diff options
Diffstat (limited to 'arch/riscv')
23 files changed, 486 insertions, 237 deletions
diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs index 69774bb362d6..75fb0390d6bd 100644 --- a/arch/riscv/Kconfig.socs +++ b/arch/riscv/Kconfig.socs @@ -7,6 +7,11 @@ config SOC_MICROCHIP_POLARFIRE help This enables support for Microchip PolarFire SoC platforms. +config ARCH_RENESAS + bool "Renesas RISC-V SoCs" + help + This enables support for the RISC-V based Renesas SoCs. + config SOC_SIFIVE bool "SiFive SoCs" select SERIAL_SIFIVE if TTY diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile index ff174996cdfd..b0ff5fbabb0c 100644 --- a/arch/riscv/boot/dts/Makefile +++ b/arch/riscv/boot/dts/Makefile @@ -3,5 +3,6 @@ subdir-y += sifive subdir-y += starfive subdir-$(CONFIG_SOC_CANAAN_K210_DTB_BUILTIN) += canaan subdir-y += microchip +subdir-y += renesas obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y)) diff --git a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi index 24b1cfb9a73e..1069134f2e12 100644 --- a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi +++ b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi @@ -9,8 +9,8 @@ compatible = "microchip,corepwm-rtl-v4"; reg = <0x0 0x40000000 0x0 0xF0>; microchip,sync-update-mask = /bits/ 32 <0>; - #pwm-cells = <2>; - clocks = <&fabric_clk3>; + #pwm-cells = <3>; + clocks = <&ccc_nw CLK_CCC_PLL0_OUT3>; status = "disabled"; }; @@ -19,25 +19,13 @@ reg = <0x0 0x40000200 0x0 0x100>; #address-cells = <1>; #size-cells = <0>; - clocks = <&fabric_clk3>; + clocks = <&ccc_nw CLK_CCC_PLL0_OUT3>; interrupt-parent = <&plic>; interrupts = <122>; clock-frequency = <100000>; status = "disabled"; }; - fabric_clk3: fabric-clk3 { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <50000000>; - }; - - fabric_clk1: fabric-clk1 { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <125000000>; - }; - pcie: pcie@3000000000 { compatible = "microchip,pcie-host-1.0"; #address-cells = <0x3>; @@ -54,7 +42,7 @@ <0 0 0 3 &pcie_intc 2>, <0 0 0 4 &pcie_intc 3>; interrupt-map-mask = <0 0 0 7>; - clocks = <&fabric_clk1>, <&fabric_clk3>; + clocks = <&ccc_nw CLK_CCC_PLL0_OUT1>, <&ccc_nw CLK_CCC_PLL0_OUT3>; clock-names = "fic1", "fic3"; ranges = <0x3000000 0x0 0x8000000 0x30 0x8000000 0x0 0x80000000>; dma-ranges = <0x02000000 0x0 0x00000000 0x0 0x00000000 0x1 0x00000000>; @@ -67,4 +55,17 @@ interrupt-controller; }; }; + + refclk_ccc: cccrefclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + }; +}; + +&ccc_nw { + clocks = <&refclk_ccc>, <&refclk_ccc>, <&refclk_ccc>, <&refclk_ccc>, + <&refclk_ccc>, <&refclk_ccc>; + clock-names = "pll0_ref0", "pll0_ref1", "pll1_ref0", "pll1_ref1", + "dll0_ref", "dll1_ref"; + status = "okay"; }; diff --git a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts index ec7b7c2a3ce2..90b261114763 100644 --- a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts +++ b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts @@ -5,6 +5,8 @@ #include "mpfs.dtsi" #include "mpfs-icicle-kit-fabric.dtsi" +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/leds/common.h> /* Clock frequency (in Hz) of the rtcclk */ #define RTCCLK_FREQ 1000000 @@ -31,13 +33,41 @@ timebase-frequency = <RTCCLK_FREQ>; }; + leds { + compatible = "gpio-leds"; + + led-1 { + gpios = <&gpio2 16 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_RED>; + label = "led1"; + }; + + led-2 { + gpios = <&gpio2 17 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_RED>; + label = "led2"; + }; + + led-3 { + gpios = <&gpio2 18 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_AMBER>; + label = "led3"; + }; + + led-4 { + gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_AMBER>; + label = "led4"; + }; + }; + ddrc_cache_lo: memory@80000000 { device_type = "memory"; reg = <0x0 0x80000000 0x0 0x40000000>; status = "okay"; }; - ddrc_cache_hi: memory@1000000000 { + ddrc_cache_hi: memory@1040000000 { device_type = "memory"; reg = <0x10 0x40000000 0x0 0x40000000>; status = "okay"; @@ -149,6 +179,10 @@ clock-frequency = <125000000>; }; +&refclk_ccc { + clock-frequency = <50000000>; +}; + &rtc { status = "okay"; }; diff --git a/arch/riscv/boot/dts/microchip/mpfs-m100pfs-fabric.dtsi b/arch/riscv/boot/dts/microchip/mpfs-m100pfs-fabric.dtsi index 7b9ee13b6a3a..8230f06ddf48 100644 --- a/arch/riscv/boot/dts/microchip/mpfs-m100pfs-fabric.dtsi +++ b/arch/riscv/boot/dts/microchip/mpfs-m100pfs-fabric.dtsi @@ -30,8 +30,8 @@ <0 0 0 3 &pcie_intc 2>, <0 0 0 4 &pcie_intc 3>; interrupt-map-mask = <0 0 0 7>; - clocks = <&fabric_clk1>, <&fabric_clk1>, <&fabric_clk3>; - clock-names = "fic0", "fic1", "fic3"; + clocks = <&fabric_clk1>, <&fabric_clk3>; + clock-names = "fic0", "fic3"; ranges = <0x3000000 0x0 0x8000000 0x20 0x8000000 0x0 0x80000000>; msi-parent = <&pcie>; msi-controller; diff --git a/arch/riscv/boot/dts/microchip/mpfs-polarberry-fabric.dtsi b/arch/riscv/boot/dts/microchip/mpfs-polarberry-fabric.dtsi index 67303bc0e451..9a56de7b91d6 100644 --- a/arch/riscv/boot/dts/microchip/mpfs-polarberry-fabric.dtsi +++ b/arch/riscv/boot/dts/microchip/mpfs-polarberry-fabric.dtsi @@ -30,8 +30,8 @@ <0 0 0 3 &pcie_intc 2>, <0 0 0 4 &pcie_intc 3>; interrupt-map-mask = <0 0 0 7>; - clocks = <&fabric_clk1>, <&fabric_clk1>, <&fabric_clk3>; - clock-names = "fic0", "fic1", "fic3"; + clocks = <&fabric_clk1>, <&fabric_clk3>; + clock-names = "fic0", "fic3"; ranges = <0x3000000 0x0 0x8000000 0x20 0x8000000 0x0 0x80000000>; msi-parent = <&pcie>; msi-controller; diff --git a/arch/riscv/boot/dts/microchip/mpfs-sev-kit-fabric.dtsi b/arch/riscv/boot/dts/microchip/mpfs-sev-kit-fabric.dtsi index 8545baf4d129..39a77df489ab 100644 --- a/arch/riscv/boot/dts/microchip/mpfs-sev-kit-fabric.dtsi +++ b/arch/riscv/boot/dts/microchip/mpfs-sev-kit-fabric.dtsi @@ -13,33 +13,4 @@ #clock-cells = <0>; clock-frequency = <125000000>; }; - - pcie: pcie@2000000000 { - compatible = "microchip,pcie-host-1.0"; - #address-cells = <0x3>; - #interrupt-cells = <0x1>; - #size-cells = <0x2>; - device_type = "pci"; - reg = <0x20 0x0 0x0 0x8000000>, <0x0 0x43000000 0x0 0x10000>; - reg-names = "cfg", "apb"; - bus-range = <0x0 0x7f>; - interrupt-parent = <&plic>; - interrupts = <119>; - interrupt-map = <0 0 0 1 &pcie_intc 0>, - <0 0 0 2 &pcie_intc 1>, - <0 0 0 3 &pcie_intc 2>, - <0 0 0 4 &pcie_intc 3>; - interrupt-map-mask = <0 0 0 7>; - clocks = <&fabric_clk1>, <&fabric_clk1>, <&fabric_clk3>; - clock-names = "fic0", "fic1", "fic3"; - ranges = <0x3000000 0x0 0x8000000 0x20 0x8000000 0x0 0x80000000>; - msi-parent = <&pcie>; - msi-controller; - status = "disabled"; - pcie_intc: interrupt-controller { - #address-cells = <0>; - #interrupt-cells = <1>; - interrupt-controller; - }; - }; }; diff --git a/arch/riscv/boot/dts/microchip/mpfs.dtsi b/arch/riscv/boot/dts/microchip/mpfs.dtsi