/* * v96xpbc.h: i960 to PCI bridge controller */ /* Where we map the config space */ #define V96X_PCI_CONF_SPACE 0xbee00000 /* Where we map the PCI memory space */ #define V96X_PCI_MEM_SPACE 0xa0000000 /* offsets from base pointer, this construct allows optimisation */ static char * const _v96xp = (char *)P4032_V96x; #if BYTE_ORDER == LITTLE_ENDIAN #define V96XW(x) *(volatile unsigned long *)(_v96xp + (x)) #define V96XH(x) *(volatile unsigned short *)(_v96xp + (x)) #define V96XB(x) *(volatile unsigned char *)(_v96xp + (x)) #else #define V96XW(x) *(volatile unsigned long *)(_v96xp + (x)) #define V96XH(x) *(volatile unsigned short *)(_v96xp + ((x)^2)) #define V96XB(x) *(volatile unsigned char *)(_v96xp + ((x)^3)) #endif #define V96X_PCI_VENDOR V96XH(0x00) #define V96X_PCI_DEVICE V96XH(0x02) #define V96X_PCI_CMD V96XH(0x04) #define V96X_PCI_STAT V96XH(0x06) #define V96X_PCI_CC_REV V96XW(0x08) #define V96X_PCI_I20_BASE V96XW(0x10) /* B.2 only */ #define V96X_PCI_HDR_CFG V96XW(0x0c) #define V96X_PCI_IO_BASE V96XW(0x10) #define V96X_PCI_BASE0 V96XW(0x14) #define V96X_PCI_BASE1 V96XW(0x18) #define V96X_PCI_BPARAM V96XW(0x3c) #define V96X_PCI_MAP0 V96XW(0x40) #define V96X_PCI_MAP1 V96XW(0x44) #define V96X_PCI_INT_STAT V96XW(0x48) #define V96X_PCI_INT_CFG V96XW(0x4c) #define V96X_LB_BASE0 V96XW(0x54) #define V96X_LB_BASE1 V96XW(0x58) #define V96X_LB_MAP0 V96XH(0x5e) #define V96X_LB_MAP1 V96XH(0x62) #define V96X_LB_BASE2 V96XH(0x64) /* B.2 only */ #define V96X_LB_MAP2 V96XH(0x66) /* B.2 only */ #define V96X_LB_SIZE V96XW(0x68) /* B.2 only */ #define V96X_LB_IO_BASE V96XW(0x6c) #define V96X_FIFO_CFG V96XH(0x70) #define V96X_FIFO_PRIORITY V96XH(0x72) #define V96X_FIFO_STAT V96XH(0x74) #define V96X_LB_ISTAT V96XB(0x76) #define V96X_LB_IMASK V96XB(0x77) #define V96X_SYSTEM V96XH(0x78) #define V96X_LB_CFGL V96XB(0x7a) #define V96X_LB_CFG V96XB(0x7b) #define V96X_PCI_CFG V96XB(0x7c) /* B.2 only */ #define V96X_DMA_PCI_ADDR0 V96XW(0x80) #define V96X_DMA_LOCAL_ADDR0 V96XW(0x84) #define V96X_DMA_LENGTH0 V96XW(0x88) #define V96X_DMA_CTLB_ADR0 V96XW(0x8c) #define V96X_DMA_PCI_ADDR1 V96XW(0x90) #define V96X_DMA_LOCAL_ADDR1 V96XW(0x94) #define V96X_DMA_LENGTH1 V96XW(0x98) #define V96X_DMA_CTLB_ADR1 V96XW(0x9c) #define V96X_MAIL_DATA(n) V96XB(0xc0+(n)) #define