diff mbox series

[v4,7/7] riscv: dts: sophgo: add Huashan Pi board device tree

Message ID IA1PR20MB49539882B957DF39AD77E539BBD5A@IA1PR20MB4953.namprd20.prod.outlook.com
State New
Headers
Series Add Huashan Pi board support |

Commit Message

Inochi Amaoto Oct. 18, 2023, 11:18 p.m. UTC 
  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>
---
 arch/riscv/boot/dts/sophgo/Makefile           |  1 +
 .../boot/dts/sophgo/cv1812h-huashan-pi.dts    | 48 +++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts

--
2.42.0

Comments

Chen Wang Oct. 19, 2023, noon UTC | #1 
On 2023/10/19 7:18, Inochi Amaoto wrote:
> 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>

LGTM.

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

> ---
>   arch/riscv/boot/dts/sophgo/Makefile           |  1 +
>   .../boot/dts/sophgo/cv1812h-huashan-pi.dts    | 48 +++++++++++++++++++
>   2 files changed, 49 insertions(+)
>   create mode 100644 arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
>
> diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile
> index 3fb65512c631..57ad82a61ea6 100644
> --- a/arch/riscv/boot/dts/sophgo/Makefile
> +++ b/arch/riscv/boot/dts/sophgo/Makefile
> @@ -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
> diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
> new file mode 100644
> index 000000000000..aa361f3a86bb
> --- /dev/null
> +++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
> @@ -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";
> +};
> --
> 2.42.0
>
diff mbox series

Patch

diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile
index 3fb65512c631..57ad82a61ea6 100644
--- a/arch/riscv/boot/dts/sophgo/Makefile
+++ b/arch/riscv/boot/dts/sophgo/Makefile
@@ -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
diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
new file mode 100644
index 000000000000..aa361f3a86bb
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
@@ -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";
+};