[WIP] add support for ROCK 3 Compute Module Industrial / Radxa E25

how to build: export BL31=path/to/rk3568_bl31_v1.28.elf # v1.29 and later don't work make CROSS_COMPILE=aarch64-linux-gnu- radxa-e25-rk3568_defconfig all ./tools/mkimage -n rk3568 -T rksd -d path/to/rk3568_ddr_1056MHz_vX.XX.bin:spl/u-boot-spl.bin idbloader.img Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
RadxaNaoki · Dec 31, 2022 · e5828f9 · e5828f9
1 parent 404d220
commit e5828f9
Show file tree

Hide file tree

Showing 4 changed files with 665 additions and 1 deletion.
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
@@ -165,7 +165,8 @@ dtb-$(CONFIG_ROCKCHIP_RK3399) += \
 
 dtb-$(CONFIG_ROCKCHIP_RK3568) += \
 	rk3566-radxa-cm3-sodimm-io.dtb \
-	rk3568-evb.dtb
+	rk3568-evb.dtb \
+	rk3568-radxa-e25.dtb
 
 dtb-$(CONFIG_ROCKCHIP_RV1108) += \
 	rv1108-elgin-r1.dtb \

diff --git a/arch/arm/dts/rk3568-radxa-e25-u-boot.dtsi b/arch/arm/dts/rk3568-radxa-e25-u-boot.dtsi
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Radxa Limited
+ */
+
+#include "rk356x-u-boot.dtsi"
+
+/ {
+	chosen {
+		stdout-path = &uart2;
+		u-boot,spl-boot-order = "same-as-spl", &sdmmc0, &sdhci;
+	};
+};
+
+&uart2 {
+	clock-frequency = <24000000>;
+	u-boot,dm-spl;
+	status = "okay";
+};