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-rw-r--r--src/mainboard/intel/adlrvp/devicetree.cb10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mainboard/intel/adlrvp/devicetree.cb b/src/mainboard/intel/adlrvp/devicetree.cb
index f78fe2c3ee..cade987313 100644
--- a/src/mainboard/intel/adlrvp/devicetree.cb
+++ b/src/mainboard/intel/adlrvp/devicetree.cb
@@ -40,6 +40,16 @@ chip soc/intel/alderlake
register "gen3_dec" = "0x00fc0901"
register "gen4_dec" = "0x000c0081"
+ # This disabled autonomous GPIO power management, otherwise
+ # old cr50 FW only supports short pulses; need to clarify
+ # the minimum PCH IRQ pulse width with Intel, b/180111628
+ register "gpio_override_pm" = "1"
+ register "gpio_pm[COMM_0]" = "0"
+ register "gpio_pm[COMM_1]" = "0"
+ register "gpio_pm[COMM_2]" = "0"
+ register "gpio_pm[COMM_4]" = "0"
+ register "gpio_pm[COMM_5]" = "0"
+
register "PrmrrSize" = "0"
# Enable PCH PCIE RP 5 using CLK 2