Vaibhav Shankar (vaibhav.shankar@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16611
-gerrit
commit 46ec103254b2fd98746fd645a47c9e6776d3353d Author: Vaibhav Shankar vaibhav.shankar@intel.com Date: Thu Sep 15 14:02:54 2016 -0700
mainboard/google/reef: Configure WLAN as wake source
This implements PRW method for WLAN and configures PCIe wake pin to generate SCI.
BUG=chrome-os-partner:56483 TEST=Suspend the system into S3 or S0ix. System should resume through wake event from wifi.
Change-Id: I9bd078c2de19ebcc652b5d981997d2a5b5f0b1b7 Signed-off-by: Vaibhav Shankar vaibhav.shankar@intel.com --- src/mainboard/google/reef/variants/baseboard/devicetree.cb | 7 ++++++- src/mainboard/google/reef/variants/baseboard/gpio.c | 2 +- 2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/mainboard/google/reef/variants/baseboard/devicetree.cb b/src/mainboard/google/reef/variants/baseboard/devicetree.cb index c83df61..f1ce8c5 100644 --- a/src/mainboard/google/reef/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/reef/variants/baseboard/devicetree.cb @@ -94,7 +94,12 @@ chip soc/intel/apollolake device pci 13.1 off end # - Root Port 3 - PCIe-A 1 device pci 13.2 off end # - Root Port 4 - PCIe-A 2 device pci 13.3 off end # - Root Port 5 - PCIe-A 3 - device pci 14.0 on end # - Root Port 0 - PCIe-B 0 - Wifi + device pci 14.0 on + chip drivers/intel/wifi + register "wake" = "GPE0_DW3_00" + device pci 00.0 on end + end + end # - Root Port 0 - PCIe-B 0 - Wifi device pci 14.1 off end # - Root Port 1 - PCIe-B 1 device pci 15.0 on end # - XHCI device pci 15.1 off end # - XDCI diff --git a/src/mainboard/google/reef/variants/baseboard/gpio.c b/src/mainboard/google/reef/variants/baseboard/gpio.c index eb1b2eb..7d74140c 100644 --- a/src/mainboard/google/reef/variants/baseboard/gpio.c +++ b/src/mainboard/google/reef/variants/baseboard/gpio.c @@ -24,7 +24,7 @@ */ static const struct pad_config gpio_table[] = { /* PCIE_WAKE[0:3]_N */ - PAD_CFG_NF(GPIO_205, UP_20K, DEEP, NF1), /* WLAN */ + PAD_CFG_GPI_SCI_LOW(GPIO_205, UP_20K, DEEP, EDGE_SINGLE), /* WLAN */ PAD_CFG_GPI(GPIO_206, UP_20K, DEEP), /* Unused */ PAD_CFG_GPI(GPIO_207, UP_20K, DEEP), /* Unused */ PAD_CFG_GPI(GPIO_208, UP_20K, DEEP), /* Unused */