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rockchip: rk3308: Enable random generator

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The RK3308 SoC contain a crypto engine block that can generate random
numbers.

Add rng node to soc u-boot.dtsi and enable Kconfig options to take
advantage of the random generator.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Jonas Karlman
2024-04-08 18:14:02 +00:00
committed by Kever Yang
parent 9ae4a86f1e
commit eaea9b4816
2 changed files with 7 additions and 0 deletions
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5
arch/arm/dts/rk3308-u-boot.dtsi
View File

@@ -26,6 +26,11 @@
reg = <0x07 0x10>;
};
};
rng: rng@ff2f0000 {
compatible = "rockchip,cryptov2-rng";
reg = <0x0 0xff2f0000 0x0 0x4000>;
};
};
&cru {

2
arch/arm/mach-rockchip/Kconfig
View File

@@ -162,9 +162,11 @@ config ROCKCHIP_RK3308
select SPL_LOAD_FIT
imply ARMV8_CRYPTO
imply ARMV8_SET_SMPEN
imply DM_RNG
imply LEGACY_IMAGE_FORMAT
imply MISC
imply MISC_INIT_R
imply RNG_ROCKCHIP
imply ROCKCHIP_COMMON_BOARD
imply ROCKCHIP_OTP
imply SPL_CLK