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authorSean Rhodes <sean@starlabs.systems>2022-02-24 10:44:59 +0000
committerFelix Held <felix-coreboot@felixheld.de>2022-03-08 15:02:33 +0000
commit28a30426fece253e463f8d4ed3bd6b031a906a29 (patch)
tree7adae2e55d84a1c23a4fa086e366b5b947377a69
parent2ba886aa6c94990b0708a78c85e3c4f8fb702185 (diff)
ec/starlabs/merlin: Disable ACPI support last when suspending
When entering suspend, ACPI support is disabled by setting OSFG to 0x00. This has been moved to be the final action, so it is after saving the current EC settings. Signed-off-by: Sean Rhodes <sean@starlabs.systems> Change-Id: I5705efab42d2fe0fd5abc6c17eeea46ead27db17 Reviewed-on: https://review.coreboot.org/c/coreboot/+/62335 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
-rw-r--r--src/ec/starlabs/merlin/acpi/suspend.asl12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/ec/starlabs/merlin/acpi/suspend.asl b/src/ec/starlabs/merlin/acpi/suspend.asl
index 2dae8dae68..f89e501a14 100644
--- a/src/ec/starlabs/merlin/acpi/suspend.asl
+++ b/src/ec/starlabs/merlin/acpi/suspend.asl
@@ -2,8 +2,6 @@
Method (RPTS, 1, NotSerialized)
{
- \_SB.PCI0.LPCB.EC.OSFG = 0x00
-
If ((Arg0 == 0x04) || (Arg0 == 0x05))
{
/* Store current EC settings in CMOS */
@@ -16,10 +14,20 @@ Method (RPTS, 1, NotSerialized)
\_SB.PCI0.LPCB.KLBC =
\_SB.PCI0.LPCB.EC.ECRD (RefOf (\_SB.PCI0.LPCB.EC.KLBE))
}
+
+ /*
+ * Disable ACPI support.
+ * This should always be the last action before entering S4 or S5.
+ */
+ \_SB.PCI0.LPCB.EC.OSFG = 0x00
}
Method (RWAK, 1, Serialized)
{
+ /*
+ * Enable ACPI support.
+ * This should always be the first action when exiting S4 or S5.
+ */
\_SB.PCI0.LPCB.EC.OSFG = 0x01
/* Restore EC settings from CMOS */