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authorDuncan Laurie <dlaurie@chromium.org>2014-08-11 08:06:04 -0700
committerMarc Jones <marc.jones@se-eng.com>2015-03-27 05:40:17 +0100
commit17b786630fcd49eef46e9df7a18f8f8fb36d5308 (patch)
treecc78dc3bdf26557a3060d58494bc9c221510e1d9 /src
parent446fb8e45ef2d555579e7659c1c0a91bb8ff3d78 (diff)
downloadcoreboot-17b786630fcd49eef46e9df7a18f8f8fb36d5308.tar.xz
samus: Enable WLAN wake GPIO in _PRW
Add ACPI device for WLAN and enable GPIO 10 as wake source in _PRW. BUG=chrome-os-partner:28234,chrome-os-partner:30671 BRANCH=None TEST=boot on samus, check for WLAN in /proc/acpi/wakeup Original-Change-Id: I09b6eeae5bd88ee9d7e0b7e735ed871e8ae6963a Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/211820 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> (cherry picked from commit c65ce028e64aebffb99648b2c34c4ff0e7c4e70f) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: If192564ddd10c7fe758a4d7266394a30e7d966d4 Reviewed-on: http://review.coreboot.org/8953 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/samus/acpi/mainboard.asl24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/google/samus/acpi/mainboard.asl b/src/mainboard/google/samus/acpi/mainboard.asl
index 9e9b577986..8d5ecc6b30 100644
--- a/src/mainboard/google/samus/acpi/mainboard.asl
+++ b/src/mainboard/google/samus/acpi/mainboard.asl
@@ -70,6 +70,30 @@ Scope (\_SB)
}
}
+/*
+ * WLAN connected to Root Port 3, becomes Root Port 1 after coalesce
+ */
+Scope (\_SB.PCI0.RP01)
+{
+ Device (WLAN)
+ {
+ Name (_ADR, 0x00000000)
+
+ /* GPIO10 is PCH_WLAN_WAKE_L */
+ Name (GPIO, 10)
+
+ Name (_PRW, Package() { GPIO, 3 })
+
+ Method (_DSW, 3, NotSerialized)
+ {
+ If (LEqual (Arg0, 1)) {
+ // Enable GPIO as wake source
+ \_SB.PCI0.LPCB.GPIO.GWAK (^GPIO)
+ }
+ }
+ }
+}
+
Scope (\_SB.PCI0.I2C0)
{
Device (ATPB)