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authorVladimir Serbinenko <phcoder@gmail.com>2014-01-10 19:30:54 +0100
committerVladimir Serbinenko <phcoder@gmail.com>2014-01-23 20:32:41 +0100
commit4c8b1ee14a0a293289fe90e4c25032979b35adbb (patch)
tree4a6f955d646868863281be5023f3df807dd497de /src/mainboard/lenovo/x201/acpi
parent786c0f5fca4735f4d4b8d680749f6ef8b6198a3f (diff)
X201: Enable expresscard hotplug.
Change-Id: Ieefc2ad775c16de9aa974b2602d55ee047c9f568 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/4643 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/mainboard/lenovo/x201/acpi')
-rw-r--r--src/mainboard/lenovo/x201/acpi/gpe.asl14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x201/acpi/gpe.asl b/src/mainboard/lenovo/x201/acpi/gpe.asl
index b160b5015f..2f0ee16695 100644
--- a/src/mainboard/lenovo/x201/acpi/gpe.asl
+++ b/src/mainboard/lenovo/x201/acpi/gpe.asl
@@ -27,4 +27,18 @@ Scope (\_GPE)
/* Read EC register to clear wake status */
Store(\_SB.PCI0.LPCB.EC.WAKE, Local0)
}
+
+ Method (_L01, 0, NotSerialized)
+ {
+ If (\_SB.PCI0.RP04.HPCS)
+ {
+ Sleep (100)
+ Store (0x01, \_SB.PCI0.RP04.HPCS)
+ If (\_SB.PCI0.RP04.PDC)
+ {
+ Store (0x01, \_SB.PCI0.RP04.PDC)
+ Notify (\_SB.PCI0.RP04, 0x00)
+ }
+ }
+ }
}