[PATCH 1/3] rockchip: Pinebook Pro: enable rng to provide an entropy source

[Kever Yang]

On 2020/6/9 上午6:50, Peter Robinson wrote:
> Enable the rng so UEFI can provide entropy for KASLR
>
> Signed-off-by: Peter Robinson <pbrobinson at gmail.com>

Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever

> ---
>   arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi | 4 ++++
>   arch/arm/dts/rk3399-rockpro64-u-boot.dtsi    | 4 ++++
>   configs/pinebook-pro-rk3399_defconfig        | 2 ++
>   3 files changed, 10 insertions(+)
>
> diff --git a/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi b/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
> index 1a2e24d3ef..296321d697 100644
> --- a/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
> +++ b/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
> @@ -24,6 +24,10 @@
>   	u-boot,dm-pre-reloc;
>   };
>   
> +&rng {
> +	status = "okay";
> +};
> +
>   &sdhci {
>   	max-frequency = <25000000>;
>   	u-boot,dm-pre-reloc;
> diff --git a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi b/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> index bac09df4a3..cb8991aa25 100644
> --- a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> +++ b/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> @@ -19,6 +19,10 @@
>   	};
>   };
>   
> +&rng {
> +	status = "okay";
> +};
> +
>   &spi1 {
>   	spi_flash: flash at 0 {
>   		u-boot,dm-pre-reloc;
> diff --git a/configs/pinebook-pro-rk3399_defconfig b/configs/pinebook-pro-rk3399_defconfig
> index 0c129b9aeb..21eecf477c 100644
> --- a/configs/pinebook-pro-rk3399_defconfig
> +++ b/configs/pinebook-pro-rk3399_defconfig
> @@ -54,6 +54,8 @@ CONFIG_DM_PMIC_FAN53555=y
>   CONFIG_PMIC_RK8XX=y
>   CONFIG_REGULATOR_PWM=y
>   CONFIG_REGULATOR_RK8XX=y
> +CONFIG_DM_RNG=y
> +CONFIG_RNG_ROCKCHIP=y
>   CONFIG_PWM_ROCKCHIP=y
>   CONFIG_RAM_RK3399_LPDDR4=y
>   CONFIG_DM_RESET=y