[coreboot-gerrit] New patch to review for coreboot: 53e03b2 samus: Enable WLAN wake GPIO in _PRW
Marc Jones (marc.jones@se-eng.com)
gerrit at coreboot.org
Tue Mar 24 21:35:33 CET 2015
Marc Jones (marc.jones at se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8953
-gerrit
commit 53e03b2eceecfb366957cd93ec1590862a95288b
Author: Duncan Laurie <dlaurie at chromium.org>
Date: Mon Aug 11 08:06:04 2014 -0700
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 at chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/211820
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
(cherry picked from commit c65ce028e64aebffb99648b2c34c4ff0e7c4e70f)
Signed-off-by: Marc Jones <marc.jones at se-eng.com>
Change-Id: If192564ddd10c7fe758a4d7266394a30e7d966d4
---
src/mainboard/google/samus/acpi/mainboard.asl | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/src/mainboard/google/samus/acpi/mainboard.asl b/src/mainboard/google/samus/acpi/mainboard.asl
index 9e9b577..8d5ecc6 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)
More information about the coreboot-gerrit
mailing list