328 lines
12 KiB
C
328 lines
12 KiB
C
/* $NetBSD: vtpbcreg.h,v 1.1 2001/05/28 16:22:21 thorpej Exp $ */
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/*
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* Registers for the V3 Semiconductor V962 and V360EPC i960
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* PCI bus controller.
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*
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* This file is modified from the PMON sources available from
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* Algorithmics, Ltd.
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*/
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#if BYTE_ORDER == LITTLE_ENDIAN
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#define V96XW(vt, x) *(__volatile u_int32_t *)((vt)->vt_addr + (x))
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#define V96XH(vt, x) *(__volatile u_int16_t *)((vt)->vt_addr + (x))
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#define V96XB(vt, x) *(__volatile u_int8_t *)((vt)->vt_addr + (x))
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#else
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#define V96XW(vt, x) *(__volatile u_int32_t *)((vt)->vt_addr + (x))
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#define V96XH(vt, x) *(__volatile u_int16_t *)((vt)->vt_addr + ((x) ^ 2))
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#define V96XB(vt, x) *(__volatile u_int8_t *)((vt)->vt_addr + ((x) ^ 3))
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#endif
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#define V96X_PCI_VENDOR(vt) V96XH(vt, 0x00)
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#define V96X_PCI_DEVICE(vt) V96XH(vt, 0x02)
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#define V96X_PCI_CMD(vt) V96XH(vt, 0x04)
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#define V96X_PCI_STAT(vt) V96XH(vt, 0x06)
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#define V96X_PCI_CC_REV(vt) V96XW(vt, 0x08)
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#define V96X_PCI_I20_BASE(vt) V96XW(vt, 0x10) /* B.2 only */
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#define V96X_PCI_HDR_CFG(vt) V96XW(vt, 0x0c)
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#define V96X_PCI_IO_BASE(vt) V96XW(vt, 0x10)
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#define V96X_PCI_BASE0(vt) V96XW(vt, 0x14)
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#define V96X_PCI_BASE1(vt) V96XW(vt, 0x18)
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#define V96X_PCI_BPARAM(vt) V96XW(vt, 0x3c)
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#define V96X_PCI_MAP0(vt) V96XW(vt, 0x40)
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#define V96X_PCI_MAP1(vt) V96XW(vt, 0x44)
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#define V96X_PCI_INT_STAT(vt) V96XW(vt, 0x48)
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#define V96X_PCI_INT_CFG(vt) V96XW(vt, 0x4c)
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#define V96X_LB_BASE0(vt) V96XW(vt, 0x54)
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#define V96X_LB_BASE1(vt) V96XW(vt, 0x58)
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#define V96X_LB_MAP0(vt) V96XH(vt, 0x5e)
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#define V96X_LB_MAP1(vt) V96XH(vt, 0x62)
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#define V96X_LB_BASE2(vt) V96XH(vt, 0x64) /* B.2 only */
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#define V96X_LB_MAP2(vt) V96XH(vt, 0x66) /* B.2 only */
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#define V96X_LB_SIZE(vt) V96XW(vt, 0x68) /* B.2 only */
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#define V96X_LB_IO_BASE(vt) V96XW(vt, 0x6c)
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#define V96X_FIFO_CFG(vt) V96XH(vt, 0x70)
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#define V96X_FIFO_PRIORITY(vt) V96XH(vt, 0x72)
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#define V96X_FIFO_STAT(vt) V96XH(vt, 0x74)
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#define V96X_LB_ISTAT(vt) V96XB(vt, 0x76)
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#define V96X_LB_IMASK(vt) V96XB(vt, 0x77)
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#define V96X_SYSTEM(vt) V96XH(vt, 0x78)
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#define V96X_LB_CFGL(vt) V96XB(vt, 0x7a)
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#define V96X_LB_CFG(vt) V96XB(vt, 0x7b)
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#define V96X_PCI_CFG(vt) V96XB(vt, 0x7c) /* B.2 only */
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#define V96X_DMA_PCI_ADDR0(vt) V96XW(vt, 0x80)
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#define V96X_DMA_LOCAL_ADDR0(vt) V96XW(vt, 0x84)
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#define V96X_DMA_LENGTH0(vt) V96XW(vt, 0x88)
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#define V96X_DMA_CTLB_ADR0(vt) V96XW(vt, 0x8c)
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#define V96X_DMA_PCI_ADDR1(vt) V96XW(vt, 0x90)
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#define V96X_DMA_LOCAL_ADDR1(vt) V96XW(vt, 0x94)
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#define V96X_DMA_LENGTH1(vt) V96XW(vt, 0x98)
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#define V96X_DMA_CTLB_ADR1(vt) V96XW(vt, 0x9c)
