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UPSTREAM: sb/bd82x6x: add ACPI method to generate USB port info

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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.

BUG=none
BRANCH=none
TEST=none

Change-Id: I6193b5763b63dd5486163460d734f2789822c8f4
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Original-Commit-Id: fa2df2a3f8
Original-Change-Id: Ib83660d6548112ceb6c75a31e5ce6c4a6041ccfb
Original-Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Original-Reviewed-on: https://review.coreboot.org/19962
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Original-Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://chromium-review.googlesource.com/521034
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
This commit is contained in:
Matt DeVillier 2017-04-17 18:00:25 -05:00 • committed by chrome-bot
parent 485efe53c9
commit 99bc4e39a3
1 changed files with 40 additions and 0 deletions
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40
src/southbridge/intel/bd82x6x/acpi/usb.asl
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@ -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