Aaron Durbin (adurbin@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5051
-gerrit
commit 887e57a3953135b86e78d9cce85f8ede75f289d3 Author: Duncan Laurie dlaurie@chromium.org Date: Thu Jan 16 11:18:36 2014 -0800
baytrail: Enable PCIe common clock and ASPM
Enable the config options to have the device enumeration layer configure common clock and ASPM for endpoints.
BUG=chrome-os-partner:23629 BRANCH=baytrail TEST=build and boot on rambi, check PCIe for ASPM and common clock:
lspci -vv -s 0:1c.0 | grep LnkCtl: LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+
lspci -vv -s 1:00.0 | grep LnkCtl: LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+
Change-Id: I2477e3cada0732dc71db0d6692ff5b6159ed269f Signed-off-by: Duncan Laurie dlaurie@chromium.org Reviewed-on: https://chromium-review.googlesource.com/182860 Reviewed-by: Aaron Durbin adurbin@chromium.org Signed-off-by: Aaron Durbin adurbin@chromium.org --- src/soc/intel/baytrail/Kconfig | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/src/soc/intel/baytrail/Kconfig b/src/soc/intel/baytrail/Kconfig index 5aacbdc..2e7474c 100644 --- a/src/soc/intel/baytrail/Kconfig +++ b/src/soc/intel/baytrail/Kconfig @@ -23,6 +23,8 @@ config CPU_SPECIFIC_OPTIONS select MMCONF_SUPPORT_DEFAULT select RELOCATABLE_MODULES select PARALLEL_MP + select PCIEXP_ASPM + select PCIEXP_COMMON_CLOCK select SMM_MODULES select SMM_TSEG select SMP