| /* PCI.h - PCI functions header file */ |
| |
| /* Copyright - Galileo technology. */ |
| |
| #ifndef __INCpcih |
| #define __INCpcih |
| |
| /* includes */ |
| |
| #include"core.h" |
| #include"memory.h" |
| |
| /* According to PCI REV 2.1 MAX agents allowed on the bus are -21- */ |
| #define PCI_MAX_DEVICES 22 |
| |
| |
| /* Macros */ |
| |
| /* The next Macros configurate the initiator board (SELF) or any any agent on |
| the PCI to become: MASTER, response to MEMORY transactions , response to |
| IO transactions or TWO both MEMORY_IO transactions. Those configuration |
| are for both PCI0 and PCI1. */ |
| |
| #define PCI_MEMORY_ENABLE(host, deviceNumber) pciWriteConfigReg(host, \ |
| PCI_STATUS_AND_COMMAND,deviceNumber,MEMORY_ENABLE | \ |
| pciReadConfigReg(host, PCI_STATUS_AND_COMMAND,deviceNumber) ) |
| |
| #define PCI_IO_ENABLE(host, deviceNumber) pciWriteConfigReg(host, \ |
| PCI_STATUS_AND_COMMAND,deviceNumber,I_O_ENABLE | \ |
| pciReadConfigReg(host, PCI_STATUS_AND_COMMAND,deviceNumber) ) |
| |
| #define PCI_SLAVE_ENABLE(host, deviceNumber) pciWriteConfigReg(host, \ |
| PCI_STATUS_AND_COMMAND,deviceNumber,MEMORY_ENABLE | I_O_ENABLE | \ |
| pciReadConfigReg(host, PCI_STATUS_AND_COMMAND,deviceNumber) ) |
| |
| #define PCI_DISABLE(host, deviceNumber) pciWriteConfigReg(host, \ |
| PCI_STATUS_AND_COMMAND,deviceNumber,0xfffffff8 & \ |
| pciReadConfigReg(host, PCI_STATUS_AND_COMMAND,deviceNumber)) |
| |
| #define PCI_MASTER_ENABLE(host,deviceNumber) pciWriteConfigReg(host, \ |
| PCI_STATUS_AND_COMMAND,deviceNumber,MASTER_ENABLE | \ |
| pciReadConfigReg(host,PCI_STATUS_AND_COMMAND,deviceNumber) ) |
| |
| #define PCI_MASTER_DISABLE(deviceNumber) pciWriteConfigReg(host, \ |
| PCI_STATUS_AND_COMMAND,deviceNumber,~MASTER_ENABLE & \ |
| pciReadConfigReg(host,PCI_STATUS_AND_COMMAND,deviceNumber) ) |
| |
| #define MASTER_ENABLE BIT2 |
| #define MEMORY_ENABLE BIT1 |
| #define I_O_ENABLE BIT0 |
| #define SELF 32 |
| |
| /* Agent on the PCI bus may have up to 6 BARS. */ |
| #define BAR0 0x10 |
| #define BAR1 0x14 |
| #define BAR2 0x18 |
| #define BAR3 0x1c |
| #define BAR4 0x20 |
| #define BAR5 0x24 |
| #define BAR_SEL_MEM_IO BIT0 |
| #define BAR_MEM_TYPE_32_BIT NO_BIT |
| #define BAR_MEM_TYPE_BELOW_1M BIT1 |
| #define BAR_MEM_TYPE_64_BIT BIT2 |
| #define BAR_MEM_TYPE_RESERVED (BIT1 | BIT2) |
| #define BAR_MEM_TYPE_MASK (BIT1 | BIT2) |
| #define BAR_PREFETCHABLE BIT3 |
| #define BAR_CONFIG_MASK (BIT0 | BIT1 | BIT2 | BIT3) |
| |
| /* Defines for the access regions. */ |
| #define PREFETCH_ENABLE BIT12 |
| #define PREFETCH_DISABLE NO_BIT |
| #define DELAYED_READ_ENABLE BIT13 |
| /* #define CACHING_ENABLE BIT14 */ |
| /* aggressive prefetch: PCI slave prefetch two burst in advance*/ |
| #define AGGRESSIVE_PREFETCH BIT16 |
