iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

riscv: dts: sophgo: add Huashan Pi board device tree

Browse Source 
Add initial device tree files for the Huashan Pi board.

Note: The boot of CV1812H chip needs a rtos firmware for coprocessor to
function properly. To make the soc happy, reserved the last 2M memory
for the rtos firmware.

Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Link: https://en.sophgo.com/product/introduce/huashan.html
Link: https://en.sophgo.com/product/introduce/cv181xH.html
Link: https://github.com/milkv-duo/duo-buildroot-sdk/blob/develop/build/boards/cv181x/cv1812h_wevb_0007a_emmc_huashan/memmap.py#L15
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
This commit is contained in:
Inochi Amaoto 2023-10-19 07:18:54 +08:00 committed by Conor Dooley
parent 681ec684a7
commit 2c36b0cfb4
2 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/riscv/boot/dts/sophgo/Makefile
View File

@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb
dtb-$(CONFIG_ARCH_SOPHGO) += cv1812h-huashan-pi.dtb
dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb

48
arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts Normal file
View File

@ -0,0 +1,48 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
*/
/dts-v1/;
#include "cv1812h.dtsi"
/ {
model = "Huashan Pi";
compatible = "sophgo,huashan-pi", "sophgo,cv1812h";
aliases {
gpio0 = &gpio0;
gpio1 = &gpio1;
gpio2 = &gpio2;
gpio3 = &gpio3;
serial0 = &uart0;
serial1 = &uart1;
serial2 = &uart2;
serial3 = &uart3;
serial4 = &uart4;
};
chosen {
stdout-path = "serial0:115200n8";
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
coprocessor_rtos: region@8fe00000 {
reg = <0x8fe00000 0x200000>;
no-map;
};
};
};
&osc {
clock-frequency = <25000000>;
};
&uart0 {
status = "okay";
};