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Annotation of sys/arch/sparc/dev/qecreg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: qecreg.h,v 1.4 2003/06/02 15:54:22 deraadt Exp $      */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1998 Theo de Raadt and Jason L. Wright.
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            19:  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            20:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            21:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            22:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            23:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            24:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            25:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            26:  */
        !            27:
        !            28: /* QEC registers */
        !            29: struct qecregs {
        !            30:        volatile u_int32_t ctrl;                /* control */
        !            31:        volatile u_int32_t stat;                /* status */
        !            32:        volatile u_int32_t psize;               /* packet size */
        !            33:        volatile u_int32_t msize;               /* local-mem size (64K) */
        !            34:        volatile u_int32_t rsize;               /* receive partition size */
        !            35:        volatile u_int32_t tsize;               /* transmit partition size */
        !            36: };
        !            37:
        !            38: /* qecregs.ctrl: control. */
        !            39: #define QEC_CTRL_MODEMASK      0xf0000000      /* QEC mode: qe or be */
        !            40: #define QEC_CTRL_MMODE         0x40000000              /* MACE qec mode */
        !            41: #define QEC_CTRL_BMODE         0x10000000              /* BE qec mode */
        !            42: #define QEC_CTRL_EPAR          0x00000020      /* enable parity */
        !            43: #define QEC_CTRL_ACNTRL                0x00000018      /* sbus arbitration control */
        !            44: #define QEC_CTRL_B64           0x00000004      /* 64 byte dvma bursts */
        !            45: #define QEC_CTRL_B32           0x00000002      /* 32 byte dvma bursts */
        !            46: #define QEC_CTRL_B16           0x00000000      /* 16 byte dvma bursts */
        !            47: #define QEC_CTRL_RESET         0x00000001      /* reset the qec */
        !            48:
        !            49: /* qecregs.stat: status. */
        !            50: #define QEC_STAT_TX            0x00000008      /* bigmac transmit irq */
        !            51: #define QEC_STAT_RX            0x00000004      /* bigmac receive irq */
        !            52: #define QEC_STAT_BM            0x00000002      /* bigmac qec irq */
        !            53: #define QEC_STAT_ER            0x00000001      /* bigmac error irq */
        !            54:
        !            55: /* qecregs.stat: packet size. */
        !            56: #define QEC_PSIZE_2048         0x00            /* 2k packet size */
        !            57: #define QEC_PSIZE_4096         0x01            /* 4k packet size */
        !            58: #define QEC_PSIZE_6144         0x10            /* 6k packet size */
        !            59: #define QEC_PSIZE_8192         0x11            /* 8k packet size */