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#define V96X_MAIL_DATA(vt, n) V96XB(vt, 0xc0 + (n))
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#define V96X_LB_MAIL_IEWR(vt) V96XH(vt, 0xd0)
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#define V96X_LB_MAIL_IERD(vt) V96XH(vt, 0xd2)
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#define V96X_PCI_MAIL_IEWR(vt) V96XH(vt, 0xd4)
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#define V96X_PCI_MAIL_IERD(vt) V96XH(vt, 0xd6)
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#define V96X_MAIL_WR_STAT(vt) V96XH(vt, 0xd8)
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#define V96X_MAIL_RD_STAT(vt) V96XH(vt, 0xdc)
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#define V96X_PCI_CMD_FBB_EN 0x0200
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#define V96X_PCI_CMD_SERR_EN 0x0100
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#define V96X_PCI_CMD_PAR_EN 0x0040
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#define V96X_PCI_CMD_MASTER_EN 0x0004
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#define V96X_PCI_CMD_MEM_EN 0x0002
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#define V96X_PCI_CMD_IO_EN 0x0001
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#define V96X_PCI_STAT_PAR_ERR 0x8000
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#define V96X_PCI_STAT_SYS_ERR 0x4000
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#define V96X_PCI_STAT_M_ABORT 0x2000
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#define V96X_PCI_STAT_T_ABORT 0x1000
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#define V96X_PCI_STAT_DEVSEL 0x0600
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#define V96X_PCI_STAT_PAR_REP 0x0100
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#define V96X_PCI_STAT_FAST_BACK 0x0080
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#define V96X_PCI_CC_REV_BASE_CLASS 0xff000000
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#define V96X_PCI_CC_REV_SUB_CLASS 0x00ff0000
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#define V96X_PCI_CC_REV_PROG_IF 0x0000ff00
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#define V96X_PCI_CC_REV_UREV 0x000000f0
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#define V96X_PCI_CC_REV_VREV 0x0000000f
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#define V96X_VREV_A 0x0
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#define V96X_VREV_B0 0x1
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#define V96X_VREV_B1 0x2
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#define V96X_VREV_B2 0x3
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#define V96X_VREV_C0 0x4
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#define V96X_PCI_HDR_CFG_LT 0x0000ff00
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#define V96X_PCI_HDR_CFG_LT_SHIFT 8
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#define V96X_PCI_HDR_CFG_CLS 0x000000ff
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#define V96X_PCI_HDR_CFG_CLS_SHIFT 0
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/* pci access to internal v96xpbc registers */
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#define V96X_PCI_IO_BASE_ADR_BASE 0xfffffff0
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#define V96X_PCI_IO_BASE_PREFETCH 0x00000008
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#define V96X_PCI_IO_BASE_TYPE 0x00000006
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#define V96X_PCI_IO_BASE_IO 0x00000001
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#define V96X_PCI_IO_BASE_MEM 0x00000000
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/* pci to local bus aperture 0 base address */
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#define V96X_PCI_BASE0_ADR_BASE 0xfff00000
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#define V96X_PCI_BASE0_ADR_BASEL 0x000fff00
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/* pci to local bus aperture 1 base address */
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#define V96X_PCI_BASE1_ADR_BASE 0xfff00000
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#define V96X_PCI_BASE1_ADR_BASEL 0x000fc000
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#define V96X_PCI_BASE1_ADR_DOS_MEM 0x00000700
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#define V96X_PCI_BASEx_PREFETCH 0x00000008
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#define V96X_PCI_BASEx_IO 0x00000001
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#define V96X_PCI_BASEx_MEM 0x00000000
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/* pci bus parameter register */
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#define V96X_PCI_BPARAM_MAX_LAT 0xff000000
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#define V96X_PCI_BPARAM_MIN_GNT 0x00ff0000
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#define V96X_PCI_BPARAM_INT_PIN 0x00000700
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#define V96X_PCI_BPARAM_INT_LINE 0x0000000f
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/* pci bus to local bus address map 0 */
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#define V96X_PCI_MAPx_MAP_ADR 0xfff00000
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#define V96X_PCI_MAPx_RD_POST_INH 0x00008000
