diff options
| author | Matt DeVillier <matt.devillier@gmail.com> | 2017-04-17 18:00:25 -0500 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-05-31 19:09:12 +0200 |
| commit | fa2df2a3f88ed9d383b78f3a70815fd2ca9fd569 (patch) | |
| tree | b70d71a1279b49e3c7723db158f20bd00470ad0f /src/southbridge/intel | |
| parent | a7033936129baff23fd4ad83ca5963795c4c05c6 (diff) | |
sb/bd82x6x: 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: Ib83660d6548112ceb6c75a31e5ce6c4a6041ccfb
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/19962
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/southbridge/intel')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/acpi/usb.asl | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/acpi/usb.asl b/src/southbridge/intel/bd82x6x/acpi/usb.asl index e76acb8c91..5f78e3e904 100644 --- a/src/southbridge/intel/bd82x6x/acpi/usb.asl +++ b/src/southbridge/intel/bd82x6x/acpi/usb.asl @@ -40,6 +40,27 @@ Device (EHC1) { 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) + } + // How many are there? Device (PRT1) { Name (_ADR, 1) } // USB Port 0 Device (PRT2) { Name (_ADR, 2) } // USB Port 1 @@ -74,6 +95,25 @@ Device (EHC2) { 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) + } + // How many are there? Device (PRT1) { Name (_ADR, 1) } // USB Port 0 Device (PRT2) { Name (_ADR, 2) } // USB Port 1 |