_bonelt_off_pins { - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3) - >; - }; - - mcasp0_pins: mcasp0_pins { - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLUP, MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */ - AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKR, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/ - AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_OUTPUT_PULLUP, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gpmc_a11.GPIO1_27 */ - >; - }; -}; - -&lcdc { - status = "okay"; - - /* If you want to get 24 bit RGB and 16 BGR mode instead of - * current 16 bit RGB and 24 BGR modes, set the propety - * below to "crossed" and uncomment the video-ports -property - * in tda19988 node. - */ - blue-and-red-wiring = "straight"; - - port { - lcdc_0: endpoint@0 { - remote-endpoint = <&hdmi_0>; - }; - }; -}; - -&i2c0 { - tda19988: tda19988@70 { - compatible = "nxp,tda998x"; - reg = <0x70>; - nxp,calib-gpios = <&gpio1 25 0>; - interrupts-extended = <&gpio1 25 IRQ_TYPE_LEVEL_LOW>; - - pinctrl-names = "default", "off"; - pinctrl-0 = <&nxp_hdmi_bonelt_pins>; - pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>; - - /* Convert 24bit BGR to RGB, e.g. cross red and blue wiring */ - /* video-ports = <0x234501>; */ - - #sound-dai-cells = <0>; - audio-ports = < TDA998x_I2S 0x03>; - - ports { - port@0 { - hdmi_0: endpoint@0 { - remote-endpoint = <&lcdc_0>; - }; - }; - }; - }; -}; - &rtc { system-power-controller; }; -&mcasp0 { - #sound-dai-cells = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&mcasp0_pins>; - status = "okay"; - op-mode = <0>; /* MCASP_IIS_MODE */ - tdm-slots = <2>; - serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ - 0 0 1 0 - >; - tx-num-evt = <32>; - rx-num-evt = <32>; -}; - / { memory@80000000 { device_type = "memory"; reg = <0x80000000 0x20000000>; /* 512 MB */ }; - - clk_mcasp0_fixed: clk_mcasp0_fixed { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <24576000>; - }; - - clk_mcasp0: clk_mcasp0 { - #clock-cells = <0>; - compatible = "gpio-gate-clock"; - clocks = <&clk_mcasp0_fixed>; - enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */ - }; - - sound { - compatible = "simple-audio-card"; - simple-audio-card,name = "TI BeagleBone Black"; - simple-audio-card,format = "i2s"; - simple-audio-card,bitclock-master = <&dailink0_master>; - simple-audio-card,frame-master = <&dailink0_master>; - - dailink0_master: simple-audio-card,cpu { - sound-dai = <&mcasp0>; - clocks = <&clk_mcasp0>; - }; - - simple-audio-card,codec { - sound-dai = <&tda19988>; - }; - }; }; diff --git b/arch/arm/boot/dts/am335x-boneblack-hdmi.dtsi b/arch/arm/boot/dts/am335x-boneblack-hdmi.dtsi new file mode 100644 index 0000000..7cfddad --- /dev/null +++ b/arch/arm/boot/dts/am335x-boneblack-hdmi.dtsi @@ -0,0 +1,141 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#include +#include + +&am33xx_pinmux { + nxp_hdmi_bonelt_pins: nxp_hdmi_bonelt_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + >; + }; + + nxp_hdmi_bonelt_off_pins: nxp_hdmi_bonelt_off_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3) + >; + }; + + mcasp0_pins: mcasp0_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLUP, MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */ + AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKR, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/ + AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_OUTPUT_PULLUP, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gpmc_a11.GPIO1_27 */ + >; + }; +}; + +&lcdc { + status = "okay"; + + /* If you want to get 24 bit RGB and 16 BGR mode instead of + * current 16 bit RGB and 24 BGR modes, set the propety + * below to "crossed" and uncomment the video-ports -property + * in tda19988 node. + */ + blue-and-red-wiring = "straight"; + + port { + lcdc_0: endpoint@0 { + remote-endpoint = <&hdmi_0>; + }; + }; +}; + +&i2c0 { + tda19988: tda19988@70 { + compatible = "nxp,tda998x"; + reg = <0x70>; + nxp,calib-gpios = <&gpio1 25 0>; + interrupts-extended = <&gpio1 25 IRQ_TYPE_LEVEL_LOW>; + + pinctrl-names = "default", "off"; + pinctrl-0 = <&nxp_hdmi_bonelt_pins>; + pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>; + + /* Convert 24bit BGR to RGB, e.g. cross red and blue wiring */ + /* video-ports = <0x234501>; */ + + #sound-dai-cells = <0>; + audio-ports = < TDA998x_I2S 0x03>; + + ports { + port@0 { + hdmi_0: endpoint@0 { + remote-endpoint = <&lcdc_0>; + }; + }; + }; + }; +}; + +&mcasp0 { + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&mcasp0_pins>; + status = "okay"; + op-mode = <0>; /* MCASP_IIS_MODE */ + tdm-slots = <2>; + serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ + 0 0 1 0 + >; + tx-num-evt = <32>; + rx-num-evt = <32>; +}; + +/ { + clk_mcasp0_fixed: clk_mcasp0_fixed { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24576000>; + }; + + clk_mcasp0: clk_mcasp0 { + #clock-cells = <0>; + compatible = "gpio-gate-clock"; + clocks = <&clk_mcasp0_fixed>; + enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */ + }; + + sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "TI BeagleBone Black"; + simple-audio-card,format = "i2s"; + simple-audio-card,bitclock-master = <&dailink0_master>; + simple-audio-card,frame-master = <&dailink0_master>; + + dailink0_master: simple-audio-card,cpu { + sound-dai = <&mcasp0>; + clocks = <&clk_mcasp0>; + }; + + simple-audio-card,codec { + sound-dai = <&tda19988>; + }; + }; +}; diff --git b/arch/arm/boot/dts/am335x-boneblack-uboot.dts b/arch/arm/boot/dts/am335x-boneblack-uboot.dts new file mode 100644 index 0000000..4226cc5 --- /dev/null +++ b/arch/arm/boot/dts/am335x-boneblack-uboot.dts @@ -0,0 +1,193 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ +/dts-v1/; + +#include "am33xx.dtsi" +#include "am335x-bone-common.dtsi" +#include "am335x-bbb-bone-buses.dtsi" + +/ { + model = "TI AM335x BeagleBone Black"; + compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; + + chosen { + base_dtb = "am335x-boneblack-uboot.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x20000000>; /* 512 MB */ + }; +}; + +&cpu0_opp_table { + /* + * All PG 2.0 silicon may not support 1GHz but some of the early + * BeagleBone Blacks have PG 2.0 silicon which is guaranteed + * to support 1GHz OPP so enable it for PG 2.0 on this board. + */ + oppnitro-1000000000 { + opp-supported-hw = <0x06 0x0100>; + }; +}; + +&ldo3_reg { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; +}; + +&mmc1 { + vmmc-supply = <&vmmcsd_fixed>; +}; + +&rtc { + system-power-controller; +}; + +&gpio0 { + gpio-line-names = + "[mdio_data]", + "[mdio_clk]", + "P9_22 [spi0_sclk]", + "P9_21 [spi0_d0]", + "P9_18 [spi0_d1]", + "P9_17 [spi0_cs0]", + "[mmc0_cd]", + "P8_42A [ecappwm0]", + "P8_35 [lcd d12]", + "P8_33 [lcd d13]", + "P8_31 [lcd d14]", + "P8_32 [lcd d15]", + "P9_20 [i2c2_sda]", + "P9_19 [i2c2_scl]", + "P9_26 [uart1_rxd]", + "P9_24 [uart1_txd]", + "[rmii1_txd3]", + "[rmii1_txd2]", + "[usb0_drvvbus]", + "[hdmi cec]", + "P9_41B", + "[rmii1_txd1]", + "P8_19 [ehrpwm2a]", + "P8_13 [ehrpwm2b]", + "NC", + "NC", + "P8_14", + "P8_17", + "[rmii1_txd0]", + "[rmii1_refclk]", + "P9_11 [uart4_rxd]", + "P9_13 [uart4_txd]"; +}; + +&gpio1 { + gpio-line-names = + "P8_25 [mmc1_dat0]", + "[mmc1_dat1]", + "P8_5 [mmc1_dat2]", + "P8_6 [mmc1_dat3]", + "P8_23 [mmc1_dat4]", + "P8_22 [mmc1_dat5]", + "P8_3 [mmc1_dat6]", + "P8_4 [mmc1_dat7]", + "NC", + "NC", + "NC", + "NC", + "P8_12", + "P8_11", + "P8_16", + "P8_15", + "P9_15A", + "P9_23", + "P9_14 [ehrpwm1a]", + "P9_16 [ehrpwm1b]", + "[emmc rst]", + "[usr0 led]", + "[usr1 led]", + "[usr2 led]", + "[usr3 led]", + "[hdmi irq]", + "[usb vbus oc]", + "[hdmi audio]", + "P9_12", + "P8_26", + "P8_21 [emmc]", + "P8_20 [emmc]"; +}; + +&gpio2 { + gpio-line-names = + "P9_15B", + "P8_18", + "P8_7", + "P8_8", + "P8_10", + "P8_9", + "P8_45 [hdmi]", + "P8_46 [hdmi]", + "P8_43 [hdmi]", + "P8_44 [hdmi]", + "P8_41 [hdmi]", + "P8_42 [hdmi]", + "P8_39 [hdmi]", + "P8_40 [hdmi]", + "P8_37 [hdmi]", + "P8_38 [hdmi]", + "P8_36 [hdmi]", + "P8_34 [hdmi]", + "[rmii1_rxd3]", + "[rmii1_rxd2]", + "[rmii1_rxd1]", + "[rmii1_rxd0]", + "P8_27 [hdmi]", + "P8_29 [hdmi]", + "P8_28 [hdmi]", + "P8_30 [hdmi]", + "[mmc0_dat3]", + "[mmc0_dat2]", + "[mmc0_dat1]", + "[mmc0_dat0]", + "[mmc0_clk]", + "[mmc0_cmd]"; +}; + +&gpio3 { + gpio-line-names = + "[mii col]", + "[mii crs]", + "[mii rx err]", + "[mii tx en]", + "[mii rx dv]", + "[i2c0 sda]", + "[i2c0 scl]", + "[jtag emu0]", + "[jtag emu1]", + "[mii tx clk]", + "[mii rx clk]", + "NC", + "NC", + "[usb vbus en]", + "P9_31 [spi1_sclk]", + "P9_29 [spi1_d0]", + "P9_30 [spi1_d1]", + "P9_28 [spi1_cs0]", + "P9_42B [ecappwm0]", + "P9_27", + "P9_41A", + "P9_25", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC"; +}; diff --git a/arch/arm/boot/dts/am335x-boneblack-wireless.dts b/arch/arm/boot/dts/am335x-boneblack-wireless.dts index 86cad99..c14391f 100644 --- a/arch/arm/boot/dts/am335x-boneblack-wireless.dts +++ b/arch/arm/boot/dts/am335x-boneblack-wireless.dts @@ -7,12 +7,18 @@ #include "am33xx.dtsi" #include "am335x-bone-common.dtsi" #include "am335x-boneblack-common.dtsi" +#include "am335x-boneblack-hdmi.dtsi" #include / { model = "TI AM335x BeagleBone Black Wireless"; compatible = "ti,am335x-bone-black-wireless", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; + chosen { + base_dtb = "am335x-boneblack-wireless.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; + wlan_en_reg: fixedregulator@2 { compatible = "regulator-fixed"; regulator-name = "wlan-en-regulator"; @@ -101,7 +107,7 @@ }; &gpio3 { - ls_buf_en { + ls-buf-en-hog { gpio-hog; gpios = <10 GPIO_ACTIVE_HIGH>; output-high; diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts index b4feb85..2788ab0 100644 --- a/arch/arm/boot/dts/am335x-boneblack.dts +++ b/arch/arm/boot/dts/am335x-boneblack.dts @@ -7,10 +7,16 @@ #include "am33xx.dtsi" #include "am335x-bone-common.dtsi" #include "am335x-boneblack-common.dtsi" +#include "am335x-boneblack-hdmi.dtsi" / { model = "TI AM335x BeagleBone Black"; compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; + + chosen { + base_dtb = "am335x-boneblack.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; }; &cpu0_opp_table { @@ -26,54 +32,54 @@ &gpio0 { gpio-line-names = - "[ethernet]", - "[ethernet]", + "[mdio_data]", + "[mdio_clk]", "P9_22 [spi0_sclk]", "P9_21 [spi0_d0]", "P9_18 [spi0_d1]", "P9_17 [spi0_cs0]", - "[sd card]", - "P9_42A [ecappwm0]", - "P8_35 [hdmi]", - "P8_33 [hdmi]", - "P8_31 [hdmi]", - "P8_32 [hdmi]", + "[mmc0_cd]", + "P8_42A [ecappwm0]", + "P8_35 [lcd d12]", + "P8_33 [lcd d13]", + "P8_31 [lcd d14]", + "P8_32 [lcd d15]", "P9_20 [i2c2_sda]", "P9_19 [i2c2_scl]", "P9_26 [uart1_rxd]", "P9_24 [uart1_txd]", - "[ethernet]", - "[ethernet]", - "[usb]", - "[hdmi]", + "[rmii1_txd3]", + "[rmii1_txd2]", + "[usb0_drvvbus]", + "[hdmi cec]", "P9_41B", - "[ethernet]", + "[rmii1_txd1]", "P8_19 [ehrpwm2a]", "P8_13 [ehrpwm2b]", - "[NC]", - "[NC]", + "NC", + "NC", "P8_14", "P8_17", - "[ethernet]", - "[ethernet]", + "[rmii1_txd0]", + "[rmii1_refclk]", "P9_11 [uart4_rxd]", "P9_13 [uart4_txd]"; }; &gpio1 { gpio-line-names = - "P8_25 [emmc]", - "[emmc]", - "P8_5 [emmc]", - "P8_6 [emmc]", - "P8_23 [emmc]", - "P8_22 [emmc]", - "P8_3 [emmc]", - "P8_4 [emmc]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", + "P8_25 [mmc1_dat0]", + "[mmc1_dat1]", + "P8_5 [mmc1_dat2]", + "P8_6 [mmc1_dat3]", + "P8_23 [mmc1_dat4]", + "P8_22 [mmc1_dat5]", + "P8_3 [mmc1_dat6]", + "P8_4 [mmc1_dat7]", + "NC", + "NC", + "NC", + "NC", "P8_12", "P8_11", "P8_16", @@ -82,13 +88,13 @@ "P9_23", "P9_14 [ehrpwm1a]", "P9_16 [ehrpwm1b]", - "[emmc]", + "[emmc rst]", "[usr0 led]", "[usr1 led]", "[usr2 led]", "[usr3 led]", - "[hdmi]", - "[usb]", + "[hdmi irq]", + "[usb vbus oc]", "[hdmi audio]", "P9_12", "P8_26", @@ -116,38 +122,38 @@ "P8_38 [hdmi]", "P8_36 [hdmi]", "P8_34 [hdmi]", - "[ethernet]", - "[ethernet]", - "[ethernet]", - "[ethernet]", + "[rmii1_rxd3]", + "[rmii1_rxd2]", + "[rmii1_rxd1]", + "[rmii1_rxd0]", "P8_27 [hdmi]", "P8_29 [hdmi]", "P8_28 [hdmi]", "P8_30 [hdmi]", - "[emmc]", - "[emmc]", - "[emmc]", - "[emmc]", - "[emmc]", - "[emmc]"; + "[mmc0_dat3]", + "[mmc0_dat2]", + "[mmc0_dat1]", + "[mmc0_dat0]", + "[mmc0_clk]", + "[mmc0_cmd]"; }; &gpio3 { gpio-line-names = - "[ethernet]", - "[ethernet]", - "[ethernet]", - "[ethernet]", - "[ethernet]", - "[i2c0]", - "[i2c0]", - "[emu]", - "[emu]", - "[ethernet]", - "[ethernet]", - "[NC]", - "[NC]", - "[usb]", + "[mii col]", + "[mii crs]", + "[mii rx err]", + "[mii tx en]", + "[mii rx dv]", + "[i2c0 sda]", + "[i2c0 scl]", + "[jtag emu0]", + "[jtag emu1]", + "[mii tx clk]", + "[mii rx clk]", + "NC", + "NC", + "[usb vbus en]", "P9_31 [spi1_sclk]", "P9_29 [spi1_d0]", "P9_30 [spi1_d1]", @@ -156,14 +162,14 @@ "P9_27", "P9_41A", "P9_25", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]"; + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC"; }; diff --git a/arch/arm/boot/dts/am335x-boneblue.dts b/arch/arm/boot/dts/am335x-boneblue.dts index c696d57..97e53a3 100644 --- a/arch/arm/boot/dts/am335x-boneblue.dts +++ b/arch/arm/boot/dts/am335x-boneblue.dts @@ -14,6 +14,8 @@ chosen { stdout-path = &uart0; + base_dtb = "am335x-boneblue.dts"; + base_dtb_timestamp = __TIMESTAMP__; }; leds { @@ -128,7 +130,6 @@ AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE7) /* (T5) lcd_data15.gpio0[11] - P8.32, BATT_LED_2 */ AM33XX_PADCONF(AM335X_PIN_GPMC_CSN0, PIN_OUTPUT, MUX_MODE7) /* (V6) gpmc_csn0.gpio1[29] - P8.26, BATT_LED_3 */ AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE7) /* (T11) gpmc_ad10.gpio0[26] - P8.14, BATT_LED_4 */ - >; }; @@ -241,6 +242,30 @@ AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_OUTPUT, MUX_MODE7) /* (M16) gmii1_rxd0.gpio2[21] */ >; }; + + /* E1 */ + eqep0_pins: pinmux_eqep0_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR0, PIN_INPUT, MUX_MODE1) /* (B12) mcasp0_aclkr.eQEP0A_in */ + AM33XX_PADCONF(AM335X_PIN_MCASP0_FSR, PIN_INPUT, MUX_MODE1) /* (C13) mcasp0_fsr.eQEP0B_in */ + >; + }; + + /* E2 */ + eqep1_pins: pinmux_eqep1_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_INPUT, MUX_MODE2) /* (V2) lcd_data12.eQEP1A_in */ + AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_INPUT, MUX_MODE2) /* (V3) lcd_data13.eQEP1B_in */ + >; + }; + + /* E3 */ + eqep2_pins: pinmux_eqep2_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT, MUX_MODE4) /* (T12) gpmc_ad12.eQEP2A_in */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT, MUX_MODE4) /* (R12) gpmc_ad13.eQEP2B_in */ + >; + }; }; &uart0 { @@ -411,11 +436,182 @@ status = "okay"; }; +&gpio0 { + gpio-line-names = + "UART3_CTS", /* M17 */ + "UART3_RTS", /* M18 */ + "UART2_RX", /* A17 */ + "UART2_TX", /* B17 */ + "I2C1_SDA", /* B16 */ + "I2C1_SCL", /* A16 */ + "MMC0_CD", /* C15 */ + "SPI1_SS2", /* C18 */ + "EQEP_1A", /* V2 */ + "EQEP_1B", /* V3 */ + "MDIR_2B", /* V4 */ + "BATT_LED_2", /* T5 */ + "I2C2_SDA", /* D18 */ + "I2C2_SCL", /* D17 */ + "UART1_RX", /* D16 */ + "UART1_TX", /* D15 */ + "MMC2_DAT1", /* J18 */ + "MMC2_DAT2", /* K15 */ + "NC", /* F16 */ + "WIFI_LED", /* A15 */ + "MOT_STBY", /* D14 */ + "WLAN_IRQ", /* K16 */ + "PWM_2A", /* U10 */ + "PWM_2B", /* T10 */ + "", + "", + "BATT_LED_4", /* T11 */ + "BATT_LED_1", /* U12 */ + "BT_EN", /* K17 */ + "SPI1_SS1", /* H18 */ + "UART4_RX", /* T17 */ + "MDIR_1B"; /* U17 */ +}; + +&gpio1 { + gpio-line-names = + "MMC1_DAT0", /* U7 */ + "MMC1_DAT1", /* V7 */ + "MMC1_DAT2", /* R8 */ + "MMC1_DAT3", /* T8 */ + "MMC1_DAT4", /* U8 */ + "MMC1_DAT5", /* V8 */ + "MMC1_DAT6", /* R9 */ + "MMC1_DAT7", /* T9 */ + "DCAN1_TX", /* E18 */ + "DCAN1_RX", /* E17 */ + "UART0_RX", /* E15 */ + "UART0_TX", /* E16 */ + "EQEP_2A", /* T12 */ + "EQEP_2B", /* R12 */ + "PRU_E_A", /* V13 */ + "PRU_E_B", /* U13 */ + "MDIR_2A", /* R13 */ + "GPIO1_17", /* V14 */ + "PWM_1A", /* U14 */ + "PWM_1B", /* T14 */ + "EMMC_RST", /* R14 */ + "USR_LED_0", /* V15 */ + "USR_LED_1", /* U15 */ + "USR_LED_2", /* T15 */ + "USR_LED_3", /* V16 */ + "GPIO1_25", /* U16 */ + "MCASP0_AXR0", /* T16 */ + "MCASP0_AXR1", /* V17 */ + "MCASP0_ACLKR", /* U18 */ + "BATT_LED_3", /* V6 */ + "MMC1_CLK", /* U9 */ + "MMC1_CMD"; /* V9 */ +}; + +&gpio2 { + gpio-line-names = + "MDIR_1A", /* T13 */ + "MCASP0_FSR", /* V12 */ + "LED_RED", /* R7 */ + "LED_GREEN", /* T7 */ + "MODE_BTN", /* U6 */ + "PAUSE_BTN", /* T6 */ + "MDIR_4A", /* R1 */ + "MDIR_4B", /* R2 */ + "MDIR_3B", /* R3 */ + "MDIR_3A", /* R4 */ + "SVO7", /* T1 */ + "SVO8", /* T2 */ + "SVO5", /* T3 */ + "SVO6", /* T4 */ + "UART5_TX", /* U1 */ + "UART5_RX", /* U2 */ + "SERVO_EN", /* U3 */ + "NC", /* U4 */ + "UART3_RX", /* L17 */ + "UART3_TX", /* L16 */ + "MMC2_CLK", /* L15 */ + "DCAN1_SILENT", /* M16 */ + "SVO1", /* U5 */ + "SVO3", /* R5 */ + "SVO2", /* V5 */ + "SVO4", /* R6 */ + "MMC0_DAT3", /* F17 */ + "MMC0_DAT2", /* F18 */ + "MMC0_DAT1", /* G15 */ + "MMC0_DAT0", /* G16 */ + "MMC0_CLK", /* G17 */ + "MMC0_CMD"; /* G18 */ +}; + &gpio3 { - ls_buf_en { + gpio-line-names = + "MMC2_DAT3", /* H16 */ + "GPIO3_1", /* H17 */ + "GPIO3_2", /* J15 */ + "MMC2_CMD", /* J16 */ + "MMC2_DAT0", /* J17 */ + "I2C0_SDA", /* C17 */ + "I2C0_SCL", /* C16 */ + "EMU1", /* C14 */ + "EMU0", /* B14 */ + "WL_EN", /* K18 */ + "WL_BT_OE", /* L18 */ + "", + "", + "NC", /* F15 */ + "SPI1_SCK", /* A13 */ + "SPI1_MISO", /* B13 */ + "SPI1_MOSI", /* D12 */ + "GPIO3_17", /* C12 */ + "EQEP_0A", /* B12 */ + "EQEP_0B", /* C13 */ + "GPIO3_20", /* D13 */ + "IMU_INT", /* A14 */ + "", + "", + "", + "", + "", + "", + "", + "", + "", + ""; + + ls-buf-en-hog { gpio-hog; gpios = <10 GPIO_ACTIVE_HIGH>; output-high; - line-name = "LS_BUF_EN"; }; }; + +&epwmss0 { + status = "okay"; +}; + +&eqep0 { + pinctrl-names = "default"; + pinctrl-0 = <&eqep0_pins>; + status = "okay"; +}; + +&epwmss1 { + status = "okay"; +}; + +&eqep1 { + pinctrl-names = "default"; + pinctrl-0 = <&eqep1_pins>; + status = "okay"; +}; + +&epwmss2 { + status = "okay"; +}; + +&eqep2 { + pinctrl-names = "default"; + pinctrl-0 = <&eqep2_pins>; + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-bonegreen-common.dtsi b/arch/arm/boot/dts/am335x-bonegreen-common.dtsi index 9f7fb63..4c87de5 100644 --- a/arch/arm/boot/dts/am335x-bonegreen-common.dtsi +++ b/arch/arm/boot/dts/am335x-bonegreen-common.dtsi @@ -34,6 +34,7 @@ pinctrl-names = "default"; pinctrl-0 = <&uart2_pins>; status = "okay"; + symlink = "bone/uart/2"; }; &rtc { diff --git b/arch/arm/boot/dts/am335x-bonegreen-gateway.dts b/arch/arm/boot/dts/am335x-bonegreen-gateway.dts new file mode 100644 index 0000000..9bd4c5d --- /dev/null +++ b/arch/arm/boot/dts/am335x-bonegreen-gateway.dts @@ -0,0 +1,208 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ +/dts-v1/; + +#include "am33xx.dtsi" +#include "am335x-bone-common.dtsi" +#include "am335x-bonegreen-common.dtsi" +#include + +/ { + model = "SeeedStudio BeagleBone Green Gateway"; + compatible = "ti,am335x-bone-green-gateway", "ti,am335x-bone-green", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; + + aliases { + rtc0 = &extrtc; + rtc1 = &rtc; + }; + + chosen { + base_dtb = "am335x-bonegreen-gateway.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; + + wlan_en_reg: fixedregulator@2 { + compatible = "regulator-fixed"; + regulator-name = "wlan-en-regulator"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + startup-delay-us= <70000>; + + /* WL_EN */ + gpio = <&gpio3 9 0>; + enable-active-high; + }; + + leds { + pinctrl-0 = <&user_leds_s0 &extra_led_pins>; + + led6 { + label = "beaglebone:green:usr4"; + gpios = <&gpio2 21 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "netdev"; + default-state = "off"; + }; + }; +}; + +&cpu0_opp_table { + /* + * Octavo Systems: + * The EFUSE_SMA register is not programmed for any of the AM335x wafers + * we get and we are not programming them during our production test. + * Therefore, from a DEVICE_ID revision point of view, the silicon looks + * like it is Revision 2.1. However, from an EFUSE_SMA point of view for + * the HW OPP table, the silicon looks like it is Revision 1.0 (ie the + * EFUSE_SMA register reads as all zeros). + */ + oppnitro-1000000000 { + opp-supported-hw = <0x06 0x0100>; + }; +}; + +&am33xx_pinmux { + pinctrl-names = "default"; + pinctrl-0 = <&usbhost_pins>; + + bt_pins: pinmux_bt_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gmii1_txd0.gpio0_28 - BT_EN */ + >; + }; + + mmc3_pins: pinmux_mmc3_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE6 ) /* (L15) gmii1_rxd1.mmc2_clk */ + AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLUP, MUX_MODE6 ) /* (J16) gmii1_txen.mmc2_cmd */ + AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (J17) gmii1_rxdv.mmc2_dat0 */ + AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (J18) gmii1_txd3.mmc2_dat1 */ + AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (K15) gmii1_txd2.mmc2_dat2 */ + AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (H16) gmii1_col.mmc2_dat3 */ + >; + }; + + uart2_grove_pins: pinmux_uart2_grove_pins { + pinctrl-single,pins = < + AM33XX_IOPAD(0x90c, PIN_OUTPUT_PULLUP | INPUT_EN | MUX_MODE6) + AM33XX_IOPAD(0x910, PIN_OUTPUT_PULLUP | INPUT_EN | MUX_MODE6) + >; + }; + + uart3_pins: pinmux_uart3_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE1) /* gmii1_rxd3.uart3_rxd */ + AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE1) /* gmii1_rxd2.uart3_txd */ + AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT, MUX_MODE3) /* mdio_data.uart3_ctsn */ + AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLDOWN, MUX_MODE3) /* mdio_clk.uart3_rtsn */ + >; + }; + + extra_led_pins: pinmux_extra_led_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_OUTPUT, MUX_MODE7) /* WL_Active_LED / USR4 */ + >; + }; + + wl18xx_pins: pinmux_wl18xx_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gmii1_txclk.gpio3_9 WL_EN */ + AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* rmii1_refclk.gpio0_29 WL_IRQ */ + AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gmii1_rxclk.gpio3_10 LS_BUF_EN */ + >; + }; + + usbhost_pins: pinmux_usbhost_pins { + pinctrl-single,pins = < + AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLUP | MUX_MODE7) /* gmii1_txd1.gpio0[21] */ + >; + }; +}; + +&mac { + status = "disabled"; +}; + +&mmc3 { + dmas = <&edma_xbar 12 0 1 + &edma_xbar 13 0 2>; + dma-names = "tx", "rx"; + status = "okay"; + vmmc-supply = <&wlan_en_reg>; + bus-width = <4>; + non-removable; + cap-power-off-card; + keep-power-in-suspend; + pinctrl-names = "default"; + pinctrl-0 = <&mmc3_pins &wl18xx_pins>; + + #address-cells = <1>; + #size-cells = <0>; + wlcore: wlcore@2 { + compatible = "ti,wl1835"; + reg = <2>; + interrupt-parent = <&gpio0>; + interrupts = <29 IRQ_TYPE_EDGE_RISING>; + }; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_grove_pins>; + status = "okay"; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pins &bt_pins>; + status = "okay"; + + bluetooth { + compatible = "ti,wl1835-st"; + enable-gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>; + }; +}; + +&i2c0 { + extrtc: rtc@68 { + compatible = "dallas,ds1340"; + reg = <0x68>; + }; +}; + +// (K16) gmii1_txd1.gpio0[21] +&gpio0 { + usb-reset-hog { + gpio-hog; + gpios = <21 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "usb_reset"; + }; +}; + +&gpio3 { + ls-buf-en-hog { + gpio-hog; + gpios = <10 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "LS_BUF_EN"; + }; +}; + +&usb1 { + #address-cells = <1>; + #size-cells = <0>; + + hub@1 { + compatible = "usb424,9512"; + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + ethernet: ethernet@1 { + compatible = "usb424,ec00"; + reg = <1>; + }; + }; +}; diff --git a/arch/arm/boot/dts/am335x-bonegreen-wireless.dts b/arch/arm/boot/dts/am335x-bonegreen-wireless.dts index 7615327..6fccd47 100644 --- a/arch/arm/boot/dts/am335x-bonegreen-wireless.dts +++ b/arch/arm/boot/dts/am335x-bonegreen-wireless.dts @@ -13,6 +13,11 @@ model = "TI AM335x BeagleBone Green Wireless"; compatible = "ti,am335x-bone-green-wireless", "ti,am335x-bone-green", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; + chosen { + base_dtb = "am335x-bonegreen-wireless.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; + wlan_en_reg: fixedregulator@2 { compatible = "regulator-fixed"; regulator-name = "wlan-en-regulator"; @@ -101,7 +106,7 @@ }; &gpio1 { - ls_buf_en { + ls-buf-en-hog { gpio-hog; gpios = <29 GPIO_ACTIVE_HIGH>; output-high; @@ -118,7 +123,7 @@ /* an external pulldown on U21 pin 4. */ &gpio3 { - bt_aud_in { + bt-aud-in-hog { gpio-hog; gpios = <16 GPIO_ACTIVE_HIGH>; output-low; diff --git a/arch/arm/boot/dts/am335x-bonegreen.dts b/arch/arm/boot/dts/am335x-bonegreen.dts index 18cc0f4..62ca9c8 100644 --- a/arch/arm/boot/dts/am335x-bonegreen.dts +++ b/arch/arm/boot/dts/am335x-bonegreen.dts @@ -11,4 +11,9 @@ / { model = "TI AM335x BeagleBone Green"; compatible = "ti,am335x-bone-green", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; + + chosen { + base_dtb = "am335x-bonegreen.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; }; diff --git a/arch/arm/boot/dts/am335x-nano.dts b/arch/arm/boot/dts/am335x-nano.dts index 0946fbf..0dbc72d 100644 --- a/arch/arm/boot/dts/am335x-nano.dts +++ b/arch/arm/boot/dts/am335x-nano.dts @@ -238,7 +238,6 @@ &gpmc { compatible = "ti,am3352-gpmc"; - ti,hwmods = "gpmc"; status = "okay"; gpmc,num-waitpins = <2>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/am335x-osd3358-sm-red.dts b/arch/arm/boot/dts/am335x-osd3358-sm-red.dts index f841afb..56a0dfb 100644 --- a/arch/arm/boot/dts/am335x-osd3358-sm-red.dts +++ b/arch/arm/boot/dts/am335x-osd3358-sm-red.dts @@ -10,13 +10,16 @@ #include "am33xx.dtsi" #include "am335x-osd335x-common.dtsi" -#include - -#include +#include "am335x-boneblack-hdmi.dtsi" / { model = "Octavo Systems OSD3358-SM-RED"; compatible = "oct,osd3358-sm-refdesign", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; + + chosen { + base_dtb = "am335x-osd3358-sm-red.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; }; &ldo3_reg { @@ -25,10 +28,6 @@ regulator-always-on; }; -&mmc1 { - vmmc-supply = <&vmmcsd_fixed>; -}; - &mmc2 { vmmc-supply = <&vmmcsd_fixed>; pinctrl-names = "default"; @@ -37,110 +36,7 @@ status = "okay"; }; -&am33xx_pinmux { - nxp_hdmi_bonelt_pins: nxp-hdmi-bonelt-pins { - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - >; - }; - - nxp_hdmi_bonelt_off_pins: nxp-hdmi-bonelt-off-pins { - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_OUTPUT_PULLDOWN, MUX_MODE3) - >; - }; - - mcasp0_pins: mcasp0-pins { - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLUP, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKR, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/ - AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_OUTPUT_PULLUP, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_OUTPUT_PULLDOWN, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gpmc_a11.GPIO1_27 */ - >; - }; - - flash_enable: flash-enable { - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* rmii1_ref_clk.gpio0_29 */ - >; - }; - - imu_interrupt: imu-interrupt { - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLDOWN, MUX_MODE7) /* mii1_rx_er.gpio3_2 */ - >; - }; - - ethernet_interrupt: ethernet-interrupt{ - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLDOWN, MUX_MODE7) /* mii1_col.gpio3_0 */ - >; - }; -}; - -&lcdc { - status = "okay"; - - /* If you want to get 24 bit RGB and 16 BGR mode instead of - * current 16 bit RGB and 24 BGR modes, set the propety - * below to "crossed" and uncomment the video-ports -property - * in tda19988 node. - * AM335x errata for wiring: - * https://www.ti.com/lit/er/sprz360i/sprz360i.pdf - */ - - blue-and-red-wiring = "straight"; - - port { - lcdc_0: endpoint { - remote-endpoint = <&hdmi_0>; - }; - }; -}; - &i2c0 { - tda19988: hdmi-encoder@70 { - compatible = "nxp,tda998x"; - reg = <0x70>; - - pinctrl-names = "default", "off"; - pinctrl-0 = <&nxp_hdmi_bonelt_pins>; - pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>; - - /* Convert 24bit BGR to RGB, e.g. cross red and blue wiring */ - /* video-ports = <0x234501>; */ - - #sound-dai-cells = <0>; - audio-ports = < TDA998x_I2S 0x03>; - - port { - hdmi_0: endpoint { - remote-endpoint = <&lcdc_0>; - }; - }; - }; - mpu9250: imu@68 { compatible = "invensense,mpu6050"; reg = <0x68>; @@ -167,55 +63,7 @@ }; }; -&rtc { - system-power-controller; -}; - -&mcasp0 { - #sound-dai-cells = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&mcasp0_pins>; - status = "okay"; - op-mode = <0>; /* MCASP_IIS_MODE */ - tdm-slots = <2>; - serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ - 0 0 1 0 - >; - tx-num-evt = <32>; - rx-num-evt = <32>; -}; - / { - clk_mcasp0_fixed: clk-mcasp0-fixed { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <24576000>; - }; - - clk_mcasp0: clk-mcasp0 { - #clock-cells = <0>; - compatible = "gpio-gate-clock"; - clocks = <&clk_mcasp0_fixed>; - enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */ - }; - - sound { - compatible = "simple-audio-card"; - simple-audio-card,name = "TI BeagleBone Black"; - simple-audio-card,format = "i2s"; - simple-audio-card,bitclock-master = <&dailink0_master>; - simple-audio-card,frame-master = <&dailink0_master>; - - dailink0_master: simple-audio-card,cpu { - sound-dai = <&mcasp0>; - clocks = <&clk_mcasp0>; - }; - - simple-audio-card,codec { - sound-dai = <&tda19988>; - }; - }; - chosen { stdout-path = &uart0; }; @@ -267,6 +115,24 @@ pinctrl-names = "default"; pinctrl-0 = <&clkout2_pin>; + flash_enable: flash-enable { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* rmii1_ref_clk.gpio0_29 */ + >; + }; + + imu_interrupt: imu-interrupt { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLDOWN, MUX_MODE7) /* mii1_rx_er.gpio3_2 */ + >; + }; + + ethernet_interrupt: ethernet-interrupt{ + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLDOWN, MUX_MODE7) /* mii1_col.gpio3_0 */ + >; + }; + user_leds_s0: user-leds-s0 { pinctrl-single,pins = < AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gpmc_a5.gpio1_21 */ @@ -382,6 +248,7 @@ pinctrl-0 = <&uart0_pins>; status = "okay"; + symlink = "bone/uart/0"; }; &usb0 { @@ -399,6 +266,7 @@ pinctrl-0 = <&i2c2_pins>; status = "okay"; clock-frequency = <100000>; + symlink = "bone/i2c/2"; }; &cpsw_emac0 { @@ -427,6 +295,7 @@ &mmc1 { status = "okay"; + vmmc-supply = <&vmmcsd_fixed>; bus-width = <0x4>; pinctrl-names = "default"; pinctrl-0 = <&mmc1_pins>; @@ -434,6 +303,7 @@ }; &rtc { + system-power-controller; clocks = <&clk_32768_ck>, <&clk_24mhz_clkctrl AM3_CLK_24MHZ_CLKDIV32K_CLKCTRL 0>; clock-names = "ext-clk", "int-clk"; }; diff --git a/arch/arm/boot/dts/am335x-osd335x-common.dtsi b/arch/arm/boot/dts/am335x-osd335x-common.dtsi index 2888b15..49ba87e 100644 --- a/arch/arm/boot/dts/am335x-osd335x-common.dtsi +++ b/arch/arm/boot/dts/am335x-osd335x-common.dtsi @@ -48,6 +48,7 @@ status = "okay"; clock-frequency = <400000>; + symlink = "bone/i2c/0"; tps: tps@24 { reg = <0x24>; diff --git a/arch/arm/boot/dts/am335x-pocketbeagle.dts b/arch/arm/boot/dts/am335x-pocketbeagle.dts index d526c59..affd268 100644 --- a/arch/arm/boot/dts/am335x-pocketbeagle.dts +++ b/arch/arm/boot/dts/am335x-pocketbeagle.dts @@ -15,6 +15,8 @@ chosen { stdout-path = &uart0; + base_dtb = "am335x-pocketbeagle.dts"; + base_dtb_timestamp = __TIMESTAMP__; }; leds { @@ -61,51 +63,51 @@ &gpio0 { gpio-line-names = - "[NC]", - "[NC]", + "NC", + "NC", "P1.08 [SPI0_CLK]", "P1.10 [SPI0_MISO]", "P1.12 [SPI0_MOSI]", "P1.06 [SPI0_CS]", "[MMC0_CD]", "P2.29 [SPI1_CLK]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", + "[SYSBOOT 12]", + "[SYSBOOT 13]", + "[SYSBOOT 14]", + "[SYSBOOT 15]", "P1.26 [I2C2_SDA]", "P1.28 [I2C2_SCL]", "P2.11 [I2C1_SDA]", "P2.09 [I2C1_SCL]", - "[NC]", - "[NC]", - "[NC]", + "NC", + "NC", + "NC", "P2.31 [SPI1_CS]", "P1.20 [PRU0.16]", - "[NC]", - "[NC]", + "NC", + "NC", "P2.03", - "[NC]", - "[NC]", + "NC", + "NC", "P1.34", "P2.19", - "[NC]", - "[NC]", + "NC", + "NC", "P2.05 [UART4_RX]", "P2.07 [UART4_TX]"; }; &gpio1 { gpio-line-names = - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", "P2.25 [SPI1_MOSI]", "P1.32 [UART0_RX]", "P1.30 [UART0_TX]", @@ -113,10 +115,10 @@ "P2.33", "P2.22", "P2.18", - "[NC]", - "[NC]", + "NC", + "NC", "P2.01 [PWM1A]", - "[NC]", + "NC", "P2.10", "[USR LED 0]", "[USR LED 1]", @@ -126,35 +128,35 @@ "P2.04", "P2.02", "P2.08", - "[NC]", - "[NC]", - "[NC]"; + "NC", + "NC", + "NC"; }; &gpio2 { gpio-line-names = "P2.20", "P2.17", - "[NC]", - "[NC]", - "[NC]", + "NC", + "NC", + "NC", "[EEPROM_WP]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[SYSBOOT]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", + "[SYSBOOT 0]", + "[SYSBOOT 1]", + "[SYSBOOT 2]", + "[SYSBOOT 3]", + "[SYSBOOT 4]", + "[SYSBOOT 5]", + "[SYSBOOT 6]", + "[SYSBOOT 7]", + "[SYSBOOT 8]", + "[SYSBOOT 9]", + "[SYSBOOT 10]", + "[SYSBOOT 11]", + "NC", + "NC", + "NC", + "NC", "P2.35 [AIN5]", "P1.02 [AIN6]", "P1.35 [PRU1.10]", @@ -169,19 +171,19 @@ &gpio3 { gpio-line-names = - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", + "NC", + "NC", + "NC", + "NC", + "NC", "[I2C0_SDA]", "[I2C0_SCL]", - "[JTAG]", - "[JTAG]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", + "[JTAG EMU0]", + "[JTAG EMU1]", + "NC", + "NC", + "NC", + "NC", "P1.03 [USB1]", "P1.36 [PWM0A]", "P1.33 [PRU0.1]", @@ -191,16 +193,16 @@ "P2.34 [PRU0.5]", "P2.28 [PRU0.6]", "P1.29 [PRU0.7]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]", - "[NC]"; + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC", + "NC"; }; &am33xx_pinmux { diff --git b/arch/arm/boot/dts/am335x-sancloud-bbe-common.dtsi b/arch/arm/boot/dts/am335x-sancloud-bbe-common.dtsi new file mode 100644 index 0000000..bd9c218 --- /dev/null +++ b/arch/arm/boot/dts/am335x-sancloud-bbe-common.dtsi @@ -0,0 +1,96 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ + +&am33xx_pinmux { + cpsw_default: cpsw_default { + pinctrl-single,pins = < + /* Slave 1 */ + AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txen.rgmii1_tctl */ + AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxdv.rgmii1_rctl */ + AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd3.rgmii1_td3 */ + AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd2.rgmii1_td2 */ + AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd1.rgmii1_td1 */ + AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd0.rgmii1_td0 */ + AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txclk.rgmii1_tclk */ + AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxclk.rgmii1_rclk */ + AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxd3.rgmii1_rd3 */ + AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxd2.rgmii1_rd2 */ + AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxd1.rgmii1_rd1 */ + AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxd0.rgmii1_rd0 */ + >; + }; + + cpsw_sleep: cpsw_sleep { + pinctrl-single,pins = < + /* Slave 1 reset value */ + AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE7) + >; + }; + + davinci_mdio_default: davinci_mdio_default { + pinctrl-single,pins = < + /* MDIO */ + AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0) + >; + }; + + davinci_mdio_sleep: davinci_mdio_sleep { + pinctrl-single,pins = < + /* MDIO reset value */ + AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7) + AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7) + >; + }; + + usb_hub_ctrl: usb_hub_ctrl { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_OUTPUT_PULLUP, MUX_MODE7) /* rmii1_refclk.gpio0_29 */ + >; + }; +}; + +&mac { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&cpsw_default>; + pinctrl-1 = <&cpsw_sleep>; + status = "okay"; +}; + +&davinci_mdio { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&davinci_mdio_default>; + pinctrl-1 = <&davinci_mdio_sleep>; + status = "okay"; + + ethphy0: ethernet-phy@0 { + reg = <0>; + }; +}; + +&cpsw_emac0 { + phy-handle = <ðphy0>; + phy-mode = "rgmii-id"; +}; + +&i2c0 { + usb2512b: usb-hub@2c { + compatible = "microchip,usb2512b"; + reg = <0x2c>; + reset-gpios = <&gpio0 29 GPIO_ACTIVE_LOW>; + /* wifi on port 4 */ + }; +}; diff --git b/arch/arm/boot/dts/am335x-sancloud-bbe-lite.dts b/arch/arm/boot/dts/am335x-sancloud-bbe-lite.dts new file mode 100644 index 0000000..4ad6467 --- /dev/null +++ b/arch/arm/boot/dts/am335x-sancloud-bbe-lite.dts @@ -0,0 +1,57 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2021 SanCloud Ltd + */ +/dts-v1/; + +#include "am33xx.dtsi" +#include "am335x-bone-common.dtsi" +#include "am335x-boneblack-common.dtsi" +#include "am335x-sancloud-bbe-common.dtsi" + +/ { + model = "SanCloud BeagleBone Enhanced Lite"; + compatible = "sancloud,am335x-boneenhanced", + "ti,am335x-bone-black", + "ti,am335x-bone", + "ti,am33xx"; + + + chosen { + base_dtb = "am335x-sancloud-bbe-lite.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; +}; + +&am33xx_pinmux { + bb_spi0_pins: pinmux_bb_spi0_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT, MUX_MODE0) + AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT, MUX_MODE0) + >; + }; +}; + +&spi0 { + #address-cells = <1>; + #size-cells = <0>; + + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&bb_spi0_pins>; + + channel@0 { + #address-cells = <1>; + #size-cells = <0>; + + compatible = "micron,spi-authenta"; + symlink = "bone/spi/0.0"; + + reg = <0>; + spi-max-frequency = <16000000>; + spi-cpha; + }; +}; diff --git a/arch/arm/boot/dts/am335x-sancloud-bbe.dts b/arch/arm/boot/dts/am335x-sancloud-bbe.dts index 275ba33..a0f3ccf 100644 --- a/arch/arm/boot/dts/am335x-sancloud-bbe.dts +++ b/arch/arm/boot/dts/am335x-sancloud-bbe.dts @@ -7,74 +7,21 @@ #include "am33xx.dtsi" #include "am335x-bone-common.dtsi" #include "am335x-boneblack-common.dtsi" +#include "am335x-boneblack-hdmi.dtsi" +#include "am335x-sancloud-bbe-common.dtsi" #include / { model = "SanCloud BeagleBone Enhanced"; compatible = "sancloud,am335x-boneenhanced", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; -}; - -&am33xx_pinmux { - pinctrl-names = "default"; - cpsw_default: cpsw_default { - pinctrl-single,pins = < - /* Slave 1 */ - AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txen.rgmii1_tctl */ - AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxdv.rgmii1_rctl */ - AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd3.rgmii1_td3 */ - AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd2.rgmii1_td2 */ - AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd1.rgmii1_td1 */ - AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txd0.rgmii1_td0 */ - AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE2) /* mii1_txclk.rgmii1_tclk */ - AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxclk.rgmii1_rclk */ - AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxd3.rgmii1_rd3 */ - AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxd2.rgmii1_rd2 */ - AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxd1.rgmii1_rd1 */ - AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE2) /* mii1_rxd0.rgmii1_rd0 */ - >; - }; - - cpsw_sleep: cpsw_sleep { - pinctrl-single,pins = < - /* Slave 1 reset value */ - AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE7) - >; - }; - - davinci_mdio_default: davinci_mdio_default { - pinctrl-single,pins = < - /* MDIO */ - AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0) - AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0) - >; - }; - - davinci_mdio_sleep: davinci_mdio_sleep { - pinctrl-single,pins = < - /* MDIO reset value */ - AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7) - AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7) - >; - }; - - usb_hub_ctrl: usb_hub_ctrl { - pinctrl-single,pins = < - AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_OUTPUT_PULLUP, MUX_MODE7) /* rmii1_refclk.gpio0_29 */ - >; + chosen { + base_dtb = "am335x-sancloud-bbe.dts"; + base_dtb_timestamp = __TIMESTAMP__; }; +}; +&am33xx_pinmux { mpu6050_pins: pinmux_mpu6050_pins { pinctrl-single,pins = < AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT, MUX_MODE7) /* uart0_ctsn.gpio1_8 */ @@ -88,29 +35,6 @@ }; }; -&mac { - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&cpsw_default>; - pinctrl-1 = <&cpsw_sleep>; - status = "okay"; -}; - -&davinci_mdio { - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&davinci_mdio_default>; - pinctrl-1 = <&davinci_mdio_sleep>; - status = "okay"; - - ethphy0: ethernet-phy@0 { - reg = <0>; - }; -}; - -&cpsw_emac0 { - phy-handle = <ðphy0>; - phy-mode = "rgmii-id"; -}; - &i2c0 { lps331ap: barometer@5c { compatible = "st,lps331ap-press"; @@ -127,11 +51,4 @@ interrupts = <2 IRQ_TYPE_EDGE_RISING>; orientation = <0xff 0 0 0 1 0 0 0 0xff>; }; - - usb2512b: usb-hub@2c { - compatible = "microchip,usb2512b"; - reg = <0x2c>; - reset-gpios = <&gpio0 29 GPIO_ACTIVE_LOW>; - /* wifi on port 4 */ - }; }; diff --git a/arch/arm/boot/dts/am33xx-l4.dtsi b/arch/arm/boot/dts/am33xx-l4.dtsi index ea20e4b..07c51c1 100644 --- a/arch/arm/boot/dts/am33xx-l4.dtsi +++ b/arch/arm/boot/dts/am33xx-l4.dtsi @@ -1,5 +1,8 @@ &l4_wkup { /* 0x44c00000 */ - compatible = "ti,am33xx-l4-wkup", "simple-bus"; + compatible = "ti,am33xx-l4-wkup", "simple-pm-bus"; + power-domains = <&prm_wkup>; + clocks = <&l4_wkup_clkctrl AM3_L4_WKUP_L4_WKUP_CLKCTRL 0>; + clock-names = "fck"; reg = <0x44c00000 0x800>, <0x44c00800 0x800>, <0x44c01000 0x400>, @@ -12,7 +15,7 @@ <0x00200000 0x44e00000 0x100000>; /* segment 2 */ segment@0 { /* 0x44c00000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00000000 0x000800>, /* ap 0 */ @@ -22,7 +25,7 @@ }; segment@100000 { /* 0x44d00000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00100000 0x004000>, /* ap 4 */ @@ -34,23 +37,27 @@ compatible = "ti,sysc-omap4", "ti,sysc"; reg = <0x0 0x4>; reg-names = "rev"; + clocks = <&l4_wkup_aon_clkctrl AM3_L4_WKUP_AON_WKUP_M3_CLKCTRL 0>; + clock-names = "fck"; #address-cells = <1>; #size-cells = <1>; - ranges = <0x0 0x0 0x4000>; - status = "disabled"; - }; + ranges = <0x00000000 0x00000000 0x4000>, + <0x00080000 0x00080000 0x2000>; - target-module@80000 { /* 0x44d80000, ap 6 10.0 */ - compatible = "ti,sysc"; - status = "disabled"; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0x0 0x80000 0x2000>; + wkup_m3: cpu@0 { + compatible = "ti,am3352-wkup-m3"; + reg = <0x00000000 0x4000>, + <0x00080000 0x2000>; + reg-names = "umem", "dmem"; + resets = <&prm_wkup 3>; + reset-names = "rstctrl"; + ti,pm-firmware = "/*(DEBLOBBED)*/"; + }; }; }; segment@200000 { /* 0x44e00000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00200000 0x002000>, /* ap 8 */ @@ -252,28 +259,31 @@ ranges = <0x00000000 0x0000d000 0x00001000>, <0x00001000 0x0000e000 0x00001000>; - tscadc: tscadc@0 { - compatible = "ti,am3359-tscadc"; - reg = <0x0 0x1000>; - interrupts = <16>; - status = "disabled"; - dmas = <&edma 53 0>, <&edma 57 0>; - dma-names = "fifo0", "fifo1"; + tscadc: tscadc@0 { + compatible = "ti,am3359-tscadc"; + reg = <0x0 0x1000>; + interrupts = <16>; + status = "disabled"; + dmas = <&edma 53 0>, <&edma 57 0>; + dma-names = "fifo0", "fifo1"; - tsc { - compatible = "ti,am3359-tsc"; - }; - am335x_adc: adc { - #io-channel-cells = <1>; - compatible = "ti,am3359-adc"; - }; + tsc { + compatible = "ti,am3359-tsc"; + }; + am335x_adc: adc { + #io-channel-cells = <1>; + compatible = "ti,am3359-adc"; }; + }; }; target-module@10000 { /* 0x44e10000, ap 22 0c.0 */ compatible = "ti,sysc-omap4", "ti,sysc"; reg = <0x10000 0x4>; reg-names = "rev"; + clocks = <&l4_wkup_clkctrl AM3_L4_WKUP_CONTROL_CLKCTRL 0>; + clock-names = "fck"; + ti,no-idle; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00010000 0x00010000>, @@ -433,6 +443,7 @@ , ; /* Domains (P, C): rtc_pwrdm, l4_rtc_clkdm */ + power-domains = <&prm_rtc>; clocks = <&l4_rtc_clkctrl AM3_L4_RTC_RTC_CLKCTRL 0>; clock-names = "fck"; #address-cells = <1>; @@ -658,7 +669,10 @@ }; &l4_fast { /* 0x4a000000 */ - compatible = "ti,am33xx-l4-fast", "simple-bus"; + compatible = "ti,am33xx-l4-fast", "simple-pm-bus"; + power-domains = <&prm_per>; + clocks = <&l4hs_clkctrl AM3_L4HS_L4_HS_CLKCTRL 0>; + clock-names = "fck"; reg = <0x4a000000 0x800>, <0x4a000800 0x800>, <0x4a001000 0x400>; @@ -668,7 +682,7 @@ ranges = <0x00000000 0x4a000000 0x1000000>; /* segment 0 */ segment@0 { /* 0x4a000000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00000000 0x000800>, /* ap 0 */ @@ -789,7 +803,89 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x300000 0x80000>; - status = "disabled"; + status = "okay"; + + pruss: pruss@0 { + compatible = "ti,am3356-pruss"; + reg = <0x0 0x80000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + pruss_mem: memories@0 { + reg = <0x0 0x2000>, + <0x2000 0x2000>, + <0x10000 0x3000>; + reg-names = "dram0", "dram1", + "shrdram2"; + }; + + pruss_cfg: cfg@26000 { + compatible = "ti,pruss-cfg", "syscon"; + reg = <0x26000 0x2000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x26000 0x2000>; + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + pruss_iepclk_mux: iepclk-mux@30 { + reg = <0x30>; + #clock-cells = <0>; + clocks = <&l3_gclk>, /* icss_iep_gclk */ + <&pruss_ocp_gclk>; /* icss_ocp_gclk */ + }; + }; + }; + + pruss_mii_rt: mii-rt@32000 { + compatible = "ti,pruss-mii", "syscon"; + reg = <0x32000 0x58>; + }; + + pruss_intc: interrupt-controller@20000 { + compatible = "ti,pruss-intc"; + reg = <0x20000 0x2000>; + interrupts = <20 21 22 23 24 25 26 27>; + interrupt-names = "host_intr0", "host_intr1", + "host_intr2", "host_intr3", + "host_intr4", "host_intr5", + "host_intr6", "host_intr7"; + interrupt-controller; + #interrupt-cells = <3>; + }; + + pru0: pru@34000 { + compatible = "ti,am3356-pru"; + reg = <0x34000 0x2000>, + <0x22000 0x400>, + <0x22400 0x100>; + reg-names = "iram", "control", "debug"; + firmware-name = "am335x-pru0-fw"; + }; + + pru1: pru@38000 { + compatible = "ti,am3356-pru"; + reg = <0x38000 0x2000>, + <0x24000 0x400>, + <0x24400 0x100>; + reg-names = "iram", "control", "debug"; + firmware-name = "am335x-pru1-fw"; + }; + + pruss_mdio: mdio@32400 { + compatible = "ti,davinci_mdio"; + reg = <0x32400 0x90>; + clocks = <&dpll_core_m4_ck>; + clock-names = "fck"; + bus_freq = <1000000>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + }; }; }; }; @@ -837,7 +933,10 @@ }; &l4_per { /* 0x48000000 */ - compatible = "ti,am33xx-l4-per", "simple-bus"; + compatible = "ti,am33xx-l4-per", "simple-pm-bus"; + power-domains = <&prm_per>; + clocks = <&l4ls_clkctrl AM3_L4LS_L4_LS_CLKCTRL 0>; + clock-names = "fck"; reg = <0x48000000 0x800>, <0x48000800 0x800>, <0x48001000 0x400>, @@ -855,7 +954,7 @@ <0x46400000 0x46400000 0x400000>; /* l3 data port */ segment@0 { /* 0x48000000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00000000 0x000800>, /* ap 0 */ @@ -1466,7 +1565,7 @@ }; segment@100000 { /* 0x48100000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x0008c000 0x0018c000 0x001000>, /* ap 42 */ @@ -1723,7 +1822,7 @@ }; }; - target-module@ae000 { /* 0x481ae000, ap 56 3a.0 */ + gpio3_target: target-module@ae000 { /* 0x481ae000, ap 56 3a.0 */ compatible = "ti,sysc-omap2", "ti,sysc"; reg = <0xae000 0x4>, <0xae010 0x4>, @@ -1850,13 +1949,31 @@ }; segment@200000 { /* 0x48200000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; + ranges = <0x00000000 0x00200000 0x010000>; + + target-module@0 { + compatible = "ti,sysc-omap4-simple", "ti,sysc"; + power-domains = <&prm_mpu>; + clocks = <&mpu_clkctrl AM3_MPU_MPU_CLKCTRL 0>; + clock-names = "fck"; + ti,no-idle; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0x10000>; + + mpu@0 { + compatible = "ti,omap3-mpu"; + pm-sram = <&pm_sram_code + &pm_sram_data>; + }; + }; }; segment@300000 { /* 0x48300000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00300000 0x001000>, /* ap 66 */ @@ -1923,6 +2040,15 @@ status = "disabled"; }; + eqep0: counter@180 { + compatible = "ti,am3352-eqep"; + reg = <0x180 0x80>; + clocks = <&l4ls_gclk>; + clock-names = "sysclkout"; + interrupts = <79>; + status = "disabled"; + }; + ehrpwm0: pwm@200 { compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; @@ -1975,6 +2101,15 @@ status = "disabled"; }; + eqep1: counter@180 { + compatible = "ti,am3352-eqep"; + reg = <0x180 0x80>; + clocks = <&l4ls_gclk>; + clock-names = "sysclkout"; + interrupts = <88>; + status = "disabled"; + }; + ehrpwm1: pwm@200 { compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; @@ -2027,6 +2162,15 @@ status = "disabled"; }; + eqep2: counter@180 { + compatible = "ti,am3352-eqep"; + reg = <0x180 0x80>; + clocks = <&l4ls_gclk>; + clock-names = "sysclkout"; + interrupts = <89>; + status = "disabled"; + }; + ehrpwm2: pwm@200 { compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index e14dcb4..7f9f486 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -147,11 +147,28 @@ }; }; - pmu@4b000000 { - compatible = "arm,cortex-a8-pmu"; - interrupts = <3>; - reg = <0x4b000000 0x1000000>; - ti,hwmods = "debugss"; + target-module@4b000000 { + compatible = "ti,sysc-omap4-simple", "ti,sysc"; + clocks = <&l3_clkctrl AM3_L3_L3_INSTR_CLKCTRL 0>; + clock-names = "fck"; + ti,no-idle; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x4b000000 0x1000000>; + + target-module@140000 { + compatible = "ti,sysc-omap4-simple", "ti,sysc"; + clocks = <&l3_aon_clkctrl AM3_L3_AON_DEBUGSS_CLKCTRL 0>; + clock-names = "fck"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x140000 0xec0000>; + + pmu@0 { + compatible = "arm,cortex-a8-pmu"; + interrupts = <3>; + }; + }; }; /* @@ -160,12 +177,6 @@ */ soc { compatible = "ti,omap-infra"; - mpu { - compatible = "ti,omap3-mpu"; - ti,hwmods = "mpu"; - pm-sram = <&pm_sram_code - &pm_sram_data>; - }; }; /* @@ -176,21 +187,15 @@ * the whole bus hierarchy. */ ocp: ocp { - compatible = "simple-bus"; + compatible = "simple-pm-bus"; + power-domains = <&prm_per>; + clocks = <&l3_clkctrl AM3_L3_L3_MAIN_CLKCTRL 0>; + clock-names = "fck"; #address-cells = <1>; #size-cells = <1>; ranges; - ti,hwmods = "l3_main"; l4_wkup: interconnect@44c00000 { - wkup_m3: wkup_m3@100000 { - compatible = "ti,am3352-wkup-m3"; - reg = <0x100000 0x4000>, - <0x180000 0x2000>; - reg-names = "umem", "dmem"; - ti,hwmods = "wkup_m3"; - ti,pm-firmware = "/*(DEBLOBBED)*/"; - }; }; l4_per: interconnect@48000000 { }; @@ -461,53 +466,89 @@ }; }; - ocmcram: sram@40300000 { - compatible = "mmio-sram"; - reg = <0x40300000 0x10000>; /* 64k */ - ranges = <0x0 0x40300000 0x10000>; + target-module@40300000 { + compatible = "ti,sysc-omap4-simple", "ti,sysc"; + clocks = <&l3_clkctrl AM3_L3_OCMCRAM_CLKCTRL 0>; + clock-names = "fck"; + ti,no-idle; #address-cells = <1>; #size-cells = <1>; - - pm_sram_code: pm-code-sram@0 { - compatible = "ti,sram"; - reg = <0x0 0x1000>; - protect-exec; - }; - - pm_sram_data: pm-data-sram@1000 { - compatible = "ti,sram"; - reg = <0x1000 0x1000>; - pool; + ranges = <0 0x40300000 0x10000>; + + ocmcram: sram@0 { + compatible = "mmio-sram"; + reg = <0 0x10000>; /* 64k */ + ranges = <0 0 0x10000>; + #address-cells = <1>; + #size-cells = <1>; + + pm_sram_code: pm-code-sram@0 { + compatible = "ti,sram"; + reg = <0x0 0x1000>; + protect-exec; + }; + + pm_sram_data: pm-data-sram@1000 { + compatible = "ti,sram"; + reg = <0x1000 0x1000>; + pool; + }; }; }; - emif: emif@4c000000 { - compatible = "ti,emif-am3352"; - reg = <0x4c000000 0x1000000>; - ti,hwmods = "emif"; - interrupts = <101>; - sram = <&pm_sram_code - &pm_sram_data>; + target-module@4c000000 { + compatible = "ti,sysc-omap4-simple", "ti,sysc"; + reg = <0x4c000000 0x4>; + reg-names = "rev"; + clocks = <&l3_clkctrl AM3_L3_EMIF_CLKCTRL 0>; + clock-names = "fck"; ti,no-idle; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x4c000000 0x1000000>; + + emif: emif@0 { + compatible = "ti,emif-am3352"; + reg = <0 0x1000000>; + interrupts = <101>; + sram = <&pm_sram_code + &pm_sram_data>; + }; }; - gpmc: gpmc@50000000 { - compatible = "ti,am3352-gpmc"; - ti,hwmods = "gpmc"; - ti,no-idle-on-init; - reg = <0x50000000 0x2000>; - interrupts = <100>; - dmas = <&edma 52 0>; - dma-names = "rxtx"; - gpmc,num-cs = <7>; - gpmc,num-waitpins = <2>; - #address-cells = <2>; + target-module@50000000 { + compatible = "ti,sysc-omap2", "ti,sysc"; + reg = <0x50000000 4>, + <0x50000010 4>, + <0x50000014 4>; + reg-names = "rev", "sysc", "syss"; + ti,sysc-sidle = , + , + ; + ti,syss-mask = <1>; + clocks = <&l3s_clkctrl AM3_L3S_GPMC_CLKCTRL 0>; + clock-names = "fck"; + #address-cells = <1>; #size-cells = <1>; - interrupt-controller; - #interrupt-cells = <2>; - gpio-controller; - #gpio-cells = <2>; - status = "disabled"; + ranges = <0x50000000 0x50000000 0x00001000>, /* regs */ + <0x00000000 0x00000000 0x40000000>; /* data */ + + gpmc: gpmc@50000000 { + compatible = "ti,am3352-gpmc"; + reg = <0x50000000 0x2000>; + interrupts = <100>; + dmas = <&edma 52 0>; + dma-names = "rxtx"; + gpmc,num-cs = <7>; + gpmc,num-waitpins = <2>; + #address-cells = <2>; + #size-cells = <1>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + status = "disabled"; + }; }; sham_target: target-module@53100000 { @@ -592,6 +633,13 @@ * Closed source PowerVR driver, no child device * binding or driver in mainline */ + gpu: gpu@0 { + compatible = "ti,am3352-sgx530", "img,sgx530"; + reg = <0x0 0x10000>; + interrupts = <37>; + clocks = <&gfx_fck_div_ck>; + clock-names = "fclk"; + }; }; }; }; @@ -604,12 +652,20 @@ compatible = "ti,am3-prm-inst", "ti,omap-prm-inst"; reg = <0xc00 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; }; prm_wkup: prm@d00 { compatible = "ti,am3-prm-inst", "ti,omap-prm-inst"; reg = <0xd00 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; + }; + + prm_mpu: prm@e00 { + compatible = "ti,am3-prm-inst", "ti,omap-prm-inst"; + reg = <0xe00 0x100>; + #power-domain-cells = <0>; }; prm_device: prm@f00 { @@ -618,16 +674,31 @@ #reset-cells = <1>; }; + prm_rtc: prm@1000 { + compatible = "ti,am3-prm-inst", "ti,omap-prm-inst"; + reg = <0x1000 0x100>; + #power-domain-cells = <0>; + }; + prm_gfx: prm@1100 { compatible = "ti,am3-prm-inst", "ti,omap-prm-inst"; reg = <0x1100 0x100>; #power-domain-cells = <0>; #reset-cells = <1>; }; + + prm_cefuse: prm@1200 { + compatible = "ti,am3-prm-inst", "ti,omap-prm-inst"; + reg = <0x1200 0x100>; + #power-domain-cells = <0>; + }; }; /* Preferred always-on timer for clocksource */ &timer1_target { + clocks = <&l4_wkup_clkctrl AM3_L4_WKUP_TIMER1_CLKCTRL 0>, + <&l4_wkup_clkctrl AM3_L4_WKUP_L4_WKUP_CLKCTRL 0>; + clock-names = "fck", "ick"; ti,no-reset-on-init; ti,no-idle; timer@0 { @@ -638,6 +709,9 @@ /* Preferred timer for clockevent */ &timer2_target { + clocks = <&l4ls_clkctrl AM3_L4LS_TIMER2_CLKCTRL 0>, + <&l4ls_clkctrl AM3_L4LS_L4_LS_CLKCTRL 0>; + clock-names = "fck", "ick"; ti,no-reset-on-init; ti,no-idle; timer@0 { diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index fe4f0e9..57a85a6 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -107,12 +107,6 @@ soc { compatible = "ti,omap-infra"; - mpu { - compatible = "ti,omap4-mpu"; - ti,hwmods = "mpu"; - pm-sram = <&pm_sram_code - &pm_sram_data>; - }; }; gic: interrupt-controller@48241000 { @@ -161,40 +155,48 @@ }; ocp@44000000 { - compatible = "ti,am4372-l3-noc", "simple-bus"; + compatible = "simple-pm-bus"; + power-domains = <&prm_per>; + clocks = <&l3_clkctrl AM4_L3_L3_MAIN_CLKCTRL 0>; + clock-names = "fck"; #address-cells = <1>; #size-cells = <1>; ranges; - ti,hwmods = "l3_main"; ti,no-idle; - reg = <0x44000000 0x400000 - 0x44800000 0x400000>; - interrupts = , - ; + + l3-noc@44000000 { + compatible = "ti,am4372-l3-noc"; + reg = <0x44000000 0x400000>, + <0x44800000 0x400000>; + interrupts = , + ; + }; l4_wkup: interconnect@44c00000 { - wkup_m3: wkup_m3@100000 { - compatible = "ti,am4372-wkup-m3"; - reg = <0x100000 0x4000>, - <0x180000 0x2000>; - reg-names = "umem", "dmem"; - ti,hwmods = "wkup_m3"; - ti,pm-firmware = "/*(DEBLOBBED)*/"; - }; }; l4_per: interconnect@48000000 { }; l4_fast: interconnect@4a000000 { }; - emif: emif@4c000000 { - compatible = "ti,emif-am4372"; - reg = <0x4c000000 0x1000000>; - ti,hwmods = "emif"; - interrupts = ; + target-module@4c000000 { + compatible = "ti,sysc-omap4-simple", "ti,sysc"; + reg = <0x4c000000 0x4>; + reg-names = "rev"; + clocks = <&emif_clkctrl AM4_EMIF_EMIF_CLKCTRL 0>; + clock-names = "fck"; ti,no-idle; - sram = <&pm_sram_code - &pm_sram_data>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x4c000000 0x1000000>; + + emif: emif@0 { + compatible = "ti,emif-am4372"; + reg = <0 0x1000000>; + interrupts = ; + sram = <&pm_sram_code + &pm_sram_data>; + }; }; target-module@49000000 { @@ -434,24 +436,41 @@ ranges = <0x0 0x54400000 0x80000>; }; - gpmc: gpmc@50000000 { - compatible = "ti,am3352-gpmc"; - ti,hwmods = "gpmc"; - dmas = <&edma 52 0>; - dma-names = "rxtx"; - clocks = <&l3s_gclk>; + target-module@50000000 { + compatible = "ti,sysc-omap2", "ti,sysc"; + reg = <0x50000000 4>, + <0x50000010 4>, + <0x50000014 4>; + reg-names = "rev", "sysc", "syss"; + ti,sysc-sidle = , + , + ; + ti,syss-mask = <1>; + clocks = <&l3s_clkctrl AM4_L3S_GPMC_CLKCTRL 0>; clock-names = "fck"; - reg = <0x50000000 0x2000>; - interrupts = ; - gpmc,num-cs = <7>; - gpmc,num-waitpins = <2>; - #address-cells = <2>; + #address-cells = <1>; #size-cells = <1>; - interrupt-controller; - #interrupt-cells = <2>; - gpio-controller; - #gpio-cells = <2>; - status = "disabled"; + ranges = <0x50000000 0x50000000 0x00001000>, /* regs */ + <0x00000000 0x00000000 0x40000000>; /* data */ + + gpmc: gpmc@50000000 { + compatible = "ti,am3352-gpmc"; + dmas = <&edma 52 0>; + dma-names = "rxtx"; + clocks = <&l3s_gclk>; + clock-names = "fck"; + reg = <0x50000000 0x2000>; + interrupts = ; + gpmc,num-cs = <7>; + gpmc,num-waitpins = <2>; + #address-cells = <2>; + #size-cells = <1>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + status = "disabled"; + }; }; target-module@47900000 { @@ -484,23 +503,33 @@ }; }; - ocmcram: sram@40300000 { - compatible = "mmio-sram"; - reg = <0x40300000 0x40000>; /* 256k */ - ranges = <0x0 0x40300000 0x40000>; + target-module@40300000 { + compatible = "ti,sysc-omap4-simple", "ti,sysc"; + clocks = <&l3_clkctrl AM4_L3_OCMCRAM_CLKCTRL 0>; + clock-names = "fck"; + ti,no-idle; #address-cells = <1>; #size-cells = <1>; + ranges = <0 0x40300000 0x40000>; - pm_sram_code: pm-code-sram@0 { - compatible = "ti,sram"; - reg = <0x0 0x1000>; - protect-exec; - }; - - pm_sram_data: pm-data-sram@1000 { - compatible = "ti,sram"; - reg = <0x1000 0x1000>; - pool; + ocmcram: sram@0 { + compatible = "mmio-sram"; + reg = <0 0x40000>; /* 256k */ + ranges = <0 0 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + + pm_sram_code: pm-code-sram@0 { + compatible = "ti,sram"; + reg = <0x0 0x1000>; + protect-exec; + }; + + pm_sram_data: pm-data-sram@1000 { + compatible = "ti,sram"; + reg = <0x1000 0x1000>; + pool; + }; }; }; @@ -531,6 +560,12 @@ #include "am43xx-clocks.dtsi" &prcm { + prm_mpu: prm@300 { + compatible = "ti,am4-prm-inst", "ti,omap-prm-inst"; + reg = <0x300 