diff options
Diffstat (limited to 'MdePkg/Include/IndustryStandard/Pci22.h')
| -rw-r--r-- | MdePkg/Include/IndustryStandard/Pci22.h | 46 |
1 files changed, 33 insertions, 13 deletions
diff --git a/MdePkg/Include/IndustryStandard/Pci22.h b/MdePkg/Include/IndustryStandard/Pci22.h index 0b3a785ef1..db24a153e1 100644 --- a/MdePkg/Include/IndustryStandard/Pci22.h +++ b/MdePkg/Include/IndustryStandard/Pci22.h @@ -646,18 +646,6 @@ typedef struct { } EFI_PCI_CAPABILITY_HDR;
///
-/// Power Management Register Block Definition
-/// Section 3.2, PCI Power Management Interface Specifiction, Revision 1.2
-///
-typedef struct {
- EFI_PCI_CAPABILITY_HDR Hdr;
- UINT16 PMC;
- UINT16 PMCSR;
- UINT8 BridgeExtention;
- UINT8 Data;
-} EFI_PCI_CAPABILITY_PMI;
-
-///
/// PMC - Power Management Capabilities
/// Section 3.2.3, PCI Power Management Interface Specifiction, Revision 1.2
///
@@ -684,7 +672,9 @@ typedef union { typedef union {
struct {
UINT16 PowerState : 2;
- UINT16 Reserved : 6;
+ UINT16 ReservedForPciExpress : 1;
+ UINT16 NoSoftReset : 1;
+ UINT16 Reserved : 4;
UINT16 PmeEnable : 1;
UINT16 DataSelect : 4;
UINT16 DataScale : 2;
@@ -693,6 +683,36 @@ typedef union { UINT16 Data;
} EFI_PCI_PMCSR;
+#define PCI_POWER_STATE_D0 0
+#define PCI_POWER_STATE_D1 1
+#define PCI_POWER_STATE_D2 2
+#define PCI_POWER_STATE_D3_HOT 3
+
+///
+/// PMCSR_BSE - PMCSR PCI-to-PCI Bridge Support Extensions
+/// Section 3.2.5, PCI Power Management Interface Specifiction, Revision 1.2
+///
+typedef union {
+ struct {
+ UINT8 Reserved : 6;
+ UINT8 B2B3 : 1;
+ UINT8 BusPowerClockControl : 1;
+ } Bits;
+ UINT8 Uint8;
+} EFI_PCI_PMCSR_BSE;
+
+///
+/// Power Management Register Block Definition
+/// Section 3.2, PCI Power Management Interface Specifiction, Revision 1.2
+///
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ EFI_PCI_PMC PMC;
+ EFI_PCI_PMCSR PMCSR;
+ EFI_PCI_PMCSR_BSE BridgeExtention;
+ UINT8 Data;
+} EFI_PCI_CAPABILITY_PMI;
+
///
/// A.G.P Capability
/// Section 6.1.4, Accelerated Graphics Port Interface Specification, Revision 1.0
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