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mb/ocp/deltalake: add RW_MRC_CACHE flash region 

Add RW_MRC_CACHE flash region to hold MRC cache data.

With memory training skipped for subsequent reboots, the boot
time is reduced by 8 minutes on OCP Delta Lake server, when
FSP verbose logging is turned on.

Signed-off-by: Jonathan Zhang <jonzhang@fb.com>
Change-Id: I27ed00100e1ea9e29b0e71ea5a8397cd550e193a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42025
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Jonathan Zhang 2020-06-01 16:03:30 -07:00 committed by Patrick Georgi
parent 826523b679
commit a3db721633
1 changed files with 2 additions and 1 deletions
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3
src/mainboard/ocp/deltalake/board.fmd
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@ -6,6 +6,7 @@ FLASH 64M {
} }
SI_BIOS@0x3000000 0x1000000 { SI_BIOS@0x3000000 0x1000000 {
FMAP@0x0 0x800 FMAP@0x0 0x800
COREBOOT(CBFS)@0x800 0xfff800 RW_MRC_CACHE@0x1000 0x10000
COREBOOT(CBFS)@0x11000
} }
} }