diff options
Diffstat (limited to 'src/soc/intel/skylake/acpi')
| -rw-r--r-- | src/soc/intel/skylake/acpi/xhci.asl | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/soc/intel/skylake/acpi/xhci.asl b/src/soc/intel/skylake/acpi/xhci.asl index 08f35bcf28..29367de6dd 100644 --- a/src/soc/intel/skylake/acpi/xhci.asl +++ b/src/soc/intel/skylake/acpi/xhci.asl @@ -29,14 +29,20 @@ Method (UPWE, 3, Serialized) /* Map ((XMEM << 16) + Local0 in PSCR */ OperationRegion (PSCR, SystemMemory, Add (ShiftLeft (Arg2, 16), Local0), 0x10) - Field (PSCR, AnyAcc, NoLock, Preserve) + Field (PSCR, DWordAcc, NoLock, Preserve) { - , 25, - UPCE, 1, - UPDE, 1, + PSCT, 32, } - Store (One, UPCE) - Store (One, UPDE) + Store(PSCT, Local0) + /* + * 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 + */ + And (Local0, ~0x80FE0012, Local0) + /* Set WCE and WDE bits */ + Or (Local0, 0x6000000, Local0) + Store(Local0, PSCT) } /* |