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- /*-
- * Copyright (c) 1982, 1986 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)ubareg.h 7.8 (Berkeley) 5/9/91
- */
-
- /*
- * VAX UNIBUS adapter registers
- */
-
- /*
- * "UNIBUS" adaptor types.
- * This code is used for both UNIBUSes and Q-buses
- * with different types of adaptors.
- * Definition of a type includes support code for that type.
- */
- #if VAX780 || VAX8600
- #define DW780 1 /* has adaptor regs, sr: 780/785/8600 */
- #endif
-
- #if VAX750
- #define DW750 2 /* has adaptor regs, no sr: 750, 730 */
- #endif
-
- #if VAX730
- #define DW730 3 /* has adaptor regs, no sr: 750, 730 */
- #endif
-
- #if VAX630 || VAX650
- #define QBA 4 /* 22-bit Q-bus, no adaptor regs: uVAX II */
- #endif
-
- #if VAX8200 || VAX8500 || VAX8800
- #define DWBUA 5 /* BI UNIBUS adaptor: 8200/8500/8800 */
- #endif
-
- /*
- * Size of unibus memory address space in pages
- * (also number of map registers).
- * QBAPAGES should be 8192, but we don't need nearly that much
- * address space, and the return from the allocation routine
- * can accommodate at most 2047 (ubavar.h: UBA_MAXMR);
- * QBAPAGES must be at least UBAPAGES. Choose pragmatically.
- */
- #define UBAPAGES 496
- #define NUBMREG 496
- #if defined(GATEWAY) && !defined(QNIVERT)
- #define QBAPAGES 1024
- #else
- #define QBAPAGES UBAPAGES
- #endif
- #define UBAIOADDR 0760000 /* start of I/O page */
- #define UBAIOPAGES 16
-
- #ifndef LOCORE
- /*
- * DWBUA hardware registers.
- */
- struct dwbua_regs {
- int pad1[456]; /* actually bii regs + pad */
- int bua_csr; /* control and status register */
- int bua_offset; /* vector offset register */
- int bua_fubar; /* failed UNIBUS address register */
- int bua_bifar; /* BI failed address register */
- int bua_udiag[5]; /* micro diagnostics (R/O) */
- int pad2[3];
- /* dpr[0] is for DDP; dpr's 1 through 5 are for BPD's 1 through 5 */
- int bua_dpr[6]; /* data path registers */
- int pad3[10];
- int bua_bdps[20]; /* buffered data path space *//*???*/
- int pad4[8];
- struct pte bua_map[UBAPAGES]; /* unibus map registers */
- int pad5[UBAIOPAGES]; /* no maps for device address space */
- };
-
- #ifdef DWBUA
- /* bua_csr */
- #define BUACSR_ERR 0x80000000 /* composite error */
- #define BUACSR_BIF 0x10000000 /* BI failure */
- #define BUACSR_SSYNTO 0x08000000 /* slave sync timeout */
- #define BUACSR_UIE 0x04000000 /* unibus interlock error */
- #define BUACSR_IVMR 0x02000000 /* invalid map register */
- #define BUACSR_BADBDP 0x01000000 /* bad BDP select */
- #define BUACSR_BUAEIE 0x00100000 /* bua error interrupt enable (?) */
- #define BUACSR_UPI 0x00020000 /* unibus power init */
- #define BUACSR_UREGDUMP 0x00010000 /* microdiag register dump */
- #define BUACSR_IERRNO 0x000000ff /* mask for internal errror number */
-
- /* bua_offset */
- #define BUAOFFSET_MASK 0x00003e00 /* hence max offset = 15872 */
-
- /* bua_dpr */
- #define BUADPR_DPSEL 0x00e00000 /* data path select (?) */
- #define BUADPR_PURGE 0x00000001 /* purge bdp */
-
- /* bua_map -- in particular, those bits that are not in DW780s & DW750s */
- #define BUAMR_IOADR 0x40000000 /* I/O address space */
- #define BUAMR_LAE 0x04000000 /* longword access enable */
- /* I see no reason to use either one, though ... act 6 Aug 1987 */
-
- #define UBA_PURGEBUA(uba, bdp) \
- (((struct dwbua_regs *)(uba))->bua_dpr[bdp] |= BUADPR_PURGE)
- #else
- #define UBA_PURGEBUA(uba, bdp)
- #endif
-
- /*
- * DW780/DW750 hardware registers
- */
- struct uba_regs {
- int uba_cnfgr; /* configuration register */
- int uba_cr; /* control register */
- int uba_sr; /* status register */
- int uba_dcr; /* diagnostic control register */
