[PATCH v3 6/6] riscv: dts: starfive: Add initial StarFive JH8100 device tree

Shengyu Qu wiagn233 at outlook.com
Fri Dec 8 04:08:59 PST 2023


Hello Sia,

Does the dubhe-80 cores actually support vector? Or vector support

doesn't exist on actual silicon?

Best regards,

Shengyu

> Add initial device tree for the StarFive JH8100 RISC-V SoC.
>
> Signed-off-by: Sia Jee Heng <jeeheng.sia at starfivetech.com>
> Reviewed-by: Ley Foon Tan <leyfoon.tan at starfivetech.com>
> ---
>   arch/riscv/boot/dts/starfive/Makefile       |   2 +
>   arch/riscv/boot/dts/starfive/jh8100-evb.dts |  28 ++
>   arch/riscv/boot/dts/starfive/jh8100.dtsi    | 378 ++++++++++++++++++++
>   3 files changed, 408 insertions(+)
>   create mode 100644 arch/riscv/boot/dts/starfive/jh8100-evb.dts
>   create mode 100644 arch/riscv/boot/dts/starfive/jh8100.dtsi
>
> diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile
> index 0141504c0f5c..ef5c7331c7ec 100644
> --- a/arch/riscv/boot/dts/starfive/Makefile
> +++ b/arch/riscv/boot/dts/starfive/Makefile
> @@ -10,3 +10,5 @@ dtb-$(CONFIG_ARCH_STARFIVE) += jh7100-starfive-visionfive-v1.dtb
>   
>   dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.2a.dtb
>   dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.3b.dtb
> +
> +dtb-$(CONFIG_ARCH_STARFIVE) += jh8100-evb.dtb
> diff --git a/arch/riscv/boot/dts/starfive/jh8100-evb.dts b/arch/riscv/boot/dts/starfive/jh8100-evb.dts
> new file mode 100644
> index 000000000000..c16bc25d8988
> --- /dev/null
> +++ b/arch/riscv/boot/dts/starfive/jh8100-evb.dts
> @@ -0,0 +1,28 @@
> +// SPDX-License-Identifier: GPL-2.0 OR MIT
> +/*
> + * Copyright (c) 2021-2023 StarFive Technology Co., Ltd.
> + */
> +
> +#include "jh8100.dtsi"
> +
> +/ {
> +	model = "StarFive JH8100 EVB";
> +	compatible = "starfive,jh8100-evb", "starfive,jh8100";
> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	memory at 40000000 {
> +		device_type = "memory";
> +		reg = <0x0 0x40000000 0x2 0x00000000>;
> +	};
> +};
> +
> +&uart0 {
> +	status = "okay";
> +};
> diff --git a/arch/riscv/boot/dts/starfive/jh8100.dtsi b/arch/riscv/boot/dts/starfive/jh8100.dtsi
> new file mode 100644
> index 000000000000..f26aff5c1ddf
> --- /dev/null
> +++ b/arch/riscv/boot/dts/starfive/jh8100.dtsi
> @@ -0,0 +1,378 @@
> +// SPDX-License-Identifier: GPL-2.0 OR MIT
> +/*
> + * Copyright (c) 2021-2023 StarFive Technology Co., Ltd.
> + */
> +
> +/dts-v1/;
> +
> +/ {
> +	compatible = "starfive,jh8100";
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +
> +	cpus {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		timebase-frequency = <4000000>;
> +
> +		cpu0: cpu at 0 {
> +			compatible = "starfive,dubhe-80", "riscv";
> +			capacity-dmips-mhz = <768>;
> +			d-cache-block-size = <64>;
> +			d-cache-sets = <512>;
> +			d-cache-size = <32768>;
> +			d-tlb-sets = <1>;
> +			d-tlb-size = <48>;
> +			device_type = "cpu";
> +			i-cache-block-size = <64>;
> +			i-cache-sets = <512>;
> +			i-cache-size = <32768>;
> +			i-tlb-sets = <1>;
> +			i-tlb-size = <48>;
> +			mmu-type = "riscv,sv48";
> +			next-level-cache = <&l2c0>;
> +			reg = <0x0>;
