Subrata Banik has uploaded this change for review.
soc/intel/cannonlake: Disable Legacy PME for Root ports
Legacy PME are enabled by default in FSP-S UPD. This patch to override
root port legacy pme upd policy from coreboot.
BUG=b:113083354
BRANCH=none
TEST=Able to make S3 resume using wake on wifi connect/disconnect usecase
Change-Id: I779fac711eeeed65ea379fad1cc400052d8a00eb
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
---
M src/soc/intel/cannonlake/fsp_params.c
1 file changed, 3 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/47/28947/1
diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c
index cbc97b2..d5233ed 100644
--- a/src/soc/intel/cannonlake/fsp_params.c
+++ b/src/soc/intel/cannonlake/fsp_params.c
@@ -129,6 +129,9 @@
/* S0ix */
params->PchPmSlpS0Enable = config->s0ix_enable;
+ /* disable Legacy PME */
+ memset(params->PcieRpPmSci, 0, sizeof(params->PcieRpPmSci));
+
/* USB */
for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) {
params->PortUsb20Enable[i] = config->usb2_ports[i].enable;
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