From b01adfe59d16cbb426e2260f241b37c8a0235076 Mon Sep 17 00:00:00 2001
From: Tim Lunn <tim@feathertop.org>
Date: Tue, 31 Oct 2023 13:07:15 +1100
Subject: [PATCH] rockchip: rv1126: Read cpuid from otp and set ethaddr
Provide configuration to read cpuid and generate a persistent
MAC address in ethaddr
Signed-off-by: Tim Lunn <tim@feathertop.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
---
arch/arm/dts/rv1126-u-boot.dtsi | 12 ++++++++++++
arch/arm/mach-rockchip/Kconfig | 2 ++
2 files changed, 14 insertions(+)
diff --git a/arch/arm/dts/rv1126-u-boot.dtsi b/arch/arm/dts/rv1126-u-boot.dtsi
index 918c307743..4485980135 100644
--- a/arch/arm/dts/rv1126-u-boot.dtsi
+++ b/arch/arm/dts/rv1126-u-boot.dtsi
@@ -15,6 +15,18 @@
compatible = "rockchip,rv1126-dmc";
bootph-all;
};
+
+ otp: otp@ff5c0000 {
+ compatible = "rockchip,rv1126-otp";
+ reg = <0xff5c0000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ status = "okay";
+
+ cpu_id: id@7 {
+ reg = <0x07 0x10>;
+ };
+ };
};
&gpio0 {
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index a6c69c300d..5e993383cf 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -359,6 +359,8 @@ config ROCKCHIP_RV1126
select BOARD_LATE_INIT
imply ROCKCHIP_COMMON_BOARD
imply OF_LIBFDT_OVERLAY
+ imply ROCKCHIP_OTP
+ imply MISC_INIT_R
imply TPL_DM
imply TPL_LIBCOMMON_SUPPORT
imply TPL_LIBGENERIC_SUPPORT
--
2.39.5