diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/haswell/Kconfig | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/northbridge/intel/haswell/Kconfig b/src/northbridge/intel/haswell/Kconfig index 242ab18c49..e0c55d2f92 100644 --- a/src/northbridge/intel/haswell/Kconfig +++ b/src/northbridge/intel/haswell/Kconfig @@ -27,9 +27,25 @@ config NORTHBRIDGE_INTEL_HASWELL if NORTHBRIDGE_INTEL_HASWELL +config HASWELL_VBOOT_IN_BOOTBLOCK + depends on VBOOT + bool "Start verstage in bootblock" + default y + select VBOOT_STARTS_IN_BOOTBLOCK + select VBOOT_SEPARATE_VERSTAGE + help + Haswell can either start verstage in a separate stage + right after the bootblock has run or it can start it + after romstage for compatibility reasons. + Haswell however uses a mrc.bin to initialse memory which + needs to be located at a fixed offset. Therefore even with + a separate verstage starting after the bootblock that same + binary is used meaning a jump is made from RW to the RO region + and back to the RW region after the binary is done. + config VBOOT select VBOOT_OPROM_MATTERS - select VBOOT_STARTS_IN_ROMSTAGE + select VBOOT_STARTS_IN_ROMSTAGE if !HASWELL_VBOOT_IN_BOOTBLOCK config VGA_BIOS_ID string @@ -93,4 +109,11 @@ config PRE_GRAPHICS_DELAY VBIOS. On those systems we need to wait for a bit before executing the VBIOS. +# The UEFI System Agent binary needs to be at a fixed offset in the flash +# and can therefore only reside in the COREBOOT fmap region +config RO_REGION_ONLY + string + depends on VBOOT + default "mrc.bin" + endif |