V96X_LB_MAIL_IEWR V96XH(0xd0) #define V96X_LB_MAIL_IERD V96XH(0xd2) #define V96X_PCI_MAIL_IEWR V96XH(0xd4) #define V96X_PCI_MAIL_IERD V96XH(0xd6) #define V96X_MAIL_WR_STAT V96XH(0xd8) #define V96X_MAIL_RD_STAT V96XH(0xdc) #define V96X_PCI_CMD_FBB_EN 0x0200 #define V96X_PCI_CMD_SERR_EN 0x0100 #define V96X_PCI_CMD_PAR_EN 0x0040 #define V96X_PCI_CMD_MASTER_EN 0x0004 #define V96X_PCI_CMD_MEM_EN 0x0002 #define V96X_PCI_CMD_IO_EN 0x0001 #define V96X_PCI_STAT_PAR_ERR 0x8000 #define V96X_PCI_STAT_SYS_ERR 0x4000 #define V96X_PCI_STAT_M_ABORT 0x2000 #define V96X_PCI_STAT_T_ABORT 0x1000 #define V96X_PCI_STAT_DEVSEL 0x0600 #define V96X_PCI_STAT_PAR_REP 0x0100 #define V96X_PCI_STAT_FAST_BACK 0x0080 #define V96X_PCI_CC_REV_BASE_CLASS 0xff000000 #define V96X_PCI_CC_REV_SUB_CLASS 0x00ff0000 #define V96X_PCI_CC_REV_PROG_IF 0x0000ff00 #define V96X_PCI_CC_REV_UREV 0x000000f0 #define V96X_PCI_CC_REV_VREV 0x0000000f #define V96X_VREV_A 0x0 #define V96X_VREV_B0 0x1 #define V96X_VREV_B1 0x2 #define V96X_VREV_B2 0x3 #define V96X_VREV_C0 0x4 #define V96X_PCI_HDR_CFG_LT 0x0000ff00 #define V96X_PCI_HDR_CFG_LT_SHIFT 8 #define V96X_PCI_HDR_CFG_CLS 0x000000ff #define V96X_PCI_HDR_CFG_CLS_SHIFT 0 /* pci access to internal v96xpbc registers */ #define V96X_PCI_IO_BASE_ADR_BASE 0xfffffff0 #define V96X_PCI_IO_BASE_PREFETCH 0x00000008 #define V96X_PCI_IO_BASE_TYPE 0x00000006 #define V96X_PCI_IO_BASE_IO 0x00000001 #define V96X_PCI_IO_BASE_MEM 0x00000000 /* pci to local bus aperture 0 base address */ #define V96X_PCI_BASE0_ADR_BASE 0xfff00000 #define V96X_PCI_BASE0_ADR_BASEL 0x000fff00 /* pci to local bus aperture 1 base address */ #define V96X_PCI_BASE1_ADR_BASE 0xfff00000 #define V96X_PCI_BASE1_ADR_BASEL 0x000fc000 #define V96X_PCI_BASE1_ADR_DOS_MEM 0x00000700 #define V96X_PCI_BASEx_PREFETCH 0x00000008 #define V96X_PCI_BASEx_IO 0x00000001 #define V96X_PCI_BASEx_MEM 0x00000000 /* pci bus parameter register */ #define V96X_PCI_BPARAM_MAX_LAT 0xff000000 #define V96X_PCI_BPARAM_MIN_GNT 0x00ff0000 #define V96X_PCI_BPARAM_INT_PIN 0x00000700 #define V96X_PCI_BPARAM_INT_LINE 0x0000000f /* pci bus to local bus address map 0 */ #define V96X_PCI_MAPx_MAP_ADR 0xfff00000 #define V96X_PCI_MAPx_RD_POST_INH 0x00008000 #define V96X_PCI_MAP0_ROM_SIZE 0x00000c00 #define V96X_PCI_MAPx_SWAP 0x00000300 #define