Felix Held submitted this change.
mb/google/guybrush/var/dewatt: disable unused PCIe clock setting
GPP_CLK1 is used for SD and GPP_CLK2 is for WWAN on guybrush.
Disable unused PCIe GPP_CLK1 and GPP_CLK2 for dewatt.
BUG=b:211566312
TEST=emerge-guybrush coreboot
Signed-off-by: Kenneth Chan <kenneth.chan@quanta.corp-partner.google.com>
Change-Id: If449453bc60ed41e104346429babc06a73acef64
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60328
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
---
M src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb b/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
index 5366d68..f34bac8 100644
--- a/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
+++ b/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
@@ -58,6 +58,10 @@
},
}"
+ # general purpose PCIe clock output configuration
+ register "gpp_clk_config[1]" = "GPP_CLK_OFF"
+ register "gpp_clk_config[2]" = "GPP_CLK_OFF"
+
# I2C Config
#+-------------------+---------------------------+
#| Field | Value |
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