e8cfb88d0c
As per Intel Meteor Lake SPI programming doc, the BIOS region should have a read access enabled for device expansion 2 region (aka region 9). This patch ensures that BIOS region is able to read the device expansion 2 region for Intel Meteor Lake platform as known as SPI padding region. BUG=b:274356894 BRANCH=firmware-rex-15709.B TEST=Able to flash screebo AP FW image using flashrom on DUT. Without this patch: > flashrom -p internal -r /tmp/bios.rom flashrom 1.4.0-devel on Linux 6.1.67-09255-ge8ae3115f8b0 (x86_64) ... ... Found Winbond flash chip "W25Q256JW_DTR" (32768 kB, Programmer-specific) on internal. Reading flash... Transaction error between offset 0x0072f000 and 0x0072f03f (= 0x0072f000 + 63)! read_flash: failed to read (0x72f000..0x7fffff). Read operation failed! FAILED. FAILED With this patch: > flashrom -p internal -r /tmp/bios.rom flashrom 1.4.0-devel on Linux 6.1.68-09294-g001fdda5287d (x86_64) ... ... Found Winbond flash chip "W25Q256JW_DTR" (32768 kB, Programmer-specific) on internal. Reading flash... done. SUCCESS Change-Id: I18c44aa9a0f890f01a889247da118b69a58936e8 Signed-off-by: Subrata Banik <subratabanik@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/79902 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kapil Porwal <kapilporwal@google.com> Reviewed-by: Reka Norman <rekanorman@chromium.org> Reviewed-by: Eric Lai <ericllai@google.com> |
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| description.md | ||
| ifdtool.c | ||
| ifdtool.h | ||