| /* read line aggresive prefetch: PCI slave prefetch two burst in advance*/ |
| #define READ_LINE_AGGRESSIVE_PREFETCH BIT17 |
| /* read multiple aggresive prefetch: PCI slave prefetch two burst in advance*/ |
| #define READ_MULTI_AGGRESSIVE_PREFETCH BIT18 |
| #define MAX_BURST_4 NO_BIT |
| #define MAX_BURST_8 BIT20 /* Bits[21:20] = 01 */ |
| #define MAX_BURST_16 BIT21 /* Bits[21:20] = 10 */ |
| #define PCI_BYTE_SWAP NO_BIT /* Bits[25:24] = 00 */ |
| #define PCI_NO_SWAP BIT24 /* Bits[25:24] = 01 */ |
| #define PCI_BYTE_AND_WORD_SWAP BIT25 /* Bits[25:24] = 10 */ |
| #define PCI_WORD_SWAP (BIT24 | BIT25) /* Bits[25:24] = 11 */ |
| #define PCI_ACCESS_PROTECT BIT28 |
| #define PCI_WRITE_PROTECT BIT29 |
| |
| /* typedefs */ |
| |
| typedef enum __pciAccessRegions{REGION0,REGION1,REGION2,REGION3,REGION4,REGION5, |
| REGION6,REGION7} PCI_ACCESS_REGIONS; |
| |
| typedef enum __pciAgentPrio{LOW_AGENT_PRIO,HI_AGENT_PRIO} PCI_AGENT_PRIO; |
| typedef enum __pciAgentPark{PARK_ON_AGENT,DONT_PARK_ON_AGENT} PCI_AGENT_PARK; |
| |
| typedef enum __pciSnoopType{PCI_NO_SNOOP,PCI_SNOOP_WT,PCI_SNOOP_WB} |
| PCI_SNOOP_TYPE; |
| typedef enum __pciSnoopRegion{PCI_SNOOP_REGION0,PCI_SNOOP_REGION1, |
| PCI_SNOOP_REGION2,PCI_SNOOP_REGION3} |
| PCI_SNOOP_REGION; |
| |
| typedef enum __memPciHost{PCI_HOST0,PCI_HOST1} PCI_HOST; |
| typedef enum __memPciRegion{PCI_REGION0,PCI_REGION1, |
| PCI_REGION2,PCI_REGION3, |
| PCI_IO} |
| PCI_REGION; |
| |
| /*ronen 7/Dec/03 */ |
| typedef enum __pci_bar_windows{PCI_CS0_BAR, PCI_CS1_BAR, PCI_CS2_BAR, |
| PCI_CS3_BAR, PCI_DEV_CS0_BAR, PCI_DEV_CS1_BAR, |
| PCI_DEV_CS2_BAR, PCI_DEV_CS3_BAR, PCI_BOOT_CS_BAR, |
| PCI_MEM_INT_REG_BAR, PCI_IO_INT_REG_BAR, |
| PCI_P2P_MEM0_BAR, PCI_P2P_MEM1_BAR, |
| PCI_P2P_IO_BAR, PCI_CPU_BAR, PCI_INT_SRAM_BAR, |
| PCI_LAST_BAR} PCI_INTERNAL_BAR; |
| |
| typedef struct pciBar { |
| unsigned int detectBase; |
| unsigned int base; |
| unsigned int size; |
| unsigned int type; |
| } PCI_BAR; |
| |
| typedef struct pciDevice { |
| PCI_HOST host; |
| char type[40]; |
| unsigned int deviceNum; |
| unsigned int venID; |
| unsigned int deviceID; |
| PCI_BAR bar[6]; |
| } PCI_DEVICE; |
| |
| typedef struct pciSelfBars { |
| unsigned int SCS0Base; |
| unsigned int SCS0Size; |
| unsigned int SCS1Base; |
| unsigned int SCS1Size; |
| unsigned int SCS2Base; |
| unsigned int SCS2Size; |
| unsigned int SCS3Base; |
| unsigned int SCS3Size; |
| unsigned int internalMemBase; |
| unsigned int internalIOBase; |
| unsigned int CS0Base; |
| unsigned int CS0Size; |
| unsigned int CS1Base; |
| unsigned int CS1Size; |
| unsigned int CS2Base; |
| unsigned int CS2Size; |
| unsigned int CS3Base; |
| unsigned int CS3Size; |
| unsigned int CSBootBase; |
| unsigned int CSBootSize; |
| unsigned int P2PMem0Base; |
| unsigned int P2PMem0Size; |
