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Annotation of researchv9/sys.vax/h/ubareg.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * VAX UNIBUS adapter registers
        !             3:  */
        !             4: #ifndef LOCORE
        !             5: /*
        !             6:  * UBA hardware registers
        !             7:  */
        !             8: struct uba_regs
        !             9: {
        !            10:        int     uba_cnfgr;              /* configuration register */
        !            11:        int     uba_cr;                 /* control register */
        !            12:        int     uba_sr;                 /* status register */
        !            13:        int     uba_dcr;                /* diagnostic control register */
        !            14:        int     uba_fmer;               /* failed map entry register */
        !            15:        int     uba_fubar;              /* failed UNIBUS address register */
        !            16:        int     pad1[2];
        !            17:        int     uba_brsvr[4];
        !            18:        int     uba_brrvr[4];           /* receive vector registers */
        !            19:        int     uba_dpr[16];            /* buffered data path register */
        !            20:        int     pad2[480];
        !            21:        struct  pte uba_map[496];       /* unibus map register */
        !            22:        int     pad3[16];               /* no maps for device address space */
        !            23: };
        !            24: 
        !            25: /*
        !            26:  * MicroVAX-II local registers
        !            27:  */
        !            28: struct qb_regs
        !            29: {
        !            30:        u_short qb_bdr;                 /* boot and diag register       */
        !            31:        u_short qb_pad1;
        !            32:        u_long  qb_mser;                /* memory system error register */
        !            33:        u_long  qb_caer;                /* cpu error address            */
        !            34:        u_long  qb_daer;                /* dma error address            */
        !            35:        u_long  qb_pad2[7676];
        !            36:        union {
        !            37:                struct {
        !            38:                int qb_pad[512];
        !            39:                struct pte qb_map[8192];/* q-bus map registers          */
        !            40:                } qba; 
        !            41:                struct uba_regs uba;
        !            42:        } qb_uba;
        !            43:        u_long  qb_pad3[40960];
        !            44:                        /* time of year clock base address 200b 8000 */
        !            45:        u_short qb_toysecs;             /* seconds                      */
        !            46:        u_short qb_toysecs_alarm;       /* not used                     */
        !            47:        u_short qb_toymins;             /* minutes                      */
        !            48:        u_short qb_toymins_alarm;       /* not used                     */
        !            49:        u_short qb_toyhours;            /* hours                        */
        !            50:        u_short qb_toyhours_alarm;      /* not used                     */
        !            51:        u_short qb_toyday_week;         /* not used                     */
        !            52:        u_short qb_toyday;              /* day of month                 */
        !            53:        u_short qb_toymonth;            /* month                        */
        !            54:        u_short qb_toyyear;             /* year                         */
        !            55:        u_short qb_toycsra;             /* csr                          */
        !            56:        u_short qb_toycsrb;             /* csr                          */
        !            57:        u_short qb_toycsrc;             /* csr                          */
        !            58:        u_short qb_toycsrd;             /* csr                          */
        !            59:        u_short qb_cpmbx;               /* console program mailbox      */
        !            60:        u_short qb_toyram[49];          /* toy ram                      */
        !            61: };
        !            62: #endif
        !            63: 
        !            64: #ifdef MVAX
        !            65: /* qb_mser */
        !            66: #define        QBM_CD          0x300           /* memory error code    */
        !            67: #define QBM_NXM                0x80            /* nonexistant memory   */
        !            68: #define QBM_LPE                0x40            /* local memory parity  */
        !            69: #define QBM_QPE                0x20            /* q-bus parity error   */
        !            70: #define QBM_DMAQPE     0x10            /* dma q-bus parity     */
        !            71: #define QBM_LEB                0x8             /* lost error bit       */
        !            72: #define QBM_WRW                0x2             /* write wrong parity   */
        !            73: #define QBM_PENB       0x1             /* parity enable        */
        !            74: #define QBM_EMASK      0xf8            /* mask to isolate cause*/
        !            75: 
        !            76: /* toy csr */
        !            77: #define QBT_UIP                0x80            /* update in progress   */
        !            78: #define QBT_SETA       0x20            /* set up divider       */
        !            79: #define        QBT_SETUP       0x80            /* stop                 */
