Yocto Linux BSP Ver.A User Guide for ROM-5722 Dual Lite

Prerequisites

follow Yocto Linux BSP Ver.A User Guide for iMX8 series to build a ROM-5722 image ...

Get_BSP

specify manifest file to imx8LBVA1021.xml

Build Instructions

MC=imx8mprom5722a1

UC=4G

set u-boot-imx for ROM-5722 Dual Lite

convert u-boot-imx into development stage in yocto environment

devtool modify u-boot-imx

change current directory to build/workspace/sources/u-boot-imx

modify arch/arm/mach-imx/imx8m/soc.c

patch -p1 << END_OF_PATCH
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index c55ea8df7d..11a442befa 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -799,7 +799,12 @@ int disable_vpu_nodes(void *blob)
 	const char *nodes_path_8mp[] = {
 		"/vpu_g1@38300000",
 		"/vpu_g2@38310000",
-		"/vpu_vc8000e@38320000"
+		"/vpu_vc8000e@38320000",
+		"/soc@0/blk-ctl@38330000",
+		"/soc@0/bus@30000000/gpc@303a0000/pgc/power-domain@19",
+		"/soc@0/bus@30000000/gpc@303a0000/pgc/power-domain@20",
+		"/soc@0/bus@30000000/gpc@303a0000/pgc/power-domain@21",
+		"/soc@0/bus@30000000/gpc@303a0000/pgc/power-domain@22"
 	};

 	if (is_imx8mq())
END_OF_PATCH

change back to the original build directory, and build u-boot-imx again

bitbake u-boot-imx

set linux-imx for ROM-5722 Dual Lite

set development environment for linux-imx

devtool modify linux-imx

change current directory to build/workspace/sources/linux-imx modify arch/arm64/boot/dts/freescale/imx8mp-rom5722-a1.dts

patch -p1 << END_OF_PATCH
END_OF_PATCH

change back to the original build directory

bitbake linux-imx