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#define V96X_PCI_MAP0_ROM_SIZE 0x00000c00
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#define V96X_PCI_MAPx_SWAP 0x00000300
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#define V96X_PCI_MAPx_ADR_SIZE 0x000000f0
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#define V96X_PCI_MAPx_REG_EN 0x00000002
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#define V96X_PCI_MAPx_ENABLE 0x00000001
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#define V96X_ADR_SIZE_1MB (0x0<<4)
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#define V96X_ADR_SIZE_2MB (0x1<<4)
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#define V96X_ADR_SIZE_4MB (0x2<<4)
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#define V96X_ADR_SIZE_8MB (0x3<<4)
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#define V96X_ADR_SIZE_16MB (0x4<<4)
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#define V96X_ADR_SIZE_32MB (0x5<<4)
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#define V96X_ADR_SIZE_64MB (0x6<<4)
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#define V96X_ADR_SIZE_128MB (0x7<<4)
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#define V96X_ADR_SIZE_256MB (0x8<<4)
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#define V96X_ADR_SIZE_DOSMODE (0xc<<4)
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#define V96X_SWAP_NONE (0x0<<8)
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#define V96X_SWAP_16BIT (0x1<<8)
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#define V96X_SWAP_8BIT (0x2<<8)
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#define V96X_SWAP_AUTO (0x3<<8)
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/* pci interrupt status register */
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#define V96X_PCI_INT_STAT_MAILBOX 0x80000000
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#define V96X_PCI_INT_STAT_LOCAL 0x40000000
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#define V96X_PCI_INT_STAT_DMA1 0x02000000
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#define V96X_PCI_INT_STAT_DMA0 0x01000000
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#define V96X_PCI_INT_STAT_INTC_TO_D 0x00004000
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#define V96X_PCI_INT_STAT_INTB_TO_D 0x00002000
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#define V96X_PCI_INT_STAT_INTA_TO_D 0x00001000
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#define V96X_PCI_INT_STAT_INTD_TO_C 0x00000800
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#define V96X_PCI_INT_STAT_INTB_TO_C 0x00000200
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#define V96X_PCI_INT_STAT_INTA_TO_C 0x00000100
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#define V96X_PCI_INT_STAT_INTD_TO_B 0x00000080
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#define V96X_PCI_INT_STAT_INTC_TO_B 0x00000040
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#define V96X_PCI_INT_STAT_INTA_TO_B 0x00000010
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#define V96X_PCI_INT_STAT_INTD_TO_A 0x00000008
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#define V96X_PCI_INT_STAT_INTC_TO_A 0x00000004
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#define V96X_PCI_INT_STAT_INTB_TO_A 0x00000002
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/* pci interrupt config register */
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#define V96X_PCI_INT_CFG_MAILBOX 0x80000000
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#define V96X_PCI_INT_CFG_LOCAL 0x40000000
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#define V96X_PCI_INT_CFG_DMA1 0x02000000
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#define V96X_PCI_INT_CFG_DMA0 0x01000000
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#define V96X_PCI_INT_CFG_MODE_D 0x00c00000
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#define V96X_PCI_INT_CFG_MODE_D_SHIFT 22
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#define V96X_PCI_INT_CFG_MODE_C 0x00300000
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#define V96X_PCI_INT_CFG_MODE_C_SHIFT 20
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#define V96X_PCI_INT_CFG_MODE_B 0x000c0000
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#define V96X_PCI_INT_CFG_MODE_B_SHIFT 18
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#define V96X_PCI_INT_CFG_MODE_A 0x00030000
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#define V96X_PCI_INT_CFG_MODE_A_SHIFT 16
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#define V96X_PCI_INT_CFG_MODE_LEVEL 0x0
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#define V96X_PCI_INT_CFG_MODE_EDGE 0x1
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#define V96X_PCI_INT_CFG_MODE_SWCLR 0x2
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#define V96X_PCI_INT_CFG_MODE_HWCLR 0x3
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#define V96X_PCI_INT_CFG_INTD_TO_LB 0x00008000
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#define V96X_PCI_INT_CFG_INTC_TO_D 0x00004000
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#define V96X_PCI_INT_CFG_INTB_TO_D 0x00002000
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#define V96X_PCI_INT_CFG_INTA_TO_D 0x00001000
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#define V96X_PCI_INT_CFG_INTD_TO_C 0x00000800
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#define V96X_PCI_INT_CFG_INTC_TO_LB 0x00000400