        !            80: #define QBT_SETB       0x6             /* binary and 24 hour   */
        !            81: 
        !            82: /*
        !            83:  * Flags,boot options for MicroVAX-II console program
        !            84:  */
        !            85: #define RB_RESTART     0x21    /* Restart, english     */
        !            86: #define RB_REBOOT      0x22    /* Reboot, english      */
        !            87: #define RB_HALTMD      0x23    /* Halt, english        */
        !            88: 
        !            89: #endif MVAX
        !            90: 
        !            91: #if VAX780
        !            92: /* uba_cnfgr */
        !            93: #define        UBACNFGR_UBINIT 0x00040000      /* unibus init asserted */
        !            94: #define        UBACNFGR_UBPDN  0x00020000      /* unibus power down */
        !            95: #define        UBACNFGR_UBIC   0x00010000      /* unibus init complete */
        !            96: 
        !            97: /* uba_cr */
        !            98: #define        UBACR_MRD16     0x40000000      /* map reg disable bit 4 */
        !            99: #define        UBACR_MRD8      0x20000000      /* map reg disable bit 3 */
        !           100: #define        UBACR_MRD4      0x10000000      /* map reg disable bit 2 */
        !           101: #define        UBACR_MRD2      0x08000000      /* map reg disable bit 1 */
        !           102: #define        UBACR_MRD1      0x04000000      /* map reg disable bit 0 */
        !           103: #define        UBACR_IFS       0x00000040      /* interrupt field switch */
        !           104: #define        UBACR_BRIE      0x00000020      /* BR interrupt enable */
        !           105: #define        UBACR_USEFIE    0x00000010      /* UNIBUS to SBI error field IE */
        !           106: #define        UBACR_SUEFIE    0x00000008      /* SBI to UNIBUS error field IE */
        !           107: #define        UBACR_CNFIE     0x00000004      /* configuration IE */
        !           108: #define        UBACR_UPF       0x00000002      /* UNIBUS power fail */
        !           109: #define        UBACR_ADINIT    0x00000001      /* adapter init */
        !           110: 
        !           111: /* uba_sr */
        !           112: #define        UBASR_BR7FULL   0x08000000      /* BR7 receive vector reg full */
        !           113: #define        UBASR_BR6FULL   0x04000000      /* BR6 receive vector reg full */
        !           114: #define        UBASR_BR5FULL   0x02000000      /* BR5 receive vector reg full */
        !           115: #define        UBASR_BR4FULL   0x01000000      /* BR4 receive vector reg full */
        !           116: #define        UBASR_RDTO      0x00000400      /* UNIBUS to SBI read data timeout */
        !           117: #define        UBASR_RDS       0x00000200      /* read data substitute */
        !           118: #define        UBASR_CRD       0x00000100      /* corrected read data */
        !           119: #define        UBASR_CXTER     0x00000080      /* command transmit error */
        !           120: #define        UBASR_CXTMO     0x00000040      /* command transmit timeout */
        !           121: #define        UBASR_DPPE      0x00000020      /* data path parity error */
        !           122: #define        UBASR_IVMR      0x00000010      /* invalid map register */
        !           123: #define        UBASR_MRPF      0x00000008      /* map register parity failure */
        !           124: #define        UBASR_LEB       0x00000004      /* lost error */
        !           125: #define        UBASR_UBSTO     0x00000002      /* UNIBUS select timeout */
        !           126: #define        UBASR_UBSSYNTO  0x00000001      /* UNIBUS slave sync timeout */
        !           127: 
        !           128: #define        UBASR_BITS \
        !           129: "\20\13RDTO\12RDS\11CRD\10CXTER\7CXTMO\6DPPE\5IVMR\4MRPF\3LEB\2UBSTO\1UBSSYNTO"
        !           130: 
        !           131: /* uba_brrvr[] */
        !           132: #define        UBABRRVR_AIRI   0x80000000      /* adapter interrupt request */
        !           133: #define        UBABRRVR_DIV    0x0000ffff      /* device interrupt vector field */
        !           134: #endif VAX780
        !           135:  
        !           136: /* uba_dpr */
        !           137: #if VAX780
        !           138: #define        UBADPR_BNE      0x80000000      /* buffer not empty - purge */
        !           139: #define        UBADPR_BTE      0x40000000      /* buffer transfer error */
        !           140: #define        UBADPR_DPF      0x20000000      /* DP function (RO) */
        !           141: #define        UBADPR_BS       0x007f0000      /* buffer state field */
        !           142: #define        UBADPR_BUBA     0x0000ffff      /* buffered UNIBUS address */
        !           143: #define        UBA_PURGE780(uba, bdp) \
        !           144:     ((uba)->uba_dpr[bdp] |= UBADPR_BNE)
        !           145: #endif VAX780
        !           146: #if VAX750
        !           147: #define        UBADPR_ERROR    0x80000000      /* error occurred */
        !           148: #define        UBADPR_NXM      0x40000000      /* nxm from memory */
        !           149: #define        UBADPR_UCE      0x20000000      /* uncorrectable error */
        !           150: #define        UBADPR_PURGE    0x00000001      /* purge bdp */
        !           151: #define        UBA_PURGE750(uba, bdp) \
        !           152:     ((uba)->uba_dpr[bdp] |= (UBADPR_PURGE|UBADPR_NXM|UBADPR_UCE))
        !           153: #endif VAX750
        !           154:  
        !           155: /*
        !           156:  * Macros for fast buffered data path purging in time-critical routines.
