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-rw-r--r--arch/riscv/Kconfig.socs5
-rw-r--r--arch/riscv/boot/dts/Makefile1
-rw-r--r--arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi33
-rw-r--r--arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts36
-rw-r--r--arch/riscv/boot/dts/microchip/mpfs-m100pfs-fabric.dtsi4
-rw-r--r--arch/riscv/boot/dts/microchip/mpfs-polarberry-fabric.dtsi4
-rw-r--r--arch/riscv/boot/dts/microchip/mpfs-sev-kit-fabric.dtsi29
-rw-r--r--arch/riscv/boot/dts/microchip/mpfs.dtsi32
-rw-r--r--arch/riscv/boot/dts/renesas/Makefile2
-rw-r--r--arch/riscv/boot/dts/renesas/r9a07g043f.dtsi59
-rw-r--r--arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts27
-rw-r--r--arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi47
-rw-r--r--arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi64
-rw-r--r--arch/riscv/boot/dts/starfive/Makefile2
-rw-r--r--arch/riscv/boot/dts/starfive/jh7100-beaglev-starlight.dts153
-rw-r--r--arch/riscv/boot/dts/starfive/jh7100-common.dtsi161
-rw-r--r--arch/riscv/boot/dts/starfive/jh7100-starfive-visionfive-v1.dts20
-rw-r--r--arch/riscv/configs/defconfig3
-rw-r--r--arch/riscv/configs/nommu_k210_defconfig3
-rw-r--r--arch/riscv/configs/nommu_k210_sdcard_defconfig3
-rw-r--r--arch/riscv/configs/nommu_virt_defconfig3
-rw-r--r--arch/riscv/include/asm/stackprotector.h10
-rw-r--r--arch/riscv/kernel/vdso.c22
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";
+};
+
+&eth0 {
+ status = "disabled";
+};
+
+&eth1 {
+ 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,