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#define V96X_PCI_INT_CFG_INTB_TO_C 0x00000200
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#define V96X_PCI_INT_CFG_INTA_TO_C 0x00000100
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#define V96X_PCI_INT_CFG_INTD_TO_B 0x00000080
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#define V96X_PCI_INT_CFG_INTC_TO_B 0x00000040
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#define V96X_PCI_INT_CFG_INTB_TO_LB 0x00000020
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#define V96X_PCI_INT_CFG_INTA_TO_B 0x00000010
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#define V96X_PCI_INT_CFG_INTD_TO_A 0x00000008
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#define V96X_PCI_INT_CFG_INTC_TO_A 0x00000004
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#define V96X_PCI_INT_CFG_INTB_TO_A 0x00000002
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#define V96X_PCI_INT_CFG_INTA_TO_LB 0x00000001
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/* local bus to pci bus aperture 0,1 */
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#define V96X_LB_BASEx_ADR_BASE 0xfff00000
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#define V96X_LB_BASEx_SWAP 0x00000300
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#define V96X_LB_BASEx_ADR_SIZE 0x000000f0
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#define V96X_LB_BASEx_PREFETCH 0x00000008
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#define V96X_LB_BASEx_ENABLE 0x00000001
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/* local bus to pci bus address map 0,1 */
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#define V96X_LB_MAPx_MAP_ADR 0xfff0
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#define V96X_LB_MAPx_TYPE 0x0007
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#define V96X_LB_TYPE_IACK (0x0<<1)
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#define V96X_LB_TYPE_IO (0x1<<1)
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#define V96X_LB_TYPE_MEM (0x3<<1)
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#define V96X_LB_TYPE_CONF (0x5<<1)
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#define V96X_LB_MAPx_AD_LOW_EN 0x0001 /* C.0 only */
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/* local bus interrupt control, status and masks */
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#define V96X_LB_INTR_MAILBOX 0x80
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#define V96X_LB_INTR_PCI_RD 0x40
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#define V96X_LB_INTR_PCI_WR 0x20
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#define V96X_LB_INTR_PCI_INT 0x10
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#define V96X_LB_INTR_DMA1 0x02
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#define V96X_LB_INTR_DMA0 0x01
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/* local bus configuration */
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#define V96X_LB_CFG_TO_256 0x20
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#define V96X_LB_CFG_TO_64 0x00
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#define V96X_LB_CFG_LB_INT 0x02
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#define V96X_LB_CFG_ERR_EN 0x02
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#define V96X_LB_CFG_RDY_EN 0x01
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/* PCI bus configuration */
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#define V96X_PCI_CFG_I2O_EN 0x8000
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#define V96X_PCI_CFG_IO_REG_DIS 0x4000
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#define V96X_PCI_CFG_IO_DIS 0x2000
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#define V96X_PCI_CFG_EN3V 0x1000
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#define V96X_PCI_CFG_AD_LOW 0x0300
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#define V96X_PCI_CFG_AD_LOW_SHIFT 8
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#define V96X_PCI_CFG_DMA_RTYPE 0x00e0
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#define V96X_PCI_CFG_DMA_WTYPE 0x000e
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/* fifo configuration register */
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#define V96X_FIFO_CFG_PBRST_MAX 0xc000
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#define V96X_FIFO_CFG_PBRST_MAX_SHIFT 14
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#define V96X_FIFO_CFG_WR_LB 0x3000
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#define V96X_FIFO_CFG_WR_LB_SHIFT 12
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#define V96X_FIFO_CFG_RD_LB1 0x0c00
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#define V96X_FIFO_CFG_RD_LB1_SHIFT 10
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#define V96X_FIFO_CFG_RD_LB0 0x0300
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#define V96X_FIFO_CFG_RD_LB0_SHIFT 8
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#define V96X_FIFO_CFG_LBRST_MAX 0x00c0
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#define V96X_FIFO_CFG_LBRST_MAX_SHIFT 6
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#define V96X_FIFO_CFG_WR_PCI 0x0030
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#define V96X_FIFO_CFG_WR_PCI_SHIFT 4
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#define V96X_FIFO_CFG_RD_PCI1 0x000c
