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#ifndef __INCmvPciUtilsh
#define __INCmvPciUtilsh
/*
This module only support scanning of Header type 00h of pci devices
There is no suppotr for Header type 01h of pci devices ( PCI bridges )
*/
/* includes */
#include "mvSysHwConfig.h"
#include "pci-if/mvPciIf.h"
#include "pci/mvPciRegs.h"
/* PCI base address low bar mask */
#define PCI_ERROR_CODE 0xffffffff
#define PCI_BRIDGE_CLASS 0x6
#define P2P_BRIDGE_SUB_CLASS_CODE 0x4
#define P2P_BUSSES_NUM 0x18
#define P2P_IO_BASE_LIMIT_SEC_STATUS 0x1C
#define P2P_MEM_BASE_LIMIT 0x20
#define P2P_PREF_MEM_BASE_LIMIT 0x24
#define P2P_PREF_BASE_UPPER_32 0x28
#define P2P_PREF_LIMIT_UPPER_32 0x2C
#define P2P_IO_BASE_LIMIT_UPPER_16 0x30
#define P2P_EXP_ROM 0x38
/* P2P_BUSSES_NUM (PBM) */
#define PBM_PRIME_BUS_NUM_OFFS 0
#define PBM_PRIME_BUS_NUM_MASK (0xff << PBM_PRIME_BUS_NUM_OFFS)
#define PBM_SEC_BUS_NUM_OFFS 8
#define PBM_SEC_BUS_NUM_MASK (0xff << PBM_SEC_BUS_NUM_OFFS)
#define PBM_SUB_BUS_NUM_OFFS 16
#define PBM_SUB_BUS_NUM_MASK (0xff << PBM_SUB_BUS_NUM_OFFS)
#define PBM_SEC_LAT_TMR_OFFS 24
#define PBM_SEC_LAT_TMR_MASK (0xff << PBM_SEC_LAT_TMR_OFFS)
/* P2P_IO_BASE_LIMIT_SEC_STATUS (PIBLSS) */
#define PIBLSS_IO_BASE_OFFS 0
#define PIBLSS_IO_BASE_MASK (0xff << PIBLSS_IO_BASE_OFFS)
#define PIBLSS_ADD_CAP_OFFS 0
#define PIBLSS_ADD_CAP_MASK (0x3 << PIBLSS_ADD_CAP_OFFS)
#define PIBLSS_ADD_CAP_16BIT (0x0 << PIBLSS_ADD_CAP_OFFS)
#define PIBLSS_ADD_CAP_32BIT (0x1 << PIBLSS_ADD_CAP_OFFS)
#define PIBLSS_LOW_ADDR_OFFS 0
#define PIBLSS_LOW_ADDR_MASK (0xFFF << PIBLSS_LOW_ADDR_OFFS)
#define PIBLSS_HIGH_ADDR_OFFS 12
#define PIBLSS_HIGH_ADDR_MASK (0xF << PIBLSS_HIGH_ADDR_OFFS)
#define PIBLSS_IO_LIMIT_OFFS 8
#define PIBLSS_IO_LIMIT_MASK (0xff << PIBLSS_IO_LIMIT_OFFS)
#define PIBLSS_SEC_STATUS_OFFS 16
#define PIBLSS_SEC_STATUS_MASK (0xffff << PIBLSS_SEC_STATUS_OFFS)
/* P2P_MEM_BASE_LIMIT (PMBL)*/
#define PMBL_MEM_BASE_OFFS 0
#define PMBL_MEM_BASE_MASK (0xffff << PMBL_MEM_BASE_OFFS)
#define PMBL_MEM_LIMIT_OFFS 16
#define PMBL_MEM_LIMIT_MASK (0xffff << PMBL_MEM_LIMIT_OFFS)
#define PMBL_LOW_ADDR_OFFS 0
#define PMBL_LOW_ADDR_MASK (0xFFFFF << PMBL_LOW_ADDR_OFFS)
#define PMBL_HIGH_ADDR_OFFS 20
#define PMBL_HIGH_ADDR_MASK (0xFFF << PMBL_HIGH_ADDR_OFFS)
/* P2P_PREF_MEM_BASE_LIMIT (PRMBL) */
#define PRMBL_PREF_MEM_BASE_OFFS 0
#define PRMBL_PREF_MEM_BASE_MASK (0xffff << PRMBL_PREF_MEM_BASE_OFFS)
#define PRMBL_PREF_MEM_LIMIT_OFFS 16
#define PRMBL_PREF_MEM_LIMIT_MASK (0xffff<<PRMBL_PREF_MEM_LIMIT_OFFS)
#define PRMBL_LOW_ADDR_OFFS 0
#define PRMBL_LOW_ADDR_MASK (0xFFFFF << PRMBL_LOW_ADDR_OFFS)
#define PRMBL_HIGH_ADDR_OFFS 20
#define PRMBL_HIGH_ADDR_MASK (0xFFF << PRMBL_HIGH_ADDR_OFFS)
#define PRMBL_ADD_CAP_OFFS 0
#define PRMBL_ADD_CAP_MASK (0xf << PRMBL_ADD_CAP_OFFS)
#define PRMBL_ADD_CAP_32BIT (0x0 << PRMBL_ADD_CAP_OFFS)
#define PRMBL_ADD_CAP_64BIT (0x1 << PRMBL_ADD_CAP_OFFS)
/* P2P_IO_BASE_LIMIT_UPPER_16 (PIBLU) */
#define PRBU_IO_UPP_BASE_OFFS 0
#define PRBU_IO_UPP_BASE_MASK (0xffff << PRBU_IO_UPP_BASE_OFFS)
#define PRBU_IO_UPP_LIMIT_OFFS 16
#define PRBU_IO_UPP_LIMIT_MASK (0xffff << PRBU_IO_UPP_LIMIT_OFFS)
/* typedefs */
typedef enum _mvPciBarMapping
{
PCI_MEMORY_BAR,
PCI_IO_BAR,
PCI_NO_MAPPING
}MV_PCI_BAR_MAPPING;
typedef enum _mvPciBarType
{
PCI_32BIT_BAR,
PCI_64BIT_BAR
}MV_PCI_BAR_TYPE;
typedef enum _mvPciIntPin
{
MV_PCI_INTA = 1,
MV_PCI_INTB = 2,
MV_PCI_INTC = 3,
MV_PCI_INTD = 4
