Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4643
-gerrit
commit 82e6a719141473a303bf7022c760dcfca4036848 Author: Vladimir Serbinenko phcoder@gmail.com Date: Fri Jan 10 19:30:54 2014 +0100
X201: Enable expresscard hotplug.
Change-Id: Ieefc2ad775c16de9aa974b2602d55ee047c9f568 Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/mainboard/lenovo/x201/acpi/gpe.asl | 14 ++++++++++++++ src/mainboard/lenovo/x201/devicetree.cb | 5 +++++ src/mainboard/lenovo/x201/dsdt.asl | 1 + src/mainboard/lenovo/x201/mainboard.c | 8 ++++++++ src/southbridge/intel/bd82x6x/acpi/pcie.asl | 11 +++++++++++ 5 files changed, 39 insertions(+)
diff --git a/src/mainboard/lenovo/x201/acpi/gpe.asl b/src/mainboard/lenovo/x201/acpi/gpe.asl index b160b50..2f0ee16 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 f45fadf..a8831c2 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 783122e..0c921a6 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 75e44f4..c16c3a4 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 = { diff --git a/src/southbridge/intel/bd82x6x/acpi/pcie.asl b/src/southbridge/intel/bd82x6x/acpi/pcie.asl index 9cac321..14ae449 100644 --- a/src/southbridge/intel/bd82x6x/acpi/pcie.asl +++ b/src/southbridge/intel/bd82x6x/acpi/pcie.asl @@ -177,6 +177,17 @@ Device (RP04) { Return (IRQM (RPPN)) } + +#ifdef RP04_IS_EXPRESSCARD + Device (SLOT) + { + Name (_ADR, 0x00) + Method (_RMV, 0, NotSerialized) + { + Return (0x01) + } + } +#endif }
Device (RP05)