[coreboot-gerrit] Patch set updated for coreboot: 2b6d7da baytrail: Enable PCIe common clock and ASPM

Aaron Durbin (adurbin@google.com) gerrit at coreboot.org
Wed May 14 15:57:25 CEST 2014


Aaron Durbin (adurbin at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5051

-gerrit

commit 2b6d7daec5b83c49a254aadcb8d7e9e3ddca1562
Author: Duncan Laurie <dlaurie at 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 at chromium.org>
    Reviewed-on: https://chromium-review.googlesource.com/182860
    Reviewed-by: Aaron Durbin <adurbin at chromium.org>
    Signed-off-by: Aaron Durbin <adurbin at 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 9a3fa92..a93b487 100644
--- a/src/soc/intel/baytrail/Kconfig
+++ b/src/soc/intel/baytrail/Kconfig
@@ -24,6 +24,8 @@ 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



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