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-rw-r--r--arch/riscv/Kconfig2
-rw-r--r--arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts9
-rw-r--r--arch/riscv/boot/dts/sophgo/cv18xx.dtsi16
-rw-r--r--arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts77
-rw-r--r--arch/riscv/boot/dts/sophgo/sg2042.dtsi148
-rw-r--r--arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts17
-rw-r--r--arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi12
-rw-r--r--arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts5
-rw-r--r--arch/riscv/boot/dts/thead/th1520.dtsi83
-rw-r--r--arch/riscv/configs/defconfig7
-rw-r--r--arch/riscv/include/asm/irq.h55
-rw-r--r--arch/riscv/include/asm/kvm_vcpu_pmu.h21
-rw-r--r--arch/riscv/kernel/acpi.c31
-rw-r--r--arch/riscv/kvm/vcpu_pmu.c14
-rw-r--r--arch/riscv/kvm/vcpu_sbi.c4
15 files changed, 404 insertions, 97 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 939ea7f6a228..86d1f1cea571 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -13,6 +13,7 @@ config 32BIT
config RISCV
def_bool y
select ACPI_GENERIC_GSI if ACPI
+ select ACPI_MCFG if (ACPI && PCI)
select ACPI_PPTT if ACPI
select ACPI_REDUCED_HARDWARE_ONLY if ACPI
select ACPI_SPCR_TABLE if ACPI
@@ -188,6 +189,7 @@ config RISCV
select OF_EARLY_FLATTREE
select OF_IRQ
select PCI_DOMAINS_GENERIC if PCI
+ select PCI_ECAM if (ACPI && PCI)
select PCI_MSI if PCI
select RISCV_ALTERNATIVE if !XIP_KERNEL
select RISCV_APLIC
diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
index aa361f3a86bb..7b5f57853690 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
+++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
@@ -43,6 +43,15 @@
clock-frequency = <25000000>;
};
+&sdhci0 {
+ status = "okay";
+ bus-width = <4>;
+ no-1-8-v;
+ no-mmc;
+ no-sdio;
+ disable-wp;
+};
+
&uart0 {
status = "okay";
};
diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
index 891932ae470f..b724fb6d9689 100644
--- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
@@ -297,6 +297,22 @@
status = "disabled";
};
+ dmac: dma-controller@4330000 {
+ compatible = "snps,axi-dma-1.01a";
+ reg = <0x04330000 0x1000>;
+ interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk CLK_SDMA_AXI>, <&clk CLK_SDMA_AXI>;
+ clock-names = "core-clk", "cfgr-clk";
+ #dma-cells = <1>;
+ dma-channels = <8>;
+ snps,block-size = <1024 1024 1024 1024
+ 1024 1024 1024 1024>;
+ snps,priority = <0 1 2 3 4 5 6 7>;
+ snps,dma-masters = <2>;
+ snps,data-width = <4>;
+ status = "disabled";
+ };
+
plic: interrupt-controller@70000000 {
reg = <0x70000000 0x4000000>;
interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
index 80cb017974d8..a3f9d6f22566 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
@@ -26,6 +26,83 @@
clock-frequency = <25000000>;
};
+&emmc {
+ bus-width = <4>;
+ no-sdio;
+ no-sd;
+ non-removable;
+ wp-inverted;
+ status = "okay";
+};
+
+&i2c1 {
+ status = "okay";
+
+ mcu: syscon@17 {
+ compatible = "sophgo,sg2042-hwmon-mcu";
+ reg = <0x17>;
+ #thermal-sensor-cells = <1>;
+ };
+};
+
+&sd {
+ bus-width = <4>;
+ no-sdio;
+ no-mmc;
+ wp-inverted;
+ status = "okay";
+};
+
&uart0 {
status = "okay";
};
+
+/ {
+ thermal-zones {
+ soc-thermal {
+ polling-delay-passive = <1000>;
+ polling-delay = <1000>;
+ thermal-sensors = <&mcu 0>;
+
+ trips {
+ soc_active1: soc-active1 {
+ temperature = <30000>;
+ hysteresis = <8000>;
+ type = "active";
+ };
+
+ soc_active2: soc-active2 {
+ temperature = <58000>;
+ hysteresis = <12000>;
+ type = "active";
+ };
+
+ soc_active3: soc-active3 {
+ temperature = <70000>;