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#define V96X_FIFO_CFG_RD_PCI1_SHIFT 2
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#define V96X_FIFO_CFG_RD_PCI0 0x0003
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#define V96X_FIFO_CFG_RD_PCI0_SHIFT 0
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/* meaning of above bitfields */
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/* max burst length */
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#define V96X_FIFO_CFG_BRST_4 0x0
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#define V96X_FIFO_CFG_BRST_8 0x1
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#define V96X_FIFO_CFG_BRST_16 0x2
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#define V96X_FIFO_CFG_BRST_256 0x3
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/* when to start refilling read fifo */
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#define V96X_FIFO_CFG_RD_NOTFULL 0x0
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#define V96X_FIFO_CFG_RD_HALF 0x1
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#define V96X_FIFO_CFG_RD_EMPTY 0x2
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/* when to start emptying write fifo */
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#define V96X_FIFO_CFG_WR_NOTEMPTY 0x0
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#define V96X_FIFO_CFG_WR_3WORDS 0x2
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#define V96X_FIFO_CFG_WR_ENDBRST 0x3
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/* fifo priority control */
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#define V96X_FIFO_PRIORITY_LOCAL_RD 0x1000
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#define V96X_FIFO_PRIORITY_LOCAL_WR 0x0000
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#define V96X_FIFO_PRIORITY_LB_RD1 0x0c00
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#define V96X_FIFO_PRIORITY_LB_RD1_SHIFT 10
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#define V96X_FIFO_PRIORITY_LB_RD0 0x0300
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#define V96X_FIFO_PRIORITY_LB_RD0_SHIFT 8
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#define V96X_FIFO_PRIORITY_PCI_RD 0x0010
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#define V96X_FIFO_PRIORITY_PCI_WR 0x0000
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#define V96X_FIFO_PRIORITY_PCI_RD1 0x000c
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#define V96X_FIFO_PRIORITY_PCI_RD1_SHIFT 2
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#define V96X_FIFO_PRIORITY_PCI_RD0 0x0003
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#define V96X_FIFO_PRIORITY_PCI_RD0_SHIFT 0
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/* meaning of above bitfields */
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#define V96X_FIFO_PRI_NOFLUSH 0x0
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#define V96X_FIFO_PRI_FLUSHME 0x2
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#define V96X_FIFO_PRI_FLUSHALL 0x3
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/* fifo status */
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#define V96X_FIFO_STAT_L2P_WR 0x3000
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#define V96X_FIFO_STAT_L2P_RD1 0x0c00
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#define V96X_FIFO_STAT_L2P_RD0 0x0300
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#define V96X_FIFO_STAT_P2L_WR 0x0030
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#define V96X_FIFO_STAT_P2L_RD1 0x000c
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#define V96X_FIFO_STAT_P2L_RD0 0x0003
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#define V96X_DMA_COUNT_CHAIN 0x80000000
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#define V96X_DMA_COUNT_PRIORITY 0x20000000
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#define V96X_DMA_COUNT_P2L 0x10000000
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#define V96X_DMA_COUNT_SWAP 0x0c000000
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#define V96X_DMA_COUNT_ABORT 0x02000000
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#define V96X_DMA_COUNT_DMA_IPR 0x01000000
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#define V96X_SYSTEM_RST_OUT 0x8000
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#define V96X_SYSTEM_LOCK 0x4000
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#define V96X_SYSTEM_SPROM_EN 0x2000
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#define V96X_SYSTEM_SCL 0x1000
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#define V96X_SYSTEM_SDA_OUT 0x0800
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#define V96X_SYSTEM_SDA_IN 0x0400
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#define V96X_SYSTEM_POE 0x0200
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#define V96X_SYSTEM_LB_RD_PCI1 0x0040
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#define V96X_SYSTEM_LB_RD_PCI0 0x0020
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#define V96X_SYSTEM_LB_WR_PCI 0x0010
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#define V96X_SYSTEM_PCI_RD_LB1 0x0004
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#define V96X_SYSTEM_PCI_RD_LB0 0x0002
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#define V96X_SYSTEM_PC_WR_LBI 0x0001
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