[coreboot-gerrit] Change in coreboot[master]: mb/amd/mandolin: add missing SPI configuration to devicetree

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/45830 )

Change subject: mb/amd/mandolin: add missing SPI configuration to devicetree
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mb/amd/mandolin: add missing SPI configuration to devicetree

This fixes the board not booting reliably when running from flash
without the EM100 option selected during build time. Selecting EM100
mode overrides the settings, so when testing with an EM100 I didn't run
into this issue.

BUG=b:169644059
BRANCH=zork

Change-Id: I2c7043c174dcf4501776a03b7689d8a20c214afb
Signed-off-by: Felix Held 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45830
Reviewed-by: Paul Menzel 
Reviewed-by: Marshall Dawson 
Reviewed-by: Matt Papageorge 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/amd/mandolin/variants/mandolin/devicetree.cb
1 file changed, 9 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Paul Menzel: Looks good to me, but someone else must approve
  Marshall Dawson: Looks good to me, approved
  Matt Papageorge: Looks good to me, but someone else must approve

diff --git a/src/mainboard/amd/mandolin/variants/mandolin/devicetree.cb b/src/mainboard/amd/mandolin/variants/mandolin/devicetree.cb
index 7ccec27..3de5812 100644
--- a/src/mainboard/amd/mandolin/variants/mandolin/devicetree.cb
+++ b/src/mainboard/amd/mandolin/variants/mandolin/devicetree.cb
@@ -99,6 +99,15 @@
    register "usb_port_overcurrent_pin[4]" = "USB_OC_PIN_0"
    register "usb_port_overcurrent_pin[5]" = "USB_OC_PIN_0"

+	# SPI Configuration
+	register "common_config.spi_config" = "{
+		.normal_speed = SPI_SPEED_33M, /* MHz */
+		.fast_speed = SPI_SPEED_66M, /* MHz */
+		.altio_speed = SPI_SPEED_33M, /* MHz */
+		.tpm_speed = SPI_SPEED_33M, /* MHz */
+		.read_mode = SPI_READ_MODE_QUAD114,
+	}"
+
    # eSPI Configuration
    register "common_config.espi_config" = "{
    	.std_io_decode_bitmap = ESPI_DECODE_IO_0X60_0X64_EN,