Patrick Georgi merged this change.
mb/google/drallion: Enable HDA for drallion platform
Enable PchHdaIDispCodecDisconnect and
PchHdaAudioLinkHda for drallion variants.
This is needed with FSP 1263.
Signed-off-by: Selma BENSAID <selma.bensaid@intel.com>
Change-Id: I13d3dd832c6fbdc2aad5ba578695edb8470806e8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35079
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
---
M src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb
M src/mainboard/google/drallion/variants/drallion/devicetree.cb
M src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb
3 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb b/src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb
index fe3b6c9..3628264 100644
--- a/src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb
+++ b/src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb
@@ -50,6 +50,10 @@
# Enable DDC for DDI port B
register "DdiPortBDdc" = "1"
+ # Disable iDisplay codec enumeration
+ register "PchHdaIDispCodecDisconnect" = "1"
+ register "PchHdaAudioLinkHda" = "1"
+
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
#| Domain/Setting | SA | IA | GTUS | GTS |
diff --git a/src/mainboard/google/drallion/variants/drallion/devicetree.cb b/src/mainboard/google/drallion/variants/drallion/devicetree.cb
index 54184f0..8870126 100644
--- a/src/mainboard/google/drallion/variants/drallion/devicetree.cb
+++ b/src/mainboard/google/drallion/variants/drallion/devicetree.cb
@@ -50,6 +50,10 @@
# Enable DDC for DDI port B
register "DdiPortBDdc" = "1"
+ # Disable iDisplay codec enumeration
+ register "PchHdaIDispCodecDisconnect" = "1"
+ register "PchHdaAudioLinkHda" = "1"
+
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
#| Domain/Setting | SA | IA | GTUS | GTS |
diff --git a/src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb b/src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb
index d3aab62..84aacd5 100644
--- a/src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb
+++ b/src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb
@@ -56,6 +56,10 @@
register "LanWakeFromDeepSx" = "0"
register "WolEnableOverride" = "0"
+ # Disable iDisplay codec enumeration
+ register "PchHdaIDispCodecDisconnect" = "1"
+ register "PchHdaAudioLinkHda" = "1"
+
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
#| Domain/Setting | SA | IA | GTUS | GTS |
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