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authorKyösti Mälkki <kyosti.malkki@gmail.com>2021-02-03 14:37:35 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2021-02-14 21:36:48 +0000
commit05af850b281f203de4bcf87e7864eaef78d2bff4 (patch)
treef1f5e7cf0047c9e274be1cc776f375996e25eeeb /src/southbridge/amd/cimx/sb800/acpi
parent29b030dfcfd2142fa1fdf79740f8f034785ad5fd (diff)
sb/amd/cimx/sb800: Move common OSFL method in ASL
We deal with mb/lippert/frontrunner-af later since it currently does not include <cimx/sb800/acpi/fch.asl>. Change-Id: I30b611fc1fb01777223d7222adc96308a247a35c Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/50591 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge/amd/cimx/sb800/acpi')
-rw-r--r--src/southbridge/amd/cimx/sb800/acpi/fch.asl24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/southbridge/amd/cimx/sb800/acpi/fch.asl b/src/southbridge/amd/cimx/sb800/acpi/fch.asl
index 59b556b5b0..ee9b125f2b 100644
--- a/src/southbridge/amd/cimx/sb800/acpi/fch.asl
+++ b/src/southbridge/amd/cimx/sb800/acpi/fch.asl
@@ -134,6 +134,30 @@ Method(_CRS, 0) {
Return (CRES) /* note to change the Name buffer */
} /* end of Method(_SB.PCI0._CRS) */
+/* Some global data */
+Name(OSVR, 3) /* Assume nothing. WinXp = 1, Vista = 2, Linux = 3, WinCE = 4 */
+
+Method(OSFL, 0){
+
+ if (OSVR != Ones) {Return (OSVR)} /* OS version was already detected */
+
+ if(CondRefOf(\_OSI))
+ {
+ OSVR = 1 /* Assume some form of XP */
+ if (\_OSI("Windows 2006")) /* Vista */
+ {
+ OSVR = 2
+ }
+ } else {
+ If (WCMP(\_OS,"Linux")) {
+ OSVR = 3 /* Linux */
+ } Else {
+ OSVR = 4 /* Gotta be WinCE */
+ }
+ }
+ Return(OSVR)
+}
+
/*
*
* FIRST METHOD CALLED UPON BOOT