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

From: Shengyu Qu
Date: Fri Dec 08 2023 - 07:09:20 EST

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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@xxxxxxxxxxxxxxxx>
Reviewed-by: Ley Foon Tan <leyfoon.tan@xxxxxxxxxxxxxxxx>
---
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@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@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@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@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@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@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@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@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@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@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@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@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@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@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@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@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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