[coreboot-gerrit] Change in coreboot[master]: mb/google/skyrim: Update SPI settings for skyrim

[Chris Wang (Code Review)]

Chris Wang has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/63717 )

Change subject: mb/google/skyrim: Update SPI settings for skyrim
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mb/google/skyrim: Update SPI settings for skyrim

Update SPI setting as below:

Normal speed:33mhz
Fast speed:66mhz
Alt speed:66mz
TPM speed:33mhz

BUG=b:225213679
TEST=boot skyrim and verify spi settings.

Signed-off-by: Chris.Wang 
Change-Id: Icbe4b9f4794f7e883c3819258ede809c3c8922b0
---
M src/mainboard/google/skyrim/Kconfig
1 file changed, 18 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/17/63717/1

diff --git a/src/mainboard/google/skyrim/Kconfig b/src/mainboard/google/skyrim/Kconfig
index 37091ab..b6ee746 100644
--- a/src/mainboard/google/skyrim/Kconfig
+++ b/src/mainboard/google/skyrim/Kconfig
@@ -74,4 +74,22 @@
    select VBOOT_SEPARATE_VERSTAGE
    select VBOOT_STARTS_IN_BOOTBLOCK

+if !EM100	# EM100 defaults in soc/amd/common/blocks/spi/Kconfig
+config EFS_SPI_READ_MODE
+	default 2          # Dual IO (1-1-2)
+
+config EFS_SPI_SPEED
+	default 0	# 66MHz
+
+config EFS_SPI_MICRON_FLAG
+	default 0
+
+config NORMAL_READ_SPI_SPEED
+	default 1	# 33MHz
+
+config ALT_SPI_SPEED
+	default 0	# 66MHz
+
+endif # !EM100
+
 endif # BOARD_GOOGLE_BASEBOARD_SKYRIM