[PATCH 2/2] rockchip: rv1126: Read cpuid from otp and set ethaddr

Kever Yang kever.yang at rock-chips.com
Tue Nov 7 05:03:37 CET 2023


On 2023/10/31 10:07, Tim Lunn wrote:
> Provide configuration to read cpuid and generate a persistant
> MAC address in ethaddr
>
> Signed-off-by: Tim Lunn <tim at feathertop.org>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/dts/rv1126-u-boot.dtsi | 12 ++++++++++++
>   arch/arm/mach-rockchip/Kconfig  |  2 ++
>   2 files changed, 14 insertions(+)
>
> diff --git a/arch/arm/dts/rv1126-u-boot.dtsi b/arch/arm/dts/rv1126-u-boot.dtsi
> index 5e348278f2..811a3cee98 100644
> --- a/arch/arm/dts/rv1126-u-boot.dtsi
> +++ b/arch/arm/dts/rv1126-u-boot.dtsi
> @@ -15,6 +15,18 @@
>   		compatible = "rockchip,rv1126-dmc";
>   		bootph-all;
>   	};
> +
> +	otp: otp at ff5c0000 {
> +		compatible = "rockchip,rv1126-otp";
> +		reg = <0xff5c0000 0x1000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		status = "okay";
> +
> +		cpu_id: id at 7 {
> +			reg = <0x07 0x10>;
> +		};
> +	};
>   };
>   
>   &gpio0 {
> diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
> index a6c69c300d..5e993383cf 100644
> --- a/arch/arm/mach-rockchip/Kconfig
> +++ b/arch/arm/mach-rockchip/Kconfig
> @@ -359,6 +359,8 @@ config ROCKCHIP_RV1126
>   	select BOARD_LATE_INIT
>   	imply ROCKCHIP_COMMON_BOARD
>   	imply OF_LIBFDT_OVERLAY
> +	imply ROCKCHIP_OTP
> +	imply MISC_INIT_R
>   	imply TPL_DM
>   	imply TPL_LIBCOMMON_SUPPORT
>   	imply TPL_LIBGENERIC_SUPPORT


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