[PATCH 05/13] rockchip: rk3308: Enable random generator
Jonas Karlman
jonas at kwiboo.se
Sat Mar 16 23:56:31 CET 2024
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 at kwiboo.se>
---
arch/arm/dts/rk3308-u-boot.dtsi | 5 +++++
arch/arm/mach-rockchip/Kconfig | 2 ++
2 files changed, 7 insertions(+)
diff --git a/arch/arm/dts/rk3308-u-boot.dtsi b/arch/arm/dts/rk3308-u-boot.dtsi
index 396fefb743cf..d6c71f62bc93 100644
--- a/arch/arm/dts/rk3308-u-boot.dtsi
+++ b/arch/arm/dts/rk3308-u-boot.dtsi
@@ -21,6 +21,11 @@
reg = <0x07 0x10>;
};
};
+
+ rng: rng at ff2f0000 {
+ compatible = "rockchip,cryptov2-rng";
+ reg = <0x0 0xff2f0000 0x0 0x4000>;
+ };
};
&cru {
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 6e07a70bf4ae..fa5917236a43 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -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
--
2.43.2
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