0x100>; + #power-domain-cells = <0>; + }; + prm_gfx: prm@400 { compatible = "ti,am4-prm-inst", "ti,omap-prm-inst"; reg = <0x400 0x100>; @@ -538,16 +573,36 @@ #reset-cells = <1>; }; + prm_rtc: prm@500 { + compatible = "ti,am4-prm-inst", "ti,omap-prm-inst"; + reg = <0x500 0x100>; + #power-domain-cells = <0>; + }; + + prm_tamper: prm@600 { + compatible = "ti,am4-prm-inst", "ti,omap-prm-inst"; + reg = <0x600 0x100>; + #power-domain-cells = <0>; + }; + + prm_cefuse: prm@700 { + compatible = "ti,am4-prm-inst", "ti,omap-prm-inst"; + reg = <0x700 0x100>; + #power-domain-cells = <0>; + }; + prm_per: prm@800 { compatible = "ti,am4-prm-inst", "ti,omap-prm-inst"; reg = <0x800 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; }; prm_wkup: prm@2000 { compatible = "ti,am4-prm-inst", "ti,omap-prm-inst"; reg = <0x2000 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; }; prm_device: prm@4000 { @@ -561,6 +616,9 @@ &timer1_target { ti,no-reset-on-init; ti,no-idle; + clocks = <&l4_wkup_clkctrl AM4_L4_WKUP_TIMER1_CLKCTRL 0>, + <&l4_wkup_clkctrl AM4_L4_WKUP_L4_WKUP_CLKCTRL 0>; + clock-names = "fck", "ick"; timer@0 { assigned-clocks = <&timer1_fck>; assigned-clock-parents = <&sys_clkin_ck>; @@ -571,6 +629,9 @@ &timer2_target { ti,no-reset-on-init; ti,no-idle; + clocks = <&l4ls_clkctrl AM4_L4LS_TIMER2_CLKCTRL 0>, + <&l4ls_clkctrl AM4_L4LS_L4_LS_CLKCTRL 0>; + clock-names = "fck", "ick"; timer@0 { assigned-clocks = <&timer2_fck>; assigned-clock-parents = <&sys_clkin_ck>; diff --git a/arch/arm/boot/dts/am437x-l4.dtsi b/arch/arm/boot/dts/am437x-l4.dtsi index 243e35f..848e0c8 100644 --- a/arch/arm/boot/dts/am437x-l4.dtsi +++ b/arch/arm/boot/dts/am437x-l4.dtsi @@ -1,5 +1,8 @@ &l4_wkup { /* 0x44c00000 */ - compatible = "ti,am4-l4-wkup", "simple-bus"; + compatible = "ti,am4-l4-wkup", "simple-pm-bus"; + power-domains = <&prm_wkup>; + clocks = <&l4_wkup_clkctrl AM4_L4_WKUP_L4_WKUP_CLKCTRL 0>; + clock-names = "fck"; reg = <0x44c00000 0x800>, <0x44c00800 0x800>, <0x44c01000 0x400>, @@ -12,7 +15,7 @@ <0x00200000 0x44e00000 0x100000>; /* segment 2 */ segment@0 { /* 0x44c00000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00000000 0x000800>, /* ap 0 */ @@ -22,7 +25,7 @@ }; segment@100000 { /* 0x44d00000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00100000 0x004000>, /* ap 4 */ @@ -32,19 +35,25 @@ <0x000f0000 0x001f0000 0x010000>; /* ap 8 */ target-module@0 { /* 0x44d00000, ap 4 28.0 */ - compatible = "ti,sysc"; - status = "disabled"; + compatible = "ti,sysc-omap4", "ti,sysc"; + reg = <0x0 0x4>; + reg-names = "rev"; + clocks = <&l4_wkup_aon_clkctrl AM4_L4_WKUP_AON_WKUP_M3_CLKCTRL 0>; + clock-names = "fck"; #address-cells = <1>; #size-cells = <1>; - ranges = <0x0 0x0 0x4000>; - }; + ranges = <0x00000000 0x00000000 0x4000>, + <0x00080000 0x00080000 0x2000>; - target-module@80000 { /* 0x44d80000, ap 6 10.0 */ - compatible = "ti,sysc"; - status = "disabled"; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0x0 0x80000 0x2000>; + wkup_m3: cpu@0 { + compatible = "ti,am4372-wkup-m3"; + reg = <0x00000000 0x4000>, + <0x00080000 0x2000>; + reg-names = "umem", "dmem"; + resets = <&prm_wkup 3>; + reset-names = "rstctrl"; + ti,pm-firmware = "/*(DEBLOBBED)*/"; + }; }; target-module@f0000 { /* 0x44df0000, ap 8 58.0 */ @@ -75,7 +84,7 @@ }; segment@200000 { /* 0x44e00000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00200000 0x001000>, /* ap 9 */ @@ -265,6 +274,9 @@ compatible = "ti,sysc-omap4", "ti,sysc"; reg = <0x10000 0x4>; reg-names = "rev"; + clocks = <&l4_wkup_clkctrl AM4_L4_WKUP_CONTROL_CLKCTRL 0>; + clock-names = "fck"; + ti,no-idle; #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x10000 0x10000>; @@ -419,6 +431,7 @@ , ; /* Domains (P, C): rtc_pwrdm, l4_rtc_clkdm */ + power-domains = <&prm_rtc>; clocks = <&l4_rtc_clkctrl AM4_L4_RTC_RTC_CLKCTRL 0>; clock-names = "fck"; #address-cells = <1>; @@ -479,7 +492,10 @@ }; &l4_fast { /* 0x4a000000 */ - compatible = "ti,am4-l4-fast", "simple-bus"; + compatible = "ti,am4-l4-fast", "simple-pm-bus"; + power-domains = <&prm_per>; + clocks = <&l3_clkctrl AM4_L3_L4_HS_CLKCTRL 0>; + clock-names = "fck"; reg = <0x4a000000 0x800>, <0x4a000800 0x800>, <0x4a001000 0x400>; @@ -489,7 +505,7 @@ ranges = <0x00000000 0x4a000000 0x1000000>; /* segment 0 */ segment@0 { /* 0x4a000000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00000000 0x000800>, /* ap 0 */ @@ -594,7 +610,10 @@ }; &l4_per { /* 0x48000000 */ - compatible = "ti,am4-l4-per", "simple-bus"; + compatible = "ti,am4-l4-per", "simple-pm-bus"; + power-domains = <&prm_per>; + clocks = <&l4ls_clkctrl AM4_L4LS_L4_LS_CLKCTRL 0>; + clock-names = "fck"; reg = <0x48000000 0x800>, <0x48000800 0x800>, <0x48001000 0x400>, @@ -612,7 +631,7 @@ <0x46400000 0x46400000 0x400000>; /* l3 data port */ segment@0 { /* 0x48000000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00000000 0x000800>, /* ap 0 */ @@ -1187,7 +1206,7 @@ }; segment@100000 { /* 0x48100000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x0008c000 0x0018c000 0x001000>, /* ap 34 */ @@ -1618,13 +1637,31 @@ }; segment@200000 { /* 0x48200000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; + ranges = <0x00000000 0x00200000 0x010000>; + + target-module@0 { + compatible = "ti,sysc-omap4-simple", "ti,sysc"; + power-domains = <&prm_mpu>; + clocks = <&mpu_clkctrl AM4_MPU_MPU_CLKCTRL 0>; + clock-names = "fck"; + ti,no-idle; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0x10000>; + + mpu@0 { + compatible = "ti,omap4-mpu"; + pm-sram = <&pm_sram_code + &pm_sram_data>; + }; + }; }; segment@300000 { /* 0x48300000 */ - compatible = "simple-bus"; + compatible = "simple-pm-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x00300000 0x001000>, /* ap 56 */ diff --git a/arch/arm/boot/dts/am57-pruss.dtsi b/arch/arm/boot/dts/am57-pruss.dtsi index 032c1ac..46c5383 100644 --- a/arch/arm/boot/dts/am57-pruss.dtsi +++ b/arch/arm/boot/dts/am57-pruss.dtsi @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/ + * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/ * * Common PRUSS data for TI AM57xx platforms */ @@ -25,6 +25,94 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x4b200000 0x80000>; + + pruss1: pruss@0 { + compatible = "ti,am5728-pruss"; + reg = <0x0 0x80000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + pruss1_mem: memories@0 { + reg = <0x0 0x2000>, + <0x2000 0x2000>, + <0x10000 0x8000>; + reg-names = "dram0", "dram1", + "shrdram2"; + }; + + pruss1_cfg: cfg@26000 { + compatible = "ti,pruss-cfg", "syscon"; + reg = <0x26000 0x2000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x26000 0x2000>; + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + pruss1_iepclk_mux: iepclk-mux@30 { + reg = <0x30>; + #clock-cells = <0>; + clocks = <&dpll_gmac_m3x2_ck>, /* icss_iep_clk */ + <&dpll_gmac_h13x2_ck>; /* icss_clk */ + }; + }; + }; + + pruss1_mii_rt: mii-rt@32000 { + compatible = "ti,pruss-mii", "syscon"; + reg = <0x32000 0x58>; + }; + + pruss1_intc: interrupt-controller@20000 { + compatible = "ti,pruss-intc"; + reg = <0x20000 0x2000>; + interrupt-controller; + #interrupt-cells = <3>; + interrupts = , + , + , + , + , + , + , + ; + interrupt-names = "host_intr0", "host_intr1", + "host_intr2", "host_intr3", + "host_intr4", "host_intr5", + "host_intr6", "host_intr7"; + }; + + pru1_0: pru@34000 { + compatible = "ti,am5728-pru"; + reg = <0x34000 0x3000>, + <0x22000 0x400>, + <0x22400 0x100>; + reg-names = "iram", "control", "debug"; + firmware-name = "am57xx-pru1_0-fw"; + }; + + pru1_1: pru@38000 { + compatible = "ti,am5728-pru"; + reg = <0x38000 0x3000>, + <0x24000 0x400>, + <0x24400 0x100>; + reg-names = "iram", "control", "debug"; + firmware-name = "am57xx-pru1_1-fw"; + }; + + pruss1_mdio: mdio@32400 { + compatible = "ti,davinci_mdio"; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&dpll_gmac_h13x2_ck>; + clock-names = "fck"; + bus_freq = <1000000>; + reg = <0x32400 0x90>; + }; + }; }; pruss2_tm: target-module@4b2a6000 { @@ -46,5 +134,93 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x00000000 0x4b280000 0x80000>; + + pruss2: pruss@0 { + compatible = "ti,am5728-pruss"; + reg = <0x0 0x80000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + pruss2_mem: memories@0 { + reg = <0x0 0x2000>, + <0x2000 0x2000>, + <0x10000 0x8000>; + reg-names = "dram0", "dram1", + "shrdram2"; + }; + + pruss2_cfg: cfg@26000 { + compatible = "ti,pruss-cfg", "syscon"; + reg = <0x26000 0x2000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x26000 0x2000>; + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + pruss2_iepclk_mux: iepclk-mux@30 { + reg = <0x30>; + #clock-cells = <0>; + clocks = <&dpll_gmac_m3x2_ck>, /* icss_iep_clk */ + <&dpll_gmac_h13x2_ck>; /* icss_clk */ + }; + }; + }; + + pruss2_mii_rt: mii-rt@32000 { + compatible = "ti,pruss-mii", "syscon"; + reg = <0x32000 0x58>; + }; + + pruss2_intc: interrupt-controller@20000 { + compatible = "ti,pruss-intc"; + reg = <0x20000 0x2000>; + interrupt-controller; + #interrupt-cells = <3>; + interrupts = , + , + , + , + , + , + , + ; + interrupt-names = "host_intr0", "host_intr1", + "host_intr2", "host_intr3", + "host_intr4", "host_intr5", + "host_intr6", "host_intr7"; + }; + + pru2_0: pru@34000 { + compatible = "ti,am5728-pru"; + reg = <0x34000 0x3000>, + <0x22000 0x400>, + <0x22400 0x100>; + reg-names = "iram", "control", "debug"; + firmware-name = "am57xx-pru2_0-fw"; + }; + + pru2_1: pru@38000 { + compatible = "ti,am5728-pru"; + reg = <0x38000 0x3000>, + <0x24000 0x400>, + <0x24400 0x100>; + reg-names = "iram", "control", "debug"; + firmware-name = "am57xx-pru2_1-fw"; + }; + + pruss2_mdio: mdio@32400 { + compatible = "ti,davinci_mdio"; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&dpll_gmac_h13x2_ck>; + clock-names = "fck"; + bus_freq = <1000000>; + reg = <0x32400 0x90>; + }; + }; }; }; diff --git a/arch/arm/boot/dts/am5729-beagleboneai.dts b/arch/arm/boot/dts/am5729-beagleboneai.dts index 149cfaf..630107b 100644 --- a/arch/arm/boot/dts/am5729-beagleboneai.dts +++ b/arch/arm/boot/dts/am5729-beagleboneai.dts @@ -26,6 +26,8 @@ chosen { stdout-path = &uart1; + base_dtb = "am5729-beagleboneai.dts"; + base_dtb_timestamp = __TIMESTAMP__; }; memory@0 { @@ -204,6 +206,7 @@ &i2c1 { status = "okay"; clock-frequency = <400000>; + symlink = "bone/i2c/0"; tps659038: tps659038@58 { compatible = "ti,tps659038"; @@ -486,6 +489,7 @@ &uart1 { status = "okay"; + symlink = "bone/uart/0"; }; &davinci_mdio_sw { @@ -675,6 +679,7 @@ &i2c4 { status = "okay"; clock-frequency = <100000>; + symlink = "bone/i2c/2"; }; &cpu0_opp_table { diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi index 6b82ecf..994e69a 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi +++ b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi @@ -637,3 +637,11 @@ status = "okay"; memory-region = <&dsp2_memory_region>; }; + +&pruss1_mdio { + status = "disabled"; +}; + +&pruss2_mdio { + status = "disabled"; +}; diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-revb1.dts b/arch/arm/boot/dts/am57xx-beagle-x15-revb1.dts index 83e174e..0ba9202 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15-revb1.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15-revb1.dts @@ -7,6 +7,11 @@ / { model = "TI AM5728 BeagleBoard-X15 rev B1"; + + chosen { + base_dtb = "am57xx-beagle-x15-revb1.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; }; &tpd12s015 { diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-revc.dts b/arch/arm/boot/dts/am57xx-beagle-x15-revc.dts index 656dd84..9c721c0 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15-revc.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15-revc.dts @@ -7,6 +7,11 @@ / { model = "TI AM5728 BeagleBoard-X15 rev C"; + + chosen { + base_dtb = "am57xx-beagle-x15-revc.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; }; &tpd12s015 { diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index 0a8b165..028928f 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -8,6 +8,11 @@ / { /* NOTE: This describes the "original" pre-production A2 revision */ model = "TI AM5728 BeagleBoard-X15"; + + chosen { + base_dtb = "am57xx-beagle-x15.dts"; + base_dtb_timestamp = __TIMESTAMP__; + }; }; &tpd12s015 { diff --git a/arch/arm/boot/dts/dra7-l4.dtsi b/arch/arm/boot/dts/dra7-l4.dtsi index 1dafce9..a294a02 100644 --- a/arch/arm/boot/dts/dra7-l4.dtsi +++ b/arch/arm/boot/dts/dra7-l4.dtsi @@ -4095,6 +4095,28 @@ }; }; + usb4_tm: target-module@140000 { /* 0x48940000, ap 75 3c.0 */ + compatible = "ti,sysc-omap4", "ti,sysc"; + reg = <0x140000 0x4>, + <0x140010 0x4>; + reg-names = "rev", "sysc"; + ti,sysc-mask = ; + ti,sysc-midle = , + , + , + ; + ti,sysc-sidle = , + , + , + ; + /* Domains (P, C): l3init_pwrdm, l3init_clkdm */ + clocks = <&l3init_clkctrl DRA7_L3INIT_USB_OTG_SS4_CLKCTRL 0>; + clock-names = "fck"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x140000 0x20000>; + }; + target-module@170000 { /* 0x48970000, ap 21 0a.0 */ compatible = "ti,sysc-omap4", "ti,sysc"; reg = <0x170010 0x4>; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 7ecf8f8..9e1eb63 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -46,7 +46,6 @@ timer { compatible = "arm,armv7-timer"; - status = "disabled"; /* See ARM architected timer wrap erratum i940 */ interrupts = , , , @@ -725,22 +724,40 @@ /* OCP2SCP1 */ /* IRQ for DWC3_3 and DWC3_4 need IRQ crossbar */ - gpmc: gpmc@50000000 { - compatible = "ti,am3352-gpmc"; - ti,hwmods = "gpmc"; - reg = <0x50000000 0x37c>; /* device IO registers */ - interrupts = ; - dmas = <&edma_xbar 4 0>; - dma-names = "rxtx"; - gpmc,num-cs = <8>; - gpmc,num-waitpins = <2>; - #address-cells = <2>; + + target-module@50000000 { + compatible = "ti,sysc-omap2", "ti,sysc"; + reg = <0x50000000 4>, + <0x50000010 4>, + <0x50000014 4>; + reg-names = "rev", "sysc", "syss"; + ti,sysc-sidle = , + , + ; + ti,syss-mask = <1>; + clocks = <&l3main1_clkctrl DRA7_L3MAIN1_GPMC_CLKCTRL 0>; + clock-names = "fck"; + #address-cells = <1>; #size-cells = <1>; - interrupt-controller; - #interrupt-cells = <2>; - gpio-controller; - #gpio-cells = <2>; - status = "disabled"; + ranges = <0x50000000 0x50000000 0x00001000>, /* regs */ + <0x00000000 0x00000000 0x40000000>; /* data */ + + gpmc: gpmc@50000000 { + compatible = "ti,am3352-gpmc"; + reg = <0x50000000 0x37c>; /* device IO registers */ + interrupts = ; + dmas = <&edma_xbar 4 0>; + dma-names = "rxtx"; + gpmc,num-cs = <8>; + gpmc,num-waitpins = <2>; + #address-cells = <2>; + #size-cells = <1>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + status = "disabled"; + }; }; target-module@56000000 { @@ -759,6 +776,18 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0 0x56000000 0x2000000>; + + gpu: gpu@0 { + compatible = "ti,dra7-sgx544", "img,sgx544"; + reg = <0x0 0x10000>; + interrupts = ; + clocks = <&l3_iclk_div>, + <&gpu_core_gclk_mux>, + <&gpu_hyd_gclk_mux>; + clock-names = "iclk", + "fclk1", + "fclk2"; + }; }; crossbar_mpu: crossbar@4a002a48 { @@ -933,7 +962,7 @@ }; }; - sham_target: target-module@4b101000 { + sham1_target: target-module@4b101000 { compatible = "ti,sysc-omap3-sham", "ti,sysc"; reg = <0x4b101100 0x4>, <0x4b101110 0x4>, @@ -952,7 +981,7 @@ #size-cells = <1>; ranges = <0x0 0x4b101000 0x1000>; - sham: sham@0 { + sham1: sham@0 { compatible = "ti,omap5-sham"; reg = <0 0x300>; interrupts = ; @@ -963,6 +992,62 @@ }; }; + sham2_target: target-module@42701000 { + compatible = "ti,sysc-omap3-sham", "ti,sysc"; + reg = <0x42701100 0x4>, + <0x42701110 0x4>, + <0x42701114 0x4>; + reg-names = "rev", "sysc", "syss"; + ti,sysc-mask = <(SYSC_OMAP2_SOFTRESET | + SYSC_OMAP2_AUTOIDLE)>; + ti,sysc-sidle = , + , + ; + ti,syss-mask = <1>; + /* Domains (P, C): l4per_pwrdm, l4sec_clkdm */ + clocks = <&l4sec_clkctrl DRA7_L4SEC_SHAM2_CLKCTRL 0>; + clock-names = "fck"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x42701000 0x1000>; + + sham2: sham@0 { + compatible = "ti,omap5-sham"; + reg = <0 0x300>; + interrupts = ; + dmas = <&edma_xbar 165 0>; + dma-names = "rx"; + clocks = <&l3_iclk_div>; + clock-names = "fck"; + }; + }; + + iva_hd_target: target-module@5a000000 { + compatible = "ti,sysc-omap4", "ti,sysc"; + reg = <0x5a05a400 0x4>, + <0x5a05a410 0x4>; + reg-names = "rev", "sysc"; + ti,sysc-midle = , + , + ; + ti,sysc-sidle = , + , + ; + power-domains = <&prm_iva>; + resets = <&prm_iva 2>; + reset-names = "rstctrl"; + clocks = <&iva_clkctrl DRA7_IVA_CLKCTRL 0>; + clock-names = "fck"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x5a000000 0x5a000000 0x1000000>, + <0x5b000000 0x5b000000 0x1000000>; + + iva { + compatible = "ti,ivahd"; + }; + }; + opp_supply_mpu: opp-supply@4a003b20 { compatible = "ti,omap5-opp-supply"; reg = <0x4a003b20 0xc>; @@ -1032,81 +1117,139 @@ #include "dra7xx-clocks.dtsi" &prm { + prm_mpu: prm@300 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x300 0x100>; + #power-domain-cells = <0>; + }; + prm_dsp1: prm@400 { compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; reg = <0x400 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; }; prm_ipu: prm@500 { compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; reg = <0x500 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; + }; + + prm_coreaon: prm@628 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x628 0xd8>; + #power-domain-cells = <0>; }; prm_core: prm@700 { compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; reg = <0x700 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; }; prm_iva: prm@f00 { compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; reg = <0xf00 0x100>; + #reset-cells = <1>; + #power-domain-cells = <0>; + }; + + prm_cam: prm@1000 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1000 0x100>; + #power-domain-cells = <0>; + }; + + prm_dss: prm@1100 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1100 0x100>; + #power-domain-cells = <0>; + }; + + prm_gpu: prm@1200 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1200 0x100>; + #power-domain-cells = <0>; + }; + + prm_l3init: prm@1300 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1300 0x100>; + #reset-cells = <1>; + #power-domain-cells = <0>; + }; + + prm_l4per: prm@1400 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1400 0x100>; + #power-domain-cells = <0>; + }; + + prm_custefuse: prm@1600 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1600 0x100>; + #power-domain-cells = <0>; + }; + + prm_wkupaon: prm@1724 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1724 0x100>; + #power-domain-cells = <0>; }; prm_dsp2: prm@1b00 { compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; reg = <0x1b00 0x40>; #reset-cells = <1>; + #power-domain-cells = <0>; }; prm_eve1: prm@1b40 { compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; reg = <0x1b40 0x40>; + #power-domain-cells = <0>; }; prm_eve2: prm@1b80 { compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; reg = <0x1b80 0x40>; + #power-domain-cells = <0>; }; prm_eve3: prm@1bc0 { compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; reg = <0x1bc0 0x40>; + #power-domain-cells = <0>; }; prm_eve4: prm@1c00 { compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; reg = <0x1c00 0x60>; + #power-domain-cells = <0>; }; -}; -/* Preferred always-on timer for clockevent */ -&timer1_target { - ti,no-reset-on-init; - ti,no-idle; - timer@0 { - assigned-clocks = <&wkupaon_clkctrl DRA7_TIMER1_CLKCTRL 24>; - assigned-clock-parents = <&sys_32k_ck>; + prm_rtc: prm@1c60 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1c60 0x20>; + #power-domain-cells = <0>; }; -}; -/* Local timers, see ARM architected timer wrap erratum i940 */ -&timer3_target { - ti,no-reset-on-init; - ti,no-idle; - timer@0 { - assigned-clocks = <&l4per_clkctrl DRA7_L4PER_TIMER3_CLKCTRL 24>; - assigned-clock-parents = <&timer_sys_clk_div>; + prm_vpe: prm@1c80 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1c80 0x80>; + #power-domain-cells = <0>; }; }; -&timer4_target { +/* Preferred always-on timer for clockevent */ +&timer1_target { ti,no-reset-on-init; ti,no-idle; timer@0 { - assigned-clocks = <&l4per_clkctrl DRA7_L4PER_TIMER4_CLKCTRL 24>; - assigned-clock-parents = <&timer_sys_clk_div>; + assigned-clocks = <&wkupaon_clkctrl DRA7_TIMER1_CLKCTRL 24>; + assigned-clock-parents = <&sys_32k_ck>; }; }; diff --git a/arch/arm/boot/dts/dra74x.dtsi b/arch/arm/boot/dts/dra74x.dtsi index b4e07d9..e1850d6 100644 --- a/arch/arm/boot/dts/dra74x.dtsi +++ b/arch/arm/boot/dts/dra74x.dtsi @@ -49,6 +49,49 @@ reg = <0x41500000 0x100>; }; + target-module@48940000 { + compatible = "ti,sysc-omap4", "ti,sysc"; + reg = <0x48940000 0x4>, + <0x48940010 0x4>; + reg-names = "rev", "sysc"; + ti,sysc-mask = ; + ti,sysc-midle = , + , + , + ; + ti,sysc-sidle = , + , + , + ; + clocks = <&l3init_clkctrl DRA7_L3INIT_USB_OTG_SS4_CLKCTRL 0>; + clock-names = "fck"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x48940000 0x20000>; + + omap_dwc3_4: omap_dwc3_4@0 { + compatible = "ti,dwc3"; + reg = <0 0x10000>; + interrupts = ; + #address-cells = <1>; + #size-cells = <1>; + utmi-mode = <2>; + ranges; + status = "disabled"; + usb4: usb@10000 { + compatible = "snps,dwc3"; + reg = <0x10000 0x17000>; + interrupts = , + , + ; + interrupt-names = "peripheral", + "host", + "otg"; + maximum-speed = "high-speed"; + dr_mode = "otg"; + }; + }; + }; target-module@41501000 { compatible = "ti,sysc-omap2", "ti,sysc"; @@ -181,52 +224,3 @@ &pcie2_rc { compatible = "ti,dra746-pcie-rc", "ti,dra7-pcie"; }; - -&l4_per3 { - segment@0 { - usb4_tm: target-module@140000 { /* 0x48940000, ap 75 3c.0 */ - compatible = "ti,sysc-omap4", "ti,sysc"; - reg = <0x140000 0x4>, - <0x140010 0x4>; - reg-names = "rev", "sysc"; - ti,sysc-mask = ; - ti,sysc-midle = , - , - , - ; - ti,sysc-sidle = , - , - , - ; - /* Domains (P, C): l3init_pwrdm, l3init_clkdm */ - clocks = <&l3init_clkctrl DRA7_L3INIT_USB_OTG_SS4_CLKCTRL 0>; - clock-names = "fck"; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0x0 0x140000 0x20000>; - - omap_dwc3_4: omap_dwc3_4@0 { - compatible = "ti,dwc3"; - reg = <0 0x10000>; - interrupts = ; - #address-cells = <1>; - #size-cells = <1>; - utmi-mode = <2>; - ranges; - status = "disabled"; - usb4: usb@10000 { - compatible = "snps,dwc3"; - reg = <0x10000 0x17000>; - interrupts = , - , - ; - interrupt-names = "peripheral", - "host", - "otg"; - maximum-speed = "high-speed"; - dr_mode = "otg"; - }; - }; - }; - }; -}; diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi index dc0a93b..2365554 100644 --- a/arch/arm/boot/dts/dra7xx-clocks.dtsi +++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi @@ -1726,6 +1726,20 @@ }; }; + iva_cm: iva-cm@f00 { + compatible = "ti,omap4-cm"; + reg = <0xf00 0x100>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0xf00 0x100>; + + iva_clkctrl: iva-clkctrl@20 { + compatible = "ti,clkctrl"; + reg = <0x20 0xc>; + #clock-cells = <2>; + }; + }; + cam_cm: cam-cm@1000 { compatible = "ti,omap4-cm"; reg = <0x1000 0x100>; diff --git a/arch/arm/boot/dts/imx6q-evi.dts b/arch/arm/boot/dts/imx6q-evi.dts index c63f371..546d9d4 100644 --- a/arch/arm/boot/dts/imx6q-evi.dts +++ b/arch/arm/boot/dts/imx6q-evi.dts @@ -55,18 +55,6 @@ reg = <0x10000000 0x40000000>; }; - reg_usbh1_vbus: regulator-usbhubreset { - compatible = "regulator-fixed"; - regulator-name = "usbh1_vbus"; - regulator-min-microvolt = <5000000>; - regulator-max-microvolt = <5000000>; - enable-active-high; - startup-delay-us = <2>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_usbh1_hubreset>; - gpio = <&gpio7 12 GPIO_ACTIVE_HIGH>; - }; - reg_usb_otg_vbus: regulator-usbotgvbus { compatible = "regulator-fixed"; regulator-name = "usb_otg_vbus"; @@ -214,12 +202,18 @@ }; &usbh1 { - vbus-supply = <®_usbh1_vbus>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usbh1>; dr_mode = "host"; disable-over-current; status = "okay"; + + usb2415host: hub@1 { + compatible = "usb424,2513"; + reg = <1>; + reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>; + reset-duration-us = <3000>; + }; }; &usbotg { @@ -482,11 +476,6 @@ MX6QDL_PAD_GPIO_3__USB_H1_OC 0x1b0b0 /* usbh1_b OC */ MX6QDL_PAD_GPIO_0__GPIO1_IO00 0x1b0b0 - >; - }; - - pinctrl_usbh1_hubreset: usbh1hubresetgrp { - fsl,pins = < MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x1b0b0 >; }; diff --git a/arch/arm/boot/dts/imx6qdl-udoo.dtsi b/arch/arm/boot/dts/imx6qdl-udoo.dtsi index d07d8f8..789fa55 100644 --- a/arch/arm/boot/dts/imx6qdl-udoo.dtsi +++ b/arch/arm/boot/dts/imx6qdl-udoo.dtsi @@ -5,6 +5,8 @@ * Author: Fabio Estevam */ +#include + / { aliases { backlight = &backlight; @@ -62,17 +64,6 @@ #address-cells = <1>; #size-cells = <0>; - reg_usb_h1_vbus: regulator@0 { - compatible = "regulator-fixed"; - reg = <0>; - regulator-name = "usb_h1_vbus"; - regulator-min-microvolt = <5000000>; - regulator-max-microvolt = <5000000>; - enable-active-high; - startup-delay-us = <2>; /* USB2415 requires a POR of 1 us minimum */ - gpio = <&gpio7 12 0>; - }; - reg_panel: regulator@1 { compatible = "regulator-fixed"; reg = <1>; @@ -93,6 +84,17 @@ mux-int-port = <1>; mux-ext-port = <6>; }; + + udoo_ard: udoo_ard_manager { + compatible = "udoo,imx6q-udoo-ard"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_udooard>; + bossac-clk-gpio = <&gpio6 3 0>; + bossac-dat-gpio = <&gpio5 18 0>; + bossac-erase-gpio = <&gpio4 21 0>; + bossac-reset-gpio = <&gpio1 0 0>; + status = "okay"; + }; }; &fec { @@ -205,7 +207,7 @@ pinctrl_usbh: usbhgrp { fsl,pins = < - MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x80000000 + MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x1b0b0 MX6QDL_PAD_NANDF_CS2__CCM_CLKO2 0x130b0 >; }; @@ -218,6 +220,15 @@ >; }; + pinctrl_udooard: udooardgrp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT0__GPIO4_IO21 0x80000000 + MX6QDL_PAD_CSI0_DAT17__GPIO6_IO03 0x80000000 + MX6QDL_PAD_CSI0_PIXCLK__GPIO5_IO18 0x80000000 + MX6QDL_PAD_GPIO_0__GPIO1_IO00 0x80000000 + >; + }; + pinctrl_usdhc3: usdhc3grp { fsl,pins = < MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17059 @@ -290,9 +301,16 @@ &usbh1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usbh>; - vbus-supply = <®_usb_h1_vbus>; - clocks = <&clks IMX6QDL_CLK_CKO>; status = "okay"; + + usb2415: hub@1 { + compatible = "usb424,2514"; + reg = <1>; + + clocks = <&clks IMX6QDL_CLK_CKO>; + reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>; + reset-duration-us = <3000>; + }; }; &usbotg { diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index 4412d7e..84b42e1 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -986,6 +986,8 @@ usbh1: usb@2184200 { compatible = "fsl,imx6q-usb", "fsl,imx27-usb"; + #address-cells = <1>; + #size-cells = <0>; reg = <0x02184200 0x200>; interrupts = <0 40 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks IMX6QDL_CLK_USBOH3>; @@ -1000,6 +1002,8 @@ usbh2: usb@2184400 { compatible = "fsl,imx6q-usb", "fsl,imx27-usb"; + #address-cells = <1>; + #size-cells = <0>; reg = <0x02184400 0x200>; interrupts = <0 41 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks IMX6QDL_CLK_USBOH3>; @@ -1015,6 +1019,8 @@ usbh3: usb@2184600 { compatible = "fsl,imx6q-usb", "fsl,imx27-usb"; + #address-cells = <1>; + #size-cells = <0>; reg = <0x02184600 0x200>; interrupts = <0 42 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks IMX6QDL_CLK_USBOH3>; diff --git a/arch/arm/boot/dts/imx7d-pico-pi.dts b/arch/arm/boot/dts/imx7d-pico-pi.dts index 70bea95..a50edba 100644 --- a/arch/arm/boot/dts/imx7d-pico-pi.dts +++ b/arch/arm/boot/dts/imx7d-pico-pi.dts @@ -8,6 +8,10 @@ model = "TechNexion PICO-IMX7D Board and PI baseboard"; compatible = "technexion,imx7d-pico-pi", "fsl,imx7d"; + chosen { + stdout-path = "serial4:115200n8"; + }; + leds { compatible = "gpio-leds"; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts index 252507c..a858ebf 100644 --- a/arch/arm/boot/dts/omap3-beagle-xm.dts +++ b/arch/arm/boot/dts/omap3-beagle-xm.dts @@ -34,26 +34,26 @@ clock-frequency = <26000000>; }; - leds { + led-controller-1 { compatible = "gpio-leds"; - heartbeat { + led-1 { label = "beagleboard::usr0"; gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>; /* 150 -> D6 LED */ linux,default-trigger = "heartbeat"; }; - mmc { + led-2 { label = "beagleboard::usr1"; gpios = <&gpio5 21 GPIO_ACTIVE_HIGH>; /* 149 -> D7 LED */ linux,default-trigger = "mmc0"; }; }; - pwmleds { + led-controller-2 { compatible = "pwm-leds"; - pmu_stat { + led-3 { label = "beagleboard::pmu_stat"; pwms = <&twl_pwmled 1 7812500>; max-brightness = <127>; diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi index d8f1362..45435bb 100644 --- a/arch/arm/boot/dts/omap5-board-common.dtsi +++ b/arch/arm/boot/dts/omap5-board-common.dtsi @@ -149,7 +149,7 @@ &gpio8 { /* TI trees use GPIO instead of msecure, see also muxing */ - p234 { + msecure-hog { gpio-hog; gpios = <10 GPIO_ACTIVE_HIGH>; output-high; diff --git a/arch/arm/boot/dts/omap5-l4.dtsi b/arch/arm/boot/dts/omap5-l4.dtsi index f3d3a16..887b335 100644 --- a/arch/arm/boot/dts/omap5-l4.dtsi +++ b/arch/arm/boot/dts/omap5-l4.dtsi @@ -194,7 +194,7 @@ #size-cells = <1>; utmi-mode = <2>; ranges = <0 0 0x20000>; - dwc3: dwc3@10000 { + dwc3: usb@10000 { compatible = "snps,dwc3"; reg = <0x10000 0x10000>; interrupts = , diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 530210d..ee821d0 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -415,6 +415,7 @@ <0x58000014 4>; reg-names = "rev", "syss"; ti,syss-mask = <1>; + power-domains = <&prm_dss>; clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 0>, <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 9>, <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>, @@ -522,6 +523,9 @@ clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>, <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>; clock-names = "fck", "sys_clk"; + + #address-cells = <1>; + #size-cells = <0>; }; }; @@ -554,6 +558,9 @@ clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>, <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>; clock-names = "fck", "sys_clk"; + + #address-cells = <1>; + #size-cells = <0>; }; }; @@ -675,10 +682,17 @@ #include "omap54xx-clocks.dtsi" &prm { + prm_mpu: prm@300 { + compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; + reg = <0x300 0x100>; + #power-domain-cells = <0>; + }; + prm_dsp: prm@400 { compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; reg = <0x400 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; }; prm_abe: prm@500 { @@ -687,16 +701,66 @@ #power-domain-cells = <0>; }; + prm_coreaon: prm@600 { + compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; + reg = <0x600 0x100>; + #power-domain-cells = <0>; + }; + prm_core: prm@700 { compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; reg = <0x700 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; }; prm_iva: prm@1200 { compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; reg = <0x1200 0x100>; #reset-cells = <1>; + #power-domain-cells = <0>; + }; + + prm_cam: prm@1300 { + compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; + reg = <0x1300 0x100>; + #power-domain-cells = <0>; + }; + + prm_dss: prm@1400 { + compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; + reg = <0x1400 0x100>; + #power-domain-cells = <0>; + }; + + prm_gpu: prm@1500 { + compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; + reg = <0x1500 0x100>; + #power-domain-cells = <0>; + }; + + prm_l3init: prm@1600 { + compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; + reg = <0x1600 0x100>; + #power-domain-cells = <0>; + }; + + prm_custefuse: prm@1700 { + compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; + reg = <0x1700 0x100>; + #power-domain-cells = <0>; + }; + + prm_wkupaon: prm@1800 { + compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; + reg = <0x1800 0x100>; + #power-domain-cells = <0>; + }; + + prm_emu: prm@1a00 { + compatible = "ti,omap5-prm-inst", "ti,omap-prm-inst"; + reg = <0x1a00 0x100>; + #power-domain-cells = <0>; }; prm_device: prm@1c00 { diff --git b/arch/arm/boot/dts/overlays/BB-ADC-00A0.dts b/arch/arm/boot/dts/overlays/BB-ADC-00A0.dts new file mode 100644 index 0000000..d85ef85 --- /dev/null +++ b/arch/arm/boot/dts/overlays/BB-ADC-00A0.dts @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +/* + * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/ + */ +&{/chosen} { + overlays { + BB-ADC-00A0.kernel = __TIMESTAMP__; + }; +}; + +&tscadc { + status = "okay"; +}; diff --git b/arch/arm/boot/dts/overlays/BB-BBBW-WL1835-00A0.dts b/arch/arm/boot/dts/overlays/BB-BBBW-WL1835-00A0.dts new file mode 100644 index 0000000..28f6f17 --- /dev/null +++ b/arch/arm/boot/dts/overlays/BB-BBBW-WL1835-00A0.dts @@ -0,0 +1,153 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include + +/ { + fragment@1 { + target-path="/"; + __overlay__ { + model = "TI AM335x BeagleBone Black Wireless"; + compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; + + /* + * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/ + */ + chosen { + overlays { + BB-BBBW-WL1835-00A0.kernel = __TIMESTAMP__; + }; + }; + + wlan_en_reg: fixedregulator@2 { + compatible = "regulator-fixed"; + regulator-name = "wlan-en-regulator"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + startup-delay-us= <70000>; + + /* WL_EN */ + gpio = <&gpio3 9 0>; + enable-active-high; + }; + + leds { + pinctrl-names = "default"; + pinctrl-0 = <&bt_pins>; + compatible = "gpio-leds"; + + wl18xx_bt_en { + label = "wl18xx_bt_en"; + gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + }; + }; + }; + + fragment@3 { + target = <&am33xx_pinmux>; + __overlay__ { + bt_pins: pinmux_bt_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gmii1_txd0.gpio0_28 - BT_EN */ + >; + }; + + mmc3_pins: pinmux_mmc3_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE6 ) /* (L15) gmii1_rxd1.mmc2_clk */ + AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLUP, MUX_MODE6 ) /* (J16) gmii1_txen.mmc2_cmd */ + AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (J17) gmii1_rxdv.mmc2_dat0 */ + AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (J18) gmii1_txd3.mmc2_dat1 */ + AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (K15) gmii1_txd2.mmc2_dat2 */ + AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (H16) gmii1_col.mmc2_dat3 */ + >; + }; + + uart3_pins: pinmux_uart3_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE1) /* gmii1_rxd3.uart3_rxd */ + AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE1) /* gmii1_rxd2.uart3_txd */ + AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT, MUX_MODE3) /* mdio_data.uart3_ctsn */ + AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLDOWN, MUX_MODE3) /* mdio_clk.uart3_rtsn */ + >; + }; + + wl18xx_pins: pinmux_wl18xx_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gmii1_txclk.gpio3_9 WL_EN */ + AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* rmii1_refclk.gpio0_29 WL_IRQ */ + AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gmii1_rxclk.gpio3_10 LS_BUF_EN */ + >; + }; + }; + }; + + fragment@4 { + target = <&mac>; + __overlay__ { + status = "disabled"; + }; + }; + + fragment@5 { + target = <&mmc3>; + __overlay__ { + dmas = <&edma_xbar 12 0 1 + &edma_xbar 13 0 2>; + dma-names = "tx", "rx"; + status = "okay"; + vmmc-supply = <&wlan_en_reg>; + bus-width = <4>; + non-removable; + cap-power-off-card; + ti,needs-special-hs-handling; + keep-power-in-suspend; + pinctrl-names = "default"; + pinctrl-0 = <&mmc3_pins &wl18xx_pins>; + + #address-cells = <1>; + #size-cells = <0>; + wlcore: wlcore@2 { + compatible = "ti,wl1835"; + reg = <2>; + interrupt-parent = <&gpio0>; + interrupts = <29 IRQ_TYPE_EDGE_RISING>; + }; + }; + }; + + fragment@6 { + target = <&uart3>; + __overlay__ { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pins &bt_pins>; + status = "okay"; + + bluetooth { + compatible = "ti,wl1835-st"; + enable-gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>; + }; + }; + }; + + fragment@7 { + target = <&gpio3>; + __overlay__ { + ls_buf_en { + gpio-hog; + gpios = <10 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "LS_BUF_EN"; + }; + }; + }; +}; diff --git b/arch/arm/boot/dts/overlays/BB-BBGW-WL1835-00A0.dts b/arch/arm/boot/dts/overlays/BB-BBGW-WL1835-00A0.dts new file mode 100644 index 0000000..14a911e --- /dev/null +++ b/arch/arm/boot/dts/overlays/BB-BBGW-WL1835-00A0.dts @@ -0,0 +1,173 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include + +/ { + fragment@1 { + target-path="/"; + __overlay__ { + model = "TI AM335x BeagleBone Green Wireless"; + compatible = "ti,am335x-bone-green-wireless", "ti,am335x-bone-green", "ti,am335x-bone", "ti,am33xx"; + + /* + * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/ + */ + chosen { + overlays { + BB-BBGW-WL1835-00A0.kernel = __TIMESTAMP__; + }; + }; + + wlan_en_reg: fixedregulator@2 { + compatible = "regulator-fixed"; + regulator-name = "wlan-en-regulator"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + startup-delay-us= <70000>; + + /* WL_EN */ + gpio = <&gpio0 26 0>; + enable-active-high; + }; + + leds { + pinctrl-names = "default"; + pinctrl-0 = <&bt_pins>; + compatible = "gpio-leds"; + + wl18xx_bt_en { + label = "wl18xx_bt_en"; + gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + }; + }; + }; + + fragment@3 { + target = <&am33xx_pinmux>; + __overlay__ { + bt_pins: pinmux_bt_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gpmc_ad12.gpio1_28 BT_EN */ + >; + }; + + mmc3_pins: pinmux_mmc3_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad12.mmc2_dat0 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad13.mmc2_dat1 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad14.mmc2_dat2 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad15.mmc2_dat3 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_csn3.mmc2_cmd */ + AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_clk.mmc2_clk */ + >; + }; + + uart3_pins: pinmux_uart3_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE1) /* gmii1_rxd3.uart3_rxd */ + AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE1) /* gmii1_rxd2.uart3_txd */ + AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT, MUX_MODE3) /* mdio_data.uart3_ctsn */ + AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLDOWN, MUX_MODE3) /* mdio_clk.uart3_rtsn */ + >; + }; + + wl18xx_pins: pinmux_wl18xx_pins { + pinctrl-single,pins = < + AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gpmc_ad10.gpio0_26 WL_EN */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLDOWN, MUX_MODE7) /* gpmc_ad11.gpio0_27 WL_IRQ */ + AM33XX_PADCONF(AM335X_PIN_GPMC_CSN0, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gpmc_csn0.gpio1_29 LS_BUF_EN */ + >; + }; + }; + }; + + fragment@4 { + target = <&mac>; + __overlay__ { + status = "disabled"; + }; + }; + + fragment@5 { + target = <&mmc3>; + __overlay__ { + dmas = <&edma_xbar 12 0 1 + &edma_xbar 13 0 2>; + dma-names = "tx", "rx"; + status = "okay"; + vmmc-supply = <&wlan_en_reg>; + bus-width = <4>; + non-removable; + cap-power-off-card; + ti,needs-special-hs-handling; + keep-power-in-suspend; + pinctrl-names = "default"; + pinctrl-0 = <&mmc3_pins &wl18xx_pins>; + + #address-cells = <1>; + #size-cells = <0>; + wlcore: wlcore@2 { + compatible = "ti,wl1835"; + reg = <2>; + interrupt-parent = <&gpio0>; + interrupts = <27 IRQ_TYPE_EDGE_RISING>; + }; + }; + }; + + fragment@6 { + target = <&uart3>; + __overlay__ { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pins &bt_pins>; + status = "okay"; + + bluetooth { + compatible = "ti,wl1835-st"; + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + }; + }; + }; + + fragment@7 { + target = <&gpio1>; + __overlay__ { + ls_buf_en { + gpio-hog; + gpios = <29 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "LS_BUF_EN"; + }; + }; + }; + +/* BT_AUD_OUT from wl1835 has to be pulled low when WL_EN is activated.*/ +/* in case it isn't, wilink8 ends up in one of the test modes that */ +/* intruces various issues (elp wkaeup timeouts etc.) */ +/* On the BBGW this pin is routed through the level shifter (U21) that */ +/* introduces a pullup on the line and wilink8 ends up in a bad state. */ +/* use a gpio hog to force this pin low. An alternative may be adding */ +/* an external pulldown on U21 pin 4. */ + + fragment@8 { + target = <&gpio3>; + __overlay__ { + bt_aud_in { + gpio-hog; + gpios = <16 GPIO_ACTIVE_HIGH>; + output-low; + line-name = "MCASP0_AHCLKR"; + }; + }; + }; +}; diff --git b/arch/arm/boot/dts/overlays/BB-BONE-eMMC1-01-00A0.dts b/arch/arm/boot/dts/overlays/BB-BONE-eMMC1-01-00A0.dts new file mode 100644 index 0000000..ab72eaa --- /dev/null +++ b/arch/arm/boot/dts/overlays/BB-BONE-eMMC1-01-00A0.dts @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include + +/* + * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/ + */ +&{/chosen} { + overlays { + BB-BONE-eMMC1-01-00A0.kernel = __TIMESTAMP__; + }; +}; + +&mmc2 { + vmmc-supply = <&vmmcsd_fixed>; + pinctrl-names = "default"; + pinctrl-0 = <&emmc_pins>; + bus-width = <8>; + status = "okay"; + non-removable; +}; diff --git b/arch/arm/boot/dts/overlays/BB-HDMI-TDA998x-00A0.dts b/arch/arm/boot/dts/overlays/BB-HDMI-TDA998x-00A0.dts new file mode 100644 index 0000000..c751ab6 --- /dev/null +++ b/arch/arm/boot/dts/overlays/BB-HDMI-TDA998x-00A0.dts @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include +#include + +/* + * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/ + */ +&{/chosen} { + overlays { + BB-HDMI-TDA998x-00A0.kernel = __TIMESTAMP__; + }; +}; + +&lcdc { + status = "okay"; + + /* If you want to get 24 bit RGB and 16 BGR mode instead of + * current 16 bit RGB and 24 BGR modes, set the propety + * below to "crossed" and uncomment the video-ports -property + * in tda19988 node. + */ + blue-and-red-wiring = "straight"; + + port { + lcdc_0: endpoint@0 { + remote-endpoint = <&hdmi_0>; + }; + }; +}; + +&i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + tda19988: tda19988@70 { + compatible = "nxp,tda998x"; + reg = <0x70>; + nxp,calib-gpios = <&gpio1 25 0>; + interrupts-extended = <&gpio1 25 IRQ_TYPE_LEVEL_LOW>; + + pinctrl-names = "default", "off"; + pinctrl-0 = <&nxp_hdmi_bonelt_pins>; + pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>; + + /* Convert 24bit BGR to RGB, e.g. cross red and blue wiring */ + /* video-ports = <0x234501>; */ + + #sound-dai-cells = <0>; + audio-ports = < TDA998x_I2S 0x03>; + + ports { + port@0 { + hdmi_0: endpoint@0 { + remote-endpoint = <&lcdc_0>; + }; + }; + }; + }; +}; + +&mcasp0 { + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&mcasp0_pins>; + status = "okay"; + op-mode = <0>; /* MCASP_IIS_MODE */ + tdm-slots = <2>; + serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ + 0 0 1 0 + >; + tx-num-evt = <32>; + rx-num-evt = <32>; +}; + +&{/} { + clk_mcasp0_fixed: clk_mcasp0_fixed { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24576000>; + }; + + clk_mcasp0: clk_mcasp0 { + #clock-cells = <0>; + compatible = "gpio-gate-clock"; + clocks = <&clk_mcasp0_fixed>; + enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */ + }; + + sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "TI BeagleBone Black"; + simple-audio-card,format = "i2s"; + simple-audio-card,bitclock-master = <&dailink0_master>; + simple-audio-card,frame-master = <&dailink0_master>; + + dailink0_master: simple-audio-card,cpu { + sound-dai = <&mcasp0>; + clocks = <&clk_mcasp0>; + }; + + simple-audio-card,codec { + sound-dai = <&tda19988>; + }; + }; +}; diff --git b/arch/arm/boot/dts/overlays/BBORG_FAN-A000.dts b/arch/arm/boot/dts/overlays/BBORG_FAN-A000.dts new file mode 100644 index 0000000..ab426ff --- /dev/null +++ b/arch/arm/boot/dts/overlays/BBORG_FAN-A000.dts @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2020 Robert Nelson + */ + +/dts-v1/; +/plugin/; + +/* + * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/ + */ +&{/chosen} { + overlays { + BBORG_FAN-A000.kernel = __TIMESTAMP__; + }; +}; + +/* From dra7.dtsi opp_nom-1000000000 */ +&cpu0_opp_table { + opp_slow-500000000 { + opp-hz = /bits/ 64 <1000000000>; + opp-microvolt = <1060000 850000 1150000>, + <1060000 850000 1150000>; + opp-supported-hw = <0xFF 0x01>; + opp-suspend; + }; +}; diff --git b/arch/arm/boot/dts/overlays/BONE-ADC.dts b/arch/arm/boot/dts/overlays/BONE-ADC.dts new file mode 100644 index 0000000..dafd8a2 --- /dev/null +++ b/arch/arm/boot/dts/overlays/BONE-ADC.dts @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2020 Deepak Khatri + * See Cape Interface Spec page for more info on Bone Buses + * https://elinux.org/Beagleboard:BeagleBone_cape_interface_spec + * + * Virtual cape for Bone ADC + */ + +/dts-v1/; +/plugin/; + +/* + * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/ + */ +&{/chosen} { + overlays { + BONE-ADC.kernel = __TIMESTAMP__; + }; +}; + +/* + * See these files for the phandles (&bone_*) and other bone bus nodes + * am335x-bbb-bone-buses.dtsi + */ +&bone_adc { + status = "okay"; +}; diff --git b/arch/arm/boot/dts/overlays/M-BB-BBG-00A0.dts b/arch/arm/boot/dts/overlays/M-BB-BBG-00A0.dts new file mode 100644 index 0000000..aa938ad --- /dev/null +++ b/arch/arm/boot/dts/overlays/M-BB-BBG-00A0.dts @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +/* + * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/ + */ +&{/chosen} { + overlays { + M-BB-BBG-00A0.kernel = __TIMESTAMP__; + }; +}; + +&{/} { + model = "TI AM335x BeagleBone Green"; + compatible = "ti,am335x-bone-green", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; +}; diff --git b/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile new file mode 100644 index 0000000..0913564 --- /dev/null +++ b/arch/arm/boot/dts/overlays/Makefile @@ -0,0 +1,17 @@ +# Overlays for the BeagleBone platform + +dtbo-$(CONFIG_ARCH_OMAP2PLUS) += \ + BB-ADC-00A0.dtbo \ + BB-BBBW-WL1835-00A0.dtbo \ + BB-BBGW-WL1835-00A0.dtbo \ + BB-BONE-eMMC1-01-00A0.dtbo \ + BB-HDMI-TDA998x-00A0.dtbo \ + BBORG_FAN-A000.dtbo \ + BONE-ADC.dtbo \ + M-BB-BBG-00A0.dtbo + +targets += dtbs dtbs_install +targets += $(dtbo-y) + +always-y := $(dtbo-y) +clean-files := *.dtbo diff --git a/arch/arm/boot/dts/twl6030.dtsi b/arch/arm/boot/dts/twl6030.dtsi index 9d588cf..c0094e0 100644 --- a/arch/arm/boot/dts/twl6030.dtsi +++ b/arch/arm/boot/dts/twl6030.dtsi @@ -80,6 +80,11 @@ regulator-always-on; }; + clk32kg: regulator-clk32kg { + compatible = "ti,twl6030-clk32kg"; + regulator-always-on; + }; + twl_usb_comparator: usb-comparator { compatible = "ti,twl6030-usb"; interrupts = <4>, <10>; diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 3f62a0c..0c876c0 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -2,11 +2,15 @@ menu "TI OMAP/AM/DM/DRA Family" depends on ARCH_MULTI_V6 || ARCH_MULTI_V7 +config OMAP_HWMOD + bool + config ARCH_OMAP2 bool "TI OMAP2" depends on ARCH_MULTI_V6 select ARCH_OMAP2PLUS select CPU_V6 + select OMAP_HWMOD select SOC_HAS_OMAP2_SDRC config ARCH_OMAP3 @@ -14,6 +18,7 @@ config ARCH_OMAP3 depends on ARCH_MULTI_V7 select ARCH_OMAP2PLUS select ARM_CPU_SUSPEND if PM + select OMAP_HWMOD select OMAP_INTERCONNECT select PM_OPP if PM select PM if CPU_IDLE @@ -30,6 +35,7 @@ config ARCH_OMAP4 select ARM_GIC select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP + select OMAP_HWMOD select OMAP_INTERCONNECT select OMAP_INTERCONNECT_BARRIER select PL310_ERRATA_588369 if CACHE_L2X0 @@ -49,6 +55,7 @@ config SOC_OMAP5 select HAVE_ARM_SCU if SMP select HAVE_ARM_ARCH_TIMER select ARM_ERRATA_798181 if SMP + select OMAP_HWMOD select OMAP_INTERCONNECT select OMAP_INTERCONNECT_BARRIER select PM_OPP if PM @@ -84,6 +91,7 @@ config SOC_DRA7XX select HAVE_ARM_ARCH_TIMER select IRQ_CROSSBAR select ARM_ERRATA_798181 if SMP + select OMAP_HWMOD select OMAP_INTERCONNECT select OMAP_INTERCONNECT_BARRIER select PM_OPP if PM diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 732e614..9bcfb34 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -8,20 +8,22 @@ ccflags-y := -I$(srctree)/$(src)/include \ # Common support obj-y := id.o io.o control.o devices.o fb.o pm.o \ - common.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \ - omap_device.o omap-headsmp.o sram.o + common.o dma.o omap-headsmp.o sram.o hwmod-common = omap_hwmod.o omap_hwmod_reset.o \ - omap_hwmod_common_data.o + omap_hwmod_common_data.o \ + omap_hwmod_common_ipblock_data.o \ + omap_device.o display.o hdq1w.o \ + i2c.o wd_timer.o clock-common = clock.o secure-common = omap-smc.o omap-secure.o obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common) obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common) $(secure-common) obj-$(CONFIG_ARCH_OMAP4) += $(hwmod-common) $(secure-common) -obj-$(CONFIG_SOC_AM33XX) += $(hwmod-common) $(secure-common) +obj-$(CONFIG_SOC_AM33XX) += $(secure-common) obj-$(CONFIG_SOC_OMAP5) += $(hwmod-common) $(secure-common) -obj-$(CONFIG_SOC_AM43XX) += $(hwmod-common) $(secure-common) +obj-$(CONFIG_SOC_AM43XX) += $(secure-common) obj-$(CONFIG_SOC_DRA7XX) += $(hwmod-common) $(secure-common) ifneq ($(CONFIG_SND_SOC_OMAP_MCBSP),) @@ -194,7 +196,6 @@ obj-$(CONFIG_SOC_OMAP2420) += opp2420_data.o obj-$(CONFIG_SOC_OMAP2430) += opp2430_data.o # hwmod data -obj-y += omap_hwmod_common_ipblock_data.o obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_ipblock_data.o obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_3xxx_ipblock_data.o obj-$(CONFIG_SOC_OMAP2420) += omap_hwmod_2xxx_interconnect_data.o @@ -205,12 +206,6 @@ obj-$(CONFIG_SOC_OMAP2430) += omap_hwmod_2xxx_interconnect_data.o obj-$(CONFIG_SOC_OMAP2430) += omap_hwmod_2430_data.o obj-$(CONFIG_ARCH_OMAP3) += omap_hwmod_2xxx_3xxx_ipblock_data.o obj-$(CONFIG_ARCH_OMAP3) += omap_hwmod_3xxx_data.o -obj-$(CONFIG_SOC_AM33XX) += omap_hwmod_33xx_data.o -obj-$(CONFIG_SOC_AM33XX) += omap_hwmod_33xx_43xx_interconnect_data.o -obj-$(CONFIG_SOC_AM33XX) += omap_hwmod_33xx_43xx_ipblock_data.o -obj-$(CONFIG_SOC_AM43XX) += omap_hwmod_43xx_data.o -obj-$(CONFIG_SOC_AM43XX) += omap_hwmod_33xx_43xx_interconnect_data.o -obj-$(CONFIG_SOC_AM43XX) += omap_hwmod_33xx_43xx_ipblock_data.o obj-$(CONFIG_SOC_TI81XX) += omap_hwmod_81xx_data.o obj-$(CONFIG_ARCH_OMAP4) += omap_hwmod_44xx_data.o obj-$(CONFIG_SOC_OMAP5) += omap_hwmod_54xx_data.o diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 27608d1..060ba69 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -567,8 +567,6 @@ void __init am33xx_init_early(void) omap2_prcm_base_init(); am33xx_powerdomains_init(); am33xx_clockdomains_init(); - am33xx_hwmod_init(); - omap_hwmod_init_postsetup(); omap_clk_soc_init = am33xx_dt_clk_init; omap_secure_init(); } @@ -590,8 +588,6 @@ void __init am43xx_init_early(void) omap2_prcm_base_init(); am43xx_powerdomains_init(); am43xx_clockdomains_init(); - am43xx_hwmod_init(); - omap_hwmod_init_postsetup(); omap_l2_cache_init(); omap_clk_soc_init = am43xx_dt_clk_init; omap_secure_init(); diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 15b29a1..2310cd5 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -627,6 +627,9 @@ static struct clockdomain *_get_clkdm(struct omap_hwmod *oh) { struct clk_hw_omap *clk; + if (!oh) + return NULL; + if (oh->clkdm) { return oh->clkdm; } else if (oh->_clk) { @@ -3677,6 +3680,9 @@ static void __init omap_hwmod_setup_earlycon_flags(void) */ static int __init omap_hwmod_setup_all(void) { + if (!inited) + return 0; + _ensure_mpu_hwmod_is_setup(NULL); omap_hwmod_for_each(_init, NULL); diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h deleted file mode 100644 index e298410..0000000 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h +++ /dev/null @@ -1,57 +0,0 @@ -/* - * - * Copyright (C) 2013 Texas Instruments Incorporated - * - * Data common for AM335x and AM43x - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __ARCH_ARM_MACH_OMAP2_OMAP_HWMOD_33XX_43XX_COMMON_DATA_H -#define __ARCH_ARM_MACH_OMAP2_OMAP_HWMOD_33XX_43XX_COMMON_DATA_H - -extern struct omap_hwmod_ocp_if am33xx_mpu__l3_main; -extern struct omap_hwmod_ocp_if am33xx_l3_main__l3_s; -extern struct omap_hwmod_ocp_if am33xx_l3_s__l4_ls; -extern struct omap_hwmod_ocp_if am33xx_l3_s__l4_wkup; -extern struct omap_hwmod_ocp_if am33xx_l3_main__l3_instr; -extern struct omap_hwmod_ocp_if am33xx_mpu__prcm; -extern struct omap_hwmod_ocp_if am33xx_l3_s__l3_main; -extern struct omap_hwmod_ocp_if am33xx_gfx__l3_main; -extern struct omap_hwmod_ocp_if am33xx_l3_main__gfx; -extern struct omap_hwmod_ocp_if am33xx_l3_s__gpmc; -extern struct omap_hwmod_ocp_if am33xx_l4_ls__timer2; -extern struct omap_hwmod_ocp_if am33xx_l3_main__ocmc; - -extern struct omap_hwmod am33xx_l3_main_hwmod; -extern struct omap_hwmod am33xx_l3_s_hwmod; -extern struct omap_hwmod am33xx_l3_instr_hwmod; -extern struct omap_hwmod am33xx_l4_ls_hwmod; -extern struct omap_hwmod am33xx_l4_wkup_hwmod; -extern struct omap_hwmod am33xx_mpu_hwmod; -extern struct omap_hwmod am33xx_gfx_hwmod; -extern struct omap_hwmod am33xx_prcm_hwmod; -extern struct omap_hwmod am33xx_ocmcram_hwmod; -extern struct omap_hwmod am33xx_smartreflex0_hwmod; -extern struct omap_hwmod am33xx_smartreflex1_hwmod; -extern struct omap_hwmod am33xx_gpmc_hwmod; - -extern struct omap_hwmod_class am33xx_emif_hwmod_class; -extern struct omap_hwmod_class am33xx_l4_hwmod_class; -extern struct omap_hwmod_class am33xx_wkup_m3_hwmod_class; -extern struct omap_hwmod_class am33xx_control_hwmod_class; -extern struct omap_hwmod_class am33xx_timer_hwmod_class; -extern struct omap_hwmod_class am33xx_ehrpwm_hwmod_class; -extern struct omap_hwmod_class am33xx_spi_hwmod_class; - -void omap_hwmod_am33xx_reg(void); -void omap_hwmod_am43xx_reg(void); - -#endif diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_interconnect_data.c a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_interconnect_data.c deleted file mode 100644 index ab5146b..0000000 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_interconnect_data.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * - * Copyright (C) 2013 Texas Instruments Incorporated - * - * Interconnects common for AM335x and AM43x - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include -#include "omap_hwmod.h" -#include "omap_hwmod_33xx_43xx_common_data.h" - -/* mpu -> l3 main */ -struct omap_hwmod_ocp_if am33xx_mpu__l3_main = { - .master = &am33xx_mpu_hwmod, - .slave = &am33xx_l3_main_hwmod, - .clk = "dpll_mpu_m2_ck", - .user = OCP_USER_MPU, -}; - -/* l3 main -> l3 s */ -struct omap_hwmod_ocp_if am33xx_l3_main__l3_s = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_l3_s_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 s -> l4 per/ls */ -struct omap_hwmod_ocp_if am33xx_l3_s__l4_ls = { - .master = &am33xx_l3_s_hwmod, - .slave = &am33xx_l4_ls_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 s -> l4 wkup */ -struct omap_hwmod_ocp_if am33xx_l3_s__l4_wkup = { - .master = &am33xx_l3_s_hwmod, - .slave = &am33xx_l4_wkup_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 main -> l3 instr */ -struct omap_hwmod_ocp_if am33xx_l3_main__l3_instr = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_l3_instr_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* mpu -> prcm */ -struct omap_hwmod_ocp_if am33xx_mpu__prcm = { - .master = &am33xx_mpu_hwmod, - .slave = &am33xx_prcm_hwmod, - .clk = "dpll_mpu_m2_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 s -> l3 main*/ -struct omap_hwmod_ocp_if am33xx_l3_s__l3_main = { - .master = &am33xx_l3_s_hwmod, - .slave = &am33xx_l3_main_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3s cfg -> gpmc */ -struct omap_hwmod_ocp_if am33xx_l3_s__gpmc = { - .master = &am33xx_l3_s_hwmod, - .slave = &am33xx_gpmc_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU, -}; - -/* l3 main -> ocmc */ -struct omap_hwmod_ocp_if am33xx_l3_main__ocmc = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_ocmcram_hwmod, - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c deleted file mode 100644 index bcc120e..0000000 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * - * Copyright (C) 2013 Texas Instruments Incorporated - * - * Hwmod common for AM335x and AM43x - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include - -#include "omap_hwmod.h" -#include "cm33xx.h" -#include "prm33xx.h" -#include "omap_hwmod_33xx_43xx_common_data.h" -#include "prcm43xx.h" -#include "common.h" - -#define CLKCTRL(oh, clkctrl) ((oh).prcm.omap4.clkctrl_offs = (clkctrl)) -#define RSTCTRL(oh, rstctrl) ((oh).prcm.omap4.rstctrl_offs = (rstctrl)) -#define RSTST(oh, rstst) ((oh).prcm.omap4.rstst_offs = (rstst)) - -/* - * 'l3' class - * instance(s): l3_main, l3_s, l3_instr - */ -static struct omap_hwmod_class am33xx_l3_hwmod_class = { - .name = "l3", -}; - -struct omap_hwmod am33xx_l3_main_hwmod = { - .name = "l3_main", - .class = &am33xx_l3_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* l3_s */ -struct omap_hwmod am33xx_l3_s_hwmod = { - .name = "l3_s", - .class = &am33xx_l3_hwmod_class, - .clkdm_name = "l3s_clkdm", -}; - -/* l3_instr */ -struct omap_hwmod am33xx_l3_instr_hwmod = { - .name = "l3_instr", - .class = &am33xx_l3_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'l4' class - * instance(s): l4_ls, l4_hs, l4_wkup, l4_fw - */ -struct omap_hwmod_class am33xx_l4_hwmod_class = { - .name = "l4", -}; - -/* l4_ls */ -struct omap_hwmod am33xx_l4_ls_hwmod = { - .name = "l4_ls", - .class = &am33xx_l4_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* l4_wkup */ -struct omap_hwmod am33xx_l4_wkup_hwmod = { - .name = "l4_wkup", - .class = &am33xx_l4_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .prcm = { - .omap4 = { - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'mpu' class - */ -static struct omap_hwmod_class am33xx_mpu_hwmod_class = { - .name = "mpu", -}; - -struct omap_hwmod am33xx_mpu_hwmod = { - .name = "mpu", - .class = &am33xx_mpu_hwmod_class, - .clkdm_name = "mpu_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "dpll_mpu_m2_ck", - .prcm = { - .omap4 = { - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'wakeup m3' class - * Wakeup controller sub-system under wakeup domain - */ -struct omap_hwmod_class am33xx_wkup_m3_hwmod_class = { - .name = "wkup_m3", -}; - -/* - * 'prcm' class - * power and reset manager (whole prcm infrastructure) - */ -static struct omap_hwmod_class am33xx_prcm_hwmod_class = { - .name = "prcm", -}; - -/* prcm */ -struct omap_hwmod am33xx_prcm_hwmod = { - .name = "prcm", - .class = &am33xx_prcm_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", -}; - -/* - * 'emif' class - * instance(s): emif - */ -static struct omap_hwmod_class_sysconfig am33xx_emif_sysc = { - .rev_offs = 0x0000, -}; - -struct omap_hwmod_class am33xx_emif_hwmod_class = { - .name = "emif", - .sysc = &am33xx_emif_sysc, -}; - - - -/* ocmcram */ -static struct omap_hwmod_class am33xx_ocmcram_hwmod_class = { - .name = "ocmcram", -}; - -struct omap_hwmod am33xx_ocmcram_hwmod = { - .name = "ocmcram", - .class = &am33xx_ocmcram_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* 'smartreflex' class */ -static struct omap_hwmod_class am33xx_smartreflex_hwmod_class = { - .name = "smartreflex", -}; - -/* smartreflex0 */ -struct omap_hwmod am33xx_smartreflex0_hwmod = { - .name = "smartreflex0", - .class = &am33xx_smartreflex_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .main_clk = "smartreflex0_fck", - .prcm = { - .omap4 = { - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* smartreflex1 */ -struct omap_hwmod am33xx_smartreflex1_hwmod = { - .name = "smartreflex1", - .class = &am33xx_smartreflex_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .main_clk = "smartreflex1_fck", - .prcm = { - .omap4 = { - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'control' module class - */ -struct omap_hwmod_class am33xx_control_hwmod_class = { - .name = "control", -}; - - -/* gpmc */ -static struct omap_hwmod_class_sysconfig gpmc_sysc = { - .rev_offs = 0x0, - .sysc_offs = 0x10, - .syss_offs = 0x14, - .