[coreboot-gerrit] Patch set updated for coreboot: 01d40c6 google/panther: Force enable ASPM on PCIe Root Port 4

Paul Menzel (paulepanter@users.sourceforge.net) gerrit at coreboot.org
Sun Jul 6 00:31:45 CEST 2014


Paul Menzel (paulepanter at users.sourceforge.net) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/6007

-gerrit

commit 01d40c6b6a5d4ce006183255df2ed0b7e3356212
Author: Stefan Reinauer <reinauer at chromium.org>
Date:   Wed Feb 19 15:05:15 2014 -0800

    google/panther: Force enable ASPM on PCIe Root Port 4
    
    BUG=chrome-os-partner:21535
    BUG=chrome-os-partner:25990
    BRANCH=panther
    TEST=manual: Boot on Panther and look in /sys/firmware/log for
    the string "PCIe Root Port 4 ASPM is enabled"
    
    Change-Id: I294571c113a8909adb2e97afca92aef9a1af917c
    Signed-off-by: Stefan Reinauer <reinauer at google.com>
    Signed-off-by: Stefan Reinauer <reinauer at chromium.org>
    Reviewed-on: https://chromium-review.googlesource.com/187153
    Reviewed-by: Duncan Laurie <dlaurie at chromium.org>
    Tested-by: Stefan Reinauer <reinauer at chromium.org>
    Commit-Queue: Stefan Reinauer <reinauer at chromium.org>
---
 src/mainboard/google/panther/devicetree.cb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mainboard/google/panther/devicetree.cb b/src/mainboard/google/panther/devicetree.cb
index 9fbe8e6..7cc3672 100644
--- a/src/mainboard/google/panther/devicetree.cb
+++ b/src/mainboard/google/panther/devicetree.cb
@@ -61,6 +61,9 @@ chip northbridge/intel/haswell
 			register "sio_i2c0_voltage" = "0" # 3.3V
 			register "sio_i2c1_voltage" = "0" # 3.3V
 
+			# Force enable ASPM for PCIe Port 4
+			register "pcie_port_force_aspm" = "0x10"
+
 			# Enable port coalescing
 			register "pcie_port_coalesce" = "1"
 



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