Difference between revisions of "HBW test/test"
From ESS-WIKI
(→config u-boot env) |
(→config u-boot env) |
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== config u-boot env == | == config u-boot env == | ||
| − | === | + | === switch to Multi-display or LVDS === |
break countdown in u-boot | break countdown in u-boot | ||
| + | * Multi-display (HDMI + LVDS) | ||
| + | <syntaxhighlight lang="bash"> | ||
| + | setenv list_dbto "gpu-mali.dtbo video.dtbo apusys.dtbo display-hdmi.dtbo display-lvds.dtbo" | ||
| + | </syntaxhighlight> | ||
| + | : note: LVDS is always major display | ||
| + | * LVDS only | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
| − | + | setenv list_dbto "gpu-mali.dtbo video.dtbo apusys.dtbo display-lvds.dtbo" | |
| − | |||
| − | |||
| − | |||
| − | setenv list_dbto "gpu-mali.dtbo video.dtbo apusys.dtbo display- | ||
| − | |||
</syntaxhighlight> | </syntaxhighlight> | ||
Revision as of 11:15, 28 December 2023
Prerequisites
On Host PC
- LVDS panel's EDID config (128 bytes)
- (optional) one utility to edit EDID config
- PTN3460 Programming Guide
On RSB-3810
- i2c-tools installed
sudo apt update
sudo apt install i2c-tools
Convert EDID config to hex value
Convert hex value to i2cset command list
Add i2c command for PTN3460
run the script
flash new firmware.vfat
get and extract update_edid.tgz
tar xvf update_edid.tgz
flash u-boot env & firmware (dtb)
genio-flash mmc0boot1 firmware firmware_b
config u-boot env
switch to Multi-display or LVDS
break countdown in u-boot
- Multi-display (HDMI + LVDS)
setenv list_dbto "gpu-mali.dtbo video.dtbo apusys.dtbo display-hdmi.dtbo display-lvds.dtbo"- note: LVDS is always major display
- LVDS only
setenv list_dbto "gpu-mali.dtbo video.dtbo apusys.dtbo display-lvds.dtbo"