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class am33xx_gpmc_hwmod_class = { - .name = "gpmc", - .sysc = &gpmc_sysc, -}; - -struct omap_hwmod am33xx_gpmc_hwmod = { - .name = "gpmc", - .class = &am33xx_gpmc_hwmod_class, - .clkdm_name = "l3s_clkdm", - /* Skip reset for CONFIG_OMAP_GPMC_DEBUG for bootloader timings */ - .flags = DEBUG_OMAP_GPMC_HWMOD_FLAGS, - .main_clk = "l3s_gclk", - .prcm = { - .omap4 = { - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static void omap_hwmod_am33xx_clkctrl(void) -{ - CLKCTRL(am33xx_smartreflex0_hwmod, - AM33XX_CM_WKUP_SMARTREFLEX0_CLKCTRL_OFFSET); - CLKCTRL(am33xx_smartreflex1_hwmod, - AM33XX_CM_WKUP_SMARTREFLEX1_CLKCTRL_OFFSET); - CLKCTRL(am33xx_gpmc_hwmod, AM33XX_CM_PER_GPMC_CLKCTRL_OFFSET); - CLKCTRL(am33xx_l4_ls_hwmod, AM33XX_CM_PER_L4LS_CLKCTRL_OFFSET); - CLKCTRL(am33xx_l4_wkup_hwmod, AM33XX_CM_WKUP_L4WKUP_CLKCTRL_OFFSET); - CLKCTRL(am33xx_l3_main_hwmod, AM33XX_CM_PER_L3_CLKCTRL_OFFSET); - CLKCTRL(am33xx_mpu_hwmod , AM33XX_CM_MPU_MPU_CLKCTRL_OFFSET); - CLKCTRL(am33xx_l3_instr_hwmod , AM33XX_CM_PER_L3_INSTR_CLKCTRL_OFFSET); - CLKCTRL(am33xx_ocmcram_hwmod , AM33XX_CM_PER_OCMCRAM_CLKCTRL_OFFSET); -} - -void omap_hwmod_am33xx_reg(void) -{ - omap_hwmod_am33xx_clkctrl(); -} - -static void omap_hwmod_am43xx_clkctrl(void) -{ - CLKCTRL(am33xx_smartreflex0_hwmod, - AM43XX_CM_WKUP_SMARTREFLEX0_CLKCTRL_OFFSET); - CLKCTRL(am33xx_smartreflex1_hwmod, - AM43XX_CM_WKUP_SMARTREFLEX1_CLKCTRL_OFFSET); - CLKCTRL(am33xx_gpmc_hwmod, AM43XX_CM_PER_GPMC_CLKCTRL_OFFSET); - CLKCTRL(am33xx_l4_ls_hwmod, AM43XX_CM_PER_L4LS_CLKCTRL_OFFSET); - CLKCTRL(am33xx_l4_wkup_hwmod, AM43XX_CM_WKUP_L4WKUP_CLKCTRL_OFFSET); - CLKCTRL(am33xx_l3_main_hwmod, AM43XX_CM_PER_L3_CLKCTRL_OFFSET); - CLKCTRL(am33xx_mpu_hwmod , AM43XX_CM_MPU_MPU_CLKCTRL_OFFSET); - CLKCTRL(am33xx_l3_instr_hwmod , AM43XX_CM_PER_L3_INSTR_CLKCTRL_OFFSET); - CLKCTRL(am33xx_ocmcram_hwmod , AM43XX_CM_PER_OCMCRAM_CLKCTRL_OFFSET); -} - -void omap_hwmod_am43xx_reg(void) -{ - omap_hwmod_am43xx_clkctrl(); -} diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c deleted file mode 100644 index b232f6c..0000000 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * omap_hwmod_33xx_data.c: Hardware modules present on the AM33XX chips - * - * Copyright (C) {2012} Texas Instruments Incorporated - https://www.ti.com/ - * - * This file is automatically generated from the AM33XX hardware databases. - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include "omap_hwmod.h" -#include "omap_hwmod_common_data.h" - -#include "control.h" -#include "cm33xx.h" -#include "prm33xx.h" -#include "prm-regbits-33xx.h" -#include "omap_hwmod_33xx_43xx_common_data.h" - -/* - * IP blocks - */ - -/* emif */ -static struct omap_hwmod am33xx_emif_hwmod = { - .name = "emif", - .class = &am33xx_emif_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "dpll_ddr_m2_div2_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_EMIF_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* l4_hs */ -static struct omap_hwmod am33xx_l4_hs_hwmod = { - .name = "l4_hs", - .class = &am33xx_l4_hwmod_class, - .clkdm_name = "l4hs_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "l4hs_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_L4HS_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod_rst_info am33xx_wkup_m3_resets[] = { - { .name = "wkup_m3", .rst_shift = 3, .st_shift = 5 }, -}; - -/* wkup_m3 */ -static struct omap_hwmod am33xx_wkup_m3_hwmod = { - .name = "wkup_m3", - .class = &am33xx_wkup_m3_hwmod_class, - .clkdm_name = "l4_wkup_aon_clkdm", - /* Keep hardreset asserted */ - .flags = HWMOD_INIT_NO_RESET | HWMOD_NO_IDLEST, - .main_clk = "dpll_core_m4_div2_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_WKUP_M3_CLKCTRL_OFFSET, - .rstctrl_offs = AM33XX_RM_WKUP_RSTCTRL_OFFSET, - .rstst_offs = AM33XX_RM_WKUP_RSTST_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .rst_lines = am33xx_wkup_m3_resets, - .rst_lines_cnt = ARRAY_SIZE(am33xx_wkup_m3_resets), -}; - - -/* - * Modules omap_hwmod structures - * - * The following IPs are excluded for the moment because: - * - They do not need an explicit SW control using omap_hwmod API. - * - They still need to be validated with the driver - * properly adapted to omap_hwmod / omap_device - * - * - cEFUSE (doesn't fall under any ocp_if) - * - clkdiv32k - * - ocp watch point - */ -#if 0 -/* - * 'cefuse' class - */ -static struct omap_hwmod_class am33xx_cefuse_hwmod_class = { - .name = "cefuse", -}; - -static struct omap_hwmod am33xx_cefuse_hwmod = { - .name = "cefuse", - .class = &am33xx_cefuse_hwmod_class, - .clkdm_name = "l4_cefuse_clkdm", - .main_clk = "cefuse_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_CEFUSE_CEFUSE_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'clkdiv32k' class - */ -static struct omap_hwmod_class am33xx_clkdiv32k_hwmod_class = { - .name = "clkdiv32k", -}; - -static struct omap_hwmod am33xx_clkdiv32k_hwmod = { - .name = "clkdiv32k", - .class = &am33xx_clkdiv32k_hwmod_class, - .clkdm_name = "clk_24mhz_clkdm", - .main_clk = "clkdiv32k_ick", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_CLKDIV32K_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* ocpwp */ -static struct omap_hwmod_class am33xx_ocpwp_hwmod_class = { - .name = "ocpwp", -}; - -static struct omap_hwmod am33xx_ocpwp_hwmod = { - .name = "ocpwp", - .class = &am33xx_ocpwp_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_OCPWP_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; -#endif - -/* - * 'debugss' class - * debug sub system - */ -static struct omap_hwmod_opt_clk debugss_opt_clks[] = { - { .role = "dbg_sysclk", .clk = "dbg_sysclk_ck" }, - { .role = "dbg_clka", .clk = "dbg_clka_ck" }, -}; - -static struct omap_hwmod_class am33xx_debugss_hwmod_class = { - .name = "debugss", -}; - -static struct omap_hwmod am33xx_debugss_hwmod = { - .name = "debugss", - .class = &am33xx_debugss_hwmod_class, - .clkdm_name = "l3_aon_clkdm", - .main_clk = "trace_clk_div_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_DEBUGSS_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .opt_clks = debugss_opt_clks, - .opt_clks_cnt = ARRAY_SIZE(debugss_opt_clks), -}; - -static struct omap_hwmod am33xx_control_hwmod = { - .name = "control", - .class = &am33xx_control_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "dpll_core_m4_div2_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_CONTROL_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - - -/* - * Interfaces - */ - -/* l3 main -> emif */ -static struct omap_hwmod_ocp_if am33xx_l3_main__emif = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_emif_hwmod, - .clk = "dpll_core_m4_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 main -> l4 hs */ -static struct omap_hwmod_ocp_if am33xx_l3_main__l4_hs = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_l4_hs_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* wkup m3 -> l4 wkup */ -static struct omap_hwmod_ocp_if am33xx_wkup_m3__l4_wkup = { - .master = &am33xx_wkup_m3_hwmod, - .slave = &am33xx_l4_wkup_hwmod, - .clk = "dpll_core_m4_div2_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l4 wkup -> wkup m3 */ -static struct omap_hwmod_ocp_if am33xx_l4_wkup__wkup_m3 = { - .master = &am33xx_l4_wkup_hwmod, - .slave = &am33xx_wkup_m3_hwmod, - .clk = "dpll_core_m4_div2_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3_main -> debugss */ -static struct omap_hwmod_ocp_if am33xx_l3_main__debugss = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_debugss_hwmod, - .clk = "dpll_core_m4_ck", - .user = OCP_USER_MPU, -}; - -/* l4 wkup -> smartreflex0 */ -static struct omap_hwmod_ocp_if am33xx_l4_wkup__smartreflex0 = { - .master = &am33xx_l4_wkup_hwmod, - .slave = &am33xx_smartreflex0_hwmod, - .clk = "dpll_core_m4_div2_ck", - .user = OCP_USER_MPU, -}; - -/* l4 wkup -> smartreflex1 */ -static struct omap_hwmod_ocp_if am33xx_l4_wkup__smartreflex1 = { - .master = &am33xx_l4_wkup_hwmod, - .slave = &am33xx_smartreflex1_hwmod, - .clk = "dpll_core_m4_div2_ck", - .user = OCP_USER_MPU, -}; - -/* l4 wkup -> control */ -static struct omap_hwmod_ocp_if am33xx_l4_wkup__control = { - .master = &am33xx_l4_wkup_hwmod, - .slave = &am33xx_control_hwmod, - .clk = "dpll_core_m4_div2_ck", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if *am33xx_hwmod_ocp_ifs[] __initdata = { - &am33xx_l3_main__emif, - &am33xx_mpu__l3_main, - &am33xx_mpu__prcm, - &am33xx_l3_s__l4_ls, - &am33xx_l3_s__l4_wkup, - &am33xx_l3_main__l4_hs, - &am33xx_l3_main__l3_s, - &am33xx_l3_main__l3_instr, - &am33xx_l3_s__l3_main, - &am33xx_wkup_m3__l4_wkup, - &am33xx_l3_main__debugss, - &am33xx_l4_wkup__wkup_m3, - &am33xx_l4_wkup__control, - &am33xx_l4_wkup__smartreflex0, - &am33xx_l4_wkup__smartreflex1, - &am33xx_l3_s__gpmc, - &am33xx_l3_main__ocmc, - NULL, -}; - -int __init am33xx_hwmod_init(void) -{ - omap_hwmod_am33xx_reg(); - omap_hwmod_init(); - return omap_hwmod_register_links(am33xx_hwmod_ocp_ifs); -} diff --git a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c deleted file mode 100644 index b97cb74..0000000 --- a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2013 Texas Instruments Incorporated - * - * Hwmod present only in AM43x and those that differ other than register - * offsets as compared to AM335x. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include "omap_hwmod.h" -#include "omap_hwmod_33xx_43xx_common_data.h" -#include "prcm43xx.h" -#include "omap_hwmod_common_data.h" - -/* IP blocks */ -static struct omap_hwmod am43xx_emif_hwmod = { - .name = "emif", - .class = &am33xx_emif_hwmod_class, - .clkdm_name = "emif_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "dpll_ddr_m2_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM43XX_CM_PER_EMIF_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am43xx_l4_hs_hwmod = { - .name = "l4_hs", - .class = &am33xx_l4_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "l4hs_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM43XX_CM_PER_L4HS_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod_rst_info am33xx_wkup_m3_resets[] = { - { .name = "wkup_m3", .rst_shift = 3, .st_shift = 5 }, -}; - -static struct omap_hwmod am43xx_wkup_m3_hwmod = { - .name = "wkup_m3", - .class = &am33xx_wkup_m3_hwmod_class, - .clkdm_name = "l4_wkup_aon_clkdm", - /* Keep hardreset asserted */ - .flags = HWMOD_INIT_NO_RESET | HWMOD_NO_IDLEST, - .main_clk = "sys_clkin_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM43XX_CM_WKUP_WKUP_M3_CLKCTRL_OFFSET, - .rstctrl_offs = AM43XX_RM_WKUP_RSTCTRL_OFFSET, - .rstst_offs = AM43XX_RM_WKUP_RSTST_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .rst_lines = am33xx_wkup_m3_resets, - .rst_lines_cnt = ARRAY_SIZE(am33xx_wkup_m3_resets), -}; - -static struct omap_hwmod am43xx_control_hwmod = { - .name = "control", - .class = &am33xx_control_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .flags = HWMOD_INIT_NO_IDLE, - .main_clk = "sys_clkin_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM43XX_CM_WKUP_CONTROL_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* Interfaces */ -static struct omap_hwmod_ocp_if am43xx_l3_main__emif = { - .master = &am33xx_l3_main_hwmod, - .slave = &am43xx_emif_hwmod, - .clk = "dpll_core_m4_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -static struct omap_hwmod_ocp_if am43xx_l3_main__l4_hs = { - .master = &am33xx_l3_main_hwmod, - .slave = &am43xx_l4_hs_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -static struct omap_hwmod_ocp_if am43xx_wkup_m3__l4_wkup = { - .master = &am43xx_wkup_m3_hwmod, - .slave = &am33xx_l4_wkup_hwmod, - .clk = "sys_clkin_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -static struct omap_hwmod_ocp_if am43xx_l4_wkup__wkup_m3 = { - .master = &am33xx_l4_wkup_hwmod, - .slave = &am43xx_wkup_m3_hwmod, - .clk = "sys_clkin_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -static struct omap_hwmod_ocp_if am43xx_l4_wkup__smartreflex0 = { - .master = &am33xx_l4_wkup_hwmod, - .slave = &am33xx_smartreflex0_hwmod, - .clk = "sys_clkin_ck", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am43xx_l4_wkup__smartreflex1 = { - .master = &am33xx_l4_wkup_hwmod, - .slave = &am33xx_smartreflex1_hwmod, - .clk = "sys_clkin_ck", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am43xx_l4_wkup__control = { - .master = &am33xx_l4_wkup_hwmod, - .slave = &am43xx_control_hwmod, - .clk = "sys_clkin_ck", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if *am43xx_hwmod_ocp_ifs[] __initdata = { - &am33xx_mpu__l3_main, - &am33xx_mpu__prcm, - &am33xx_l3_s__l4_ls, - &am33xx_l3_s__l4_wkup, - &am43xx_l3_main__l4_hs, - &am33xx_l3_main__l3_s, - &am33xx_l3_main__l3_instr, - &am33xx_l3_s__l3_main, - &am43xx_l3_main__emif, - &am43xx_wkup_m3__l4_wkup, - &am43xx_l4_wkup__wkup_m3, - &am43xx_l4_wkup__control, - &am43xx_l4_wkup__smartreflex0, - &am43xx_l4_wkup__smartreflex1, - &am33xx_l3_s__gpmc, - &am33xx_l3_main__ocmc, - NULL, -}; - -int __init am43xx_hwmod_init(void) -{ - int ret; - - omap_hwmod_am43xx_reg(); - omap_hwmod_init(); - ret = omap_hwmod_register_links(am43xx_hwmod_ocp_ifs); - - return ret; -} diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 37c5911..6aa3b8e 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -353,42 +353,6 @@ static struct omap_hwmod omap44xx_emif2_hwmod = { }, }; -/* - * 'gpmc' class - * general purpose memory controller - */ - -static struct omap_hwmod_class_sysconfig omap44xx_gpmc_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0010, - .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class omap44xx_gpmc_hwmod_class = { - .name = "gpmc", - .sysc = &omap44xx_gpmc_sysc, -}; - -/* gpmc */ -static struct omap_hwmod omap44xx_gpmc_hwmod = { - .name = "gpmc", - .class = &omap44xx_gpmc_hwmod_class, - .clkdm_name = "l3_2_clkdm", - /* Skip reset for CONFIG_OMAP_GPMC_DEBUG for bootloader timings */ - .flags = DEBUG_OMAP_GPMC_HWMOD_FLAGS, - .prcm = { - .omap4 = { - .clkctrl_offs = OMAP4_CM_L3_2_GPMC_CLKCTRL_OFFSET, - .context_offs = OMAP4_RM_L3_2_GPMC_CONTEXT_OFFSET, - .modulemode = MODULEMODE_HWCTRL, - }, - }, -}; - /* * 'iss' class * external images sensor pixel data processor @@ -440,39 +404,6 @@ static struct omap_hwmod omap44xx_iss_hwmod = { .opt_clks_cnt = ARRAY_SIZE(iss_opt_clks), }; -/* - * 'iva' class - * multi-standard video encoder/decoder hardware accelerator - */ - -static struct omap_hwmod_class omap44xx_iva_hwmod_class = { - .name = "iva", -}; - -/* iva */ -static struct omap_hwmod_rst_info omap44xx_iva_resets[] = { - { .name = "seq0", .rst_shift = 0 }, - { .name = "seq1", .rst_shift = 1 }, - { .name = "logic", .rst_shift = 2 }, -}; - -static struct omap_hwmod omap44xx_iva_hwmod = { - .name = "iva", - .class = &omap44xx_iva_hwmod_class, - .clkdm_name = "ivahd_clkdm", - .rst_lines = omap44xx_iva_resets, - .rst_lines_cnt = ARRAY_SIZE(omap44xx_iva_resets), - .main_clk = "dpll_iva_m5x2_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = OMAP4_CM_IVAHD_IVAHD_CLKCTRL_OFFSET, - .rstctrl_offs = OMAP4_RM_IVAHD_RSTCTRL_OFFSET, - .context_offs = OMAP4_RM_IVAHD_IVAHD_CONTEXT_OFFSET, - .modulemode = MODULEMODE_HWCTRL, - }, - }, -}; - /* * 'mpu' class * mpu sub-system @@ -644,14 +575,6 @@ static struct omap_hwmod_ocp_if omap44xx_mpu__dmm = { .user = OCP_USER_MPU, }; -/* iva -> l3_instr */ -static struct omap_hwmod_ocp_if omap44xx_iva__l3_instr = { - .master = &omap44xx_iva_hwmod, - .slave = &omap44xx_l3_instr_hwmod, - .clk = "l3_div_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - /* l3_main_3 -> l3_instr */ static struct omap_hwmod_ocp_if omap44xx_l3_main_3__l3_instr = { .master = &omap44xx_l3_main_3_hwmod, @@ -708,14 +631,6 @@ static struct omap_hwmod_ocp_if omap44xx_iss__l3_main_2 = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; -/* iva -> l3_main_2 */ -static struct omap_hwmod_ocp_if omap44xx_iva__l3_main_2 = { - .master = &omap44xx_iva_hwmod, - .slave = &omap44xx_l3_main_2_hwmod, - .clk = "l3_div_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - /* l3_main_1 -> l3_main_2 */ static struct omap_hwmod_ocp_if omap44xx_l3_main_1__l3_main_2 = { .master = &omap44xx_l3_main_1_hwmod, @@ -836,14 +751,6 @@ static struct omap_hwmod_ocp_if omap44xx_l3_instr__debugss = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; -/* l3_main_2 -> gpmc */ -static struct omap_hwmod_ocp_if omap44xx_l3_main_2__gpmc = { - .master = &omap44xx_l3_main_2_hwmod, - .slave = &omap44xx_gpmc_hwmod, - .clk = "l3_div_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - /* l3_main_2 -> iss */ static struct omap_hwmod_ocp_if omap44xx_l3_main_2__iss = { .master = &omap44xx_l3_main_2_hwmod, @@ -852,22 +759,6 @@ static struct omap_hwmod_ocp_if omap44xx_l3_main_2__iss = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; -/* iva -> sl2if */ -static struct omap_hwmod_ocp_if __maybe_unused omap44xx_iva__sl2if = { - .master = &omap44xx_iva_hwmod, - .slave = &omap44xx_sl2if_hwmod, - .clk = "dpll_iva_m5x2_ck", - .user = OCP_USER_IVA, -}; - -/* l3_main_2 -> iva */ -static struct omap_hwmod_ocp_if omap44xx_l3_main_2__iva = { - .master = &omap44xx_l3_main_2_hwmod, - .slave = &omap44xx_iva_hwmod, - .clk = "l3_div_ck", - .user = OCP_USER_MPU, -}; - /* l3_main_2 -> ocmc_ram */ static struct omap_hwmod_ocp_if omap44xx_l3_main_2__ocmc_ram = { .master = &omap44xx_l3_main_2_hwmod, @@ -943,7 +834,6 @@ static struct omap_hwmod_ocp_if omap44xx_mpu__emif2 = { static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = { &omap44xx_l3_main_1__dmm, &omap44xx_mpu__dmm, - &omap44xx_iva__l3_instr, &omap44xx_l3_main_3__l3_instr, &omap44xx_ocp_wp_noc__l3_instr, &omap44xx_l3_main_2__l3_main_1, @@ -951,7 +841,6 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = { &omap44xx_mpu__l3_main_1, &omap44xx_debugss__l3_main_2, &omap44xx_iss__l3_main_2, - &omap44xx_iva__l3_main_2, &omap44xx_l3_main_1__l3_main_2, &omap44xx_l4_cfg__l3_main_2, &omap44xx_l3_main_1__l3_main_3, @@ -967,10 +856,7 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = { &omap44xx_l4_wkup__ctrl_module_wkup, &omap44xx_l4_wkup__ctrl_module_pad_wkup, &omap44xx_l3_instr__debugss, - &omap44xx_l3_main_2__gpmc, &omap44xx_l3_main_2__iss, - /* &omap44xx_iva__sl2if, */ - &omap44xx_l3_main_2__iva, &omap44xx_l3_main_2__ocmc_ram, &omap44xx_mpu_private__prcm_mpu, &omap44xx_l4_wkup__cm_core_aon, diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 05e163c..48c2a80 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c @@ -242,46 +242,6 @@ static struct omap_hwmod dra7xx_ctrl_module_wkup_hwmod = { }, }; -/* - * 'gpmc' class - * - */ - -static struct omap_hwmod_class_sysconfig dra7xx_gpmc_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0010, - .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class dra7xx_gpmc_hwmod_class = { - .name = "gpmc", - .sysc = &dra7xx_gpmc_sysc, -}; - -/* gpmc */ - -static struct omap_hwmod dra7xx_gpmc_hwmod = { - .name = "gpmc", - .class = &dra7xx_gpmc_hwmod_class, - .clkdm_name = "l3main1_clkdm", - /* Skip reset for CONFIG_OMAP_GPMC_DEBUG for bootloader timings */ - .flags = DEBUG_OMAP_GPMC_HWMOD_FLAGS, - .main_clk = "l3_iclk_div", - .prcm = { - .omap4 = { - .clkctrl_offs = DRA7XX_CM_L3MAIN1_GPMC_CLKCTRL_OFFSET, - .context_offs = DRA7XX_RM_L3MAIN1_GPMC_CONTEXT_OFFSET, - .modulemode = MODULEMODE_HWCTRL, - }, - }, -}; - - - /* * 'mpu' class * @@ -611,14 +571,6 @@ static struct omap_hwmod_ocp_if dra7xx_l4_wkup__ctrl_module_wkup = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; -/* l3_main_1 -> gpmc */ -static struct omap_hwmod_ocp_if dra7xx_l3_main_1__gpmc = { - .master = &dra7xx_l3_main_1_hwmod, - .slave = &dra7xx_gpmc_hwmod, - .clk = "l3_iclk_div", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - /* l4_cfg -> mpu */ static struct omap_hwmod_ocp_if dra7xx_l4_cfg__mpu = { .master = &dra7xx_l4_cfg_hwmod, @@ -722,7 +674,6 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = { &dra7xx_l4_per2__atl, &dra7xx_l3_main_1__bb2d, &dra7xx_l4_wkup__ctrl_module_wkup, - &dra7xx_l3_main_1__gpmc, &dra7xx_l4_cfg__mpu, &dra7xx_l3_main_1__pciess1, &dra7xx_l4_cfg__pciess1, diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index 2a4fe3e..cd38bf0 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -94,6 +94,7 @@ static void __init hsmmc2_internal_input_clk(void) omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1); } +#ifdef CONFIG_OMAP_HWMOD static struct iommu_platform_data omap3_iommu_pdata = { .reset_name = "mmu", .assert_reset = omap_device_assert_hardreset, @@ -106,6 +107,7 @@ static struct iommu_platform_data omap3_iommu_isp_pdata = { .device_enable = omap_device_enable, .device_idle = omap_device_idle, }; +#endif static int omap3_sbc_t3730_twl_callback(struct device *dev, unsigned gpio, @@ -272,14 +274,6 @@ static void __init omap3_pandora_legacy_init(void) } #endif /* CONFIG_ARCH_OMAP3 */ -#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) -static struct wkup_m3_platform_data wkup_m3_data = { - .reset_name = "wkup_m3", - .assert_reset = omap_device_assert_hardreset, - .deassert_reset = omap_device_deassert_hardreset, -}; -#endif - #ifdef CONFIG_SOC_OMAP5 static void __init omap5_uevm_legacy_init(void) { @@ -370,6 +364,7 @@ static void ti_sysc_clkdm_allow_idle(struct device *dev, clkdm_allow_idle(cookie->clkdm); } +#ifdef CONFIG_OMAP_HWMOD static int ti_sysc_enable_module(struct device *dev, const struct ti_sysc_cookie *cookie) { @@ -396,6 +391,7 @@ static int ti_sysc_shutdown_module(struct device *dev, return omap_hwmod_shutdown(cookie->data); } +#endif /* CONFIG_OMAP_HWMOD */ static bool ti_sysc_soc_type_gp(void) { @@ -410,10 +406,12 @@ static struct ti_sysc_platform_data ti_sysc_pdata = { .init_clockdomain = ti_sysc_clkdm_init, .clkdm_deny_idle = ti_sysc_clkdm_deny_idle, .clkdm_allow_idle = ti_sysc_clkdm_allow_idle, +#ifdef CONFIG_OMAP_HWMOD .init_module = omap_hwmod_init_module, .enable_module = ti_sysc_enable_module, .idle_module = ti_sysc_idle_module, .shutdown_module = ti_sysc_shutdown_module, +#endif }; static struct pcs_pdata pcs_pdata; @@ -501,14 +499,6 @@ static struct of_dev_auxdata omap_auxdata_lookup[] = { OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata), #endif #endif -#ifdef CONFIG_SOC_AM33XX - OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3", - &wkup_m3_data), -#endif -#ifdef CONFIG_SOC_AM43XX - OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3", - &wkup_m3_data), -#endif #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000, "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]), @@ -580,6 +570,8 @@ static void pdata_quirks_check(struct pdata_init *quirks) void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table) { + struct device_node *np; + /* * We still need this for omap2420 and omap3 PM to work, others are * using drivers/misc/sram.c already. @@ -591,6 +583,15 @@ void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table) if (of_machine_is_compatible("ti,omap3")) omap3_mcbsp_init(); pdata_quirks_check(auxdata_quirks); + + /* Populate always-on PRCM in l4_wkup to probe l4_wkup */ + np = of_find_node_by_name(NULL, "prcm"); + if (!np) + np = of_find_node_by_name(NULL, "prm"); + if (np) + of_platform_populate(np, omap_dt_match_table, + omap_auxdata_lookup, NULL); + of_platform_populate(NULL, omap_dt_match_table, omap_auxdata_lookup, NULL); pdata_quirks_check(pdata_quirks); diff --git a/drivers/Makefile b/drivers/Makefile index 5762280..6a31eca 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -56,6 +56,9 @@ obj-$(CONFIG_RESET_CONTROLLER) += reset/ obj-y += tty/ obj-y += char/ +# put mmc early as many morden devices use emm/sd card as rootfs storage +obj-y += mmc/ + # iommu/ comes before gpu as gpu are using iommu controllers obj-y += iommu/ @@ -128,7 +131,6 @@ obj-$(CONFIG_EISA) += eisa/ obj-$(CONFIG_PM_OPP) += opp/ obj-$(CONFIG_CPU_FREQ) += cpufreq/ obj-$(CONFIG_CPU_IDLE) += cpuidle/ -obj-y += mmc/ obj-$(CONFIG_MEMSTICK) += memstick/ obj-$(CONFIG_NEW_LEDS) += leds/ obj-$(CONFIG_INFINIBAND) += infiniband/ diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 818dc7f..1828bba 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -898,8 +898,12 @@ static int sysc_ioremap(struct sysc *ddata) */ static int sysc_map_and_check_registers(struct sysc *ddata) { + struct device_node *np = ddata->dev->of_node; int error; + if (!of_get_property(np, "reg", NULL)) + return 0; + error = sysc_parse_and_check_child_range(ddata); if (error) return error; @@ -1271,10 +1275,10 @@ static int __maybe_unused sysc_runtime_suspend(struct device *dev) ddata->enabled = false; err_allow_idle: - reset_control_assert(ddata->rsts); - sysc_clkdm_allow_idle(ddata); + reset_control_assert(ddata->rsts); + return error; } @@ -2051,6 +2055,7 @@ static int sysc_reset(struct sysc *ddata) */ static int sysc_init_module(struct sysc *ddata) { + bool rstctrl_deasserted = false; int error = 0; error = sysc_clockdomain_init(ddata); @@ -2075,6 +2080,7 @@ static int sysc_init_module(struct sysc *ddata) error = reset_control_deassert(ddata->rsts); if (error) goto err_main_clocks; + rstctrl_deasserted = true; } ddata->revision = sysc_read_revision(ddata); @@ -2084,13 +2090,13 @@ static int sysc_init_module(struct sysc *ddata) if (ddata->legacy_mode) { error = sysc_legacy_init(ddata); if (error) - goto err_reset; + goto err_main_clocks; } if (!ddata->legacy_mode) { error = sysc_enable_module(ddata->dev); if (error) - goto err_reset; + goto err_main_clocks; } error = sysc_reset(ddata); @@ -2100,10 +2106,6 @@ static int sysc_init_module(struct sysc *ddata) if (error && !ddata->legacy_mode) sysc_disable_module(ddata->dev); -err_reset: - if (error && !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) - reset_control_assert(ddata->rsts); - err_main_clocks: if (error) sysc_disable_main_clocks(ddata); @@ -2114,6 +2116,10 @@ err_opt_clocks: sysc_clkdm_allow_idle(ddata); } + if (error && rstctrl_deasserted && + !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) + reset_control_assert(ddata->rsts); + return error; } @@ -3015,6 +3021,9 @@ static int sysc_probe(struct platform_device *pdev) if (!ddata) return -ENOMEM; + ddata->offsets[SYSC_REVISION] = -ENODEV; + ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; + ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; ddata->dev = &pdev->dev; platform_set_drvdata(pdev, ddata); @@ -3081,9 +3090,6 @@ static int sysc_probe(struct platform_device *pdev) } /* Balance use counts as PM runtime should have enabled these all */ - if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) - reset_control_assert(ddata->rsts); - if (!(ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | SYSC_QUIRK_NO_IDLE_ON_INIT))) { sysc_disable_main_clocks(ddata); @@ -3091,6 +3097,9 @@ static int sysc_probe(struct platform_device *pdev) sysc_clkdm_allow_idle(ddata); } + if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) + reset_control_assert(ddata->rsts); + sysc_show_registers(ddata); ddata->dev->type = &sysc_device_type; diff --git a/drivers/clk/ti/clk-33xx.c b/drivers/clk/ti/clk-33xx.c index 7dc30dd..f2c2212 100644 --- a/drivers/clk/ti/clk-33xx.c +++ b/drivers/clk/ti/clk-33xx.c @@ -266,6 +266,8 @@ static const char *enable_init_clks[] = { "dpll_ddr_m2_ck", "dpll_mpu_m2_ck", "l3_gclk", + /* AM3_L3_L3_MAIN_CLKCTRL, needed during suspend */ + "l3-clkctrl:00bc:0", "l4hs_gclk", "l4fw_gclk", "l4ls_gclk", diff --git a/drivers/clk/ti/clk-43xx.c b/drivers/clk/ti/clk-43xx.c index e5538d5..46c0add 100644 --- a/drivers/clk/ti/clk-43xx.c +++ b/drivers/clk/ti/clk-43xx.c @@ -272,6 +272,11 @@ static struct ti_dt_clk am43xx_clks[] = { { .node_name = NULL }, }; +static const char *enable_init_clks[] = { + /* AM4_L3_L3_MAIN_CLKCTRL, needed during suspend */ + "l3-clkctrl:0000:0", +}; + int __init am43xx_dt_clk_init(void) { struct clk *clk1, *clk2; @@ -283,6 +288,9 @@ int __init am43xx_dt_clk_init(void) omap2_clk_disable_autoidle_all(); + omap2_clk_enable_init_clocks(enable_init_clks, + ARRAY_SIZE(enable_init_clks)); + ti_clk_add_aliases(); /* diff --git a/drivers/clk/ti/clk-44xx.c b/drivers/clk/ti/clk-44xx.c index a38c921..d078e5d 100644 --- a/drivers/clk/ti/clk-44xx.c +++ b/drivers/clk/ti/clk-44xx.c @@ -255,7 +255,7 @@ static const struct omap_clkctrl_reg_data omap4_l3_instr_clkctrl_regs[] __initco }; static const struct omap_clkctrl_reg_data omap4_ivahd_clkctrl_regs[] __initconst = { - { OMAP4_IVA_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_iva_m5x2_ck" }, + { OMAP4_IVA_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_NO_IDLEST, "dpll_iva_m5x2_ck" }, { OMAP4_SL2IF_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_iva_m5x2_ck" }, { 0 }, }; diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index 4e27f88..8b9118c 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -252,6 +252,12 @@ static const struct omap_clkctrl_reg_data dra7_l3instr_clkctrl_regs[] __initcons { 0 }, }; +static const struct omap_clkctrl_reg_data dra7_iva_clkctrl_regs[] __initconst = { + { DRA7_IVA_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_NO_IDLEST, "dpll_iva_h12x2_ck" }, + { DRA7_SL2IF_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_iva_h12x2_ck" }, + { 0 }, +}; + static const char * const dra7_dss_dss_clk_parents[] __initconst = { "dpll_per_h12x2_ck", NULL, @@ -827,6 +833,7 @@ const struct omap_clkctrl_data dra7_clkctrl_data[] __initconst = { { 0x4a008c00, dra7_atl_clkctrl_regs }, { 0x4a008d20, dra7_l4cfg_clkctrl_regs }, { 0x4a008e20, dra7_l3instr_clkctrl_regs }, + { 0x4a008f20, dra7_iva_clkctrl_regs }, { 0x4a009020, dra7_cam_clkctrl_regs }, { 0x4a009120, dra7_dss_clkctrl_regs }, { 0x4a009220, dra7_gpu_clkctrl_regs }, diff --git a/drivers/gnss/serial.c b/drivers/gnss/serial.c index def64b3..473faee 100644 --- a/drivers/gnss/serial.c +++ b/drivers/gnss/serial.c @@ -110,10 +110,9 @@ static int gnss_serial_set_power(struct gnss_serial *gserial, static int gnss_serial_parse_dt(struct serdev_device *serdev) { struct gnss_serial *gserial = serdev_device_get_drvdata(serdev); - struct device_node *node = serdev->dev.of_node; u32 speed = 4800; - of_property_read_u32(node, "current-speed", &speed); + device_property_read_u32(&serdev->dev, "current-speed", &speed); gserial->speed = speed; diff --git a/drivers/gnss/ubx.c b/drivers/gnss/ubx.c index 7b05bc4..e50056c 100644 --- a/drivers/gnss/ubx.c +++ b/drivers/gnss/ubx.c @@ -138,6 +138,14 @@ static const struct of_device_id ubx_of_match[] = { MODULE_DEVICE_TABLE(of, ubx_of_match); #endif +static const struct serdev_device_id ubx_serdev_id[] = { + { "neo-6m", }, + { "neo-8", }, + { "neo-m8", }, + {} +}; +MODULE_DEVICE_TABLE(serdev, ubx_serdev_id); + static struct serdev_device_driver ubx_driver = { .driver = { .name = "gnss-ubx", @@ -146,6 +154,7 @@ static struct serdev_device_driver ubx_driver = { }, .probe = ubx_probe, .remove = ubx_remove, + .id_table = ubx_serdev_id, }; module_serdev_device_driver(ubx_driver); diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d1300fc..049d489 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -94,6 +94,20 @@ config GPIO_CDEV_V1 If unsure, say Y. +config GPIO_OF_HELPER + bool "GPIO OF helper device (EXPERIMENTAL)" + depends on OF_GPIO + help + Say Y here to add an GPIO OF helper driver + + Allows you specify a GPIO helper based on OF + which allows simple export of GPIO functionality + in user-space. + + Features include, value set/get, direction control, + interrupt/value change poll support, event counting + and others. + config GPIO_GENERIC depends on HAS_IOMEM # Only for IOMEM drivers tristate diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 09dada8..649544f 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_OF_GPIO) += gpiolib-of.o obj-$(CONFIG_GPIO_CDEV) += gpiolib-cdev.o obj-$(CONFIG_GPIO_SYSFS) += gpiolib-sysfs.o obj-$(CONFIG_GPIO_ACPI) += gpiolib-acpi.o +obj-$(CONFIG_GPIO_OF_HELPER) += gpio-of-helper.o # Device drivers. Generally keep list sorted alphabetically obj-$(CONFIG_GPIO_REGMAP) += gpio-regmap.o diff --git b/drivers/gpio/gpio-of-helper.c b/drivers/gpio/gpio-of-helper.c new file mode 100644 index 0000000..54479fc --- /dev/null +++ b/drivers/gpio/gpio-of-helper.c @@ -0,0 +1,420 @@ +/* + * GPIO OF based helper + * + * A simple DT based driver to provide access to GPIO functionality + * to user-space via sysfs. + * + * Copyright (C) 2013 Pantelis Antoniou + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* fwd decl. */ +struct gpio_of_helper_info; + +enum gpio_type { + GPIO_TYPE_INPUT = 0, + GPIO_TYPE_OUTPUT = 1, +}; + +struct gpio_of_entry { + int id; + struct gpio_of_helper_info *info; + struct device_node *node; + enum gpio_type type; + int gpio; + int irq; + const char *name; + atomic64_t counter; + unsigned int count_flags; +#define COUNT_RISING_EDGE (1 << 0) +#define COUNT_FALLING_EDGE (1 << 1) +}; + +struct gpio_of_helper_info { + struct platform_device *pdev; + struct idr idr; +}; + +static const struct of_device_id gpio_of_helper_of_match[] = { + { + .compatible = "gpio-of-helper", + }, + { }, +}; +MODULE_DEVICE_TABLE(of, gpio_of_helper_of_match); + +static ssize_t gpio_of_helper_show_status(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct platform_device *pdev = to_platform_device(dev); + struct gpio_of_helper_info *info = platform_get_drvdata(pdev); + struct gpio_of_entry *entry; + char *p, *e; + int id, n; + + p = buf; + e = p + PAGE_SIZE; + n = 0; + idr_for_each_entry(&info->idr, entry, id) { + switch (entry->type) { + case GPIO_TYPE_INPUT: + n = snprintf(p, e - p, "%2d %-24s %3d %-3s %llu\n", + entry->id, entry->name, entry->gpio, "IN", + (unsigned long long) + atomic64_read(&entry->counter)); + break; + case GPIO_TYPE_OUTPUT: + n = snprintf(p, e - p, "%2d %-24s %3d %-3s\n", + entry->id, entry->name, entry->gpio, "OUT"); + break; + } + p += n; + } + + return p - buf; +} + +static DEVICE_ATTR(status, S_IRUGO, + gpio_of_helper_show_status, NULL); + +static irqreturn_t gpio_of_helper_handler(int irq, void *ptr) +{ + struct gpio_of_entry *entry = ptr; + + /* caution - low speed interfaces only! */ + atomic64_inc(&entry->counter); + + return IRQ_HANDLED; +} + +static struct gpio_of_entry * +gpio_of_entry_create(struct gpio_of_helper_info *info, + struct device_node *node) +{ + struct platform_device *pdev = info->pdev; + struct device *dev = &pdev->dev; + struct gpio_of_entry *entry; + int err, gpio, irq; + unsigned int req_flags, count_flags, irq_flags; + enum gpio_type type; + enum of_gpio_flags gpio_flags; + const char *name; + + /* get the type of the node first */ + if (of_property_read_bool(node, "input")) + type = GPIO_TYPE_INPUT; + else if (of_property_read_bool(node, "output") + || of_property_read_bool(node, "init-low") + || of_property_read_bool(node, "init-high")) + type = GPIO_TYPE_OUTPUT; + else { + dev_err(dev, "Not valid gpio node type\n"); + err = -EINVAL; + goto err_bad_node; + } + + /* get the name */ + if (of_property_read_string(node, "line-name", &name)) + if (of_property_read_string(node, "gpio-name", &name)) + name = node->name; + + err = of_get_named_gpio_flags(node, "gpio", 0, &gpio_flags); + if (IS_ERR_VALUE(err)) { + dev_err(dev, "Failed to get gpio property of '%s'\n", name); + goto err_bad_node; + } + gpio = err; + + req_flags = 0; + count_flags = 0; + + /* set the request flags */ + switch (type) { + case GPIO_TYPE_INPUT: + req_flags = GPIOF_DIR_IN | GPIOF_EXPORT; + if (of_property_read_bool(node, "count-falling-edge")) + count_flags |= COUNT_FALLING_EDGE; + if (of_property_read_bool(node, "count-rising-edge")) + count_flags |= COUNT_RISING_EDGE; + break; + case GPIO_TYPE_OUTPUT: + req_flags = GPIOF_DIR_OUT | GPIOF_EXPORT; + if (of_property_read_bool(node, "init-high")) + req_flags |= GPIOF_OUT_INIT_HIGH; + else if (of_property_read_bool(node, "init-low")) + req_flags |= GPIOF_OUT_INIT_LOW; + break; + } + if (of_property_read_bool(node, "dir-changeable")) + req_flags |= GPIOF_EXPORT_CHANGEABLE; + if (gpio_flags & OF_GPIO_ACTIVE_LOW) + req_flags |= GPIOF_ACTIVE_LOW; + if (gpio_flags & OF_GPIO_SINGLE_ENDED) { + if (gpio_flags & OF_GPIO_ACTIVE_LOW) + req_flags |= GPIOF_OPEN_DRAIN; + else + req_flags |= GPIOF_OPEN_SOURCE; + } + + /* request the gpio */ + err = devm_gpio_request_one(dev, gpio, req_flags, name); + if (err != 0) { + dev_err(dev, "Failed to request gpio '%s'\n", name); + goto err_bad_node; + } + + irq = -1; + irq_flags = 0; + + /* counter mode requested - need an interrupt */ + if (count_flags != 0) { + irq = gpio_to_irq(gpio); + if (IS_ERR_VALUE(irq)) { + dev_err(dev, "Failed to request gpio '%s'\n", name); + goto err_bad_node; + } + + if (count_flags & COUNT_RISING_EDGE) + irq_flags |= IRQF_TRIGGER_RISING; + if (count_flags & COUNT_FALLING_EDGE) + irq_flags |= IRQF_TRIGGER_FALLING; + } + + idr_preload(GFP_KERNEL); + + entry = devm_kzalloc(dev, sizeof(*entry), GFP_KERNEL); + if (entry == NULL) { + dev_err(dev, "Failed to allocate gpio entry of '%s'\n", name); + err = -ENOMEM; + goto err_no_mem; + } + + entry->id = -1; + entry->info = info; + entry->node = of_node_get(node); /* get node reference */ + entry->type = type; + entry->gpio = gpio; + entry->irq = irq; + entry->name = name; + + /* interrupt enable is last thing done */ + if (irq >= 0) { + atomic64_set(&entry->counter, 0); + entry->count_flags = count_flags; + err = devm_request_irq(dev, irq, gpio_of_helper_handler, + irq_flags, name, entry); + if (err != 0) { + dev_err(dev, "Failed to request irq of '%s'\n", name); + goto err_no_irq; + } + } + + err = idr_alloc(&info->idr, entry, 0, 0, GFP_NOWAIT); + if (err >= 0) + entry->id = err; + + idr_preload_end(); + + if (err < 0) { + dev_err(dev, "Failed to idr_get_new of '%s'\n", name); + goto err_fail_idr; + } + + dev_info(dev, "Allocated GPIO id=%d name='%s'\n", entry->id, name); + + return entry; + +err_fail_idr: + /* nothing to do */ +err_no_irq: + /* release node ref */ + of_node_put(node); + /* nothing else needs to be done, devres handles it */ +err_no_mem: +err_bad_node: + return ERR_PTR(err); +} + +static int gpio_of_entry_destroy(struct gpio_of_entry *entry) +{ + struct gpio_of_helper_info *info = entry->info; + struct platform_device *pdev = info->pdev; + struct device *dev = &pdev->dev; + + dev_dbg(dev, "Destroying GPIO id=%d\n", entry->id); + + /* remove from the IDR */ + idr_remove(&info->idr, entry->id); + + /* remove node ref */ + of_node_put(entry->node); + + /* free gpio */ + devm_gpio_free(dev, entry->gpio); + + /* gree irq */ + if (entry->irq >= 0) + devm_free_irq(dev, entry->irq, entry); + + /* and free */ + devm_kfree(dev, entry); + + return 0; +} + +static int gpio_of_helper_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct gpio_of_helper_info *info; + struct gpio_of_entry *entry; + struct device_node *pnode = pdev->dev.of_node; + struct device_node *cnode; + struct pinctrl *pinctrl; + int err; + + /* we only support OF */ + if (pnode == NULL) { + dev_err(&pdev->dev, "No platform of_node!\n"); + return -ENODEV; + } + + pinctrl = devm_pinctrl_get_select_default(&pdev->dev); + if (IS_ERR(pinctrl)) { + /* special handling for probe defer */ + if (PTR_ERR(pinctrl) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + dev_warn(&pdev->dev, + "pins are not configured from the driver\n"); + } + + info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); + if (info == NULL) { + dev_err(&pdev->dev, "Failed to allocate info\n"); + err = -ENOMEM; + goto err_no_mem; + } + platform_set_drvdata(pdev, info); + info->pdev = pdev; + + idr_init(&info->idr); + + err = device_create_file(dev, &dev_attr_status); + if (err != 0) { + dev_err(dev, "Failed to create status sysfs attribute\n"); + goto err_no_sysfs; + } + + for_each_child_of_node(pnode, cnode) { + + entry = gpio_of_entry_create(info, cnode); + if (IS_ERR_OR_NULL(entry)) { + dev_err(dev, "Failed to create gpio entry\n"); + err = PTR_ERR(entry); + goto err_fail_entry; + } + } + + dev_info(&pdev->dev, "ready\n"); + + return 0; +err_fail_entry: + device_remove_file(&pdev->dev, &dev_attr_status); +err_no_sysfs: +err_no_mem: + return err; +} + +static int gpio_of_helper_remove(struct platform_device *pdev) +{ + struct gpio_of_helper_info *info = platform_get_drvdata(pdev); + struct gpio_of_entry *entry; + int id; + + dev_info(&pdev->dev, "removing\n"); + + device_remove_file(&pdev->dev, &dev_attr_status); + + id = 0; + idr_for_each_entry(&info->idr, entry, id) { + /* destroy each and every one */ + gpio_of_entry_destroy(entry); + } + + return 0; +} + +#ifdef CONFIG_PM +static int gpio_of_helper_runtime_suspend(struct device *dev) +{ + /* place holder */ + return 0; +} + +static int gpio_of_helper_runtime_resume(struct device *dev) +{ + /* place holder */ + return 0; +} + +static struct dev_pm_ops gpio_of_helper_pm_ops = { + SET_RUNTIME_PM_OPS(gpio_of_helper_runtime_suspend, + gpio_of_helper_runtime_resume, NULL) +}; +#define GPIO_OF_HELPER_PM_OPS (&gpio_of_helper_pm_ops) +#else +#define GPIO_OF_HELPER_PM_OPS NULL +#endif /* CONFIG_PM */ + +struct platform_driver gpio_of_helper_driver = { + .probe = gpio_of_helper_probe, + .remove = gpio_of_helper_remove, + .driver = { + .name = "gpio-of-helper", + .owner = THIS_MODULE, + .pm = GPIO_OF_HELPER_PM_OPS, + .of_match_table = gpio_of_helper_of_match, + }, +}; + +module_platform_driver(gpio_of_helper_driver); + +MODULE_AUTHOR("Pantelis Antoniou "); +MODULE_DESCRIPTION("GPIO OF Helper driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:gpio-of-helper"); diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index a7e8ed5..5615226 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -1050,11 +1050,8 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc) irq->first = irq_base; ret = gpiochip_add_data(&bank->chip, bank); - if (ret) { - dev_err(bank->chip.parent, - "Could not register gpio chip %d\n", ret); - return ret; - } + if (ret) + return dev_err_probe(bank->chip.parent, ret, "Could not register gpio chip\n"); ret = devm_request_irq(bank->chip.parent, bank->irq, omap_gpio_irq_handler, diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index fa5d945..2a7b2c6 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -38,10 +38,10 @@ static DEFINE_MUTEX(sysfs_lock); /* * /sys/class/gpio/gpioN... only for GPIOs that are exported * /direction - * * MAY BE OMITTED if kernel won't allow direction changes * * is read/write as "in" or "out" * * may also be written as "high" or "low", initializing * output value as specified ("out" implies "low") + * * read-only if kernel won't allow direction changes * /value * * always readable, subject to hardware behavior * * may be writable, as zero/nonzero @@ -54,6 +54,8 @@ static DEFINE_MUTEX(sysfs_lock); * * is read/write as zero/nonzero * * also affects existing and subsequent "falling" and "rising" * /edge configuration + * /label + * * descriptor label */ static ssize_t direction_show(struct device *dev, @@ -84,7 +86,9 @@ static ssize_t direction_store(struct device *dev, mutex_lock(&data->mutex); - if (sysfs_streq(buf, "high")) + if (!data->direction_can_change) + status = -EPERM; + else if (sysfs_streq(buf, "high")) status = gpiod_direction_output_raw(desc, 1); else if (sysfs_streq(buf, "out") || sysfs_streq(buf, "low")) status = gpiod_direction_output_raw(desc, 0); @@ -363,6 +367,23 @@ static ssize_t active_low_store(struct device *dev, } static DEVICE_ATTR_RW(active_low); +static ssize_t label_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct gpiod_data *data = dev_get_drvdata(dev); + struct gpio_desc *desc = data->desc; + ssize_t status; + + mutex_lock(&data->mutex); + + status = sprintf(buf, "%s\n", desc->label); + + mutex_unlock(&data->mutex); + + return status; +} +static DEVICE_ATTR_RO(label); + static umode_t gpio_is_visible(struct kobject *kobj, struct attribute *attr, int n) { @@ -374,12 +395,15 @@ static umode_t gpio_is_visible(struct kobject *kobj, struct attribute *attr, if (attr == &dev_attr_direction.attr) { if (!show_direction) - mode = 0; + mode &= 0444; } else if (attr == &dev_attr_edge.attr) { if (gpiod_to_irq(desc) < 0) mode = 0; if (!show_direction && test_bit(FLAG_IS_OUT, &desc->flags)) mode = 0; + } else if (attr == &dev_attr_value.attr) { + if (!show_direction && !test_bit(FLAG_IS_OUT, &desc->flags)) + mode &= 0444; } return mode; @@ -390,6 +414,7 @@ static struct attribute *gpio_attrs[] = { &dev_attr_edge.attr, &dev_attr_value.attr, &dev_attr_active_low.attr, + &dev_attr_label.attr, NULL, }; @@ -403,6 +428,10 @@ static const struct attribute_group *gpio_groups[] = { NULL }; +/* bwlegh, a second device in the same file... get out of my namespace! */ +#define dev_attr_label dev_attr_chip_label +#define label_show chip_label_show + /* * /sys/class/gpio/gpiochipN/ * /base ... matching gpio_chip.base (N) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index af5bb8f..fd7fcaa 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2000,10 +2000,10 @@ static int gpiod_request_commit(struct gpio_desc *desc, const char *label) if (test_and_set_bit(FLAG_REQUESTED, &desc->flags) == 0) { desc_set_label(desc, label ? : "?"); ret = 0; - } else { - kfree_const(label); - ret = -EBUSY; - goto done; +// } else { +// kfree_const(label); +// ret = -EBUSY; +// goto done; } if (gc->request) { diff --git a/drivers/greybus/es2.c b/drivers/greybus/es2.c index 1df6ab5..48ad154 100644 --- a/drivers/greybus/es2.c +++ b/drivers/greybus/es2.c @@ -567,12 +567,9 @@ static int cport_enable(struct gb_host_device *hd, u16 cport_id, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, cport_id, 0, req, sizeof(*req), ES2_USB_CTRL_TIMEOUT); - if (ret != sizeof(*req)) { + if (ret < 0) { dev_err(&udev->dev, "failed to set cport flags for port %d\n", cport_id); - if (ret >= 0) - ret = -EIO; - goto out; } @@ -961,12 +958,10 @@ static int arpc_send(struct es2_ap_dev *es2, struct arpc *rpc, int timeout) 0, 0, rpc->req, le16_to_cpu(rpc->req->size), ES2_USB_CTRL_TIMEOUT); - if (retval != le16_to_cpu(rpc->req->size)) { + if (retval < 0) { dev_err(&udev->dev, "failed to send ARPC request %d: %d\n", rpc->req->type, retval); - if (retval > 0) - retval = -EIO; return retval; } diff --git a/drivers/greybus/greybus_trace.h b/drivers/greybus/greybus_trace.h index 1bc9f12..616a3bd 100644 --- a/drivers/greybus/greybus_trace.h +++ b/drivers/greybus/greybus_trace.h @@ -40,7 +40,7 @@ DECLARE_EVENT_CLASS(gb_message, __entry->result = message->header->result; ), - TP_printk("size=%hu operation_id=0x%04x type=0x%02x result=0x%02x", + TP_printk("size=%u operation_id=0x%04x type=0x%02x result=0x%02x", __entry->size, __entry->operation_id, __entry->type, __entry->result) ); @@ -317,7 +317,7 @@ DECLARE_EVENT_CLASS(gb_interface, __entry->mode_switch = intf->mode_switch; ), - TP_printk("intf_id=%hhu device_id=%hhu module_id=%hhu D=%d J=%d A=%d E=%d M=%d", + TP_printk("intf_id=%u device_id=%u module_id=%u D=%d J=%d A=%d E=%d M=%d", __entry->id, __entry->device_id, __entry->module_id, __entry->disconnected, __entry->ejected, __entry->active, __entry->enabled, __entry->mode_switch) @@ -391,7 +391,7 @@ DECLARE_EVENT_CLASS(gb_module, __entry->disconnected = module->disconnected; ), - TP_printk("hd_bus_id=%d module_id=%hhu num_interfaces=%zu disconnected=%d", + TP_printk("hd_bus_id=%d module_id=%u num_interfaces=%zu disconnected=%d", __entry->hd_bus_id, __entry->module_id, __entry->num_interfaces, __entry->disconnected) ); diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c index abc8d7d..5bf2bfb 100644 --- a/drivers/iio/light/tsl2563.c +++ b/drivers/iio/light/tsl2563.c @@ -12,6 +12,8 @@ */ #include +#include +#include #include #include #include @@ -703,7 +705,6 @@ static int tsl2563_probe(struct i2c_client *client, struct iio_dev *indio_dev; struct tsl2563_chip *chip; struct tsl2563_platform_data *pdata = client->dev.platform_data; - struct device_node *np = client->dev.of_node; int err = 0; u8 id = 0; @@ -738,13 +739,14 @@ static int tsl2563_probe(struct i2c_client *client, chip->calib0 = tsl2563_calib_from_sysfs(CALIB_BASE_SYSFS); chip->calib1 = tsl2563_calib_from_sysfs(CALIB_BASE_SYSFS); - if (pdata) + if (pdata) { chip->cover_comp_gain = pdata->cover_comp_gain; - else if (np) - of_property_read_u32(np, "amstaos,cover-comp-gain", - &chip->cover_comp_gain); - else - chip->cover_comp_gain = 1; + } else { + err = device_property_read_u32(&client->dev, "amstaos,cover-comp-gain", + &chip->cover_comp_gain); + if (err) + chip->cover_comp_gain = 1; + } dev_info(&client->dev, "model %d, rev. %d\n", id >> 4, id & 0x0f); indio_dev->name = client->name; diff --git a/drivers/iio/light/vcnl4035.c b/drivers/iio/light/vcnl4035.c index 1bd85e2..1342bbe 100644 --- a/drivers/iio/light/vcnl4035.c +++ b/drivers/iio/light/vcnl4035.c @@ -653,6 +653,12 @@ static const struct dev_pm_ops vcnl4035_pm_ops = { vcnl4035_runtime_resume, NULL) }; +static const struct i2c_device_id vcnl4035_id[] = { + { "vcnl4035", 0}, + { } +}; +MODULE_DEVICE_TABLE(i2c, vcnl4035_id); + static const struct of_device_id vcnl4035_of_match[] = { { .compatible = "vishay,vcnl4035", }, { } @@ -667,6 +673,7 @@ static struct i2c_driver vcnl4035_driver = { }, .probe = vcnl4035_probe, .remove = vcnl4035_remove, + .id_table = vcnl4035_id, }; module_i2c_driver(vcnl4035_driver); diff --git a/drivers/iio/proximity/vl53l0x-i2c.c b/drivers/iio/proximity/vl53l0x-i2c.c index 235e125..cf38144 100644 --- a/drivers/iio/proximity/vl53l0x-i2c.c +++ b/drivers/iio/proximity/vl53l0x-i2c.c @@ -225,6 +225,12 @@ static int vl53l0x_probe(struct i2c_client *client) return devm_iio_device_register(&client->dev, indio_dev); } +static const struct i2c_device_id vl53l0x_id[] = { + { "vl53l0x", 0}, + { } +}; +MODULE_DEVICE_TABLE(i2c, vl53l0x_id); + static const struct of_device_id st_vl53l0x_dt_match[] = { { .compatible = "st,vl53l0x", }, { } @@ -237,6 +243,7 @@ static struct i2c_driver vl53l0x_driver = { .of_match_table = st_vl53l0x_dt_match, }, .probe_new = vl53l0x_probe, + .id_table = vl53l0x_id, }; module_i2c_driver(vl53l0x_driver); diff --git a/drivers/input/misc/tps65218-pwrbutton.c b/drivers/input/misc/tps65218-pwrbutton.c index f011447..e0c6dea 100644 --- a/drivers/input/misc/tps65218-pwrbutton.c +++ b/drivers/input/misc/tps65218-pwrbutton.c @@ -36,7 +36,7 @@ struct tps6521x_data { static const struct tps6521x_data tps65217_data = { .reg_status = TPS65217_REG_STATUS, .pb_mask = TPS65217_STATUS_PB, - .name = "tps65217_pwrbutton", + .name = "tps65217_pwr_but", }; static const struct tps6521x_data tps65218_data = { diff --git a/drivers/input/touchscreen/ar1021_i2c.c b/drivers/input/touchscreen/ar1021_i2c.c index c0d5c24..740956f 100644 --- a/drivers/input/touchscreen/ar1021_i2c.c +++ b/drivers/input/touchscreen/ar1021_i2c.c @@ -17,6 +17,7 @@ #define AR1021_MAX_X 4095 #define AR1021_MAX_Y 4095 +#define AR1021_MAX_PRESSURE 255 #define AR1021_CMD 0x55 @@ -26,8 +27,29 @@ struct ar1021_i2c { struct i2c_client *client; struct input_dev *input; u8 data[AR1021_TOUCH_PKG_SIZE]; + bool invert_x; + bool invert_y; + bool swap_xy; }; +static bool ar1021_get_prop_u32(struct device *dev, + const char *property, + unsigned int default_value, + unsigned int *value) +{ + u32 val; + int error; + + error = device_property_read_u32(dev, property, &val); + if (error) { + *value = default_value; + return false; + } + + *value = val; + return true; +} + static irqreturn_t ar1021_i2c_irq(int irq, void *dev_id) { struct ar1021_i2c *ar1021 = dev_id; @@ -49,9 +71,22 @@ static irqreturn_t ar1021_i2c_irq(int irq, void *dev_id) x = ((data[2] & 0x1f) << 7) | (data[1] & 0x7f); y = ((data[4] & 0x1f) << 7) | (data[3] & 0x7f); - input_report_abs(input, ABS_X, x); - input_report_abs(input, ABS_Y, y); + if (ar1021->invert_x) + x = AR1021_MAX_X - x; + + if (ar1021->invert_y) + y = AR1021_MAX_Y - y; + + if (ar1021->swap_xy) { + input_report_abs(input, ABS_X, y); + input_report_abs(input, ABS_Y, x); + } else { + input_report_abs(input, ABS_X, x); + input_report_abs(input, ABS_Y, y); + } + input_report_key(input, BTN_TOUCH, button); + input_report_abs(input, ABS_PRESSURE, AR1021_MAX_PRESSURE); input_sync(input); out: @@ -93,6 +128,8 @@ static int ar1021_i2c_probe(struct i2c_client *client, struct ar1021_i2c *ar1021; struct input_dev *input; int error; + unsigned int offset_x, offset_y; + bool data_present; if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { dev_err(&client->dev, "i2c_check_functionality error\n"); @@ -116,10 +153,44 @@ static int ar1021_i2c_probe(struct i2c_client *client, input->open = ar1021_i2c_open; input->close = ar1021_i2c_close; + ar1021->invert_x = device_property_read_bool(&client->dev, "touchscreen-inverted-x"); + ar1021->invert_y = device_property_read_bool(&client->dev, "touchscreen-inverted-y"); + ar1021->swap_xy = device_property_read_bool(&client->dev, "touchscreen-swapped-x-y"); + + data_present = ar1021_get_prop_u32(&client->dev, + "touchscreen-offset-x", + 0, + &offset_x); + + if (data_present) + dev_info(&client->dev, "touchscreen-offset-x: %d\n", offset_x); + + data_present = ar1021_get_prop_u32(&client->dev, + "touchscreen-offset-y", + 0, + &offset_y); + + if (data_present) + dev_info(&client->dev, "touchscreen-offset-y: %d\n", offset_y); + __set_bit(INPUT_PROP_DIRECT, input->propbit); - input_set_capability(input, EV_KEY, BTN_TOUCH); - input_set_abs_params(input, ABS_X, 0, AR1021_MAX_X, 0, 0); - input_set_abs_params(input, ABS_Y, 0, AR1021_MAX_Y, 0, 0); + //input_set_capability(input, EV_KEY, BTN_TOUCH); + + input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); + + if(ar1021->swap_xy) + { + input_set_abs_params(input, ABS_X, 0, AR1021_MAX_Y, 0, 0); + input_set_abs_params(input, ABS_Y, 0, AR1021_MAX_X, 0, 0); + } + else + { + input_set_abs_params(input, ABS_X, offset_x, AR1021_MAX_X-offset_x, 0, 0); + input_set_abs_params(input, ABS_Y, offset_y, AR1021_MAX_Y-offset_y, 0, 0); + } + + input_set_abs_params(input, ABS_PRESSURE, 0, AR1021_MAX_PRESSURE, 0, 0); input_set_drvdata(input, ar1021); diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c index 83e6855..dd358bf 100644 --- a/drivers/input/touchscreen/ti_am335x_tsc.c +++ b/drivers/input/touchscreen/ti_am335x_tsc.c @@ -34,6 +34,7 @@ #define ADCFSM_STEPID 0x10 #define SEQ_SETTLE 275 #define MAX_12BIT ((1 << 12) - 1) +#define PRESSURE_MAX 1000 #define TSC_IRQENB_MASK (IRQENB_FIFO0THRES | IRQENB_EOS | IRQENB_HW_PEN) @@ -234,6 +235,7 @@ static void titsc_read_coordinates(struct titsc *ts_dev, for (i = 0; i < creads; i++) { xvals[i] = titsc_readl(ts_dev, REG_FIFO0); xvals[i] &= 0xfff; + pr_debug("i %d xval %d yval %d z1 %d z2 %d\n", i, xvals[i], yvals[i], *z1, *z2); } /* @@ -312,13 +314,13 @@ static irqreturn_t titsc_irq(int irq, void *dev) * Resistance(touch) = x plate resistance * * x postion/4096 * ((z2 / z1) - 1) */ - z = z1 - z2; + z = z2 - z1; z *= x; z *= ts_dev->x_plate_resistance; - z /= z2; + z /= z1; z = (z + 2047) >> 12; - - if (z <= MAX_12BIT) { + pr_debug("x %d y %d z1 %d z2 %d z %d\n", x, y, z1, z2, z); + if (z <= PRESSURE_MAX) { input_report_abs(input_dev, ABS_X, x); input_report_abs(input_dev, ABS_Y, y); input_report_abs(input_dev, ABS_PRESSURE, z); @@ -459,6 +461,7 @@ static int titsc_probe(struct platform_device *pdev) input_dev->name = "ti-tsc"; input_dev->dev.parent = &pdev->dev; + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index fafa8b0..6df932c 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -466,6 +466,13 @@ config HISI_HIKEY_USB switching between the dual-role USB-C port and the USB-A host ports using only one USB controller. +config UDOO_ARD + tristate "UDOO-Arduino erase/reset Driver" + default y + help + This driver is used to erase and reset arduino board via command sent + over USB-to-SERIAL connection. + source "drivers/misc/c2port/Kconfig" source "drivers/misc/eeprom/Kconfig" source "drivers/misc/cb710/Kconfig" @@ -475,6 +482,7 @@ source "drivers/misc/altera-stapl/Kconfig" source "drivers/misc/mei/Kconfig" source "drivers/misc/vmw_vmci/Kconfig" source "drivers/misc/genwqe/Kconfig" +source "drivers/misc/cape/Kconfig" source "drivers/misc/echo/Kconfig" source "drivers/misc/cxl/Kconfig" source "drivers/misc/ocxl/Kconfig" diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index d23231e..497e0d3 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -47,8 +47,10 @@ obj-$(CONFIG_LATTICE_ECP3_CONFIG) += lattice-ecp3-config.o obj-$(CONFIG_SRAM) += sram.o obj-$(CONFIG_SRAM_EXEC) += sram-exec.o obj-$(CONFIG_GENWQE) += genwqe/ +obj-y += cape/ obj-$(CONFIG_ECHO) += echo/ obj-$(CONFIG_CXL_BASE) += cxl/ +obj-$(CONFIG_UDOO_ARD) += udoo_ard.o obj-$(CONFIG_PCI_ENDPOINT_TEST) += pci_endpoint_test.o obj-$(CONFIG_OCXL) += ocxl/ obj-y += cardreader/ diff --git b/drivers/misc/cape/Kconfig b/drivers/misc/cape/Kconfig new file mode 100644 index 0000000..a2ef85e --- /dev/null +++ b/drivers/misc/cape/Kconfig @@ -0,0 +1,5 @@ +# +# Capes +# + +source "drivers/misc/cape/beaglebone/Kconfig" diff --git b/drivers/misc/cape/Makefile b/drivers/misc/cape/Makefile new file mode 100644 index 0000000..7c4eb96 --- /dev/null +++ b/drivers/misc/cape/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for cape like devices +# + +obj-y += beaglebone/ diff --git b/drivers/misc/cape/beaglebone/Kconfig b/drivers/misc/cape/beaglebone/Kconfig new file mode 100644 index 0000000..eeb6782 --- /dev/null +++ b/drivers/misc/cape/beaglebone/Kconfig @@ -0,0 +1,10 @@ +# +# Beaglebone capes +# + +config BEAGLEBONE_PINMUX_HELPER + tristate "Beaglebone Pinmux Helper" + depends on ARCH_OMAP2PLUS && OF + default n + help + Say Y here to include support for the pinmux helper diff --git b/drivers/misc/cape/beaglebone/Makefile b/drivers/misc/cape/beaglebone/Makefile new file mode 100644 index 0000000..7f4617a --- /dev/null +++ b/drivers/misc/cape/beaglebone/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for beaglebone capes +# + +obj-$(CONFIG_BEAGLEBONE_PINMUX_HELPER) += bone-pinmux-helper.o diff --git b/drivers/misc/cape/beaglebone/bone-pinmux-helper.c b/drivers/misc/cape/beaglebone/bone-pinmux-helper.c new file mode 100644 index 0000000..57703d8 --- /dev/null +++ b/drivers/misc/cape/beaglebone/bone-pinmux-helper.c @@ -0,0 +1,242 @@ +/* + * Pinmux helper driver + * + * Copyright (C) 2013 Pantelis Antoniou + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static const struct of_device_id bone_pinmux_helper_of_match[] = { + { + .compatible = "bone-pinmux-helper", + }, + { }, +}; +MODULE_DEVICE_TABLE(of, bone_pinmux_helper_of_match); + +struct pinmux_helper_data { + struct pinctrl *pinctrl; + char *selected_state_name; +}; + +static ssize_t pinmux_helper_show_state(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct platform_device *pdev = to_platform_device(dev); + struct pinmux_helper_data *data = platform_get_drvdata(pdev); + const char *name; + + name = data->selected_state_name; + if (name == NULL || strlen(name) == 0) + name = "none"; + return sprintf(buf, "%s\n", name); +} + +static ssize_t pinmux_helper_store_state(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct platform_device *pdev = to_platform_device(dev); + struct pinmux_helper_data *data = platform_get_drvdata(pdev); + struct pinctrl_state *state; + char *state_name; + char *s; + int err; + + /* duplicate (as a null terminated string) */ + state_name = kmalloc(count + 1, GFP_KERNEL); + if (state_name == NULL) + return -ENOMEM; + memcpy(state_name, buf, count); + state_name[count] = '\0'; + + /* and chop off newline */ + s = strchr(state_name, '\n'); + if (s != NULL) + *s = '\0'; + + /* try to select default state at first (if it exists) */ + state = pinctrl_lookup_state(data->pinctrl, state_name); + if (!IS_ERR(state)) { + err = pinctrl_select_state(data->pinctrl, state); + if (err != 0) + dev_err(dev, "Failed to select state %s\n", + state_name); + } else { + dev_err(dev, "Failed to find state %s\n", state_name); + err = PTR_ERR_OR_ZERO(state); + } + + if (err == 0) { + kfree(data->selected_state_name); + data->selected_state_name = state_name; + } + + return err ? err : count; +} + +static DEVICE_ATTR(state, S_IWUSR | S_IRUGO, + pinmux_helper_show_state, pinmux_helper_store_state); + +static struct attribute *pinmux_helper_attributes[] = { + &dev_attr_state.attr, + NULL +}; + +static const struct attribute_group pinmux_helper_attr_group = { + .attrs = pinmux_helper_attributes, +}; + +static int bone_pinmux_helper_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct pinmux_helper_data *data; + struct pinctrl_state *state; + char *state_name; + const char *mode_name; + int mode_len; + int err; + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (data == NULL) { + dev_err(dev, "Failed to allocate data\n"); + err = -ENOMEM; + goto err_no_mem; + } + + state_name = kmalloc(strlen(PINCTRL_STATE_DEFAULT) + 1, + GFP_KERNEL); + if (state_name == NULL) { + dev_err(dev, "Failed to allocate state name\n"); + err = -ENOMEM; + goto err_no_state_mem; + } + data->selected_state_name = state_name; + strcpy(data->selected_state_name, PINCTRL_STATE_DEFAULT); + + platform_set_drvdata(pdev, data); + + data->pinctrl = devm_pinctrl_get(dev); + if (IS_ERR(data->pinctrl)) { + dev_err(dev, "Failed to get pinctrl\n"); + err = PTR_ERR_OR_ZERO(data->pinctrl); + goto err_no_pinctrl; + } + + /* See if an initial mode is specified in the device tree */ + mode_name = of_get_property(dev->of_node, "mode", &mode_len); + + err = -1; + if (mode_name != NULL ) { + state_name = kmalloc(mode_len + 1, GFP_KERNEL); + if (state_name == NULL) { + dev_err(dev, "Failed to allocate state name\n"); + err = -ENOMEM; + goto err_no_mode_mem; + } + strncpy(state_name, mode_name, mode_len); + + /* try to select requested mode */ + state = pinctrl_lookup_state(data->pinctrl, state_name); + if (!IS_ERR(state)) { + err = pinctrl_select_state(data->pinctrl, state); + if (err != 0) { + dev_warn(dev, "Unable to select requested mode %s\n", state_name); + kfree(state_name); + } else { + kfree(data->selected_state_name); + data->selected_state_name = state_name; + dev_notice(dev, "Set initial pinmux mode to %s\n", state_name); + } + } + } + + /* try to select default state if mode_name failed */ + if ( err != 0) { + state = pinctrl_lookup_state(data->pinctrl, + data->selected_state_name); + if (!IS_ERR(state)) { + err = pinctrl_select_state(data->pinctrl, state); + if (err != 0) { + dev_err(dev, "Failed to select default state\n"); + goto err_no_state; + } + } else { + data->selected_state_name = '\0'; + } + } + + /* Register sysfs hooks */ + err = sysfs_create_group(&dev->kobj, &pinmux_helper_attr_group); + if (err) { + dev_err(dev, "Failed to create sysfs group\n"); + goto err_no_sysfs; + } + + return 0; + +err_no_sysfs: +err_no_state: +err_no_mode_mem: + devm_pinctrl_put(data->pinctrl); +err_no_pinctrl: + devm_kfree(dev, data->selected_state_name); +err_no_state_mem: + devm_kfree(dev, data); +err_no_mem: + return err; +} + +static int bone_pinmux_helper_remove(struct platform_device *pdev) +{ + struct pinmux_helper_data *data = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + + sysfs_remove_group(&dev->kobj, &pinmux_helper_attr_group); + kfree(data->selected_state_name); + devm_pinctrl_put(data->pinctrl); + devm_kfree(dev, data); + + return 0; +} + +struct platform_driver bone_pinmux_helper_driver = { + .probe = bone_pinmux_helper_probe, + .remove = bone_pinmux_helper_remove, + .driver = { + .name = "bone-pinmux-helper", + .owner = THIS_MODULE, + .of_match_table = bone_pinmux_helper_of_match, + }, +}; + +module_platform_driver(bone_pinmux_helper_driver); + +MODULE_AUTHOR("Pantelis Antoniou"); +MODULE_DESCRIPTION("Beaglebone pinmux helper driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:bone-pinmux-helper"); diff --git b/drivers/misc/udoo_ard.c b/drivers/misc/udoo_ard.c new file mode 100755 index 0000000..2210738 --- /dev/null +++ b/drivers/misc/udoo_ard.c @@ -0,0 +1,417 @@ +/* + * udoo_ard.c + * UDOO quad/dual Arduino flash erase / CPU resetter + * + * Copyright (C) 2013-2015 Aidilab srl + * Author: UDOO Team + * Author: Giuseppe Pagano + * Author: Francesco Montefoschi + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRIVER_NAME "udoo_ard" +#define PINCTRL_DEFAULT "default" +#define AUTH_TOKEN 0x5A5A +#define MAX_MSEC_SINCE_LAST_IRQ 400 +#define GRAY_TIME_BETWEEN_RESET 10000 // In this time we can't accept new erase/reset code + +static struct workqueue_struct *erase_reset_wq; +typedef struct { + struct work_struct erase_reset_work; + struct pinctrl *pinctrl; + struct pinctrl_state *pins_default; + int step; + int cmdcode; + int erase_reset_lock; + int gpio_bossac_clk; + int gpio_bossac_dat; + int gpio_ard_erase; + int gpio_ard_reset; + unsigned long last_int_time_in_ns; + unsigned long last_int_time_in_sec; +} erase_reset_work_t; + +erase_reset_work_t *work; +static u32 origTX, origRX; // original UART4 TX/RX pad control registers +static int major; // for /dev/udoo_ard +static struct class *udoo_class; + +static struct platform_device_id udoo_ard_devtype[] = { + { + /* keep it for coldfire */ + .name = DRIVER_NAME, + .driver_data = 0, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, udoo_ard_devtype); + +static const struct of_device_id udoo_ard_dt_ids[] = { + { .compatible = "udoo,imx6q-udoo-ard", .data = &udoo_ard_devtype[0], }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, udoo_ard_dt_ids); + +static void disable_serial(void) +{ + u32 addrTX; + void __iomem *_addrTX; + + printk("[bossac] Disable UART4 serial port.