diff options
| author | Furquan Shaikh <furquan@google.com> | 2016-06-22 11:00:22 -0700 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2016-06-23 20:56:52 +0200 |
| commit | c948746c212f31beccc569b846a1421eb2fe3ab7 (patch) | |
| tree | 60437c467f7f138bc67cc2d834d2781fa04fe649 /src/mainboard | |
| parent | 203fe7278ae2521edcaeda96740bcc5ffa36cbdd (diff) | |
google/reef: Update chromeos.fmd file
1. Mark 256KiB at end of BIOS region as unusable BIOS region is
memory-mapped just below 4GiB, however last 256KiB is unusable. Mark it
accordingly in fmd file.
2. Use up holes in RW region for RW_A and RW_B.
3. Fill up holes in RO with UNUSED regions.
BUG=chrome-os-partner:54672
Change-Id: I5facc566bb70d950522e12228b0631ddf00ac63d
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15313
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/reef/chromeos.fmd | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/src/mainboard/google/reef/chromeos.fmd b/src/mainboard/google/reef/chromeos.fmd index 0ad6567462..1d3caae30e 100644 --- a/src/mainboard/google/reef/chromeos.fmd +++ b/src/mainboard/google/reef/chromeos.fmd @@ -9,8 +9,10 @@ FLASH 16M { RO_FRID_PAD@0x4840 0x7c0 COREBOOT(CBFS)@0x5000 0x17b000 GBB@0x180000 0x40000 + RO_UNUSED_1@0x1c0000 0x400000 # logical boot partition 2. Remove with updated CSE SIGN_CSE@0x5c0000 0x10000 + RO_UNUSED_2@0x5d0000 0x30000 } } MISC_RW@0x800000 0x1a000 { @@ -22,18 +24,30 @@ FLASH 16M { } RW_VPD@0x18000 0x2000 } - RW_SECTION_A@0x81a000 0x173000 { + RW_SECTION_A@0x81a000 0x28f800 { VBLOCK_A@0x0 0x10000 - FW_MAIN_A(CBFS)@0x10000 0x162fc0 - RW_FWID_A@0x172fc0 0x40 + FW_MAIN_A(CBFS)@0x10000 0x27f7c0 + RW_FWID_A@0x28f7c0 0x40 } - RW_SECTION_B@0x98d000 0x173000 { + RW_SECTION_B@0xaa9800 0x28f800 { VBLOCK_B@0x0 0x10000 - FW_MAIN_B(CBFS)@0x10000 0x162fc0 - RW_FWID_B@0x172fc0 0x40 + FW_MAIN_B(CBFS)@0x10000 0x27f7c0 + RW_FWID_B@0x28f7c0 0x40 } - RW_NVRAM@0xb00000 0x6000 - RW_LEGACY(CBFS)@0xb06000 0x200000 + RW_NVRAM@0xd39000 0x6000 + RW_LEGACY(CBFS)@0xd3f000 0x200000 + BIOS_UNUSABLE@0xf3f000 0x40000 DEVICE_EXTENSION@0xf7f000 0x80000 + # Currently, it is required that the BIOS region be a multiple of 8KiB. + # This is required so that the recovery mechanism can find SIGN_CSE + # region aligned to 4K at the center of BIOS region. Since the + # descriptor at the beginning uses 4K and BIOS starts at an offset of + # 4K, a hole of 4K is created towards the end of the flash to compensate + # for the size requirement of BIOS region. + # FIT tool thus creates descriptor with following regions: + # Descriptor --> 0 to 4K + # BIOS --> 4K to 0xf7f000 + # Device ext --> 0xf7f000 to 0xfff000 + UNUSED_HOLE@0xfff000 0x1000 } |