There will be no log in cbmem if we trigger ec reset on bootblock
stage. Therefore, call dcache_clean_all() before triggering ec
reset to flush cache to store logs on cbmem.
BUG=b:207743045
TEST=show logs on cbmem
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I1bd900beb4cc84f7121c5fb66907fa73b62517fa
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59683
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>