\n"); + + addrTX = 0x20E01F8; + _addrTX = ioremap(addrTX, 8); + + origTX = __raw_readl(_addrTX); + origRX = __raw_readl(_addrTX + 0x4); + + __raw_writel(0x15, _addrTX); + __raw_writel(0x15, _addrTX + 0x4); + + iounmap(_addrTX); +} + +static void enable_serial(void) +{ + u32 addrTX; + void __iomem *_addrTX; + + printk("[bossac] Enable UART4 serial port.\n"); + + addrTX = 0x20E01F8; + _addrTX = ioremap(addrTX, 8); + + __raw_writel(origTX, _addrTX); + __raw_writel(origRX, _addrTX + 0x4); + + iounmap(_addrTX); +} + +static void erase_reset(void) +{ + printk("[bossac] UDOO ERASE and RESET on Sam3x started.\n"); + + gpio_direction_input(work->gpio_ard_erase); + gpio_set_value(work->gpio_ard_reset, 1); + msleep(1); + + gpio_direction_output(work->gpio_ard_erase, 1); + msleep(300); + gpio_direction_input(work->gpio_ard_erase); + + msleep(10); + gpio_set_value(work->gpio_ard_reset, 0); + + msleep(80); + gpio_set_value(work->gpio_ard_reset, 1); + + printk("[bossac] UDOO ERASE and RESET on Sam3x EXECUTED.\n"); +} + +static void shutdown_sam3x(void) +{ + printk("[bossac] RESET on Sam3x.\n"); + + gpio_set_value(work->gpio_ard_reset, 0); +} + +static void erase_reset_wq_function( struct work_struct *work2) +{ + disable_serial(); + erase_reset(); + msleep(GRAY_TIME_BETWEEN_RESET); + + work->erase_reset_lock = 0; +} + +/* + * Called everytime the gpio_bossac_clk signal toggles. + * If the auth token (16 bit) is found, we look for the command code (4 bit). + * The code 0x0F is sent by Bossac to trigger an erase/reset (to achieve this, + * erase_reset_wq is scheduled). Before starting to program the flash, we disable + * the UART4 serial port, otherwise there is too noise on the serial lines (the + * programming port and UART4 port are connected together, see hw schematics). + * When Bossac finishes to flash/verify, the code 0x00 is sent which re-enables + * the UART4 port. + */ +static irqreturn_t udoo_bossac_req(int irq, void *dev_id) +{ + int retval, auth_bit, expected_bit, msec_since_last_irq; + u64 nowsec; + unsigned long rem_nsec; + erase_reset_work_t *erase_reset_work; + + auth_bit = 0; + if (gpio_get_value(work->gpio_bossac_dat) != 0x0) { + auth_bit = 1; + } + + erase_reset_work = (erase_reset_work_t *)work; + + nowsec = local_clock(); + rem_nsec = do_div(nowsec, 1000000000) ; + msec_since_last_irq = (((unsigned long)nowsec * 1000) + rem_nsec/1000000 ) - (((unsigned long)erase_reset_work->last_int_time_in_sec * 1000) + erase_reset_work->last_int_time_in_ns/1000000); + + if (msec_since_last_irq > MAX_MSEC_SINCE_LAST_IRQ) { + erase_reset_work->step = 0; +#ifdef DEBUG + printk("[bossac] Reset authentication timeout!\n"); +#endif + } + +#ifdef DEBUG + printk("[bossac] STEP %d -> 0x%d \n", erase_reset_work->step, auth_bit); +#endif + erase_reset_work->last_int_time_in_ns = rem_nsec; + erase_reset_work->last_int_time_in_sec = nowsec; + + if ( erase_reset_work->step < 16 ) { // Authenticating received token bit. + expected_bit = (( AUTH_TOKEN >> erase_reset_work->step ) & 0x01 ); + if ( auth_bit == expected_bit ) { + erase_reset_work->step = erase_reset_work->step + 1; + } else { + erase_reset_work->step = 0; + } + } else { // Passed all authentication step. Receiving command code. + erase_reset_work->cmdcode = erase_reset_work->cmdcode | (auth_bit << (erase_reset_work->step - 16)); + erase_reset_work->step = erase_reset_work->step + 1; + } + +#ifdef DEBUG + printk("erase_reset_work->erase_reset_lock = %d \n", erase_reset_work->erase_reset_lock); +#endif + if ( erase_reset_work->step == 20 ) { // Passed authentication and code acquiring step. +#ifdef DEBUG + printk("[bossac] Received code = 0x%04x \n", erase_reset_work->cmdcode); +#endif + if (erase_reset_work->cmdcode == 0xF) { + if (erase_reset_work->erase_reset_lock == 0) { + erase_reset_work->erase_reset_lock = 1; + retval = queue_work( erase_reset_wq, (struct work_struct *)work ); + } else { +#ifdef DEBUG + printk("Erase and reset operation already in progress. Do nothing.\n"); +#endif + } + } else { + enable_serial(); + } + erase_reset_work->step = 0; + erase_reset_work->cmdcode = 0; + } + + return IRQ_HANDLED; +} + +/* + * Takes control of clock, data, erase, reset GPIOs. + */ +static int gpio_setup(void) +{ + int ret; + + ret = gpio_request(work->gpio_bossac_clk, "BOSSA_CLK"); + if (ret) { + printk(KERN_ERR "request BOSSA_CLK IRQ\n"); + return -1; + } else { + gpio_direction_input(work->gpio_bossac_clk); + } + + ret = gpio_request(work->gpio_bossac_dat, "BOSSA_DAT"); + if (ret) { + printk(KERN_ERR "request BOSSA_DAT IRQ\n"); + return -1; + } else { + gpio_direction_input(work->gpio_bossac_dat); + } + + ret = gpio_request(work->gpio_ard_erase, "BOSSAC"); + if (ret) { + printk(KERN_ERR "request GPIO FOR ARDUINO ERASE\n"); + return -1; + } else { + gpio_direction_input(work->gpio_ard_erase); + } + + ret = gpio_request(work->gpio_ard_reset, "BOSSAC"); + if (ret) { + printk(KERN_ERR "request GPIO FOR ARDUINO RESET\n"); + return -1; + } else { + gpio_direction_output(work->gpio_ard_reset, 1); + } + + return 0; +} + +static ssize_t device_write(struct file *filp, const char *buff, size_t len, loff_t *off) +{ + char msg[10]; + long res; + + if (len > 10) + return -EINVAL; + + + res = copy_from_user(msg, buff, len); + if (res) { + return -EFAULT; + } + msg[len] = '\0'; + + if (strcmp(msg, "erase")==0) { + erase_reset(); + } else if (strcmp(msg, "shutdown")==0) { + shutdown_sam3x(); + } else if (strcmp(msg, "uartoff")==0) { + disable_serial(); + } else if (strcmp(msg, "uarton")==0) { + enable_serial(); + } else { + printk("[bossac] udoo_ard invalid operation! %s", msg); + } + + return len; +} + +static struct file_operations fops = { + .write = device_write, +}; + +/* + * If a fdt udoo_ard entry is found, we register an IRQ on bossac clock line + * and we create /dev/udoo_ard + */ +static int udoo_ard_probe(struct platform_device *pdev) +{ + int retval; + struct device *temp_class; + struct platform_device *bdev; + struct device_node *np; + + bdev = kzalloc(sizeof(*bdev), GFP_KERNEL); + np = pdev->dev.of_node; + + if (!np) + return -ENODEV; + + work = (erase_reset_work_t *)kmalloc(sizeof(erase_reset_work_t), GFP_KERNEL); + if (work) { + work->gpio_ard_reset = of_get_named_gpio(np, "bossac-reset-gpio", 0); + work->gpio_ard_erase = of_get_named_gpio(np, "bossac-erase-gpio", 0); + work->gpio_bossac_clk = of_get_named_gpio(np, "bossac-clk-gpio", 0); + work->gpio_bossac_dat = of_get_named_gpio(np, "bossac-dat-gpio", 0); + work->pinctrl = devm_pinctrl_get(&pdev->dev); + work->pins_default = pinctrl_lookup_state(work->pinctrl, PINCTRL_DEFAULT); + } else { + printk("[bossac] Failed to allocate data structure."); + return -ENOMEM; + } + + pinctrl_select_state(work->pinctrl, work->pins_default); + gpio_setup(); + + printk("[bossac] Registering IRQ %d for BOSSAC Arduino erase/reset operation\n", gpio_to_irq(work->gpio_bossac_clk)); + retval = request_irq(gpio_to_irq(work->gpio_bossac_clk), udoo_bossac_req, IRQF_TRIGGER_FALLING, "UDOO", bdev); + + major = register_chrdev(major, "udoo_ard", &fops); + if (major < 0) { + printk(KERN_ERR "[bossac] Cannot get major for UDOO Ard\n"); + return -EBUSY; + } + + udoo_class = class_create(THIS_MODULE, "udoo_ard"); + if (IS_ERR(udoo_class)) { + return PTR_ERR(udoo_class); + } + + temp_class = device_create(udoo_class, NULL, MKDEV(major, 0), NULL, "udoo_ard"); + if (IS_ERR(temp_class)) { + return PTR_ERR(temp_class); + } + + printk("[bossac] Created device file /dev/udoo_ard\n"); + + erase_reset_wq = create_workqueue("erase_reset_queue"); + if (erase_reset_wq) { + + /* Queue some work (item 1) */ + if (work) { + INIT_WORK( (struct work_struct *)work, erase_reset_wq_function ); + work->step = 1; + work->cmdcode = 0; + work->last_int_time_in_ns = 0; + work->last_int_time_in_sec = 0; + work->erase_reset_lock = 0; + // retval = queue_work( erase_reset_wq, (struct work_struct *)work ); + } + } + return 0; +} + +static int udoo_ard_remove(struct platform_device *pdev) +{ + printk("[bossac] Unloading UDOO ard driver.\n"); + free_irq(gpio_to_irq(work->gpio_bossac_clk), NULL); + + gpio_free(work->gpio_ard_reset); + gpio_free(work->gpio_ard_erase); + gpio_free(work->gpio_bossac_clk); + gpio_free(work->gpio_bossac_dat); + + device_destroy(udoo_class, MKDEV(major, 0)); + class_destroy(udoo_class); + unregister_chrdev(major, "udoo_ard"); + + return 0; +} + +static struct platform_driver udoo_ard_driver = { + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = udoo_ard_dt_ids, + }, + .id_table = udoo_ard_devtype, + .probe = udoo_ard_probe, + .remove = udoo_ard_remove, +}; + +module_platform_driver(udoo_ard_driver); + +MODULE_ALIAS("platform:"DRIVER_NAME); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c index 702fdc3..6076ade 100644 --- a/drivers/net/ethernet/ti/davinci_mdio.c +++ b/drivers/net/ethernet/ti/davinci_mdio.c @@ -92,6 +92,10 @@ struct davinci_mdio_data { u32 clk_div; }; +#if IS_ENABLED(CONFIG_OF) +static void davinci_mdio_update_dt_from_phymask(u32 phy_mask); +#endif + static void davinci_mdio_init_clk(struct davinci_mdio_data *data) { u32 mdio_in, div, mdio_out_khz, access_time; @@ -159,6 +163,12 @@ static int davinci_mdio_reset(struct mii_bus *bus) /* restrict mdio bus to live phys only */ dev_info(data->dev, "detected phy mask %x\n", ~phy_mask); phy_mask = ~phy_mask; + + #if IS_ENABLED(CONFIG_OF) + if (of_machine_is_compatible("ti,am335x-bone")) + davinci_mdio_update_dt_from_phymask(phy_mask); + #endif + } else { /* desperately scan all phys */ dev_warn(data->dev, "no live phy, scanning all\n"); @@ -476,6 +486,94 @@ static int davinci_mdio_runtime_resume(struct device *dev) } #endif +static void davinci_mdio_update_dt_from_phymask(u32 phy_mask) +{ + int i, len, skip; + u32 addr; + __be32 *old_phy_p, *phy_id_p; + struct property *phy_id_property = NULL; + struct device_node *node_p, *slave_p; + + addr = 0; + + for (i = 0; i < PHY_MAX_ADDR; i++) { + if ((phy_mask & (1 << i)) == 0) { + addr = (u32) i; + break; + } + } + + for_each_compatible_node(node_p, NULL, "ti,cpsw") { + for_each_node_by_name(slave_p, "slave") { + +#if IS_ENABLED(CONFIG_OF_OVERLAY) + skip = 1; + // Hack, the overlay fixup "slave" doesn't have phy-mode... + old_phy_p = (__be32 *) of_get_property(slave_p, "phy-mode", &len); + + if (len != (sizeof(__be32 *) * 1)) + { + skip = 0; + } + + if (skip) { +#endif + + old_phy_p = (__be32 *) of_get_property(slave_p, "phy_id", &len); + + if (len != (sizeof(__be32 *) * 2)) + goto err_out; + + if (old_phy_p) { + + phy_id_property = kzalloc(sizeof(*phy_id_property), GFP_KERNEL); + + if (! phy_id_property) + goto err_out; + + phy_id_property->length = len; + phy_id_property->name = kstrdup("phy_id", GFP_KERNEL); + phy_id_property->value = kzalloc(len, GFP_KERNEL); + + if (! phy_id_property->name) + goto err_out; + + if (! phy_id_property->value) + goto err_out; + + memcpy(phy_id_property->value, old_phy_p, len); + + phy_id_p = (__be32 *) phy_id_property->value + 1; + + *phy_id_p = cpu_to_be32(addr); + + of_update_property(slave_p, phy_id_property); + pr_info("davinci_mdio: dt: updated phy_id[%d] from phy_mask[%x]\n", addr, phy_mask); + + ++addr; + } +#if IS_ENABLED(CONFIG_OF_OVERLAY) + } +#endif + } + } + + return; + +err_out: + + if (phy_id_property) { + if (phy_id_property->name) + kfree(phy_id_property->name); + + if (phy_id_property->value) + kfree(phy_id_property->value); + + if (phy_id_property) + kfree(phy_id_property); + } +} + #ifdef CONFIG_PM_SLEEP static int davinci_mdio_suspend(struct device *dev) { diff --git a/drivers/net/ieee802154/Kconfig b/drivers/net/ieee802154/Kconfig index 0f7c6dc..0a1d876 100644 --- a/drivers/net/ieee802154/Kconfig +++ b/drivers/net/ieee802154/Kconfig @@ -73,6 +73,15 @@ config IEEE802154_ATUSB This driver can also be built as a module. To do so say M here. The module will be called 'atusb'. +config IEEE802154_WPANUSB + tristate "WPANUSB driver" + depends on IEEE802154_DRIVERS && MAC802154 && USB + help + Adds support for WPANUSB 802.15.4 adapters. + + This driver should work with at least the following devices: + * BeagleBoard.org BeagleConnect Freedom + config IEEE802154_ADF7242 tristate "ADF7242 transceiver driver" depends on IEEE802154_DRIVERS && MAC802154 diff --git a/drivers/net/ieee802154/Makefile b/drivers/net/ieee802154/Makefile index 0c78b62..59442aa 100644 --- a/drivers/net/ieee802154/Makefile +++ b/drivers/net/ieee802154/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_IEEE802154_AT86RF230) += at86rf230.o obj-$(CONFIG_IEEE802154_MRF24J40) += mrf24j40.o obj-$(CONFIG_IEEE802154_CC2520) += cc2520.o obj-$(CONFIG_IEEE802154_ATUSB) += atusb.o +obj-$(CONFIG_IEEE802154_WPANUSB) += wpanusb.o obj-$(CONFIG_IEEE802154_ADF7242) += adf7242.o obj-$(CONFIG_IEEE802154_CA8210) += ca8210.o obj-$(CONFIG_IEEE802154_MCR20A) += mcr20a.o diff --git b/drivers/net/ieee802154/wpanusb.c b/drivers/net/ieee802154/wpanusb.c new file mode 100644 index 0000000..ab933c0 --- /dev/null +++ b/drivers/net/ieee802154/wpanusb.c @@ -0,0 +1,783 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Driver for the WPANUSB IEEE 802.15.4 dongle + * + * Copyright (C) 2018 Intel Corp. + * + * The driver implements SoftMAC 802.15.4 protocol based on atusb + * driver for ATUSB IEEE 802.15.4 dongle. + * + * Written by Andrei Emeltchenko + */ + +#include +#include +#include +#include + +#include +#include + +#define DEBUG +#include "wpanusb.h" + +#define WPANUSB_NUM_RX_URBS 4 /* allow for a bit of local latency */ +#define WPANUSB_ALLOC_DELAY_MS 100 /* delay after failed allocation */ + +#define VENDOR_OUT (USB_TYPE_VENDOR | USB_DIR_OUT) +#define VENDOR_IN (USB_TYPE_VENDOR | USB_DIR_IN) + +#define WPANUSB_VALID_CHANNELS (0x07FFFFFF) + +struct wpanusb { + struct ieee802154_hw *hw; + struct usb_device *udev; + int shutdown; /* non-zero if shutting down */ + + /* RX variables */ + struct delayed_work work; /* memory allocations */ + struct usb_anchor idle_urbs; /* URBs waiting to be submitted */ + struct usb_anchor rx_urbs; /* URBs waiting for reception */ + + /* TX variables */ + struct usb_ctrlrequest tx_dr; + struct urb *tx_urb; + struct sk_buff *tx_skb; + u8 tx_ack_seq; /* current TX ACK sequence number */ +}; + +/* ----- USB commands without data ----------------------------------------- */ + +static int wpanusb_control_send(struct wpanusb *wpanusb, unsigned int pipe, + u8 request, void *data, u16 size) +{ + struct usb_device *udev = wpanusb->udev; + + return usb_control_msg(udev, pipe, request, VENDOR_OUT, + 0, 0, data, size, 1000); +} + +static int wpanusb_control_recv(struct wpanusb *wpanusb, u8 request, void *data, u16 size) +{ + struct usb_device *udev = wpanusb->udev; + + usb_control_msg(udev, usb_sndctrlpipe(udev, 0), request, VENDOR_OUT, + 0, 0, NULL, 0, 1000); + + return usb_control_msg(udev, usb_rcvbulkpipe(udev, 1), request, VENDOR_IN, + 0, 0, data, size, 1000); +} + +/* ----- skb allocation ---------------------------------------------------- */ + +#define MAX_PSDU 127 +#define MAX_RX_XFER (1 + MAX_PSDU + 2 + 1) /* PHR+PSDU+CRC+LQI */ + +#define SKB_WPANUSB(skb) (*(struct wpanusb **)(skb)->cb) + +static void wpanusb_bulk_complete(struct urb *urb); + +static int wpanusb_submit_rx_urb(struct wpanusb *wpanusb, struct urb *urb) +{ + struct usb_device *udev = wpanusb->udev; + struct sk_buff *skb = urb->context; + int ret; + + if (!skb) { + skb = alloc_skb(MAX_RX_XFER, GFP_KERNEL); + if (!skb) { + dev_warn_ratelimited(&udev->dev, + "can't allocate skb\n"); + return -ENOMEM; + } + skb_put(skb, MAX_RX_XFER); + SKB_WPANUSB(skb) = wpanusb; + } + + usb_fill_bulk_urb(urb, udev, usb_rcvbulkpipe(udev, 1), + skb->data, MAX_RX_XFER, wpanusb_bulk_complete, skb); + usb_anchor_urb(urb, &wpanusb->rx_urbs); + + ret = usb_submit_urb(urb, GFP_KERNEL); + if (ret) { + usb_unanchor_urb(urb); + kfree_skb(skb); + urb->context = NULL; + } + + return ret; +} + +static void wpanusb_work_urbs(struct work_struct *work) +{ + struct wpanusb *wpanusb = + container_of(to_delayed_work(work), struct wpanusb, work); + struct usb_device *udev = wpanusb->udev; + struct urb *urb; + int ret; + + if (wpanusb->shutdown) + return; + + do { + urb = usb_get_from_anchor(&wpanusb->idle_urbs); + if (!urb) + return; + + ret = wpanusb_submit_rx_urb(wpanusb, urb); + } while (!ret); + + usb_anchor_urb(urb, &wpanusb->idle_urbs); + dev_warn_ratelimited(&udev->dev, "can't allocate/submit URB (%d)\n", + ret); + schedule_delayed_work(&wpanusb->work, + msecs_to_jiffies(WPANUSB_ALLOC_DELAY_MS) + 1); +} + +/* ----- Asynchronous USB -------------------------------------------------- */ + +static void wpanusb_tx_done(struct wpanusb *wpanusb, uint8_t seq) +{ + struct usb_device *udev = wpanusb->udev; + u8 expect = wpanusb->tx_ack_seq; + + dev_dbg(&udev->dev, "seq 0x%02x expect 0x%02x\n", seq, expect); + + if (seq == expect) { + ieee802154_xmit_complete(wpanusb->hw, wpanusb->tx_skb, false); + } else { + dev_dbg(&udev->dev, "unknown ack %u\n", seq); + + ieee802154_wake_queue(wpanusb->hw); + if (wpanusb->tx_skb) + dev_kfree_skb_irq(wpanusb->tx_skb); + } +} + +static void wpanusb_process_urb(struct urb *urb) +{ + struct usb_device *udev = urb->dev; + struct sk_buff *skb = urb->context; + struct wpanusb *wpanusb = SKB_WPANUSB(skb); + u8 len, lqi; + + if (!urb->actual_length) { + dev_dbg(&udev->dev, "zero-sized URB ?\n"); + return; + } + + len = *skb->data; + + dev_dbg(&udev->dev, "urb %p urb len %u pkt len %u", urb, + urb->actual_length, len); + + /* Handle ACK */ + if (urb->actual_length == 1) { + wpanusb_tx_done(wpanusb, len); + return; + } + + if (len + 1 > urb->actual_length - 1) { + dev_dbg(&udev->dev, "frame len %d+1 > URB %u-1\n", + len, urb->actual_length); + return; + } + + if (!ieee802154_is_valid_psdu_len(len)) { + dev_dbg(&udev->dev, "frame corrupted\n"); + return; + } + + print_hex_dump_bytes("> ", DUMP_PREFIX_OFFSET, skb->data, + urb->actual_length); + + /* Get LQI at the end of the packet */ + lqi = skb->data[len + 1]; + dev_dbg(&udev->dev, "rx len %d lqi 0x%02x\n", len, lqi); + skb_pull(skb, 1); /* remove length */ + skb_trim(skb, len); /* remove LQI */ + ieee802154_rx_irqsafe(wpanusb->hw, skb, lqi); + urb->context = NULL; /* skb is gone */ +} + +static void wpanusb_bulk_complete(struct urb *urb) +{ + struct usb_device *udev = urb->dev; + struct sk_buff *skb = urb->context; + struct wpanusb *wpanusb = SKB_WPANUSB(skb); + + dev_dbg(&udev->dev, "status %d len %d\n", + urb->status, urb->actual_length); + + if (urb->status) { + if (urb->status == -ENOENT) { /* being killed */ + kfree_skb(skb); + urb->context = NULL; + return; + } + + dev_dbg(&udev->dev, "URB error %d\n", urb->status); + } else { + wpanusb_process_urb(urb); + } + + usb_anchor_urb(urb, &wpanusb->idle_urbs); + if (!wpanusb->shutdown) + schedule_delayed_work(&wpanusb->work, 0); +} + +/* ----- URB allocation/deallocation --------------------------------------- */ + +static void wpanusb_free_urbs(struct wpanusb *wpanusb) +{ + struct urb *urb; + + do { + urb = usb_get_from_anchor(&wpanusb->idle_urbs); + if (!urb) + break; + kfree_skb(urb->context); + usb_free_urb(urb); + } while (true); +} + +static int wpanusb_alloc_urbs(struct wpanusb *wpanusb, unsigned int n) +{ + struct urb *urb; + + while (n--) { + urb = usb_alloc_urb(0, GFP_KERNEL); + if (!urb) { + wpanusb_free_urbs(wpanusb); + return -ENOMEM; + } + usb_anchor_urb(urb, &wpanusb->idle_urbs); + } + + return 0; +} + +/* ----- IEEE 802.15.4 interface operations -------------------------------- */ + +static void wpanusb_xmit_complete(struct urb *urb) +{ + dev_dbg(&urb->dev->dev, "urb transmit completed"); +} + +static int wpanusb_xmit(struct ieee802154_hw *hw, struct sk_buff *skb) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + int ret = 0; + + dev_dbg(&udev->dev, "len %u", skb->len); + + /* ack_seq range is 0x01 - 0xff */ + wpanusb->tx_ack_seq++; + if (!wpanusb->tx_ack_seq) + wpanusb->tx_ack_seq++; + + wpanusb->tx_skb = skb; + wpanusb->tx_dr.wIndex = cpu_to_le16(wpanusb->tx_ack_seq); + wpanusb->tx_dr.wLength = cpu_to_le16(skb->len); + + usb_fill_control_urb(wpanusb->tx_urb, udev, + usb_sndctrlpipe(udev, 0), + (unsigned char *)&wpanusb->tx_dr, skb->data, + skb->len, wpanusb_xmit_complete, NULL); + ret = usb_submit_urb(wpanusb->tx_urb, GFP_ATOMIC); + + dev_dbg(&udev->dev, "%s: ret %d len %u seq %u\n", __func__, ret, + skb->len, wpanusb->tx_ack_seq); + + return ret; +} + +static int wpanusb_channel(struct ieee802154_hw *hw, u8 page, u8 channel) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + struct set_channel *req; + int ret; + + req = kmalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return -ENOMEM; + + req->page = page; + req->channel = channel; + + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), + SET_CHANNEL, req, sizeof(*req)); + kfree(req); + if (ret < 0) { + dev_err(&udev->dev, "Failed set channel, ret %d", ret); + return ret; + } + + dev_dbg(&udev->dev, "set page %u channel %u", page, channel); + + return 0; +} + +static int wpanusb_ed(struct ieee802154_hw *hw, u8 *level) +{ + WARN_ON(!level); + + *level = 0xbe; + + return 0; +} + +static int wpanusb_set_hw_addr_filt(struct ieee802154_hw *hw, + struct ieee802154_hw_addr_filt *filt, + unsigned long changed) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + int ret = 0; + + if (changed & IEEE802154_AFILT_SADDR_CHANGED) { + struct set_short_addr *req; + + req = kmalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return -ENOMEM; + + req->short_addr = filt->short_addr; + + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), + SET_SHORT_ADDR, req, sizeof(*req)); + kfree(req); + if (ret < 0) { + dev_err(&udev->dev, "Failed to set short_addr, ret %d", + ret); + return ret; + } + + dev_dbg(&udev->dev, "short addr changed to 0x%04x", + le16_to_cpu(filt->short_addr)); + } + + if (changed & IEEE802154_AFILT_PANID_CHANGED) { + struct set_pan_id *req; + + req = kmalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return -ENOMEM; + + req->pan_id = filt->pan_id; + + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), + SET_PAN_ID, req, sizeof(*req)); + kfree(req); + if (ret < 0) { + dev_err(&udev->dev, "Failed to set pan_id, ret %d", + ret); + return ret; + } + + dev_dbg(&udev->dev, "pan id changed to 0x%04x", + le16_to_cpu(filt->pan_id)); + } + + if (changed & IEEE802154_AFILT_IEEEADDR_CHANGED) { + struct set_ieee_addr *req; + + req = kmalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return -ENOMEM; + + memcpy(&req->ieee_addr, &filt->ieee_addr, + sizeof(req->ieee_addr)); + + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), + SET_IEEE_ADDR, req, sizeof(*req)); + kfree(req); + if (ret < 0) { + dev_err(&udev->dev, "Failed to set ieee_addr, ret %d", + ret); + return ret; + } + + dev_dbg(&udev->dev, "IEEE addr changed"); + } + + if (changed & IEEE802154_AFILT_PANC_CHANGED) { + dev_dbg(&udev->dev, "panc changed"); + + dev_err(&udev->dev, "Not handled AFILT_PANC_CHANGED"); + } + + return ret; +} + +static int wpanusb_set_extended_addr(struct ieee802154_hw *hw) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + unsigned char *buffer; + __le64 extended_addr; + int ret = 0; + u64 addr; + + buffer = kmalloc(IEEE802154_EXTENDED_ADDR_LEN, GFP_KERNEL); + if (!buffer) + return -ENOMEM; + + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), GET_EXTENDED_ADDR, buffer, + IEEE802154_EXTENDED_ADDR_LEN); + if (ret < 0) { + dev_err(&udev->dev, "failed to fetch extended address, random address set\n"); + ieee802154_random_extended_addr(&wpanusb->hw->phy->perm_extended_addr); + kfree(buffer); + return ret; + } + + memcpy(&extended_addr, buffer, IEEE802154_EXTENDED_ADDR_LEN); + /* Check if read address is not empty and the unicast bit is set correctly */ + if (!ieee802154_is_valid_extended_unicast_addr(extended_addr)) { + dev_info(&udev->dev, "no permanent extended address found, random address set\n"); + ieee802154_random_extended_addr(&wpanusb->hw->phy->perm_extended_addr); + } else { + wpanusb->hw->phy->perm_extended_addr = extended_addr; + addr = swab64((__force u64)wpanusb->hw->phy->perm_extended_addr); + dev_info(&udev->dev, "Read permanent extended address %8phC from device\n", &addr); + } + + kfree(buffer); + return ret; +} + +/* FIXME: these need to come as capabilities from the device */ +static const s32 wpanusb_powers[] = { + 300, 280, 230, 180, 130, 70, 0, -100, -200, -300, -400, -500, -700, + -900, -1200, -1700, +}; + +static int wpanusb_get_device_capabilities(struct ieee802154_hw *hw) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + unsigned char *buffer; + uint32_t valid_channels; + int ret = 0; + + buffer = kmalloc(IEEE802154_EXTENDED_ADDR_LEN, GFP_KERNEL); + if (!buffer) + return -ENOMEM; + + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), GET_EXTENDED_ADDR, buffer, + IEEE802154_EXTENDED_ADDR_LEN); + if (ret < 0) { + dev_err(&udev->dev, "failed to fetch extended address, random address set\n"); + ieee802154_random_extended_addr(&wpanusb->hw->phy->perm_extended_addr); + kfree(buffer); + return ret; + } + + buffer = kmalloc(sizeof(valid_channels), GFP_NOIO); + if (!buffer) + return -ENOMEM; + ret = wpanusb_control_recv(wpanusb, GET_SUPPORTED_CHANNELS, buffer, sizeof(valid_channels)); + if (ret != sizeof(uint32_t)) { + dev_err(&udev->dev, "failed to fetch supported channels\n"); + kfree(buffer); + return ret; + } + valid_channels = *(uint32_t *)buffer; + if (!valid_channels) { + dev_err(&udev->dev, "failed to fetch valid channels, setting default valid channels\n"); + valid_channels = WPANUSB_VALID_CHANNELS; + } + + /* FIXME: these need to come from device capabilities */ + hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT; + + /* FIXME: these need to come from device capabilities */ + hw->phy->flags = WPAN_PHY_FLAG_TXPOWER; + + /* Set default and supported channels */ + hw->phy->current_page = 0; + hw->phy->current_channel = ffs(valid_channels) - 1; //set to lowest valid channel + hw->phy->supported.channels[0] = valid_channels; + + /* FIXME: these need to come from device capabilities */ + hw->phy->supported.tx_powers = wpanusb_powers; + hw->phy->supported.tx_powers_size = ARRAY_SIZE(wpanusb_powers); + hw->phy->transmit_power = hw->phy->supported.tx_powers[0]; + + kfree(buffer); + return ret; +} + +static int wpanusb_start(struct ieee802154_hw *hw) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + int ret; + + schedule_delayed_work(&wpanusb->work, 0); + + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), + START, NULL, 0); + if (ret < 0) { + dev_err(&udev->dev, "Failed to start ieee802154"); + usb_kill_anchored_urbs(&wpanusb->idle_urbs); + } + + return ret; +} + +static void wpanusb_stop(struct ieee802154_hw *hw) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + int ret; + + dev_dbg(&udev->dev, "stop"); + + usb_kill_anchored_urbs(&wpanusb->idle_urbs); + + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), + STOP, NULL, 0); + if (ret < 0) + dev_err(&udev->dev, "Failed to stop ieee802154"); +} + +static int wpanusb_set_txpower(struct ieee802154_hw *hw, s32 mbm) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + + dev_err(&udev->dev, "%s: Not handled, mbm %d", __func__, mbm); + + return -ENOTSUPP; +} + +static int wpanusb_set_cca_mode(struct ieee802154_hw *hw, + const struct wpan_phy_cca *cca) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + + dev_err(&udev->dev, "%s: Not handled, mode %u opt %u", + __func__, cca->mode, cca->opt); + + switch (cca->mode) { + case NL802154_CCA_ENERGY: + break; + case NL802154_CCA_CARRIER: + break; + case NL802154_CCA_ENERGY_CARRIER: + break; + default: + return -EINVAL; + } + + return 0; +} + +static int wpanusb_set_lbt(struct ieee802154_hw *hw, bool on) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + int ret = 0; + + if (on) + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), + SET_LBT, NULL, 0); + + return ret; +} + +static int wpanusb_set_frame_retries(struct ieee802154_hw *hw, s8 retries) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + int ret; + + /* FIXME pass retries onwards to device */ + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), + SET_FRAME_RETRIES, NULL, 0); + + return ret; +} + +static int wpanusb_set_cca_ed_level(struct ieee802154_hw *hw, s32 mbm) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + + dev_err(&udev->dev, "%s: Not handled, mbm %d", __func__, mbm); + + return 0; +} + +static int wpanusb_set_csma_params(struct ieee802154_hw *hw, u8 min_be, + u8 max_be, u8 retries) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + + dev_err(&udev->dev, "%s: Not handled, min_be %u max_be %u retr %u", + __func__, min_be, max_be, retries); + + return 0; +} + +static int wpanusb_set_promiscuous_mode(struct ieee802154_hw *hw, const bool on) +{ + struct wpanusb *wpanusb = hw->priv; + struct usb_device *udev = wpanusb->udev; + + dev_err(&udev->dev, "%s: Not handled, on %d", __func__, on); + + return 0; +} + +static const struct ieee802154_ops wpanusb_ops = { + .owner = THIS_MODULE, + .xmit_async = wpanusb_xmit, + .ed = wpanusb_ed, + .set_channel = wpanusb_channel, + .start = wpanusb_start, + .stop = wpanusb_stop, + .set_hw_addr_filt = wpanusb_set_hw_addr_filt, + .set_txpower = wpanusb_set_txpower, + .set_lbt = wpanusb_set_lbt, + .set_cca_mode = wpanusb_set_cca_mode, + .set_cca_ed_level = wpanusb_set_cca_ed_level, + .set_csma_params = wpanusb_set_csma_params, + .set_frame_retries = wpanusb_set_frame_retries, + .set_promiscuous_mode = wpanusb_set_promiscuous_mode, +}; + +/* ----- Setup ------------------------------------------------------------- */ + +static int wpanusb_probe(struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(interface); + struct ieee802154_hw *hw; + struct wpanusb *wpanusb; + int ret; + + hw = ieee802154_alloc_hw(sizeof(struct wpanusb), &wpanusb_ops); + if (!hw) + return -ENOMEM; + + wpanusb = hw->priv; + wpanusb->hw = hw; + wpanusb->udev = usb_get_dev(udev); + usb_set_intfdata(interface, wpanusb); + + wpanusb->shutdown = 0; + INIT_DELAYED_WORK(&wpanusb->work, wpanusb_work_urbs); + init_usb_anchor(&wpanusb->idle_urbs); + init_usb_anchor(&wpanusb->rx_urbs); + + ret = wpanusb_alloc_urbs(wpanusb, WPANUSB_NUM_RX_URBS); + if (ret) + goto fail; + + wpanusb->tx_dr.bRequestType = VENDOR_OUT; + wpanusb->tx_dr.bRequest = TX; + wpanusb->tx_dr.wValue = cpu_to_le16(0); + + wpanusb->tx_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!wpanusb->tx_urb) + goto fail; + + hw->parent = &udev->dev; + + ret = wpanusb_control_send(wpanusb, usb_sndctrlpipe(udev, 0), RESET, + NULL, 0); + if (ret < 0) { + dev_err(&udev->dev, "Failed to RESET ieee802154"); + goto fail; + } + + ret = wpanusb_get_device_capabilities(hw); + + if (ret < 0) { + dev_err(&udev->dev, "Failed to get device capabilities"); + goto fail; + } + + ret = wpanusb_set_extended_addr(hw); + + if (ret < 0) { + dev_err(&udev->dev, "Failed to set permanent address"); + goto fail; + } + + ret = ieee802154_register_hw(hw); + if (ret) { + dev_err(&udev->dev, "Failed to register ieee802154"); + goto fail; + } + + dev_dbg(&udev->dev, "ieee802154 ready to go"); + + return 0; + +fail: + dev_err(&udev->dev, "Failed ieee802154 probe"); + wpanusb_free_urbs(wpanusb); + usb_kill_urb(wpanusb->tx_urb); + usb_free_urb(wpanusb->tx_urb); + usb_put_dev(udev); + ieee802154_free_hw(hw); + + return ret; +} + +static void wpanusb_disconnect(struct usb_interface *interface) +{ + struct wpanusb *wpanusb = usb_get_intfdata(interface); + + wpanusb->shutdown = 1; + cancel_delayed_work_sync(&wpanusb->work); + + usb_kill_anchored_urbs(&wpanusb->rx_urbs); + wpanusb_free_urbs(wpanusb); + usb_kill_urb(wpanusb->tx_urb); + usb_free_urb(wpanusb->tx_urb); + + ieee802154_unregister_hw(wpanusb->hw); + + ieee802154_free_hw(wpanusb->hw); + + usb_set_intfdata(interface, NULL); + usb_put_dev(wpanusb->udev); +} + +/* The devices we work with */ +static const struct usb_device_id wpanusb_device_table[] = { + { + USB_DEVICE_AND_INTERFACE_INFO(WPANUSB_VENDOR_ID, + WPANUSB_PRODUCT_ID, + USB_CLASS_VENDOR_SPEC, + 0, 0), + USB_DEVICE_AND_INTERFACE_INFO(BEAGLECONNECT_VENDOR_ID, + BEAGLECONNECT_PRODUCT_ID, + USB_CLASS_VENDOR_SPEC, + 0, 0) + }, + /* end with null element */ + {} +}; +MODULE_DEVICE_TABLE(usb, wpanusb_device_table); + +static struct usb_driver wpanusb_driver = { + .name = "wpanusb", + .probe = wpanusb_probe, + .disconnect = wpanusb_disconnect, + .id_table = wpanusb_device_table, +}; +module_usb_driver(wpanusb_driver); + +MODULE_AUTHOR("Andrei Emeltchenko "); +MODULE_DESCRIPTION("WPANUSB IEEE 802.15.4 over USB Driver"); +MODULE_LICENSE("GPL"); diff --git b/drivers/net/ieee802154/wpanusb.h b/drivers/net/ieee802154/wpanusb.h new file mode 100644 index 0000000..52e54fd --- /dev/null +++ b/drivers/net/ieee802154/wpanusb.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Definitions shared between kernel and WPANUSB firmware + * + * Copyright (C) 2018 Intel Corp. + * + * Written by Andrei Emeltchenko + */ + +#define WPANUSB_VENDOR_ID 0x2fe3 +#define WPANUSB_PRODUCT_ID 0x0101 + +#define BEAGLECONNECT_VENDOR_ID 0x2047 +#define BEAGLECONNECT_PRODUCT_ID 0x0aa5 + +enum wpanusb_requests { + RESET, + TX, + XMIT_ASYNC, + ED, + SET_CHANNEL, + START, + STOP, + SET_SHORT_ADDR, + SET_PAN_ID, + SET_IEEE_ADDR, + SET_TXPOWER, + SET_CCA_MODE, + SET_CCA_ED_LEVEL, + SET_CSMA_PARAMS, + SET_LBT, + SET_FRAME_RETRIES, + SET_PROMISCUOUS_MODE, + GET_EXTENDED_ADDR, + GET_SUPPORTED_CHANNELS, +}; + +struct set_channel { + __u8 page; + __u8 channel; +} __packed; + +struct set_short_addr { + __le16 short_addr; +} __packed; + +struct set_pan_id { + __le16 pan_id; +} __packed; + +struct set_ieee_addr { + __le64 ieee_addr; +} __packed; diff --git a/drivers/net/wireless/ti/wl1251/cmd.c b/drivers/net/wireless/ti/wl1251/cmd.c index ea02152..d7a8691 100644 --- a/drivers/net/wireless/ti/wl1251/cmd.c +++ b/drivers/net/wireless/ti/wl1251/cmd.c @@ -63,7 +63,7 @@ out: * * @wl: wl struct * @buf: buffer containing the command, with all headers, must work with dma - * @len: length of the buffer + * @buf_len: length of the buffer * @answer: is answer needed */ int wl1251_cmd_test(struct wl1251 *wl, void *buf, size_t buf_len, u8 answer) @@ -175,10 +175,8 @@ int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity, wl1251_debug(DEBUG_CMD, "cmd vbm"); vbm = kzalloc(sizeof(*vbm), GFP_KERNEL); - if (!vbm) { - ret = -ENOMEM; - goto out; - } + if (!vbm) + return -ENOMEM; /* Count and period will be filled by the target */ vbm->tim.bitmap_ctrl = bitmap_control; @@ -213,10 +211,8 @@ int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable) wl1251_debug(DEBUG_CMD, "cmd data path"); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) { - ret = -ENOMEM; - goto out; - } + if (!cmd) + return -ENOMEM; cmd->channel = channel; @@ -279,10 +275,8 @@ int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel, u8 *bssid; join = kzalloc(sizeof(*join), GFP_KERNEL); - if (!join) { - ret = -ENOMEM; - goto out; - } + if (!join) + return -ENOMEM; wl1251_debug(DEBUG_CMD, "cmd join%s ch %d %d/%d", bss_type == BSS_TYPE_IBSS ? " ibss" : "", @@ -324,10 +318,8 @@ int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode) wl1251_debug(DEBUG_CMD, "cmd set ps mode"); ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); - if (!ps_params) { - ret = -ENOMEM; - goto out; - } + if (!ps_params) + return -ENOMEM; ps_params->ps_mode = ps_mode; ps_params->send_null_data = 1; @@ -356,10 +348,8 @@ int wl1251_cmd_read_memory(struct wl1251 *wl, u32 addr, void *answer, wl1251_debug(DEBUG_CMD, "cmd read memory"); cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) { - ret = -ENOMEM; - goto out; - } + if (!cmd) + return -ENOMEM; WARN_ON(len > MAX_READ_SIZE); len = min_t(size_t, len, MAX_READ_SIZE); @@ -401,10 +391,8 @@ int wl1251_cmd_template_set(struct wl1251 *wl, u16 cmd_id, cmd_len = ALIGN(sizeof(*cmd) + buf_len, 4); cmd = kzalloc(cmd_len, GFP_KERNEL); - if (!cmd) { - ret = -ENOMEM; - goto out; - } + if (!cmd) + return -ENOMEM; cmd->size = cpu_to_le16(buf_len); diff --git a/drivers/net/wireless/ti/wl1251/debugfs.c b/drivers/net/wireless/ti/wl1251/debugfs.c index d48746e..a1b778a 100644 --- a/drivers/net/wireless/ti/wl1251/debugfs.c +++ b/drivers/net/wireless/ti/wl1251/debugfs.c @@ -39,7 +39,7 @@ static const struct file_operations name## _ops = { \ #define DEBUGFS_ADD(name, parent) \ wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \ - wl, &name## _ops); \ + wl, &name## _ops) \ #define DEBUGFS_DEL(name) \ do { \ diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index bf45ada..386e9c6 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2227,7 +2227,7 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) switch (ieee80211_vif_type_p2p(vif)) { case NL80211_IFTYPE_P2P_CLIENT: wlvif->p2p = 1; - /* fall-through */ + fallthrough; case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_DEVICE: wlvif->bss_type = BSS_TYPE_STA_BSS; @@ -2237,7 +2237,7 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) break; case NL80211_IFTYPE_P2P_GO: wlvif->p2p = 1; - /* fall-through */ + fallthrough; case NL80211_IFTYPE_AP: case NL80211_IFTYPE_MESH_POINT: wlvif->bss_type = BSS_TYPE_AP_BSS; @@ -5381,7 +5381,7 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, if (wl->ba_rx_session_count >= wl->ba_rx_session_count_max) { ret = -EBUSY; - wl1271_error("exceeded max RX BA sessions"); + wl1271_debug(DEBUG_RX, "exceeded max RX BA sessions"); break; } diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c index d422130..68bb274 100644 --- a/drivers/net/wireless/ti/wlcore/spi.c +++ b/drivers/net/wireless/ti/wlcore/spi.c @@ -391,7 +391,7 @@ static int wl12xx_spi_set_power(struct device *child, bool enable) return ret; } -/** +/* * wl12xx_spi_set_block_size * * This function is not needed for spi mode, but need to be present. @@ -431,7 +431,6 @@ MODULE_DEVICE_TABLE(of, wlcore_spi_of_match_table); /** * wlcore_probe_of - DT node parsing. * @spi: SPI slave device parameters. - * @res: resource parameters. * @glue: wl12xx SPI bus to slave device glue parameters. * @pdev_data: wlcore device parameters */ diff --git a/drivers/net/wireless/ti/wlcore/sysfs.c b/drivers/net/wireless/ti/wlcore/sysfs.c index 7ac1814..5cf0379 100644 --- a/drivers/net/wireless/ti/wlcore/sysfs.c +++ b/drivers/net/wireless/ti/wlcore/sysfs.c @@ -100,7 +100,7 @@ static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj, struct bin_attribute *bin_attr, char *buffer, loff_t pos, size_t count) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = kobj_to_dev(kobj); struct wl1271 *wl = dev_get_drvdata(dev); ssize_t len; int ret; diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 696bf77..05cdb76 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only source "drivers/power/reset/Kconfig" source "drivers/power/supply/Kconfig" +source "drivers/power/pwrseq/Kconfig" diff --git a/drivers/power/Makefile b/drivers/power/Makefile index effbf03..081844e 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_POWER_RESET) += reset/ obj-$(CONFIG_POWER_SUPPLY) += supply/ +obj-$(CONFIG_POWER_SEQUENCE) += pwrseq/ diff --git b/drivers/power/pwrseq/Kconfig b/drivers/power/pwrseq/Kconfig new file mode 100644 index 0000000..c6b3569 --- /dev/null +++ b/drivers/power/pwrseq/Kconfig @@ -0,0 +1,20 @@ +# +# Power Sequence library +# + +menuconfig POWER_SEQUENCE + bool "Power sequence control" + help + It is used for drivers which needs to do power sequence + (eg, turn on clock, toggle reset gpio) before the related + devices can be found by hardware, eg, USB bus. + +if POWER_SEQUENCE + +config PWRSEQ_GENERIC + bool "Generic power sequence control" + depends on OF + help + This is the generic power sequence control library, and is + supposed to support common power sequence usage. +endif diff --git b/drivers/power/pwrseq/Makefile b/drivers/power/pwrseq/Makefile new file mode 100644 index 0000000..ad82389 --- /dev/null +++ b/drivers/power/pwrseq/Makefile @@ -0,0 +1,2 @@ +obj-$(CONFIG_POWER_SEQUENCE) += core.o +obj-$(CONFIG_PWRSEQ_GENERIC) += pwrseq_generic.o diff --git b/drivers/power/pwrseq/core.c b/drivers/power/pwrseq/core.c new file mode 100644 index 0000000..3d19e62 --- /dev/null +++ b/drivers/power/pwrseq/core.c @@ -0,0 +1,335 @@ +/* + * core.c power sequence core file + * + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Author: Peter Chen + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. + */ + +#include +#include +#include +#include +#include + +static DEFINE_MUTEX(pwrseq_list_mutex); +static LIST_HEAD(pwrseq_list); + +static int pwrseq_get(struct device_node *np, struct pwrseq *p) +{ + if (p && p->get) + return p->get(np, p); + + return -ENOTSUPP; +} + +static int pwrseq_on(struct pwrseq *p) +{ + if (p && p->on) + return p->on(p); + + return -ENOTSUPP; +} + +static void pwrseq_off(struct pwrseq *p) +{ + if (p && p->off) + p->off(p); +} + +static void pwrseq_put(struct pwrseq *p) +{ + if (p && p->put) + p->put(p); +} + +/** + * pwrseq_register - Add pwrseq instance to global pwrseq list + * + * @pwrseq: the pwrseq instance + */ +void pwrseq_register(struct pwrseq *pwrseq) +{ + mutex_lock(&pwrseq_list_mutex); + list_add(&pwrseq->node, &pwrseq_list); + mutex_unlock(&pwrseq_list_mutex); +} +EXPORT_SYMBOL_GPL(pwrseq_register); + +/** + * pwrseq_unregister - Remove pwrseq instance from global pwrseq list + * + * @pwrseq: the pwrseq instance + */ +void pwrseq_unregister(struct pwrseq *pwrseq) +{ + mutex_lock(&pwrseq_list_mutex); + list_del(&pwrseq->node); + mutex_unlock(&pwrseq_list_mutex); +} +EXPORT_SYMBOL_GPL(pwrseq_unregister); + +static struct pwrseq *pwrseq_find_available_instance(struct device_node *np) +{ + struct pwrseq *pwrseq; + + mutex_lock(&pwrseq_list_mutex); + list_for_each_entry(pwrseq, &pwrseq_list, node) { + if (pwrseq->used) + continue; + + /* compare compatible string for pwrseq node */ + if (of_match_node(pwrseq->pwrseq_of_match_table, np)) { + pwrseq->used = true; + mutex_unlock(&pwrseq_list_mutex); + return pwrseq; + } + + /* return generic pwrseq instance */ + if (!strcmp(pwrseq->pwrseq_of_match_table->compatible, + "generic")) { + pr_debug("using generic pwrseq instance for %s\n", + np->full_name); + pwrseq->used = true; + mutex_unlock(&pwrseq_list_mutex); + return pwrseq; + } + } + mutex_unlock(&pwrseq_list_mutex); + pr_debug("Can't find any pwrseq instances for %s\n", np->full_name); + + return NULL; +} + +/** + * of_pwrseq_on - Carry out power sequence on for device node + * + * @np: the device node would like to power on + * + * Carry out a single device power on. If multiple devices + * need to be handled, use of_pwrseq_on_list() instead. + * + * Return a pointer to the power sequence instance on success, + * or an error code otherwise. + */ +struct pwrseq *of_pwrseq_on(struct device_node *np) +{ + struct pwrseq *pwrseq; + int ret; + + pwrseq = pwrseq_find_available_instance(np); + if (!pwrseq) + return ERR_PTR(-ENOENT); + + ret = pwrseq_get(np, pwrseq); + if (ret) { + /* Mark current pwrseq as unused */ + pwrseq->used = false; + return ERR_PTR(ret); + } + + ret = pwrseq_on(pwrseq); + if (ret) + goto pwr_put; + + return pwrseq; + +pwr_put: + pwrseq_put(pwrseq); + return ERR_PTR(ret); +} +EXPORT_SYMBOL_GPL(of_pwrseq_on); + +/** + * of_pwrseq_off - Carry out power sequence off for this pwrseq instance + * + * @pwrseq: the pwrseq instance which related device would like to be off + * + * This API is used to power off single device, it is the opposite + * operation for of_pwrseq_on. + */ +void of_pwrseq_off(struct pwrseq *pwrseq) +{ + pwrseq_off(pwrseq); + pwrseq_put(pwrseq); +} +EXPORT_SYMBOL_GPL(of_pwrseq_off); + +/** + * of_pwrseq_on_list - Carry out power sequence on for list + * + * @np: the device node would like to power on + * @head: the list head for pwrseq list on this bus + * + * This API is used to power on multiple devices at single bus. + * If there are several devices on bus (eg, USB bus), uses this + * this API. Otherwise, use of_pwrseq_on instead. After the device + * is powered on successfully, it will be added to pwrseq list for + * this bus. The caller needs to use mutex_lock for concurrent. + * + * Return 0 on success, or an error value otherwise. + */ +int of_pwrseq_on_list(struct device_node *np, struct list_head *head) +{ + struct pwrseq *pwrseq; + struct pwrseq_list_per_dev *pwrseq_list_node; + + pwrseq_list_node = kzalloc(sizeof(*pwrseq_list_node), GFP_KERNEL); + if (!pwrseq_list_node) + return -ENOMEM; + + pwrseq = of_pwrseq_on(np); + if (IS_ERR(pwrseq)) { + kfree(pwrseq_list_node); + return PTR_ERR(pwrseq); + } + + pwrseq_list_node->pwrseq = pwrseq; + list_add(&pwrseq_list_node->list, head); + + return 0; +} +EXPORT_SYMBOL_GPL(of_pwrseq_on_list); + +/** + * of_pwrseq_off_list - Carry out power sequence off for the list + * + * @head: the list head for pwrseq instance list on this bus + * + * This API is used to power off all devices on this bus, it is + * the opposite operation for of_pwrseq_on_list. + * The caller needs to use mutex_lock for concurrent. + */ +void of_pwrseq_off_list(struct list_head *head) +{ + struct pwrseq *pwrseq; + struct pwrseq_list_per_dev *pwrseq_list_node, *tmp_node; + + list_for_each_entry_safe(pwrseq_list_node, tmp_node, head, list) { + pwrseq = pwrseq_list_node->pwrseq; + of_pwrseq_off(pwrseq); + list_del(&pwrseq_list_node->list); + kfree(pwrseq_list_node); + } +} +EXPORT_SYMBOL_GPL(of_pwrseq_off_list); + +/** + * pwrseq_suspend - Carry out power sequence suspend for this pwrseq instance + * + * @pwrseq: the pwrseq instance + * + * This API is used to do suspend operation on pwrseq instance. + * + * Return 0 on success, or an error value otherwise. + */ +int pwrseq_suspend(struct pwrseq *p) +{ + int ret = 0; + + if (p && p->suspend) + ret = p->suspend(p); + else + return ret; + + if (!ret) + p->suspended = true; + else + pr_err("%s failed\n", __func__); + + return ret; +} +EXPORT_SYMBOL_GPL(pwrseq_suspend); + +/** + * pwrseq_resume - Carry out power sequence resume for this pwrseq instance + * + * @pwrseq: the pwrseq instance + * + * This API is used to do resume operation on pwrseq instance. + * + * Return 0 on success, or an error value otherwise. + */ +int pwrseq_resume(struct pwrseq *p) +{ + int ret = 0; + + if (p && p->resume) + ret = p->resume(p); + else + return ret; + + if (!ret) + p->suspended = false; + else + pr_err("%s failed\n", __func__); + + return ret; +} +EXPORT_SYMBOL_GPL(pwrseq_resume); + +/** + * pwrseq_suspend_list - Carry out power sequence suspend for list + * + * @head: the list head for pwrseq instance list on this bus + * + * This API is used to do suspend on all power sequence instances on this bus. + * The caller needs to use mutex_lock for concurrent. + */ +int pwrseq_suspend_list(struct list_head *head) +{ + struct pwrseq *pwrseq; + struct pwrseq_list_per_dev *pwrseq_list_node; + int ret = 0; + + list_for_each_entry(pwrseq_list_node, head, list) { + ret = pwrseq_suspend(pwrseq_list_node->pwrseq); + if (ret) + break; + } + + if (ret) { + list_for_each_entry(pwrseq_list_node, head, list) { + pwrseq = pwrseq_list_node->pwrseq; + if (pwrseq->suspended) + pwrseq_resume(pwrseq); + } + } + + return ret; +} +EXPORT_SYMBOL_GPL(pwrseq_suspend_list); + +/** + * pwrseq_resume_list - Carry out power sequence resume for the list + * + * @head: the list head for pwrseq instance list on this bus + * + * This API is used to do resume on all power sequence instances on this bus. + * The caller needs to use mutex_lock for concurrent. + */ +int pwrseq_resume_list(struct list_head *head) +{ + struct pwrseq_list_per_dev *pwrseq_list_node; + int ret = 0; + + list_for_each_entry(pwrseq_list_node, head, list) { + ret = pwrseq_resume(pwrseq_list_node->pwrseq); + if (ret) + break; + } + + return ret; +} +EXPORT_SYMBOL_GPL(pwrseq_resume_list); diff --git b/drivers/power/pwrseq/pwrseq_generic.c b/drivers/power/pwrseq/pwrseq_generic.c new file mode 100644 index 0000000..4e7c090 --- /dev/null +++ b/drivers/power/pwrseq/pwrseq_generic.c @@ -0,0 +1,234 @@ +/* + * pwrseq_generic.c Generic power sequence handling + * + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Author: Peter Chen + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +struct pwrseq_generic { + struct pwrseq pwrseq; + struct gpio_desc *gpiod_reset; + struct clk *clks[PWRSEQ_MAX_CLKS]; + u32 duration_us; + bool suspended; +}; + +#define to_generic_pwrseq(p) container_of(p, struct pwrseq_generic, pwrseq) + +static int pwrseq_generic_alloc_instance(void); +static const struct of_device_id generic_id_table[] = { + { .compatible = "generic",}, + { /* sentinel */ } +}; + +static int pwrseq_generic_suspend(struct pwrseq *pwrseq) +{ + struct pwrseq_generic *pwrseq_gen = to_generic_pwrseq(pwrseq); + int clk; + + for (clk = PWRSEQ_MAX_CLKS - 1; clk >= 0; clk--) + clk_disable_unprepare(pwrseq_gen->clks[clk]); + + pwrseq_gen->suspended = true; + return 0; +} + +static int pwrseq_generic_resume(struct pwrseq *pwrseq) +{ + struct pwrseq_generic *pwrseq_gen = to_generic_pwrseq(pwrseq); + int clk, ret = 0; + + for (clk = 0; clk < PWRSEQ_MAX_CLKS && pwrseq_gen->clks[clk]; clk++) { + ret = clk_prepare_enable(pwrseq_gen->clks[clk]); + if (ret) { + pr_err("Can't enable clock, ret=%d\n", ret); + goto err_disable_clks; + } + } + + pwrseq_gen->suspended = false; + return ret; + +err_disable_clks: + while (--clk >= 0) + clk_disable_unprepare(pwrseq_gen->clks[clk]); + + return ret; +} + +static void pwrseq_generic_put(struct pwrseq *pwrseq) +{ + struct pwrseq_generic *pwrseq_gen = to_generic_pwrseq(pwrseq); + int clk; + + if (pwrseq_gen->gpiod_reset) + gpiod_put(pwrseq_gen->gpiod_reset); + + for (clk = 0; clk < PWRSEQ_MAX_CLKS; clk++) + clk_put(pwrseq_gen->clks[clk]); + + pwrseq_unregister(&pwrseq_gen->pwrseq); + kfree(pwrseq_gen); +} + +static void pwrseq_generic_off(struct pwrseq *pwrseq) +{ + struct pwrseq_generic *pwrseq_gen = to_generic_pwrseq(pwrseq); + int clk; + + if (pwrseq_gen->suspended) + return; + + for (clk = PWRSEQ_MAX_CLKS - 1; clk >= 0; clk--) + clk_disable_unprepare(pwrseq_gen->clks[clk]); +} + +static int pwrseq_generic_on(struct pwrseq *pwrseq) +{ + struct pwrseq_generic *pwrseq_gen = to_generic_pwrseq(pwrseq); + int clk, ret = 0; + struct gpio_desc *gpiod_reset = pwrseq_gen->gpiod_reset; + + for (clk = 0; clk < PWRSEQ_MAX_CLKS && pwrseq_gen->clks[clk]; clk++) { + ret = clk_prepare_enable(pwrseq_gen->clks[clk]); + if (ret) { + pr_err("Can't enable clock, ret=%d\n", ret); + goto err_disable_clks; + } + } + + if (gpiod_reset) { + u32 duration_us = pwrseq_gen->duration_us; + + if (duration_us <= 10) + udelay(10); + else + usleep_range(duration_us, duration_us + 100); + gpiod_set_value(gpiod_reset, 0); + } + + return ret; + +err_disable_clks: + while (--clk >= 0) + clk_disable_unprepare(pwrseq_gen->clks[clk]); + + return ret; +} + +static int pwrseq_generic_get(struct device_node *np, struct pwrseq *pwrseq) +{ + struct pwrseq_generic *pwrseq_gen = to_generic_pwrseq(pwrseq); + enum of_gpio_flags flags; + int reset_gpio, clk, ret = 0; + + for (clk = 0; clk < PWRSEQ_MAX_CLKS; clk++) { + pwrseq_gen->clks[clk] = of_clk_get(np, clk); + if (IS_ERR(pwrseq_gen->clks[clk])) { + ret = PTR_ERR(pwrseq_gen->clks[clk]); + if (ret != -ENOENT) + goto err_put_clks; + pwrseq_gen->clks[clk] = NULL; + break; + } + } + + reset_gpio = of_get_named_gpio_flags(np, "reset-gpios", 0, &flags); + if (gpio_is_valid(reset_gpio)) { + unsigned long gpio_flags; + + if (flags & OF_GPIO_ACTIVE_LOW) + gpio_flags = GPIOF_ACTIVE_LOW | GPIOF_OUT_INIT_LOW; + else + gpio_flags = GPIOF_OUT_INIT_HIGH; + + ret = gpio_request_one(reset_gpio, gpio_flags, + "pwrseq-reset-gpios"); + if (ret) + goto err_put_clks; + + pwrseq_gen->gpiod_reset = gpio_to_desc(reset_gpio); + of_property_read_u32(np, "reset-duration-us", + &pwrseq_gen->duration_us); + } else if (reset_gpio == -ENOENT) { + ; /* no such gpio */ + } else { + ret = reset_gpio; + pr_err("Failed to get reset gpio on %s, err = %d\n", + np->full_name, reset_gpio); + goto err_put_clks; + } + + /* allocate new one for later pwrseq instance request */ + ret = pwrseq_generic_alloc_instance(); + if (ret) + goto err_put_gpio; + + return 0; + +err_put_gpio: + if (pwrseq_gen->gpiod_reset) + gpiod_put(pwrseq_gen->gpiod_reset); +err_put_clks: + while (--clk >= 0) + clk_put(pwrseq_gen->clks[clk]); + return ret; +} + +/** + * pwrseq_generic_alloc_instance - power sequence instance allocation + * + * This function is used to allocate one generic power sequence instance, + * it is called when the system boots up and after one power sequence + * instance is got successfully. + * + * Return zero on success or an error code otherwise. + */ +static int pwrseq_generic_alloc_instance(void) +{ + struct pwrseq_generic *pwrseq_gen; + + pwrseq_gen = kzalloc(sizeof(*pwrseq_gen), GFP_KERNEL); + if (!pwrseq_gen) + return -ENOMEM; + + pwrseq_gen->pwrseq.pwrseq_of_match_table = generic_id_table; + pwrseq_gen->pwrseq.get = pwrseq_generic_get; + pwrseq_gen->pwrseq.on = pwrseq_generic_on; + pwrseq_gen->pwrseq.off = pwrseq_generic_off; + pwrseq_gen->pwrseq.put = pwrseq_generic_put; + pwrseq_gen->pwrseq.suspend = pwrseq_generic_suspend; + pwrseq_gen->pwrseq.resume = pwrseq_generic_resume; + + pwrseq_register(&pwrseq_gen->pwrseq); + return 0; +} + +/* Allocate one pwrseq instance during boots up */ +static int __init pwrseq_generic_register(void) +{ + return pwrseq_generic_alloc_instance(); +} +postcore_initcall(pwrseq_generic_register) diff --git a/drivers/regulator/twl6030-regulator.c b/drivers/regulator/twl6030-regulator.c index 430265c..99f7eb8 100644 --- a/drivers/regulator/twl6030-regulator.c +++ b/drivers/regulator/twl6030-regulator.c @@ -299,6 +299,13 @@ static const struct regulator_ops twl6030fixed_ops = { .get_status = twl6030reg_get_status, }; +static struct regulator_ops twl6030_fixed_resource = { + .enable = twl6030reg_enable, + .disable = twl6030reg_disable, + .is_enabled = twl6030reg_is_enabled, + .get_status = twl6030reg_get_status, +}; + /* * SMPS status and control */ @@ -572,6 +579,19 @@ static const struct twlreg_info TWLSMPS_INFO_##label = { \ }, \ } +#define TWL6030_FIXED_RESOURCE(label, offset, turnon_delay) \ +static struct twlreg_info TWLRES_INFO_##label = { \ + .base = offset, \ + .desc = { \ + .name = #label, \ + .id = TWL6030_REG_##label, \ + .ops = &twl6030_fixed_resource, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .enable_time = turnon_delay, \ + }, \ + } + /* VUSBCP is managed *only* by the USB subchip */ /* 6030 REG with base as PMC Slave Misc : 0x0030 */ /* Turnon-delay and remap configuration values for 6030 are not @@ -601,6 +621,7 @@ TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0); TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0); TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0); TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0); +TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 0); TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34); TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10); TWL6032_ADJUSTABLE_SMPS(VIO, 0x16); @@ -632,6 +653,7 @@ static u8 twl_get_smps_mult(void) #define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label) #define TWL6032_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6032, label) #define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label) +#define TWLRES_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLRES, label) #define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label) static const struct of_device_id twl_of_match[] = { @@ -659,6 +681,7 @@ static const struct of_device_id twl_of_match[] = { TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB), TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8), TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1), + TWLRES_OF_MATCH("ti,twl6030-clk32kg", CLK32KG), TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3), TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4), TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO), diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index d99548f..e68fced 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -24,11 +24,12 @@ config REMOTEPROC_CDEV It's safe to say N if you don't want to use this interface. config IMX_REMOTEPROC - tristate "IMX6/7 remoteproc support" + tristate "i.MX remoteproc support" depends on ARCH_MXC + select MAILBOX help - Say y here to support iMX's remote processors (Cortex M4 - on iMX7D) via the remote processor framework. + Say y here to support iMX's remote processors via the remote + processor framework. It's safe to say N here. @@ -125,6 +126,18 @@ config KEYSTONE_REMOTEPROC It's safe to say N here if you're not interested in the Keystone DSPs or just want to use a bare minimum kernel. +config PRU_REMOTEPROC + tristate "TI PRU remoteproc support" + depends on TI_PRUSS + default TI_PRUSS + help + Support for TI PRU remote processors present within a PRU-ICSS + subsystem via the remote processor framework. + + Say Y or M here to support the Programmable Realtime Unit (PRU) + processors on various TI SoCs. It's safe to say N here if you're + not interested in the PRU or if you are unsure. + config QCOM_PIL_INFO tristate @@ -143,6 +156,7 @@ config QCOM_Q6V5_ADSP depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n) depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select MFD_SYSCON select QCOM_PIL_INFO select QCOM_MDT_LOADER @@ -150,7 +164,9 @@ config QCOM_Q6V5_ADSP select QCOM_RPROC_COMMON help Say y here to support the Peripheral Image Loader - for the Qualcomm Technology Inc. ADSP remote processors. + for the non-TrustZone part of Qualcomm Technology Inc. ADSP and CDSP + remote processors. The TrustZone part is handled by QCOM_Q6V5_PAS + driver. config QCOM_Q6V5_MSS tristate "Qualcomm Hexagon V5 self-authenticating modem subsystem support" @@ -159,6 +175,7 @@ config QCOM_Q6V5_MSS depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n) depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select MFD_SYSCON select QCOM_MDT_LOADER select QCOM_PIL_INFO @@ -167,7 +184,8 @@ config QCOM_Q6V5_MSS select QCOM_SCM help Say y here to support the Qualcomm self-authenticating modem - subsystem based on Hexagon V5. + subsystem based on Hexagon V5. The TrustZone based system is + handled by QCOM_Q6V5_PAS driver. config QCOM_Q6V5_PAS tristate "Qualcomm Hexagon v5 Peripheral Authentication Service support" @@ -176,6 +194,7 @@ config QCOM_Q6V5_PAS depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n) depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select MFD_SYSCON select QCOM_PIL_INFO select QCOM_MDT_LOADER @@ -183,9 +202,11 @@ config QCOM_Q6V5_PAS select QCOM_RPROC_COMMON select QCOM_SCM help - Say y here to support the TrustZone based Peripherial Image Loader + Say y here to support the TrustZone based Peripheral Image Loader for the Qualcomm Hexagon v5 based remote processors. This is commonly - used to control subsystems such as ADSP, Compute and Sensor. + used to control subsystems such as ADSP (Audio DSP), + CDSP (Compute DSP), MPSS (Modem Peripheral SubSystem), and + SLPI (Sensor Low Power Island). config QCOM_Q6V5_WCSS tristate "Qualcomm Hexagon based WCSS Peripheral Image Loader" @@ -194,6 +215,7 @@ config QCOM_Q6V5_WCSS depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n) depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select MFD_SYSCON select QCOM_MDT_LOADER select QCOM_PIL_INFO @@ -202,7 +224,8 @@ config QCOM_Q6V5_WCSS select QCOM_SCM help Say y here to support the Qualcomm Peripheral Image Loader for the - Hexagon V5 based WCSS remote processors. + Hexagon V5 based WCSS remote processors on e.g. IPQ8074. This is + a non-TrustZone wireless subsystem. config QCOM_SYSMON tristate "Qualcomm sysmon driver" @@ -226,13 +249,16 @@ config QCOM_WCNSS_PIL depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SMEM depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select QCOM_MDT_LOADER select QCOM_PIL_INFO select QCOM_RPROC_COMMON select QCOM_SCM help - Say y here to support the Peripheral Image Loader for the Qualcomm - Wireless Connectivity Subsystem. + Say y here to support the Peripheral Image Loader for loading WCNSS + firmware and boot the core on e.g. MSM8974, MSM8916. The firmware is + verified and booted with the help of the Peripheral Authentication + System (PAS) in TrustZone. config ST_REMOTEPROC tristate "ST remoteproc support" diff --git a/drivers/remoteproc/Makefile b/drivers/remoteproc/Makefile index da2ace4..bb26c9e 100644 --- a/drivers/remoteproc/Makefile +++ b/drivers/remoteproc/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_OMAP_REMOTEPROC) += omap_remoteproc.o obj-$(CONFIG_WKUP_M3_RPROC) += wkup_m3_rproc.o obj-$(CONFIG_DA8XX_REMOTEPROC) += da8xx_remoteproc.o obj-$(CONFIG_KEYSTONE_REMOTEPROC) += keystone_remoteproc.o +obj-$(CONFIG_PRU_REMOTEPROC) += pru_rproc.o obj-$(CONFIG_QCOM_PIL_INFO) += qcom_pil_info.o obj-$(CONFIG_QCOM_RPROC_COMMON) += qcom_common.o obj-$(CONFIG_QCOM_Q6V5_COMMON) += qcom_q6v5.o diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 8957ed2..d633887 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -7,13 +7,18 @@ #include #include #include +#include #include #include #include +#include #include #include #include #include +#include + +#include "remoteproc_internal.h" #define IMX7D_SRC_SCR 0x0C #define IMX7D_ENABLE_M4 BIT(3) @@ -43,7 +48,7 @@ | IMX6SX_SW_M4C_NON_SCLR_RST \ | IMX6SX_SW_M4C_RST) -#define IMX7D_RPROC_MEM_MAX 8 +#define IMX_RPROC_MEM_MAX 32 /** * struct imx_rproc_mem - slim internal memory structure @@ -83,8 +88,42 @@ struct imx_rproc { struct regmap *regmap; struct rproc *rproc; const struct imx_rproc_dcfg *dcfg; - struct imx_rproc_mem mem[IMX7D_RPROC_MEM_MAX]; + struct imx_rproc_mem mem[IMX_RPROC_MEM_MAX]; struct clk *clk; + struct mbox_client cl; + struct mbox_chan *tx_ch; + struct mbox_chan *rx_ch; + struct work_struct rproc_work; + struct workqueue_struct *workqueue; + void __iomem *rsc_table; +}; + +static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { + /* dev addr , sys addr , size , flags */ + /* TCML - alias */ + { 0x00000000, 0x007e0000, 0x00020000, 0 }, + /* OCRAM_S */ + { 0x00180000, 0x00180000, 0x00008000, 0 }, + /* OCRAM */ + { 0x00900000, 0x00900000, 0x00020000, 0 }, + /* OCRAM */ + { 0x00920000, 0x00920000, 0x00020000, 0 }, + /* QSPI Code - alias */ + { 0x08000000, 0x08000000, 0x08000000, 0 }, + /* DDR (Code) - alias */ + { 0x10000000, 0x80000000, 0x0FFE0000, 0 }, + /* TCML */ + { 0x1FFE0000, 0x007E0000, 0x00020000, ATT_OWN }, + /* TCMU */ + { 0x20000000, 0x00800000, 0x00020000, ATT_OWN }, + /* OCRAM_S */ + { 0x20180000, 0x00180000, 0x00008000, ATT_OWN }, + /* OCRAM */ + { 0x20200000, 0x00900000, 0x00020000, ATT_OWN }, + /* OCRAM */ + { 0x20220000, 0x00920000, 0x00020000, ATT_OWN }, + /* DDR (Data) */ + { 0x40000000, 0x40000000, 0x80000000, 0 }, }; static const struct imx_rproc_att imx_rproc_att_imx7d[] = { @@ -137,6 +176,15 @@ static const struct imx_rproc_att imx_rproc_att_imx6sx[] = { { 0x80000000, 0x80000000, 0x60000000, 0 }, }; +static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { + .src_reg = IMX7D_SRC_SCR, + .src_mask = IMX7D_M4_RST_MASK, + .src_start = IMX7D_M4_START, + .src_stop = IMX7D_M4_STOP, + .att = imx_rproc_att_imx8mq, + .att_size = ARRAY_SIZE(imx_rproc_att_imx8mq), +}; + static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { .src_reg = IMX7D_SRC_SCR, .src_mask = IMX7D_M4_RST_MASK, @@ -208,7 +256,7 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, return -ENOENT; } -static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct imx_rproc *priv = rproc->priv; void *va = NULL; @@ -225,7 +273,7 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) if (imx_rproc_da_to_sys(priv, da, len, &sys)) return NULL; - for (i = 0; i < IMX7D_RPROC_MEM_MAX; i++) { + for (i = 0; i < IMX_RPROC_MEM_MAX; i++) { if (sys >= priv->mem[i].sys_addr && sys + len < priv->mem[i].sys_addr + priv->mem[i].size) { unsigned int offset = sys - priv->mem[i].sys_addr; @@ -241,10 +289,143 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) return va; } +static int imx_rproc_mem_alloc(struct rproc *rproc, + struct rproc_mem_entry *mem) +{ + struct device *dev = rproc->dev.parent; + void *va; + + dev_dbg(dev, "map memory: %p+%zx\n", &mem->dma, mem->len); + va = ioremap_wc(mem->dma, mem->len); + if (IS_ERR_OR_NULL(va)) { + dev_err(dev, "Unable to map memory region: %p+%zx\n", + &mem->dma, mem->len); + return -ENOMEM; + } + + /* Update memory entry va */ + mem->va = va; + + return 0; +} + +static int imx_rproc_mem_release(struct rproc *rproc, + struct rproc_mem_entry *mem) +{ + dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma); + iounmap(mem->va); + + return 0; +} + +static int imx_rproc_prepare(struct rproc *rproc) +{ + struct imx_rproc *priv = rproc->priv; + struct device_node *np = priv->dev->of_node; + struct of_phandle_iterator it; + struct rproc_mem_entry *mem; + struct reserved_mem *rmem; + u32 da; + + /* Register associated reserved memory regions */ + of_phandle_iterator_init(&it, np, "memory-region", NULL, 0); + while (of_phandle_iterator_next(&it) == 0) { + /* + * Ignore the first memory region which will be used vdev buffer. + * No need to do extra handlings, rproc_add_virtio_dev will handle it. + */ + if (!strcmp(it.node->name, "vdev0buffer")) + continue; + + rmem = of_reserved_mem_lookup(it.node); + if (!rmem) { + dev_err(priv->dev, "unable to acquire memory-region\n"); + return -EINVAL; + } + + /* No need to translate pa to da, i.MX use same map */ + da = rmem->base; + + /* Register memory region */ + mem = rproc_mem_entry_init(priv->dev, NULL, (dma_addr_t)rmem->base, rmem->size, da, + imx_rproc_mem_alloc, imx_rproc_mem_release, + it.node->name); + + if (mem) + rproc_coredump_add_segment(rproc, da, rmem->size); + else + return -ENOMEM; + + rproc_add_carveout(rproc, mem); + } + + return 0; +} + +static int imx_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) +{ + int ret; + + ret = rproc_elf_load_rsc_table(rproc, fw); + if (ret) + dev_info(&rproc->dev, "No resource table in elf\n"); + + return 0; +} + +static void imx_rproc_kick(struct rproc *rproc, int vqid) +{ + struct imx_rproc *priv = rproc->priv; + int err; + __u32 mmsg; + + if (!priv->tx_ch) { + dev_err(priv->dev, "No initialized mbox tx channel\n"); + return; + } + + /* + * Send the index of the triggered virtqueue as the mu payload. + * Let remote processor know which virtqueue is used. + */ + mmsg = vqid << 16; + + err = mbox_send_message(priv->tx_ch, (void *)&mmsg); + if (err < 0) + dev_err(priv->dev, "%s: failed (%d, err:%d)\n", + __func__, vqid, err); +} + +static int imx_rproc_attach(struct rproc *rproc) +{ + return 0; +} + +static struct resource_table *imx_rproc_get_loaded_rsc_table(struct rproc *rproc, size_t *table_sz) +{ + struct imx_rproc *priv = rproc->priv; + + /* The resource table has already been mapped in imx_rproc_addr_init */ + if (!priv->rsc_table) + return NULL; + + *table_sz = SZ_1K; + return (struct resource_table *)priv->rsc_table; +} + static const struct rproc_ops imx_rproc_ops = { + .prepare = imx_rproc_prepare, + .attach = imx_rproc_attach, .start = imx_rproc_start, .stop = imx_rproc_stop, + .kick = imx_rproc_kick, .da_to_va = imx_rproc_da_to_va, + .load = rproc_elf_load_segments, + .parse_fw = imx_rproc_parse_fw, + .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table, + .get_loaded_rsc_table = imx_rproc_get_loaded_rsc_table, + .sanity_check = rproc_elf_sanity_check, + .get_boot_addr = rproc_elf_get_boot_addr, }; static int imx_rproc_addr_init(struct imx_rproc *priv, @@ -262,13 +443,13 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, if (!(att->flags & ATT_OWN)) continue; - if (b >= IMX7D_RPROC_MEM_MAX) + if (b >= IMX_RPROC_MEM_MAX) break; priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, att->sa, att->size); if (!priv->mem[b].cpu_addr) { - dev_err(dev, "devm_ioremap_resource failed\n"); + dev_err(dev, "failed to remap %#x bytes from %#x\n", att->size, att->sa); return -ENOMEM; } priv->mem[b].sys_addr = att->sa; @@ -287,29 +468,115 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, struct resource res; node = of_parse_phandle(np, "memory-region", a); + /* Not map vdev region */ + if (!strcmp(node->name, "vdev")) + continue; err = of_address_to_resource(node, 0, &res); if (err) { dev_err(dev, "unable to resolve memory region\n"); return err; } - if (b >= IMX7D_RPROC_MEM_MAX) + of_node_put(node); + + if (b >= IMX_RPROC_MEM_MAX) break; - priv->mem[b].cpu_addr = devm_ioremap_resource(&pdev->dev, &res); - if (IS_ERR(priv->mem[b].cpu_addr)) { - dev_err(dev, "devm_ioremap_resource failed\n"); - err = PTR_ERR(priv->mem[b].cpu_addr); - return err; + /* Not use resource version, because we might share region */ + priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, res.start, resource_size(&res)); + if (!priv->mem[b].cpu_addr) { + dev_err(dev, "failed to remap %pr\n", &res); + return -ENOMEM; } priv->mem[b].sys_addr = res.start; priv->mem[b].size = resource_size(&res); + if (!strcmp(node->name, "rsc_table")) + priv->rsc_table = priv->mem[b].cpu_addr; b++; } return 0; } +static void imx_rproc_vq_work(struct work_struct *work) +{ + struct imx_rproc *priv = container_of(work, struct imx_rproc, + rproc_work); + + rproc_vq_interrupt(priv->rproc, 0); + rproc_vq_interrupt(priv->rproc, 1); +} + +static void imx_rproc_rx_callback(struct mbox_client *cl, void *msg) +{ + struct rproc *rproc = dev_get_drvdata(cl->dev); + struct imx_rproc *priv = rproc->priv; + + queue_work(priv->workqueue, &priv->rproc_work); +} + +static int imx_rproc_xtr_mbox_init(struct rproc *rproc) +{ + struct imx_rproc *priv = rproc->priv; + struct device *dev = priv->dev; + struct mbox_client *cl; + int ret; + + if (!of_get_property(dev->of_node, "mbox-names", NULL)) + return 0; + + cl = &priv->cl; + cl->dev = dev; + cl->tx_block = true; + cl->tx_tout = 100; + cl->knows_txdone = false; + cl->rx_callback = imx_rproc_rx_callback; + + priv->tx_ch = mbox_request_channel_byname(cl, "tx"); + if (IS_ERR(priv->tx_ch)) { + ret = PTR_ERR(priv->tx_ch); + return dev_err_probe(cl->dev, ret, + "failed to request tx mailbox channel: %d\n", ret); + } + + priv->rx_ch = mbox_request_channel_byname(cl, "rx"); + if (IS_ERR(priv->rx_ch)) { + mbox_free_channel(priv->tx_ch); + ret = PTR_ERR(priv->rx_ch); + return dev_err_probe(cl->dev, ret, + "failed to request rx mailbox channel: %d\n", ret); + } + + return 0; +} + +static void imx_rproc_free_mbox(struct rproc *rproc) +{ + struct imx_rproc *priv = rproc->priv; + + mbox_free_channel(priv->tx_ch); + mbox_free_channel(priv->rx_ch); +} + +static int imx_rproc_detect_mode(struct imx_rproc *priv) +{ + const struct imx_rproc_dcfg *dcfg = priv->dcfg; + struct device *dev = priv->dev; + int ret; + u32 val; + + ret = regmap_read(priv->regmap, dcfg->src_reg, &val); + if (ret) { + dev_err(dev, "Failed to read src\n"); + return ret; + } + + if (!(val & dcfg->src_stop)) + priv->rproc->state = RPROC_DETACHED; + + return 0; +} + static int imx_rproc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -347,18 +614,32 @@ static int imx_rproc_probe(struct platform_device *pdev) priv->dev = dev; dev_set_drvdata(dev, rproc); + priv->workqueue = create_workqueue(dev_name(dev)); + if (!priv->workqueue) { + dev_err(dev, "cannot create workqueue\n"); + ret = -ENOMEM; + goto err_put_rproc; + } + + ret = imx_rproc_xtr_mbox_init(rproc); + if (ret) + goto err_put_wkq; ret = imx_rproc_addr_init(priv, pdev); if (ret) { dev_err(dev, "failed on imx_rproc_addr_init\n"); - goto err_put_rproc; + goto err_put_mbox; } + ret = imx_rproc_detect_mode(priv); + if (ret) + goto err_put_mbox; + priv->clk = devm_clk_get(dev, NULL); if (IS_ERR(priv->clk)) { dev_err(dev, "Failed to get clock\n"); ret = PTR_ERR(priv->clk); - goto err_put_rproc; + goto err_put_mbox; } /* @@ -368,9 +649,11 @@ static int imx_rproc_probe(struct platform_device *pdev) ret = clk_prepare_enable(priv->clk); if (ret) { dev_err(&rproc->dev, "Failed to enable clock\n"); - goto err_put_rproc; + goto err_put_mbox; } + INIT_WORK(&priv->rproc_work, imx_rproc_vq_work); + ret = rproc_add(rproc); if (ret) { dev_err(dev, "rproc_add failed\n"); @@ -381,6 +664,10 @@ static int imx_rproc_probe(struct platform_device *pdev) err_put_clk: clk_disable_unprepare(priv->clk); +err_put_mbox: + imx_rproc_free_mbox(rproc); +err_put_wkq: + destroy_workqueue(priv->workqueue); err_put_rproc: rproc_free(rproc); @@ -394,6 +681,7 @@ static int imx_rproc_remove(struct platform_device *pdev) clk_disable_unprepare(priv->clk); rproc_del(rproc); + imx_rproc_free_mbox(rproc); rproc_free(rproc); return 0; @@ -402,6 +690,8 @@ static int imx_rproc_remove(struct platform_device *pdev) static const struct of_device_id imx_rproc_of_match[] = { { .compatible = "fsl,imx7d-cm4", .data = &imx_rproc_cfg_imx7d }, { .compatible = "fsl,imx6sx-cm4", .data = &imx_rproc_cfg_imx6sx }, + { .compatible = "fsl,imx8mq-cm4", .data = &imx_rproc_cfg_imx8mq }, + { .compatible = "fsl,imx8mm-cm4", .data = &imx_rproc_cfg_imx8mq }, {}, }; MODULE_DEVICE_TABLE(of, imx_rproc_of_match); @@ -418,5 +708,5 @@ static struct platform_driver imx_rproc_driver = { module_platform_driver(imx_rproc_driver); MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("IMX6SX/7D remote processor control driver"); +MODULE_DESCRIPTION("i.MX remote processor control driver"); MODULE_AUTHOR("Oleksij Rempel "); diff --git a/drivers/remoteproc/ingenic_rproc.c b/drivers/remoteproc/ingenic_rproc.c index 1c2b21a..a356738 100644 --- a/drivers/remoteproc/ingenic_rproc.c +++ b/drivers/remoteproc/ingenic_rproc.c @@ -27,6 +27,11 @@ #define AUX_CTRL_NMI BIT(1) #define AUX_CTRL_SW_RESET BIT(0) +static bool auto_boot; +module_param(auto_boot, bool, 0400); +MODULE_PARM_DESC(auto_boot, + "Auto-boot the remote processor [default=false]"); + struct vpu_mem_map { const char *name; unsigned int da; @@ -116,7 +121,7 @@ static void ingenic_rproc_kick(struct rproc *rproc, int vqid) writel(vqid, vpu->aux_base + REG_CORE_MSG); } -static void *ingenic_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *ingenic_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct vpu *vpu = rproc->priv; void __iomem *va = NULL; @@ -135,7 +140,7 @@ static void *ingenic_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) return (__force void *)va; } -static struct rproc_ops ingenic_rproc_ops = { +static const struct rproc_ops ingenic_rproc_ops = { .prepare = ingenic_rproc_prepare, .unprepare = ingenic_rproc_unprepare, .start = ingenic_rproc_start, @@ -172,6 +177,8 @@ static int ingenic_rproc_probe(struct platform_device *pdev) if (!rproc) return -ENOMEM; + rproc->auto_boot = auto_boot; + vpu = rproc->priv; vpu->dev = &pdev->dev; platform_set_drvdata(pdev, vpu); diff --git a/drivers/remoteproc/keystone_remoteproc.c b/drivers/remoteproc/keystone_remoteproc.c index e30aaff..b51f533 100644 --- a/drivers/remoteproc/keystone_remoteproc.c +++ b/drivers/remoteproc/keystone_remoteproc.c @@ -246,7 +246,7 @@ static void keystone_rproc_kick(struct rproc *rproc, int vqid) * can be used either by the remoteproc core for loading (when using kernel * remoteproc loader), or by any rpmsg bus drivers. */ -static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct keystone_rproc *ksproc = rproc->priv; void __iomem *va = NULL; diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h index 5838805..61901f5 100644 --- a/drivers/remoteproc/mtk_common.h +++ b/drivers/remoteproc/mtk_common.h @@ -47,6 +47,7 @@ #define MT8192_CORE0_SW_RSTN_CLR 0x10000 #define MT8192_CORE0_SW_RSTN_SET 0x10004 +#define MT8192_CORE0_MEM_ATT_PREDEF 0x10008 #define MT8192_CORE0_WDT_IRQ 0x10030 #define MT8192_CORE0_WDT_CFG 0x10034 @@ -76,9 +77,12 @@ struct mtk_scp_of_data { void (*scp_reset_assert)(struct mtk_scp *scp); void (*scp_reset_deassert)(struct mtk_scp *scp); void (*scp_stop)(struct mtk_scp *scp); + void *(*scp_da_to_va)(struct mtk_scp *scp, u64 da, size_t len); u32 host_to_scp_reg; u32 host_to_scp_int_bit; + + size_t ipi_buf_offset; }; struct mtk_scp { @@ -88,6 +92,10 @@ struct mtk_scp { void __iomem *reg_base; void __iomem *sram_base; size_t sram_size; + phys_addr_t sram_phys; + void __iomem *l1tcm_base; + size_t l1tcm_size; + phys_addr_t l1tcm_phys; const struct mtk_scp_of_data *data; @@ -100,7 +108,7 @@ struct mtk_scp { bool ipi_id_ack[SCP_IPI_MAX]; wait_queue_head_t ack_wq; - void __iomem *cpu_addr; + void *cpu_addr; dma_addr_t dma_addr; size_t dram_size; diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 82b46a7..53d7a32 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -21,7 +21,7 @@ #include "remoteproc_internal.h" #define MAX_CODE_SIZE 0x500000 -#define SCP_FW_END 0x7C000 +#define SECTION_NAME_IPI_BUFFER ".ipi_buffer" /** * scp_get() - get a reference to SCP. @@ -119,16 +119,29 @@ static void scp_ipi_handler(struct mtk_scp *scp) wake_up(&scp->ack_wq); } -static int scp_ipi_init(struct mtk_scp *scp) +static int scp_elf_read_ipi_buf_addr(struct mtk_scp *scp, + const struct firmware *fw, + size_t *offset); + +static int scp_ipi_init(struct mtk_scp *scp, const struct firmware *fw) { - size_t send_offset = SCP_FW_END - sizeof(struct mtk_share_obj); - size_t recv_offset = send_offset - sizeof(struct mtk_share_obj); + int ret; + size_t offset; + + /* read the ipi buf addr from FW itself first */ + ret = scp_elf_read_ipi_buf_addr(scp, fw, &offset); + if (ret) { + /* use default ipi buf addr if the FW doesn't have it */ + offset = scp->data->ipi_buf_offset; + if (!offset) + return ret; + } + dev_info(scp->dev, "IPI buf addr %#010zx\n", offset); - /* shared buffer initialization */ - scp->recv_buf = - (struct mtk_share_obj __iomem *)(scp->sram_base + recv_offset); - scp->send_buf = - (struct mtk_share_obj __iomem *)(scp->sram_base + send_offset); + scp->recv_buf = (struct mtk_share_obj __iomem *) + (scp->sram_base + offset); + scp->send_buf = (struct mtk_share_obj __iomem *) + (scp->sram_base + offset + sizeof(*scp->recv_buf)); memset_io(scp->recv_buf, 0, sizeof(*scp->recv_buf)); memset_io(scp->send_buf, 0, sizeof(*scp->send_buf)); @@ -236,12 +249,14 @@ static int scp_elf_load_segments(struct rproc *rproc, const struct firmware *fw) u32 offset = phdr->p_offset; void __iomem *ptr; - if (phdr->p_type != PT_LOAD) - continue; - dev_dbg(dev, "phdr: type %d da 0x%x memsz 0x%x filesz 0x%x\n", phdr->p_type, da, memsz, filesz); + if (phdr->p_type != PT_LOAD) + continue; + if (!filesz) + continue; + if (filesz > memsz) { dev_err(dev, "bad phdr filesz 0x%x memsz 0x%x\n", filesz, memsz); @@ -257,7 +272,7 @@ static int scp_elf_load_segments(struct rproc *rproc, const struct firmware *fw) } /* grab the kernel address for this device address */ - ptr = (void __iomem *)rproc_da_to_va(rproc, da, memsz); + ptr = (void __iomem *)rproc_da_to_va(rproc, da, memsz, NULL); if (!ptr) { dev_err(dev, "bad phdr da 0x%x mem 0x%x\n", da, memsz); ret = -EINVAL; @@ -265,14 +280,38 @@ static int scp_elf_load_segments(struct rproc *rproc, const struct firmware *fw) } /* put the segment where the remote processor expects it */ - if (phdr->p_filesz) - scp_memcpy_aligned(ptr, elf_data + phdr->p_offset, - filesz); + scp_memcpy_aligned(ptr, elf_data + phdr->p_offset, filesz); } return ret; } +static int scp_elf_read_ipi_buf_addr(struct mtk_scp *scp, + const struct firmware *fw, + size_t *offset) +{ + struct elf32_hdr *ehdr; + struct elf32_shdr *shdr, *shdr_strtab; + int i; + const u8 *elf_data = fw->data; + const char *strtab; + + ehdr = (struct elf32_hdr *)elf_data; + shdr = (struct elf32_shdr *)(elf_data + ehdr->e_shoff); + shdr_strtab = shdr + ehdr->e_shstrndx; + strtab = (const char *)(elf_data + shdr_strtab->sh_offset); + + for (i = 0; i < ehdr->e_shnum; i++, shdr++) { + if (strcmp(strtab + shdr->sh_name, + SECTION_NAME_IPI_BUFFER) == 0) { + *offset = shdr->sh_addr; + return 0; + } + } + + return -ENOENT; +} + static int mt8183_scp_before_load(struct mtk_scp *scp) { /* Clear SCP to host interrupt */ @@ -300,7 +339,7 @@ static int mt8183_scp_before_load(struct mtk_scp *scp) return 0; } -static void mt8192_power_on_sram(void *addr) +static void mt8192_power_on_sram(void __iomem *addr) { int i; @@ -309,7 +348,7 @@ static void mt8192_power_on_sram(void *addr) writel(0, addr); } -static void mt8192_power_off_sram(void *addr) +static void mt8192_power_off_sram(void __iomem *addr) { int i; @@ -332,6 +371,9 @@ static int mt8192_scp_before_load(struct mtk_scp *scp) mt8192_power_on_sram(scp->reg_base + MT8192_L1TCM_SRAM_PDN); mt8192_power_on_sram(scp->reg_base + MT8192_CPU0_SRAM_PD); + /* enable MPU for all memory regions */ + writel(0xff, scp->reg_base + MT8192_CORE0_MEM_ATT_PREDEF); + return 0; } @@ -361,6 +403,23 @@ leave: return ret; } +static int scp_parse_fw(struct rproc *rproc, const struct firmware *fw) +{ + struct mtk_scp *scp = rproc->priv; + struct device *dev = scp->dev; + int ret; + + ret = clk_prepare_enable(scp->clk); + if (ret) { + dev_err(dev, "failed to enable clocks\n"); + return ret; + } + + ret = scp_ipi_init(scp, fw); + clk_disable_unprepare(scp->clk); + return ret; +} + static int scp_start(struct rproc *rproc) { struct mtk_scp *scp = (struct mtk_scp *)rproc->priv; @@ -404,24 +463,59 @@ stop: return ret; } -static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *mt8183_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) { - struct mtk_scp *scp = (struct mtk_scp *)rproc->priv; int offset; if (da < scp->sram_size) { offset = da; - if (offset >= 0 && (offset + len) < scp->sram_size) + if (offset >= 0 && (offset + len) <= scp->sram_size) return (void __force *)scp->sram_base + offset; } else if (scp->dram_size) { offset = da - scp->dma_addr; - if (offset >= 0 && (offset + len) < scp->dram_size) - return (void __force *)scp->cpu_addr + offset; + if (offset >= 0 && (offset + len) <= scp->dram_size) + return scp->cpu_addr + offset; + } + + return NULL; +} + +static void *mt8192_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) +{ + int offset; + + if (da >= scp->sram_phys && + (da + len) <= scp->sram_phys + scp->sram_size) { + offset = da - scp->sram_phys; + return (void __force *)scp->sram_base + offset; + } + + /* optional memory region */ + if (scp->l1tcm_size && + da >= scp->l1tcm_phys && + (da + len) <= scp->l1tcm_phys + scp->l1tcm_size) { + offset = da - scp->l1tcm_phys; + return (void __force *)scp->l1tcm_base + offset; + } + + /* optional memory region */ + if (scp->dram_size && + da >= scp->dma_addr && + (da + len) <= scp->dma_addr + scp->dram_size) { + offset = da - scp->dma_addr; + return scp->cpu_addr + offset; } return NULL; } +static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) +{ + struct mtk_scp *scp = (struct mtk_scp *)rproc->priv; + + return scp->data->scp_da_to_va(scp, da, len); +} + static void mt8183_scp_stop(struct mtk_scp *scp) { /* Disable SCP watchdog */ @@ -464,6 +558,7 @@ static const struct rproc_ops scp_ops = { .stop = scp_stop, .load = scp_load, .da_to_va = scp_da_to_va, + .parse_fw = scp_parse_fw, }; /** @@ -532,7 +627,7 @@ void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr) { void *ptr; - ptr = scp_da_to_va(scp->rproc, mem_addr, 0); + ptr = scp_da_to_va(scp->rproc, mem_addr, 0, NULL); if (!ptr) return ERR_PTR(-EINVAL); @@ -659,13 +754,27 @@ static int scp_probe(struct platform_device *pdev) goto free_rproc; } scp->sram_size = resource_size(res); + scp->sram_phys = res->start; + + /* l1tcm is an optional memory region */ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "l1tcm"); + scp->l1tcm_base = devm_ioremap_resource(dev, res); + if (IS_ERR((__force void *)scp->l1tcm_base)) { + ret = PTR_ERR((__force void *)scp->l1tcm_base); + if (ret != -EINVAL) { + dev_err(dev, "Failed to map l1tcm memory\n"); + goto free_rproc; + } + } else { + scp->l1tcm_size = resource_size(res); + scp->l1tcm_phys = res->start; + } mutex_init(&scp->send_lock); for (i = 0; i < SCP_IPI_MAX; i++) mutex_init(&scp->ipi_desc[i].lock); - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg"); - scp->reg_base = devm_ioremap_resource(dev, res); + scp->reg_base = devm_platform_ioremap_resource_byname(pdev, "cfg"); if (IS_ERR((__force void *)scp->reg_base)) { dev_err(dev, "Failed to parse and map cfg memory\n"); ret = PTR_ERR((__force void *)scp->reg_base); @@ -683,19 +792,6 @@ static int scp_probe(struct platform_device *pdev) goto release_dev_mem; } - ret = clk_prepare_enable(scp->clk); - if (ret) { - dev_err(dev, "failed to enable clocks\n"); - goto release_dev_mem; - } - - ret = scp_ipi_init(scp); - clk_disable_unprepare(scp->clk); - if (ret) { - dev_err(dev, "Failed to init ipi\n"); - goto release_dev_mem; - } - /* register SCP initialization IPI */ ret = scp_ipi_register(scp, SCP_IPI_INIT, scp_init_ipi_handler, scp); if (ret) { @@ -761,8 +857,10 @@ static const struct mtk_scp_of_data mt8183_of_data = { .scp_reset_assert = mt8183_scp_reset_assert, .scp_reset_deassert = mt8183_scp_reset_deassert, .scp_stop = mt8183_scp_stop, + .scp_da_to_va = mt8183_scp_da_to_va, .host_to_scp_reg = MT8183_HOST_TO_SCP, .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, + .ipi_buf_offset = 0x7bdb0, }; static const struct mtk_scp_of_data mt8192_of_data = { @@ -771,6 +869,7 @@ static const struct mtk_scp_of_data mt8192_of_data = { .scp_reset_assert = mt8192_scp_reset_assert, .scp_reset_deassert = mt8192_scp_reset_deassert, .scp_stop = mt8192_scp_stop, + .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, }; diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c index d94b739..43531ca 100644 --- a/drivers/remoteproc/omap_remoteproc.c +++ b/drivers/remoteproc/omap_remoteproc.c @@ -728,7 +728,7 @@ out: * Return: translated virtual address in kernel memory space on success, * or NULL on failure. */ -static void *omap_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *omap_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct omap_rproc *oproc = rproc->priv; int i; diff --git b/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c new file mode 100644 index 0000000..e5778e4 --- /dev/null +++ b/drivers/remoteproc/pru_rproc.c @@ -0,0 +1,916 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * PRU-ICSS remoteproc driver for various TI SoCs + * + * Copyright (C) 2014-2020 Texas Instruments Incorporated - https://www.ti.com/ + * + * Author(s): + * Suman Anna + * Andrew F. Davis + * Grzegorz Jaszczyk for Texas Instruments + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "remoteproc_internal.h" +#include "remoteproc_elf_helpers.h" +#include "pru_rproc.h" + +/* PRU_ICSS_PRU_CTRL registers */ +#define PRU_CTRL_CTRL 0x0000 +#define PRU_CTRL_STS 0x0004 +#define PRU_CTRL_WAKEUP_EN 0x0008 +#define PRU_CTRL_CYCLE 0x000C +#define PRU_CTRL_STALL 0x0010 +#define PRU_CTRL_CTBIR0 0x0020 +#define PRU_CTRL_CTBIR1 0x0024 +#define PRU_CTRL_CTPPR0 0x0028 +#define PRU_CTRL_CTPPR1 0x002C + +/* CTRL register bit-fields */ +#define CTRL_CTRL_SOFT_RST_N BIT(0) +#define CTRL_CTRL_EN BIT(1) +#define CTRL_CTRL_SLEEPING BIT(2) +#define CTRL_CTRL_CTR_EN BIT(3) +#define CTRL_CTRL_SINGLE_STEP BIT(8) +#define CTRL_CTRL_RUNSTATE BIT(15) + +/* PRU_ICSS_PRU_DEBUG registers */ +#define PRU_DEBUG_GPREG(x) (0x0000 + (x) * 4) +#define PRU_DEBUG_CT_REG(x) (0x0080 + (x) * 4) + +/* PRU/RTU/Tx_PRU Core IRAM address masks */ +#define PRU_IRAM_ADDR_MASK 0x3ffff +#define PRU0_IRAM_ADDR_MASK 0x34000 +#define PRU1_IRAM_ADDR_MASK 0x38000 +#define RTU0_IRAM_ADDR_MASK 0x4000 +#define RTU1_IRAM_ADDR_MASK 0x6000 +#define TX_PRU0_IRAM_ADDR_MASK 0xa000 +#define TX_PRU1_IRAM_ADDR_MASK 0xc000 + +/* PRU device addresses for various type of PRU RAMs */ +#define PRU_IRAM_DA 0 /* Instruction RAM */ +#define PRU_PDRAM_DA 0 /* Primary Data RAM */ +#define PRU_SDRAM_DA 0x2000 /* Secondary Data RAM */ +#define PRU_SHRDRAM_DA 0x10000 /* Shared Data RAM */ + +#define MAX_PRU_SYS_EVENTS 160 + +/** + * enum pru_iomem - PRU core memory/register range identifiers + * + * @PRU_IOMEM_IRAM: PRU Instruction RAM range + * @PRU_IOMEM_CTRL: PRU Control register range + * @PRU_IOMEM_DEBUG: PRU Debug register range + * @PRU_IOMEM_MAX: just keep this one at the end + */ +enum pru_iomem { + PRU_IOMEM_IRAM = 0, + PRU_IOMEM_CTRL, + PRU_IOMEM_DEBUG, + PRU_IOMEM_MAX, +}; + +/** + * enum pru_type - PRU core type identifier + * + * @PRU_TYPE_PRU: Programmable Real-time Unit + * @PRU_TYPE_RTU: Auxiliary Programmable Real-Time Unit + * @PRU_TYPE_TX_PRU: Transmit Programmable Real-Time Unit + * @PRU_TYPE_MAX: just keep this one at the end + */ +enum pru_type { + PRU_TYPE_PRU = 0, + PRU_TYPE_RTU, + PRU_TYPE_TX_PRU, + PRU_TYPE_MAX, +}; + +/** + * struct pru_private_data - device data for a PRU core + * @type: type of the PRU core (PRU, RTU, Tx_PRU) + * @is_k3: flag used to identify the need for special load handling + */ +struct pru_private_data { + enum pru_type type; + unsigned int is_k3 : 1; +}; + +/** + * struct pru_rproc - PRU remoteproc structure + * @id: id of the PRU core within the PRUSS + * @dev: PRU core device pointer + * @pruss: back-reference to parent PRUSS structure + * @rproc: remoteproc pointer for this PRU core + * @data: PRU core specific data + * @mem_regions: data for each of the PRU memory regions + * @fw_name: name of firmware image used during loading + * @mapped_irq: virtual interrupt numbers of created fw specific mapping + * @pru_interrupt_map: pointer to interrupt mapping description (firmware) + * @pru_interrupt_map_sz: pru_interrupt_map size + * @dbg_single_step: debug state variable to set PRU into single step mode + * @dbg_continuous: debug state variable to restore PRU execution mode + * @evt_count: number of mapped events + */ +struct pru_rproc { + int id; + struct device *dev; + struct pruss *pruss; + struct rproc *rproc; + const struct pru_private_data *data; + struct pruss_mem_region mem_regions[PRU_IOMEM_MAX]; + const char *fw_name; + unsigned int *mapped_irq; + struct pru_irq_rsc *pru_interrupt_map; + size_t pru_interrupt_map_sz; + u32 dbg_single_step; + u32 dbg_continuous; + u8 evt_count; +}; + +static inline u32 pru_control_read_reg(struct pru_rproc *pru, unsigned int reg) +{ + return readl_relaxed(pru->mem_regions[PRU_IOMEM_CTRL].va + reg); +} + +static inline +void pru_control_write_reg(struct pru_rproc *pru, unsigned int reg, u32 val) +{ + writel_relaxed(val, pru->mem_regions[PRU_IOMEM_CTRL].va + reg); +} + +static inline u32 pru_debug_read_reg(struct pru_rproc *pru, unsigned int reg) +{ + return readl_relaxed(pru->mem_regions[PRU_IOMEM_DEBUG].va + reg); +} + +static int regs_show(struct seq_file *s, void *data) +{ + struct rproc *rproc = s->private; + struct pru_rproc *pru = rproc->priv; + int i, nregs = 32; + u32 pru_sts; + int pru_is_running; + + seq_puts(s, "============== Control Registers ==============\n"); + seq_printf(s, "CTRL := 0x%08x\n", + pru_control_read_reg(pru, PRU_CTRL_CTRL)); + pru_sts = pru_control_read_reg(pru, PRU_CTRL_STS); + seq_printf(s, "STS (PC) := 0x%08x (0x%08x)\n", pru_sts, pru_sts << 2); + seq_printf(s, "WAKEUP_EN := 0x%08x\n", + pru_control_read_reg(pru, PRU_CTRL_WAKEUP_EN)); + seq_printf(s, "CYCLE := 0x%08x\n", + pru_control_read_reg(pru, PRU_CTRL_CYCLE)); + seq_printf(s, "STALL := 0x%08x\n", + pru_control_read_reg(pru, PRU_CTRL_STALL)); + seq_printf(s, "CTBIR0 := 0x%08x\n", + pru_control_read_reg(pru, PRU_CTRL_CTBIR0)); + seq_printf(s, "CTBIR1 := 0x%08x\n", + pru_control_read_reg(pru, PRU_CTRL_CTBIR1)); + seq_printf(s, "CTPPR0 := 0x%08x\n", + pru_control_read_reg(pru, PRU_CTRL_CTPPR0)); + seq_printf(s, "CTPPR1 := 0x%08x\n", + pru_control_read_reg(pru, PRU_CTRL_CTPPR1)); + + seq_puts(s, "=============== Debug Registers ===============\n"); + pru_is_running = pru_control_read_reg(pru, PRU_CTRL_CTRL) & + CTRL_CTRL_RUNSTATE; + if (pru_is_running) { + seq_puts(s, "PRU is executing, cannot print/access debug registers.\n"); + return 0; + } + + for (i = 0; i < nregs; i++) { + seq_printf(s, "GPREG%-2d := 0x%08x\tCT_REG%-2d := 0x%08x\n", + i, pru_debug_read_reg(pru, PRU_DEBUG_GPREG(i)), + i, pru_debug_read_reg(pru, PRU_DEBUG_CT_REG(i))); + } + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(regs); + +/* + * Control PRU single-step mode + * + * This is a debug helper function used for controlling the single-step + * mode of the PRU. The PRU Debug registers are not accessible when the + * PRU is in RUNNING state. + * + * Writing a non-zero value sets the PRU into single-step mode irrespective + * of its previous state. The PRU mode is saved only on the first set into + * a single-step mode. Writing a zero value will restore the PRU into its + * original mode. + */ +static int pru_rproc_debug_ss_set(void *data, u64 val) +{ + struct rproc *rproc = data; + struct pru_rproc *pru = rproc->priv; + u32 reg_val; + + val = val ? 1 : 0; + if (!val && !pru->dbg_single_step) + return 0; + + reg_val = pru_control_read_reg(pru, PRU_CTRL_CTRL); + + if (val && !pru->dbg_single_step) + pru->dbg_continuous = reg_val; + + if (val) + reg_val |= CTRL_CTRL_SINGLE_STEP | CTRL_CTRL_EN; + else + reg_val = pru->dbg_continuous; + + pru->dbg_single_step = val; + pru_control_write_reg(pru, PRU_CTRL_CTRL, reg_val); + + return 0; +} + +static int pru_rproc_debug_ss_get(void *data, u64 *val) +{ + struct rproc *rproc = data; + struct pru_rproc *pru = rproc->priv; + + *val = pru->dbg_single_step; + + return 0; +} +DEFINE_DEBUGFS_ATTRIBUTE(pru_rproc_debug_ss_fops, pru_rproc_debug_ss_get, + pru_rproc_debug_ss_set, "%llu\n"); + +/* + * Create PRU-specific debugfs entries + * + * The entries are created only if the parent remoteproc debugfs directory + * exists, and will be cleaned up by the remoteproc core. + */ +static void pru_rproc_create_debug_entries(struct rproc *rproc) +{ + if (!rproc->dbg_dir) + return; + + debugfs_create_file("regs", 0400, rproc->dbg_dir, + rproc, ®s_fops); + debugfs_create_file("single_step", 0600, rproc->dbg_dir, + rproc, &pru_rproc_debug_ss_fops); +} + +static void pru_dispose_irq_mapping(struct pru_rproc *pru) +{ + if (!pru->mapped_irq) + return; + + while (pru->evt_count) { + pru->evt_count--; + if (pru->mapped_irq[pru->evt_count] > 0) + irq_dispose_mapping(pru->mapped_irq[pru->evt_count]); + } + + kfree(pru->mapped_irq); + pru->mapped_irq = NULL; +} + +/* + * Parse the custom PRU interrupt map resource and configure the INTC + * appropriately. + */ +static int pru_handle_intrmap(struct rproc *rproc) +{ + struct device *dev = rproc->dev.parent; + struct pru_rproc *pru = rproc->priv; + struct pru_irq_rsc *rsc = pru->pru_interrupt_map; + struct irq_fwspec fwspec; + struct device_node *parent, *irq_parent; + int i, ret = 0; + + /* not having pru_interrupt_map is not an error */ + if (!rsc) + return 0; + + /* currently supporting only type 0 */ + if (rsc->type != 0) { + dev_err(dev, "unsupported rsc type: %d\n", rsc->type); + return -EINVAL; + } + + if (rsc->num_evts > MAX_PRU_SYS_EVENTS) + return -EINVAL; + + if (sizeof(*rsc) + rsc->num_evts * sizeof(struct pruss_int_map) != + pru->pru_interrupt_map_sz) + return -EINVAL; + + pru->evt_count = rsc->num_evts; + pru->mapped_irq = kcalloc(pru->evt_count, sizeof(unsigned int), + GFP_KERNEL); + if (!pru->mapped_irq) { + pru->evt_count = 0; + return -ENOMEM; + } + + /* + * parse and fill in system event to interrupt channel and + * channel-to-host mapping. The interrupt controller to be used + * for these mappings for a given PRU remoteproc is always its + * corresponding sibling PRUSS INTC node. + */ + parent = of_get_parent(dev_of_node(pru->dev)); + if (!parent) { + kfree(pru->mapped_irq); + pru->mapped_irq = NULL; + pru->evt_count = 0; + return -ENODEV; + } + + irq_parent = of_get_child_by_name(parent, "interrupt-controller"); + of_node_put(parent); + if (!irq_parent) { + kfree(pru->mapped_irq); + pru->mapped_irq = NULL; + pru->evt_count = 0; + return -ENODEV; + } + + fwspec.fwnode = of_node_to_fwnode(irq_parent); + fwspec.param_count = 3; + for (i = 0; i < pru->evt_count; i++) { + fwspec.param[0] = rsc->pru_intc_map[i].event; + fwspec.param[1] = rsc->pru_intc_map[i].chnl; + fwspec.param[2] = rsc->pru_intc_map[i].host; + + dev_dbg(dev, "mapping%d: event %d, chnl %d, host %d\n", + i, fwspec.param[0], fwspec.param[1], fwspec.param[2]); + + pru->mapped_irq[i] = irq_create_fwspec_mapping(&fwspec); + if (!pru->mapped_irq[i]) { + dev_err(dev, "failed to get virq for fw mapping %d: event %d chnl %d host %d\n", + i, fwspec.param[0], fwspec.param[1], + fwspec.param[2]); + ret = -EINVAL; + goto map_fail; + } + } + of_node_put(irq_parent); + + return ret; + +map_fail: + pru_dispose_irq_mapping(pru); + of_node_put(irq_parent); + + return ret; +} + +static int pru_rproc_start(struct rproc *rproc) +{ + struct device *dev = &rproc->dev; + struct pru_rproc *pru = rproc->priv; + const char *names[PRU_TYPE_MAX] = { "PRU", "RTU", "Tx_PRU" }; + u32 val; + int ret; + + dev_dbg(dev, "starting %s%d: entry-point = 0x%llx\n", + names[pru->data->type], pru->id, (rproc->bootaddr >> 2)); + + ret = pru_handle_intrmap(rproc); + /* + * reset references to pru interrupt map - they will stop being valid + * after rproc_start returns + */ + pru->pru_interrupt_map = NULL; + pru->pru_interrupt_map_sz = 0; + if (ret) + return ret; + + val = CTRL_CTRL_EN | ((rproc->bootaddr >> 2) << 16); + pru_control_write_reg(pru, PRU_CTRL_CTRL, val); + + return 0; +} + +static int pru_rproc_stop(struct rproc *rproc) +{ + struct device *dev = &rproc->dev; + struct pru_rproc *pru = rproc->priv; + const char *names[PRU_TYPE_MAX] = { "PRU", "RTU", "Tx_PRU" }; + u32 val; + + dev_dbg(dev, "stopping %s%d\n", names[pru->data->type], pru->id); + + val = pru_control_read_reg(pru, PRU_CTRL_CTRL); + val &= ~CTRL_CTRL_EN; + pru_control_write_reg(pru, PRU_CTRL_CTRL, val); + + /* dispose irq mapping - new firmware can provide new mapping */ + pru_dispose_irq_mapping(pru); + + return 0; +} + +/* + * Convert PRU device address (data spaces only) to kernel virtual address. + * + * Each PRU has access to all data memories within the PRUSS, accessible at + * different ranges. So, look through both its primary and secondary Data + * RAMs as well as any shared Data RAM to convert a PRU device address to + * kernel virtual address. Data RAM0 is primary Data RAM for PRU0 and Data + * RAM1 is primary Data RAM for PRU1. + */ +static void *pru_d_da_to_va(struct pru_rproc *pru, u32 da, size_t len) +{ + struct pruss_mem_region dram0, dram1, shrd_ram; + struct pruss *pruss = pru->pruss; + u32 offset; + void *va = NULL; + + if (len == 0) + return NULL; + + dram0 = pruss->mem_regions[PRUSS_MEM_DRAM0]; + dram1 = pruss->mem_regions[PRUSS_MEM_DRAM1]; + /* PRU1 has its local RAM addresses reversed */ + if (pru->id == 1) + swap(dram0, dram1); + shrd_ram = pruss->mem_regions[PRUSS_MEM_SHRD_RAM2]; + + if (da >= PRU_PDRAM_DA && da + len <= PRU_PDRAM_DA + dram0.size) { + offset = da - PRU_PDRAM_DA; + va = (__force void *)(dram0.va + offset); + } else if (da >= PRU_SDRAM_DA && + da + len <= PRU_SDRAM_DA + dram1.size) { + offset = da - PRU_SDRAM_DA; + va = (__force void *)(dram1.va + offset); + } else if (da >= PRU_SHRDRAM_DA && + da + len <= PRU_SHRDRAM_DA + shrd_ram.size) { + offset = da - PRU_SHRDRAM_DA; + va = (__force void *)(shrd_ram.va + offset); + } + + return va; +} + +/* + * Convert PRU device address (instruction space) to kernel virtual address. + * + * A PRU does not have an unified address space. Each PRU has its very own + * private Instruction RAM, and its device address is identical to that of + * its primary Data RAM device address. + */ +static void *pru_i_da_to_va(struct pru_rproc *pru, u32 da, size_t len) +{ + u32 offset; + void *va = NULL; + + if (len == 0) + return NULL; + + /* + * GNU binutils do not support multiple address spaces. The GNU + * linker's default linker script places IRAM at an arbitrary high + * offset, in order to differentiate it from DRAM. Hence we need to + * strip the artificial offset in the IRAM addresses coming from the + * ELF file. + * + * The TI proprietary linker would never set those higher IRAM address + * bits anyway. PRU architecture limits the program counter to 16-bit + * word-address range. This in turn corresponds to 18-bit IRAM + * byte-address range for ELF. + * + * Two more bits are added just in case to make the final 20-bit mask. + * Idea is to have a safeguard in case TI decides to add banking + * in future SoCs. + */ + da &= 0xfffff; + + if (da >= PRU_IRAM_DA && + da + len <= PRU_IRAM_DA + pru->mem_regions[PRU_IOMEM_IRAM].size) { + offset = da - PRU_IRAM_DA; + va = (__force void *)(pru->mem_regions[PRU_IOMEM_IRAM].va + + offset); + } + + return va; +} + +/* + * Provide address translations for only PRU Data RAMs through the remoteproc + * core for any PRU client drivers. The PRU Instruction RAM access is restricted + * only to the PRU loader code. + */ +static void *pru_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) +{ + struct pru_rproc *pru = rproc->priv; + + return pru_d_da_to_va(pru, da, len); +} + +/* PRU-specific address translator used by PRU loader. */ +static void *pru_da_to_va(struct rproc *rproc, u64 da, size_t len, bool is_iram) +{ + struct pru_rproc *pru = rproc->priv; + void *va; + + if (is_iram) + va = pru_i_da_to_va(pru, da, len); + else + va = pru_d_da_to_va(pru, da, len); + + return va; +} + +static struct rproc_ops pru_rproc_ops = { + .start = pru_rproc_start, + .stop = pru_rproc_stop, + .da_to_va = pru_rproc_da_to_va, +}; + +/* + * Custom memory copy implementation for ICSSG PRU/RTU/Tx_PRU Cores + * + * The ICSSG PRU/RTU/Tx_PRU cores have a memory copying issue with IRAM + * memories, that is not seen on previous generation SoCs. The data is reflected + * properly in the IRAM memories only for integer (4-byte) copies. Any unaligned + * copies result in all the other pre-existing bytes zeroed out within that + * 4-byte boundary, thereby resulting in wrong text/code in the IRAMs. Also, the + * IRAM memory port interface does not allow any 8-byte copies (as commonly used + * by ARM64 memcpy implementation) and throws an exception. The DRAM memory + * ports do not show this behavior. + */ +static int pru_rproc_memcpy(void *dest, const void *src, size_t count) +{ + const u32 *s = src; + u32 *d = dest; + size_t size = count / 4; + u32 *tmp_src = NULL; + + /* + * TODO: relax limitation of 4-byte aligned dest addresses and copy + * sizes + */ + if ((long)dest % 4 || count % 4) + return -EINVAL; + + /* src offsets in ELF firmware image can be non-aligned */ + if ((long)src % 4) { + tmp_src = kmemdup(src, count, GFP_KERNEL); + if (!tmp_src) + return -ENOMEM; + s = tmp_src; + } + + while (size--) + *d++ = *s++; + + kfree(tmp_src); + + return 0; +} + +static int +pru_rproc_load_elf_segments(struct rproc *rproc, const struct firmware *fw) +{ + struct pru_rproc *pru = rproc->priv; + struct device *dev = &rproc->dev; + struct elf32_hdr *ehdr; + struct elf32_phdr *phdr; + int i, ret = 0; + const u8 *elf_data = fw->data; + + ehdr = (struct elf32_hdr *)elf_data; + phdr = (struct elf32_phdr *)(elf_data + ehdr->e_phoff); + + /* go through the available ELF segments */ + for (i = 0; i < ehdr->e_phnum; i++, phdr++) { + u32 da = phdr->p_paddr; + u32 memsz = phdr->p_memsz; + u32 filesz = phdr->p_filesz; + u32 offset = phdr->p_offset; + bool is_iram; + void *ptr; + + if (phdr->p_type != PT_LOAD || !filesz) + continue; + + dev_dbg(dev, "phdr: type %d da 0x%x memsz 0x%x filesz 0x%x\n", + phdr->p_type, da, memsz, filesz); + + if (filesz > memsz) { + dev_err(dev, "bad phdr filesz 0x%x memsz 0x%x\n", + filesz, memsz); + ret = -EINVAL; + break; + } + + if (offset + filesz > fw->size) { + dev_err(dev, "truncated fw: need 0x%x avail 0x%zx\n", + offset + filesz, fw->size); + ret = -EINVAL; + break; + } + + /* grab the kernel address for this device address */ + is_iram = phdr->p_flags & PF_X; + ptr = pru_da_to_va(rproc, da, memsz, is_iram); + if (!ptr) { + dev_err(dev, "bad phdr da 0x%x mem 0x%x\n", da, memsz); + ret = -EINVAL; + break; + } + + if (pru->data->is_k3) { + ret = pru_rproc_memcpy(ptr, elf_data + phdr->p_offset, + filesz); + if (ret) { + dev_err(dev, "PRU memory copy failed for da 0x%x memsz 0x%x\n", + da, memsz); + break; + } + } else { + memcpy(ptr, elf_data + phdr->p_offset, filesz); + } + + /* skip the memzero logic performed by remoteproc ELF loader */ + } + + return ret; +} + +static const void * +pru_rproc_find_interrupt_map(struct device *dev, const struct firmware *fw) +{ + struct elf32_shdr *shdr, *name_table_shdr; + const char *name_table; + const u8 *elf_data = fw->data; + struct elf32_hdr *ehdr = (struct elf32_hdr *)elf_data; + u16 shnum = ehdr->e_shnum; + u16 shstrndx = ehdr->e_shstrndx; + int i; + + /* first, get the section header */ + shdr = (struct elf32_shdr *)(elf_data + ehdr->e_shoff); + /* compute name table section header entry in shdr array */ + name_table_shdr = shdr + shstrndx; + /* finally, compute the name table section address in elf */ + name_table = elf_data + name_table_shdr->sh_offset; + + for (i = 0; i < shnum; i++, shdr++) { + u32 size = shdr->sh_size; + u32 offset = shdr->sh_offset; + u32 name = shdr->sh_name; + + if (strcmp(name_table + name, ".pru_irq_map")) + continue; + + /* make sure we have the entire irq map */ + if (offset + size > fw->size || offset + size < size) { + dev_err(dev, ".pru_irq_map section truncated\n"); + return ERR_PTR(-EINVAL); + } + + /* make sure irq map has at least the header */ + if (sizeof(struct pru_irq_rsc) > size) { + dev_err(dev, "header-less .pru_irq_map section\n"); + return ERR_PTR(-EINVAL); + } + + return shdr; + } + + dev_dbg(dev, "no .pru_irq_map section found for this fw\n"); + + return NULL; +} + +/* + * Use a custom parse_fw callback function for dealing with PRU firmware + * specific sections. + * + * The firmware blob can contain optional ELF sections: .resource_table section + * and .pru_irq_map one. The second one contains the PRUSS interrupt mapping + * description, which needs to be setup before powering on the PRU core. To + * avoid RAM wastage this ELF section is not mapped to any ELF segment (by the + * firmware linker) and therefore is not loaded to PRU memory. + */ +static int pru_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) +{ + struct device *dev = &rproc->dev; + struct pru_rproc *pru = rproc->priv; + const u8 *elf_data = fw->data; + const void *shdr; + u8 class = fw_elf_get_class(fw); + u64 sh_offset; + int ret; + + /* load optional rsc table */ + ret = rproc_elf_load_rsc_table(rproc, fw); + if (ret == -EINVAL) + dev_dbg(&rproc->dev, "no resource table found for this fw\n"); + else if (ret) + return ret; + + /* find .pru_interrupt_map section, not having it is not an error */ + shdr = pru_rproc_find_interrupt_map(dev, fw); + if (IS_ERR(shdr)) + return PTR_ERR(shdr); + + if (!shdr) + return 0; + + /* preserve pointer to PRU interrupt map together with it size */ + sh_offset = elf_shdr_get_sh_offset(class, shdr); + pru->pru_interrupt_map = (struct pru_irq_rsc *)(elf_data + sh_offset); + pru->pru_interrupt_map_sz = elf_shdr_get_sh_size(class, shdr); + + return 0; +} + +/* + * Compute PRU id based on the IRAM addresses. The PRU IRAMs are + * always at a particular offset within the PRUSS address space. + */ +static int pru_rproc_set_id(struct pru_rproc *pru) +{ + int ret = 0; + + switch (pru->mem_regions[PRU_IOMEM_IRAM].pa & PRU_IRAM_ADDR_MASK) { + case TX_PRU0_IRAM_ADDR_MASK: + fallthrough; + case RTU0_IRAM_ADDR_MASK: + fallthrough; + case PRU0_IRAM_ADDR_MASK: + pru->id = 0; + break; + case TX_PRU1_IRAM_ADDR_MASK: + fallthrough; + case RTU1_IRAM_ADDR_MASK: + fallthrough; + case PRU1_IRAM_ADDR_MASK: + pru->id = 1; + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static int pru_rproc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + struct platform_device *ppdev = to_platform_device(dev->parent); + struct pru_rproc *pru; + const char *fw_name; + struct rproc *rproc = NULL; + struct resource *res; + int i, ret; + const struct pru_private_data *data; + const char *mem_names[PRU_IOMEM_MAX] = { "iram", "control", "debug" }; + + data = of_device_get_match_data(&pdev->dev); + if (!data) + return -ENODEV; + + ret = of_property_read_string(np, "firmware-name", &fw_name); + if (ret) { + dev_err(dev, "unable to retrieve firmware-name %d\n", ret); + return ret; + } + + rproc = devm_rproc_alloc(dev, pdev->name, &pru_rproc_ops, fw_name, + sizeof(*pru)); + if (!rproc) { + dev_err(dev, "rproc_alloc failed\n"); + return -ENOMEM; + } + /* use a custom load function to deal with PRU-specific quirks */ + rproc->ops->load = pru_rproc_load_elf_segments; + + /* use a custom parse function to deal with PRU-specific resources */ + rproc->ops->parse_fw = pru_rproc_parse_fw; + + /* error recovery is not supported for PRUs */ + rproc->recovery_disabled = true; + + /* + * rproc_add will auto-boot the processor normally, but this is not + * desired with PRU client driven boot-flow methodology. A PRU + * application/client driver will boot the corresponding PRU + * remote-processor as part of its state machine either through the + * remoteproc sysfs interface or through the equivalent kernel API. + */ + rproc->auto_boot = false; + + pru = rproc->priv; + pru->dev = dev; + pru->data = data; + pru->pruss = platform_get_drvdata(ppdev); + pru->rproc = rproc; + pru->fw_name = fw_name; + + for (i = 0; i < ARRAY_SIZE(mem_names); i++) { + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, + mem_names[i]); + pru->mem_regions[i].va = devm_ioremap_resource(dev, res); + if (IS_ERR(pru->mem_regions[i].va)) { + dev_err(dev, "failed to parse and map memory resource %d %s\n", + i, mem_names[i]); + ret = PTR_ERR(pru->mem_regions[i].va); + return ret; + } + pru->mem_regions[i].pa = res->start; + pru->mem_regions[i].size = resource_size(res); + + dev_dbg(dev, "memory %8s: pa %pa size 0x%zx va %pK\n", + mem_names[i], &pru->mem_regions[i].pa, + pru->mem_regions[i].size, pru->mem_regions[i].va); + } + + ret = pru_rproc_set_id(pru); + if (ret < 0) + return ret; + + platform_set_drvdata(pdev, rproc); + + ret = devm_rproc_add(dev, pru->rproc); + if (ret) { + dev_err(dev, "rproc_add failed: %d\n", ret); + return ret; + } + + pru_rproc_create_debug_entries(rproc); + + dev_dbg(dev, "PRU rproc node %pOF probed successfully\n", np); + + return 0; +} + +static int pru_rproc_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct rproc *rproc = platform_get_drvdata(pdev); + + dev_dbg(dev, "%s: removing rproc %s\n", __func__, rproc->name); + + return 0; +} + +static const struct pru_private_data pru_data = { + .type = PRU_TYPE_PRU, +}; + +static const struct pru_private_data k3_pru_data = { + .type = PRU_TYPE_PRU, + .is_k3 = 1, +}; + +static const struct pru_private_data k3_rtu_data = { + .type = PRU_TYPE_RTU, + .is_k3 = 1, +}; + +static const struct pru_private_data k3_tx_pru_data = { + .type = PRU_TYPE_TX_PRU, + .is_k3 = 1, +}; + +static const struct of_device_id pru_rproc_match[] = { + { .compatible = "ti,am3356-pru", .data = &pru_data }, + { .compatible = "ti,am4376-pru", .data = &pru_data }, + { .compatible = "ti,am5728-pru", .data = &pru_data }, + { .compatible = "ti,k2g-pru", .data = &pru_data }, + { .compatible = "ti,am654-pru", .data = &k3_pru_data }, + { .compatible = "ti,am654-rtu", .data = &k3_rtu_data }, + { .compatible = "ti,am654-tx-pru", .data = &k3_tx_pru_data }, + { .compatible = "ti,j721e-pru", .data = &k3_pru_data }, + { .compatible = "ti,j721e-rtu", .data = &k3_rtu_data }, + { .compatible = "ti,j721e-tx-pru", .data = &k3_tx_pru_data }, + {}, +}; +MODULE_DEVICE_TABLE(of, pru_rproc_match); + +static struct platform_driver pru_rproc_driver = { + .driver = { + .name = "pru-rproc", + .of_match_table = pru_rproc_match, + .suppress_bind_attrs = true, + }, + .probe = pru_rproc_probe, + .remove = pru_rproc_remove, +}; +module_platform_driver(pru_rproc_driver); + +MODULE_AUTHOR("Suman Anna "); +MODULE_AUTHOR("Andrew F. Davis "); +MODULE_AUTHOR("Grzegorz Jaszczyk "); +MODULE_DESCRIPTION("PRU-ICSS Remote Processor Driver"); +MODULE_LICENSE("GPL v2"); diff --git b/drivers/remoteproc/pru_rproc.h b/drivers/remoteproc/pru_rproc.h new file mode 100644 index 0000000..8ee9c31 --- /dev/null +++ b/drivers/remoteproc/pru_rproc.