> +			riscv,isa = "rv64imafdch";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "h", "zicntr",
> +					       "zicsr", "zifencei", "zihintpause", "zihpm",
> +					       "zba", "zbb", "zbs", "sscofpmf";
> +			tlb-split;
> +
> +			cpu0_intc: interrupt-controller {
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +				#interrupt-cells = <1>;
> +			};
> +		};
> +
> +		cpu1: cpu at 1 {
> +			compatible = "starfive,dubhe-80", "riscv";
> +			capacity-dmips-mhz = <768>;
> +			d-cache-block-size = <64>;
> +			d-cache-sets = <512>;
> +			d-cache-size = <32768>;
> +			d-tlb-sets = <1>;
> +			d-tlb-size = <48>;
> +			device_type = "cpu";
> +			i-cache-block-size = <64>;
> +			i-cache-sets = <512>;
> +			i-cache-size = <32768>;
> +			i-tlb-sets = <1>;
> +			i-tlb-size = <48>;
> +			mmu-type = "riscv,sv48";
> +			next-level-cache = <&l2c1>;
> +			reg = <0x1>;
> +			riscv,isa = "rv64imafdch";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "h", "zicntr",
> +					       "zicsr", "zifencei", "zihintpause", "zihpm",
> +					       "zba", "zbb", "zbs", "sscofpmf";
> +			tlb-split;
> +
> +			cpu1_intc: interrupt-controller {
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +				#interrupt-cells = <1>;
> +			};
> +		};
> +
> +		cpu2: cpu at 2 {
> +			compatible = "starfive,dubhe-90", "riscv";
> +			capacity-dmips-mhz = <1024>;
> +			d-cache-block-size = <64>;
> +			d-cache-sets = <1024>;
> +			d-cache-size = <65536>;
> +			d-tlb-sets = <1>;
> +			d-tlb-size = <48>;
> +			device_type = "cpu";
> +			i-cache-block-size = <64>;
> +			i-cache-sets = <1024>;
> +			i-cache-size = <65536>;
> +			i-tlb-sets = <1>;
> +			i-tlb-size = <48>;
> +			mmu-type = "riscv,sv48";
> +			next-level-cache = <&l2c2>;
> +			reg = <0x2>;
> +			riscv,isa = "rv64imafdch";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "h", "zicntr",
> +					       "zicsr", "zifencei", "zihintpause", "zihpm",
> +					       "zba", "zbb", "zbs", "sscofpmf";
> +			tlb-split;
> +
> +			cpu2_intc: interrupt-controller {
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +				#interrupt-cells = <1>;
> +			};
> +		};
> +
> +		cpu3: cpu at 3 {
> +			compatible = "starfive,dubhe-90", "riscv";
> +			capacity-dmips-mhz = <1024>;
> +			d-cache-block-size = <64>;
> +			d-cache-sets = <1024>;
> +			d-cache-size = <65536>;
> +			d-tlb-sets = <1>;
> +			d-tlb-size = <48>;
> +			device_type = "cpu";
> +			i-cache-block-size = <64>;
> +			i-cache-sets = <1024>;
> +			i-cache-size = <65536>;
> +			i-tlb-sets = <1>;
> +			i-tlb-size = <48>;
> +			mmu-type = "riscv,sv48";
> +			next-level-cache = <&l2c2>;
> +			reg = <0x3>;
> +			riscv,isa = "rv64imafdch";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "h", "zicntr",
> +					       "zicsr", "zifencei", "zihintpause", "zihpm",
> +					       "zba", "zbb", "zbs", "sscofpmf";
> +			tlb-split;
> +
> +			cpu3_intc: interrupt-controller {
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +				#interrupt-cells = <1>;
> +			};
> +		};
> +
> +		cpu4: cpu at 4 {
> +			compatible = "starfive,dubhe-90", "riscv";
> +			capacity-dmips-mhz = <1024>;
> +			d-cache-block-size = <64>;
> +			d-cache-sets = <1024>;
> +			d-cache-size = <65536>;
