On Wed, May 04, 2016 at 10:45:09PM -0500, Derald D. Woods wrote:
Hi Tom,
Is anyone still attempting to boot the OMAP 3530 BeagleBoard with U-Boot master?
Yes, but...
In order to boot my BeagleBoard Rev. C4, I need to basically undefine CONFIG_SPL_EXT_SUPPORT and CONFIG_SYS_THUMB_BUILD.
There is some background in this old thread from last year:
The thread ended without an apparent solution.
What does work is this patch from EEWiki:
If there is some additional useful information, I would be happy to take a look.
I use the board for testing generic code intended for other OMAP3 systems.
So, here's where things are hard, and well, arg. I really don't want to throw out SPL_EXT support from beagleboard as that's one of the generic distro features which is used by distros.
So here's what I've come up with. For older (pre gcc-6.x) toolchains, with the patch that I will do for the next release to allow maximizing the download space, shuffling some of board/ti/beagle/beagle.c around to hide some functions (and _strings_ most importantly) that we don't need in SPL to shove under !CONFIG_SPL_BUILD, disabling falcon mode and SPL I2C (we initialize but don't appear to use in this case) and dropping ISO partition support (strings and we don't need in this case), I can get omap3_beagle back into size constraints with thumb build disabled. We appear to have all of the required errata enabled but it's also a known nest of problems to get the right ones on (or disabled) depending on exact CPU revision.