lkml.org 
[lkml]   [2023]   [Oct]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v2 4/5] riscv: dts: sophgo: add initial CV1800B SoC device tree
From

On 2023/10/6 20:14, Jisheng Zhang wrote:
> Add initial device tree for the CV1800B RISC-V SoC by SOPHGO.
>
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>

Acked-by: Chen Wang <unicorn_wang@outlook.com>

Thanks, Chen
> ---
> arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 123 ++++++++++++++++++++++++
> 1 file changed, 123 insertions(+)
> create mode 100644 arch/riscv/boot/dts/sophgo/cv1800b.dtsi
>
> diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> new file mode 100644
> index 000000000000..df40e87ee063
> --- /dev/null
> +++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> @@ -0,0 +1,123 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
> + */
> +
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> + compatible = "sophgo,cv1800b";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + cpus: cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + timebase-frequency = <25000000>;
> +
> + cpu0: cpu@0 {
> + compatible = "thead,c906", "riscv";
> + device_type = "cpu";
> + reg = <0>;
> + d-cache-block-size = <64>;
> + d-cache-sets = <512>;
> + d-cache-size = <65536>;
> + i-cache-block-size = <64>;
> + i-cache-sets = <128>;
> + i-cache-size = <32768>;
> + mmu-type = "riscv,sv39";
> + riscv,isa = "rv64imafdc";
> + riscv,isa-base = "rv64i";
> + riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
> + "zifencei", "zihpm";
> +
> + cpu0_intc: interrupt-controller {
> + compatible = "riscv,cpu-intc";
> + interrupt-controller;
> + #address-cells = <0>;
> + #interrupt-cells = <1>;
> + };
> + };
> + };
> +
> + osc: oscillator {
> + compatible = "fixed-clock";
> + clock-output-names = "osc_25m";
> + #clock-cells = <0>;
> + };
> +
> + soc {
> + compatible = "simple-bus";
> + interrupt-parent = <&plic>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + dma-noncoherent;
> + ranges;
> +
> + uart0: serial@4140000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x04140000 0x100>;
> + interrupts = <44 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&osc>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + status = "disabled";
> + };
> +
> + uart1: serial@4150000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x04150000 0x100>;
> + interrupts = <45 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&osc>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + status = "disabled";
> + };
> +
> + uart2: serial@4160000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x04160000 0x100>;
> + interrupts = <46 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&osc>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + status = "disabled";
> + };
> +
> + uart3: serial@4170000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x04170000 0x100>;
> + interrupts = <47 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&osc>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + status = "disabled";
> + };
> +
> + uart4: serial@41c0000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x041c0000 0x100>;
> + interrupts = <48 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&osc>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + status = "disabled";
> + };
> +
> + plic: interrupt-controller@70000000 {
> + compatible = "sophgo,cv1800b-plic", "thead,c900-plic";
> + reg = <0x70000000 0x4000000>;
> + interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
> + interrupt-controller;
> + #address-cells = <0>;
> + #interrupt-cells = <2>;
> + riscv,ndev = <101>;
> + };
> +
> + clint: timer@74000000 {
> + compatible = "sophgo,cv1800b-clint", "thead,c900-clint";
> + reg = <0x74000000 0x10000>;
> + interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
> + };
> + };
> +};

\
 
 \ /
  Last update: 2023-10-07 14:43    [W:0.210 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site