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

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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
1 changed files with 7 additions and 5 deletions
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12
OvmfPkg/AcpiTables/Dsdt.asl
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@ -213,12 +213,13 @@ DefinitionBlock ("Dsdt.aml", "DSDT", 1, "INTEL ", "OVMF ", 3) {
// //
// PCI to ISA Bridge (Bus 0, Device 1, Function 0) // PCI to ISA Bridge (Bus 0, Device 1, Function 0)
// "Low Pin Count"
// //
Device (LPC) { Device (LPC) {
Name (_ADR, 0x00010000) Name (_ADR, 0x00010000)
// //
// PCI Interrupt Routing Configuration Registers // PCI Interrupt Routing Configuration Registers, PIRQRC[A:D]
// //
OperationRegion (PRR0, PCI_Config, 0x60, 0x04) OperationRegion (PRR0, PCI_Config, 0x60, 0x04)
Field (PRR0, ANYACC, NOLOCK, PRESERVE) { Field (PRR0, ANYACC, NOLOCK, PRESERVE) {
@ -230,17 +231,19 @@ DefinitionBlock ("Dsdt.aml", "DSDT", 1, "INTEL ", "OVMF ", 3) {
// //
// _STA method for LNKA, LNKB, LNKC, LNKD // _STA method for LNKA, LNKB, LNKC, LNKD
// Arg0[in]: value of PIRA / PIRB / PIRC / PIRD
// //
Method (PSTA, 1, NotSerialized) { Method (PSTA, 1, NotSerialized) {
If (And (Arg0, 0x80)) { If (And (Arg0, 0x80)) { // disable-bit set?
Return (0x9) Return (0x9) // "device present" | "functioning properly"
} Else { } Else {
Return (0xB) Return (0xB) // same | "enabled and decoding resources"
} }
} }
// //
// _CRS method for LNKA, LNKB, LNKC, LNKD // _CRS method for LNKA, LNKB, LNKC, LNKD
// Arg0[in]: value of PIRA / PIRB / PIRC / PIRD
// //
Method (PCRS, 1, NotSerialized) { Method (PCRS, 1, NotSerialized) {
// //
@ -527,4 +530,3 @@ DefinitionBlock ("Dsdt.aml", "DSDT", 1, "INTEL ", "OVMF ", 3) {
} }
} }
} }