        !           157:  *
        !           158:  * Too bad C pre-processor doesn't have the power of LISP in macro
        !           159:  * expansion...
        !           160:  */
        !           161: #if defined(VAX780) && defined(VAX750)
        !           162: #define        UBAPURGE(uba, bdp) { \
        !           163:        switch (cpu) { \
        !           164:        case VAX_780: UBA_PURGE780((uba), (bdp)); break; \
        !           165:        case VAX_750: UBA_PURGE750((uba), (bdp)); break; \
        !           166:        } \
        !           167: }
        !           168: #endif
        !           169: #if defined(VAX780) && !defined(VAX750)
        !           170: #define        UBAPURGE(uba, bdp) { \
        !           171:        if (cpu==VAX_780) { \
        !           172:                UBA_PURGE780((uba), (bdp)); \
        !           173:        } \
        !           174: }
        !           175: #endif
        !           176: #if !defined(VAX780) && defined(VAX750)
        !           177: #define        UBAPURGE(uba, bdp) { \
        !           178:        if (cpu==VAX_750) { \
        !           179:                UBA_PURGE750((uba), (bdp)); break; \
        !           180:        } \
        !           181: }
        !           182: #endif
        !           183: #if !defined(VAX780) && !defined(VAX750)
        !           184: #define        IF_UBAPURGE(uba, bdp)
        !           185: #endif
        !           186: 
        !           187: /* uba_mr[] */
        !           188: #define        UBAMR_MRV       0x80000000      /* map register valid */
        !           189: #define        UBAMR_BO        0x02000000      /* byte offset bit */
        !           190: #define        UBAMR_DPDB      0x01e00000      /* data path designator field */
        !           191: #define        UBAMR_SBIPFN    0x000fffff      /* SBI page address field */
        !           192: 
        !           193: #define        UBAMR_DPSHIFT   21              /* shift to data path designator */
        !           194: 
        !           195: /*
        !           196:  * Number of UNIBUS map registers.  We can't use the last 8k of UNIBUS
        !           197:  * address space for i/o transfers since it is used by the devices,
        !           198:  * hence have slightly less than 256K of UNIBUS address space.
        !           199:  * There are 8192 Q-BUS map registers. We use only NUBMREG because the
        !           200:  * device drivers are based on 18-bit unibus addresses.
        !           201:  */
        !           202: #define        NUBMREG 496
        !           203: 
        !           204: /* All systems now have an 8k csr space. If this changes, put into percpu */
        !           205: #define DEVSPACESIZE 8192
        !           206: 
        !           207: /*
        !           208:  * Number of unibus buffered data paths and possible uba's per cpu type.
        !           209:  */
        !           210: #define        NBDP780 15
        !           211: #define        NBDP750 3
        !           212: #define        NBDP7ZZ 0
        !           213: #define NBDPMVAX 0
        !           214: #define        MAXNBDP 15
        !           215: 
        !           216: #define        NUBA780 4
        !           217: #define        NUBA750 1
        !           218: #define        NUBA7ZZ 1
        !           219: #define NUBAMVAX 1
        !           220: #if VAX780
        !           221: #define        MAXNUBA 4
        !           222: #else
        !           223: #define        MAXNUBA 1
        !           224: #endif
        !           225: 
        !           226: /*
        !           227:  * Formulas for locations of the last 8k of UNIBUS memory
        !           228:  * for each possible uba.
        !           229:  */
        !           230: #if VAX7ZZ
        !           231: #define        UMEM7ZZ         ((u_short *)(0xffe000))
        !           232: #endif
        !           233: #if VAX750
        !           234: #define        UMEM750(i)      ((u_short *)(0xffe000-(i)*0x40000))
        !           235: #endif
        !           236: #if VAX780
        !           237: #define        UMEM780(i)      ((u_short *)(0x2013e000+(i)*0x40000))
        !           238: #endif
        !           239: #define        UMEMSIZE        512 * MAXNNEXUS
        !           240:        
        !           241: #if MVAX
        !           242: /* MicroVAX-II adapters have noncontiguous memory and device csr space 
        !           243:  *     QMEMMVAX is the adapter memory space
        !           244:  *     QIOMVAX is the adapter i/o space
        !           245:  */
        !           246: #define QMEMMVAX       ((char *)(0x30000000))
        !           247: #define QMEMSIZE       (512*8192)      /* 4 meg plus space for the csr's */
        !           248: #define QIOMVAX                ((u_short *)(0x20000000))
        !           249: #endif

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