index 8f463399a568..0a9bb84af438 100644 --- a/arch/riscv/boot/dts/microchip/mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/mpfs.dtsi @@ -236,6 +236,38 @@ #clock-cells = <1>; }; + ccc_se: clock-controller@38010000 { + compatible = "microchip,mpfs-ccc"; + reg = <0x0 0x38010000 0x0 0x1000>, <0x0 0x38020000 0x0 0x1000>, + <0x0 0x39010000 0x0 0x1000>, <0x0 0x39020000 0x0 0x1000>; + #clock-cells = <1>; + status = "disabled"; + }; + + ccc_ne: clock-controller@38040000 { + compatible = "microchip,mpfs-ccc"; + reg = <0x0 0x38040000 0x0 0x1000>, <0x0 0x38080000 0x0 0x1000>, + <0x0 0x39040000 0x0 0x1000>, <0x0 0x39080000 0x0 0x1000>; + #clock-cells = <1>; + status = "disabled"; + }; + + ccc_nw: clock-controller@38100000 { + compatible = "microchip,mpfs-ccc"; + reg = <0x0 0x38100000 0x0 0x1000>, <0x0 0x38200000 0x0 0x1000>, + <0x0 0x39100000 0x0 0x1000>, <0x0 0x39200000 0x0 0x1000>; + #clock-cells = <1>; + status = "disabled"; + }; + + ccc_sw: clock-controller@38400000 { + compatible = "microchip,mpfs-ccc"; + reg = <0x0 0x38400000 0x0 0x1000>, <0x0 0x38800000 0x0 0x1000>, + <0x0 0x39400000 0x0 0x1000>, <0x0 0x39800000 0x0 0x1000>; + #clock-cells = <1>; + status = "disabled"; + }; + mmuart0: serial@20000000 { compatible = "ns16550a"; reg = <0x0 0x20000000 0x0 0x400>; diff --git a/arch/riscv/boot/dts/renesas/Makefile b/arch/riscv/boot/dts/renesas/Makefile new file mode 100644 index 000000000000..2d3f5751a649 --- /dev/null +++ b/arch/riscv/boot/dts/renesas/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043f01-smarc.dtb diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi new file mode 100644 index 000000000000..6ec1c6f9a403 --- /dev/null +++ b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the RZ/Five SoC + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +#include <dt-bindings/interrupt-controller/irq.h> + +#define SOC_PERIPHERAL_IRQ(nr) (nr + 32) + +#include <arm64/renesas/r9a07g043.dtsi> + +/ { + cpus { + #address-cells = <1>; + #size-cells = <0>; + timebase-frequency = <12000000>; + + cpu0: cpu@0 { + compatible = "andestech,ax45mp", "riscv"; + device_type = "cpu"; + #cooling-cells = <2>; + reg = <0x0>; + status = "okay"; + riscv,isa = "rv64imafdc"; + mmu-type = "riscv,sv39"; + i-cache-size = <0x8000>; + i-cache-line-size = <0x40>; + d-cache-size = <0x8000>; + d-cache-line-size = <0x40>; + clocks = <&cpg CPG_CORE R9A07G043_CLK_I>; + operating-points-v2 = <&cluster0_opp>; + + cpu0_intc: interrupt-controller { + #interrupt-cells = <1>; + compatible = "riscv,cpu-intc"; + interrupt-controller; + }; + }; + }; +}; + +&soc { + interrupt-parent = <&plic>; + + plic: interrupt-controller@12c00000 { + compatible = "renesas,r9a07g043-plic", "andestech,nceplic100"; + #interrupt-cells = <2>; + #address-cells = <0>; + riscv,ndev = <511>; + interrupt-controller; + reg = <0x0 0x12c00000 0 0x400000>; + clocks = <&cpg CPG_MOD R9A07G043_NCEPLIC_ACLK>; + power-domains = <&cpg>; + resets = <&cpg R9A07G043_NCEPLIC_ARESETN>; + interrupts-extended = <&cpu0_intc 11 &cpu0_intc 9>; + }; +}; diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts b/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts new file mode 100644 index 000000000000..2aa8515451d3 --- /dev/null +++ b/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the RZ/Five SMARC EVK + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +/dts-v1/; + +/* + * DIP-Switch