Change in coreboot[master]: mb/google/brya/var/redrix: Set RFI Spread Spectrum to 6%

[Paul Fagerburg (Code Review)]

Paul Fagerburg has submitted this change. ( https://review.coreboot.org/c/coreboot/+/58880 )

Change subject: mb/google/brya/var/redrix: Set RFI Spread Spectrum to 6%
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mb/google/brya/var/redrix: Set RFI Spread Spectrum to 6%

Set RFI Spread Spectrum to 6% for Redrix as RF team request.
The default of Spread Spectrum in FSP is 1.5%, and set 1.5% in baseboard
as default.

BUG=b:200886627
TEST=build

Signed-off-by: Wisley Chen 
Change-Id: Id0b42446e9e46ef629b5ca8d5d29faf2d771348d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58880
Tested-by: build bot (Jenkins) 
Reviewed-by: Tim Wawrzynczak 
---
M src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb
M src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb
M src/mainboard/google/brya/variants/redrix/overridetree.cb
3 files changed, 8 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Tim Wawrzynczak: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb b/src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb
index 76d437c..4ffc41d 100644
--- a/src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb
+++ b/src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb
@@ -68,6 +68,9 @@
    register "PchHdaIDispLinkFrequency" = "HDA_LINKFREQ_96MHZ"
    register "PchHdaIDispCodecEnable" = "1"

+        # FIVR RFI Spread Spectrum 1.5%
+        register "FivrSpreadSpectrum" = "FIVR_SS_1_5"
+
    # Intel Common SoC Config
    #+-------------------+---------------------------+
    #| Field             |  Value                    |
diff --git a/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb b/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb
index 154f697..c89f24f 100644
--- a/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb
+++ b/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb
@@ -74,6 +74,9 @@
    register "PchHdaIDispLinkFrequency" = "HDA_LINKFREQ_96MHZ"
    register "PchHdaIDispCodecEnable" = "1"

+	# FIVR RFI Spread Spectrum 1.5%
+	register "FivrSpreadSpectrum" = "FIVR_SS_1_5"
+
    # Intel Common SoC Config
    #+-------------------+---------------------------+
    #| Field             |  Value                    |
diff --git a/src/mainboard/google/brya/variants/redrix/overridetree.cb b/src/mainboard/google/brya/variants/redrix/overridetree.cb
index 0ed6c52..ce9ba37 100644
--- a/src/mainboard/google/brya/variants/redrix/overridetree.cb
+++ b/src/mainboard/google/brya/variants/redrix/overridetree.cb
@@ -34,6 +34,8 @@
    register "SaGv" = "SaGv_Enabled"

register "CnviBtAudioOffload" = "true"
+	# FIVR RFI Spread Spectrum 6%
+	register "FivrSpreadSpectrum" = "FIVR_SS_6"

# Intel Common SoC Config
    #+-------------------+---------------------------+