+ hysteresis = <10000>;
+ type = "active";
+ };
+
+ soc_hot: soc-hot {
+ temperature = <80000>;
+ hysteresis = <5000>;
+ type = "hot";
+ };
+ };
+ };
+
+ board-thermal {
+ polling-delay-passive = <1000>;
+ polling-delay = <1000>;
+ thermal-sensors = <&mcu 1>;
+
+ trips {
+ board_active: board-active {
+ temperature = <75000>;
+ hysteresis = <8000>;
+ type = "active";
+ };
+ };
+ };
+ };
+};
diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
index 34c802bd3f9b..4e5fa6591623 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
@@ -44,8 +44,127 @@
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <2>;
+ interrupt-parent = <&intc>;
ranges;
+ i2c0: i2c@7030005000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x70 0x30005000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_I2C>;
+ clock-names = "ref";
+ clock-frequency = <100000>;
+ interrupts = <101 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_I2C0>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@7030006000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x70 0x30006000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_I2C>;
+ clock-names = "ref";
+ clock-frequency = <100000>;
+ interrupts = <102 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_I2C1>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@7030007000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x70 0x30007000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_I2C>;
+ clock-names = "ref";
+ clock-frequency = <100000>;
+ interrupts = <103 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_I2C2>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@7030008000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x70 0x30008000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_I2C>;
+ clock-names = "ref";
+ clock-frequency = <100000>;
+ interrupts = <104 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_I2C3>;
+ status = "disabled";
+ };
+
+ gpio0: gpio@7030009000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0x70 0x30009000 0x0 0x400>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_GPIO>,
+ <&clkgen GATE_CLK_GPIO_DB>;
+ clock-names = "bus", "db";
+
+ port0a: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ snps,nr-gpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&intc>;
+ interrupts = <96 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+
+ gpio1: gpio@703000a000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0x70 0x3000a000 0x0 0x400>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_GPIO>,
+ <&clkgen GATE_CLK_GPIO_DB>;
+ clock-names = "bus", "db";
+
+ port1a: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ snps,nr-gpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&intc>;
+ interrupts = <97 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+
+ gpio2: gpio@703000b000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0x70 0x3000b000 0x0 0x400>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_GPIO>,
+ <&clkgen GATE_CLK_GPIO_DB>;
+ clock-names = "bus", "db";
+
+ port2a: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ snps,nr-gpios = <32>;
+ reg = <0>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&intc>;
+ interrupts = <98 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+
pllclk: clock-controller@70300100c0 {
compatible = "sophgo,sg2042-pll";
reg = <0x70 0x300100c0 0x0 0x40>;
@@ -388,7 +507,6 @@
uart0: serial@7040000000 {
compatible = "snps,dw-apb-uart";
reg = <0x00000070 0x40000000 0x00000000 0x00001000>;
- interrupt-parent = <&intc>;