> +			d-tlb-sets = <1>;
> +			d-tlb-size = <48>;
> +			device_type = "cpu";
> +			i-cache-block-size = <64>;
> +			i-cache-sets = <1024>;
> +			i-cache-size = <65536>;
> +			i-tlb-sets = <1>;
> +			i-tlb-size = <48>;
> +			mmu-type = "riscv,sv48";
> +			next-level-cache = <&l2c2>;
> +			reg = <0x4>;
> +			riscv,isa = "rv64imafdch";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "h", "zicntr",
> +					       "zicsr", "zifencei", "zihintpause", "zihpm",
> +					       "zba", "zbb", "zbs", "sscofpmf";
> +			tlb-split;
> +
> +			cpu4_intc: interrupt-controller {
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +				#interrupt-cells = <1>;
> +			};
> +		};
> +
> +		cpu5: cpu at 5 {
> +			compatible = "starfive,dubhe-90", "riscv";
> +			capacity-dmips-mhz = <1024>;
> +			d-cache-block-size = <64>;
> +			d-cache-sets = <1024>;
> +			d-cache-size = <65536>;
> +			d-tlb-sets = <1>;
> +			d-tlb-size = <48>;
> +			device_type = "cpu";
> +			i-cache-block-size = <64>;
> +			i-cache-sets = <1024>;
> +			i-cache-size = <65536>;
> +			i-tlb-sets = <1>;
> +			i-tlb-size = <48>;
> +			mmu-type = "riscv,sv48";
> +			next-level-cache = <&l2c2>;
> +			reg = <0x5>;
> +			riscv,isa = "rv64imafdch";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "h", "zicntr",
> +					       "zicsr", "zifencei", "zihintpause", "zihpm",
> +					       "zba", "zbb", "zbs", "sscofpmf";
> +			tlb-split;
> +
> +			cpu5_intc: interrupt-controller {
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +				#interrupt-cells = <1>;
> +			};
> +		};
> +
> +		cpu-map {
> +			cluster0 {
> +				core0 {
> +					cpu = <&cpu0>;
> +				};
> +			};
> +
> +			cluster1 {
> +				core0 {
> +					cpu = <&cpu1>;
> +				};
> +			};
> +
> +			cluster2 {
> +				core0 {
> +					cpu = <&cpu2>;
> +				};
> +
> +				core1 {
> +					cpu = <&cpu3>;
> +				};
> +
> +				core2 {
> +					cpu = <&cpu4>;
> +				};
> +
> +				core3 {
> +					cpu = <&cpu5>;
> +				};
> +			};
> +		};
> +
> +		l2c0: cache-controller-0 {
> +			compatible = "cache";
> +			cache-block-size = <64>;
> +			cache-level = <2>;
> +			cache-sets = <512>;
> +			cache-size = <0x40000>;
> +			cache-unified;
> +			next-level-cache = <&l3_cache>;
> +		};
> +
> +		l2c1: cache-controller-1 {
> +			compatible = "cache";
> +			cache-block-size = <64>;
> +			cache-level = <2>;
> +			cache-sets = <512>;
> +			cache-size = <0x40000>;
> +			cache-unified;
> +			next-level-cache = <&l3_cache>;
> +		};
> +
> +		l2c2: cache-controller-2{
> +			compatible = "cache";
> +			cache-block-size = <64>;
> +			cache-level = <2>;
> +			cache-sets = <4096>;
> +			cache-size = <0x200000>;
> +			cache-unified;
> +			next-level-cache = <&l3_cache>;
> +		};
> +
> +		l3_cache: cache-controller-3 {
> +			compatible = "cache";
> +			cache-block-size = <64>;
> +			cache-level = <3>;
> +			cache-sets = <8192>;
> +			cache-size = <0x400000>;
> +			cache-unified;
> +		};
> +	};
> +
> +	clk_uart: clk-uart {
> +		compatible = "fixed-clock"; /* Initial clock handler for UART */
> +		#clock-cells = <0>;
> +		clock-frequency = <24000000>;
> +	};
> +
> +	soc {
> +		compatible = "simple-bus";
