On Thu, Jan 29, 2026 at 05:46:43PM -0800, Vagrant Cascadian wrote: >Thanks for adding support for rk3588 MNT Reform2! > >I tried using u-boot 2026.01 with the rk3588 MNT Reform2, but it only >gets as far as SPL, and then fails: > > U-Boot SPL 2026.01 (Jan 01 1970 - 00:00:01 +0000) > Trying to boot from MMC1 > mmc_load_image_raw_sector: mmc block read error > Error: -38 > SPL: Unsupported Boot Device! > SPL: failed to boot from all boot devices > ### ERROR ### Please RESET the board ### > >I *think* MMC1 is eMMC, which I currently have blanked, as recovering >from a failed install on eMMC is trickier. > >The vendor u-boot works fine on either eMMC or SD. > >Any suggestions to get it to support booting off SD card?
Please check whether you have this patch in your tree: commit c4f5b1d4b037beeb538cf6dee0a16cd196539273 Revert "mmc: mmc-uclass: Use max-frequency from device tree with default handling" This reverts commit aebb523a23818a8ee4199c9532b51e3d4020696f. Regards Peng > >live well, > vagrant