| unsigned int P2PMem1Base; |
| unsigned int P2PMem1Size; |
| unsigned int P2PIOBase; |
| unsigned int P2PIOSize; |
| unsigned int CPUBase; |
| unsigned int CPUSize; |
| } PCI_SELF_BARS; |
| |
| /* read/write configuration registers on local PCI bus. */ |
| void pciWriteConfigReg(PCI_HOST host, unsigned int regOffset, |
| unsigned int pciDevNum, unsigned int data); |
| unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset, |
| unsigned int pciDevNum); |
| |
| /* read/write configuration registers on another PCI bus. */ |
| void pciOverBridgeWriteConfigReg(PCI_HOST host, |
| unsigned int regOffset, |
| unsigned int pciDevNum, |
| unsigned int busNum,unsigned int data); |
| unsigned int pciOverBridgeReadConfigReg(PCI_HOST host, |
| unsigned int regOffset, |
| unsigned int pciDevNum, |
| unsigned int busNum); |
| |
| /* Performs full scane on both PCI and returns all detail possible on the |
| agents which exist on the bus. */ |
| void pciScanDevices(PCI_HOST host, PCI_DEVICE *pci0Detect, |
| unsigned int numberOfElment); |
| |
| /* Master`s memory space */ |
| bool pciMapSpace(PCI_HOST host, PCI_REGION region, |
| unsigned int remapBase, |
| unsigned int deviceBase, |
| unsigned int deviceLength); |
| unsigned int pciGetSpaceBase(PCI_HOST host, PCI_REGION region); |
| unsigned int pciGetSpaceSize(PCI_HOST host, PCI_REGION region); |
| |
| /* Slave`s memory space */ |
| void pciMapMemoryBank(PCI_HOST host, MEMORY_BANK bank, |
| unsigned int pci0Dram0Base, unsigned int pci0Dram0Size); |
| |
| #if 0 /* GARBAGE routines - dont use till they get cleaned up */ |
| void pci0ScanSelfBars(PCI_SELF_BARS *pci0SelfBars); |
| void pci1ScanSelfBars(PCI_SELF_BARS *pci1SelfBars); |
| void pci0MapInternalRegSpace(unsigned int pci0InternalBase); |
| void pci1MapInternalRegSpace(unsigned int pci1InternalBase); |
| void pci0MapInternalRegIOSpace(unsigned int pci0InternalBase); |
| void pci1MapInternalRegIOSpace(unsigned int pci1InternalBase); |
| void pci0MapDevice0MemorySpace(unsigned int pci0Dev0Base, |
| unsigned int pci0Dev0Length); |
| void pci1MapDevice0MemorySpace(unsigned int pci1Dev0Base, |
| unsigned int pci1Dev0Length); |
| void pci0MapDevice1MemorySpace(unsigned int pci0Dev1Base, |
| unsigned int pci0Dev1Length); |
| void pci1MapDevice1MemorySpace(unsigned int pci1Dev1Base, |
| unsigned int pci1Dev1Length); |
| void pci0MapDevice2MemorySpace(unsigned int pci0Dev2Base, |
| unsigned int pci0Dev2Length); |
| void pci1MapDevice2MemorySpace(unsigned int pci1Dev2Base, |
| unsigned int pci1Dev2Length); |
| void pci0MapDevice3MemorySpace(unsigned int pci0Dev3Base, |
| unsigned int pci0Dev3Length); |
| void pci1MapDevice3MemorySpace(unsigned int pci1Dev3Base, |
| unsigned int pci1Dev3Length); |
| void pci0MapBootDeviceMemorySpace(unsigned int pci0DevBootBase, |