V96X_PCI_MAPx_ADR_SIZE 0x000000f0 #define V96X_PCI_MAPx_REG_EN 0x00000002 #define V96X_PCI_MAPx_ENABLE 0x00000001 #define V96X_ADR_SIZE_1MB (0x0<<4) #define V96X_ADR_SIZE_2MB (0x1<<4) #define V96X_ADR_SIZE_4MB (0x2<<4) #define V96X_ADR_SIZE_8MB (0x3<<4) #define V96X_ADR_SIZE_16MB (0x4<<4) #define V96X_ADR_SIZE_32MB (0x5<<4) #define V96X_ADR_SIZE_64MB (0x6<<4) #define V96X_ADR_SIZE_128MB (0x7<<4) #define V96X_ADR_SIZE_256MB (0x8<<4) #define V96X_ADR_SIZE_DOSMODE (0xc<<4) #define V96X_SWAP_NONE (0x0<<8) #define V96X_SWAP_16BIT (0x1<<8) #define V96X_SWAP_8BIT (0x2<<8) #define V96X_SWAP_AUTO (0x3<<8) /* pci interrupt status register */ #define V96X_PCI_INT_STAT_MAILBOX 0x80000000 #define V96X_PCI_INT_STAT_LOCAL 0x40000000 #define V96X_PCI_INT_STAT_DMA1 0x02000000 #define V96X_PCI_INT_STAT_DMA0 0x01000000 #define V96X_PCI_INT_STAT_INTC_TO_D 0x00004000 #define V96X_PCI_INT_STAT_INTB_TO_D 0x00002000 #define V96X_PCI_INT_STAT_INTA_TO_D 0x00001000 #define V96X_PCI_INT_STAT_INTD_TO_C 0x00000800 #define V96X_PCI_INT_STAT_INTB_TO_C 0x00000200 #define V96X_PCI_INT_STAT_INTA_TO_C 0x00000100 #define V96X_PCI_INT_STAT_INTD_TO_B 0x00000080 #define V96X_PCI_INT_STAT_INTC_TO_B 0x00000040 #define V96X_PCI_INT_STAT_INTA_TO_B 0x00000010 #define V96X_PCI_INT_STAT_INTD_TO_A 0x00000008 #define V96X_PCI_INT_STAT_INTC_TO_A 0x00000004 #define V96X_PCI_INT_STAT_INTB_TO_A 0x00000002 /* pci interrupt config register */ #define V96X_PCI_INT_CFG_MAILBOX 0x80000000 #define V96X_PCI_INT_CFG_LOCAL 0x40000000 #define V96X_PCI_INT_CFG_DMA1 0x02000000 #define V96X_PCI_INT_CFG_DMA0 0x01000000 #define V96X_PCI_INT_CFG_MODE_D 0x00c00000 #define V96X_PCI_INT_CFG_MODE_D_SHIFT 22 #define V96X_PCI_INT_CFG_MODE_C 0x00300000 #define V96X_PCI_INT_CFG_MODE_C_SHIFT 20 #define V96X_PCI_INT_CFG_MODE_B 0x000c0000 #define V96X_PCI_INT_CFG_MODE_B_SHIFT 18 #define V96X_PCI_INT_CFG_MODE_A 0x00030000 #define V96X_PCI_INT_CFG_MODE_A_SHIFT 16 #define V96X_PCI_INT_CFG_MODE_LEVEL 0x0 #define V96X_PCI_INT_CFG_MODE_EDGE 0x1 #define V96X_PCI_INT_CFG_MODE_SWCLR 0x2 #define V96X_PCI_INT_CFG_MODE_HWCLR 0x3 #define V96X_PCI_INT_CFG_INTD_TO_LB 0x00008000 #define V96X_PCI_INT_CFG_INTC_TO_D 0x00004000 #define V96X_PCI_INT_CFG_INTB_TO_D 0x00002000 #define V96X_PCI_INT_CFG_INTA_TO_D 0x00001000 #define V96X_PCI_INT_CFG_INTD_TO_C 