diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/intel/fsp2_0/silicon_init.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/drivers/intel/fsp2_0/silicon_init.c b/src/drivers/intel/fsp2_0/silicon_init.c index 6a2a73dbb9..3975a96111 100644 --- a/src/drivers/intel/fsp2_0/silicon_init.c +++ b/src/drivers/intel/fsp2_0/silicon_init.c @@ -90,13 +90,17 @@ static void do_silicon_init(struct fsp_header *hdr) fsp_verify_upd_header_signature(supd->FspUpdHeader.Signature, FSPS_UPD_SIGNATURE); - /* Disallow invalid config regions. Default settings are likely bad - * choices for coreboot, and different sized UPD from what the region - * allows is potentially a build problem. + /* FSPS UPD and coreboot structure sizes should match. However, enforcing the exact + * match mandates simultaneous updates to coreboot and FSP repos. Allow coreboot + * to proceed if its UPD structure is smaller than FSP one to enable staggered UPD + * update process on both sides. The mismatch indicates a temporary build problem, + * don't leave it like this as FSP default settings can be bad choices for coreboot. */ - if (!hdr->cfg_region_size || hdr->cfg_region_size != sizeof(FSPS_UPD)) + if (!hdr->cfg_region_size || hdr->cfg_region_size < sizeof(FSPS_UPD)) die_with_post_code(POST_INVALID_VENDOR_BINARY, "Invalid FSPS UPD region\n"); + else if (hdr->cfg_region_size > sizeof(FSPS_UPD)) + printk(BIOS_ERR, "FSP and coreboot are out of sync! FSPS UPD size > coreboot\n"); upd = xmalloc(hdr->cfg_region_size); |