PciConfigSpaceParser.h

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#ifndef PCI_CONFIG_SPACE_PARSER_H_
#define PCI_CONFIG_SPACE_PARSER_H_
 
#define READ_BITS(ADDR, OFF, LEN)  (((ADDR) >> (OFF)) & ((1<<(LEN))-1))
 
/* Pci address attributes.
*/
#define READ_PCI_N(ADDR)  READ_BITS((ADDR), 31, 1)
#define READ_PCI_P(ADDR)  READ_BITS((ADDR), 30, 1)
#define READ_PCI_T(ADDR)  READ_BITS((ADDR), 29, 1)
 
#define READ_PCI_SS(ADDR)  READ_BITS((ADDR), 24, 2)
#define READ_PCI_BBBBBBBB(ADDR)  READ_BITS((ADDR), 16, 8)
#define READ_PCI_DDDDD(ADDR)  READ_BITS((ADDR), 11, 5)
 
#define PCI_ADDRESS_CELLS     3U
#define PCI_SIZE_CELLS        2U
#define PCI_INTERRUPTS_CELLS  1U
 
#define DT_PCI_IRQ_FLAGS(x)  (((x) & 0xF) == BIT0)
 
typedef enum PciMappingTable {
  PciMappingTableAddress,           
  PciMappingTableInterrupt,         
  PciMappingTableMax,               
} PCI_MAPPING_TABLE;
 
#pragma pack(1)
 
typedef struct PciParserTable {
  CM_ARCH_COMMON_PCI_CONFIG_SPACE_INFO    PciConfigSpaceInfo;
 
  CM_OBJ_DESCRIPTOR                       Mapping[PciMappingTableMax];
} PCI_PARSER_TABLE;
 
#pragma pack()
 
EFI_STATUS
EFIAPI
PciConfigInfoParser (
  IN  CONST FDT_HW_INFO_PARSER_HANDLE  FdtParserHandle,
  IN        INT32                      FdtBranch
  );
 
#endif // PCI_CONFIG_SPACE_PARSER_H_