0x00000800 #define V96X_PCI_INT_CFG_INTC_TO_LB 0x00000400 #define V96X_PCI_INT_CFG_INTB_TO_C 0x00000200 #define V96X_PCI_INT_CFG_INTA_TO_C 0x00000100 #define V96X_PCI_INT_CFG_INTD_TO_B 0x00000080 #define V96X_PCI_INT_CFG_INTC_TO_B 0x00000040 #define V96X_PCI_INT_CFG_INTB_TO_LB 0x00000020 #define V96X_PCI_INT_CFG_INTA_TO_B 0x00000010 #define V96X_PCI_INT_CFG_INTD_TO_A 0x00000008 #define V96X_PCI_INT_CFG_INTC_TO_A 0x00000004 #define V96X_PCI_INT_CFG_INTB_TO_A 0x00000002 #define V96X_PCI_INT_CFG_INTA_TO_LB 0x00000001 /* local bus to pci bus aperture 0,1 */ #define V96X_LB_BASEx_ADR_BASE 0xfff00000 #define V96X_LB_BASEx_SWAP 0x00000300 #define V96X_LB_BASEx_ADR_SIZE 0x000000f0 #define V96X_LB_BASEx_PREFETCH 0x00000008 #define V96X_LB_BASEx_ENABLE 0x00000001 /* local bus to pci bus address map 0,1 */ #define V96X_LB_MAPx_MAP_ADR 0xfff0 #define V96X_LB_MAPx_TYPE 0x0007 #define V96X_LB_TYPE_IACK (0x0<<1) #define V96X_LB_TYPE_IO (0x1<<1) #define V96X_LB_TYPE_MEM (0x3<<1) #define V96X_LB_TYPE_CONF (0x5<<1) #define V96X_LB_MAPx_AD_LOW_EN 0x0001 /* C.0 only */ /* local bus interrupt control, status and masks */ #define V96X_LB_INTR_MAILBOX 0x80 #define V96X_LB_INTR_PCI_RD 0x40 #define V96X_LB_INTR_PCI_WR 0x20 #define V96X_LB_INTR_PCI_INT 0x10 #define V96X_LB_INTR_DMA1 0x02 #define V96X_LB_INTR_DMA0 0x01 /* local bus configuration */ #define V96X_LB_CFG_TO_256 0x20 #define V96X_LB_CFG_TO_64 0x00 #define V96X_LB_CFG_LB_INT 0x02 #define V96X_LB_CFG_ERR_EN 0x02 #define V96X_LB_CFG_RDY_EN 0x01 /* PCI bus configuration */ #define V96X_PCI_CFG_I2O_EN 0x8000 #define V96X_PCI_CFG_IO_REG_DIS 0x4000 #define V96X_PCI_CFG_IO_DIS 0x2000 #define V96X_PCI_CFG_EN3V 0x1000 #define V96X_PCI_CFG_AD_LOW 0x0300 #define V96X_PCI_CFG_AD_LOW_SHIFT 8 #define V96X_PCI_CFG_DMA_RTYPE 0x00e0 #define V96X_PCI_CFG_DMA_WTYPE 0x000e /* fifo configuration register */ #define V96X_FIFO_CFG_PBRST_MAX 0xc000 #define V96X_FIFO_CFG_PBRST_MAX_SHIFT 14 #define V96X_FIFO_CFG_WR_LB 0x3000 #define V96X_FIFO_CFG_WR_LB_SHIFT 12 #define V96X_FIFO_CFG_RD_LB1 0x0c00 #define V96X_FIFO_CFG_RD_LB1_SHIFT 10 #define V96X_FIFO_CFG_RD_LB0 0x0300 #define V96X_FIFO_CFG_RD_LB0_SHIFT 8 #define V96X_FIFO_CFG_LBRST_MAX 0x00c0 #define V96X_FIFO_CFG_LBRST_MAX_SHIFT 6 #define V96X_FIFO_CFG_WR_PCI 0x0030 #define