Mity CPU Platforms » MitySOM-AM62, MitySOM-AM62A, & MitySOM-AM62P

07/10/2026

JC 08:15 PM Software Development: RE: AM62A: Getting the Splash Screen to Appear Earlier

Okay good to hear. Jonathan Cormier

HW 08:05 PM Software Development: RE: AM62A: Getting the Splash Screen to Appear Earlier

The changes work great, got it working with our display no problem!
I see what you mean with the scrambled splashscreen, I was going to start following the documentation for handing the frame buffer off to Linux and see what happens w... Holden Wozniak

JC 04:06 PM Software Development: RE: Getting the Splash Screen to Appear Earlier

https://support.criticallink.com/gitweb/?p=u-boot-ti.git;a=shortlog;h=refs/heads/2025.01-am62a-hdmi-splash
Here are my changes so far, pushed to a test branch, please test it and let me know.
This loads a splash.bmp.gz from the boo... Jonathan Cormier

07/09/2026

JC 08:01 PM Software Development: RE: Getting the Splash Screen to Appear Earlier

I have made some good progress on this today. I've got to do some cleanup but i'll try to push a test branch for you to test. Note i'm using our devkit with the hdmi output but I believe switching to your touchscreen should be straight... Jonathan Cormier

JC 01:27 PM Software Development: RE: Getting the Splash Screen to Appear Earlier

Note one thing I ran into is the ti-dss driver in 2025 u-boot, doesn't currently support switching to video port 1 (where the 62a connected the VOUT pins). There is a upstream patch to add this support so I'm testing if it can be backpo... Jonathan Cormier

HW 12:54 PM Software Development: RE: Getting the Splash Screen to Appear Earlier

I am also attaching the Linux dts, I know the bindings are a little different for the u-boot drivers so I tried to match as closely as possible for the panel and backlight nodes Holden Wozniak

07/08/2026

JC 07:50 PM Software Development: RE: Getting the Splash Screen to Appear Earlier

Can you share the changes you've made so far as a patch/diff? Jonathan Cormier

HW 06:57 PM Software Development: RE: Getting the Splash Screen to Appear Earlier

I was able to create nodes in the u-boot device tree for my panel, pwm-backlight, and the video driver (dss).
In drivers/video/tidss/tidss_drv.c added the compatible line for the am62a7 so the tidss driver can bind properly Holden Wozniak