[coreboot-gerrit] New patch to review for coreboot: dd52a55 mainboard/jetway/nf81-t56n-lf: Rewrite ACPI OS detection
Edward O'Callaghan (eocallaghan@alterapraxis.com)
gerrit at coreboot.org
Fri May 30 23:42:53 CEST 2014
Edward O'Callaghan (eocallaghan at alterapraxis.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5886
-gerrit
commit dd52a55d2f85cbc16463f0462c6da465568161aa
Author: Edward O'Callaghan <eocallaghan at alterapraxis.com>
Date: Sat May 31 07:41:14 2014 +1000
mainboard/jetway/nf81-t56n-lf: Rewrite ACPI OS detection
Rewrite the ACPI OS detection method to support modern versions of
Windows and consider FreeBSD also.
Change-Id: Ied6a300fc17e455db1a51368fea238a53df657a8
Signed-off-by: Edward O'Callaghan <eocallaghan at alterapraxis.com>
---
.../jetway/nf81-t56n-lf/acpi/mainboard.asl | 47 ++++++++++++++++------
1 file changed, 34 insertions(+), 13 deletions(-)
diff --git a/src/mainboard/jetway/nf81-t56n-lf/acpi/mainboard.asl b/src/mainboard/jetway/nf81-t56n-lf/acpi/mainboard.asl
index 49ea44f..47c17df 100644
--- a/src/mainboard/jetway/nf81-t56n-lf/acpi/mainboard.asl
+++ b/src/mainboard/jetway/nf81-t56n-lf/acpi/mainboard.asl
@@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Advanced Micro Devices, Inc.
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan at alterapraxis.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -30,27 +31,47 @@ Name(HPBA, 0xFED00000) /* Base address of HPET table */
Name(SSFG, 0x0D) /* S1 support: bit 0, S2 Support: bit 1, etc. S0 & S5 assumed */
/* Some global data */
-Name(OSTP, 3) /* Assume nothing. WinXp = 1, Vista = 2, Linux = 3, WinCE = 4 */
+Name(OSTP, 3)
Name(OSV, Ones) /* Assume nothing */
Name(PMOD, One) /* Assume APIC */
Scope(\_SB) {
- Method(CkOT, 0){
-
- if(LNotEqual(OSTP, Ones)) {Return(OSTP)} /* OS version was already detected */
+ Method(CkOT, 0, NotSerialized)
+ {
+ If (LNotEqual (OSTP, Ones))
+ {
+ Return (OSTP) /* OS version was already detected */
+ }
- if(CondRefOf(\_OSI,Local1))
+ Store (One, OSTP) /* Assume some form of XP */
+ If (CondRefOf (\_OSI, Local1))
+ {
+ If (\_OSI ("Linux"))
+ {
+ Store (0x03, OSTP)
+ }
+ If (\_OSI ("FreeBSD"))
+ {
+ Store (0x06, OSTP)
+ }
+ If (\_OSI("Windows 2009"))
+ {
+ Store(0x0E, OSTP)
+ }
+ }
+ Else
{
- Store(1, OSTP) /* Assume some form of XP */
- if (\_OSI("Windows 2006")) /* Vista */
+ If (WCMP (\_OS, "Microsoft Windows"))
{
- Store(2, OSTP)
+ Store(One, OSTP)
}
- } else {
- If(WCMP(\_OS,"Linux")) {
- Store(3, OSTP) /* Linux */
- } Else {
- Store(4, OSTP) /* Gotta be WinCE */
+ If (WCMP (\_OS, "Linux"))
+ {
+ Store(0x03, OSTP)
+ }
+ If (WCMP (\_OS, "FreeBSD"))
+ {
+ Store(0x06, OSTP)
}
}
Return(OSTP)
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