diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2013-11-14 11:06:17 -0600 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-05-07 12:05:58 +0200 |
| commit | 99d8818af332f4db8ded058c7e5e59e2f56f7bc9 (patch) | |
| tree | 48c35e247568bc199c30d9d230e341affe49c9a3 /src | |
| parent | 281abfb2dbf138bd732404f4412d8c6bee611bee (diff) | |
| download | coreboot-99d8818af332f4db8ded058c7e5e59e2f56f7bc9.tar.xz | |
baytrail: don't allow PCIE wake ups
The PCIe subsystem was constantly waking up boards from
S3 and S5. Completely disable PCIe wake ups. It can be made
mainboard-configurable later if needed.
BUG=chrome-os-partner:24004
BRANCH=None
TEST=Both S3 and EC RW->RW update (trip through S5) don't
cause wakeups.
Change-Id: I922e2947c4b6e29277d913f06192601a2954f8fe
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/176791
Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/4972
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/baytrail/smm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/soc/intel/baytrail/smm.c b/src/soc/intel/baytrail/smm.c index c654c8597e..e10c70b699 100644 --- a/src/soc/intel/baytrail/smm.c +++ b/src/soc/intel/baytrail/smm.c @@ -93,8 +93,8 @@ void southcluster_smm_enable_smi(void) { printk(BIOS_DEBUG, "Enabling SMIs.\n"); - /* Configure events */ - enable_pm1(PWRBTN_EN | GBL_EN); + /* Configure events Disable pcie wake. */ + enable_pm1(PWRBTN_EN | GBL_EN | PCIEXPWAK_DIS); disable_gpe(PME_B0_EN); /* Set up the GPIO route. */ |