From 650b00c1bf9811f502a6da025a5c1d5f4b4b16b5 Mon Sep 17 00:00:00 2001 From: Shawn Nematbakhsh Date: Wed, 21 Aug 2013 11:47:11 -0700 Subject: peppy: Force enable ASPM on PCIe Root Port 1 (Clone of Falco change Ie2111e4bb70411aa697dc63c0c11f13fbe66c8d8) Old-Change-Id: I5feba8fdbafba6d2de9f7d3de6170defc0d45a32 Signed-off-by: Shawn Nematbakhsh Reviewed-on: https://gerrit.chromium.org/gerrit/66536 Reviewed-by: Dave Parker (cherry picked from commit b78a872a6647d7bb82f6c06a75e4075e451a1622) peppy: Disable unused clocks CLKOUT for PCIE ports 2-5 and CLKOUT_XDP are not used and can be disabled. This change was modled after the change made in Falco: Falco-Change-Id: I0f996e90f0ae42780de3a0c8dc5db00ec600748b The only difference per schematic for Peppy was PCIe 1 supports a NGFF interface. PCIe 0 is connected to WLAN. Old-Change-Id: Ib4871cb2655316cb260ab33ada6b9d81f271377f Signed-off-by: Steven Sherk Reviewed-on: https://gerrit.chromium.org/gerrit/66693 Reviewed-by: Aaron Durbin Tested-by: Shawn Nematbakhsh Commit-Queue: Shawn Nematbakhsh (cherry picked from commit 8f12335013a510dee3c21b55251ab00c0fbac609) Squashed two related commits. Change-Id: Ibc5b902018eec07fdccaa8c6cb066ce918f6a6b5 Signed-off-by: Isaac Christensen Reviewed-on: http://review.coreboot.org/6419 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan --- src/mainboard/google/peppy/devicetree.cb | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/mainboard/google/peppy/devicetree.cb b/src/mainboard/google/peppy/devicetree.cb index b19f04bf88..4c0d02d662 100644 --- a/src/mainboard/google/peppy/devicetree.cb +++ b/src/mainboard/google/peppy/devicetree.cb @@ -78,6 +78,12 @@ 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" + + # Disable PCIe CLKOUT 2-5 and CLKOUT_XDP + register "icc_clock_disable" = "0x013c0000" + 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 -- cgit v1.2.3