interrupts = <112 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <500000000>;
clocks = <&clkgen GATE_CLK_UART_500M>,
@@ -399,5 +517,33 @@
resets = <&rstgen RST_UART0>;
status = "disabled";
};
+
+ emmc: mmc@704002a000 {
+ compatible = "sophgo,sg2042-dwcmshc";
+ reg = <0x70 0x4002a000 0x0 0x1000>;
+ interrupt-parent = <&intc>;
+ interrupts = <134 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clkgen GATE_CLK_EMMC_100M>,
+ <&clkgen GATE_CLK_AXI_EMMC>,
+ <&clkgen GATE_CLK_100K_EMMC>;
+ clock-names = "core",
+ "bus",
+ "timer";
+ status = "disabled";
+ };
+
+ sd: mmc@704002b000 {
+ compatible = "sophgo,sg2042-dwcmshc";
+ reg = <0x70 0x4002b000 0x0 0x1000>;
+ interrupt-parent = <&intc>;
+ interrupts = <136 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clkgen GATE_CLK_SD_100M>,
+ <&clkgen GATE_CLK_AXI_SD>,
+ <&clkgen GATE_CLK_100K_SD>;
+ clock-names = "core",
+ "bus",
+ "timer";
+ status = "disabled";
+ };
};
};
diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index d9b4de9e4757..497d961456f3 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -23,6 +23,7 @@
serial3 = &uart3;
serial4 = &uart4;
serial5 = &uart5;
+ spi0 = &spi0;
};
chosen {
@@ -44,18 +45,6 @@
clock-frequency = <32768>;
};
-&apb_clk {
- clock-frequency = <62500000>;
-};
-
-&sdhci_clk {
- clock-frequency = <198000000>;
-};
-
-&uart_sclk {
- clock-frequency = <100000000>;
-};
-
&dmac0 {
status = "okay";
};
@@ -79,3 +68,7 @@
&uart0 {
status = "okay";
};
+
+&spi0 {
+ status = "okay";
+};
diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
index 1365d3a512a3..78977bdbbe3d 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
@@ -25,18 +25,6 @@
clock-frequency = <32768>;
};
-&apb_clk {
- clock-frequency = <62500000>;
-};
-
-&sdhci_clk {
- clock-frequency = <198000000>;
-};
-
-&uart_sclk {
- clock-frequency = <100000000>;
-};
-
&dmac0 {
status = "okay";
};
diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
index 9a3884a73e13..7738d2895c5a 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
@@ -20,6 +20,7 @@
serial3 = &uart3;
serial4 = &uart4;
serial5 = &uart5;
+ spi0 = &spi0;
};
chosen {
@@ -30,3 +31,7 @@
&uart0 {
status = "okay";
};
+
+&spi0 {
+ status = "okay";
+};
diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 3c9974062c20..6992060e6a54 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -5,6 +5,7 @@
*/
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/clock/thead,th1520-clk-ap.h>
/ {
compatible = "thead,th1520";
@@ -215,25 +216,6 @@
#clock-cells = <0>;
};
- apb_clk: apb-clk-clock {
- compatible = "fixed-clock";
- clock-output-names = "apb_clk";
- #clock-cells = <0>;
- };
-
- uart_sclk: uart-sclk-clock {
- compatible = "fixed-clock";
- clock-output-names = "uart_sclk";
- #clock-cells = <0>;
- };
-
- sdhci_clk: sdhci-clock {
- compatible = "fixed-clock";
- clock-frequency = <198000000>;
- clock-output-names = "sdhci_clk";
- #clock-cells = <0>;
- };
-
soc {
compatible = "simple-bus";
interrupt-parent = <&plic>;
@@ -264,11 +246,22 @@
<&cpu3_intc 3>, <&cpu3_intc 7>;
};
+ spi0: spi@ffe700c000 {
+ compatible = "thead,th1520-spi", "snps,dw-apb-ssi";
+ reg = <0xff 0xe700c000 0x0 0x1000>;
+ interrupts = <54 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk CLK_SPI>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
uart0: serial@ffe7014000 {
compatible = "snps,dw-apb-uart";
reg = <0xff 0xe7014000 0x0 0x100>;
interrupts = <36 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&uart_sclk>;
+ clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART0_PCLK>;
+ clock-names = "baudclk", "apb_pclk";
