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Annotation of sys/arch/sparc/dev/qecreg.h, Revision 1.1.1.1

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 */