SW1 setting + * 1 : High; 0: Low + * SW1-2 : SW_SD0_DEV_SEL (0: uSD; 1: eMMC) + * SW1-3 : SW_ET0_EN_N (0: ETHER0; 1: CAN0, CAN1, SSI1, RSPI1) + * Please change below macros according to SW1 setting on the SoM + */ +#define SW_SW0_DEV_SEL 1 +#define SW_ET0_EN_N 1 + +#include "r9a07g043f.dtsi" +#include "rzfive-smarc-som.dtsi" +#include "rzfive-smarc.dtsi" + +/ { + model = "Renesas SMARC EVK based on r9a07g043f01"; + compatible = "renesas,smarc-evk", "renesas,r9a07g043f01", "renesas,r9a07g043"; +}; diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi new file mode 100644 index 000000000000..2b7672bc4b52 --- /dev/null +++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the RZ/Five SMARC EVK SOM + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +#include <arm64/renesas/rzg2ul-smarc-som.dtsi> + +/ { + aliases { + /delete-property/ ethernet0; + /delete-property/ ethernet1; + }; + + chosen { + bootargs = "ignore_loglevel"; + }; +}; + +&dmac { + status = "disabled"; +}; + +ð0 { + status = "disabled"; +}; + +ð1 { + status = "disabled"; +}; + +&ostm1 { + status = "disabled"; +}; + +&ostm2 { + status = "disabled"; +}; + +&sdhi0 { + status = "disabled"; +}; + +&wdt0 { + status = "disabled"; +}; diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi new file mode 100644 index 000000000000..c07a487c4e5a --- /dev/null +++ b/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the RZ/Five SMARC EVK carrier board + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +#include <arm64/renesas/rzg2ul-smarc.dtsi> + +&ehci0 { + status = "disabled"; +}; + +&ehci1 { + status = "disabled"; +}; + +&hsusb { + status = "disabled"; +}; + +&ohci0 { + status = "disabled"; +}; + +&ohci1 { + status = "disabled"; +}; + +&phyrst { + status = "disabled"; +}; + +&sdhi1 { + status = "disabled"; +}; + +&snd_rzg2l { + status = "disabled"; +}; + +&spi1 { + status = "disabled"; +}; + +&ssi1 { + status = "disabled"; +}; + +&usb0_vbus_otg { + status = "disabled"; +}; + +&usb2_phy0 { + status = "disabled"; +}; + +&usb2_phy1 { + status = "disabled"; +}; + +&vccq_sdhi1 { + status = "disabled"; +}; diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile index 0ea1bc15ab30..039c143cba33 100644 --- a/arch/riscv/boot/dts/starfive/Makefile +++ b/arch/riscv/boot/dts/starfive/Makefile @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0 -dtb-$(CONFIG_SOC_STARFIVE) += jh7100-beaglev-starlight.dtb +dtb-$(CONFIG_SOC_STARFIVE) += jh7100-beaglev-starlight.dtb jh7100-starfive-visionfive-v1.dtb diff --git a/arch/riscv/boot/dts/starfive/jh7100-beaglev-starlight.dts b/arch/riscv/boot/dts/starfive/jh7100-beaglev-starlight.dts index f7a230110512..7cda3a89020a 100644 --- a/arch/riscv/boot/dts/starfive/jh7100-beaglev-starlight.dts +++ b/arch/riscv/boot/dts/starfive/jh7100-beaglev-starlight.dts @@ -5,160 +5,9 @@ */ /dts-v1/; -#include "jh7100.dtsi" -#include <dt-bindings/gpio/gpio.h> -#include <dt-bindings/leds/common.h> -#include <dt-bindings/pinctrl/pinctrl-starfive-jh7100.h> +#include "jh7100-common.dtsi" / { model = "BeagleV Starlight Beta"; compatible = "beagle,beaglev-starlight-jh7100-r0", "starfive,jh7100"; - - aliases { - serial0 = &uart3; - }; - - chosen { - stdout-path = "serial0:115200n8"; - }; - - cpus { - timebase-frequency = <6250000>; - }; - - memory@80000000 { - device_type = "memory"; - reg = <0x0 0x80000000 0x2 