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* + * PRUSS Remote Processor specific types + * + * Copyright (C) 2014-2020 Texas Instruments Incorporated - https://www.ti.com/ + * Suman Anna + */ + +#ifndef _PRU_RPROC_H_ +#define _PRU_RPROC_H_ + +/** + * struct pruss_int_map - PRU system events _to_ channel and host mapping + * @event: number of the system event + * @chnl: channel number assigned to a given @event + * @host: host number assigned to a given @chnl + * + * PRU system events are mapped to channels, and these channels are mapped + * to host interrupts. Events can be mapped to channels in a one-to-one or + * many-to-one ratio (multiple events per channel), and channels can be + * mapped to host interrupts in a one-to-one or many-to-one ratio (multiple + * channels per interrupt). + */ +struct pruss_int_map { + u8 event; + u8 chnl; + u8 host; +}; + +/** + * struct pru_irq_rsc - PRU firmware section header for IRQ data + * @type: resource type + * @num_evts: number of described events + * @pru_intc_map: PRU interrupt routing description + * + * The PRU firmware blob can contain optional .pru_irq_map ELF section, which + * provides the PRUSS interrupt mapping description. The pru_irq_rsc struct + * describes resource entry format. + */ +struct pru_irq_rsc { + u8 type; + u8 num_evts; + struct pruss_int_map pru_intc_map[]; +} __packed; + +#endif /* _PRU_RPROC_H_ */ diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c index 085fd73..4b91e3c 100644 --- a/drivers/remoteproc/qcom_common.c +++ b/drivers/remoteproc/qcom_common.c @@ -17,6 +17,7 @@ #include #include #include +#include #include "remoteproc_internal.h" #include "qcom_common.h" @@ -25,6 +26,61 @@ #define to_smd_subdev(d) container_of(d, struct qcom_rproc_subdev, subdev) #define to_ssr_subdev(d) container_of(d, struct qcom_rproc_ssr, subdev) +#define MAX_NUM_OF_SS 10 +#define MAX_REGION_NAME_LENGTH 16 +#define SBL_MINIDUMP_SMEM_ID 602 +#define MD_REGION_VALID ('V' << 24 | 'A' << 16 | 'L' << 8 | 'I' << 0) +#define MD_SS_ENCR_DONE ('D' << 24 | 'O' << 16 | 'N' << 8 | 'E' << 0) +#define MD_SS_ENABLED ('E' << 24 | 'N' << 16 | 'B' << 8 | 'L' << 0) + +/** + * struct minidump_region - Minidump region + * @name : Name of the region to be dumped + * @seq_num: : Use to differentiate regions with same name. + * @valid : This entry to be dumped (if set to 1) + * @address : Physical address of region to be dumped + * @size : Size of the region + */ +struct minidump_region { + char name[MAX_REGION_NAME_LENGTH]; + __le32 seq_num; + __le32 valid; + __le64 address; + __le64 size; +}; + +/** + * struct minidump_subsystem_toc: Subsystem's SMEM Table of content + * @status : Subsystem toc init status + * @enabled : if set to 1, this region would be copied during coredump + * @encryption_status: Encryption status for this subsystem + * @encryption_required : Decides to encrypt the subsystem regions or not + * @region_count : Number of regions added in this subsystem toc + * @regions_baseptr : regions base pointer of the subsystem + */ +struct minidump_subsystem { + __le32 status; + __le32 enabled; + __le32 encryption_status; + __le32 encryption_required; + __le32 region_count; + __le64 regions_baseptr; +}; + +/** + * struct minidump_global_toc: Global Table of Content + * @status : Global Minidump init status + * @md_revision : Minidump revision + * @enabled : Minidump enable status + * @subsystems : Array of subsystems toc + */ +struct minidump_global_toc { + __le32 status; + __le32 md_revision; + __le32 enabled; + struct minidump_subsystem subsystems[MAX_NUM_OF_SS]; +}; + struct qcom_ssr_subsystem { const char *name; struct srcu_notifier_head notifier_list; @@ -34,6 +90,96 @@ struct qcom_ssr_subsystem { static LIST_HEAD(qcom_ssr_subsystem_list); static DEFINE_MUTEX(qcom_ssr_subsys_lock); +static void qcom_minidump_cleanup(struct rproc *rproc) +{ + struct rproc_dump_segment *entry, *tmp; + + list_for_each_entry_safe(entry, tmp, &rproc->dump_segments, node) { + list_del(&entry->node); + kfree(entry->priv); + kfree(entry); + } +} + +static int qcom_add_minidump_segments(struct rproc *rproc, struct minidump_subsystem *subsystem) +{ + struct minidump_region __iomem *ptr; + struct minidump_region region; + int seg_cnt, i; + dma_addr_t da; + size_t size; + char *name; + + if (WARN_ON(!list_empty(&rproc->dump_segments))) { + dev_err(&rproc->dev, "dump segment list already populated\n"); + return -EUCLEAN; + } + + seg_cnt = le32_to_cpu(subsystem->region_count); + ptr = ioremap((unsigned long)le64_to_cpu(subsystem->regions_baseptr), + seg_cnt * sizeof(struct minidump_region)); + if (!ptr) + return -EFAULT; + + for (i = 0; i < seg_cnt; i++) { + memcpy_fromio(®ion, ptr + i, sizeof(region)); + if (region.valid == MD_REGION_VALID) { + name = kstrdup(region.name, GFP_KERNEL); + if (!name) { + iounmap(ptr); + return -ENOMEM; + } + da = le64_to_cpu(region.address); + size = le32_to_cpu(region.size); + rproc_coredump_add_custom_segment(rproc, da, size, NULL, name); + } + } + + iounmap(ptr); + return 0; +} + +void qcom_minidump(struct rproc *rproc, unsigned int minidump_id) +{ + int ret; + struct minidump_subsystem *subsystem; + struct minidump_global_toc *toc; + + /* Get Global minidump ToC*/ + toc = qcom_smem_get(QCOM_SMEM_HOST_ANY, SBL_MINIDUMP_SMEM_ID, NULL); + + /* check if global table pointer exists and init is set */ + if (IS_ERR(toc) || !toc->status) { + dev_err(&rproc->dev, "Minidump TOC not found in SMEM\n"); + return; + } + + /* Get subsystem table of contents using the minidump id */ + subsystem = &toc->subsystems[minidump_id]; + + /** + * Collect minidump if SS ToC is valid and segment table + * is initialized in memory and encryption status is set. + */ + if (subsystem->regions_baseptr == 0 || + le32_to_cpu(subsystem->status) != 1 || + le32_to_cpu(subsystem->enabled) != MD_SS_ENABLED || + le32_to_cpu(subsystem->encryption_status) != MD_SS_ENCR_DONE) { + dev_err(&rproc->dev, "Minidump not ready, skipping\n"); + return; + } + + ret = qcom_add_minidump_segments(rproc, subsystem); + if (ret) { + dev_err(&rproc->dev, "Failed with error: %d while adding minidump entries\n", ret); + goto clean_minidump; + } + rproc_coredump_using_sections(rproc); +clean_minidump: + qcom_minidump_cleanup(rproc); +} +EXPORT_SYMBOL_GPL(qcom_minidump); + static int glink_subdev_start(struct rproc_subdev *subdev) { struct qcom_rproc_glink *glink = to_glink_subdev(subdev); diff --git a/drivers/remoteproc/qcom_common.h b/drivers/remoteproc/qcom_common.h index dfc641c..c35adf7 100644 --- a/drivers/remoteproc/qcom_common.h +++ b/drivers/remoteproc/qcom_common.h @@ -33,6 +33,8 @@ struct qcom_rproc_ssr { struct qcom_ssr_subsystem *info; }; +void qcom_minidump(struct rproc *rproc, unsigned int minidump_id); + void qcom_add_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink, const char *ssr_name); void qcom_remove_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink); @@ -51,6 +53,7 @@ struct qcom_sysmon *qcom_add_sysmon_subdev(struct rproc *rproc, const char *name, int ssctl_instance); void qcom_remove_sysmon_subdev(struct qcom_sysmon *sysmon); +bool qcom_sysmon_shutdown_acked(struct qcom_sysmon *sysmon); #else static inline struct qcom_sysmon *qcom_add_sysmon_subdev(struct rproc *rproc, const char *name, @@ -62,6 +65,11 @@ static inline struct qcom_sysmon *qcom_add_sysmon_subdev(struct rproc *rproc, static inline void qcom_remove_sysmon_subdev(struct qcom_sysmon *sysmon) { } + +static inline bool qcom_sysmon_shutdown_acked(struct qcom_sysmon *sysmon) +{ + return false; +} #endif #endif diff --git a/drivers/remoteproc/qcom_q6v5.c b/drivers/remoteproc/qcom_q6v5.c index fd6fd36..9627a95 100644 --- a/drivers/remoteproc/qcom_q6v5.c +++ b/drivers/remoteproc/qcom_q6v5.c @@ -13,6 +13,7 @@ #include #include #include +#include "qcom_common.h" #include "qcom_q6v5.h" #define Q6V5_PANIC_DELAY_MS 200 @@ -146,15 +147,20 @@ static irqreturn_t q6v5_stop_interrupt(int irq, void *data) /** * qcom_q6v5_request_stop() - request the remote processor to stop * @q6v5: reference to qcom_q6v5 context + * @sysmon: reference to the remote's sysmon instance, or NULL * * Return: 0 on success, negative errno on failure */ -int qcom_q6v5_request_stop(struct qcom_q6v5 *q6v5) +int qcom_q6v5_request_stop(struct qcom_q6v5 *q6v5, struct qcom_sysmon *sysmon) { int ret; q6v5->running = false; + /* Don't perform SMP2P dance if sysmon already shut down the remote */ + if (qcom_sysmon_shutdown_acked(sysmon)) + return 0; + qcom_smem_state_update_bits(q6v5->state, BIT(q6v5->stop_bit), BIT(q6v5->stop_bit)); diff --git a/drivers/remoteproc/qcom_q6v5.h b/drivers/remoteproc/qcom_q6v5.h index c4ed887..1c212f6 100644 --- a/drivers/remoteproc/qcom_q6v5.h +++ b/drivers/remoteproc/qcom_q6v5.h @@ -8,6 +8,7 @@ struct rproc; struct qcom_smem_state; +struct qcom_sysmon; struct qcom_q6v5 { struct device *dev; @@ -40,7 +41,7 @@ int qcom_q6v5_init(struct qcom_q6v5 *q6v5, struct platform_device *pdev, int qcom_q6v5_prepare(struct qcom_q6v5 *q6v5); int qcom_q6v5_unprepare(struct qcom_q6v5 *q6v5); -int qcom_q6v5_request_stop(struct qcom_q6v5 *q6v5); +int qcom_q6v5_request_stop(struct qcom_q6v5 *q6v5, struct qcom_sysmon *sysmon); int qcom_q6v5_wait_for_start(struct qcom_q6v5 *q6v5, int timeout); unsigned long qcom_q6v5_panic(struct qcom_q6v5 *q6v5); diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c index e0be10d..8a90379 100644 --- a/drivers/remoteproc/qcom_q6v5_adsp.c +++ b/drivers/remoteproc/qcom_q6v5_adsp.c @@ -266,7 +266,7 @@ static int adsp_stop(struct rproc *rproc) int handover; int ret; - ret = qcom_q6v5_request_stop(&adsp->q6v5); + ret = qcom_q6v5_request_stop(&adsp->q6v5, adsp->sysmon); if (ret == -ETIMEDOUT) dev_err(adsp->dev, "timed out on wait\n"); @@ -281,7 +281,7 @@ static int adsp_stop(struct rproc *rproc) return ret; } -static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; int offset; diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index bfbab45..daa18bf 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -132,6 +132,7 @@ struct qcom_mss_reg_res { struct rproc_hexagon_res { const char *hexagon_mba_image; struct qcom_mss_reg_res *proxy_supply; + struct qcom_mss_reg_res *fallback_proxy_supply; struct qcom_mss_reg_res *active_supply; char **proxy_clk_names; char **reset_clk_names; @@ -177,16 +178,17 @@ struct q6v5 { int proxy_pd_count; struct reg_info active_regs[1]; - struct reg_info proxy_regs[3]; + struct reg_info proxy_regs[1]; + struct reg_info fallback_proxy_regs[2]; int active_reg_count; int proxy_reg_count; + int fallback_proxy_reg_count; bool dump_mba_loaded; size_t current_dump_size; size_t total_dump_size; phys_addr_t mba_phys; - void *mba_region; size_t mba_size; size_t dp_size; @@ -408,7 +410,7 @@ static int q6v5_xfer_mem_ownership(struct q6v5 *qproc, int *current_perm, current_perm, next, perms); } -static void q6v5_debug_policy_load(struct q6v5 *qproc) +static void q6v5_debug_policy_load(struct q6v5 *qproc, void *mba_region) { const struct firmware *dp_fw; @@ -416,7 +418,7 @@ static void q6v5_debug_policy_load(struct q6v5 *qproc) return; if (SZ_1M + dp_fw->size <= qproc->mba_size) { - memcpy(qproc->mba_region + SZ_1M, dp_fw->data, dp_fw->size); + memcpy(mba_region + SZ_1M, dp_fw->data, dp_fw->size); qproc->dp_size = dp_fw->size; } @@ -426,6 +428,7 @@ static void q6v5_debug_policy_load(struct q6v5 *qproc) static int q6v5_load(struct rproc *rproc, const struct firmware *fw) { struct q6v5 *qproc = rproc->priv; + void *mba_region; /* MBA is restricted to a maximum size of 1M */ if (fw->size > qproc->mba_size || fw->size > SZ_1M) { @@ -433,8 +436,16 @@ static int q6v5_load(struct rproc *rproc, const struct firmware *fw) return -EINVAL; } - memcpy(qproc->mba_region, fw->data, fw->size); - q6v5_debug_policy_load(qproc); + mba_region = memremap(qproc->mba_phys, qproc->mba_size, MEMREMAP_WC); + if (!mba_region) { + dev_err(qproc->dev, "unable to map memory region: %pa+%zx\n", + &qproc->mba_phys, qproc->mba_size); + return -EBUSY; + } + + memcpy(mba_region, fw->data, fw->size); + q6v5_debug_policy_load(qproc, mba_region); + memunmap(mba_region); return 0; } @@ -541,6 +552,7 @@ static void q6v5_dump_mba_logs(struct q6v5 *qproc) { struct rproc *rproc = qproc->rproc; void *data; + void *mba_region; if (!qproc->has_mba_logs) return; @@ -549,12 +561,16 @@ static void q6v5_dump_mba_logs(struct q6v5 *qproc) qproc->mba_size)) return; - data = vmalloc(MBA_LOG_SIZE); - if (!data) + mba_region = memremap(qproc->mba_phys, qproc->mba_size, MEMREMAP_WC); + if (!mba_region) return; - memcpy(data, qproc->mba_region, MBA_LOG_SIZE); - dev_coredumpv(&rproc->dev, data, MBA_LOG_SIZE, GFP_KERNEL); + data = vmalloc(MBA_LOG_SIZE); + if (data) { + memcpy(data, mba_region, MBA_LOG_SIZE); + dev_coredumpv(&rproc->dev, data, MBA_LOG_SIZE, GFP_KERNEL); + } + memunmap(mba_region); } static int q6v5proc_reset(struct q6v5 *qproc) @@ -893,11 +909,18 @@ static int q6v5_mba_load(struct q6v5 *qproc) goto disable_active_pds; } + ret = q6v5_regulator_enable(qproc, qproc->fallback_proxy_regs, + qproc->fallback_proxy_reg_count); + if (ret) { + dev_err(qproc->dev, "failed to enable fallback proxy supplies\n"); + goto disable_proxy_pds; + } + ret = q6v5_regulator_enable(qproc, qproc->proxy_regs, qproc->proxy_reg_count); if (ret) { dev_err(qproc->dev, "failed to enable proxy supplies\n"); - goto disable_proxy_pds; + goto disable_fallback_proxy_reg; } ret = q6v5_clk_enable(qproc->dev, qproc->proxy_clks, @@ -1011,6 +1034,9 @@ disable_proxy_clk: disable_proxy_reg: q6v5_regulator_disable(qproc, qproc->proxy_regs, qproc->proxy_reg_count); +disable_fallback_proxy_reg: + q6v5_regulator_disable(qproc, qproc->fallback_proxy_regs, + qproc->fallback_proxy_reg_count); disable_proxy_pds: q6v5_pds_disable(qproc, qproc->proxy_pds, qproc->proxy_pd_count); disable_active_pds: @@ -1066,6 +1092,8 @@ static void q6v5_mba_reclaim(struct q6v5 *qproc) qproc->proxy_pd_count); q6v5_clk_disable(qproc->dev, qproc->proxy_clks, qproc->proxy_clk_count); + q6v5_regulator_disable(qproc, qproc->fallback_proxy_regs, + qproc->fallback_proxy_reg_count); q6v5_regulator_disable(qproc, qproc->proxy_regs, qproc->proxy_reg_count); } @@ -1376,7 +1404,7 @@ static int q6v5_stop(struct rproc *rproc) struct q6v5 *qproc = (struct q6v5 *)rproc->priv; int ret; - ret = qcom_q6v5_request_stop(&qproc->q6v5); + ret = qcom_q6v5_request_stop(&qproc->q6v5, qproc->sysmon); if (ret == -ETIMEDOUT) dev_err(qproc->dev, "timed out on wait\n"); @@ -1444,6 +1472,8 @@ static void qcom_msa_handover(struct qcom_q6v5 *q6v5) qproc->proxy_clk_count); q6v5_regulator_disable(qproc, qproc->proxy_regs, qproc->proxy_reg_count); + q6v5_regulator_disable(qproc, qproc->fallback_proxy_regs, + qproc->fallback_proxy_reg_count); q6v5_pds_disable(qproc, qproc->proxy_pds, qproc->proxy_pd_count); } @@ -1609,12 +1639,6 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc) qproc->mba_phys = r.start; qproc->mba_size = resource_size(&r); - qproc->mba_region = devm_ioremap_wc(qproc->dev, qproc->mba_phys, qproc->mba_size); - if (!qproc->mba_region) { - dev_err(qproc->dev, "unable to map memory region: %pa+%zx\n", - &r.start, qproc->mba_size); - return -EBUSY; - } if (!child) { node = of_parse_phandle(qproc->dev->of_node, @@ -1655,8 +1679,10 @@ static int q6v5_probe(struct platform_device *pdev) mba_image = desc->hexagon_mba_image; ret = of_property_read_string_index(pdev->dev.of_node, "firmware-name", 0, &mba_image); - if (ret < 0 && ret != -EINVAL) + if (ret < 0 && ret != -EINVAL) { + dev_err(&pdev->dev, "unable to read mba firmware-name\n"); return ret; + } rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_ops, mba_image, sizeof(*qproc)); @@ -1674,8 +1700,10 @@ static int q6v5_probe(struct platform_device *pdev) qproc->hexagon_mdt_image = "/*(DEBLOBBED)*/"; ret = of_property_read_string_index(pdev->dev.of_node, "firmware-name", 1, &qproc->hexagon_mdt_image); - if (ret < 0 && ret != -EINVAL) + if (ret < 0 && ret != -EINVAL) { + dev_err(&pdev->dev, "unable to read mpss firmware-name\n"); goto free_rproc; + } platform_set_drvdata(pdev, qproc); @@ -1738,11 +1766,22 @@ static int q6v5_probe(struct platform_device *pdev) ret = q6v5_pds_attach(&pdev->dev, qproc->proxy_pds, desc->proxy_pd_names); - if (ret < 0) { + /* Fallback to regulators for old device trees */ + if (ret == -ENODATA && desc->fallback_proxy_supply) { + ret = q6v5_regulator_init(&pdev->dev, + qproc->fallback_proxy_regs, + desc->fallback_proxy_supply); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to get fallback proxy regulators.\n"); + goto detach_active_pds; + } + qproc->fallback_proxy_reg_count = ret; + } else if (ret < 0) { dev_err(&pdev->dev, "Failed to init power domains\n"); goto detach_active_pds; + } else { + qproc->proxy_pd_count = ret; } - qproc->proxy_pd_count = ret; qproc->has_alt_reset = desc->has_alt_reset; ret = q6v5_init_reset(qproc); @@ -1943,6 +1982,13 @@ static const struct rproc_hexagon_res msm8996_mss = { static const struct rproc_hexagon_res msm8916_mss = { .hexagon_mba_image = "/*(DEBLOBBED)*/", .proxy_supply = (struct qcom_mss_reg_res[]) { + { + .supply = "pll", + .uA = 100000, + }, + {} + }, + .fallback_proxy_supply = (struct qcom_mss_reg_res[]) { { .supply = "mx", .uV = 1050000, @@ -1951,10 +1997,6 @@ static const struct rproc_hexagon_res msm8916_mss = { .supply = "cx", .uA = 100000, }, - { - .supply = "pll", - .uA = 100000, - }, {} }, .proxy_clk_names = (char*[]){ @@ -1967,6 +2009,11 @@ static const struct rproc_hexagon_res msm8916_mss = { "mem", NULL }, + .proxy_pd_names = (char*[]){ + "mx", + "cx", + NULL + }, .need_mem_protection = false, .has_alt_reset = false, .has_mba_logs = false, @@ -1977,6 +2024,13 @@ static const struct rproc_hexagon_res msm8916_mss = { static const struct rproc_hexagon_res msm8974_mss = { .hexagon_mba_image = "/*(DEBLOBBED)*/", .proxy_supply = (struct qcom_mss_reg_res[]) { + { + .supply = "pll", + .uA = 100000, + }, + {} + }, + .fallback_proxy_supply = (struct qcom_mss_reg_res[]) { { .supply = "mx", .uV = 1050000, @@ -1985,10 +2039,6 @@ static const struct rproc_hexagon_res msm8974_mss = { .supply = "cx", .uA = 100000, }, - { - .supply = "pll", - .uA = 100000, - }, {} }, .active_supply = (struct qcom_mss_reg_res[]) { @@ -2009,6 +2059,11 @@ static const struct rproc_hexagon_res msm8974_mss = { "mem", NULL }, + .proxy_pd_names = (char*[]){ + "mx", + "cx", + NULL + }, .need_mem_protection = false, .has_alt_reset = false, .has_mba_logs = false, diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index d98df22..3d57fda 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -33,6 +33,7 @@ struct adsp_data { int crash_reason_smem; const char *firmware_name; int pas_id; + unsigned int minidump_id; bool has_aggre2_clk; bool auto_boot; @@ -63,6 +64,7 @@ struct qcom_adsp { int proxy_pd_count; int pas_id; + unsigned int minidump_id; int crash_reason_smem; bool has_aggre2_clk; const char *info_name; @@ -81,6 +83,13 @@ struct qcom_adsp { struct qcom_sysmon *sysmon; }; +static void adsp_minidump(struct rproc *rproc) +{ + struct qcom_adsp *adsp = rproc->priv; + + qcom_minidump(rproc, adsp->minidump_id); +} + static int adsp_pds_enable(struct qcom_adsp *adsp, struct device **pds, size_t pd_count) { @@ -217,7 +226,7 @@ static int adsp_stop(struct rproc *rproc) int handover; int ret; - ret = qcom_q6v5_request_stop(&adsp->q6v5); + ret = qcom_q6v5_request_stop(&adsp->q6v5, adsp->sysmon); if (ret == -ETIMEDOUT) dev_err(adsp->dev, "timed out on wait\n"); @@ -233,7 +242,7 @@ static int adsp_stop(struct rproc *rproc) return ret; } -static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; int offset; @@ -261,6 +270,15 @@ static const struct rproc_ops adsp_ops = { .panic = adsp_panic, }; +static const struct rproc_ops adsp_minidump_ops = { + .start = adsp_start, + .stop = adsp_stop, + .da_to_va = adsp_da_to_va, + .load = adsp_load, + .panic = adsp_panic, + .coredump = adsp_minidump, +}; + static int adsp_init_clock(struct qcom_adsp *adsp) { int ret; @@ -386,6 +404,7 @@ static int adsp_probe(struct platform_device *pdev) struct qcom_adsp *adsp; struct rproc *rproc; const char *fw_name; + const struct rproc_ops *ops = &adsp_ops; int ret; desc = of_device_get_match_data(&pdev->dev); @@ -401,8 +420,11 @@ static int adsp_probe(struct platform_device *pdev) if (ret < 0 && ret != -EINVAL) return ret; - rproc = rproc_alloc(&pdev->dev, pdev->name, &adsp_ops, - fw_name, sizeof(*adsp)); + if (desc->minidump_id) + ops = &adsp_minidump_ops; + + rproc = rproc_alloc(&pdev->dev, pdev->name, ops, fw_name, sizeof(*adsp)); + if (!rproc) { dev_err(&pdev->dev, "unable to allocate remoteproc\n"); return -ENOMEM; @@ -414,6 +436,7 @@ static int adsp_probe(struct platform_device *pdev) adsp = (struct qcom_adsp *)rproc->priv; adsp->dev = &pdev->dev; adsp->rproc = rproc; + adsp->minidump_id = desc->minidump_id; adsp->pas_id = desc->pas_id; adsp->has_aggre2_clk = desc->has_aggre2_clk; adsp->info_name = desc->sysmon_name; @@ -542,6 +565,26 @@ static const struct adsp_data sm8250_adsp_resource = { .ssctl_id = 0x14, }; +static const struct adsp_data sm8350_adsp_resource = { + .crash_reason_smem = 423, + .firmware_name = "/*(DEBLOBBED)*/", + .pas_id = 1, + .has_aggre2_clk = false, + .auto_boot = true, + .active_pd_names = (char*[]){ + "load_state", + NULL + }, + .proxy_pd_names = (char*[]){ + "lcx", + "lmx", + NULL + }, + .ssr_name = "lpass", + .sysmon_name = "adsp", + .ssctl_id = 0x14, +}; + static const struct adsp_data msm8998_adsp_resource = { .crash_reason_smem = 423, .firmware_name = "/*(DEBLOBBED)*/", @@ -606,10 +649,30 @@ static const struct adsp_data sm8250_cdsp_resource = { .ssctl_id = 0x17, }; +static const struct adsp_data sm8350_cdsp_resource = { + .crash_reason_smem = 601, + .firmware_name = "/*(DEBLOBBED)*/", + .pas_id = 18, + .has_aggre2_clk = false, + .auto_boot = true, + .active_pd_names = (char*[]){ + "load_state", + NULL + }, + .proxy_pd_names = (char*[]){ + "cx", + NULL + }, + .ssr_name = "cdsp", + .sysmon_name = "cdsp", + .ssctl_id = 0x17, +}; + static const struct adsp_data mpss_resource_init = { .crash_reason_smem = 421, .firmware_name = "/*(DEBLOBBED)*/", .pas_id = 4, + .minidump_id = 3, .has_aggre2_clk = false, .auto_boot = false, .active_pd_names = (char*[]){ @@ -677,6 +740,26 @@ static const struct adsp_data sm8250_slpi_resource = { .ssctl_id = 0x16, }; +static const struct adsp_data sm8350_slpi_resource = { + .crash_reason_smem = 424, + .firmware_name = "/*(DEBLOBBED)*/", + .pas_id = 12, + .has_aggre2_clk = false, + .auto_boot = true, + .active_pd_names = (char*[]){ + "load_state", + NULL + }, + .proxy_pd_names = (char*[]){ + "lcx", + "lmx", + NULL + }, + .ssr_name = "dsps", + .sysmon_name = "slpi", + .ssctl_id = 0x16, +}; + static const struct adsp_data msm8998_slpi_resource = { .crash_reason_smem = 424, .firmware_name = "/*(DEBLOBBED)*/", @@ -702,6 +785,22 @@ static const struct adsp_data wcss_resource_init = { .ssctl_id = 0x12, }; +static const struct adsp_data sdx55_mpss_resource = { + .crash_reason_smem = 421, + .firmware_name = "/*(DEBLOBBED)*/", + .pas_id = 4, + .has_aggre2_clk = false, + .auto_boot = true, + .proxy_pd_names = (char*[]){ + "cx", + "mss", + NULL + }, + .ssr_name = "mpss", + .sysmon_name = "modem", + .ssctl_id = 0x22, +}; + static const struct of_device_id adsp_of_match[] = { { .compatible = "qcom,msm8974-adsp-pil", .data = &adsp_resource_init}, { .compatible = "qcom,msm8996-adsp-pil", .data = &adsp_resource_init}, @@ -714,6 +813,7 @@ static const struct of_device_id adsp_of_match[] = { { .compatible = "qcom,sc7180-mpss-pas", .data = &mpss_resource_init}, { .compatible = "qcom,sdm845-adsp-pas", .data = &adsp_resource_init}, { .compatible = "qcom,sdm845-cdsp-pas", .data = &cdsp_resource_init}, + { .compatible = "qcom,sdx55-mpss-pas", .data = &sdx55_mpss_resource}, { .compatible = "qcom,sm8150-adsp-pas", .data = &sm8150_adsp_resource}, { .compatible = "qcom,sm8150-cdsp-pas", .data = &sm8150_cdsp_resource}, { .compatible = "qcom,sm8150-mpss-pas", .data = &mpss_resource_init}, @@ -721,6 +821,10 @@ static const struct of_device_id adsp_of_match[] = { { .compatible = "qcom,sm8250-adsp-pas", .data = &sm8250_adsp_resource}, { .compatible = "qcom,sm8250-cdsp-pas", .data = &sm8250_cdsp_resource}, { .compatible = "qcom,sm8250-slpi-pas", .data = &sm8250_slpi_resource}, + { .compatible = "qcom,sm8350-adsp-pas", .data = &sm8350_adsp_resource}, + { .compatible = "qcom,sm8350-cdsp-pas", .data = &sm8350_cdsp_resource}, + { .compatible = "qcom,sm8350-slpi-pas", .data = &sm8350_slpi_resource}, + { .compatible = "qcom,sm8350-mpss-pas", .data = &mpss_resource_init}, { }, }; MODULE_DEVICE_TABLE(of, adsp_of_match); diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c index 363e520..da2af5b 100644 --- a/drivers/remoteproc/qcom_q6v5_wcss.c +++ b/drivers/remoteproc/qcom_q6v5_wcss.c @@ -4,13 +4,18 @@ * Copyright (C) 2014 Sony Mobile Communications AB * Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. */ +#include +#include +#include #include #include #include #include +#include #include #include #include +#include #include #include #include "qcom_common.h" @@ -24,6 +29,9 @@ #define Q6SS_GFMUX_CTL_REG 0x020 #define Q6SS_PWR_CTL_REG 0x030 #define Q6SS_MEM_PWR_CTL 0x0B0 +#define Q6SS_STRAP_ACC 0x110 +#define Q6SS_CGC_OVERRIDE 0x034 +#define Q6SS_BCR_REG 0x6000 /* AXI Halt Register Offsets */ #define AXI_HALTREQ_REG 0x0 @@ -37,14 +45,19 @@ #define Q6SS_CORE_ARES BIT(1) #define Q6SS_BUS_ARES_ENABLE BIT(2) +/* Q6SS_BRC_RESET */ +#define Q6SS_BRC_BLK_ARES BIT(0) + /* Q6SS_GFMUX_CTL */ #define Q6SS_CLK_ENABLE BIT(1) +#define Q6SS_SWITCH_CLK_SRC BIT(8) /* Q6SS_PWR_CTL */ #define Q6SS_L2DATA_STBY_N BIT(18) #define Q6SS_SLP_RET_N BIT(19) #define Q6SS_CLAMP_IO BIT(20) #define QDSS_BHS_ON BIT(21) +#define QDSS_Q6_MEMORIES GENMASK(15, 0) /* Q6SS parameters */ #define Q6SS_LDO_BYP BIT(25) @@ -53,6 +66,7 @@ #define Q6SS_CLAMP_QMC_MEM BIT(22) #define HALT_CHECK_MAX_LOOPS 200 #define Q6SS_XO_CBCR GENMASK(5, 3) +#define Q6SS_SLEEP_CBCR GENMASK(5, 2) /* Q6SS config/status registers */ #define TCSR_GLOBAL_CFG0 0x0 @@ -71,6 +85,25 @@ #define TCSR_WCSS_CLK_MASK 0x1F #define TCSR_WCSS_CLK_ENABLE 0x14 +#define MAX_HALT_REG 3 +enum { + WCSS_IPQ8074, + WCSS_QCS404, +}; + +struct wcss_data { + const char *firmware_name; + unsigned int crash_reason_smem; + u32 version; + bool aon_reset_required; + bool wcss_q6_reset_required; + const char *ssr_name; + const char *sysmon_name; + int ssctl_id; + const struct rproc_ops *ops; + bool requires_force_stop; +}; + struct q6v5_wcss { struct device *dev; @@ -82,9 +115,26 @@ struct q6v5_wcss { u32 halt_wcss; u32 halt_nc; + struct clk *xo; + struct clk *ahbfabric_cbcr_clk; + struct clk *gcc_abhs_cbcr; + struct clk *gcc_axim_cbcr; + struct clk *lcc_csr_cbcr; + struct clk *ahbs_cbcr; + struct clk *tcm_slave_cbcr; + struct clk *qdsp6ss_abhm_cbcr; + struct clk *qdsp6ss_sleep_cbcr; + struct clk *qdsp6ss_axim_cbcr; + struct clk *qdsp6ss_xo_cbcr; + struct clk *qdsp6ss_core_gfmux; + struct clk *lcc_bcr_sleep; + struct regulator *cx_supply; + struct qcom_sysmon *sysmon; + struct reset_control *wcss_aon_reset; struct reset_control *wcss_reset; struct reset_control *wcss_q6_reset; + struct reset_control *wcss_q6_bcr_reset; struct qcom_q6v5 q6v5; @@ -93,6 +143,10 @@ struct q6v5_wcss { void *mem_region; size_t mem_size; + unsigned int crash_reason_smem; + u32 version; + bool requires_force_stop; + struct qcom_rproc_glink glink_subdev; struct qcom_rproc_ssr ssr_subdev; }; @@ -237,6 +291,207 @@ wcss_reset: return ret; } +static int q6v5_wcss_qcs404_power_on(struct q6v5_wcss *wcss) +{ + unsigned long val; + int ret, idx; + + /* Toggle the restart */ + reset_control_assert(wcss->wcss_reset); + usleep_range(200, 300); + reset_control_deassert(wcss->wcss_reset); + usleep_range(200, 300); + + /* Enable GCC_WDSP_Q6SS_AHBS_CBCR clock */ + ret = clk_prepare_enable(wcss->gcc_abhs_cbcr); + if (ret) + return ret; + + /* Remove reset to the WCNSS QDSP6SS */ + reset_control_deassert(wcss->wcss_q6_bcr_reset); + + /* Enable Q6SSTOP_AHBFABRIC_CBCR clock */ + ret = clk_prepare_enable(wcss->ahbfabric_cbcr_clk); + if (ret) + goto disable_gcc_abhs_cbcr_clk; + + /* Enable the LCCCSR CBC clock, Q6SSTOP_Q6SSTOP_LCC_CSR_CBCR clock */ + ret = clk_prepare_enable(wcss->lcc_csr_cbcr); + if (ret) + goto disable_ahbfabric_cbcr_clk; + + /* Enable the Q6AHBS CBC, Q6SSTOP_Q6SS_AHBS_CBCR clock */ + ret = clk_prepare_enable(wcss->ahbs_cbcr); + if (ret) + goto disable_csr_cbcr_clk; + + /* Enable the TCM slave CBC, Q6SSTOP_Q6SS_TCM_SLAVE_CBCR clock */ + ret = clk_prepare_enable(wcss->tcm_slave_cbcr); + if (ret) + goto disable_ahbs_cbcr_clk; + + /* Enable the Q6SS AHB master CBC, Q6SSTOP_Q6SS_AHBM_CBCR clock */ + ret = clk_prepare_enable(wcss->qdsp6ss_abhm_cbcr); + if (ret) + goto disable_tcm_slave_cbcr_clk; + + /* Enable the Q6SS AXI master CBC, Q6SSTOP_Q6SS_AXIM_CBCR clock */ + ret = clk_prepare_enable(wcss->qdsp6ss_axim_cbcr); + if (ret) + goto disable_abhm_cbcr_clk; + + /* Enable the Q6SS XO CBC */ + val = readl(wcss->reg_base + Q6SS_XO_CBCR); + val |= BIT(0); + writel(val, wcss->reg_base + Q6SS_XO_CBCR); + /* Read CLKOFF bit to go low indicating CLK is enabled */ + ret = readl_poll_timeout(wcss->reg_base + Q6SS_XO_CBCR, + val, !(val & BIT(31)), 1, + HALT_CHECK_MAX_LOOPS); + if (ret) { + dev_err(wcss->dev, + "xo cbcr enabling timed out (rc:%d)\n", ret); + return ret; + } + + writel(0, wcss->reg_base + Q6SS_CGC_OVERRIDE); + + /* Enable QDSP6 sleep clock clock */ + val = readl(wcss->reg_base + Q6SS_SLEEP_CBCR); + val |= BIT(0); + writel(val, wcss->reg_base + Q6SS_SLEEP_CBCR); + + /* Enable the Enable the Q6 AXI clock, GCC_WDSP_Q6SS_AXIM_CBCR*/ + ret = clk_prepare_enable(wcss->gcc_axim_cbcr); + if (ret) + goto disable_sleep_cbcr_clk; + + /* Assert resets, stop core */ + val = readl(wcss->reg_base + Q6SS_RESET_REG); + val |= Q6SS_CORE_ARES | Q6SS_BUS_ARES_ENABLE | Q6SS_STOP_CORE; + writel(val, wcss->reg_base + Q6SS_RESET_REG); + + /* Program the QDSP6SS PWR_CTL register */ + writel(0x01700000, wcss->reg_base + Q6SS_PWR_CTL_REG); + + writel(0x03700000, wcss->reg_base + Q6SS_PWR_CTL_REG); + + writel(0x03300000, wcss->reg_base + Q6SS_PWR_CTL_REG); + + writel(0x033C0000, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* + * Enable memories by turning on the QDSP6 memory foot/head switch, one + * bank at a time to avoid in-rush current + */ + for (idx = 28; idx >= 0; idx--) { + writel((readl(wcss->reg_base + Q6SS_MEM_PWR_CTL) | + (1 << idx)), wcss->reg_base + Q6SS_MEM_PWR_CTL); + } + + writel(0x031C0000, wcss->reg_base + Q6SS_PWR_CTL_REG); + writel(0x030C0000, wcss->reg_base + Q6SS_PWR_CTL_REG); + + val = readl(wcss->reg_base + Q6SS_RESET_REG); + val &= ~Q6SS_CORE_ARES; + writel(val, wcss->reg_base + Q6SS_RESET_REG); + + /* Enable the Q6 core clock at the GFM, Q6SSTOP_QDSP6SS_GFMUX_CTL */ + val = readl(wcss->reg_base + Q6SS_GFMUX_CTL_REG); + val |= Q6SS_CLK_ENABLE | Q6SS_SWITCH_CLK_SRC; + writel(val, wcss->reg_base + Q6SS_GFMUX_CTL_REG); + + /* Enable sleep clock branch needed for BCR circuit */ + ret = clk_prepare_enable(wcss->lcc_bcr_sleep); + if (ret) + goto disable_core_gfmux_clk; + + return 0; + +disable_core_gfmux_clk: + val = readl(wcss->reg_base + Q6SS_GFMUX_CTL_REG); + val &= ~(Q6SS_CLK_ENABLE | Q6SS_SWITCH_CLK_SRC); + writel(val, wcss->reg_base + Q6SS_GFMUX_CTL_REG); + clk_disable_unprepare(wcss->gcc_axim_cbcr); +disable_sleep_cbcr_clk: + val = readl(wcss->reg_base + Q6SS_SLEEP_CBCR); + val &= ~Q6SS_CLK_ENABLE; + writel(val, wcss->reg_base + Q6SS_SLEEP_CBCR); + val = readl(wcss->reg_base + Q6SS_XO_CBCR); + val &= ~Q6SS_CLK_ENABLE; + writel(val, wcss->reg_base + Q6SS_XO_CBCR); + clk_disable_unprepare(wcss->qdsp6ss_axim_cbcr); +disable_abhm_cbcr_clk: + clk_disable_unprepare(wcss->qdsp6ss_abhm_cbcr); +disable_tcm_slave_cbcr_clk: + clk_disable_unprepare(wcss->tcm_slave_cbcr); +disable_ahbs_cbcr_clk: + clk_disable_unprepare(wcss->ahbs_cbcr); +disable_csr_cbcr_clk: + clk_disable_unprepare(wcss->lcc_csr_cbcr); +disable_ahbfabric_cbcr_clk: + clk_disable_unprepare(wcss->ahbfabric_cbcr_clk); +disable_gcc_abhs_cbcr_clk: + clk_disable_unprepare(wcss->gcc_abhs_cbcr); + + return ret; +} + +static inline int q6v5_wcss_qcs404_reset(struct q6v5_wcss *wcss) +{ + unsigned long val; + + writel(0x80800000, wcss->reg_base + Q6SS_STRAP_ACC); + + /* Start core execution */ + val = readl(wcss->reg_base + Q6SS_RESET_REG); + val &= ~Q6SS_STOP_CORE; + writel(val, wcss->reg_base + Q6SS_RESET_REG); + + return 0; +} + +static int q6v5_qcs404_wcss_start(struct rproc *rproc) +{ + struct q6v5_wcss *wcss = rproc->priv; + int ret; + + ret = clk_prepare_enable(wcss->xo); + if (ret) + return ret; + + ret = regulator_enable(wcss->cx_supply); + if (ret) + goto disable_xo_clk; + + qcom_q6v5_prepare(&wcss->q6v5); + + ret = q6v5_wcss_qcs404_power_on(wcss); + if (ret) { + dev_err(wcss->dev, "wcss clk_enable failed\n"); + goto disable_cx_supply; + } + + writel(rproc->bootaddr >> 4, wcss->reg_base + Q6SS_RST_EVB); + + q6v5_wcss_qcs404_reset(wcss); + + ret = qcom_q6v5_wait_for_start(&wcss->q6v5, 5 * HZ); + if (ret == -ETIMEDOUT) { + dev_err(wcss->dev, "start timed out\n"); + goto disable_cx_supply; + } + + return 0; + +disable_cx_supply: + regulator_disable(wcss->cx_supply); +disable_xo_clk: + clk_disable_unprepare(wcss->xo); + + return ret; +} + static void q6v5_wcss_halt_axi_port(struct q6v5_wcss *wcss, struct regmap *halt_map, u32 offset) @@ -271,6 +526,70 @@ static void q6v5_wcss_halt_axi_port(struct q6v5_wcss *wcss, regmap_write(halt_map, offset + AXI_HALTREQ_REG, 0); } +static int q6v5_qcs404_wcss_shutdown(struct q6v5_wcss *wcss) +{ + unsigned long val; + int ret; + + q6v5_wcss_halt_axi_port(wcss, wcss->halt_map, wcss->halt_wcss); + + /* assert clamps to avoid MX current inrush */ + val = readl(wcss->reg_base + Q6SS_PWR_CTL_REG); + val |= (Q6SS_CLAMP_IO | Q6SS_CLAMP_WL | Q6SS_CLAMP_QMC_MEM); + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* Disable memories by turning off memory foot/headswitch */ + writel((readl(wcss->reg_base + Q6SS_MEM_PWR_CTL) & + ~QDSS_Q6_MEMORIES), + wcss->reg_base + Q6SS_MEM_PWR_CTL); + + /* Clear the BHS_ON bit */ + val = readl(wcss->reg_base + Q6SS_PWR_CTL_REG); + val &= ~Q6SS_BHS_ON; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + clk_disable_unprepare(wcss->ahbfabric_cbcr_clk); + clk_disable_unprepare(wcss->lcc_csr_cbcr); + clk_disable_unprepare(wcss->tcm_slave_cbcr); + clk_disable_unprepare(wcss->qdsp6ss_abhm_cbcr); + clk_disable_unprepare(wcss->qdsp6ss_axim_cbcr); + + val = readl(wcss->reg_base + Q6SS_SLEEP_CBCR); + val &= ~BIT(0); + writel(val, wcss->reg_base + Q6SS_SLEEP_CBCR); + + val = readl(wcss->reg_base + Q6SS_XO_CBCR); + val &= ~BIT(0); + writel(val, wcss->reg_base + Q6SS_XO_CBCR); + + clk_disable_unprepare(wcss->ahbs_cbcr); + clk_disable_unprepare(wcss->lcc_bcr_sleep); + + val = readl(wcss->reg_base + Q6SS_GFMUX_CTL_REG); + val &= ~(Q6SS_CLK_ENABLE | Q6SS_SWITCH_CLK_SRC); + writel(val, wcss->reg_base + Q6SS_GFMUX_CTL_REG); + + clk_disable_unprepare(wcss->gcc_abhs_cbcr); + + ret = reset_control_assert(wcss->wcss_reset); + if (ret) { + dev_err(wcss->dev, "wcss_reset failed\n"); + return ret; + } + usleep_range(200, 300); + + ret = reset_control_deassert(wcss->wcss_reset); + if (ret) { + dev_err(wcss->dev, "wcss_reset failed\n"); + return ret; + } + usleep_range(200, 300); + + clk_disable_unprepare(wcss->gcc_axim_cbcr); + + return 0; +} + static int q6v5_wcss_powerdown(struct q6v5_wcss *wcss) { int ret; @@ -390,27 +709,35 @@ static int q6v5_wcss_stop(struct rproc *rproc) int ret; /* WCSS powerdown */ - ret = qcom_q6v5_request_stop(&wcss->q6v5); - if (ret == -ETIMEDOUT) { - dev_err(wcss->dev, "timed out on wait\n"); - return ret; + if (wcss->requires_force_stop) { + ret = qcom_q6v5_request_stop(&wcss->q6v5, NULL); + if (ret == -ETIMEDOUT) { + dev_err(wcss->dev, "timed out on wait\n"); + return ret; + } } - ret = q6v5_wcss_powerdown(wcss); - if (ret) - return ret; - - /* Q6 Power down */ - ret = q6v5_q6_powerdown(wcss); - if (ret) - return ret; + if (wcss->version == WCSS_QCS404) { + ret = q6v5_qcs404_wcss_shutdown(wcss); + if (ret) + return ret; + } else { + ret = q6v5_wcss_powerdown(wcss); + if (ret) + return ret; + + /* Q6 Power down */ + ret = q6v5_q6_powerdown(wcss); + if (ret) + return ret; + } qcom_q6v5_unprepare(&wcss->q6v5); return 0; } -static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct q6v5_wcss *wcss = rproc->priv; int offset; @@ -438,7 +765,7 @@ static int q6v5_wcss_load(struct rproc *rproc, const struct firmware *fw) return ret; } -static const struct rproc_ops q6v5_wcss_ops = { +static const struct rproc_ops q6v5_wcss_ipq8074_ops = { .start = q6v5_wcss_start, .stop = q6v5_wcss_stop, .da_to_va = q6v5_wcss_da_to_va, @@ -446,26 +773,46 @@ static const struct rproc_ops q6v5_wcss_ops = { .get_boot_addr = rproc_elf_get_boot_addr, }; -static int q6v5_wcss_init_reset(struct q6v5_wcss *wcss) +static const struct rproc_ops q6v5_wcss_qcs404_ops = { + .start = q6v5_qcs404_wcss_start, + .stop = q6v5_wcss_stop, + .da_to_va = q6v5_wcss_da_to_va, + .load = q6v5_wcss_load, + .get_boot_addr = rproc_elf_get_boot_addr, + .parse_fw = qcom_register_dump_segments, +}; + +static int q6v5_wcss_init_reset(struct q6v5_wcss *wcss, + const struct wcss_data *desc) { struct device *dev = wcss->dev; - wcss->wcss_aon_reset = devm_reset_control_get(dev, "wcss_aon_reset"); - if (IS_ERR(wcss->wcss_aon_reset)) { - dev_err(wcss->dev, "unable to acquire wcss_aon_reset\n"); - return PTR_ERR(wcss->wcss_aon_reset); + if (desc->aon_reset_required) { + wcss->wcss_aon_reset = devm_reset_control_get_exclusive(dev, "wcss_aon_reset"); + if (IS_ERR(wcss->wcss_aon_reset)) { + dev_err(wcss->dev, "fail to acquire wcss_aon_reset\n"); + return PTR_ERR(wcss->wcss_aon_reset); + } } - wcss->wcss_reset = devm_reset_control_get(dev, "wcss_reset"); + wcss->wcss_reset = devm_reset_control_get_exclusive(dev, "wcss_reset"); if (IS_ERR(wcss->wcss_reset)) { dev_err(wcss->dev, "unable to acquire wcss_reset\n"); return PTR_ERR(wcss->wcss_reset); } - wcss->wcss_q6_reset = devm_reset_control_get(dev, "wcss_q6_reset"); - if (IS_ERR(wcss->wcss_q6_reset)) { - dev_err(wcss->dev, "unable to acquire wcss_q6_reset\n"); - return PTR_ERR(wcss->wcss_q6_reset); + if (desc->wcss_q6_reset_required) { + wcss->wcss_q6_reset = devm_reset_control_get_exclusive(dev, "wcss_q6_reset"); + if (IS_ERR(wcss->wcss_q6_reset)) { + dev_err(wcss->dev, "unable to acquire wcss_q6_reset\n"); + return PTR_ERR(wcss->wcss_q6_reset); + } + } + + wcss->wcss_q6_bcr_reset = devm_reset_control_get_exclusive(dev, "wcss_q6_bcr_reset"); + if (IS_ERR(wcss->wcss_q6_bcr_reset)) { + dev_err(wcss->dev, "unable to acquire wcss_q6_bcr_reset\n"); + return PTR_ERR(wcss->wcss_q6_bcr_reset); } return 0; @@ -474,35 +821,48 @@ static int q6v5_wcss_init_reset(struct q6v5_wcss *wcss) static int q6v5_wcss_init_mmio(struct q6v5_wcss *wcss, struct platform_device *pdev) { - struct of_phandle_args args; + unsigned int halt_reg[MAX_HALT_REG] = {0}; + struct device_node *syscon; struct resource *res; int ret; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qdsp6"); - wcss->reg_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(wcss->reg_base)) - return PTR_ERR(wcss->reg_base); + wcss->reg_base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + if (!wcss->reg_base) + return -ENOMEM; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rmb"); - wcss->rmb_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(wcss->rmb_base)) - return PTR_ERR(wcss->rmb_base); + if (wcss->version == WCSS_IPQ8074) { + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rmb"); + wcss->rmb_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(wcss->rmb_base)) + return PTR_ERR(wcss->rmb_base); + } - ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node, - "qcom,halt-regs", 3, 0, &args); - if (ret < 0) { + syscon = of_parse_phandle(pdev->dev.of_node, + "qcom,halt-regs", 0); + if (!syscon) { dev_err(&pdev->dev, "failed to parse qcom,halt-regs\n"); return -EINVAL; } - wcss->halt_map = syscon_node_to_regmap(args.np); - of_node_put(args.np); + wcss->halt_map = syscon_node_to_regmap(syscon); + of_node_put(syscon); if (IS_ERR(wcss->halt_map)) return PTR_ERR(wcss->halt_map); - wcss->halt_q6 = args.args[0]; - wcss->halt_wcss = args.args[1]; - wcss->halt_nc = args.args[2]; + ret = of_property_read_variable_u32_array(pdev->dev.of_node, + "qcom,halt-regs", + halt_reg, 0, + MAX_HALT_REG); + if (ret < 0) { + dev_err(&pdev->dev, "failed to parse qcom,halt-regs\n"); + return -EINVAL; + } + + wcss->halt_q6 = halt_reg[0]; + wcss->halt_wcss = halt_reg[1]; + wcss->halt_nc = halt_reg[2]; return 0; } @@ -536,14 +896,120 @@ static int q6v5_alloc_memory_region(struct q6v5_wcss *wcss) return 0; } +static int q6v5_wcss_init_clock(struct q6v5_wcss *wcss) +{ + int ret; + + wcss->xo = devm_clk_get(wcss->dev, "xo"); + if (IS_ERR(wcss->xo)) { + ret = PTR_ERR(wcss->xo); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get xo clock"); + return ret; + } + + wcss->gcc_abhs_cbcr = devm_clk_get(wcss->dev, "gcc_abhs_cbcr"); + if (IS_ERR(wcss->gcc_abhs_cbcr)) { + ret = PTR_ERR(wcss->gcc_abhs_cbcr); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get gcc abhs clock"); + return ret; + } + + wcss->gcc_axim_cbcr = devm_clk_get(wcss->dev, "gcc_axim_cbcr"); + if (IS_ERR(wcss->gcc_axim_cbcr)) { + ret = PTR_ERR(wcss->gcc_axim_cbcr); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get gcc axim clock\n"); + return ret; + } + + wcss->ahbfabric_cbcr_clk = devm_clk_get(wcss->dev, + "lcc_ahbfabric_cbc"); + if (IS_ERR(wcss->ahbfabric_cbcr_clk)) { + ret = PTR_ERR(wcss->ahbfabric_cbcr_clk); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get ahbfabric clock\n"); + return ret; + } + + wcss->lcc_csr_cbcr = devm_clk_get(wcss->dev, "tcsr_lcc_cbc"); + if (IS_ERR(wcss->lcc_csr_cbcr)) { + ret = PTR_ERR(wcss->lcc_csr_cbcr); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get csr cbcr clk\n"); + return ret; + } + + wcss->ahbs_cbcr = devm_clk_get(wcss->dev, + "lcc_abhs_cbc"); + if (IS_ERR(wcss->ahbs_cbcr)) { + ret = PTR_ERR(wcss->ahbs_cbcr); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get ahbs_cbcr clk\n"); + return ret; + } + + wcss->tcm_slave_cbcr = devm_clk_get(wcss->dev, + "lcc_tcm_slave_cbc"); + if (IS_ERR(wcss->tcm_slave_cbcr)) { + ret = PTR_ERR(wcss->tcm_slave_cbcr); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get tcm cbcr clk\n"); + return ret; + } + + wcss->qdsp6ss_abhm_cbcr = devm_clk_get(wcss->dev, "lcc_abhm_cbc"); + if (IS_ERR(wcss->qdsp6ss_abhm_cbcr)) { + ret = PTR_ERR(wcss->qdsp6ss_abhm_cbcr); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get abhm cbcr clk\n"); + return ret; + } + + wcss->qdsp6ss_axim_cbcr = devm_clk_get(wcss->dev, "lcc_axim_cbc"); + if (IS_ERR(wcss->qdsp6ss_axim_cbcr)) { + ret = PTR_ERR(wcss->qdsp6ss_axim_cbcr); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get axim cbcr clk\n"); + return ret; + } + + wcss->lcc_bcr_sleep = devm_clk_get(wcss->dev, "lcc_bcr_sleep"); + if (IS_ERR(wcss->lcc_bcr_sleep)) { + ret = PTR_ERR(wcss->lcc_bcr_sleep); + if (ret != -EPROBE_DEFER) + dev_err(wcss->dev, "failed to get bcr cbcr clk\n"); + return ret; + } + + return 0; +} + +static int q6v5_wcss_init_regulator(struct q6v5_wcss *wcss) +{ + wcss->cx_supply = devm_regulator_get(wcss->dev, "cx"); + if (IS_ERR(wcss->cx_supply)) + return PTR_ERR(wcss->cx_supply); + + regulator_set_load(wcss->cx_supply, 100000); + + return 0; +} + static int q6v5_wcss_probe(struct platform_device *pdev) { + const struct wcss_data *desc; struct q6v5_wcss *wcss; struct rproc *rproc; int ret; - rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_wcss_ops, - "/*(DEBLOBBED)*/", sizeof(*wcss)); + desc = device_get_match_data(&pdev->dev); + if (!desc) + return -EINVAL; + + rproc = rproc_alloc(&pdev->dev, pdev->name, desc->ops, + desc->firmware_name, sizeof(*wcss)); if (!rproc) { dev_err(&pdev->dev, "failed to allocate rproc\n"); return -ENOMEM; @@ -551,6 +1017,10 @@ static int q6v5_wcss_probe(struct platform_device *pdev) wcss = rproc->priv; wcss->dev = &pdev->dev; + wcss->version = desc->version; + + wcss->version = desc->version; + wcss->requires_force_stop = desc->requires_force_stop; ret = q6v5_wcss_init_mmio(wcss, pdev); if (ret) @@ -560,17 +1030,33 @@ static int q6v5_wcss_probe(struct platform_device *pdev) if (ret) goto free_rproc; - ret = q6v5_wcss_init_reset(wcss); + if (wcss->version == WCSS_QCS404) { + ret = q6v5_wcss_init_clock(wcss); + if (ret) + goto free_rproc; + + ret = q6v5_wcss_init_regulator(wcss); + if (ret) + goto free_rproc; + } + + ret = q6v5_wcss_init_reset(wcss, desc); if (ret) goto free_rproc; - ret = qcom_q6v5_init(&wcss->q6v5, pdev, rproc, WCSS_CRASH_REASON, NULL); + ret = qcom_q6v5_init(&wcss->q6v5, pdev, rproc, desc->crash_reason_smem, + NULL); if (ret) goto free_rproc; qcom_add_glink_subdev(rproc, &wcss->glink_subdev, "q6wcss"); qcom_add_ssr_subdev(rproc, &wcss->ssr_subdev, "q6wcss"); + if (desc->ssctl_id) + wcss->sysmon = qcom_add_sysmon_subdev(rproc, + desc->sysmon_name, + desc->ssctl_id); + ret = rproc_add(rproc); if (ret) goto free_rproc; @@ -595,8 +1081,31 @@ static int q6v5_wcss_remove(struct platform_device *pdev) return 0; } +static const struct wcss_data wcss_ipq8074_res_init = { + .firmware_name = "/*(DEBLOBBED)*/", + .crash_reason_smem = WCSS_CRASH_REASON, + .aon_reset_required = true, + .wcss_q6_reset_required = true, + .ops = &q6v5_wcss_ipq8074_ops, + .requires_force_stop = true, +}; + +static const struct wcss_data wcss_qcs404_res_init = { + .crash_reason_smem = WCSS_CRASH_REASON, + .firmware_name = "/*(DEBLOBBED)*/", + .version = WCSS_QCS404, + .aon_reset_required = false, + .wcss_q6_reset_required = false, + .ssr_name = "mpss", + .sysmon_name = "wcnss", + .ssctl_id = 0x12, + .ops = &q6v5_wcss_qcs404_ops, + .requires_force_stop = false, +}; + static const struct of_device_id q6v5_wcss_of_match[] = { - { .compatible = "qcom,ipq8074-wcss-pil" }, + { .compatible = "qcom,ipq8074-wcss-pil", .data = &wcss_ipq8074_res_init }, + { .compatible = "qcom,qcs404-wcss-pil", .data = &wcss_qcs404_res_init }, { }, }; MODULE_DEVICE_TABLE(of, q6v5_wcss_of_match); diff --git a/drivers/remoteproc/qcom_sysmon.c b/drivers/remoteproc/qcom_sysmon.c index b37b111..9fca814 100644 --- a/drivers/remoteproc/qcom_sysmon.c +++ b/drivers/remoteproc/qcom_sysmon.c @@ -44,6 +44,7 @@ struct qcom_sysmon { struct mutex lock; bool ssr_ack; + bool shutdown_acked; struct qmi_handle qmi; struct sockaddr_qrtr ssctl; @@ -115,10 +116,13 @@ out_unlock: /** * sysmon_request_shutdown() - request graceful shutdown of remote * @sysmon: sysmon context + * + * Return: boolean indicator of the remote processor acking the request */ -static void sysmon_request_shutdown(struct qcom_sysmon *sysmon) +static bool sysmon_request_shutdown(struct qcom_sysmon *sysmon) { char *req = "ssr:shutdown"; + bool acked = false; int ret; mutex_lock(&sysmon->lock); @@ -141,9 +145,13 @@ static void sysmon_request_shutdown(struct qcom_sysmon *sysmon) if (!sysmon->ssr_ack) dev_err(sysmon->dev, "unexpected response to sysmon shutdown request\n"); + else + acked = true; out_unlock: mutex_unlock(&sysmon->lock); + + return acked; } static int sysmon_callback(struct rpmsg_device *rpdev, void *data, int count, @@ -286,7 +294,7 @@ static void sysmon_ind_cb(struct qmi_handle *qmi, struct sockaddr_qrtr *sq, complete(&sysmon->ind_comp); } -static struct qmi_msg_handler qmi_indication_handler[] = { +static const struct qmi_msg_handler qmi_indication_handler[] = { { .type = QMI_INDICATION, .msg_id = SSCTL_SHUTDOWN_READY_IND, @@ -297,14 +305,33 @@ static struct qmi_msg_handler qmi_indication_handler[] = { {} }; +static bool ssctl_request_shutdown_wait(struct qcom_sysmon *sysmon) +{ + int ret; + + ret = wait_for_completion_timeout(&sysmon->shutdown_comp, 10 * HZ); + if (ret) + return true; + + ret = try_wait_for_completion(&sysmon->ind_comp); + if (ret) + return true; + + dev_err(sysmon->dev, "timeout waiting for shutdown ack\n"); + return false; +} + /** * ssctl_request_shutdown() - request shutdown via SSCTL QMI service * @sysmon: sysmon context + * + * Return: boolean indicator of the remote processor acking the request */ -static void ssctl_request_shutdown(struct qcom_sysmon *sysmon) +static bool ssctl_request_shutdown(struct qcom_sysmon *sysmon) { struct ssctl_shutdown_resp resp; struct qmi_txn txn; + bool acked = false; int ret; reinit_completion(&sysmon->ind_comp); @@ -312,7 +339,7 @@ static void ssctl_request_shutdown(struct qcom_sysmon *sysmon) ret = qmi_txn_init(&sysmon->qmi, &txn, ssctl_shutdown_resp_ei, &resp); if (ret < 0) { dev_err(sysmon->dev, "failed to allocate QMI txn\n"); - return; + return false; } ret = qmi_send_request(&sysmon->qmi, &sysmon->ssctl, &txn, @@ -320,27 +347,23 @@ static void ssctl_request_shutdown(struct qcom_sysmon *sysmon) if (ret < 0) { dev_err(sysmon->dev, "failed to send shutdown request\n"); qmi_txn_cancel(&txn); - return; + return false; } ret = qmi_txn_wait(&txn, 5 * HZ); - if (ret < 0) - dev_err(sysmon->dev, "failed receiving QMI response\n"); - else if (resp.resp.result) - dev_err(sysmon->dev, "shutdown request failed\n"); - else + if (ret < 0) { + dev_err(sysmon->dev, "timeout waiting for shutdown response\n"); + } else if (resp.resp.result) { + dev_err(sysmon->dev, "shutdown request rejected\n"); + } else { dev_dbg(sysmon->dev, "shutdown request completed\n"); - - if (sysmon->shutdown_irq > 0) { - ret = wait_for_completion_timeout(&sysmon->shutdown_comp, - 10 * HZ); - if (!ret) { - ret = try_wait_for_completion(&sysmon->ind_comp); - if (!ret) - dev_err(sysmon->dev, - "timeout waiting for shutdown ack\n"); - } + acked = true; } + + if (sysmon->shutdown_irq > 0) + return ssctl_request_shutdown_wait(sysmon); + + return acked; } /** @@ -374,18 +397,18 @@ static void ssctl_send_event(struct qcom_sysmon *sysmon, SSCTL_SUBSYS_EVENT_REQ, 40, ssctl_subsys_event_req_ei, &req); if (ret < 0) { - dev_err(sysmon->dev, "failed to send shutdown request\n"); + dev_err(sysmon->dev, "failed to send subsystem event\n"); qmi_txn_cancel(&txn); return; } ret = qmi_txn_wait(&txn, 5 * HZ); if (ret < 0) - dev_err(sysmon->dev, "failed receiving QMI response\n"); + dev_err(sysmon->dev, "timeout waiting for subsystem event response\n"); else if (resp.resp.result) - dev_err(sysmon->dev, "ssr event send failed\n"); + dev_err(sysmon->dev, "subsystem event rejected\n"); else - dev_dbg(sysmon->dev, "ssr event send completed\n"); + dev_dbg(sysmon->dev, "subsystem event accepted\n"); } /** @@ -511,6 +534,8 @@ static void sysmon_stop(struct rproc_subdev *subdev, bool crashed) .ssr_event = SSCTL_SSR_EVENT_BEFORE_SHUTDOWN }; + sysmon->shutdown_acked = false; + mutex_lock(&sysmon->state_lock); sysmon->state = SSCTL_SSR_EVENT_BEFORE_SHUTDOWN; blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event); @@ -521,9 +546,9 @@ static void sysmon_stop(struct rproc_subdev *subdev, bool crashed) return; if (sysmon->ssctl_version) - ssctl_request_shutdown(sysmon); + sysmon->shutdown_acked = ssctl_request_shutdown(sysmon); else if (sysmon->ept) - sysmon_request_shutdown(sysmon); + sysmon->shutdown_acked = sysmon_request_shutdown(sysmon); } static void sysmon_unprepare(struct rproc_subdev *subdev) @@ -681,6 +706,22 @@ void qcom_remove_sysmon_subdev(struct qcom_sysmon *sysmon) } EXPORT_SYMBOL_GPL(qcom_remove_sysmon_subdev); +/** + * qcom_sysmon_shutdown_acked() - query the success of the last shutdown + * @sysmon: sysmon context + * + * When sysmon is used to request a graceful shutdown of the remote processor + * this can be used by the remoteproc driver to query the success, in order to + * know if it should fall back to other means of requesting a shutdown. + * + * Return: boolean indicator of the success of the last shutdown request + */ +bool qcom_sysmon_shutdown_acked(struct qcom_sysmon *sysmon) +{ + return sysmon && sysmon->shutdown_acked; +} +EXPORT_SYMBOL_GPL(qcom_sysmon_shutdown_acked); + /** * sysmon_probe() - probe sys_mon channel * @rpdev: rpmsg device handle diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c index 609a53c..24711b4 100644 --- a/drivers/remoteproc/qcom_wcnss.c +++ b/drivers/remoteproc/qcom_wcnss.c @@ -17,6 +17,8 @@ #include #include #include +#include +#include #include #include #include @@ -51,12 +53,15 @@ #define WCNSS_PMU_XO_MODE_19p2 0 #define WCNSS_PMU_XO_MODE_48 3 +#define WCNSS_MAX_PDS 2 + struct wcnss_data { size_t pmu_offset; size_t spare_offset; + const char *pd_names[WCNSS_MAX_PDS]; const struct wcnss_vreg_info *vregs; - size_t num_vregs; + size_t num_vregs, num_pd_vregs; }; struct qcom_wcnss { @@ -80,6 +85,8 @@ struct qcom_wcnss { struct mutex iris_lock; struct qcom_iris *iris; + struct device *pds[WCNSS_MAX_PDS]; + size_t num_pds; struct regulator_bulk_data *vregs; size_t num_vregs; @@ -111,24 +118,28 @@ static const struct wcnss_data pronto_v1_data = { .pmu_offset = 0x1004, .spare_offset = 0x1088, + .pd_names = { "mx", "cx" }, .vregs = (struct wcnss_vreg_info[]) { { "vddmx", 950000, 1150000, 0 }, { "vddcx", .super_turbo = true}, { "vddpx", 1800000, 1800000, 0 }, }, - .num_vregs = 3, + .num_pd_vregs = 2, + .num_vregs = 1, }; static const struct wcnss_data pronto_v2_data = { .pmu_offset = 0x1004, .spare_offset = 0x1088, + .pd_names = { "mx", "cx" }, .vregs = (struct wcnss_vreg_info[]) { { "vddmx", 1287500, 1287500, 0 }, { "vddcx", .super_turbo = true }, { "vddpx", 1800000, 1800000, 0 }, }, - .num_vregs = 3, + .num_pd_vregs = 2, + .num_vregs = 1, }; void qcom_wcnss_assign_iris(struct qcom_wcnss *wcnss, @@ -219,7 +230,7 @@ static void wcnss_configure_iris(struct qcom_wcnss *wcnss) static int wcnss_start(struct rproc *rproc) { struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; - int ret; + int ret, i; mutex_lock(&wcnss->iris_lock); if (!wcnss->iris) { @@ -228,9 +239,18 @@ static int wcnss_start(struct rproc *rproc) goto release_iris_lock; } + for (i = 0; i < wcnss->num_pds; i++) { + dev_pm_genpd_set_performance_state(wcnss->pds[i], INT_MAX); + ret = pm_runtime_get_sync(wcnss->pds[i]); + if (ret < 0) { + pm_runtime_put_noidle(wcnss->pds[i]); + goto disable_pds; + } + } + ret = regulator_bulk_enable(wcnss->num_vregs, wcnss->vregs); if (ret) - goto release_iris_lock; + goto disable_pds; ret = qcom_iris_enable(wcnss->iris); if (ret) @@ -262,6 +282,11 @@ disable_iris: qcom_iris_disable(wcnss->iris); disable_regulators: regulator_bulk_disable(wcnss->num_vregs, wcnss->vregs); +disable_pds: + for (i--; i >= 0; i--) { + pm_runtime_put(wcnss->pds[i]); + dev_pm_genpd_set_performance_state(wcnss->pds[i], 0); + } release_iris_lock: mutex_unlock(&wcnss->iris_lock); @@ -295,7 +320,7 @@ static int wcnss_stop(struct rproc *rproc) return ret; } -static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; int offset; @@ -371,14 +396,54 @@ static irqreturn_t wcnss_stop_ack_interrupt(int irq, void *dev) return IRQ_HANDLED; } +static int wcnss_init_pds(struct qcom_wcnss *wcnss, + const char * const pd_names[WCNSS_MAX_PDS]) +{ + int i, ret; + + for (i = 0; i < WCNSS_MAX_PDS; i++) { + if (!pd_names[i]) + break; + + wcnss->pds[i] = dev_pm_domain_attach_by_name(wcnss->dev, pd_names[i]); + if (IS_ERR_OR_NULL(wcnss->pds[i])) { + ret = PTR_ERR(wcnss->pds[i]) ? : -ENODATA; + for (i--; i >= 0; i--) + dev_pm_domain_detach(wcnss->pds[i], false); + return ret; + } + } + wcnss->num_pds = i; + + return 0; +} + +static void wcnss_release_pds(struct qcom_wcnss *wcnss) +{ + int i; + + for (i = 0; i < wcnss->num_pds; i++) + dev_pm_domain_detach(wcnss->pds[i], false); +} + static int wcnss_init_regulators(struct qcom_wcnss *wcnss, const struct wcnss_vreg_info *info, - int num_vregs) + int num_vregs, int num_pd_vregs) { struct regulator_bulk_data *bulk; int ret; int i; + /* + * If attaching the power domains suceeded we can skip requesting + * the regulators for the power domains. For old device trees we need to + * reserve extra space to manage them through the regulator interface. + */ + if (wcnss->num_pds) + info += num_pd_vregs; + else + num_vregs += num_pd_vregs; + bulk = devm_kcalloc(wcnss->dev, num_vregs, sizeof(struct regulator_bulk_data), GFP_KERNEL); @@ -465,6 +530,7 @@ static int wcnss_alloc_memory_region(struct qcom_wcnss *wcnss) static int wcnss_probe(struct platform_device *pdev) { + const char *fw_name = WCNSS_FIRMWARE_NAME; const struct wcnss_data *data; struct qcom_wcnss *wcnss; struct resource *res; @@ -482,8 +548,13 @@ static int wcnss_probe(struct platform_device *pdev) return -ENXIO; } + ret = of_property_read_string(pdev->dev.of_node, "firmware-name", + &fw_name); + if (ret < 0 && ret != -EINVAL) + return ret; + rproc = rproc_alloc(&pdev->dev, pdev->name, &wcnss_ops, - WCNSS_FIRMWARE_NAME, sizeof(*wcnss)); + fw_name, sizeof(*wcnss)); if (!rproc) { dev_err(&pdev->dev, "unable to allocate remoteproc\n"); return -ENOMEM; @@ -505,7 +576,7 @@ static int wcnss_probe(struct platform_device *pdev) if (IS_ERR(mmio)) { ret = PTR_ERR(mmio); goto free_rproc; - }; + } ret = wcnss_alloc_memory_region(wcnss); if (ret) @@ -514,33 +585,42 @@ static int wcnss_probe(struct platform_device *pdev) wcnss->pmu_cfg = mmio + data->pmu_offset; wcnss->spare_out = mmio + data->spare_offset; - ret = wcnss_init_regulators(wcnss, data->vregs, data->num_vregs); - if (ret) + /* + * We might need to fallback to regulators instead of power domains + * for old device trees. Don't report an error in that case. + */ + ret = wcnss_init_pds(wcnss, data->pd_names); + if (ret && (ret != -ENODATA || !data->num_pd_vregs)) goto free_rproc; + ret = wcnss_init_regulators(wcnss, data->vregs, data->num_vregs, + data->num_pd_vregs); + if (ret) + goto detach_pds; + ret = wcnss_request_irq(wcnss, pdev, "wdog", false, wcnss_wdog_interrupt); if (ret < 0) - goto free_rproc; + goto detach_pds; wcnss->wdog_irq = ret; ret = wcnss_request_irq(wcnss, pdev, "fatal", false, wcnss_fatal_interrupt); if (ret < 0) - goto free_rproc; + goto detach_pds; wcnss->fatal_irq = ret; ret = wcnss_request_irq(wcnss, pdev, "ready", true, wcnss_ready_interrupt); if (ret < 0) - goto free_rproc; + goto detach_pds; wcnss->ready_irq = ret; ret = wcnss_request_irq(wcnss, pdev, "handover", true, wcnss_handover_interrupt); if (ret < 0) - goto free_rproc; + goto detach_pds; wcnss->handover_irq = ret; ret = wcnss_request_irq(wcnss, pdev, "stop-ack", true, wcnss_stop_ack_interrupt); if (ret < 0) - goto free_rproc; + goto detach_pds; wcnss->stop_ack_irq = ret; if (wcnss->stop_ack_irq) { @@ -548,7 +628,7 @@ static int wcnss_probe(struct platform_device *pdev) &wcnss->stop_bit); if (IS_ERR(wcnss->state)) { ret = PTR_ERR(wcnss->state); - goto free_rproc; + goto detach_pds; } } @@ -556,15 +636,17 @@ static int wcnss_probe(struct platform_device *pdev) wcnss->sysmon = qcom_add_sysmon_subdev(rproc, "wcnss", WCNSS_SSCTL_ID); if (IS_ERR(wcnss->sysmon)) { ret = PTR_ERR(wcnss->sysmon); - goto free_rproc; + goto detach_pds; } ret = rproc_add(rproc); if (ret) - goto free_rproc; + goto detach_pds; return of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev); +detach_pds: + wcnss_release_pds(wcnss); free_rproc: rproc_free(rproc); @@ -582,6 +664,7 @@ static int wcnss_remove(struct platform_device *pdev) qcom_remove_sysmon_subdev(wcnss->sysmon); qcom_remove_smd_subdev(wcnss->rproc, &wcnss->smd_subdev); + wcnss_release_pds(wcnss); rproc_free(wcnss->rproc); return 0; diff --git a/drivers/remoteproc/qcom_wcnss_iris.c b/drivers/remoteproc/qcom_wcnss_iris.c index 0e0ae1e..169acd3 100644 --- a/drivers/remoteproc/qcom_wcnss_iris.c +++ b/drivers/remoteproc/qcom_wcnss_iris.c @@ -160,6 +160,7 @@ static int qcom_iris_remove(struct platform_device *pdev) static const struct of_device_id iris_of_match[] = { { .compatible = "qcom,wcn3620", .data = &wcn3620_data }, { .compatible = "qcom,wcn3660", .data = &wcn3660_data }, + { .compatible = "qcom,wcn3660b", .data = &wcn3680_data }, { .compatible = "qcom,wcn3680", .data = &wcn3680_data }, {} }; diff --git a/drivers/remoteproc/remoteproc_cdev.c b/drivers/remoteproc/remoteproc_cdev.c index ff92ed2..4ad98b0 100644 --- a/drivers/remoteproc/remoteproc_cdev.c +++ b/drivers/remoteproc/remoteproc_cdev.c @@ -32,15 +32,22 @@ static ssize_t rproc_cdev_write(struct file *filp, const char __user *buf, size_ return -EFAULT; if (!strncmp(cmd, "start", len)) { - if (rproc->state == RPROC_RUNNING) + if (rproc->state == RPROC_RUNNING || + rproc->state == RPROC_ATTACHED) return -EBUSY; ret = rproc_boot(rproc); } else if (!strncmp(cmd, "stop", len)) { - if (rproc->state != RPROC_RUNNING) + if (rproc->state != RPROC_RUNNING && + rproc->state != RPROC_ATTACHED) return -EINVAL; rproc_shutdown(rproc); + } else if (!strncmp(cmd, "detach", len)) { + if (rproc->state != RPROC_ATTACHED) + return -EINVAL; + + ret = rproc_detach(rproc); } else { dev_err(&rproc->dev, "Unrecognized option\n"); ret = -EINVAL; @@ -79,11 +86,17 @@ static long rproc_device_ioctl(struct file *filp, unsigned int ioctl, unsigned l static int rproc_cdev_release(struct inode *inode, struct file *filp) { struct rproc *rproc = container_of(inode->i_cdev, struct rproc, cdev); + int ret = 0; - if (rproc->cdev_put_on_release && rproc->state == RPROC_RUNNING) + if (!rproc->cdev_put_on_release) + return 0; + + if (rproc->state == RPROC_RUNNING) rproc_shutdown(rproc); + else if (rproc->state == RPROC_ATTACHED) + ret = rproc_detach(rproc); - return 0; + return ret; } static const struct file_operations rproc_fops = { diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index c748ea7..e4245d6 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -189,13 +189,13 @@ EXPORT_SYMBOL(rproc_va_to_pa); * here the output of the DMA API for the carveouts, which should be more * correct. */ -void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct rproc_mem_entry *carveout; void *ptr = NULL; if (rproc->ops->da_to_va) { - ptr = rproc->ops->da_to_va(rproc, da, len); + ptr = rproc->ops->da_to_va(rproc, da, len, is_iomem); if (ptr) goto out; } @@ -217,6 +217,9 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) ptr = carveout->va + offset; + if (is_iomem) + *is_iomem = carveout->is_iomem; + break; } @@ -482,7 +485,7 @@ static int copy_dma_range_map(struct device *to, struct device *from) /** * rproc_handle_vdev() - handle a vdev fw resource * @rproc: the remote processor - * @rsc: the vring resource descriptor + * @ptr: the vring resource descriptor * @offset: offset of the resource entry * @avail: size of available data (for sanity checking the image) * @@ -507,9 +510,10 @@ static int copy_dma_range_map(struct device *to, struct device *from) * * Returns 0 on success, or an appropriate error code otherwise */ -static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc, +static int rproc_handle_vdev(struct rproc *rproc, void *ptr, int offset, int avail) { + struct fw_rsc_vdev *rsc = ptr; struct device *dev = &rproc->dev; struct rproc_vdev *rvdev; int i, ret; @@ -627,7 +631,7 @@ void rproc_vdev_release(struct kref *ref) /** * rproc_handle_trace() - handle a shared trace buffer resource * @rproc: the remote processor - * @rsc: the trace resource descriptor + * @ptr: the trace resource descriptor * @offset: offset of the resource entry * @avail: size of available data (for sanity checking the image) * @@ -641,9 +645,10 @@ void rproc_vdev_release(struct kref *ref) * * Returns 0 on success, or an appropriate error code otherwise */ -static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc, +static int rproc_handle_trace(struct rproc *rproc, void *ptr, int offset, int avail) { + struct fw_rsc_trace *rsc = ptr; struct rproc_debug_trace *trace; struct device *dev = &rproc->dev; char name[15]; @@ -693,7 +698,7 @@ static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc, /** * rproc_handle_devmem() - handle devmem resource entry * @rproc: remote processor handle - * @rsc: the devmem resource entry + * @ptr: the devmem resource entry * @offset: offset of the resource entry * @avail: size of available data (for sanity checking the image) * @@ -716,9 +721,10 @@ static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc, * and not allow firmwares to request access to physical addresses that * are outside those ranges. */ -static int rproc_handle_devmem(struct rproc *rproc, struct fw_rsc_devmem *rsc, +static int rproc_handle_devmem(struct rproc *rproc, void *ptr, int offset, int avail) { + struct fw_rsc_devmem *rsc = ptr; struct rproc_mem_entry *mapping; struct device *dev = &rproc->dev; int ret; @@ -896,7 +902,7 @@ static int rproc_release_carveout(struct rproc *rproc, /** * rproc_handle_carveout() - handle phys contig memory allocation requests * @rproc: rproc handle - * @rsc: the resource entry + * @ptr: the resource entry * @offset: offset of the resource entry * @avail: size of available data (for image validation) * @@ -913,9 +919,9 @@ static int rproc_release_carveout(struct rproc *rproc, * pressure is important; it may have a substantial impact on performance. */ static int rproc_handle_carveout(struct rproc *rproc, - struct fw_rsc_carveout *rsc, - int offset, int avail) + void *ptr, int offset, int avail) { + struct fw_rsc_carveout *rsc = ptr; struct rproc_mem_entry *carveout; struct device *dev = &rproc->dev; @@ -1097,10 +1103,10 @@ EXPORT_SYMBOL(rproc_of_parse_firmware); * enum fw_resource_type. */ static rproc_handle_resource_t rproc_loading_handlers[RSC_LAST] = { - [RSC_CARVEOUT] = (rproc_handle_resource_t)rproc_handle_carveout, - [RSC_DEVMEM] = (rproc_handle_resource_t)rproc_handle_devmem, - [RSC_TRACE] = (rproc_handle_resource_t)rproc_handle_trace, - [RSC_VDEV] = (rproc_handle_resource_t)rproc_handle_vdev, + [RSC_CARVEOUT] = rproc_handle_carveout, + [RSC_DEVMEM] = rproc_handle_devmem, + [RSC_TRACE] = rproc_handle_trace, + [RSC_VDEV] = rproc_handle_vdev, }; /* handle firmware resource entries before booting the remote processor */ @@ -1416,7 +1422,7 @@ reset_table_ptr: return ret; } -static int rproc_attach(struct rproc *rproc) +static int __rproc_attach(struct rproc *rproc) { struct device *dev = &rproc->dev; int ret; @@ -1444,7 +1450,7 @@ static int rproc_attach(struct rproc *rproc) goto stop_rproc; } - rproc->state = RPROC_RUNNING; + rproc->state = RPROC_ATTACHED; dev_info(dev, "remote processor %s is now attached\n", rproc->name); @@ -1537,11 +1543,149 @@ disable_iommu: return ret; } +static int rproc_set_rsc_table(struct rproc *rproc) +{ + struct resource_table *table_ptr; + struct device *dev = &rproc->dev; + size_t table_sz; + int ret; + + table_ptr = rproc_get_loaded_rsc_table(rproc, &table_sz); + if (!table_ptr) { + /* Not having a resource table is acceptable */ + return 0; + } + + if (IS_ERR(table_ptr)) { + ret = PTR_ERR(table_ptr); + dev_err(dev, "can't load resource table: %d\n", ret); + return ret; + } + + /* + * If it is possible to detach the remote processor, keep an untouched + * copy of the resource table. That way we can start fresh again when + * the remote processor is re-attached, that is: + * + * DETACHED -> ATTACHED -> DETACHED -> ATTACHED + * + * Free'd in rproc_reset_rsc_table_on_detach() and + * rproc_reset_rsc_table_on_stop(). + */ + if (rproc->ops->detach) { + rproc->clean_table = kmemdup(table_ptr, table_sz, GFP_KERNEL); + if (!rproc->clean_table) + return -ENOMEM; + } else { + rproc->clean_table = NULL; + } + + rproc->cached_table = NULL; + rproc->table_ptr = table_ptr; + rproc->table_sz = table_sz; + + return 0; +} + +static int rproc_reset_rsc_table_on_detach(struct rproc *rproc) +{ + struct resource_table *table_ptr; + + /* A resource table was never retrieved, nothing to do here */ + if (!rproc->table_ptr) + return 0; + + /* + * If we made it to this point a clean_table _must_ have been + * allocated in rproc_set_rsc_table(). If one isn't present + * something went really wrong and we must complain. + */ + if (WARN_ON(!rproc->clean_table)) + return -EINVAL; + + /* Remember where the external entity installed the resource table */ + table_ptr = rproc->table_ptr; + + /* + * If we made it here the remote processor was started by another + * entity and a cache table doesn't exist. As such make a copy of + * the resource table currently used by the remote processor and + * use that for the rest of the shutdown process. The memory + * allocated here is free'd in rproc_detach(). + */ + rproc->cached_table = kmemdup(rproc->table_ptr, + rproc->table_sz, GFP_KERNEL); + if (!rproc->cached_table) + return -ENOMEM; + + /* + * Use a copy of the resource table for the remainder of the + * shutdown process. + */ + rproc->table_ptr = rproc->cached_table; + + /* + * Reset the memory area where the firmware loaded the resource table + * to its original value. That way when we re-attach the remote + * processor the resource table is clean and ready to be used again. + */ + memcpy(table_ptr, rproc->clean_table, rproc->table_sz); + + /* + * The clean resource table is no longer needed. Allocated in + * rproc_set_rsc_table(). + */ + kfree(rproc->clean_table); + + return 0; +} + +static int rproc_reset_rsc_table_on_stop(struct rproc *rproc) +{ + /* A resource table was never retrieved, nothing to do here */ + if (!rproc->table_ptr) + return 0; + + /* + * If a cache table exists the remote processor was started by + * the remoteproc core. That cache table should be used for + * the rest of the shutdown process. + */ + if (rproc->cached_table) + goto out; + + /* + * If we made it here the remote processor was started by another + * entity and a cache table doesn't exist. As such make a copy of + * the resource table currently used by the remote processor and + * use that for the rest of the shutdown process. The memory + * allocated here is free'd in rproc_shutdown(). + */ + rproc->cached_table = kmemdup(rproc->table_ptr, + rproc->table_sz, GFP_KERNEL); + if (!rproc->cached_table) + return -ENOMEM; + + /* + * Since the remote processor is being switched off the clean table + * won't be needed. Allocated in rproc_set_rsc_table(). + */ + kfree(rproc->clean_table); + +out: + /* + * Use a copy of the resource table for the remainder of the + * shutdown process. + */ + rproc->table_ptr = rproc->cached_table; + return 0; +} + /* * Attach to remote processor - similar to rproc_fw_boot() but without * the steps that deal with the firmware image. */ -static int rproc_actuate(struct rproc *rproc) +static int rproc_attach(struct rproc *rproc) { struct device *dev = &rproc->dev; int ret; @@ -1556,6 +1700,19 @@ static int rproc_actuate(struct rproc *rproc) return ret; } + /* Do anything that is needed to boot the remote processor */ + ret = rproc_prepare_device(rproc); + if (ret) { + dev_err(dev, "can't prepare rproc %s: %d\n", rproc->name, ret); + goto disable_iommu; + } + + ret = rproc_set_rsc_table(rproc); + if (ret) { + dev_err(dev, "can't load resource table: %d\n", ret); + goto unprepare_device; + } + /* reset max_notifyid */ rproc->max_notifyid = -1; @@ -1570,7 +1727,7 @@ static int rproc_actuate(struct rproc *rproc) ret = rproc_handle_resources(rproc, rproc_loading_handlers); if (ret) { dev_err(dev, "Failed to process resources: %d\n", ret); - goto disable_iommu; + goto unprepare_device; } /* Allocate carveout resources associated to rproc */ @@ -1581,7 +1738,7 @@ static int rproc_actuate(struct rproc *rproc) goto clean_up_resources; } - ret = rproc_attach(rproc); + ret = __rproc_attach(rproc); if (ret) goto clean_up_resources; @@ -1589,6 +1746,9 @@ static int rproc_actuate(struct rproc *rproc) clean_up_resources: rproc_resource_cleanup(rproc); +unprepare_device: + /* release HW resources if needed */ + rproc_unprepare_device(rproc); disable_iommu: rproc_disable_iommu(rproc); return ret; @@ -1642,11 +1802,20 @@ static int rproc_stop(struct rproc *rproc, bool crashed) struct device *dev = &rproc->dev; int ret; + /* No need to continue if a stop() operation has not been provided */ + if (!rproc->ops->stop) + return -EINVAL; + /* Stop any subdevices for the remote processor */ rproc_stop_subdevices(rproc, crashed); /* the installed resource table is no longer accessible */ - rproc->table_ptr = rproc->cached_table; + ret = rproc_reset_rsc_table_on_stop(rproc); + if (ret) { + dev_err(dev, "can't reset resource table: %d\n", ret); + return ret; + } + /* power off the remote processor */ ret = rproc->ops->stop(rproc); @@ -1659,19 +1828,48 @@ static int rproc_stop(struct rproc *rproc, bool crashed) rproc->state = RPROC_OFFLINE; - /* - * The remote processor has been stopped and is now offline, which means - * that the next time it is brought back online the remoteproc core will - * be responsible to load its firmware. As such it is no longer - * autonomous. - */ - rproc->autonomous = false; - dev_info(dev, "stopped remote processor %s\n", rproc->name); return 0; } +/* + * __rproc_detach(): Does the opposite of __rproc_attach() + */ +static int __rproc_detach(struct rproc *rproc) +{ + struct device *dev = &rproc->dev; + int ret; + + /* No need to continue if a detach() operation has not been provided */ + if (!rproc->ops->detach) + return -EINVAL; + + /* Stop any subdevices for the remote processor */ + rproc_stop_subdevices(rproc, false); + + /* the installed resource table is no longer accessible */ + ret = rproc_reset_rsc_table_on_detach(rproc); + if (ret) { + dev_err(dev, "can't reset resource table: %d\n", ret); + return ret; + } + + /* Tell the remote processor the core isn't available anymore */ + ret = rproc->ops->detach(rproc); + if (ret) { + dev_err(dev, "can't detach from rproc: %d\n", ret); + return ret; + } + + rproc_unprepare_subdevices(rproc); + + rproc->state = RPROC_DETACHED; + + dev_info(dev, "detached remote processor %s\n", rproc->name); + + return 0; +} /** * rproc_trigger_recovery() - recover a remoteproc @@ -1704,7 +1902,7 @@ int rproc_trigger_recovery(struct rproc *rproc) goto unlock_mutex; /* generate coredump */ - rproc_coredump(rproc); + rproc->ops->coredump(rproc); /* load firmware */ ret = maybe_reject_firmware(&firmware_p, rproc->firmware, dev); @@ -1802,7 +2000,7 @@ int rproc_boot(struct rproc *rproc) if (rproc->state == RPROC_DETACHED) { dev_info(dev, "attaching to %s\n", rproc->name); - ret = rproc_actuate(rproc); + ret = rproc_attach(rproc); } else { dev_info(dev, "powering up %s\n", rproc->name); @@ -1884,6 +2082,65 @@ out: } EXPORT_SYMBOL(rproc_shutdown); +/** + * rproc_detach() - Detach the remote processor from the + * remoteproc core + * + * @rproc: the remote processor + * + * Detach a remote processor (previously attached to with rproc_attach()). + * + * In case @rproc is still being used by an additional user(s), then + * this function will just decrement the power refcount and exit, + * without disconnecting the device. + * + * Function rproc_detach() calls __rproc_detach() in order to let a remote + * processor know that services provided by the application processor are + * no longer available. From there it should be possible to remove the + * platform driver and even power cycle the application processor (if the HW + * supports it) without needing to switch off the remote processor. + */ +int rproc_detach(struct rproc *rproc) +{ + struct device *dev = &rproc->dev; + int ret; + + ret = mutex_lock_interruptible(&rproc->lock); + if (ret) { + dev_err(dev, "can't lock rproc %s: %d\n", rproc->name, ret); + return ret; + } + + /* if the remote proc is still needed, bail out */ + if (!atomic_dec_and_test(&rproc->power)) { + ret = 0; + goto out; + } + + ret = __rproc_detach(rproc); + if (ret) { + atomic_inc(&rproc->power); + goto out; + } + + /* clean up all acquired resources */ + rproc_resource_cleanup(rproc); + + /* release HW resources if needed */ + rproc_unprepare_device(rproc); + + rproc_disable_iommu(rproc); + + /* Free the copy of the resource table */ + kfree(rproc->cached_table); + rproc->cached_table = NULL; + rproc->table_ptr = NULL; +out: + mutex_unlock(&rproc->lock); + return ret; +} +EXPORT_SYMBOL(rproc_detach); + /** * rproc_get_by_phandle() - find a remote processor by phandle * @phandle: phandle to the rproc @@ -1934,6 +2191,69 @@ struct rproc *rproc_get_by_phandle(phandle phandle) #endif EXPORT_SYMBOL(rproc_get_by_phandle); +/** + * rproc_set_firmware() - assign a new firmware + * @rproc: rproc handle to which the new firmware is being assigned + * @fw_name: new firmware name to be assigned + * + * This function allows remoteproc drivers or clients to configure a custom + * firmware name that is different from the default name used during remoteproc + * registration. The function does not trigger a remote processor boot, + * only sets the firmware name used for a subsequent boot. This function + * should also be called only when the remote processor is offline. + * + * This allows either the userspace to configure a different name through + * sysfs or a kernel-level remoteproc or a remoteproc client driver to set + * a specific firmware when it is controlling the boot and shutdown of the + * remote processor. + * + * Return: 0 on success or a negative value upon failure + */ +int rproc_set_firmware(struct rproc *rproc, const char *fw_name) +{ + struct device *dev; + int ret, len; + char *p; + + if (!rproc || !fw_name) + return -EINVAL; + + dev = rproc->dev.parent; + + ret = mutex_lock_interruptible(&rproc->lock); + if (ret) { + dev_err(dev, "can't lock rproc %s: %d\n", rproc->name, ret); + return -EINVAL; + } + + if (rproc->state != RPROC_OFFLINE) { + dev_err(dev, "can't change firmware while running\n"); + ret = -EBUSY; + goto out; + } + + len = strcspn(fw_name, "\n"); + if (!len) { + dev_err(dev, "can't provide empty string for firmware name\n"); + ret = -EINVAL; + goto out; + } + + p = kstrndup(fw_name, len, GFP_KERNEL); + if (!p) { + ret = -ENOMEM; + goto out; + } + + kfree_const(rproc->firmware); + rproc->firmware = p; + +out: + mutex_unlock(&rproc->lock); + return ret; +} +EXPORT_SYMBOL(rproc_set_firmware); + static int rproc_validate(struct rproc *rproc) { switch (rproc->state) { @@ -2014,16 +2334,6 @@ int rproc_add(struct rproc *rproc) if (ret < 0) return ret; - /* - * Remind ourselves the remote processor has been attached to rather - * than booted by the remoteproc core. This is important because the - * RPROC_DETACHED state will be lost as soon as the remote processor - * has been attached to. Used in firmware_show() and reset in - * rproc_stop(). - */ - if (rproc->state == RPROC_DETACHED) - rproc->autonomous = true; - /* if rproc is marked always-on, request it to boot */ if (rproc->auto_boot) { ret = rproc_trigger_auto_boot(rproc); @@ -2126,6 +2436,10 @@ static int rproc_alloc_ops(struct rproc *rproc, const struct rproc_ops *ops) if (!rproc->ops) return -ENOMEM; + /* Default to rproc_coredump if no coredump function is specified */ + if (!rproc->ops->coredump) + rproc->ops->coredump = rproc_coredump; + if (rproc->ops->load) return 0; @@ -2280,10 +2594,8 @@ int rproc_del(struct rproc *rproc) if (!rproc) return -EINVAL; - /* if rproc is marked always-on, rproc_add() booted it */ /* TODO: make sure this works with rproc->power > 1 */ - if (rproc->auto_boot) - rproc_shutdown(rproc); + rproc_shutdown(rproc); mutex_lock(&rproc->lock); rproc->state = RPROC_DELETED; @@ -2425,7 +2737,11 @@ static int rproc_panic_handler(struct notifier_block *nb, unsigned long event, rcu_read_lock(); list_for_each_entry_rcu(rproc, &rproc_list, node) { - if (!rproc->ops->panic || rproc->state != RPROC_RUNNING) + if (!rproc->ops->panic) + continue; + + if (rproc->state != RPROC_RUNNING && + rproc->state != RPROC_ATTACHED) continue; d = rproc->ops->panic(rproc); diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c index 34530dc..aee657c 100644 --- a/drivers/remoteproc/remoteproc_coredump.c +++ b/drivers/remoteproc/remoteproc_coredump.c @@ -153,18 +153,22 @@ static void rproc_copy_segment(struct rproc *rproc, void *dest, size_t offset, size_t size) { void *ptr; + bool is_iomem; if (segment->dump) { segment->dump(rproc, segment, dest, offset, size); } else { - ptr = rproc_da_to_va(rproc, segment->da + offset, size); + ptr = rproc_da_to_va(rproc, segment->da + offset, size, &is_iomem); if (!ptr) { dev_err(&rproc->dev, "invalid copy request for segment %pad with offset %zu and size %zu)\n", &segment->da, offset, size); memset(dest, 0xff, size); } else { - memcpy(dest, ptr, size); + if (is_iomem) + memcpy_fromio(dest, ptr, size); + else + memcpy(dest, ptr, size); } } } @@ -323,3 +327,143 @@ void rproc_coredump(struct rproc *rproc) */ wait_for_completion(&dump_state.dump_done); } + +/** + * rproc_coredump_using_sections() - perform coredump using section headers + * @rproc: rproc handle + * + * This function will generate an ELF header for the registered sections of + * segments and create a devcoredump device associated with rproc. Based on + * the coredump configuration this function will directly copy the segments + * from device memory to userspace or copy segments from device memory to + * a separate buffer, which can then be read by userspace. + * The first approach avoids using extra vmalloc memory. But it will stall + * recovery flow until dump is read by userspace. + */ +void rproc_coredump_using_sections(struct rproc *rproc) +{ + struct rproc_dump_segment *segment; + void *shdr; + void *ehdr; + size_t data_size; + size_t strtbl_size = 0; + size_t strtbl_index = 1; + size_t offset; + void *data; + u8 class = rproc->elf_class; + int shnum; + struct rproc_coredump_state dump_state; + unsigned int dump_conf = rproc->dump_conf; + char *str_tbl = "STR_TBL"; + + if (list_empty(&rproc->dump_segments) || + dump_conf == RPROC_COREDUMP_DISABLED) + return; + + if (class == ELFCLASSNONE) { + dev_err(&rproc->dev, "Elf class is not set\n"); + return; + } + + /* + * We allocate two extra section headers. The first one is null. + * Second section header is for the string table. Also space is + * allocated for string table. + */ + data_size = elf_size_of_hdr(class) + 2 * elf_size_of_shdr(class); + shnum = 2; + + /* the extra byte is for the null character at index 0 */ + strtbl_size += strlen(str_tbl) + 2; + + list_for_each_entry(segment, &rproc->dump_segments, node) { + data_size += elf_size_of_shdr(class); + strtbl_size += strlen(segment->priv) + 1; + if (dump_conf == RPROC_COREDUMP_ENABLED) + data_size += segment->size; + shnum++; + } + + data_size += strtbl_size; + + data = vmalloc(data_size); + if (!data) + return; + + ehdr = data; + memset(ehdr, 0, elf_size_of_hdr(class)); + /* e_ident field is common for both elf32 and elf64 */ + elf_hdr_init_ident(ehdr, class); + + elf_hdr_set_e_type(class, ehdr, ET_CORE); + elf_hdr_set_e_machine(class, ehdr, rproc->elf_machine); + elf_hdr_set_e_version(class, ehdr, EV_CURRENT); + elf_hdr_set_e_entry(class, ehdr, rproc->bootaddr); + elf_hdr_set_e_shoff(class, ehdr, elf_size_of_hdr(class)); + elf_hdr_set_e_ehsize(class, ehdr, elf_size_of_hdr(class)); + elf_hdr_set_e_shentsize(class, ehdr, elf_size_of_shdr(class)); + elf_hdr_set_e_shnum(class, ehdr, shnum); + elf_hdr_set_e_shstrndx(class, ehdr, 1); + + /* + * The zeroth index of the section header is reserved and is rarely used. + * Set the section header as null (SHN_UNDEF) and move to the next one. + */ + shdr = data + elf_hdr_get_e_shoff(class, ehdr); + memset(shdr, 0, elf_size_of_shdr(class)); + shdr += elf_size_of_shdr(class); + + /* Initialize the string table. */ + offset = elf_hdr_get_e_shoff(class, ehdr) + + elf_size_of_shdr(class) * elf_hdr_get_e_shnum(class, ehdr); + memset(data + offset, 0, strtbl_size); + + /* Fill in the string table section header. */ + memset(shdr, 0, elf_size_of_shdr(class)); + elf_shdr_set_sh_type(class, shdr, SHT_STRTAB); + elf_shdr_set_sh_offset(class, shdr, offset); + elf_shdr_set_sh_size(class, shdr, strtbl_size); + elf_shdr_set_sh_entsize(class, shdr, 0); + elf_shdr_set_sh_flags(class, shdr, 0); + elf_shdr_set_sh_name(class, shdr, elf_strtbl_add(str_tbl, ehdr, class, &strtbl_index)); + offset += elf_shdr_get_sh_size(class, shdr); + shdr += elf_size_of_shdr(class); + + list_for_each_entry(segment, &rproc->dump_segments, node) { + memset(shdr, 0, elf_size_of_shdr(class)); + elf_shdr_set_sh_type(class, shdr, SHT_PROGBITS); + elf_shdr_set_sh_offset(class, shdr, offset); + elf_shdr_set_sh_addr(class, shdr, segment->da); + elf_shdr_set_sh_size(class, shdr, segment->size); + elf_shdr_set_sh_entsize(class, shdr, 0); + elf_shdr_set_sh_flags(class, shdr, SHF_WRITE); + elf_shdr_set_sh_name(class, shdr, + elf_strtbl_add(segment->priv, ehdr, class, &strtbl_index)); + + /* No need to copy segments for inline dumps */ + if (dump_conf == RPROC_COREDUMP_ENABLED) + rproc_copy_segment(rproc, data + offset, segment, 0, + segment->size); + offset += elf_shdr_get_sh_size(class, shdr); + shdr += elf_size_of_shdr(class); + } + + if (dump_conf == RPROC_COREDUMP_ENABLED) { + dev_coredumpv(&rproc->dev, data, data_size, GFP_KERNEL); + return; + } + + /* Initialize the dump state struct to be used by rproc_coredump_read */ + dump_state.rproc = rproc; + dump_state.header = data; + init_completion(&dump_state.dump_done); + + dev_coredumpm(&rproc->dev, NULL, &dump_state, data_size, GFP_KERNEL, + rproc_coredump_read, rproc_coredump_free); + + /* Wait until the dump is read and free is called. Data is freed + * by devcoredump framework automatically after 5 minutes. + */ + wait_for_completion(&dump_state.dump_done); +} +EXPORT_SYMBOL(rproc_coredump_using_sections); diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index 7e58453..b5a1e3b 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -132,7 +132,7 @@ static ssize_t rproc_trace_read(struct file *filp, char __user *userbuf, char buf[100]; int len; - va = rproc_da_to_va(data->rproc, trace->da, trace->len); + va = rproc_da_to_va(data->rproc, trace->da, trace->len, NULL); if (!va) { len = scnprintf(buf, sizeof(buf), "Trace %s not available\n", diff --git a/drivers/remoteproc/remoteproc_elf_helpers.h b/drivers/remoteproc/remoteproc_elf_helpers.h index 4b6be7b..26404e6 100644 --- a/drivers/remoteproc/remoteproc_elf_helpers.h +++ b/drivers/remoteproc/remoteproc_elf_helpers.h @@ -65,6 +65,7 @@ ELF_GEN_FIELD_GET_SET(hdr, e_type, u16) ELF_GEN_FIELD_GET_SET(hdr, e_version, u32) ELF_GEN_FIELD_GET_SET(hdr, e_ehsize, u32) ELF_GEN_FIELD_GET_SET(hdr, e_phentsize, u16) +ELF_GEN_FIELD_GET_SET(hdr, e_shentsize, u16) ELF_GEN_FIELD_GET_SET(phdr, p_paddr, u64) ELF_GEN_FIELD_GET_SET(phdr, p_vaddr, u64) @@ -75,6 +76,9 @@ ELF_GEN_FIELD_GET_SET(phdr, p_offset, u64) ELF_GEN_FIELD_GET_SET(phdr, p_flags, u32) ELF_GEN_FIELD_GET_SET(phdr, p_align, u64) +ELF_GEN_FIELD_GET_SET(shdr, sh_type, u32) +ELF_GEN_FIELD_GET_SET(shdr, sh_flags, u32) +ELF_GEN_FIELD_GET_SET(shdr, sh_entsize, u16) ELF_GEN_FIELD_GET_SET(shdr, sh_size, u64) ELF_GEN_FIELD_GET_SET(shdr, sh_offset, u64) ELF_GEN_FIELD_GET_SET(shdr, sh_name, u32) @@ -93,4 +97,26 @@ ELF_STRUCT_SIZE(shdr) ELF_STRUCT_SIZE(phdr) ELF_STRUCT_SIZE(hdr) +static inline unsigned int elf_strtbl_add(const char *name, void *ehdr, u8 class, size_t *index) +{ + u16 shstrndx = elf_hdr_get_e_shstrndx(class, ehdr); + void *shdr; + char *strtab; + size_t idx, ret; + + shdr = ehdr + elf_size_of_hdr(class) + shstrndx * elf_size_of_shdr(class); + strtab = ehdr + elf_shdr_get_sh_offset(class, shdr); + idx = index ? *index : 0; + if (!strtab || !name) + return 0; + + ret = idx; + strcpy((strtab + idx), name); + idx += strlen(name) + 1; + if (index) + *index = idx; + + return ret; +} + #endif /* REMOTEPROC_ELF_LOADER_H */ diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c index df68d87..1142358 100644 --- a/drivers/remoteproc/remoteproc_elf_loader.c +++ b/drivers/remoteproc/remoteproc_elf_loader.c @@ -175,6 +175,7 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw) u64 offset = elf_phdr_get_p_offset(class, phdr); u32 type = elf_phdr_get_p_type(class, phdr); void *ptr; + bool is_iomem; if (type != PT_LOAD) continue; @@ -204,7 +205,7 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw) } /* grab the kernel address for this device address */ - ptr = rproc_da_to_va(rproc, da, memsz); + ptr = rproc_da_to_va(rproc, da, memsz, &is_iomem); if (!ptr) { dev_err(dev, "bad phdr da 0x%llx mem 0x%llx\n", da, memsz); @@ -213,8 +214,12 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw) } /* put the segment where the remote processor expects it */ - if (filesz) - memcpy(ptr, elf_data + offset, filesz); + if (filesz) { + if (is_iomem) + memcpy_fromio(ptr, (void __iomem *)(elf_data + offset), filesz); + else + memcpy(ptr, elf_data + offset, filesz); + } /* * Zero out remaining memory for this segment. @@ -223,8 +228,12 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw) * did this for us. albeit harmless, we may consider removing * this. */ - if (memsz > filesz) - memset(ptr + filesz, 0, memsz - filesz); + if (memsz > filesz) { + if (is_iomem) + memset_io((void __iomem *)(ptr + filesz), 0, memsz - filesz); + else + memset(ptr + filesz, 0, memsz - filesz); + } } return ret; @@ -377,6 +386,6 @@ struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc, return NULL; } - return rproc_da_to_va(rproc, sh_addr, sh_size); + return rproc_da_to_va(rproc, sh_addr, sh_size, NULL); } EXPORT_SYMBOL(rproc_elf_find_loaded_rsc_table); diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h index c340028..a328e63 100644 --- a/drivers/remoteproc/remoteproc_internal.h +++ b/drivers/remoteproc/remoteproc_internal.h @@ -84,7 +84,7 @@ static inline void rproc_char_device_remove(struct rproc *rproc) void rproc_free_vring(struct rproc_vring *rvring); int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); -void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len); +void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem); phys_addr_t rproc_va_to_pa(void *cpu_addr); int rproc_trigger_recovery(struct rproc *rproc); @@ -177,6 +177,16 @@ struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc, return NULL; } +static inline +struct resource_table *rproc_get_loaded_rsc_table(struct rproc *rproc, + size_t *size) +{ + if (rproc->ops->get_loaded_rsc_table) + return rproc->ops->get_loaded_rsc_table(rproc, size); + + return NULL; +} + static inline bool rproc_u64_fit_in_size_t(u64 val) { diff --git a/drivers/remoteproc/remoteproc_sysfs.c b/drivers/remoteproc/remoteproc_sysfs.c index d1cf7bf..ea8b89f 100644 --- a/drivers/remoteproc/remoteproc_sysfs.c +++ b/drivers/remoteproc/remoteproc_sysfs.c @@ -15,7 +15,7 @@ static ssize_t recovery_show(struct device *dev, { struct rproc *rproc = to_rproc(dev); - return sprintf(buf, "%s", rproc->recovery_disabled ? "disabled\n" : "enabled\n"); + return sysfs_emit(buf, "%s", rproc->recovery_disabled ? "disabled\n" : "enabled\n"); } /* @@ -82,7 +82,7 @@ static ssize_t coredump_show(struct device *dev, { struct rproc *rproc = to_rproc(dev); - return sprintf(buf, "%s\n", rproc_coredump_str[rproc->dump_conf]); + return sysfs_emit(buf, "%s\n", rproc_coredump_str[rproc->dump_conf]); } /* @@ -138,11 +138,8 @@ static ssize_t firmware_show(struct device *dev, struct device_attribute *attr, * If the remote processor has been started by an external * entity we have no idea of what image it is running. As such * simply display a generic string rather then rproc->firmware. - * - * Here we rely on the autonomous flag because a remote processor - * may have been attached to and currently in a running state. */ - if (rproc->autonomous) + if (rproc->state == RPROC_ATTACHED) firmware = "unknown"; return sprintf(buf, "%s\n", firmware); @@ -154,38 +151,9 @@ static ssize_t firmware_store(struct device *dev, const char *buf, size_t count) { struct rproc *rproc = to_rproc(dev); - char *p; - int err, len = count; + int err; - err = mutex_lock_interruptible(&rproc->lock); - if (err) { - dev_err(dev, "can't lock rproc %s: %d\n", rproc->name, err); - return -EINVAL; - } - - if (rproc->state != RPROC_OFFLINE) { - dev_err(dev, "can't change firmware while running\n"); - err = -EBUSY; - goto out; - } - - len = strcspn(buf, "\n"); - if (!len) { - dev_err(dev, "can't provide a NULL firmware\n"); - err = -EINVAL; - goto out; - } - - p = kstrndup(buf, len, GFP_KERNEL); - if (!p) { - err = -ENOMEM; - goto out; - } - - kfree(rproc->firmware); - rproc->firmware = p; -out: - mutex_unlock(&rproc->lock); + err = rproc_set_firmware(rproc, buf); return err ? err : count; } @@ -201,6 +169,7 @@ static const char * const rproc_state_string[] = { [RPROC_RUNNING] = "running", [RPROC_CRASHED] = "crashed", [RPROC_DELETED] = "deleted", + [RPROC_ATTACHED] = "attached", [RPROC_DETACHED] = "detached", [RPROC_LAST] = "invalid", }; @@ -225,17 +194,24 @@ static ssize_t state_store(struct device *dev, int ret = 0; if (sysfs_streq(buf, "start")) { - if (rproc->state == RPROC_RUNNING) + if (rproc->state == RPROC_RUNNING || + rproc->state == RPROC_ATTACHED) return -EBUSY; ret = rproc_boot(rproc); if (ret) dev_err(&rproc->dev, "Boot failed: %d\n", ret); } else if (sysfs_streq(buf, "stop")) { - if (rproc->state != RPROC_RUNNING) + if (rproc->state != RPROC_RUNNING && + rproc->state != RPROC_ATTACHED) return -EINVAL; rproc_shutdown(rproc); + } else if (sysfs_streq(buf, "detach")) { + if (rproc->state != RPROC_ATTACHED) + return -EINVAL; + + ret = rproc_detach(rproc); } else { dev_err(&rproc->dev, "Unrecognised option: %s\n", buf); ret = -EINVAL; diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c index 09bcb4d..22096ad 100644 --- a/drivers/remoteproc/st_slim_rproc.c +++ b/drivers/remoteproc/st_slim_rproc.c @@ -174,7 +174,7 @@ static int slim_rproc_stop(struct rproc *rproc) return 0; } -static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct st_slim_rproc *slim_rproc = rproc->priv; void *va = NULL; diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index d2414cc..b643efc 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -28,7 +28,7 @@ #define RELEASE_BOOT 1 #define MBOX_NB_VQ 2 -#define MBOX_NB_MBX 3 +#define MBOX_NB_MBX 4 #define STM32_SMC_RCC 0x82001000 #define STM32_SMC_REG_WRITE 0x1 @@ -38,6 +38,7 @@ #define STM32_MBX_VQ1 "vq1" #define STM32_MBX_VQ1_ID 1 #define STM32_MBX_SHUTDOWN "shutdown" +#define STM32_MBX_DETACH "detach" #define RSC_TBL_SIZE 1024 @@ -207,16 +208,7 @@ static int stm32_rproc_mbox_idx(struct rproc *rproc, const unsigned char *name) return -EINVAL; } -static int stm32_rproc_elf_load_rsc_table(struct rproc *rproc, - const struct firmware *fw) -{ - if (rproc_elf_load_rsc_table(rproc, fw)) - dev_warn(&rproc->dev, "no resource table found for this firmware\n"); - - return 0; -} - -static int stm32_rproc_parse_memory_regions(struct rproc *rproc) +static int stm32_rproc_prepare(struct rproc *rproc) { struct device *dev = rproc->dev.parent; struct device_node *np = dev->of_node; @@ -274,12 +266,10 @@ static int stm32_rproc_parse_memory_regions(struct rproc *rproc) static int stm32_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) { - int ret = stm32_rproc_parse_memory_regions(rproc); - - if (ret) - return ret; + if (rproc_elf_load_rsc_table(rproc, fw)) + dev_warn(&rproc->dev, "no resource table found for this firmware\n"); - return stm32_rproc_elf_load_rsc_table(rproc, fw); + return 0; } static irqreturn_t stm32_rproc_wdg(int irq, void *data) @@ -347,6 +337,15 @@ static const struct stm32_mbox stm32_rproc_mbox[MBOX_NB_MBX] = { .tx_done = NULL, .tx_tout = 500, /* 500 ms time out */ }, + }, + { + .name = STM32_MBX_DETACH, + .vq_id = -1, + .client = { + .tx_block = true, + .tx_done = NULL, + .tx_tout = 200, /* 200 ms time out to detach should be fair enough */ + }, } }; @@ -370,8 +369,13 @@ static int stm32_rproc_request_mbox(struct rproc *rproc) ddata->mb[i].chan = mbox_request_channel_byname(cl, name); if (IS_ERR(ddata->mb[i].chan)) { - if (PTR_ERR(ddata->mb[i].chan) == -EPROBE_DEFER) + if (PTR_ERR(ddata->mb[i].chan) == -EPROBE_DEFER) { + dev_err_probe(dev->parent, + PTR_ERR(ddata->mb[i].chan), + "failed to request mailbox %s\n", + name); goto err_probe; + } dev_warn(dev, "cannot get %s mbox\n", name); ddata->mb[i].chan = NULL; } @@ -467,18 +471,33 @@ static int stm32_rproc_attach(struct rproc *rproc) return stm32_rproc_set_hold_boot(rproc, true); } +static int stm32_rproc_detach(struct rproc *rproc) +{ + struct stm32_rproc *ddata = rproc->priv; + int err, idx; + + /* Inform the remote processor of the detach */ + idx = stm32_rproc_mbox_idx(rproc, STM32_MBX_DETACH); + if (idx >= 0 && ddata->mb[idx].chan) { + err = mbox_send_message(ddata->mb[idx].chan, "stop"); + if (err < 0) + dev_warn(&rproc->dev, "warning: remote FW detach without ack\n"); + } + + /* Allow remote processor to auto-reboot */ + return stm32_rproc_set_hold_boot(rproc, false); +} + static int stm32_rproc_stop(struct rproc *rproc) { struct stm32_rproc *ddata = rproc->priv; - int err, dummy_data, idx; + int err, idx; /* request shutdown of the remote processor */ if (rproc->state != RPROC_OFFLINE) { idx = stm32_rproc_mbox_idx(rproc, STM32_MBX_SHUTDOWN); if (idx >= 0 && ddata->mb[idx].chan) { - /* a dummy data is sent to allow to block on transmit */ - err = mbox_send_message(ddata->mb[idx].chan, - &dummy_data); + err = mbox_send_message(ddata->mb[idx].chan, "detach"); if (err < 0) dev_warn(&rproc->dev, "warning: remote FW shutdown without ack\n"); } @@ -533,7 +552,7 @@ static void stm32_rproc_kick(struct rproc *rproc, int vqid) continue; if (!ddata->mb[i].chan) return; - err = mbox_send_message(ddata->mb[i].chan, (void *)(long)vqid); + err = mbox_send_message(ddata->mb[i].chan, "kick"); if (err < 0) dev_err(&rproc->dev, "%s: failed (%s, err:%d)\n", __func__, ddata->mb[i].name, err); @@ -541,14 +560,89 @@ static void stm32_rproc_kick(struct rproc *rproc, int vqid) } } -static struct rproc_ops st_rproc_ops = { +static int stm32_rproc_da_to_pa(struct rproc *rproc, + u64 da, phys_addr_t *pa) +{ + struct stm32_rproc *ddata = rproc->priv; + struct device *dev = rproc->dev.parent; + struct stm32_rproc_mem *p_mem; + unsigned int i; + + for (i = 0; i < ddata->nb_rmems; i++) { + p_mem = &ddata->rmems[i]; + + if (da < p_mem->dev_addr || + da >= p_mem->dev_addr + p_mem->size) + continue; + + *pa = da - p_mem->dev_addr + p_mem->bus_addr; + dev_dbg(dev, "da %llx to pa %pap\n", da, pa); + + return 0; + } + + dev_err(dev, "can't translate da %llx\n", da); + + return -EINVAL; +} + +static struct resource_table * +stm32_rproc_get_loaded_rsc_table(struct rproc *rproc, size_t *table_sz) +{ + struct stm32_rproc *ddata = rproc->priv; + struct device *dev = rproc->dev.parent; + phys_addr_t rsc_pa; + u32 rsc_da; + int err; + + /* The resource table has already been mapped, nothing to do */ + if (ddata->rsc_va) + goto done; + + err = regmap_read(ddata->rsctbl.map, ddata->rsctbl.reg, &rsc_da); + if (err) { + dev_err(dev, "failed to read rsc tbl addr\n"); + return ERR_PTR(-EINVAL); + } + + if (!rsc_da) + /* no rsc table */ + return ERR_PTR(-ENOENT); + + err = stm32_rproc_da_to_pa(rproc, rsc_da, &rsc_pa); + if (err) + return ERR_PTR(err); + + ddata->rsc_va = devm_ioremap_wc(dev, rsc_pa, RSC_TBL_SIZE); + if (IS_ERR_OR_NULL(ddata->rsc_va)) { + dev_err(dev, "Unable to map memory region: %pa+%zx\n", + &rsc_pa, RSC_TBL_SIZE); + ddata->rsc_va = NULL; + return ERR_PTR(-ENOMEM); + } + +done: + /* + * Assuming the resource table fits in 1kB is fair. + * Notice for the detach, that this 1 kB memory area has to be reserved in the coprocessor + * firmware for the resource table. On detach, the remoteproc core re-initializes this + * entire area by overwriting it with the initial values stored in rproc->clean_table. + */ + *table_sz = RSC_TBL_SIZE; + return (struct resource_table *)ddata->rsc_va; +} + +static const struct rproc_ops st_rproc_ops = { + .prepare = stm32_rproc_prepare, .start = stm32_rproc_start, .stop = stm32_rproc_stop, .attach = stm32_rproc_attach, + .detach = stm32_rproc_detach, .kick = stm32_rproc_kick, .load = rproc_elf_load_segments, .parse_fw = stm32_rproc_parse_fw, .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table, + .get_loaded_rsc_table = stm32_rproc_get_loaded_rsc_table, .sanity_check = rproc_elf_sanity_check, .get_boot_addr = rproc_elf_get_boot_addr, }; @@ -592,15 +686,14 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev, irq = platform_get_irq(pdev, 0); if (irq == -EPROBE_DEFER) - return -EPROBE_DEFER; + return dev_err_probe(dev, irq, "failed to get interrupt\n"); if (irq > 0) { err = devm_request_irq(dev, irq, stm32_rproc_wdg, 0, dev_name(dev), pdev); - if (err) { - dev_err(dev, "failed to request wdg irq\n"); - return err; - } + if (err) + return dev_err_probe(dev, err, + "failed to request wdg irq\n"); ddata->wdg_irq = irq; @@ -613,10 +706,9 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev, } ddata->rst = devm_reset_control_get_by_index(dev, 0); - if (IS_ERR(ddata->rst)) { - dev_err(dev, "failed to get mcu reset\n"); - return PTR_ERR(ddata->rst); - } + if (IS_ERR(ddata->rst)) + return dev_err_probe(dev, PTR_ERR(ddata->rst), + "failed to get mcu_reset\n"); /* * if platform is secured the hold boot bit must be written by @@ -692,75 +784,6 @@ static int stm32_rproc_get_m4_status(struct stm32_rproc *ddata, return regmap_read(ddata->m4_state.map, ddata->m4_state.reg, state); } -static int stm32_rproc_da_to_pa(struct platform_device *pdev, - struct stm32_rproc *ddata, - u64 da, phys_addr_t *pa) -{ - struct device *dev = &pdev->dev; - struct stm32_rproc_mem *p_mem; - unsigned int i; - - for (i = 0; i < ddata->nb_rmems; i++) { - p_mem = &ddata->rmems[i]; - - if (da < p_mem->dev_addr || - da >= p_mem->dev_addr + p_mem->size) - continue; - - *pa = da - p_mem->dev_addr + p_mem->bus_addr; - dev_dbg(dev, "da %llx to pa %#x\n", da, *pa); - - return 0; - } - - dev_err(dev, "can't translate da %llx\n", da); - - return -EINVAL; -} - -static int stm32_rproc_get_loaded_rsc_table(struct platform_device *pdev, - struct rproc *rproc, - struct stm32_rproc *ddata) -{ - struct device *dev = &pdev->dev; - phys_addr_t rsc_pa; - u32 rsc_da; - int err; - - err = regmap_read(ddata->rsctbl.map, ddata->rsctbl.reg, &rsc_da); - if (err) { - dev_err(dev, "failed to read rsc tbl addr\n"); - return err; - } - - if (!rsc_da) - /* no rsc table */ - return 0; - - err = stm32_rproc_da_to_pa(pdev, ddata, rsc_da, &rsc_pa); - if (err) - return err; - - ddata->rsc_va = devm_ioremap_wc(dev, rsc_pa, RSC_TBL_SIZE); - if (IS_ERR_OR_NULL(ddata->rsc_va)) { - dev_err(dev, "Unable to map memory region: %pa+%zx\n", - &rsc_pa, RSC_TBL_SIZE); - ddata->rsc_va = NULL; - return -ENOMEM; - } - - /* - * The resource table is already loaded in device memory, no need - * to work with a cached table. - */ - rproc->cached_table = NULL; - /* Assuming the resource table fits in 1kB is fair */ - rproc->table_sz = RSC_TBL_SIZE; - rproc->table_ptr = (struct resource_table *)ddata->rsc_va; - - return 0; -} - static int stm32_rproc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -794,18 +817,9 @@ static int stm32_rproc_probe(struct platform_device *pdev) if (ret) goto free_rproc; - if (state == M4_STATE_CRUN) { + if (state == M4_STATE_CRUN) rproc->state = RPROC_DETACHED; - ret = stm32_rproc_parse_memory_regions(rproc); - if (ret) - goto free_resources; - - ret = stm32_rproc_get_loaded_rsc_table(pdev, rproc, ddata); - if (ret) - goto free_resources; - } - rproc->has_iommu = false; ddata->workqueue = create_workqueue(dev_name(dev)); if (!ddata->workqueue) { diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c index 863c021..fd4eb67 100644 --- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c +++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c @@ -354,7 +354,7 @@ static int k3_dsp_rproc_stop(struct rproc *rproc) * can be used either by the remoteproc core for loading (when using kernel * remoteproc loader), or by any rpmsg bus drivers. */ -static void *k3_dsp_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *k3_dsp_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct k3_dsp_rproc *kproc = rproc->priv; void __iomem *va = NULL; diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c index afeb9d6..4104e48 100644 --- a/drivers/remoteproc/ti_k3_r5_remoteproc.c +++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c @@ -38,6 +38,8 @@ #define PROC_BOOT_CFG_FLAG_R5_TCM_RSTBASE 0x00000800 #define PROC_BOOT_CFG_FLAG_R5_BTCM_EN 0x00001000 #define PROC_BOOT_CFG_FLAG_R5_ATCM_EN 0x00002000 +/* Available from J7200 SoCs onwards */ +#define PROC_BOOT_CFG_FLAG_R5_MEM_INIT_DIS 0x00004000 /* R5 TI-SCI Processor Control Flags */ #define PROC_BOOT_CTRL_FLAG_R5_CORE_HALT 0x00000001 @@ -67,16 +69,28 @@ enum cluster_mode { CLUSTER_MODE_LOCKSTEP, }; +/** + * struct k3_r5_soc_data - match data to handle SoC variations + * @tcm_is_double: flag to denote the larger unified TCMs in certain modes + * @tcm_ecc_autoinit: flag to denote the auto-initialization of TCMs for ECC + */ +struct k3_r5_soc_data { + bool tcm_is_double; + bool tcm_ecc_autoinit; +}; + /** * struct k3_r5_cluster - K3 R5F Cluster structure * @dev: cached device pointer * @mode: Mode to configure the Cluster - Split or LockStep * @cores: list of R5 cores within the cluster + * @soc_data: SoC-specific feature data for a R5FSS */ struct k3_r5_cluster { struct device *dev; enum cluster_mode mode; struct list_head cores; + const struct k3_r5_soc_data *soc_data; }; /** @@ -362,8 +376,16 @@ static int k3_r5_rproc_prepare(struct rproc *rproc) struct k3_r5_cluster *cluster = kproc->cluster; struct k3_r5_core *core = kproc->core; struct device *dev = kproc->dev; + u32 ctrl = 0, cfg = 0, stat = 0; + u64 boot_vec = 0; + bool mem_init_dis; int ret; + ret = ti_sci_proc_get_status(core->tsp, &boot_vec, &cfg, &ctrl, &stat); + if (ret < 0) + return ret; + mem_init_dis = !!(cfg & PROC_BOOT_CFG_FLAG_R5_MEM_INIT_DIS); + ret = (cluster->mode == CLUSTER_MODE_LOCKSTEP) ? k3_r5_lockstep_release(cluster) : k3_r5_split_release(core); if (ret) { @@ -372,6 +394,17 @@ static int k3_r5_rproc_prepare(struct rproc *rproc) return ret; } + /* + * Newer IP revisions like on J7200 SoCs support h/w auto-initialization + * of TCMs, so there is no need to perform the s/w memzero. This bit is + * configurable through System Firmware, the default value does perform + * auto-init, but account for it in case it is disabled + */ + if (cluster->soc_data->tcm_ecc_autoinit && !mem_init_dis) { + dev_dbg(dev, "leveraging h/w init for TCM memories\n"); + return 0; + } + /* * Zero out both TCMs unconditionally (access from v8 Arm core is not * affected by ATCM & BTCM enable configuration values) so that ECC @@ -557,7 +590,7 @@ out: * present in a DSP or IPU device). The translated addresses can be used * either by the remoteproc core for loading, or by any rpmsg bus drivers. */ -static void *k3_r5_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *k3_r5_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct k3_r5_rproc *kproc = rproc->priv; struct k3_r5_core *core = kproc->core; @@ -855,6 +888,43 @@ static void k3_r5_reserved_mem_exit(struct k3_r5_rproc *kproc) of_reserved_mem_device_release(kproc->dev); } +/* + * Each R5F core within a typical R5FSS instance has a total of 64 KB of TCMs, + * split equally into two 32 KB banks between ATCM and BTCM. The TCMs from both + * cores are usable in Split-mode, but only the Core0 TCMs can be used in + * LockStep-mode. The newer revisions of the R5FSS IP maximizes these TCMs by + * leveraging the Core1 TCMs as well in certain modes where they would have + * otherwise been unusable (Eg: LockStep-mode on J7200 SoCs). This is done by + * making a Core1 TCM visible immediately after the corresponding Core0 TCM. + * The SoC memory map uses the larger 64 KB sizes for the Core0 TCMs, and the + * dts representation reflects this increased size on supported SoCs. The Core0 + * TCM sizes therefore have to be adjusted to only half the original size in + * Split mode. + */ +static void k3_r5_adjust_tcm_sizes(struct k3_r5_rproc *kproc) +{ + struct k3_r5_cluster *cluster = kproc->cluster; + struct k3_r5_core *core = kproc->core; + struct device *cdev = core->dev; + struct k3_r5_core *core0; + + if (cluster->mode == CLUSTER_MODE_LOCKSTEP || + !cluster->soc_data->tcm_is_double) + return; + + core0 = list_first_entry(&cluster->cores, struct k3_r5_core, elem); + if (core == core0) { + WARN_ON(core->mem[0].size != SZ_64K); + WARN_ON(core->mem[1].size != SZ_64K); + + core->mem[0].size /= 2; + core->mem[1].size /= 2; + + dev_dbg(cdev, "adjusted TCM sizes, ATCM = 0x%zx BTCM = 0x%zx\n", + core->mem[0].size, core->mem[1].size); + } +} + static int k3_r5_cluster_rproc_init(struct platform_device *pdev) { struct k3_r5_cluster *cluster = platform_get_drvdata(pdev); @@ -902,6 +972,8 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev) goto err_config; } + k3_r5_adjust_tcm_sizes(kproc); + ret = k3_r5_reserved_mem_init(kproc); if (ret) { dev_err(dev, "reserved memory init failed, ret = %d\n", @@ -940,9 +1012,9 @@ out: return ret; } -static int k3_r5_cluster_rproc_exit(struct platform_device *pdev) +static void k3_r5_cluster_rproc_exit(void *data) { - struct k3_r5_cluster *cluster = platform_get_drvdata(pdev); + struct k3_r5_cluster *cluster = platform_get_drvdata(data); struct k3_r5_rproc *kproc; struct k3_r5_core *core; struct rproc *rproc; @@ -967,8 +1039,6 @@ static int k3_r5_cluster_rproc_exit(struct platform_device *pdev) rproc_free(rproc); core->rproc = NULL; } - - return 0; } static int k3_r5_core_of_get_internal_memories(struct platform_device *pdev, @@ -1255,9 +1325,9 @@ static void k3_r5_core_of_exit(struct platform_device *pdev) devres_release_group(dev, k3_r5_core_of_init); } -static void k3_r5_cluster_of_exit(struct platform_device *pdev) +static void k3_r5_cluster_of_exit(void *data) { - struct k3_r5_cluster *cluster = platform_get_drvdata(pdev); + struct k3_r5_cluster *cluster = platform_get_drvdata(data); struct platform_device *cpdev; struct k3_r5_core *core, *temp; @@ -1311,15 +1381,23 @@ static int k3_r5_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *np = dev_of_node(dev); struct k3_r5_cluster *cluster; + const struct k3_r5_soc_data *data; int ret; int num_cores; + data = of_device_get_match_data(&pdev->dev); + if (!data) { + dev_err(dev, "SoC-specific data is not defined\n"); + return -ENODEV; + } + cluster = devm_kzalloc(dev, sizeof(*cluster), GFP_KERNEL); if (!cluster) return -ENOMEM; cluster->dev = dev; cluster->mode = CLUSTER_MODE_LOCKSTEP; + cluster->soc_data = data; INIT_LIST_HEAD(&cluster->cores); ret = of_property_read_u32(np, "ti,cluster-mode", &cluster->mode); @@ -1351,9 +1429,7 @@ static int k3_r5_probe(struct platform_device *pdev) return ret; } - ret = devm_add_action_or_reset(dev, - (void(*)(void *))k3_r5_cluster_of_exit, - pdev); + ret = devm_add_action_or_reset(dev, k3_r5_cluster_of_exit, pdev); if (ret) return ret; @@ -1364,18 +1440,27 @@ static int k3_r5_probe(struct platform_device *pdev) return ret; } - ret = devm_add_action_or_reset(dev, - (void(*)(void *))k3_r5_cluster_rproc_exit, - pdev); + ret = devm_add_action_or_reset(dev, k3_r5_cluster_rproc_exit, pdev); if (ret) return ret; return 0; } +static const struct k3_r5_soc_data am65_j721e_soc_data = { + .tcm_is_double = false, + .tcm_ecc_autoinit = false, +}; + +static const struct k3_r5_soc_data j7200_soc_data = { + .tcm_is_double = true, + .tcm_ecc_autoinit = true, +}; + static const struct of_device_id k3_r5_of_match[] = { - { .compatible = "ti,am654-r5fss", }, - { .compatible = "ti,j721e-r5fss", }, + { .compatible = "ti,am654-r5fss", .data = &am65_j721e_soc_data, }, + { .compatible = "ti,j721e-r5fss", .data = &am65_j721e_soc_data, }, + { .compatible = "ti,j7200-r5fss", .data = &j7200_soc_data, }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, k3_r5_of_match); diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c index b9349d6..484f760 100644 --- a/drivers/remoteproc/wkup_m3_rproc.c +++ b/drivers/remoteproc/wkup_m3_rproc.c @@ -17,6 +17,7 @@ #include #include #include +#include #include @@ -43,11 +44,13 @@ struct wkup_m3_mem { * @rproc: rproc handle * @pdev: pointer to platform device * @mem: WkupM3 memory information + * @rsts: reset control */ struct wkup_m3_rproc { struct rproc *rproc; struct platform_device *pdev; struct wkup_m3_mem mem[WKUPM3_MEM_MAX]; + struct reset_control *rsts; }; static int wkup_m3_rproc_start(struct rproc *rproc) @@ -56,13 +59,16 @@ static int wkup_m3_rproc_start(struct rproc *rproc) struct platform_device *pdev = wkupm3->pdev; struct device *dev = &pdev->dev; struct wkup_m3_platform_data *pdata = dev_get_platdata(dev); + int error = 0; - if (pdata->deassert_reset(pdev, pdata->reset_name)) { + error = reset_control_deassert(wkupm3->rsts); + + if (!wkupm3->rsts && pdata->deassert_reset(pdev, pdata->reset_name)) { dev_err(dev, "Unable to reset wkup_m3!\n"); - return -ENODEV; + error = -ENODEV; } - return 0; + return error; } static int wkup_m3_rproc_stop(struct rproc *rproc) @@ -71,16 +77,19 @@ static int wkup_m3_rproc_stop(struct rproc *rproc) struct platform_device *pdev = wkupm3->pdev; struct device *dev = &pdev->dev; struct wkup_m3_platform_data *pdata = dev_get_platdata(dev); + int error = 0; - if (pdata->assert_reset(pdev, pdata->reset_name)) { + error = reset_control_assert(wkupm3->rsts); + + if (!wkupm3->rsts && pdata->assert_reset(pdev, pdata->reset_name)) { dev_err(dev, "Unable to assert reset of wkup_m3!\n"); - return -ENODEV; + error = -ENODEV; } - return 0; + return error; } -static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { struct wkup_m3_rproc *wkupm3 = rproc->priv; void *va = NULL; @@ -132,12 +141,6 @@ static int wkup_m3_rproc_probe(struct platform_device *pdev) int ret; int i; - if (!(pdata && pdata->deassert_reset && pdata->assert_reset && - pdata->reset_name)) { - dev_err(dev, "Platform data missing!\n"); - return -ENODEV; - } - ret = of_property_read_string(dev->of_node, "ti,pm-firmware", &fw_name); if (ret) { @@ -165,6 +168,18 @@ static int wkup_m3_rproc_probe(struct platform_device *pdev) wkupm3->rproc = rproc; wkupm3->pdev = pdev; + wkupm3->rsts = devm_reset_control_get_optional_shared(dev, "rstctrl"); + if (IS_ERR(wkupm3->rsts)) + return PTR_ERR(wkupm3->rsts); + if (!wkupm3->rsts) { + if (!(pdata && pdata->deassert_reset && pdata->assert_reset && + pdata->reset_name)) { + dev_err(dev, "Platform data missing!\n"); + ret = -ENODEV; + goto err_put_rproc; + } + } + for (i = 0; i < ARRAY_SIZE(mem_names); i++) { res = platform_get_resource_byname(pdev, IORESOURCE_MEM, mem_names[i]); @@ -173,7 +188,7 @@ static int wkup_m3_rproc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "devm_ioremap_resource failed for resource %d\n", i); ret = PTR_ERR(wkupm3->mem[i].cpu_addr); - goto err; + goto err_put_rproc; } wkupm3->mem[i].bus_addr = res->start; wkupm3->mem[i].size = resource_size(res); diff --git a/drivers/soc/ti/omap_prm.c b/drivers/soc/ti/omap_prm.c index fb067b5..01cd946 100644 --- a/drivers/soc/ti/omap_prm.c +++ b/drivers/soc/ti/omap_prm.c @@ -7,6 +7,7 @@ */ #include +#include #include #include #include @@ -14,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -41,6 +43,7 @@ struct omap_prm_domain { u16 pwrstst; const struct omap_prm_domain_map *cap; u32 pwrstctrl_saved; + unsigned int uses_pm_clk:1; }; struct omap_rst_map { @@ -121,6 +124,16 @@ static const struct omap_prm_domain_map omap_prm_onoff_noauto = { .statechange = 1, }; +static const struct omap_prm_domain_map omap_prm_alwon = { + .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE), +}; + +static const struct omap_prm_domain_map omap_prm_reton = { + .