diff options
| author | Matt DeVillier <matt.devillier@gmail.com> | 2017-04-17 18:36:26 -0500 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-06-04 21:38:48 +0200 |
| commit | b79d058767f782718d757c41377132de573aac4c (patch) | |
| tree | 68a503a8a1df22bc5d5700c0bc720b624c48e812 /src/soc/intel | |
| parent | ce768f3baff20815f227fffbf1bb406f3a7dd1a7 (diff) | |
soc/broadwell: add ACPI method to generate USB port info
Add ACPI method GPLD to generate port location data when
passed visiblity info. Will be used by _PLD method in
board-specific USB .asl files.
Change-Id: Id6e6699fe3eaafbe6847479d45c70a1d57bd327a
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/19969
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/broadwell/acpi/xhci.asl | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/acpi/xhci.asl b/src/soc/intel/broadwell/acpi/xhci.asl index 53b3956908..d638a27d30 100644 --- a/src/soc/intel/broadwell/acpi/xhci.asl +++ b/src/soc/intel/broadwell/acpi/xhci.asl @@ -355,6 +355,22 @@ Device (XHCI) { Name (_ADR, 0x00000000) + // GPLD: Generate Port Location Data (PLD) + Method (GPLD, 1, Serialized) { + Name (PCKG, Package (0x01) { + Buffer (0x10) {} + }) + + // REV: Revision 0x02 for ACPI 5.0 + CreateField (DerefOf (Index (PCKG, Zero)), Zero, 0x07, REV) + Store (0x02, REV) + + // VISI: Port visibility to user per port + CreateField (DerefOf (Index (PCKG, Zero)), 0x40, One, VISI) + Store (Arg0, VISI) + Return (PCKG) + } + Device (PRT1) { Name (_ADR, 1) } // USB Port 0 Device (PRT2) { Name (_ADR, 2) } // USB Port 1 Device (PRT3) { Name (_ADR, 3) } // USB Port 2 |