0x0>; - }; - - leds { - compatible = "gpio-leds"; - - led-ack { - gpios = <&gpio 43 GPIO_ACTIVE_HIGH>; - color = <LED_COLOR_ID_GREEN>; - function = LED_FUNCTION_HEARTBEAT; - linux,default-trigger = "heartbeat"; - label = "ack"; - }; - }; -}; - -&gpio { - i2c0_pins: i2c0-0 { - i2c-pins { - pinmux = <GPIOMUX(62, GPO_LOW, - GPO_I2C0_PAD_SCK_OEN, - GPI_I2C0_PAD_SCK_IN)>, - <GPIOMUX(61, GPO_LOW, - GPO_I2C0_PAD_SDA_OEN, - GPI_I2C0_PAD_SDA_IN)>; - bias-disable; /* external pull-up */ - input-enable; - input-schmitt-enable; - }; - }; - - i2c1_pins: i2c1-0 { - i2c-pins { - pinmux = <GPIOMUX(47, GPO_LOW, - GPO_I2C1_PAD_SCK_OEN, - GPI_I2C1_PAD_SCK_IN)>, - <GPIOMUX(48, GPO_LOW, - GPO_I2C1_PAD_SDA_OEN, - GPI_I2C1_PAD_SDA_IN)>; - bias-pull-up; - input-enable; - input-schmitt-enable; - }; - }; - - i2c2_pins: i2c2-0 { - i2c-pins { - pinmux = <GPIOMUX(60, GPO_LOW, - GPO_I2C2_PAD_SCK_OEN, - GPI_I2C2_PAD_SCK_IN)>, - <GPIOMUX(59, GPO_LOW, - GPO_I2C2_PAD_SDA_OEN, - GPI_I2C2_PAD_SDA_IN)>; - bias-disable; /* external pull-up */ - input-enable; - input-schmitt-enable; - }; - }; - - uart3_pins: uart3-0 { - rx-pins { - pinmux = <GPIOMUX(13, GPO_LOW, GPO_DISABLE, - GPI_UART3_PAD_SIN)>; - bias-pull-up; - drive-strength = <14>; - input-enable; - input-schmitt-enable; - slew-rate = <0>; - }; - tx-pins { - pinmux = <GPIOMUX(14, GPO_UART3_PAD_SOUT, - GPO_ENABLE, GPI_NONE)>; - bias-disable; - drive-strength = <35>; - input-disable; - input-schmitt-disable; - slew-rate = <0>; - }; - }; -}; - -&i2c0 { - clock-frequency = <100000>; - i2c-sda-hold-time-ns = <300>; - i2c-sda-falling-time-ns = <500>; - i2c-scl-falling-time-ns = <500>; - pinctrl-names = "default"; - pinctrl-0 = <&i2c0_pins>; - status = "okay"; - - pmic@5e { - compatible = "ti,tps65086"; - reg = <0x5e>; - gpio-controller; - #gpio-cells = <2>; - - regulators { - }; - }; -}; - -&i2c1 { - clock-frequency = <400000>; - i2c-sda-hold-time-ns = <300>; - i2c-sda-falling-time-ns = <100>; - i2c-scl-falling-time-ns = <100>; - pinctrl-names = "default"; - pinctrl-0 = <&i2c1_pins>; - status = "okay"; -}; - -&i2c2 { - clock-frequency = <100000>; - i2c-sda-hold-time-ns = <300>; - i2c-sda-falling-time-ns = <500>; - i2c-scl-falling-time-ns = <500>; - pinctrl-names = "default"; - pinctrl-0 = <&i2c2_pins>; - status = "okay"; -}; - -&osc_sys { - clock-frequency = <25000000>; -}; - -&osc_aud { - clock-frequency = <27000000>; -}; - -&uart3 { - pinctrl-names = "default"; - pinctrl-0 = <&uart3_pins>; - status = "okay"; }; diff --git a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi new file mode 100644 index 000000000000..b93ce351a90f --- /dev/null +++ b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi @@ -0,0 +1,161 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2021 StarFive Technology Co., Ltd. + * Copyright (C) 2021 Emil Renner Berthing <kernel@esmil.dk> + */ + +/dts-v1/; +#include "jh7100.dtsi" +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/leds/common.h> +#include <dt-bindings/pinctrl/pinctrl-starfive-jh7100.h> + +/ { + aliases { + serial0 = &uart3; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + cpus { + timebase-frequency = <6250000>; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x0 0x80000000 0x2 0x0>; + }; + + leds { + compatible = "gpio-leds"; + + led-ack { + gpios = <&gpio 43 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_HEARTBEAT; + linux,default-trigger = "heartbeat"; + label = "ack"; + }; + }; +}; + +&gpio { + i2c0_pins: i2c0-0 { + i2c-pins { + pinmux = <GPIOMUX(62, GPO_LOW, + GPO_I2C0_PAD_SCK_OEN, + GPI_I2C0_PAD_SCK_IN)>, + <GPIOMUX(61, GPO_LOW, + GPO_I2C0_PAD_SDA_OEN, + GPI_I2C0_PAD_SDA_IN)>; + bias-disable; /* external pull-up */ + input-enable; + input-schmitt-enable; + }; + }; + + i2c1_pins: i2c1-0 { + i2c-pins { + pinmux = <GPIOMUX(47, GPO_LOW, + GPO_I2C1_PAD_SCK_OEN, + GPI_I2C1_PAD_SCK_IN)>, + <GPIOMUX(48, GPO_LOW, + GPO_I2C1_PAD_SDA_OEN, + GPI_I2C1_PAD_SDA_IN)>; + bias-pull-up; + input-enable; + input-schmitt-enable; + }; + }; + + i2c2_pins: i2c2-0 { + i2c-pins { + pinmux = <GPIOMUX(60, GPO_LOW, + GPO_I2C2_PAD_SCK_OEN, + GPI_I2C2_PAD_SCK_IN)>, + <GPIOMUX(59, GPO_LOW, + GPO_I2C2_PAD_SDA_OEN, + GPI_I2C2_PAD_SDA_IN)>; + bias-disable; /* external pull-up */ + input-enable; + input-schmitt-enable; + }; + }; + + uart3_pins: uart3-0 { + rx-pins { + pinmux = <GPIOMUX(13, GPO_LOW, GPO_DISABLE, + GPI_UART3_PAD_SIN)>; + bias-pull-up; + drive-strength = <14>; + input-enable; + input-schmitt-enable; + slew-rate = <0>; + }; + tx-pins { + pinmux = <GPIOMUX(14, GPO_UART3_PAD_SOUT, + GPO_ENABLE, GPI_NONE)>; + bias-disable; + drive-strength = <35>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + }; +}; + +&i2c0 { + clock-frequency = <100000>; + i2c-sda-hold-time-ns = <300>; + i2c-sda-falling-time-ns = <500>; + i2c-scl-falling-time-ns = <500>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + status = "okay"; + + pmic@5e { + compatible = "ti,tps65086"; + reg = <0x5e>; + gpio-controller; + #gpio-cells = <2>; + + regulators { + }; + }; +}; + +&i2c1 { + clock-frequency = <400000>; + i2c-sda-hold-time-ns = <300>; + i2c-sda-falling-time-ns = <100>; + i2c-scl-falling-time-ns = <100>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + status = "okay"; +}; + +&i2c2 { + clock-frequency = <100000>; + i2c-sda-hold-time-ns = <300>; + i2c-sda-falling-time-ns = <500>; + i2c-scl-falling-time-ns = <500>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins>; + status = "okay"; +}; + +&osc_sys { + clock-frequency = <25000000>; +}; + +&osc_aud { + clock-frequency = <27000000>; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pins>; + status = "okay"; +}; diff --git a/arch/riscv/boot/dts/starfive/jh7100-starfive-visionfive-v1.dts b/arch/riscv/boot/dts/starfive/jh7100-starfive-visionfive-v1.dts new file mode 100644 index 000000000000..e82af72f1aaf --- /dev/null +++ b/arch/riscv/boot/dts/starfive/jh7100-starfive-visionfive-v1.dts @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2021 StarFive Technology Co., Ltd. + * Copyright (C) 2021 Emil Renner Berthing <kernel@esmil.dk> + */ + +/dts-v1/; +#include "jh7100-common.dtsi" +#include <dt-bindings/gpio/gpio.h> + +/ { + model = "StarFive VisionFive V1"; + compatible = "starfive,visionfive-v1", "starfive,jh7100"; + + gpio-restart { + compatible = "gpio-restart"; + gpios = <&gpio 63 GPIO_ACTIVE_HIGH>; + priority = <224>; + }; +}; diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig index 05fd5fcf24f9..f7f32448f160 100644 --- a/arch/riscv/configs/defconfig +++ b/arch/riscv/configs/defconfig @@ -26,6 +26,7 @@ CONFIG_EXPERT=y # CONFIG_SYSFS_SYSCALL is not set CONFIG_PROFILING=y CONFIG_SOC_MICROCHIP_POLARFIRE=y +CONFIG_ARCH_RENESAS=y CONFIG_SOC_SIFIVE=y CONFIG_SOC_STARFIVE=y CONFIG_SOC_VIRT=y @@ -123,6 +124,7 @@ CONFIG_INPUT_MOUSEDEV=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_SERIAL_SH_SCI=y CONFIG_VIRTIO_CONSOLE=y CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_VIRTIO=y @@ -159,6 +161,7 @@ CONFIG_VIRTIO_MMIO=y CONFIG_RPMSG_CHAR=y CONFIG_RPMSG_CTRL=y CONFIG_RPMSG_VIRTIO=y +CONFIG_ARCH_R9A07G043=y CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y CONFIG_EXT4_FS_SECURITY=y diff --git a/arch/riscv/configs/nommu_k210_defconfig b/arch/riscv/configs/nommu_k210_defconfig index 96fe8def644c..79b3ccd58ff0 100644 --- a/arch/riscv/configs/nommu_k210_defconfig +++ b/arch/riscv/configs/nommu_k210_defconfig @@ -25,7 +25,8 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_EMBEDDED=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_MMU is not set CONFIG_SOC_CANAAN=y CONFIG_NONPORTABLE=y diff --git a/arch/riscv/configs/nommu_k210_sdcard_defconfig b/arch/riscv/configs/nommu_k210_sdcard_defconfig index 379740654373..6b80bb13b8ed 100644 --- a/arch/riscv/configs/nommu_k210_sdcard_defconfig +++ b/arch/riscv/configs/nommu_k210_sdcard_defconfig @@ -17,7 +17,8 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_EMBEDDED=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_MMU is not set CONFIG_SOC_CANAAN=y CONFIG_NONPORTABLE=y diff --git a/arch/riscv/configs/nommu_virt_defconfig b/arch/riscv/configs/nommu_virt_defconfig index 1a56eda5ce46..4cf0f297091e 100644 --- a/arch/riscv/configs/nommu_virt_defconfig +++ b/arch/riscv/configs/nommu_virt_defconfig @@ -22,7 +22,8 @@ CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_MMU is not set CONFIG_SOC_VIRT=y CONFIG_NONPORTABLE=y diff --git a/arch/riscv/include/asm/stackprotector.h b/arch/riscv/include/asm/stackprotector.h index 09093af46565..43895b90fe3f 100644 --- a/arch/riscv/include/asm/stackprotector.h +++ b/arch/riscv/include/asm/stackprotector.h @@ -3,9 +3,6 @@ #ifndef _ASM_RISCV_STACKPROTECTOR_H #define _ASM_RISCV_STACKPROTECTOR_H -#include <linux/random.h> -#include <linux/version.h> - extern unsigned long __stack_chk_guard; /* @@ -16,12 +13,7 @@ extern unsigned long __stack_chk_guard; */ static __always_inline void boot_init_stack_canary(void) { - unsigned long canary; - - /* Try to get a semi random initial value. */ - get_random_bytes(&canary, sizeof(canary)); - canary ^= LINUX_VERSION_CODE; - canary &= CANARY_MASK; + unsigned long canary = get_random_canary(); current->stack_canary = canary; if (!IS_ENABLED(CONFIG_STACKPROTECTOR_PER_TASK)) diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c index 123d05255fcf..e410275918ac 100644 --- a/arch/riscv/kernel/vdso.c +++ b/arch/riscv/kernel/vdso.c @@ -137,28 +137,6 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) mmap_read_unlock(mm); return 0; } - -static struct page *find_timens_vvar_page(struct vm_area_struct *vma) -{ - if (likely(vma->vm_mm == current->mm)) - return current->nsproxy->time_ns->vvar_page; - - /* - * VM_PFNMAP | VM_IO protect .fault() handler from being called - * through interfaces like /proc/$pid/mem or - * process_vm_{readv,writev}() as long as there's no .access() - * in special_mapping_vmops. - * For more details check_vma_flags() and __access_remote_vm() - */ - WARN(1, "vvar_page accessed remotely"); - - return NULL; -} -#else -static struct page *find_timens_vvar_page(struct vm_area_struct *vma) -{ - return NULL; -} #endif static vm_fault_t vvar_fault(const struct vm_special_mapping *sm, |