Difference between revisions of "Winhbw"
From ESS-WIKI
(→config u-boot-imx) |
|||
| Line 73: | Line 73: | ||
pushd workspace/sources/linux-imx | pushd workspace/sources/linux-imx | ||
| − | # use vi/vim to create one patch | + | # use vi/vim to create one patch |
</syntaxhighlight> | </syntaxhighlight> | ||
<div style="margin-left: 2em;"> | <div style="margin-left: 2em;"> | ||
| + | <span style="color:purple">* copy & paste the following text to keep tab char *</span> | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
--- a/arch/arm64/boot/dts/freescale/imx8mp-rom5722-a1.dts | --- a/arch/arm64/boot/dts/freescale/imx8mp-rom5722-a1.dts | ||
| Line 108: | Line 109: | ||
# check if the modification works well | # check if the modification works well | ||
bitbake linux-imx | bitbake linux-imx | ||
| + | </syntaxhighlight> | ||
| + | |||
| + | = rebuild the image = | ||
| + | <syntaxhighlight lang="bash"> | ||
| + | bitbake imx-image-full | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Revision as of 11:27, 2 July 2024
Prerequisites
refer to Yocto Linux BSP Ver.A User Guide for iMX8 series
use the following settings to build one generic ROM-5722 image for iMX8MP Quad/Dual
- Get_BSP
- specify manifest file to imx8LBVA1021.xml
- Build Instructions
MC=imx8mprom5722a1UC=4G
config u-boot-imx
# development stage
devtool modify u-boot-imx
# modify arch/arm/mach-imx/imx8m/soc.c
pushd workspace/sources/u-boot-imx
# use vi/vim to create one patch
* copy & paste the following text to keep tab char *
--- 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())
patch -p1 < patch && rm patch
popd
# check if the modification works well
bitbake u-boot-imx
config linux-imx
# insert one command into recipe, linux-imx
pushd ../sources/meta-advantech/meta-fsl-imx/recipes-kernel/linux
sed '/do_copy_defconfig_mx8/a \ mkdir -p ${B}' linux-imx_5.4.bbappend
popd
# development stage
devtool modify linux-imx
# modify arch/arm64/boot/dts/freescale/imx8mp-rom5722-a1.dts
pushd workspace/sources/linux-imx
# use vi/vim to create one patch
* copy & paste the following text to keep tab char *
--- a/arch/arm64/boot/dts/freescale/imx8mp-rom5722-a1.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-rom5722-a1.dts
@@ -1302,15 +1302,15 @@
};
&vpu_g1 {
- status = "okay";
+ status = "disabled";
};
&vpu_g2 {
- status = "okay";
+ status = "disabled";
};
&vpu_vc8000e {
- status = "okay";
+ status = "disabled";
};
&gpu_3d {
patch -p1 < patch && rm patch
popd
# check if the modification works well
bitbake linux-imx
rebuild the image
bitbake imx-image-full