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -278,7 +271,7 @@
compatible = "thead,th1520-dwcmshc";
reg = <0xff 0xe7080000 0x0 0x10000>;
interrupts = <62 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&sdhci_clk>;
+ clocks = <&clk CLK_EMMC_SDIO>;
clock-names = "core";
status = "disabled";
};
@@ -287,7 +280,7 @@
compatible = "thead,th1520-dwcmshc";
reg = <0xff 0xe7090000 0x0 0x10000>;
interrupts = <64 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&sdhci_clk>;
+ clocks = <&clk CLK_EMMC_SDIO>;
clock-names = "core";
status = "disabled";
};
@@ -296,7 +289,7 @@
compatible = "thead,th1520-dwcmshc";
reg = <0xff 0xe70a0000 0x0 0x10000>;
interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&sdhci_clk>;
+ clocks = <&clk CLK_EMMC_SDIO>;
clock-names = "core";
status = "disabled";
};
@@ -305,7 +298,8 @@
compatible = "snps,dw-apb-uart";
reg = <0xff 0xe7f00000 0x0 0x100>;
interrupts = <37 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&uart_sclk>;
+ clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART1_PCLK>;
+ clock-names = "baudclk", "apb_pclk";
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -315,7 +309,8 @@
compatible = "snps,dw-apb-uart";
reg = <0xff 0xe7f04000 0x0 0x100>;
interrupts = <39 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&uart_sclk>;
+ clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART3_PCLK>;
+ clock-names = "baudclk", "apb_pclk";
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -326,6 +321,7 @@
reg = <0xff 0xe7f34000 0x0 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
+ clocks = <&clk CLK_GPIO2>;
portc: gpio-controller@0 {
compatible = "snps,dw-apb-gpio-port";
@@ -344,6 +340,7 @@
reg = <0xff 0xe7f38000 0x0 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
+ clocks = <&clk CLK_GPIO3>;
portd: gpio-controller@0 {
compatible = "snps,dw-apb-gpio-port";
@@ -362,6 +359,7 @@
reg = <0xff 0xec005000 0x0 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
+ clocks = <&clk CLK_GPIO0>;
porta: gpio-controller@0 {
compatible = "snps,dw-apb-gpio-port";
@@ -380,6 +378,7 @@
reg = <0xff 0xec006000 0x0 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
+ clocks = <&clk CLK_GPIO1>;
portb: gpio-controller@0 {
compatible = "snps,dw-apb-gpio-port";
@@ -397,17 +396,25 @@
compatible = "snps,dw-apb-uart";
reg = <0xff 0xec010000 0x0 0x4000>;
interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&uart_sclk>;
+ clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART2_PCLK>;
+ clock-names = "baudclk", "apb_pclk";
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
};
+ clk: clock-controller@ffef010000 {
+ compatible = "thead,th1520-clk-ap";
+ reg = <0xff 0xef010000 0x0 0x1000>;
+ clocks = <&osc>;
+ #clock-cells = <1>;
+ };
+
dmac0: dma-controller@ffefc00000 {
compatible = "snps,axi-dma-1.01a";
reg = <0xff 0xefc00000 0x0 0x1000>;
interrupts = <27 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&apb_clk>, <&apb_clk>;
+ clocks = <&clk CLK_PERI_APB_PCLK>, <&clk CLK_PERI_APB_PCLK>;
clock-names = "core-clk", "cfgr-clk";
#dma-cells = <1>;
dma-channels = <4>;
@@ -422,7 +429,7 @@
timer0: timer@ffefc32000 {
compatible = "snps,dw-apb-timer";
reg = <0xff 0xefc32000 0x0 0x14>;
- clocks = <&apb_clk>;
+ clocks = <&clk CLK_PERI_APB_PCLK>;
clock-names = "timer";
interrupts = <16 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
@@ -431,7 +438,7 @@
timer1: timer@ffefc32014 {
compatible = "snps,dw-apb-timer";
reg = <0xff 0xefc32014 0x0 0x14>;
- clocks = <&apb_clk>;
+ clocks = <&clk CLK_PERI_APB_PCLK>;