- int uba_fmer; /* failed map entry register */
- int uba_fubar; /* failed UNIBUS address register */
- int pad1[2];
- int uba_brsvr[4];
- int uba_brrvr[4]; /* receive vector registers */
- int uba_dpr[16]; /* buffered data path register */
- int pad2[480];
- struct pte uba_map[UBAPAGES]; /* unibus map register */
- int pad3[UBAIOPAGES]; /* no maps for device address space */
- };
- #endif
-
- #ifdef DW780
- /* uba_cnfgr */
- #define UBACNFGR_UBINIT 0x00040000 /* unibus init asserted */
- #define UBACNFGR_UBPDN 0x00020000 /* unibus power down */
- #define UBACNFGR_UBIC 0x00010000 /* unibus init complete */
-
- #define UBACNFGR_BITS \
- "\40\40PARFLT\37WSQFLT\36URDFLT\35ISQFLT\34MXTFLT\33XMTFLT\30ADPDN\27ADPUP\23UBINIT\22UBPDN\21UBIC"
-
- /* uba_cr */
- #define UBACR_MRD16 0x40000000 /* map reg disable bit 4 */
- #define UBACR_MRD8 0x20000000 /* map reg disable bit 3 */
- #define UBACR_MRD4 0x10000000 /* map reg disable bit 2 */
- #define UBACR_MRD2 0x08000000 /* map reg disable bit 1 */
- #define UBACR_MRD1 0x04000000 /* map reg disable bit 0 */
- #define UBACR_IFS 0x00000040 /* interrupt field switch */
- #define UBACR_BRIE 0x00000020 /* BR interrupt enable */
- #define UBACR_USEFIE 0x00000010 /* UNIBUS to SBI error field IE */
- #define UBACR_SUEFIE 0x00000008 /* SBI to UNIBUS error field IE */
- #define UBACR_CNFIE 0x00000004 /* configuration IE */
- #define UBACR_UPF 0x00000002 /* UNIBUS power fail */
- #define UBACR_ADINIT 0x00000001 /* adapter init */
-
- /* uba_sr */
- #define UBASR_BR7FULL 0x08000000 /* BR7 receive vector reg full */
- #define UBASR_BR6FULL 0x04000000 /* BR6 receive vector reg full */
- #define UBASR_BR5FULL 0x02000000 /* BR5 receive vector reg full */
- #define UBASR_BR4FULL 0x01000000 /* BR4 receive vector reg full */
- #define UBASR_RDTO 0x00000400 /* UNIBUS to SBI read data timeout */
- #define UBASR_RDS 0x00000200 /* read data substitute */
- #define UBASR_CRD 0x00000100 /* corrected read data */
- #define UBASR_CXTER 0x00000080 /* command transmit error */
- #define UBASR_CXTMO 0x00000040 /* command transmit timeout */
- #define UBASR_DPPE 0x00000020 /* data path parity error */
- #define UBASR_IVMR 0x00000010 /* invalid map register */
- #define UBASR_MRPF 0x00000008 /* map register parity failure */
- #define UBASR_LEB 0x00000004 /* lost error */
- #define UBASR_UBSTO 0x00000002 /* UNIBUS select timeout */
- #define UBASR_UBSSYNTO 0x00000001 /* UNIBUS slave sync timeout */
-
- #define UBASR_BITS \
- "\20\13RDTO\12RDS\11CRD\10CXTER\7CXTMO\6DPPE\5IVMR\4MRPF\3LEB\2UBSTO\1UBSSYNTO"
-
- /* uba_brrvr[] */
- #define UBABRRVR_AIRI 0x80000000 /* adapter interrupt request */
- #define UBABRRVR_DIV 0x0000ffff /* device interrupt vector field */
- #endif
-
- /* uba_dpr */
- #ifdef DW780
- #define UBADPR_BNE 0x80000000 /* buffer not empty - purge */
- #define UBADPR_BTE 0x40000000 /* buffer transfer error */
- #define UBADPR_DPF 0x20000000 /* DP function (RO) */
- #define UBADPR_BS 0x007f0000 /* buffer state field */
- #define UBADPR_BUBA 0x0000ffff /* buffered UNIBUS address */
- #define UBA_PURGE780(uba, bdp) \
- ((uba)->uba_dpr[bdp] |= UBADPR_BNE)
- #else
- #define UBA_PURGE780(uba, bdp)
- #endif
- #ifdef DW750
- #define UBADPR_ERROR 0x80000000 /* error occurred */
- #define UBADPR_NXM 0x40000000 /* nxm from memory */
- #define UBADPR_UCE 0x20000000 /* uncorrectable error */
- #define UBADPR_PURGE 0x00000001 /* purge bdp */
- /* the DELAY is for a hardware problem */
- #define UBA_PURGE750(uba, bdp) { \
- ((uba)->uba_dpr[bdp] |= (UBADPR_PURGE|UBADPR_NXM|UBADPR_UCE)); \
- DELAY(8); \
- }
- #else
- #define UBA_PURGE750(uba, bdp)
- #endif
-
- /*
- * Macros for fast buffered data path purging in time-critical routines.
