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/* SPDX-License-Identifier: GPL-2.0-only */
/* Intel Cougar Point USB support */
// EHCI Controller 0:1d.0
Device (EHC1)
{
Name(_ADR, 0x001d0000)
Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake
// Leave USB ports on for to allow Wake from USB
Method(_S3D,0) // Highest D State in S3 State
{
Return (2)
}
Method(_S4D,0) // Highest D State in S4 State
{
Return (2)
}
Device (HUB7)
{
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 (PCKG [0]), 0, 0x07, REV)
REV = 0x02
// VISI: Port visibility to user per port
CreateField (DerefOf (PCKG [0]), 0x40, 1, VISI)
VISI = Arg0
Return (PCKG)
}
// How many are there?
Device (PRT1) { Name (_ADR, 1) } // USB Port 0
Device (PRT2) { Name (_ADR, 2) } // USB Port 1
Device (PRT3) { Name (_ADR, 3) } // USB Port 2
Device (PRT4) { Name (_ADR, 4) } // USB Port 3
Device (PRT5) { Name (_ADR, 5) } // USB Port 4
Device (PRT6) { Name (_ADR, 6) } // USB Port 5
}
}
// EHCI #2 Controller 0:1a.0
Device (EHC2)
{
Name(_ADR, 0x001a0000)
Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake
// Leave USB ports on for to allow Wake from USB
Method(_S3D,0) // Highest D State in S3 State
{
Return (2)
}
Method(_S4D,0) // Highest D State in S4 State
{
Return (2)
}
Device (HUB7)
{
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 (PCKG [0]), 0, 0x07, REV)
REV = 0x02
// VISI: Port visibility to user per port
CreateField (DerefOf (PCKG [0]), 0x40, 1, VISI)
VISI = Arg0
Return (PCKG)
}
// How many are there?
Device (PRT1) { Name (_ADR, 1) } // USB Port 0
Device (PRT2) { Name (_ADR, 2) } // USB Port 1
Device (PRT3) { Name (_ADR, 3) } // USB Port 2
Device (PRT4) { Name (_ADR, 4) } // USB Port 3
Device (PRT5) { Name (_ADR, 5) } // USB Port 4
Device (PRT6) { Name (_ADR, 6) } // USB Port 5
}
}
Device (XHC)
{
Name(_ADR, 0x00140000)
OperationRegion(XDEV, PCI_Config, 0, 256)
Field(XDEV, DWordAcc, NoLock, Preserve)
{
Offset(0xD0),
X2PR, 32, // XUSB2PR
PRM2, 32, // XUSB2PRM
SSEN, 32, // USB3_PSSEN
RPM3, 32, // USB3PRM
XPRT, 32, // XHCI Ports
}
Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake
Method(POSC,2,Serialized)
{
/*
* Arg0 - An Integer containing a count of entries in Arg3
* Arg1 - A Buffer containing a list of DWORD capabilities
*/
// Create DWord field from the Capabilities Buffer
CreateDWordField(Arg1,0,CDW1)
// Check revision
If(Arg0 != 1) {
// Set unknown revision bit
CDW1 |= 8
}
// Set failure if xHCI is disabled by coreboot
If(XHCI == 0) {
CDW1 |= 2
}
// Query flag clear and xHCI in auto mode
If(!(CDW1 & 0x1) && (XHCI == 2 || XHCI == 3)) {
Printf ("XHCI Switch")
Local0 = 0
Local0 = XPRT & 0x03
If(Local0 == 0 || Local0 == 1) {
Local1 = 0x0f
}
ElseIf(Local0 == 2) {
Local1 = 3
}
ElseIf(Local0 == 3) {
Local1 = 0
}
Local0 = RPM3 & 0xfffffff0
RPM3 = Local0 | Local1
Local0 = PRM2 & 0xfffffff0
PRM2 = Local0 | Local1
Local0 = SSEN & 0xfffffff0
SSEN = Local0 | Local1
Local0 = X2PR & 0xfffffff0
X2PR = Local0 | Local1
}
Return(Arg1)
}
// Leave USB ports on for to allow Wake from USB
Method(_S3D,0) // Highest D State in S3 State
{
Return (2)
}
Method(_S4D,0) // Highest D State in S4 State
{
Return (2)
}
}
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