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authorJonas Karlman <jonas@kwiboo.se>2024-04-08 18:14:02 +0000
committerKever Yang <kever.yang@rock-chips.com>2024-04-26 15:47:03 +0800
commiteaea9b48168f4e9be405f64be8fd7afc934525fa (patch)
tree63aac2a50b4bb5c39c13f5c7503e7b6facd0622b
parent9ae4a86f1ebfac0fd8a901a615e3856e88ff0e72 (diff)
rockchip: rk3308: Enable random generator
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>
-rw-r--r--arch/arm/dts/rk3308-u-boot.dtsi5
-rw-r--r--arch/arm/mach-rockchip/Kconfig2
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/dts/rk3308-u-boot.dtsi b/arch/arm/dts/rk3308-u-boot.dtsi
index 436f66d1b87..fa31c838d34 100644
--- a/arch/arm/dts/rk3308-u-boot.dtsi
+++ b/arch/arm/dts/rk3308-u-boot.dtsi
@@ -26,6 +26,11 @@
reg = <0x07 0x10>;
};
};
+
+ rng: rng@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 2707d3fdfb3..c17dbb615c2 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