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peppy: Force enable ASPM on PCIe Root Port 1

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(Clone of Falco change Ie2111e4bb70411aa697dc63c0c11f13fbe66c8d8)

BUG=chrome-os-partner:21535
BRANCH=FalcoPeppy
TEST=manual: Boot on peppy and look in /sys/firmware/log for the string
"PCIe Root Port 1 ASPM is enabled"

Change-Id: I5feba8fdbafba6d2de9f7d3de6170defc0d45a32
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/66536
Reviewed-by: Dave Parker <dparker@chromium.org>
This commit is contained in:
Shawn Nematbakhsh 2013-08-21 11:47:11 -07:00 • committed by ChromeBot
commit b78a872a66
1 changed files with 3 additions and 0 deletions
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3
src/mainboard/google/peppy/devicetree.cb
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@ -78,6 +78,9 @@ chip northbridge/intel/haswell
register "sio_i2c0_voltage" = "0" # 3.3V
register "sio_i2c1_voltage" = "0" # 3.3V
# Force enable ASPM for PCIe Port1
register "pcie_port_force_aspm" = "0x01"
device pci 13.0 off end # Smart Sound Audio DSP
device pci 14.0 on end # USB3 XHCI
device pci 15.0 on end # Serial I/O DMA