mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-02 01:19:49 +00:00
d9434a17e5
Add common x86 ASL files, taken from coreboot. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
21 lines
432 B
Text
21 lines
432 B
Text
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2016 Intel Corp.
|
|
*/
|
|
|
|
#define PCI_OSC_UUID "33DB4D5B-1FF7-401C-9657-7441C03DD766"
|
|
|
|
Scope (\_SB.PCI0) {
|
|
Method (_OSC, 4) {
|
|
/* Check for proper GUID */
|
|
If (LEqual (Arg0, ToUUID (PCI_OSC_UUID))) {
|
|
/* Let OS control everything */
|
|
Return (Arg3)
|
|
} Else {
|
|
/* Unrecognized UUID */
|
|
CreateDWordField (Arg3, 0, CDW1)
|
|
Or (CDW1, 4, CDW1)
|
|
Return (Arg3)
|
|
}
|
|
}
|
|
}
|