summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFelix Held <felix-coreboot@felixheld.de>2022-03-18 16:57:22 +0100
committerFelix Held <felix-coreboot@felixheld.de>2022-03-19 18:27:05 +0000
commit5b51faaaea48adf49429d4bfb96d88d9e5d9e08c (patch)
tree4a1d790fb96e4d3d4f92192042bddfb9e78e9f67
parentb9ee6f351b4552f024edee3f1e1d72a4a09ec45a (diff)
mb/google/skyrim/devicetree: set PSPP policy to DXIO_PSPP_DISABLED
Right now, the PSPP policy that controls if the PCIe lanes can be dynamically downgraded to a lower speed to save some power needs to be disabled in order for the link training to be successful. Once this feature is working, PSPP will be reenabled. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I6ea602596acb8e5ea92076386e80102c3bc757af Reviewed-on: https://review.coreboot.org/c/coreboot/+/62924 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Raul Rangel <rrangel@chromium.org> Reviewed-by: Jon Murphy <jpmurphy@google.com>
-rw-r--r--src/mainboard/google/skyrim/variants/baseboard/devicetree.cb2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
index 7d4fb7f549..03bb55eee8 100644
--- a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
@@ -47,6 +47,8 @@ chip soc/amd/sabrina
register "i2c_pad[2].rx_level" = "I2C_PAD_RX_1_8V" # Audio/SAR
register "i2c_pad[3].rx_level" = "I2C_PAD_RX_1_8V" # GSC
+ register "pspp_policy" = "DXIO_PSPP_DISABLED" # TODO: reenable when PSPP works
+
device domain 0 on
device ref lpc_bridge on
chip ec/google/chromeec