> +		interrupt-parent = <&plic>;
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +
> +		clint: clint at 2000000 {
> +			compatible = "starfive,jh8100-clint", "sifive,clint0";
> +			reg = <0x0 0x2000000 0x0 0x10000>;
> +			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
> +					      <&cpu1_intc 3>, <&cpu1_intc 7>,
> +					      <&cpu2_intc 3>, <&cpu2_intc 7>,
> +					      <&cpu3_intc 3>, <&cpu3_intc 7>,
> +					      <&cpu4_intc 3>, <&cpu4_intc 7>,
> +					      <&cpu5_intc 3>, <&cpu5_intc 7>;
> +		};
> +
> +		plic: interrupt-controller at c000000 {
> +			#interrupt-cells = <1>;
> +			#address-cells = <0>;
> +			compatible = "starfive,jh8100-plic", "sifive,plic-1.0.0";
> +			reg = <0x0 0x0c000000 0x0 0x4000000>;
> +			riscv,ndev = <200>;
> +			interrupt-controller;
> +			interrupts-extended = <&cpu0_intc 11>, <&cpu1_intc 11>,
> +					      <&cpu0_intc 9>, <&cpu1_intc 9>,
> +					      <&cpu2_intc 11>, <&cpu3_intc 11>,
> +					      <&cpu4_intc 11>, <&cpu5_intc 11>,
> +					      <&cpu2_intc 9>, <&cpu3_intc 9>,
> +					      <&cpu4_intc 9>, <&cpu5_intc 9>;
> +		};
> +
> +		uart0: serial at 12160000 {
> +			compatible = "starfive,jh8100-uart", "cdns,uart-r1p8";
> +			reg = <0x0 0x12160000 0x0 0x10000>;
> +			clock-names = "uart_clk", "pclk";
> +			clocks = <&clk_uart>, <&clk_uart>;
> +			interrupts = <67>;
> +			status = "disabled";
> +		};
> +
> +		uart1: serial at 12170000  {
> +			compatible = "starfive,jh8100-uart", "cdns,uart-r1p8";
> +			reg = <0x0 0x12170000 0x0 0x10000>;
> +			clock-names = "uart_clk", "pclk";
> +			clocks = <&clk_uart>, <&clk_uart>;
> +			interrupts = <68>;
> +			status = "disabled";
> +		};
> +
> +		uart2: serial at 12180000  {
> +			compatible = "starfive,jh8100-uart", "cdns,uart-r1p8";
> +			reg = <0x0 0x12180000 0x0 0x10000>;
> +			clock-names = "uart_clk", "pclk";
> +			clocks = <&clk_uart>, <&clk_uart>;
> +			interrupts = <69>;
> +			status = "disabled";
> +		};
> +
> +		uart3: serial at 12190000  {
> +			compatible = "starfive,jh8100-uart", "cdns,uart-r1p8";
> +			reg = <0x0 0x12190000 0x0 0x10000>;
> +			clock-names = "uart_clk", "pclk";
> +			clocks = <&clk_uart>, <&clk_uart>;
> +			interrupts = <70>;
> +			status = "disabled";
> +		};
> +
> +		uart4: serial at 121a0000  {
> +			compatible = "starfive,jh8100-uart", "cdns,uart-r1p8";
> +			reg = <0x0 0x121a0000 0x0 0x10000>;
> +			clock-names = "uart_clk", "pclk";
> +			clocks = <&clk_uart>, <&clk_uart>;
> +			interrupts = <71>;
> +			status = "disabled";
> +		};
> +
> +		uart5: serial at 127d0000  {
> +			compatible = "starfive,jh8100-uart", "cdns,uart-r1p8";
> +			reg = <0x0 0x127d0000 0x0 0x10000>;
> +			clock-names = "uart_clk", "pclk";
> +			clocks = <&clk_uart>, <&clk_uart>;
> +			interrupts = <72>;
> +			status = "disabled";
> +		};
> +
> +		uart6: serial at 127e0000  {
> +			compatible = "starfive,jh8100-uart", "cdns,uart-r1p8";
> +			reg = <0x0 0x127e0000 0x0 0x10000>;
> +			clock-names = "uart_clk", "pclk";
> +			clocks = <&clk_uart>, <&clk_uart>;
> +			interrupts = <73>;
> +			status = "disabled";
> +		};
> +	};
> +};



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