V96X_FIFO_CFG_WR_PCI_SHIFT 4 #define V96X_FIFO_CFG_RD_PCI1 0x000c #define V96X_FIFO_CFG_RD_PCI1_SHIFT 2 #define V96X_FIFO_CFG_RD_PCI0 0x0003 #define V96X_FIFO_CFG_RD_PCI0_SHIFT 0 /* meaning of above bitfields */ /* max burst length */ #define V96X_FIFO_CFG_BRST_4 0x0 #define V96X_FIFO_CFG_BRST_8 0x1 #define V96X_FIFO_CFG_BRST_16 0x2 #define V96X_FIFO_CFG_BRST_256 0x3 /* when to start refilling read fifo */ #define V96X_FIFO_CFG_RD_NOTFULL 0x0 #define V96X_FIFO_CFG_RD_HALF 0x1 #define V96X_FIFO_CFG_RD_EMPTY 0x2 /* when to start emptying write fifo */ #define V96X_FIFO_CFG_WR_NOTEMPTY 0x0 #define V96X_FIFO_CFG_WR_3WORDS 0x2 #define V96X_FIFO_CFG_WR_ENDBRST 0x3 /* fifo priority control */ #define V96X_FIFO_PRIORITY_LOCAL_RD 0x1000 #define V96X_FIFO_PRIORITY_LOCAL_WR 0x0000 #define V96X_FIFO_PRIORITY_LB_RD1 0x0c00 #define V96X_FIFO_PRIORITY_LB_RD1_SHIFT 10 #define V96X_FIFO_PRIORITY_LB_RD0 0x0300 #define V96X_FIFO_PRIORITY_LB_RD0_SHIFT 8 #define V96X_FIFO_PRIORITY_PCI_RD 0x0010 #define V96X_FIFO_PRIORITY_PCI_WR 0x0000 #define V96X_FIFO_PRIORITY_PCI_RD1 0x000c #define V96X_FIFO_PRIORITY_PCI_RD1_SHIFT 2 #define V96X_FIFO_PRIORITY_PCI_RD0 0x0003 #define V96X_FIFO_PRIORITY_PCI_RD0_SHIFT 0 /* meaning of above bitfields */ #define V96X_FIFO_PRI_NOFLUSH 0x0 #define V96X_FIFO_PRI_FLUSHME 0x2 #define V96X_FIFO_PRI_FLUSHALL 0x3 /* fifo status */ #define V96X_FIFO_STAT_L2P_WR 0x3000 #define V96X_FIFO_STAT_L2P_RD1 0x0c00 #define V96X_FIFO_STAT_L2P_RD0 0x0300 #define V96X_FIFO_STAT_P2L_WR 0x0030 #define V96X_FIFO_STAT_P2L_RD1 0x000c #define V96X_FIFO_STAT_P2L_RD0 0x0003 #define V96X_DMA_COUNT_CHAIN 0x80000000 #define V96X_DMA_COUNT_PRIORITY 0x20000000 #define V96X_DMA_COUNT_P2L 0x10000000 #define V96X_DMA_COUNT_SWAP 0x0c000000 #define V96X_DMA_COUNT_ABORT 0x02000000 #define V96X_DMA_COUNT_DMA_IPR 0x01000000 #define V96X_SYSTEM_RST_OUT 0x8000 #define V96X_SYSTEM_LOCK 0x4000 #define V96X_SYSTEM_SPROM_EN 0x2000 #define V96X_SYSTEM_SCL 0x1000 #define V96X_SYSTEM_SDA_OUT 0x0800 #define V96X_SYSTEM_SDA_IN 0x0400 #define V96X_SYSTEM_POE 0x0200 #define V96X_SYSTEM_LB_RD_PCI1 0x0040 #define V96X_SYSTEM_LB_RD_PCI0 0x0020 #define V96X_SYSTEM_LB_WR_PCI 0x0010 #define V96X_SYSTEM_PCI_RD_LB1 0x0004 #define V96X_SYSTEM_PCI_RD_LB0 0x0002 #define V96X_SYSTEM_PC_WR_LBI 0x0001