}MV_PCI_INT_PIN;
typedef enum _mvPciHeader
{
MV_PCI_STANDARD,
MV_PCI_PCI2PCI_BRIDGE
}MV_PCI_HEADER;
/* BAR structure */
typedef struct _pciBar
{
MV_U32 barOffset;
MV_U32 barBaseLow;
MV_U32 barBaseHigh;
MV_U32 barSizeLow;
MV_U32 barSizeHigh;
/* The 'barBaseAddr' is a 64-bit variable
that will contain the TOTAL base address
value achived by combining both the 'barBaseLow'
and the 'barBaseHigh' parameters as follows:
BIT: 63 31 0
| | |
barBaseHigh barBaseLow */
MV_U64 barBaseAddr;
/* The 'barSize' is a 64-bit variable
that will contain the TOTAL size achived
by combining both the 'barSizeLow' and
the 'barSizeHigh' parameters as follows:
BIT: 63 31 0
| | |
barSizeHigh barSizeLow
NOTE: The total size described above
is AFTER the size calculation as
described in PCI spec rev2.2 */
MV_U64 barSize;
MV_BOOL isPrefetchable;
MV_PCI_BAR_TYPE barType;
MV_PCI_BAR_MAPPING barMapping;
} PCI_BAR;
/* Device information structure */
typedef struct _mvPciDevice
{
/* Device specific information */
MV_U32 busNumber; /* Pci agent bus number */
MV_U32 deviceNum; /* Pci agent device number */
MV_U32 function; /* Pci agent function number */
MV_U32 venID; /* Pci agent Vendor ID */
MV_U32 deviceID; /* Pci agent Device ID */
MV_BOOL isFastB2BCapable; /* Capability of Fast Back to Back
transactions */
MV_BOOL isCapListSupport; /* Support of Capability list */
MV_BOOL is66MHZCapable; /* 66MHZ support */
MV_U32 baseClassCode; /* Pci agent base Class Code */
MV_U32 subClassCode; /* Pci agent sub Class Code */
MV_U32 progIf; /* Pci agent Programing interface */
MV_U32 revisionID;
PCI_BAR pciBar[6]; /* Pci agent bar list */
MV_U32 p2pPrimBusNum; /* P2P Primary Bus number*/
MV_U32 p2pSecBusNum; /* P2P Secondary Bus Number*/
MV_U32 p2pSubBusNum; /* P2P Subordinate bus Number */
MV_U32 p2pSecLatencyTimer; /* P2P Econdary Latency Timer*/
MV_U32 p2pIObase; /* P2P IO Base */
MV_U32 p2pIOLimit; /* P2P IO Linit */
MV_BOOL bIO32;
MV_U32 p2pSecStatus; /* P2P Secondary Status */
MV_U32 p2pMemBase; /* P2P Memory Space */
MV_U32 p2pMemLimit; /* P2P Memory Limit*/
MV_U32 p2pPrefMemBase; /* P2P Prefetchable Mem Base*/
MV_U32 p2pPrefMemLimit; /* P2P Prefetchable Memory Limit*/
MV_BOOL bPrefMem64;
MV_U32 p2pPrefBaseUpper32Bits;/* P2P Prefetchable upper 32 bits*/
MV_U32 p2pPrefLimitUpper32Bits;/* P2P prefetchable limit upper 32*/
MV_U32 pciCacheLine; /* Pci agent cache line */
MV_U32 pciLatencyTimer; /* Pci agent Latency timer */
MV_PCI_HEADER pciHeader; /* Pci agent header type*/
MV_BOOL isMultiFunction; /* Multi function support */
MV_BOOL isBISTCapable; /* Self test capable */
MV_U32 subSysID; /* Sub System ID */
MV_U32 subSysVenID; /* Sub System Vendor ID */
MV_BOOL isExpRom; /* Expantion Rom support */
MV_U32 expRomAddr; /* Expantion Rom pointer */
MV_U32 capListPointer; /* Capability list pointer */
MV_U32 irqLine; /* IRQ line */
MV_PCI_INT_PIN intPin; /* Interrupt pin */
MV_U32 minGrant; /* Minimum grant*/
MV_U32 maxLatency; /* Maximum latency*/
MV_U32 funtionsNum; /* pci agent total functions number */
MV_U32 barsNum;
MV_U8 type[60]; /* class name of the pci agent */
} MV_PCI_DEVICE;
/* PCI gloabl functions */
MV_STATUS mvPciClassNameGet(MV_U32 classCode, MV_8 *pType);
/* Performs a full scan on both PCIs and returns all possible details on the
agents found on the bus. */
MV_STATUS mvPciScan(MV_U32 pciIf,
MV_PCI_DEVICE *pPciAgents,
MV_U32 *pPciAgentsNum);
#endif /* #ifndef __INCmvPciUtilsh */