From d538e8fb0006c4ea2d689f2d99e28f9786a6fc2e Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Fri, 9 Aug 2013 09:11:29 -0700 Subject: falco: Force enable ASPM on PCIe Root Port 1 Boot on falco and look in /sys/firmware/log for the string "PCIe Root Port 1 ASPM is enabled" Change-Id: Ie2111e4bb70411aa697dc63c0c11f13fbe66c8d8 Signed-off-by: Duncan Laurie Reviewed-on: https://gerrit.chromium.org/gerrit/65315 Reviewed-by: Aaron Durbin Reviewed-on: http://review.coreboot.org/4454 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/mainboard/google/falco/devicetree.cb | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/mainboard/google/falco/devicetree.cb b/src/mainboard/google/falco/devicetree.cb index 3823ce7d92..ab8beaec2f 100644 --- a/src/mainboard/google/falco/devicetree.cb +++ b/src/mainboard/google/falco/devicetree.cb @@ -74,6 +74,9 @@ chip northbridge/intel/haswell register "sio_i2c0_voltage" = "0" # 3.3V register "sio_i2c1_voltage" = "0" # 3.3V + # Force enable ASPM for PCIe Port 1 + register "pcie_port_force_aspm" = "0x01" + # Disable PCIe CLKOUT 1-5 and CLKOUT_XDP register "icc_clock_disable" = "0x013e0000" -- cgit v1.2.3