| unsigned int pci0DevBootLength); |
| void pci1MapBootDeviceMemorySpace(unsigned int pci1DevBootBase, |
| unsigned int pci1DevBootLength); |
| void pci0MapP2pMem0Space(unsigned int pci0P2pMem0Base, |
| unsigned int pci0P2pMem0Length); |
| void pci1MapP2pMem0Space(unsigned int pci1P2pMem0Base, |
| unsigned int pci1P2pMem0Length); |
| void pci0MapP2pMem1Space(unsigned int pci0P2pMem1Base, |
| unsigned int pci0P2pMem1Length); |
| void pci1MapP2pMem1Space(unsigned int pci1P2pMem1Base, |
| unsigned int pci1P2pMem1Length); |
| void pci0MapP2pIoSpace(unsigned int pci0P2pIoBase, |
| unsigned int pci0P2pIoLength); |
| void pci1MapP2pIoSpace(unsigned int pci1P2pIoBase, |
| unsigned int pci1P2pIoLength); |
| |
| void pci0MapCPUspace(unsigned int pci0CpuBase, unsigned int pci0CpuLengs); |
| void pci1MapCPUspace(unsigned int pci1CpuBase, unsigned int pci1CpuLengs); |
| #endif |
| |
| /* PCI region options */ |
| |
| bool pciSetRegionFeatures(PCI_HOST host, PCI_ACCESS_REGIONS region, |
| unsigned int features, unsigned int baseAddress, |
| unsigned int regionLength); |
| |
| void pciDisableAccessRegion(PCI_HOST host, PCI_ACCESS_REGIONS region); |
| |
| /* PCI arbiter */ |
| |
| bool pciArbiterEnable(PCI_HOST host); |
| bool pciArbiterDisable(PCI_HOST host); |
| bool pciSetArbiterAgentsPriority(PCI_HOST host, PCI_AGENT_PRIO internalAgent, |
| PCI_AGENT_PRIO externalAgent0, |
| PCI_AGENT_PRIO externalAgent1, |
| PCI_AGENT_PRIO externalAgent2, |
| PCI_AGENT_PRIO externalAgent3, |
| PCI_AGENT_PRIO externalAgent4, |
| PCI_AGENT_PRIO externalAgent5); |
| bool pciSetArbiterAgentsPriority(PCI_HOST host, PCI_AGENT_PRIO internalAgent, |
| PCI_AGENT_PRIO externalAgent0, |
| PCI_AGENT_PRIO externalAgent1, |
| PCI_AGENT_PRIO externalAgent2, |
| PCI_AGENT_PRIO externalAgent3, |
| PCI_AGENT_PRIO externalAgent4, |
| PCI_AGENT_PRIO externalAgent5); |
| bool pciParkingDisable(PCI_HOST host, PCI_AGENT_PARK internalAgent, |
| PCI_AGENT_PARK externalAgent0, |
| PCI_AGENT_PARK externalAgent1, |
| PCI_AGENT_PARK externalAgent2, |
| PCI_AGENT_PARK externalAgent3, |
| PCI_AGENT_PARK externalAgent4, |
| PCI_AGENT_PARK externalAgent5); |
| bool pciEnableBrokenAgentDetection(PCI_HOST host, unsigned char brokenValue); |
| bool pciEnableBrokenAgentDetection(PCI_HOST host, unsigned char brokenValue); |
| |
| /* PCI-to-PCI (P2P) */ |
| |
| bool pciP2PConfig(PCI_HOST host, |
| unsigned int SecondBusLow,unsigned int SecondBusHigh, |
| unsigned int busNum,unsigned int devNum); |
| /* PCI Cache-coherency */ |
| |
| bool pciSetRegionSnoopMode(PCI_HOST host, PCI_SNOOP_REGION region, |
| PCI_SNOOP_TYPE snoopType, |
| unsigned int baseAddress, |
| unsigned int regionLength); |
| |
| PCI_DEVICE * pciFindDevice(unsigned short ven, unsigned short dev); |
| |
| #endif /* __INCpcih */ |