clock-names = "timer";
interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
@@ -440,7 +447,7 @@
timer2: timer@ffefc32028 {
compatible = "snps,dw-apb-timer";
reg = <0xff 0xefc32028 0x0 0x14>;
- clocks = <&apb_clk>;
+ clocks = <&clk CLK_PERI_APB_PCLK>;
clock-names = "timer";
interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
@@ -449,7 +456,7 @@
timer3: timer@ffefc3203c {
compatible = "snps,dw-apb-timer";
reg = <0xff 0xefc3203c 0x0 0x14>;
- clocks = <&apb_clk>;
+ clocks = <&clk CLK_PERI_APB_PCLK>;
clock-names = "timer";
interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
@@ -459,7 +466,8 @@
compatible = "snps,dw-apb-uart";
reg = <0xff 0xf7f08000 0x0 0x4000>;
interrupts = <40 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&uart_sclk>;
+ clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART4_PCLK>;
+ clock-names = "baudclk", "apb_pclk";
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -469,7 +477,8 @@
compatible = "snps,dw-apb-uart";
reg = <0xff 0xf7f0c000 0x0 0x4000>;
interrupts = <41 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&uart_sclk>;
+ clocks = <&clk CLK_UART_SCLK>, <&clk CLK_UART5_PCLK>;
+ clock-names = "baudclk", "apb_pclk";
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -478,7 +487,7 @@
timer4: timer@ffffc33000 {
compatible = "snps,dw-apb-timer";
reg = <0xff 0xffc33000 0x0 0x14>;
- clocks = <&apb_clk>;
+ clocks = <&clk CLK_PERI_APB_PCLK>;
clock-names = "timer";
interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
@@ -487,7 +496,7 @@
timer5: timer@ffffc33014 {
compatible = "snps,dw-apb-timer";
reg = <0xff 0xffc33014 0x0 0x14>;
- clocks = <&apb_clk>;
+ clocks = <&clk CLK_PERI_APB_PCLK>;
clock-names = "timer";
interrupts = <21 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
@@ -496,7 +505,7 @@
timer6: timer@ffffc33028 {
compatible = "snps,dw-apb-timer";
reg = <0xff 0xffc33028 0x0 0x14>;
- clocks = <&apb_clk>;
+ clocks = <&clk CLK_PERI_APB_PCLK>;
clock-names = "timer";
interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
@@ -505,7 +514,7 @@
timer7: timer@ffffc3303c {
compatible = "snps,dw-apb-timer";
reg = <0xff 0xffc3303c 0x0 0x14>;
- clocks = <&apb_clk>;
+ clocks = <&clk CLK_PERI_APB_PCLK>;
clock-names = "timer";
interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index 0d678325444f..ee978cc74673 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -167,6 +167,10 @@ CONFIG_SPI_RSPI=m
CONFIG_SPI_SIFIVE=y
CONFIG_SPI_SUN6I=y
# CONFIG_PTP_1588_CLOCK is not set
+CONFIG_PINCTRL_SOPHGO_CV1800B=y
+CONFIG_PINCTRL_SOPHGO_CV1812H=y
+CONFIG_PINCTRL_SOPHGO_SG2000=y
+CONFIG_PINCTRL_SOPHGO_SG2002=y
CONFIG_GPIO_SIFIVE=y
CONFIG_POWER_RESET_GPIO_RESTART=y
CONFIG_SENSORS_SFCTEMP=m
@@ -249,6 +253,9 @@ CONFIG_VIRTIO_BALLOON=y
CONFIG_VIRTIO_INPUT=y
CONFIG_VIRTIO_MMIO=y
CONFIG_CLK_SOPHGO_CV1800=y
+CONFIG_CLK_SOPHGO_SG2042_PLL=y
+CONFIG_CLK_SOPHGO_SG2042_CLKGEN=y
+CONFIG_CLK_SOPHGO_SG2042_RPGATE=y
CONFIG_SUN8I_DE2_CCU=m
CONFIG_RENESAS_OSTM=y
CONFIG_SUN50I_IOMMU=y
diff --git a/arch/riscv/include/asm/irq.h b/arch/riscv/include/asm/irq.h
index 8e10a94430a2..7e9a84a005ed 100644
--- a/arch/riscv/include/asm/irq.h
+++ b/arch/riscv/include/asm/irq.h
@@ -12,8 +12,63 @@
#include <asm-generic/irq.h>
+#define INVALID_CONTEXT UINT_MAX
+
void riscv_set_intc_hwnode_fn(struct fwnode_handle *(*fn)(void));
struct fwnode_handle *riscv_get_intc_hwnode(void);
+#ifdef CONFIG_ACPI
+
+enum riscv_irqchip_type {
+ ACPI_RISCV_IRQCHIP_INTC = 0x00,
+ ACPI_RISCV_IRQCHIP_IMSIC = 0x01,
+ ACPI_RISCV_IRQCHIP_PLIC = 0x02,
+ ACPI_RISCV_IRQCHIP_APLIC = 0x03,
