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authorKarthikeyan Ramasubramanian <kramasub@google.com>2021-12-08 11:27:56 -0700
committerFelix Held <felix-coreboot@felixheld.de>2021-12-09 23:28:36 +0000
commit642c8d4c08637e1b81a3ab24e985b7a85123eae6 (patch)
tree20726658b42c8d72df15cd617700b5d9773f4b0a /src/mainboard
parent83cf3333a2afd4e8801ee67382b9facac9c541ab (diff)
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mb/google/guybrush/var/nipperkin: Override SPI fast speed
After assessing the signal integrity, 100 MHz SPI fast speed can be enabled for SPI ROM. BUG=None TEST=Build and boot to OS in Nipperkin board version 2. Perform 250 iterations of warm and cold reset each. Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com> Change-Id: Id973acb939b69e0beda26252e57a278892f2f57d Reviewed-on: https://review.coreboot.org/c/coreboot/+/59983 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Raul Rangel <rrangel@chromium.org> Reviewed-by: Jon Murphy <jpmurphy@google.com> Reviewed-by: Rob Barnes <robbarnes@google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/guybrush/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/google/guybrush/Kconfig b/src/mainboard/google/guybrush/Kconfig
index c97c06d96350..7d9cd3d0a037 100644
--- a/src/mainboard/google/guybrush/Kconfig
+++ b/src/mainboard/google/guybrush/Kconfig
@@ -123,6 +123,7 @@ config OVERRIDE_EFS_SPI_SPEED
config OVERRIDE_EFS_SPI_SPEED_MIN_BOARD
hex
default 0x4 if BOARD_GOOGLE_GUYBRUSH
+ default 0x2 if BOARD_GOOGLE_NIPPERKIN
default 0xffffffff
help
Minimum board version starting which the Override EFS SPI Speed