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authorKarthikeyan Ramasubramanian <kramasub@google.com>2020-06-11 23:31:56 -0600
committerPatrick Georgi <pgeorgi@google.com>2020-06-18 08:31:08 +0000
commitdd48b176f31fb99218ff805000d7e630f00921de (patch)
tree08a105f929c4d800ad92bc9183e7247f8d1308e2 /src/mainboard/google/dedede/chromeos-dedede-32MiB.fmd
parent57ead8935674f1c487f9a5b347231b37d6650805 (diff)
mb/google/dedede: Add support for 16 MiB flash map descriptor
Upcoming variant boards will use 16 MiB SPI ROM. So add support for 16 MiB flash map descriptor. BUG=b:155107866,b:152981693 TEST=Build different variant boards. Ensure that waddledoo which is using 32 MiB SPI ROM boots. Cq-Depend: chrome-internal:3107306 Change-Id: I8a6868da3280a662ff3a30623804ff135e6cbfbc Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42322 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/mainboard/google/dedede/chromeos-dedede-32MiB.fmd')
-rw-r--r--src/mainboard/google/dedede/chromeos-dedede-32MiB.fmd47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/chromeos-dedede-32MiB.fmd b/src/mainboard/google/dedede/chromeos-dedede-32MiB.fmd
new file mode 100644
index 0000000000..60ea3ded64
--- /dev/null
+++ b/src/mainboard/google/dedede/chromeos-dedede-32MiB.fmd
@@ -0,0 +1,47 @@
+FLASH@0xfe000000 0x2000000 {
+ SI_ALL@0x0 0x500000 {
+ SI_DESC@0x0 0x1000
+ SI_ME@0x1000 0x4ff000
+ }
+ SI_BIOS@0x500000 0x1b00000 {
+ # Place RW_LEGACY at the start of BIOS region such that the rest
+ # of BIOS regions start at 16MiB boundary. Since this is a 32MiB
+ # SPI flash only the top 16MiB actually gets memory mapped.
+ RW_LEGACY(CBFS)@0x0 0xf00000
+ RW_SECTION_A@0xf00000 0x3e0000 {
+ VBLOCK_A@0x0 0x10000
+ FW_MAIN_A(CBFS)@0x10000 0x3cffc0
+ RW_FWID_A@0x3dffc0 0x40
+ }
+ RW_SECTION_B@0x12e0000 0x3e0000 {
+ VBLOCK_B@0x0 0x10000
+ FW_MAIN_B(CBFS)@0x10000 0x3cffc0
+ RW_FWID_B@0x3dffc0 0x40
+ }
+ RW_MISC@0x16c0000 0x40000 {
+ UNIFIED_MRC_CACHE(PRESERVE)@0x0 0x30000 {
+ RECOVERY_MRC_CACHE@0x0 0x10000
+ RW_MRC_CACHE@0x10000 0x20000
+ }
+ RW_ELOG(PRESERVE)@0x30000 0x4000
+ RW_SHARED@0x34000 0x4000 {
+ SHARED_DATA@0x0 0x2000
+ VBLOCK_DEV@0x2000 0x2000
+ }
+ RW_VPD(PRESERVE)@0x38000 0x2000
+ RW_NVRAM(PRESERVE)@0x3a000 0x6000
+ }
+ # Make WP_RO region align with SPI vendor
+ # memory protected range specification.
+ WP_RO@0x1700000 0x400000 {
+ RO_VPD(PRESERVE)@0x0 0x4000
+ RO_SECTION@0x4000 0x3fc000 {
+ FMAP@0x0 0x800
+ RO_FRID@0x800 0x40
+ RO_FRID_PAD@0x840 0x7c0
+ GBB@0x1000 0x3000
+ COREBOOT(CBFS)@0x4000 0x3f8000
+ }
+ }
+ }
+}