+};
+
+int riscv_acpi_get_gsi_info(struct fwnode_handle *fwnode, u32 *gsi_base,
+ u32 *id, u32 *nr_irqs, u32 *nr_idcs);
+struct fwnode_handle *riscv_acpi_get_gsi_domain_id(u32 gsi);
+unsigned long acpi_rintc_index_to_hartid(u32 index);
+unsigned long acpi_rintc_ext_parent_to_hartid(unsigned int plic_id, unsigned int ctxt_idx);
+unsigned int acpi_rintc_get_plic_nr_contexts(unsigned int plic_id);
+unsigned int acpi_rintc_get_plic_context(unsigned int plic_id, unsigned int ctxt_idx);
+int __init acpi_rintc_get_imsic_mmio_info(u32 index, struct resource *res);
+
+#else
+static inline int riscv_acpi_get_gsi_info(struct fwnode_handle *fwnode, u32 *gsi_base,
+ u32 *id, u32 *nr_irqs, u32 *nr_idcs)
+{
+ return 0;
+}
+
+static inline unsigned long acpi_rintc_index_to_hartid(u32 index)
+{
+ return INVALID_HARTID;
+}
+
+static inline unsigned long acpi_rintc_ext_parent_to_hartid(unsigned int plic_id,
+ unsigned int ctxt_idx)
+{
+ return INVALID_HARTID;
+}
+
+static inline unsigned int acpi_rintc_get_plic_nr_contexts(unsigned int plic_id)
+{
+ return INVALID_CONTEXT;
+}
+
+static inline unsigned int acpi_rintc_get_plic_context(unsigned int plic_id, unsigned int ctxt_idx)
+{
+ return INVALID_CONTEXT;
+}
+
+static inline int __init acpi_rintc_get_imsic_mmio_info(u32 index, struct resource *res)
+{
+ return 0;
+}
+
+#endif /* CONFIG_ACPI */
+
#endif /* _ASM_RISCV_IRQ_H */
diff --git a/arch/riscv/include/asm/kvm_vcpu_pmu.h b/arch/riscv/include/asm/kvm_vcpu_pmu.h
index fa0f535bbbf0..1d85b6617508 100644
--- a/arch/riscv/include/asm/kvm_vcpu_pmu.h
+++ b/arch/riscv/include/asm/kvm_vcpu_pmu.h
@@ -10,6 +10,7 @@
#define __KVM_VCPU_RISCV_PMU_H
#include <linux/perf/riscv_pmu.h>
+#include <asm/kvm_vcpu_insn.h>
#include <asm/sbi.h>
#ifdef CONFIG_RISCV_PMU_SBI
@@ -64,11 +65,11 @@ struct kvm_pmu {
#if defined(CONFIG_32BIT)
#define KVM_RISCV_VCPU_HPMCOUNTER_CSR_FUNCS \
-{.base = CSR_CYCLEH, .count = 31, .func = kvm_riscv_vcpu_pmu_read_hpm }, \
-{.base = CSR_CYCLE, .count = 31, .func = kvm_riscv_vcpu_pmu_read_hpm },
+{.base = CSR_CYCLEH, .count = 32, .func = kvm_riscv_vcpu_pmu_read_hpm }, \
+{.base = CSR_CYCLE, .count = 32, .func = kvm_riscv_vcpu_pmu_read_hpm },
#else
#define KVM_RISCV_VCPU_HPMCOUNTER_CSR_FUNCS \
-{.base = CSR_CYCLE, .count = 31, .func = kvm_riscv_vcpu_pmu_read_hpm },
+{.base = CSR_CYCLE, .count = 32, .func = kvm_riscv_vcpu_pmu_read_hpm },
#endif
int kvm_riscv_vcpu_pmu_incr_fw(struct kvm_vcpu *vcpu, unsigned long fid);
@@ -104,8 +105,20 @@ void kvm_riscv_vcpu_pmu_reset(struct kvm_vcpu *vcpu);
struct kvm_pmu {
};
+static inline int kvm_riscv_vcpu_pmu_read_legacy(struct kvm_vcpu *vcpu, unsigned int csr_num,
+ unsigned long *val, unsigned long new_val,
+ unsigned long wr_mask)
+{
+ if (csr_num == CSR_CYCLE || csr_num == CSR_INSTRET) {
+ *val = 0;
+ return KVM_INSN_CONTINUE_NEXT_SEPC;
+ } else {
+ return KVM_INSN_ILLEGAL_TRAP;
+ }
+}
+
#define KVM_RISCV_VCPU_HPMCOUNTER_CSR_FUNCS \
-{.base = 0, .count = 0, .func = NULL },
+{.base = CSR_CYCLE, .count = 3, .func = kvm_riscv_vcpu_pmu_read_legacy },
static inline void kvm_riscv_vcpu_pmu_init(struct kvm_vcpu *vcpu) {}
static inline int kvm_riscv_vcpu_pmu_incr_fw(struct kvm_vcpu *vcpu, unsigned long fid)
diff --git a/arch/riscv/kernel/acpi.c b/arch/riscv/kernel/acpi.c
index ba957aaca5cb..6e0d333f57e5 100644
--- a/arch/riscv/kernel/acpi.c
+++ b/arch/riscv/kernel/acpi.c
@@ -311,29 +311,26 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
#ifdef CONFIG_PCI
/*
- * These interfaces are defined just to enable building ACPI core.
