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soc/intel/meteorlake: Add support for USB wake up

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Add the same wakeup method that Alder Lake uses to Meteor Lake.

Test=boot `starlabs/starbook/mtl` and check USB devices can wake.

Change-Id: I67da6af619db947ab4830fa2d9904f3e70fbfd21
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86628
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
This commit is contained in:
Sean Rhodes 2025-02-27 19:57:53 +00:00 • committed by Matt DeVillier
commit b033367e61
1 changed files with 17 additions and 0 deletions
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17
src/soc/intel/meteorlake/acpi/xhci.asl
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@ -2,6 +2,9 @@
#include <soc/gpe.h>
/* Include UWES method for enabling USB wake */
#include <soc/intel/common/acpi/xhci_wake.asl>
/* XHCI Controller 0:14.0 */
Device (XHCI)
@ -10,6 +13,20 @@ Device (XHCI)
Name (_PRW, Package () { GPE0_PME_B0, 3 })
OperationRegion (XPRT, PCI_Config, 0x00, 0x100)
Field (XPRT, AnyAcc, NoLock, Preserve)
{
Offset (0x10),
, 16,
XMEM, 16, /* MEM_BASE */
}
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 */