OvmfPkg: add comments to the DSDT, remove trailing empty line

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13622 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten 2012-08-13 15:40:43 +00:00
parent a42bdfccc3
commit b636c6e5ff

View File

@ -213,12 +213,13 @@ DefinitionBlock ("Dsdt.aml", "DSDT", 1, "INTEL ", "OVMF ", 3) {
//
// PCI to ISA Bridge (Bus 0, Device 1, Function 0)
// "Low Pin Count"
//
Device (LPC) {
Name (_ADR, 0x00010000)
//
// PCI Interrupt Routing Configuration Registers
// PCI Interrupt Routing Configuration Registers, PIRQRC[A:D]
//
OperationRegion (PRR0, PCI_Config, 0x60, 0x04)
Field (PRR0, ANYACC, NOLOCK, PRESERVE) {
@ -230,17 +231,19 @@ DefinitionBlock ("Dsdt.aml", "DSDT", 1, "INTEL ", "OVMF ", 3) {
//
// _STA method for LNKA, LNKB, LNKC, LNKD
// Arg0[in]: value of PIRA / PIRB / PIRC / PIRD
//
Method (PSTA, 1, NotSerialized) {
If (And (Arg0, 0x80)) {
Return (0x9)
If (And (Arg0, 0x80)) { // disable-bit set?
Return (0x9) // "device present" | "functioning properly"
} Else {
Return (0xB)
Return (0xB) // same | "enabled and decoding resources"
}
}
//
// _CRS method for LNKA, LNKB, LNKC, LNKD
// Arg0[in]: value of PIRA / PIRB / PIRC / PIRD
//
Method (PCRS, 1, NotSerialized) {
//
@ -527,4 +530,3 @@ DefinitionBlock ("Dsdt.aml", "DSDT", 1, "INTEL ", "OVMF ", 3) {
}
}
}