- * TODO: Update it with actual implementation when external interrupt
- * controller support is added in RISC-V ACPI.
+ * raw_pci_read/write - Platform-specific PCI config space access.
*/
-int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
- int reg, int len, u32 *val)
+int raw_pci_read(unsigned int domain, unsigned int bus,
+ unsigned int devfn, int reg, int len, u32 *val)
{
- return PCIBIOS_DEVICE_NOT_FOUND;
-}
+ struct pci_bus *b = pci_find_bus(domain, bus);
-int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
- int reg, int len, u32 val)
-{
- return PCIBIOS_DEVICE_NOT_FOUND;
+ if (!b)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ return b->ops->read(b, devfn, reg, len, val);
}
-int acpi_pci_bus_find_domain_nr(struct pci_bus *bus)
+int raw_pci_write(unsigned int domain, unsigned int bus,
+ unsigned int devfn, int reg, int len, u32 val)
{
- return -1;
-}
+ struct pci_bus *b = pci_find_bus(domain, bus);
-struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
-{
- return NULL;
+ if (!b)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ return b->ops->write(b, devfn, reg, len, val);
}
+
#endif /* CONFIG_PCI */
diff --git a/arch/riscv/kvm/vcpu_pmu.c b/arch/riscv/kvm/vcpu_pmu.c
index bcf41d6e0df0..2707a51b082c 100644
--- a/arch/riscv/kvm/vcpu_pmu.c
+++ b/arch/riscv/kvm/vcpu_pmu.c
@@ -391,19 +391,9 @@ int kvm_riscv_vcpu_pmu_read_hpm(struct kvm_vcpu *vcpu, unsigned int csr_num,
static void kvm_pmu_clear_snapshot_area(struct kvm_vcpu *vcpu)
{
struct kvm_pmu *kvpmu = vcpu_to_pmu(vcpu);
- int snapshot_area_size = sizeof(struct riscv_pmu_snapshot_data);
- if (kvpmu->sdata) {
- if (kvpmu->snapshot_addr != INVALID_GPA) {
- memset(kvpmu->sdata, 0, snapshot_area_size);
- kvm_vcpu_write_guest(vcpu, kvpmu->snapshot_addr,
- kvpmu->sdata, snapshot_area_size);
- } else {
- pr_warn("snapshot address invalid\n");
- }
- kfree(kvpmu->sdata);
- kvpmu->sdata = NULL;
- }
+ kfree(kvpmu->sdata);
+ kvpmu->sdata = NULL;
kvpmu->snapshot_addr = INVALID_GPA;
}
diff --git a/arch/riscv/kvm/vcpu_sbi.c b/arch/riscv/kvm/vcpu_sbi.c
index 62f409d4176e..7de128be8db9 100644
--- a/arch/riscv/kvm/vcpu_sbi.c
+++ b/arch/riscv/kvm/vcpu_sbi.c
@@ -127,8 +127,8 @@ void kvm_riscv_vcpu_sbi_forward(struct kvm_vcpu *vcpu, struct kvm_run *run)
run->riscv_sbi.args[3] = cp->a3;
run->riscv_sbi.args[4] = cp->a4;
run->riscv_sbi.args[5] = cp->a5;
- run->riscv_sbi.ret[0] = cp->a0;
- run->riscv_sbi.ret[1] = cp->a1;
+ run->riscv_sbi.ret[0] = SBI_ERR_NOT_SUPPORTED;
+ run->riscv_sbi.ret[1] = 0;
}
void kvm_riscv_vcpu_sbi_system_reset(struct kvm_vcpu *vcpu,
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