- *
- * Too bad C pre-processor doesn't have the power of LISP in macro
- * expansion...
- */
-
- /* THIS IS WRONG, should use pointer to uba_hd */
- #if DWBUA || DW780 || DW750
- #define UBAPURGE(uba, bdp) { \
- switch (cpu) { \
- case VAX_8200: UBA_PURGEBUA(uba, bdp); break; \
- case VAX_8600: case VAX_780: UBA_PURGE780((uba), (bdp)); break; \
- case VAX_750: UBA_PURGE750((uba), (bdp)); break; \
- } \
- }
- #else
- #define UBAPURGE(uba, bdp)
- #endif
-
-
-
- /* uba_mr[] */
- #define UBAMR_MRV 0x80000000 /* map register valid */
- #define UBAMR_BO 0x02000000 /* byte offset bit */
- #define UBAMR_DPDB 0x01e00000 /* data path designator field */
- #define UBAMR_SBIPFN 0x001fffff /* SBI page address field */
-
- #define UBAMR_DPSHIFT 21 /* shift to data path designator */
-
- /*
- * Number of unibus buffered data paths and possible uba's per cpu type.
- */
- #define NBDP8600 15
- #define NBDP780 15
- #define NBDPBUA 5
- #define NBDP750 3
- #define NBDP730 0
- #define MAXNBDP 15
-
- /*
- * Symbolic BUS addresses for UBAs.
- */
-
- #if VAX630 || VAX650
- #define QBAMAP630 ((struct pte *)0x20088000)
- #define QMEM630 0x30000000
- #define QIOPAGE630 0x20000000
- /*
- * Q-bus control registers
- */
- #define QIPCR 0x1f40 /* from start of iopage */
- /* bits in QIPCR */
- #define Q_DBIRQ 0x0001 /* doorbell interrupt request */
- #define Q_LMEAE 0x0020 /* local mem external access enable */
- #define Q_DBIIE 0x0040 /* doorbell interrupt enable */
- #define Q_AUXHLT 0x0100 /* auxiliary processor halt */
- #define Q_DMAQPE 0x8000 /* Q22 bus address space parity error */
- #endif
-
- #if VAX730
- #define UMEM730 0xfc0000
- #endif
-
- #if VAX750
- #define UMEM750(i) (0xfc0000-(i)*0x40000)
- #endif
-
- #if VAX780
- #define UMEM780(i) (0x20100000+(i)*0x40000)
- #endif
-
- #if VAX8200 /* BEWARE, argument is node, not ubanum */
- #define UMEM8200(i) (0x20400000+(i)*0x40000)
- #endif
-
- #if VAX8600
- #define UMEMA8600(i) (0x20100000+(i)*0x40000)
- #define UMEMB8600(i) (0x22100000+(i)*0x40000)
- #endif
-
- /*
- * Macro to offset a UNIBUS device address, often expressed as
- * something like 0172520, by forcing it into the last 8K
- * of UNIBUS memory space.
- */
- #define ubdevreg(addr) ((addr) & 017777)
-