[SeaBIOS] [PATCH] mark irq9 active high in DSDT
Gleb Natapov
gleb at redhat.com
Wed Oct 20 11:34:41 CEST 2010
In PIIX4 SCI (irq9) is active high. Seabios marks it so in interrupt
override table, but some OSes (FreeBSD) require the same information to
be present in DSDT too. Make it so.
Signed-off-by: Gleb Natapov <gleb at redhat.com>
diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl
index bb0a176..dafcf45 100644
--- a/src/acpi-dsdt.dsl
+++ b/src/acpi-dsdt.dsl
@@ -73,7 +73,7 @@ DefinitionBlock (
#define prt_slot3(nr) prt_slot(nr, LNKC, LNKD, LNKA, LNKB)
prt_slot0(0x0000),
/* Device 1 is power mgmt device, and can only use irq 9 */
- Package() { 0x0001ffff, 0, 0, 9 },
+ Package() { 0x0001ffff, 0, LNKS, 0 },
Package() { 0x0001ffff, 1, LNKB, 0 },
Package() { 0x0001ffff, 2, LNKC, 0 },
Package() { 0x0001ffff, 3, LNKD, 0 },
@@ -634,6 +634,46 @@ DefinitionBlock (
Store (TMP, PRQ3)
}
}
+ Device(LNKS){
+ Name(_HID, EISAID("PNP0C0F")) // PCI interrupt link
+ Name(_UID, 5)
+ Name(_PRS, ResourceTemplate(){
+ Interrupt (, Level, ActiveHigh, Shared)
+ { 9 }
+ })
+ Method (_STA, 0, NotSerialized)
+ {
+ Store (0x0B, Local0)
+ If (And (0x80, PRQ0, Local1))
+ {
+ Store (0x09, Local0)
+ }
+ Return (Local0)
+ }
+ Method (_DIS, 0, NotSerialized)
+ {
+ Or (PRQ0, 0x80, PRQ0)
+ }
+ Method (_CRS, 0, NotSerialized)
+ {
+ Name (PRR0, ResourceTemplate ()
+ {
+ Interrupt (, Level, ActiveHigh, Shared)
+ {9}
+ })
+ CreateDWordField (PRR0, 0x05, TMP)
+ Store (PRQ0, Local0)
+ If (LLess (Local0, 0x80))
+ {
+ Store (Local0, TMP)
+ }
+ Else
+ {
+ Store (Zero, TMP)
+ }
+ Return (PRR0)
+ }
+ }
}
/*
--
Gleb.
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