Add the rk3328 rng details to the u-boot.dtsi and enable the RNG on the Rock64 to be able to provide a rnadom seed via UEFI.
Signed-off-by: Peter Robinson pbrobinson@gmail.com ---
The DT snippet will allow this to be enabled on other rk3328 devices but I only have the Rock54 to test on.
arch/arm/dts/rk3328-u-boot.dtsi | 6 ++++++ configs/rock64-rk3328_defconfig | 2 ++ 2 files changed, 8 insertions(+)
diff --git a/arch/arm/dts/rk3328-u-boot.dtsi b/arch/arm/dts/rk3328-u-boot.dtsi index ce96ce40a73..a9f2536de2a 100644 --- a/arch/arm/dts/rk3328-u-boot.dtsi +++ b/arch/arm/dts/rk3328-u-boot.dtsi @@ -26,6 +26,12 @@ 0x0 0xff720000 0x0 0x1000 0x0 0xff798000 0x0 0x1000>; }; + + rng: rng@ff060000 { + compatible = "rockchip,cryptov1-rng"; + reg = <0x0 0xff060000 0x0 0x4000>; + status = "okay"; + }; };
&cru { diff --git a/configs/rock64-rk3328_defconfig b/configs/rock64-rk3328_defconfig index 97ac8734d1b..1820deee373 100644 --- a/configs/rock64-rk3328_defconfig +++ b/configs/rock64-rk3328_defconfig @@ -77,6 +77,8 @@ CONFIG_MISC=y CONFIG_ROCKCHIP_EFUSE=y CONFIG_MMC_DW=y CONFIG_MMC_DW_ROCKCHIP=y +CONFIG_DM_RNG=y +CONFIG_RNG_ROCKCHIP=y CONFIG_SPI_FLASH_GIGADEVICE=y CONFIG_ETH_DESIGNWARE=y CONFIG_GMAC_ROCKCHIP=y