diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/kukui/chromeos.fmd | 55 |
1 files changed, 35 insertions, 20 deletions
diff --git a/src/mainboard/google/kukui/chromeos.fmd b/src/mainboard/google/kukui/chromeos.fmd index d183273549..2635854866 100644 --- a/src/mainboard/google/kukui/chromeos.fmd +++ b/src/mainboard/google/kukui/chromeos.fmd @@ -1,30 +1,45 @@ -FLASH@0x0 0x800000 { - WP_RO@0x0 0x200000 { - RO_SECTION@0x0 0x1f8000 { - BOOTBLOCK@0 32K - FMAP@0x8000 0x1000 - COREBOOT(CBFS)@0x9000 0x1ec000 +# Firmware Layout Description for Chrome OS. +# +# The size and address of every section must be aligned to at least 4K, except: +# RO_FRID, RW_FWID*, GBB, or any unused / padding / CBFS type sections. +# +# 'FMAP' may be found by binary search so its starting address should be better +# aligned to larger values. +# +# For sections to be preserved on update, add (PRESERVE) to individual sections +# instead of a group section; otherwise the preserved data may be wrong if you +# resize or reorder sections inside a group. + +FLASH@0x0 8M { + WP_RO@0x0 4M { + RO_SECTION { + BOOTBLOCK 128K + FMAP 4K + COREBOOT(CBFS) GBB 0x2f00 RO_FRID 0x100 } - RO_VPD(PRESERVE)@0x1f8000 0x8000 + RO_VPD(PRESERVE) 32K # At least 16K. } - RW_SECTION_A@0x200000 0x7c000 { - VBLOCK_A@0x0 0x2000 - FW_MAIN_A(CBFS) 0x79f00 + RW_SECTION_A 1500K { + VBLOCK_A 8K + FW_MAIN_A(CBFS) RW_FWID_A 0x100 } - RW_SHARED@0x27c000 0x1000 { - SHARED_DATA@0x0 0x1000 + RW_MISC 36K { + RW_VPD(PRESERVE) 16K # At least 8K. + RW_NVRAM(PRESERVE) 8K + RW_DDR_TRAINING(PRESERVE) 8K + RW_ELOG(PRESERVE) 4K # ELOG driver hard-coded size in 4K. } - RW_NVRAM(PRESERVE)@0x27d000 0x2000 - # ELOG driver has hard-coded the size to 4k. - RW_ELOG(PRESERVE)@0x27f000 0x1000 - RW_SECTION_B@0x280000 0x7c000 { - VBLOCK_B@0x0 0x2000 - FW_MAIN_B(CBFS) 0x79f00 + RW_SECTION_B 1500K { + VBLOCK_B 8K + FW_MAIN_B(CBFS) RW_FWID_B 0x100 } - RW_VPD(PRESERVE)@0x2fc000 0x4000 - RW_LEGACY(CBFS)@0x300000 0x100000 + RW_SHARED 36K { # Will be force updated on recovery. + SHARED_DATA 4K # 4K or less for netboot params. + RW_UNUSED + } + RW_LEGACY(CBFS) 1M # Minimal 1M. } |