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE) | BIT(OMAP_PRMD_RETENTION), + .statechange = 1, + .logicretstate = 1, +}; + static const struct omap_rst_map rst_map_0[] = { { .rst = 0, .st = 0 }, { .rst = -1 }, @@ -140,39 +153,237 @@ static const struct omap_rst_map rst_map_012[] = { }; static const struct omap_prm_data omap4_prm_data[] = { - { .name = "tesla", .base = 0x4a306400, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 }, + { + .name = "mpu", .base = 0x4a306300, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton, + }, + { + .name = "tesla", .base = 0x4a306400, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 + }, { .name = "abe", .base = 0x4a306500, .pwrstctrl = 0, .pwrstst = 0x4, .dmap = &omap_prm_all, }, - { .name = "core", .base = 0x4a306700, .rstctrl = 0x210, .rstst = 0x214, .clkdm_name = "ducati", .rstmap = rst_map_012 }, - { .name = "ivahd", .base = 0x4a306f00, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012 }, - { .name = "device", .base = 0x4a307b00, .rstctrl = 0x0, .rstst = 0x4, .rstmap = rst_map_01, .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM }, + { + .name = "always_on_core", .base = 0x4a306600, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, + { + .name = "core", .base = 0x4a306700, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton, + .rstctrl = 0x210, .rstst = 0x214, .clkdm_name = "ducati", + .rstmap = rst_map_012 + }, + { + .name = "ivahd", .base = 0x4a306f00, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012 + }, + { + .name = "cam", .base = 0x4a307000, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, + { + .name = "dss", .base = 0x4a307100, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact + }, + { + .name = "gfx", .base = 0x4a307200, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto + }, + { + .name = "l3init", .base = 0x4a307300, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton + }, + { + .name = "l4per", .base = 0x4a307400, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton + }, + { + .name = "cefuse", .base = 0x4a307600, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto + }, + { + .name = "wkup", .base = 0x4a307700, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon + }, + { + .name = "emu", .base = 0x4a307900, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto + }, + { + .name = "device", .base = 0x4a307b00, + .rstctrl = 0x0, .rstst = 0x4, .rstmap = rst_map_01, + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM + }, { }, }; static const struct omap_prm_data omap5_prm_data[] = { - { .name = "dsp", .base = 0x4ae06400, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 }, + { + .name = "mpu", .base = 0x4ae06300, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton, + }, + { + .name = "dsp", .base = 0x4ae06400, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 + }, { .name = "abe", .base = 0x4ae06500, .pwrstctrl = 0, .pwrstst = 0x4, .dmap = &omap_prm_nooff, }, - { .name = "core", .base = 0x4ae06700, .rstctrl = 0x210, .rstst = 0x214, .clkdm_name = "ipu", .rstmap = rst_map_012 }, - { .name = "iva", .base = 0x4ae07200, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012 }, - { .name = "device", .base = 0x4ae07c00, .rstctrl = 0x0, .rstst = 0x4, .rstmap = rst_map_01, .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM }, + { + .name = "coreaon", .base = 0x4ae06600, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon + }, + { + .name = "core", .base = 0x4ae06700, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton, + .rstctrl = 0x210, .rstst = 0x214, .clkdm_name = "ipu", + .rstmap = rst_map_012 + }, + { + .name = "iva", .base = 0x4ae07200, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012 + }, + { + .name = "cam", .base = 0x4ae07300, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto + }, + { + .name = "dss", .base = 0x4ae07400, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact + }, + { + .name = "gpu", .base = 0x4ae07500, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto + }, + { + .name = "l3init", .base = 0x4ae07600, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton + }, + { + .name = "custefuse", .base = 0x4ae07700, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto + }, + { + .name = "wkupaon", .base = 0x4ae07800, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon + }, + { + .name = "emu", .base = 0x4ae07a00, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto + }, + { + .name = "device", .base = 0x4ae07c00, + .rstctrl = 0x0, .rstst = 0x4, .rstmap = rst_map_01, + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM + }, { }, }; static const struct omap_prm_data dra7_prm_data[] = { - { .name = "dsp1", .base = 0x4ae06400, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 }, - { .name = "ipu", .base = 0x4ae06500, .rstctrl = 0x10, .rstst = 0x14, .clkdm_name = "ipu1", .rstmap = rst_map_012 }, - { .name = "core", .base = 0x4ae06700, .rstctrl = 0x210, .rstst = 0x214, .clkdm_name = "ipu2", .rstmap = rst_map_012 }, - { .name = "iva", .base = 0x4ae06f00, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012 }, - { .name = "dsp2", .base = 0x4ae07b00, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 }, - { .name = "eve1", .base = 0x4ae07b40, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 }, - { .name = "eve2", .base = 0x4ae07b80, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 }, - { .name = "eve3", .base = 0x4ae07bc0, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 }, - { .name = "eve4", .base = 0x4ae07c00, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 }, + { + .name = "mpu", .base = 0x4ae06300, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_reton, + }, + { + .name = "dsp1", .base = 0x4ae06400, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01, + }, + { + .name = "ipu", .base = 0x4ae06500, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012, + .clkdm_name = "ipu1" + }, + { + .name = "coreaon", .base = 0x4ae06628, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, + { + .name = "core", .base = 0x4ae06700, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + .rstctrl = 0x210, .rstst = 0x214, .rstmap = rst_map_012, + .clkdm_name = "ipu2" + }, + { + .name = "iva", .base = 0x4ae06f00, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012, + }, + { + .name = "cam", .base = 0x4ae07000, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, + { + .name = "dss", .base = 0x4ae07100, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, + { + .name = "gpu", .base = 0x4ae07200, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, + { + .name = "l3init", .base = 0x4ae07300, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_012, + .clkdm_name = "pcie" + }, + { + .name = "l4per", .base = 0x4ae07400, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, + { + .name = "custefuse", .base = 0x4ae07600, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, + { + .name = "wkupaon", .base = 0x4ae07724, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, + { + .name = "emu", .base = 0x4ae07900, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, + { + .name = "dsp2", .base = 0x4ae07b00, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 + }, + { + .name = "eve1", .base = 0x4ae07b40, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 + }, + { + .name = "eve2", .base = 0x4ae07b80, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 + }, + { + .name = "eve3", .base = 0x4ae07bc0, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 + }, + { + .name = "eve4", .base = 0x4ae07c00, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_01 + }, + { + .name = "rtc", .base = 0x4ae07c60, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, + { + .name = "vpe", .base = 0x4ae07c80, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, { }, }; @@ -187,14 +398,40 @@ static const struct omap_rst_map am3_wkup_rst_map[] = { }; static const struct omap_prm_data am3_prm_data[] = { - { .name = "per", .base = 0x44e00c00, .rstctrl = 0x0, .rstmap = am3_per_rst_map, .flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp" }, - { .name = "wkup", .base = 0x44e00d00, .rstctrl = 0x0, .rstst = 0xc, .rstmap = am3_wkup_rst_map, .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM }, - { .name = "device", .base = 0x44e00f00, .rstctrl = 0x0, .rstst = 0x8, .rstmap = rst_map_01, .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM }, + { + .name = "per", .base = 0x44e00c00, + .pwrstctrl = 0xc, .pwrstst = 0x8, .dmap = &omap_prm_noinact, + .rstctrl = 0x0, .rstmap = am3_per_rst_map, + .flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp" + }, + { + .name = "wkup", .base = 0x44e00d00, + .pwrstctrl = 0x4, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + .rstctrl = 0x0, .rstst = 0xc, .rstmap = am3_wkup_rst_map, + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM + }, + { + .name = "mpu", .base = 0x44e00e00, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact, + }, + { + .name = "device", .base = 0x44e00f00, + .rstctrl = 0x0, .rstst = 0x8, .rstmap = rst_map_01, + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM + }, + { + .name = "rtc", .base = 0x44e01000, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, { .name = "gfx", .base = 0x44e01100, .pwrstctrl = 0, .pwrstst = 0x10, .dmap = &omap_prm_noinact, .rstctrl = 0x4, .rstst = 0x14, .rstmap = rst_map_0, .clkdm_name = "gfx_l3", }, + { + .name = "cefuse", .base = 0x44e01200, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, { }, }; @@ -210,14 +447,44 @@ static const struct omap_rst_map am4_device_rst_map[] = { }; static const struct omap_prm_data am4_prm_data[] = { + { + .name = "mpu", .base = 0x44df0300, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact, + }, { .name = "gfx", .base = 0x44df0400, .pwrstctrl = 0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, .rstctrl = 0x10, .rstst = 0x14, .rstmap = rst_map_0, .clkdm_name = "gfx_l3", }, - { .name = "per", .base = 0x44df0800, .rstctrl = 0x10, .rstst = 0x14, .rstmap = am4_per_rst_map, .clkdm_name = "pruss_ocp" }, - { .name = "wkup", .base = 0x44df2000, .rstctrl = 0x10, .rstst = 0x14, .rstmap = am3_wkup_rst_map, .flags = OMAP_PRM_HAS_NO_CLKDM }, - { .name = "device", .base = 0x44df4000, .rstctrl = 0x0, .rstst = 0x4, .rstmap = am4_device_rst_map, .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM }, + { + .name = "rtc", .base = 0x44df0500, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, + { + .name = "tamper", .base = 0x44df0600, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, + { + .name = "cefuse", .base = 0x44df0700, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, + { + .name = "per", .base = 0x44df0800, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = am4_per_rst_map, + .clkdm_name = "pruss_ocp" + }, + { + .name = "wkup", .base = 0x44df2000, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + .rstctrl = 0x10, .rstst = 0x14, .rstmap = am3_wkup_rst_map, + .flags = OMAP_PRM_HAS_NO_CLKDM + }, + { + .name = "device", .base = 0x44df4000, + .rstctrl = 0x0, .rstst = 0x4, .rstmap = am4_device_rst_map, + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM + }, { }, }; @@ -325,6 +592,38 @@ static int omap_prm_domain_power_off(struct generic_pm_domain *domain) return 0; } +/* + * Note that ti-sysc already manages the module clocks separately so + * no need to manage those. Interconnect instances need clocks managed + * for simple-pm-bus. + */ +static int omap_prm_domain_attach_clock(struct device *dev, + struct omap_prm_domain *prmd) +{ + struct device_node *np = dev->of_node; + int error; + + if (!of_device_is_compatible(np, "simple-pm-bus")) + return 0; + + if (!of_property_read_bool(np, "clocks")) + return 0; + + error = pm_clk_create(dev); + if (error) + return error; + + error = of_pm_clk_add_clks(dev); + if (error < 0) { + pm_clk_destroy(dev); + return error; + } + + prmd->uses_pm_clk = 1; + + return 0; +} + static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain, struct device *dev) { @@ -349,6 +648,10 @@ static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain, genpd_data = dev_gpd_data(dev); genpd_data->data = NULL; + ret = omap_prm_domain_attach_clock(dev, prmd); + if (ret) + return ret; + return 0; } @@ -356,7 +659,11 @@ static void omap_prm_domain_detach_dev(struct generic_pm_domain *domain, struct device *dev) { struct generic_pm_domain_data *genpd_data; + struct omap_prm_domain *prmd; + prmd = genpd_to_prm_domain(domain); + if (prmd->uses_pm_clk) + pm_clk_destroy(dev); genpd_data = dev_gpd_data(dev); genpd_data->data = NULL; } @@ -393,6 +700,7 @@ static int omap_prm_domain_init(struct device *dev, struct omap_prm *prm) prmd->pd.power_off = omap_prm_domain_power_off; prmd->pd.attach_dev = omap_prm_domain_attach_dev; prmd->pd.detach_dev = omap_prm_domain_detach_dev; + prmd->pd.flags = GENPD_FLAG_PM_CLK; pm_genpd_init(&prmd->pd, NULL, true); error = of_genpd_add_provider_simple(np, &prmd->pd); diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index dc21aa8..332588d 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -555,16 +556,26 @@ static int am33xx_pm_probe(struct platform_device *pdev) suspend_wfi_flags |= WFI_FLAG_WAKE_M3; #endif /* CONFIG_SUSPEND */ + pm_runtime_enable(dev); + ret = pm_runtime_get_sync(dev); + if (ret < 0) { + pm_runtime_put_noidle(dev); + goto err_pm_runtime_disable; + } + ret = pm_ops->init(am33xx_do_sram_idle); if (ret) { dev_err(dev, "Unable to call core pm init!\n"); ret = -ENODEV; - goto err_put_wkup_m3_ipc; + goto err_pm_runtime_put; } return 0; -err_put_wkup_m3_ipc: +err_pm_runtime_put: + pm_runtime_put_sync(dev); +err_pm_runtime_disable: + pm_runtime_disable(dev); wkup_m3_ipc_put(m3_ipc); err_unsetup_rtc: iounmap(rtc_base_virt); @@ -577,6 +588,8 @@ err_free_sram: static int am33xx_pm_remove(struct platform_device *pdev) { + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); if (pm_ops->deinit) pm_ops->deinit(); suspend_set_ops(NULL); diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 859910e..2c72729 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -682,6 +682,8 @@ static const struct of_device_id spidev_dt_ids[] = { { .compatible = "lwn,bk4" }, { .compatible = "dh,dhcom-board" }, { .compatible = "menlo,m53cpld" }, + { .compatible = "cisco,spi-petra" }, + { .compatible = "micron,spi-authenta" }, {}, }; MODULE_DEVICE_TABLE(of, spidev_dt_ids); @@ -737,9 +739,9 @@ static int spidev_probe(struct spi_device *spi) * compatible string, it is a Linux implementation thing * rather than a description of the hardware. */ - WARN(spi->dev.of_node && - of_device_is_compatible(spi->dev.of_node, "spidev"), - "%pOF: buggy DT: spidev listed directly in DT\n", spi->dev.of_node); +// WARN(spi->dev.of_node && +// of_device_is_compatible(spi->dev.of_node, "spidev"), +// "%pOF: buggy DT: spidev listed directly in DT\n", spi->dev.of_node); spidev_probe_acpi(spi); diff --git a/drivers/staging/fbtft/fb_ssd1306.c b/drivers/staging/fbtft/fb_ssd1306.c index 6cf9df5..4cd6161 100644 --- a/drivers/staging/fbtft/fb_ssd1306.c +++ b/drivers/staging/fbtft/fb_ssd1306.c @@ -55,6 +55,9 @@ static int init_display(struct fbtft_par *par) write_reg(par, 0x3F); else if (par->info->var.yres == 48) write_reg(par, 0x2F); + else if (par->info->var.yres == 39) + /* https://libstock.mikroe.com/projects/download/1111/2577/1411057038_oled_b_click___e_mikroc_arm.zip */ + write_reg(par, 0x27); else write_reg(par, 0x1F); @@ -76,19 +79,27 @@ static int init_display(struct fbtft_par *par) write_reg(par, 0x01); /* Set Segment Re-map */ - /* column address 127 is mapped to SEG0 */ - write_reg(par, 0xA0 | 0x1); + if (par->info->var.yres == 39) + /* no segment re-map */ + write_reg(par, 0xA0 | 0x0); + else + /* column address 127 is mapped to SEG0 */ + write_reg(par, 0xA0 | 0x1); /* Set COM Output Scan Direction */ - /* remapped mode. Scan from COM[N-1] to COM0 */ - write_reg(par, 0xC8); + if (par->info->var.yres == 39) + /* no columnt re-map mode. Scan from COM0 to COM[N-1] */ + write_reg(par, 0xC0); + else + /* remapped mode. Scan from COM[N-1] to COM0 */ + write_reg(par, 0xC8); /* Set COM Pins Hardware Configuration */ write_reg(par, 0xDA); if (par->info->var.yres == 64) /* A[4]=1b, Alternative COM pin configuration */ write_reg(par, 0x12); - else if (par->info->var.yres == 48) + else if (par->info->var.yres == 48 || par->info->var.yres == 39) /* A[4]=1b, Alternative COM pin configuration */ write_reg(par, 0x12); else @@ -97,12 +108,18 @@ static int init_display(struct fbtft_par *par) /* Set Pre-charge Period */ write_reg(par, 0xD9); - write_reg(par, 0xF1); + if (par->info->var.yres == 39) + write_reg(par, 0x25); + else + write_reg(par, 0xF1); /* Set VCOMH Deselect Level */ write_reg(par, 0xDB); - /* according to the datasheet, this value is out of bounds */ - write_reg(par, 0x40); + if (par->info->var.yres == 39) + write_reg(par, 0x20); + else + /* according to the datasheet, this value is out of bounds */ + write_reg(par, 0x40); /* Entire Display ON */ /* Resume to RAM content display. Output follows RAM content */ @@ -133,6 +150,20 @@ static void set_addr_win_64x48(struct fbtft_par *par) write_reg(par, 0x5); } +static void set_addr_win_96x39(struct fbtft_par *par) +{ + /* Set Page Address */ + write_reg(par, 0xB0); + /* Set Column Address */ + write_reg(par, 0x21); + write_reg(par, 0x00); + write_reg(par, 0x5F); + /* Set Page Address Range */ + write_reg(par, 0x22); + write_reg(par, 0x0); + write_reg(par, 0x4); +} + static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) { /* Set Lower Column Start Address for Page Addressing Mode */ @@ -144,6 +175,8 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) if (par->info->var.xres == 64 && par->info->var.yres == 48) set_addr_win_64x48(par); + else if (par->info->var.xres == 96 && par->info->var.yres == 39) + set_addr_win_96x39(par); } static int blank(struct fbtft_par *par, bool on) @@ -188,11 +221,19 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) *buf |= BIT(i); buf++; } + if (yres % 8) { + *buf = 0x00; + for (i = 0; i < (yres - (y * 8)); i++) + if (vmem16[(y * 8 + i) * xres + x]) + *buf |= BIT(i); + buf++; + y++; + } } /* Write data */ gpiod_set_value(par->gpio.dc, 1); - ret = par->fbtftops.write(par, par->txbuf.buf, xres * yres / 8); + ret = par->fbtftops.write(par, par->txbuf.buf, xres * (yres / 8 + (yres % 8 != 0))); if (ret < 0) dev_err(par->info->device, "write failed and returned: %d\n", ret); diff --git a/drivers/staging/greybus/TODO b/drivers/staging/greybus/TODO index 31f1f2c..6461e01 100644 --- a/drivers/staging/greybus/TODO +++ b/drivers/staging/greybus/TODO @@ -1,3 +1,5 @@ * Convert all uses of the old GPIO API from to the GPIO descriptor API in and look up GPIO lines from device tree or ACPI. +* Make pwm.c use the struct pwm_ops::apply instead of ::config, ::set_polarity, + ::enable and ::disable. diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index 42ce6c8..b589cf6 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -71,15 +71,13 @@ static int gbaudio_module_enable_tx(struct gbaudio_codec_info *codec, i2s_port = 0; /* fixed for now */ cportid = data->connection->hd_cport_id; ret = gb_audio_apbridgea_register_cport(data->connection, - i2s_port, cportid, - AUDIO_APBRIDGEA_DIRECTION_TX); + i2s_port, cportid, + AUDIO_APBRIDGEA_DIRECTION_TX); if (ret) { - dev_err_ratelimited(module->dev, - "reg_cport failed:%d\n", ret); + dev_err_ratelimited(module->dev, "reg_cport failed:%d\n", ret); return ret; } - data->state[SNDRV_PCM_STREAM_PLAYBACK] = - GBAUDIO_CODEC_STARTUP; + data->state[SNDRV_PCM_STREAM_PLAYBACK] = GBAUDIO_CODEC_STARTUP; dev_dbg(module->dev, "Dynamic Register %d DAI\n", cportid); } @@ -93,12 +91,10 @@ static int gbaudio_module_enable_tx(struct gbaudio_codec_info *codec, ret = gb_audio_gb_set_pcm(module->mgmt_connection, data_cport, format, rate, channels, sig_bits); if (ret) { - dev_err_ratelimited(module->dev, "set_pcm failed:%d\n", - ret); + dev_err_ratelimited(module->dev, "set_pcm failed:%d\n", ret); return ret; } - data->state[SNDRV_PCM_STREAM_PLAYBACK] = - GBAUDIO_CODEC_HWPARAMS; + data->state[SNDRV_PCM_STREAM_PLAYBACK] = GBAUDIO_CODEC_HWPARAMS; dev_dbg(module->dev, "Dynamic hw_params %d DAI\n", data_cport); } @@ -113,15 +109,13 @@ static int gbaudio_module_enable_tx(struct gbaudio_codec_info *codec, ret); return ret; } - ret = gb_audio_gb_activate_tx(module->mgmt_connection, - data_cport); + ret = gb_audio_gb_activate_tx(module->mgmt_connection, data_cport); if (ret) { dev_err_ratelimited(module->dev, "activate_tx failed:%d\n", ret); return ret; } - data->state[SNDRV_PCM_STREAM_PLAYBACK] = - GBAUDIO_CODEC_PREPARE; + data->state[SNDRV_PCM_STREAM_PLAYBACK] = GBAUDIO_CODEC_PREPARE; dev_dbg(module->dev, "Dynamic prepare %d DAI\n", data_cport); } @@ -153,25 +147,22 @@ static int gbaudio_module_disable_tx(struct gbaudio_module_info *module, int id) return ret; } dev_dbg(module->dev, "Dynamic deactivate %d DAI\n", data_cport); - data->state[SNDRV_PCM_STREAM_PLAYBACK] = - GBAUDIO_CODEC_HWPARAMS; + data->state[SNDRV_PCM_STREAM_PLAYBACK] = GBAUDIO_CODEC_HWPARAMS; } if (module_state > GBAUDIO_CODEC_SHUTDOWN) { i2s_port = 0; /* fixed for now */ cportid = data->connection->hd_cport_id; ret = gb_audio_apbridgea_unregister_cport(data->connection, - i2s_port, cportid, - AUDIO_APBRIDGEA_DIRECTION_TX); + i2s_port, cportid, + AUDIO_APBRIDGEA_DIRECTION_TX); if (ret) { dev_err_ratelimited(module->dev, - "unregister_cport failed:%d\n", - ret); + "unregister_cport failed:%d\n", ret); return ret; } dev_dbg(module->dev, "Dynamic Unregister %d DAI\n", cportid); - data->state[SNDRV_PCM_STREAM_PLAYBACK] = - GBAUDIO_CODEC_SHUTDOWN; + data->state[SNDRV_PCM_STREAM_PLAYBACK] = GBAUDIO_CODEC_SHUTDOWN; } return 0; @@ -206,15 +197,13 @@ static int gbaudio_module_enable_rx(struct gbaudio_codec_info *codec, i2s_port = 0; /* fixed for now */ cportid = data->connection->hd_cport_id; ret = gb_audio_apbridgea_register_cport(data->connection, - i2s_port, cportid, - AUDIO_APBRIDGEA_DIRECTION_RX); + i2s_port, cportid, + AUDIO_APBRIDGEA_DIRECTION_RX); if (ret) { - dev_err_ratelimited(module->dev, - "reg_cport failed:%d\n", ret); + dev_err_ratelimited(module->dev, "reg_cport failed:%d\n", ret); return ret; } - data->state[SNDRV_PCM_STREAM_CAPTURE] = - GBAUDIO_CODEC_STARTUP; + data->state[SNDRV_PCM_STREAM_CAPTURE] = GBAUDIO_CODEC_STARTUP; dev_dbg(module->dev, "Dynamic Register %d DAI\n", cportid); } @@ -228,12 +217,10 @@ static int gbaudio_module_enable_rx(struct gbaudio_codec_info *codec, ret = gb_audio_gb_set_pcm(module->mgmt_connection, data_cport, format, rate, channels, sig_bits); if (ret) { - dev_err_ratelimited(module->dev, "set_pcm failed:%d\n", - ret); + dev_err_ratelimited(module->dev, "set_pcm failed:%d\n", ret); return ret; } - data->state[SNDRV_PCM_STREAM_CAPTURE] = - GBAUDIO_CODEC_HWPARAMS; + data->state[SNDRV_PCM_STREAM_CAPTURE] = GBAUDIO_CODEC_HWPARAMS; dev_dbg(module->dev, "Dynamic hw_params %d DAI\n", data_cport); } @@ -255,8 +242,7 @@ static int gbaudio_module_enable_rx(struct gbaudio_codec_info *codec, "activate_rx failed:%d\n", ret); return ret; } - data->state[SNDRV_PCM_STREAM_CAPTURE] = - GBAUDIO_CODEC_PREPARE; + data->state[SNDRV_PCM_STREAM_CAPTURE] = GBAUDIO_CODEC_PREPARE; dev_dbg(module->dev, "Dynamic prepare %d DAI\n", data_cport); } @@ -288,25 +274,22 @@ static int gbaudio_module_disable_rx(struct gbaudio_module_info *module, int id) return ret; } dev_dbg(module->dev, "Dynamic deactivate %d DAI\n", data_cport); - data->state[SNDRV_PCM_STREAM_CAPTURE] = - GBAUDIO_CODEC_HWPARAMS; + data->state[SNDRV_PCM_STREAM_CAPTURE] = GBAUDIO_CODEC_HWPARAMS; } if (module_state > GBAUDIO_CODEC_SHUTDOWN) { i2s_port = 0; /* fixed for now */ cportid = data->connection->hd_cport_id; ret = gb_audio_apbridgea_unregister_cport(data->connection, - i2s_port, cportid, - AUDIO_APBRIDGEA_DIRECTION_RX); + i2s_port, cportid, + AUDIO_APBRIDGEA_DIRECTION_RX); if (ret) { dev_err_ratelimited(module->dev, - "unregister_cport failed:%d\n", - ret); + "unregister_cport failed:%d\n", ret); return ret; } dev_dbg(module->dev, "Dynamic Unregister %d DAI\n", cportid); - data->state[SNDRV_PCM_STREAM_CAPTURE] = - GBAUDIO_CODEC_SHUTDOWN; + data->state[SNDRV_PCM_STREAM_CAPTURE] = GBAUDIO_CODEC_SHUTDOWN; } return 0; @@ -330,8 +313,7 @@ int gbaudio_module_update(struct gbaudio_codec_info *codec, /* parse dai_id from AIF widget's stream_name */ ret = sscanf(w->sname, "%s %d %s", intf_name, &dai_id, dir); if (ret < 3) { - dev_err(codec->dev, "Error while parsing dai_id for %s\n", - w->name); + dev_err(codec->dev, "Error while parsing dai_id for %s\n", w->name); return -EINVAL; } @@ -449,8 +431,7 @@ static int gbcodec_hw_params(struct snd_pcm_substream *substream, rate = GB_AUDIO_PCM_RATE_48000; if (params_format(hwparams) != SNDRV_PCM_FORMAT_S16_LE) { - dev_err(dai->dev, "Invalid format:%d\n", - params_format(hwparams)); + dev_err(dai->dev, "Invalid format:%d\n", params_format(hwparams)); mutex_unlock(&codec->lock); return -EINVAL; } @@ -558,19 +539,16 @@ static int gbcodec_prepare(struct snd_pcm_substream *substream, switch (substream->stream) { case SNDRV_PCM_STREAM_PLAYBACK: - ret = gb_audio_apbridgea_set_tx_data_size(data->connection, 0, - 192); + ret = gb_audio_apbridgea_set_tx_data_size(data->connection, 0, 192); break; case SNDRV_PCM_STREAM_CAPTURE: - ret = gb_audio_apbridgea_set_rx_data_size(data->connection, 0, - 192); + ret = gb_audio_apbridgea_set_rx_data_size(data->connection, 0, 192); break; } if (ret) { gb_pm_runtime_put_noidle(bundle); mutex_unlock(&codec->lock); - dev_err_ratelimited(dai->dev, "set_data_size failed:%d\n", - ret); + dev_err_ratelimited(dai->dev, "set_data_size failed:%d\n", ret); return ret; } @@ -635,30 +613,24 @@ static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream) } if (!mute && !stream) {/* start playback */ - ret = gb_audio_apbridgea_prepare_tx(data->connection, - 0); + ret = gb_audio_apbridgea_prepare_tx(data->connection, 0); if (!ret) - ret = gb_audio_apbridgea_start_tx(data->connection, - 0, 0); + ret = gb_audio_apbridgea_start_tx(data->connection, 0, 0); params->state = GBAUDIO_CODEC_START; } else if (!mute && stream) {/* start capture */ - ret = gb_audio_apbridgea_prepare_rx(data->connection, - 0); + ret = gb_audio_apbridgea_prepare_rx(data->connection, 0); if (!ret) - ret = gb_audio_apbridgea_start_rx(data->connection, - 0); + ret = gb_audio_apbridgea_start_rx(data->connection, 0); params->state = GBAUDIO_CODEC_START; } else if (mute && !stream) {/* stop playback */ ret = gb_audio_apbridgea_stop_tx(data->connection, 0); if (!ret) - ret = gb_audio_apbridgea_shutdown_tx(data->connection, - 0); + ret = gb_audio_apbridgea_shutdown_tx(data->connection, 0); params->state = GBAUDIO_CODEC_STOP; } else if (mute && stream) {/* stop capture */ ret = gb_audio_apbridgea_stop_rx(data->connection, 0); if (!ret) - ret = gb_audio_apbridgea_shutdown_rx(data->connection, - 0); + ret = gb_audio_apbridgea_shutdown_rx(data->connection, 0); params->state = GBAUDIO_CODEC_STOP; } else { ret = -EINVAL; @@ -868,8 +840,7 @@ int gbaudio_register_module(struct gbaudio_module_info *module) /* card already instantiated, create widgets here only */ if (comp->card->instantiated) { - gbaudio_dapm_link_component_dai_widgets(comp->card, - &comp->dapm); + gbaudio_dapm_link_component_dai_widgets(comp->card, &comp->dapm); #ifdef CONFIG_SND_JACK /* * register jack devices for this module @@ -904,8 +875,7 @@ static void gbaudio_codec_clean_data_tx(struct gbaudio_data_connection *data) ret = gb_audio_apbridgea_stop_tx(data->connection, 0); if (ret) return; - ret = gb_audio_apbridgea_shutdown_tx(data->connection, - 0); + ret = gb_audio_apbridgea_shutdown_tx(data->connection, 0); if (ret) return; } @@ -926,8 +896,7 @@ static void gbaudio_codec_clean_data_rx(struct gbaudio_data_connection *data) ret = gb_audio_apbridgea_stop_rx(data->connection, 0); if (ret) return; - ret = gb_audio_apbridgea_shutdown_rx(data->connection, - 0); + ret = gb_audio_apbridgea_shutdown_rx(data->connection, 0); if (ret) return; } diff --git a/drivers/staging/greybus/audio_helper.c b/drivers/staging/greybus/audio_helper.c index 3011b8a..1ed4772 100644 --- a/drivers/staging/greybus/audio_helper.c +++ b/drivers/staging/greybus/audio_helper.c @@ -166,7 +166,7 @@ static int gbaudio_remove_controls(struct snd_card *card, struct device *dev, snprintf(id.name, sizeof(id.name), "%s %s", prefix, control->name); else - strlcpy(id.name, control->name, sizeof(id.name)); + strscpy(id.name, control->name, sizeof(id.name)); id.numid = 0; id.iface = control->iface; id.device = control->device; diff --git a/drivers/staging/greybus/audio_manager_module.c b/drivers/staging/greybus/audio_manager_module.c index 2bfd804..525cf8f 100644 --- a/drivers/staging/greybus/audio_manager_module.c +++ b/drivers/staging/greybus/audio_manager_module.c @@ -213,8 +213,7 @@ int gb_audio_manager_module_create( err = kobject_init_and_add(&m->kobj, &gb_audio_module_type, NULL, "%d", id); if (err) { - pr_err("failed initializing kobject for audio module #%d\n", - id); + pr_err("failed initializing kobject for audio module #%d\n", id); kobject_put(&m->kobj); return err; } diff --git a/drivers/staging/greybus/audio_manager_sysfs.c b/drivers/staging/greybus/audio_manager_sysfs.c index ab882cc..fcd518f 100644 --- a/drivers/staging/greybus/audio_manager_sysfs.c +++ b/drivers/staging/greybus/audio_manager_sysfs.c @@ -18,8 +18,8 @@ static ssize_t manager_sysfs_add_store(struct kobject *kobj, struct gb_audio_manager_module_descriptor desc = { {0} }; int num = sscanf(buf, - "name=%" GB_AUDIO_MANAGER_MODULE_NAME_LEN_SSCANF "s " - "vid=%d pid=%d intf_id=%d i/p devices=0x%X o/p devices=0x%X", + "name=%" GB_AUDIO_MANAGER_MODULE_NAME_LEN_SSCANF + "s vid=%d pid=%d intf_id=%d i/p devices=0x%X o/p devices=0x%X", desc.name, &desc.vid, &desc.pid, &desc.intf_id, &desc.ip_devices, &desc.op_devices); diff --git a/drivers/staging/greybus/audio_module.c b/drivers/staging/greybus/audio_module.c index c52c4f3..0f9fdc0 100644 --- a/drivers/staging/greybus/audio_module.c +++ b/drivers/staging/greybus/audio_module.c @@ -175,8 +175,8 @@ static int gbaudio_codec_request_handler(struct gb_operation *op) } static int gb_audio_add_mgmt_connection(struct gbaudio_module_info *gbmodule, - struct greybus_descriptor_cport *cport_desc, - struct gb_bundle *bundle) + struct greybus_descriptor_cport *cport_desc, + struct gb_bundle *bundle) { struct gb_connection *connection; @@ -199,8 +199,8 @@ static int gb_audio_add_mgmt_connection(struct gbaudio_module_info *gbmodule, } static int gb_audio_add_data_connection(struct gbaudio_module_info *gbmodule, - struct greybus_descriptor_cport *cport_desc, - struct gb_bundle *bundle) + struct greybus_descriptor_cport *cport_desc, + struct gb_bundle *bundle) { struct gb_connection *connection; struct gbaudio_data_connection *dai; @@ -342,7 +342,7 @@ static int gb_audio_probe(struct gb_bundle *bundle, /* inform above layer for uevent */ dev_dbg(dev, "Inform set_event:%d to above layer\n", 1); /* prepare for the audio manager */ - strlcpy(desc.name, gbmodule->name, GB_AUDIO_MANAGER_MODULE_NAME_LEN); + strscpy(desc.name, gbmodule->name, GB_AUDIO_MANAGER_MODULE_NAME_LEN); desc.vid = 2; /* todo */ desc.pid = 3; /* todo */ desc.intf_id = gbmodule->dev_id; diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c index 662e3e8..e816e4d 100644 --- a/drivers/staging/greybus/audio_topology.c +++ b/drivers/staging/greybus/audio_topology.c @@ -200,7 +200,7 @@ static int gbcodec_mixer_ctl_info(struct snd_kcontrol *kcontrol, return -EINVAL; name = gbaudio_map_controlid(module, data->ctl_id, uinfo->value.enumerated.item); - strlcpy(uinfo->value.enumerated.name, name, NAME_SIZE); + strscpy(uinfo->value.enumerated.name, name, NAME_SIZE); break; default: dev_err(comp->dev, "Invalid type: %d for %s:kcontrol\n", @@ -1047,7 +1047,7 @@ static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module, } /* Prefix dev_id to widget control_name */ - strlcpy(temp_name, w->name, NAME_SIZE); + strscpy(temp_name, w->name, NAME_SIZE); snprintf(w->name, NAME_SIZE, "GB %d %s", module->dev_id, temp_name); switch (w->type) { @@ -1169,7 +1169,7 @@ static int gbaudio_tplg_process_kcontrols(struct gbaudio_module_info *module, } control->id = curr->id; /* Prefix dev_id to widget_name */ - strlcpy(temp_name, curr->name, NAME_SIZE); + strscpy(temp_name, curr->name, NAME_SIZE); snprintf(curr->name, NAME_SIZE, "GB %d %s", module->dev_id, temp_name); control->name = curr->name; diff --git a/drivers/staging/greybus/hid.c b/drivers/staging/greybus/hid.c index ed706f3..adb9128 100644 --- a/drivers/staging/greybus/hid.c +++ b/drivers/staging/greybus/hid.c @@ -221,8 +221,8 @@ static void gb_hid_init_reports(struct gb_hid *ghid) } static int __gb_hid_get_raw_report(struct hid_device *hid, - unsigned char report_number, __u8 *buf, size_t count, - unsigned char report_type) + unsigned char report_number, __u8 *buf, size_t count, + unsigned char report_type) { struct gb_hid *ghid = hid->driver_data; int ret; @@ -254,7 +254,7 @@ static int __gb_hid_output_raw_report(struct hid_device *hid, __u8 *buf, ret = gb_hid_set_report(ghid, report_type, report_id, buf, len); if (report_id && ret >= 0) - ret++; /* add report_id to the number of transfered bytes */ + ret++; /* add report_id to the number of transferred bytes */ return 0; } diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index d2672b6..87d3694 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -290,8 +290,7 @@ static int channel_attr_groups_set(struct gb_channel *channel, channel->attrs = kcalloc(size + 1, sizeof(*channel->attrs), GFP_KERNEL); if (!channel->attrs) return -ENOMEM; - channel->attr_group = kcalloc(1, sizeof(*channel->attr_group), - GFP_KERNEL); + channel->attr_group = kzalloc(sizeof(*channel->attr_group), GFP_KERNEL); if (!channel->attr_group) return -ENOMEM; channel->attr_groups = kcalloc(2, sizeof(*channel->attr_groups), diff --git a/drivers/staging/greybus/power_supply.c b/drivers/staging/greybus/power_supply.c index ec96f28..75cb170 100644 --- a/drivers/staging/greybus/power_supply.c +++ b/drivers/staging/greybus/power_supply.c @@ -449,7 +449,7 @@ static int __gb_power_supply_set_name(char *init_name, char *name, size_t len) if (!strlen(init_name)) init_name = "gb_power_supply"; - strlcpy(name, init_name, len); + strscpy(name, init_name, len); while ((ret < len) && (psy = power_supply_get_by_name(name))) { power_supply_put(psy); diff --git a/drivers/staging/greybus/spilib.c b/drivers/staging/greybus/spilib.c index fc27c52..672d540 100644 --- a/drivers/staging/greybus/spilib.c +++ b/drivers/staging/greybus/spilib.c @@ -455,10 +455,10 @@ static int gb_spi_setup_device(struct gb_spilib *spi, u8 cs) dev_type = response.device_type; if (dev_type == GB_SPI_SPI_DEV) - strlcpy(spi_board.modalias, "spidev", + strscpy(spi_board.modalias, "spidev", sizeof(spi_board.modalias)); else if (dev_type == GB_SPI_SPI_NOR) - strlcpy(spi_board.modalias, "spi-nor", + strscpy(spi_board.modalias, "spi-nor", sizeof(spi_board.modalias)); else if (dev_type == GB_SPI_SPI_MODALIAS) memcpy(spi_board.modalias, response.name, diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index c5f0d93..85977b3 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -27,12 +27,17 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { int len; + struct serdev_device *serdev = to_serdev_device(dev); len = acpi_device_modalias(dev, buf, PAGE_SIZE - 1); if (len != -ENODEV) return len; - return of_device_modalias(dev, buf, PAGE_SIZE); + len = of_device_modalias(dev, buf, PAGE_SIZE); + if (len != -ENODEV) + return len; + + return sprintf(buf, "%s%s\n", SERDEV_MODULE_PREFIX, serdev->modalias); } static DEVICE_ATTR_RO(modalias); @@ -45,14 +50,18 @@ ATTRIBUTE_GROUPS(serdev_device); static int serdev_device_uevent(struct device *dev, struct kobj_uevent_env *env) { int rc; - - /* TODO: platform modalias */ + struct serdev_device *serdev = to_serdev_device(dev); rc = acpi_device_uevent_modalias(dev, env); if (rc != -ENODEV) return rc; - return of_device_uevent_modalias(dev, env); + rc = of_device_uevent_modalias(dev, env); + if (rc != -ENODEV) + return rc; + + return add_uevent_var(env, "MODALIAS=%s%s", SERDEV_MODULE_PREFIX, + serdev->modalias); } static void serdev_device_release(struct device *dev) @@ -83,16 +92,36 @@ static const struct device_type serdev_ctrl_type = { .release = serdev_ctrl_release, }; +static int serdev_match_id(const struct serdev_device_id *id, + const struct serdev_device *sdev) +{ + while (id->name[0]) { + if (!strcmp(sdev->modalias, id->name)) + return 1; + id++; + } + + return 0; +} + static int serdev_device_match(struct device *dev, struct device_driver *drv) { + const struct serdev_device *sdev = to_serdev_device(dev); + const struct serdev_device_driver *sdrv = to_serdev_device_driver(drv); + if (!is_serdev_device(dev)) return 0; - /* TODO: platform matching */ if (acpi_driver_match_device(dev, drv)) return 1; - return of_driver_match_device(dev, drv); + if (of_driver_match_device(dev, drv)) + return 1; + + if (sdrv->id_table) + return serdev_match_id(sdrv->id_table, sdev); + + return strcmp(sdev->modalias, drv->name) == 0; } /** @@ -553,6 +582,17 @@ static int of_serdev_register_devices(struct serdev_controller *ctrl) return 0; } +struct serdev_controller *of_find_serdev_controller_by_node(struct device_node *node) +{ + struct device *dev = bus_find_device_by_of_node(&serdev_bus_type, node); + + if (!dev) + return NULL; + + return (dev->type == &serdev_ctrl_type) ? to_serdev_controller(dev) : NULL; +} +EXPORT_SYMBOL_GPL(of_find_serdev_controller_by_node); + #ifdef CONFIG_ACPI #define SERDEV_ACPI_MAX_SCAN_DEPTH 32 @@ -750,6 +790,12 @@ int serdev_controller_add(struct serdev_controller *ctrl) pm_runtime_enable(&ctrl->dev); + /* provide option to not delete a serdev controller without devices + * if property is present + */ + if (device_property_present(&ctrl->dev, "force-empty-serdev-controller")) + return 0; + ret_of = of_serdev_register_devices(ctrl); ret_acpi = acpi_serdev_register_devices(ctrl); if (ret_of && ret_acpi) { diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 95e2d6d..82878dc 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -1662,10 +1662,10 @@ static int __init omap8250_console_fixup(void) } add_preferred_console("ttyS", idx, options); - pr_err("WARNING: Your 'console=ttyO%d' has been replaced by 'ttyS%d'\n", + pr_info("WARNING: Your 'console=ttyO%d' has been replaced by 'ttyS%d'\n", idx, idx); - pr_err("This ensures that you still see kernel messages. Please\n"); - pr_err("update your kernel commandline.\n"); + pr_info("This ensures that you still see kernel messages. Please\n"); + pr_info("update your kernel commandline.\n"); return 0; } console_initcall(omap8250_console_fixup); diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 6d9c494..74d98dd 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -550,11 +550,30 @@ static unsigned int serial_icr_read(struct uart_8250_port *up, int offset) */ static void serial8250_clear_fifos(struct uart_8250_port *p) { + unsigned char fcr; + unsigned char clr_mask = UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT; + if (p->capabilities & UART_CAP_FIFO) { - serial_out(p, UART_FCR, UART_FCR_ENABLE_FIFO); - serial_out(p, UART_FCR, UART_FCR_ENABLE_FIFO | - UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); - serial_out(p, UART_FCR, 0); + /* + * Make sure to avoid changing FCR[7:3] and ENABLE_FIFO bits. + * In case ENABLE_FIFO is not set, there is nothing to flush + * so just return. Furthermore, on certain implementations of + * the 8250 core, the FCR[7:3] bits may only be changed under + * specific conditions and changing them if those conditions + * are not met can have nasty side effects. One such core is + * the 8250-omap present in TI AM335x. + */ + fcr = serial_in(p, UART_FCR); + + /* FIFO is not enabled, there's nothing to clear. */ + if (!(fcr & UART_FCR_ENABLE_FIFO)) + return; + + fcr |= clr_mask; + serial_out(p, UART_FCR, fcr); + + fcr &= ~clr_mask; + serial_out(p, UART_FCR, fcr); } } @@ -1456,7 +1475,7 @@ void serial8250_em485_stop_tx(struct uart_8250_port *p) * Enable previously disabled RX interrupts. */ if (!(p->port.rs485.flags & SER_RS485_RX_DURING_TX)) { - serial8250_clear_and_reinit_fifos(p); + serial8250_clear_fifos(p); p->ier |= UART_IER_RLSI | UART_IER_RDI; serial_port_out(&p->port, UART_IER, p->ier); diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 26475b4..994037e 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -46,6 +46,7 @@ config USB depends on USB_ARCH_HAS_HCD select GENERIC_ALLOCATOR select USB_COMMON + select POWER_SEQUENCE select NLS # for UTF-8 strings help Universal Serial Bus (USB) is a specification for a serial bus diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 357730e..bf16591 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include @@ -1716,6 +1717,7 @@ static void hub_disconnect(struct usb_interface *intf) hub->error = 0; hub_quiesce(hub, HUB_DISCONNECT); + of_pwrseq_off_list(&hub->pwrseq_on_list); mutex_lock(&usb_port_peer_mutex); /* Avoid races with recursively_mark_NOTATTACHED() */ @@ -1766,11 +1768,41 @@ static bool hub_descriptor_is_sane(struct usb_host_interface *desc) return true; } +#ifdef CONFIG_OF +static int hub_of_pwrseq_on(struct usb_hub *hub) +{ + struct device *parent; + struct usb_device *hdev = hub->hdev; + struct device_node *np; + int ret; + + if (hdev->parent) + parent = &hdev->dev; + else + parent = bus_to_hcd(hdev->bus)->self.sysdev; + + for_each_child_of_node(parent->of_node, np) { + ret = of_pwrseq_on_list(np, &hub->pwrseq_on_list); + /* Maybe no power sequence library is chosen */ + if (ret && ret != -ENOENT) + return ret; + } + + return 0; +} +#else +static int hub_of_pwrseq_on(struct usb_hub *hub) +{ + return 0; +} +#endif + static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_host_interface *desc; struct usb_device *hdev; struct usb_hub *hub; + int ret = -ENODEV; desc = intf->cur_altsetting; hdev = interface_to_usbdev(intf); @@ -1861,6 +1893,7 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) INIT_DELAYED_WORK(&hub->leds, led_work); INIT_DELAYED_WORK(&hub->init_work, NULL); INIT_WORK(&hub->events, hub_event); + INIT_LIST_HEAD(&hub->pwrseq_on_list); spin_lock_init(&hub->irq_urb_lock); timer_setup(&hub->irq_urb_retry, hub_retry_irq_urb, 0); usb_get_intf(intf); @@ -1881,11 +1914,14 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) usb_autopm_get_interface_no_resume(intf); } - if (hub_configure(hub, &desc->endpoint[0].desc) >= 0) - return 0; + if (hub_configure(hub, &desc->endpoint[0].desc) >= 0) { + ret = hub_of_pwrseq_on(hub); + if (!ret) + return 0; + } hub_disconnect(intf); - return -ENODEV; + return ret; } static int @@ -3764,7 +3800,7 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) /* stop hub_wq and related activity */ hub_quiesce(hub, HUB_SUSPEND); - return 0; + return pwrseq_suspend_list(&hub->pwrseq_on_list); } /* Report wakeup requests from the ports of a resuming root hub */ @@ -3804,8 +3840,13 @@ static void report_wakeup_requests(struct usb_hub *hub) static int hub_resume(struct usb_interface *intf) { struct usb_hub *hub = usb_get_intfdata(intf); + int ret; dev_dbg(&intf->dev, "%s\n", __func__); + ret = pwrseq_resume_list(&hub->pwrseq_on_list); + if (ret) + return ret; + hub_activate(hub, HUB_RESUME); /* diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index 22ea1f4..ef0b01e 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -73,6 +73,7 @@ struct usb_hub { spinlock_t irq_urb_lock; struct timer_list irq_urb_retry; struct usb_port **ports; + struct list_head pwrseq_on_list; /* powered pwrseq node list */ }; /** diff --git a/include/dt-bindings/clock/dra7.h b/include/dt-bindings/clock/dra7.h index 5ec4137..7d57063 100644 --- a/include/dt-bindings/clock/dra7.h +++ b/include/dt-bindings/clock/dra7.h @@ -84,6 +84,10 @@ #define DRA7_L3_MAIN_2_CLKCTRL DRA7_CLKCTRL_INDEX(0x20) #define DRA7_L3_INSTR_CLKCTRL DRA7_CLKCTRL_INDEX(0x28) +/* iva clocks */ +#define DRA7_IVA_CLKCTRL DRA7_CLKCTRL_INDEX(0x20) +#define DRA7_SL2IF_CLKCTRL DRA7_CLKCTRL_INDEX(0x28) + /* dss clocks */ #define DRA7_DSS_CORE_CLKCTRL DRA7_CLKCTRL_INDEX(0x20) #define DRA7_BB2D_CLKCTRL DRA7_CLKCTRL_INDEX(0x30) diff --git a/include/dt-bindings/clock/omap5.h b/include/dt-bindings/clock/omap5.h index 4177527..90e0d4b 100644 --- a/include/dt-bindings/clock/omap5.h +++ b/include/dt-bindings/clock/omap5.h @@ -32,6 +32,8 @@ /* l3main2 clocks */ #define OMAP5_L3_MAIN_2_CLKCTRL OMAP5_CLKCTRL_INDEX(0x20) +#define OMAP5_L3_MAIN_2_GPMC_CLKCTRL OMAP5_CLKCTRL_INDEX(0x28) +#define OMAP5_L3_MAIN_2_OCMC_RAM_CLKCTRL OMAP5_CLKCTRL_INDEX(0x30) /* ipu clocks */ #define OMAP5_MMU_IPU_CLKCTRL OMAP5_CLKCTRL_INDEX(0x20) diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 5b08a47..6563539 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -486,6 +486,16 @@ struct i3c_device_id { const void *data; }; +/* serdev */ + +#define SERDEV_NAME_SIZE 32 +#define SERDEV_MODULE_PREFIX "serdev:" + +struct serdev_device_id { + char name[SERDEV_NAME_SIZE]; + kernel_ulong_t driver_data; +}; + /* spi */ #define SPI_NAME_SIZE 32 diff --git b/include/linux/power/pwrseq.h b/include/linux/power/pwrseq.h new file mode 100644 index 0000000..cbc344c --- /dev/null +++ b/include/linux/power/pwrseq.h @@ -0,0 +1,81 @@ +#ifndef __LINUX_PWRSEQ_H +#define __LINUX_PWRSEQ_H + +#include + +#define PWRSEQ_MAX_CLKS 3 + +/** + * struct pwrseq - the power sequence structure + * @pwrseq_of_match_table: the OF device id table this pwrseq library supports + * @node: the list pointer to be added to pwrseq list + * @get: the API is used to get pwrseq instance from the device node + * @on: do power on for this pwrseq instance + * @off: do power off for this pwrseq instance + * @put: release the resources on this pwrseq instance + * @suspend: do suspend operation on this pwrseq instance + * @resume: do resume operation on this pwrseq instance + * @used: this pwrseq instance is used by device + */ +struct pwrseq { + const struct of_device_id *pwrseq_of_match_table; + struct list_head node; + int (*get)(struct device_node *np, struct pwrseq *p); + int (*on)(struct pwrseq *p); + void (*off)(struct pwrseq *p); + void (*put)(struct pwrseq *p); + int (*suspend)(struct pwrseq *p); + int (*resume)(struct pwrseq *p); + bool used; + bool suspended; +}; + +/* used for power sequence instance list in one driver */ +struct pwrseq_list_per_dev { + struct pwrseq *pwrseq; + struct list_head list; +}; + +#if IS_ENABLED(CONFIG_POWER_SEQUENCE) +void pwrseq_register(struct pwrseq *pwrseq); +void pwrseq_unregister(struct pwrseq *pwrseq); +struct pwrseq *of_pwrseq_on(struct device_node *np); +void of_pwrseq_off(struct pwrseq *pwrseq); +int of_pwrseq_on_list(struct device_node *np, struct list_head *head); +void of_pwrseq_off_list(struct list_head *head); +int pwrseq_suspend(struct pwrseq *p); +int pwrseq_resume(struct pwrseq *p); +int pwrseq_suspend_list(struct list_head *head); +int pwrseq_resume_list(struct list_head *head); +#else +static inline void pwrseq_register(struct pwrseq *pwrseq) {} +static inline void pwrseq_unregister(struct pwrseq *pwrseq) {} +static inline struct pwrseq *of_pwrseq_on(struct device_node *np) +{ + return NULL; +} +static void of_pwrseq_off(struct pwrseq *pwrseq) {} +static int of_pwrseq_on_list(struct device_node *np, struct list_head *head) +{ + return 0; +} +static void of_pwrseq_off_list(struct list_head *head) {} +static int pwrseq_suspend(struct pwrseq *p) +{ + return 0; +} +static int pwrseq_resume(struct pwrseq *p) +{ + return 0; +} +static int pwrseq_suspend_list(struct list_head *head) +{ + return 0; +} +static int pwrseq_resume_list(struct list_head *head) +{ + return 0; +} +#endif /* CONFIG_POWER_SEQUENCE */ + +#endif /* __LINUX_PWRSEQ_H */ diff --git a/include/linux/remoteproc/qcom_rproc.h b/include/linux/remoteproc/qcom_rproc.h index 6470516..82b2115 100644 --- a/include/linux/remoteproc/qcom_rproc.h +++ b/include/linux/remoteproc/qcom_rproc.h @@ -3,8 +3,6 @@ struct notifier_block; -#if IS_ENABLED(CONFIG_QCOM_RPROC_COMMON) - /** * enum qcom_ssr_notify_type - Startup/Shutdown events related to a remoteproc * processor. @@ -26,6 +24,8 @@ struct qcom_ssr_notify_data { bool crashed; }; +#if IS_ENABLED(CONFIG_QCOM_RPROC_COMMON) + void *qcom_register_ssr_notifier(const char *name, struct notifier_block *nb); int qcom_unregister_ssr_notifier(void *notify, struct notifier_block *nb); diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h index 3fa3ba6..8b795b5 100644 --- a/include/linux/remoteproc.h +++ b/include/linux/remoteproc.h @@ -315,6 +315,7 @@ struct rproc; /** * struct rproc_mem_entry - memory entry descriptor * @va: virtual address + * @is_iomem: io memory * @dma: dma address * @len: length, in bytes * @da: device address @@ -329,6 +330,7 @@ struct rproc; */ struct rproc_mem_entry { void *va; + bool is_iomem; dma_addr_t dma; size_t len; u32 da; @@ -361,6 +363,7 @@ enum rsc_handling_status { * @start: power on the device and boot it * @stop: power off the device * @attach: attach to a device that his already powered up + * @detach: detach from a device, leaving it powered up * @kick: kick a virtqueue (virtqueue id given as a parameter) * @da_to_va: optional platform hook to perform address translations * @parse_fw: parse firmware to extract information (e.g. resource table) @@ -368,13 +371,16 @@ enum rsc_handling_status { * RSC_HANDLED if resource was handled, RSC_IGNORED if not handled and a * negative value on error * @load_rsc_table: load resource table from firmware image - * @find_loaded_rsc_table: find the loaded resouce table + * @find_loaded_rsc_table: find the loaded resource table from firmware image + * @get_loaded_rsc_table: get resource table installed in memory + * by external entity * @load: load firmware to memory, where the remote processor * expects to find it * @sanity_check: sanity check the fw image * @get_boot_addr: get boot address to entry point specified in firmware * @panic: optional callback to react to system panic, core will delay * panic at least the returned number of milliseconds + * @coredump: collect firmware dump after the subsystem is shutdown */ struct rproc_ops { int (*prepare)(struct rproc *rproc); @@ -382,17 +388,21 @@ struct rproc_ops { int (*start)(struct rproc *rproc); int (*stop)(struct rproc *rproc); int (*attach)(struct rproc *rproc); + int (*detach)(struct rproc *rproc); void (*kick)(struct rproc *rproc, int vqid); - void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len); + void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len, bool *is_iomem); int (*parse_fw)(struct rproc *rproc, const struct firmware *fw); int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc, int offset, int avail); struct resource_table *(*find_loaded_rsc_table)( struct rproc *rproc, const struct firmware *fw); + struct resource_table *(*get_loaded_rsc_table)( + struct rproc *rproc, size_t *size); int (*load)(struct rproc *rproc, const struct firmware *fw); int (*sanity_check)(struct rproc *rproc, const struct firmware *fw); u64 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw); unsigned long (*panic)(struct rproc *rproc); + void (*coredump)(struct rproc *rproc); }; /** @@ -403,6 +413,8 @@ struct rproc_ops { * @RPROC_RUNNING: device is up and running * @RPROC_CRASHED: device has crashed; need to start recovery * @RPROC_DELETED: device is deleted + * @RPROC_ATTACHED: device has been booted by another entity and the core + * has attached to it * @RPROC_DETACHED: device has been booted by another entity and waiting * for the core to attach to it * @RPROC_LAST: just keep this one at the end @@ -419,8 +431,9 @@ enum rproc_state { RPROC_RUNNING = 2, RPROC_CRASHED = 3, RPROC_DELETED = 4, - RPROC_DETACHED = 5, - RPROC_LAST = 6, + RPROC_ATTACHED = 5, + RPROC_DETACHED = 6, + RPROC_LAST = 7, }; /** @@ -503,11 +516,12 @@ struct rproc_dump_segment { * @recovery_disabled: flag that state if recovery was disabled * @max_notifyid: largest allocated notify id. * @table_ptr: pointer to the resource table in effect + * @clean_table: copy of the resource table without modifications. Used + * when a remote processor is attached or detached from the core * @cached_table: copy of the resource table * @table_sz: size of @cached_table * @has_iommu: flag to indicate if remote processor is behind an MMU * @auto_boot: flag to indicate if remote processor should be auto-started - * @autonomous: true if an external entity has booted the remote processor * @dump_segments: list of segments in the firmware * @nb_vdev: number of vdev currently handled by rproc * @char_dev: character device of the rproc @@ -540,11 +554,11 @@ struct rproc { bool recovery_disabled; int max_notifyid; struct resource_table *table_ptr; + struct resource_table *clean_table; struct resource_table *cached_table; size_t table_sz; bool has_iommu; bool auto_boot; - bool autonomous; struct list_head dump_segments; int nb_vdev; u8 elf_class; @@ -653,7 +667,10 @@ rproc_of_resm_mem_entry_init(struct device *dev, u32 of_resm_idx, size_t len, int rproc_boot(struct rproc *rproc); void rproc_shutdown(struct rproc *rproc); +int rproc_detach(struct rproc *rproc); +int rproc_set_firmware(struct rproc *rproc, const char *fw_name); void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type); +void rproc_coredump_using_sections(struct rproc *rproc); int rproc_coredump_add_segment(struct rproc *rproc, dma_addr_t da, size_t size); int rproc_coredump_add_custom_segment(struct rproc *rproc, dma_addr_t da, size_t size, diff --git a/include/linux/serdev.h b/include/linux/serdev.h index 9f14f9c..2e1eb4d 100644 --- a/include/linux/serdev.h +++ b/include/linux/serdev.h @@ -7,6 +7,7 @@ #include #include +#include #include #include @@ -45,6 +46,7 @@ struct serdev_device { const struct serdev_device_ops *ops; struct completion write_comp; struct mutex write_lock; + char modalias[SERDEV_NAME_SIZE]; }; static inline struct serdev_device *to_serdev_device(struct device *d) @@ -63,6 +65,7 @@ struct serdev_device_driver { struct device_driver driver; int (*probe)(struct serdev_device *); void (*remove)(struct serdev_device *); + const struct serdev_device_id *id_table; }; static inline struct serdev_device_driver *to_serdev_device_driver(struct device_driver *d) @@ -112,6 +115,8 @@ static inline struct serdev_controller *to_serdev_controller(struct device *d) return container_of(d, struct serdev_controller, dev); } +struct serdev_controller *of_find_serdev_controller_by_node(struct device_node *node); + static inline void *serdev_device_get_drvdata(const struct serdev_device *serdev) { return dev_get_drvdata(&serdev->dev); diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst index 50d580d..079b833 100644 --- a/scripts/Makefile.dtbinst +++ b/scripts/Makefile.dtbinst @@ -18,9 +18,10 @@ include scripts/Kbuild.include include $(src)/Makefile dtbs := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-))) +dtbos := $(addprefix $(dst)/, $(dtbo-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-))) subdirs := $(addprefix $(obj)/, $(subdir-y) $(subdir-m)) -__dtbs_install: $(dtbs) $(subdirs) +__dtbs_install: $(dtbs) $(dtbos) $(subdirs) @: quiet_cmd_dtb_install = INSTALL $@ @@ -29,6 +30,9 @@ quiet_cmd_dtb_install = INSTALL $@ $(dst)/%.dtb: $(obj)/%.dtb $(call cmd,dtb_install) +$(dst)/%.dtbo: $(obj)/%.dtbo + $(call cmd,dtb_install) + PHONY += $(subdirs) $(subdirs): $(Q)$(MAKE) $(dtbinst)=$@ dst=$(patsubst $(obj)/%,$(dst)/%,$@) diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 9413370..3762965 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -281,6 +281,7 @@ DTC_FLAGS += -Wno-interrupt_provider ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) DTC_FLAGS += -Wno-unit_address_vs_reg \ -Wno-unit_address_format \ + -Wno-gpios_property \ -Wno-avoid_unnecessary_addr_size \ -Wno-alias_paths \ -Wno-graph_child_address \ @@ -341,6 +342,24 @@ endef $(obj)/%.dt.yaml: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE $(call if_changed_rule,dtc,yaml) +quiet_cmd_dtco = DTCO $@ +cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \ + $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ + $(DTC) -@ -H epapr -O dtb -o $@ -b 0 \ + -i $(dir $<) $(DTC_FLAGS) \ + -Wno-interrupts_property \ + -Wno-label_is_string \ + -Wno-reg_format \ + -Wno-pci_device_bus_num \ + -Wno-i2c_bus_reg \ + -Wno-spi_bus_reg \ + -Wno-avoid_default_addr_size \ + -d $(depfile).dtc.tmp $(dtc-tmp) ; \ + cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) + +$(obj)/%.dtbo: $(src)/%.dts FORCE + $(call if_changed_dep,dtco) + dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) # Bzip2 diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c index 27007c1..732cd03 100644 --- a/scripts/mod/devicetable-offsets.c +++ b/scripts/mod/devicetable-offsets.c @@ -152,6 +152,9 @@ int main(void) DEVID_FIELD(i3c_device_id, part_id); DEVID_FIELD(i3c_device_id, extra_info); + DEVID(serdev_device_id); + DEVID_FIELD(serdev_device_id, name); + DEVID(spi_device_id); DEVID_FIELD(spi_device_id, name); diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 2417dd1..540fee0 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -947,6 +947,15 @@ static int do_spi_entry(const char *filename, void *symval, return 1; } +static int do_serdev_entry(const char *filename, void *symval, + char *alias) +{ + DEF_FIELD_ADDR(symval, serdev_device_id, name); + sprintf(alias, SERDEV_MODULE_PREFIX "%s", *name); + + return 1; +} + static const struct dmifield { const char *prefix; int field; @@ -1420,6 +1429,7 @@ static const struct devtable devtable[] = { {"rpmsg", SIZE_rpmsg_device_id, do_rpmsg_entry}, {"i2c", SIZE_i2c_device_id, do_i2c_entry}, {"i3c", SIZE_i3c_device_id, do_i3c_entry}, + {"serdev", SIZE_serdev_device_id, do_serdev_entry}, {"spi", SIZE_spi_device_id, do_spi_entry}, {"dmi", SIZE_dmi_system_id, do_dmi_entry}, {"platform", SIZE_platform_device_id, do_platform_entry}, diff --git a/scripts/package/builddeb b/scripts/package/builddeb index ad30ece..d9eeacc 100755 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -153,6 +153,7 @@ if is_enabled CONFIG_OF_EARLY_FLATTREE; then # Only some architectures with OF support have this target if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install + $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/boot/dtbs/$version" dtbs_install fi fi diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 34c6dd0..5791b70 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -1003,7 +1003,7 @@ config SND_SOC_PCM3168A_SPI select REGMAP_SPI config SND_SOC_PCM5102A - tristate + tristate "Texas Instruments PCM5102A CODEC" config SND_SOC_PCM512x tristate