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/* SPDX-License-Identifier: GPL-2.0-only */
#include <soc/gpe.h>
#define PORTSCN_OFFSET 0x480
#define PORTSCXUSB3_OFFSET 0x540
#define WAKE_ON_CONNECT_DISCONNECT_ENABLE 0x6000000
#define RO_BITS_OFF_MASK ~0x80FE0012
/*
* USB Port Wake Enable (UPWE) on usb attach/detach
* Arg0 - Port Number
* Arg1 - Port 1 Status and control offset
* Arg2 - xHCI Memory-mapped address
*/
Method (UPWE, 3, Serialized)
{
Local0 = Arg1 + ((Arg0 - 1) * 0x10)
/* Map ((XMEM << 16) + Local0 in PSCR */
OperationRegion (PSCR, SystemMemory, (Arg2 << 16) + Local0, 0x10)
Field (PSCR, DWordAcc, NoLock, Preserve)
{
PSCT, 32,
}
Local0 = PSCT
/*
* And port status/control reg with RO and RWS bits
* RO bits: 0, 2:3, 10:13, 24, 28:30
* RWS bits: 5:9, 14:16, 25:27
*/
Local0 = Local0 & RO_BITS_OFF_MASK
/* Set WCE and WDE bits */
Local0 = Local0 | WAKE_ON_CONNECT_DISCONNECT_ENABLE
PSCT = Local0
}
/*
* USB Wake Enable Setup (UWES)
* Arg0 - Port enable bitmap
* Arg1 - Port 1 Status and control offset
* Arg2 - xHCI Memory-mapped address
*/
Method (UWES, 3, Serialized)
{
Local0 = Arg0
While (1) {
FindSetRightBit (Local0, Local1)
If (Local1 == 0) {
Break
}
UPWE (Local1, Arg1, Arg2)
/*
* Clear the lowest set bit in Local0 since it was
* processed.
*/
Local0 = Local0 & (Local0 - 1)
}
}
/* XHCI Controller 0:14.0 */
Device (XHCI)
{
Name (_ADR, 0x00140000)
Name (_PRW, Package () { GPE0_PME_B0, 4 })
Method (_DSW, 3)
{
UWES ((\U2WE & 0xFFF), PORTSCN_OFFSET, XMEM)
UWES ((\U3WE & 0x3F ), PORTSCXUSB3_OFFSET, XMEM)
}
Name (_S3D, 3) /* D3 supported in S3 */
Name (_S0W, 3) /* D3 can wake device in S0 */
Name (_S3W, 3) /* D3 can wake system from S3 */
Name (_S4D, 3) /* D3 supported in S4 */
Name (_S4W, 3) /* D3 can wake system from S4 */
OperationRegion (XPRT, PCI_Config, 0x00, 0x100)
Field (XPRT, AnyAcc, NoLock, Preserve)
{
Offset (0x10),
, 16,
XMEM, 16, /* MEM_BASE */
Offset (0x74),
D0D3, 2, /* POWERSTATE */
, 6,
PMEE, 1, /* PME_EN */
, 6,
PMES, 1, /* PME_STS */
}
Method (_PS0, 0, Serialized)
{
}
Method (_PS3, 0, Serialized)
{
}
/* Root Hub for Cannonlake-LP PCH */
Device (RHUB)
{
Name (_ADR, 0)
/* USB2 */
Device (HS01) { Name (_ADR, 1) }
Device (HS02) { Name (_ADR, 2) }
Device (HS03) { Name (_ADR, 3) }
Device (HS04) { Name (_ADR, 4) }
Device (HS05) { Name (_ADR, 5) }
Device (HS06) { Name (_ADR, 6) }
Device (HS07) { Name (_ADR, 7) }
Device (HS08) { Name (_ADR, 8) }
Device (HS09) { Name (_ADR, 9) }
Device (HS10) { Name (_ADR, 10) }
Device (HS11) { Name (_ADR, 11) }
Device (HS12) { Name (_ADR, 12) }
/* USBr */
Device (USR1) { Name (_ADR, 11) }
Device (USR2) { Name (_ADR, 12) }
/* USB3 */
Device (SS01) { Name (_ADR, 13) }
Device (SS02) { Name (_ADR, 14) }
Device (SS03) { Name (_ADR, 15) }
Device (SS04) { Name (_ADR, 16) }
Device (SS05) { Name (_ADR, 17) }
Device (SS06) { Name (_ADR, 18) }
}
}
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