From patchwork Mon Jun 8 22:50:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Robinson X-Patchwork-Id: 241944 List-Id: U-Boot discussion From: pbrobinson at gmail.com (Peter Robinson) Date: Mon, 8 Jun 2020 23:50:28 +0100 Subject: [PATCH 1/3] rockchip: Pinebook Pro: enable rng to provide an entropy source Message-ID: <20200608225030.481733-1-pbrobinson@gmail.com> Enable the rng so UEFI can provide entropy for KASLR Signed-off-by: Peter Robinson Reviewed-by: Kever Yang --- 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