/*- * Copyright (c) 1982, 1986 The Regents of the University of California. * All rights reserved. * * %sccs.include.redist.c% * * @(#)ubareg.h 7.8 (Berkeley) 05/09/91 */ /* * 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)