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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
parent786c0f5fca4735f4d4b8d680749f6ef8b6198a3f (diff)
downloadcoreboot-4c8b1ee14a0a293289fe90e4c25032979b35adbb.tar.xz
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')
-rw-r--r--src/mainboard/lenovo/x201/acpi/gpe.asl14
-rw-r--r--src/mainboard/lenovo/x201/devicetree.cb5
-rw-r--r--src/mainboard/lenovo/x201/dsdt.asl1
-rw-r--r--src/mainboard/lenovo/x201/mainboard.c8
4 files changed, 28 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)
+ }
+ }
+ }
}
diff --git a/src/mainboard/lenovo/x201/devicetree.cb b/src/mainboard/lenovo/x201/devicetree.cb
index f45fadfc8b..a8831c2691 100644
--- a/src/mainboard/lenovo/x201/devicetree.cb
+++ b/src/mainboard/lenovo/x201/devicetree.cb
@@ -129,6 +129,11 @@ chip northbridge/intel/nehalem
device pci 1b.0 on # Audio Controller
subsystemid 0x17aa 0x215e
end
+
+ device pci 1c.0 on end # PCIe Port #1
+ device pci 1c.3 on end # PCIe Port #4 (Expresscard)
+ device pci 1c.4 on end # PCIe Port #4 (wlan)
+
device pci 1d.0 on # USB2 EHCI
subsystemid 0x17aa 0x2163
end
diff --git a/src/mainboard/lenovo/x201/dsdt.asl b/src/mainboard/lenovo/x201/dsdt.asl
index 783122ecb3..0c921a6f9c 100644
--- a/src/mainboard/lenovo/x201/dsdt.asl
+++ b/src/mainboard/lenovo/x201/dsdt.asl
@@ -23,6 +23,7 @@
#define BRIGHTNESS_UP \_SB.PCI0.GFX0.LCD0.INCB
#define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.LCD0.DECB
#define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0
+#define RP04_IS_EXPRESSCARD 1
DefinitionBlock(
"dsdt.aml",
diff --git a/src/mainboard/lenovo/x201/mainboard.c b/src/mainboard/lenovo/x201/mainboard.c
index 75e44f4856..c16c3a4ccc 100644
--- a/src/mainboard/lenovo/x201/mainboard.c
+++ b/src/mainboard/lenovo/x201/mainboard.c
@@ -163,6 +163,14 @@ static void mainboard_enable(device_t dev)
*/
pc_keyboard_init(0);
verb_setup();
+
+ /* Enable expresscard hotplug events. */
+ pci_write_config32(dev_find_slot(0, PCI_DEVFN(0x1c, 3)),
+ 0xd8,
+ pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x1c, 3)), 0xd8)
+ | (1 << 30));
+ pci_write_config16(dev_find_slot(0, PCI_DEVFN(0x1c, 3)),
+ 0x42, 0x142);
}
struct chip_operations mainboard_ops = {