blob: 72c6429672b25b4f9549bd0bd8a0cfb9d2223ced [file] [log] [blame]
Tracy Wucae27eb2022-02-09 10:34:12 +08001FLASH 32M {
2 SI_ALL 5M {
3 SI_DESC 4K
4 SI_ME {
5 CSE_LAYOUT 8K
6 CSE_RO 1588K
7 CSE_DATA 512K
8 # 64-KiB aligned to optimize RW erases during CSE update.
9 CSE_RW 3008K
10 }
11 }
12 SI_BIOS 27M {
13 RW_SECTION_A 8M {
14 VBLOCK_A 64K
15 FW_MAIN_A(CBFS)
16 RW_FWID_A 64
17 ME_RW_A(CBFS) 3008K
18 }
19 RW_LEGACY(CBFS) 2M
20 RW_MISC 1M {
21 UNIFIED_MRC_CACHE(PRESERVE) 128K {
22 RECOVERY_MRC_CACHE 64K
23 RW_MRC_CACHE 64K
24 }
25 RW_ELOG(PRESERVE) 16K
26 RW_SHARED 16K {
27 SHARED_DATA 8K
28 VBLOCK_DEV 8K
29 }
30 # The RW_SPD_CACHE region is only used for brya variants that use DDRx memory.
31 # It is placed in the common `chromeos.fmd` file because it is only 4K and there
32 # is free space in the RW_MISC region that cannot be easily reclaimed because
33 # the RW_SECTION_B must start on the 16M boundary.
34 RW_SPD_CACHE(PRESERVE) 4K
35 RW_VPD(PRESERVE) 8K
36 RW_NVRAM(PRESERVE) 24K
37 }
38 # This section starts at the 16M boundary in SPI flash.
39 # ADL does not support a region crossing this boundary,
40 # because the SPI flash is memory-mapped into two non-
41 # contiguous windows.
42 RW_SECTION_B 8M {
43 VBLOCK_B 64K
44 FW_MAIN_B(CBFS)
45 RW_FWID_B 64
46 ME_RW_B(CBFS) 3008K
47 }
48 # Make WP_RO region align with SPI vendor
49 # memory protected range specification.
50 WP_RO 8M {
51 RO_VPD(PRESERVE) 16K
52 RO_SECTION {
53 FMAP 2K
54 RO_FRID 64
55 GBB@4K 448K
56 COREBOOT(CBFS)
57 }
58 }
59 }
60}