> In case the iMX8M boot from eMMC boot partition and the primary image > is corrupted, the BootROM is capable of starting a secondary image in > the other eMMC boot partition as a fallback. > However, the BootROM leaves the eMMC BOOT_PARTITION_ENABLE setting as > it was, i.e. pointing to the boot partition containing the corrupted > image, and the BootROM does not provide any indication that this sort > of fallback occured. > According to AN12853 i.MX ROMs Log Events, Rev. 0, May 2020, it is > possible to determine whether fallback event occurred by parsing the > ROM event log. In case ROM event ID 0x51 is present, fallback event > did occur. > This patch implements ROM event log parsing and search for event ID > 0x51 for all iMX8M SoCs, and based on that corrects the eMMC boot > partition selection. This way, the SPL loads the remaining boot > components from the same eMMC boot partition from which it was > started, even in case of the fallback. > Signed-off-by: Marek Vasut <[email protected]> > Cc: Faiz Abbas <[email protected]> > Cc: Harald Seiler <[email protected]> > Cc: Lokesh Vutla <[email protected]> > Cc: Simon Glass <[email protected]> > Cc: Fabio Estevam <[email protected]> > Cc: Peng Fan <[email protected]> > Cc: Stefano Babic <[email protected]> > Cc: Ye Li <[email protected]> Applied to u-boot-imx, master, thanks !
Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected] =====================================================================
