sys/arch/mvme68k/include/prom.h

   1 /*      $NetBSD: prom.h,v 1.16 2005/12/24 20:07:19 perry Exp $  */
   2
   3 /*
   4  * Copyright (c) 1995 Theo de Raadt
   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 AUTHOR ``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 AUTHOR 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 #define MVMEPROM_INCHR          0x00
  29 #define MVMEPROM_INSTAT         0x01
  30 #define MVMEPROM_INLN           0x02
  31 #define MVMEPROM_READSTR        0x03
  32 #define MVMEPROM_READLN         0x04
  33 #define MVMEPROM_OUTCHR         0x20
  34 #define MVMEPROM_OUTSTR         0x21
  35 #define MVMEPROM_DSKRD          0x10
  36 #define MVMEPROM_DSKWR          0x11
  37 #define MVMEPROM_DSKCFIG        0x12
  38 #define MVMEPROM_DSKFMT         0x14
  39 #define MVMEPROM_DSKCTRL        0x15
  40 #define MVMEPROM_NETCTRL        0x1d
  41 #define MVMEPROM_OUTSTRCRLF     0x22
  42 #define MVMEPROM_WRITE          0x23
  43 #define MVMEPROM_WRITELN        0x24
  44 #define MVMEPROM_DELAY          0x43
  45 #define MVMEPROM_RTC_RD         0x53
  46 #define MVMEPROM_EXIT           0x63
  47 #define MVMEPROM_GETBRDID       0x70
  48 #define MVMEPROM_ENVIRON        0x71
  49
  50 #define NETCTRLCMD_GETETHER     1
  51
  52 #define ENVIRONCMD_WRITE        1
  53 #define ENVIRONCMD_READ         2
  54 #define ENVIRONTYPE_EOL         0
  55 #define ENVIRONTYPE_START       1
  56 #define ENVIRONTYPE_DISKBOOT    2
  57 #define ENVIRONTYPE_ROMBOOT     3
  58 #define ENVIRONTYPE_NETBOOT     4
  59 #define ENVIRONTYPE_MEMSIZE     5
  60
  61 #ifndef _LOCORE
  62 struct prom_netctrl {
  63         u_char  dev;
  64         u_char  ctrl;
  65         u_short status;
  66         u_long  cmd;
  67         u_long  addr;
  68         u_long  len;
  69         u_long  flags;
  70 };
  71
  72 struct prom_environ_hdr {
  73         u_char  type;
  74         u_char  len;
  75 };
  76
  77 struct mvmeprom_brdid {
  78         u_long  eye_catcher;
  79         u_char  rev;
  80         u_char  month;
  81         u_char  day;
  82         u_char  year;
  83         u_short size;
  84         u_short rsv1;
  85         u_short model;
  86         u_short suffix;
  87         u_short options;
  88         u_char  family;
  89         u_char  cpu;
  90         u_short ctrlun;
  91         u_short devlun;
  92         u_short devtype;
  93         u_short devnum;
  94         u_long  bug;
  95
  96         /*
  97          * XXX: I have seen no documentation for these!
  98          *
  99          * The following (appears to) exist only on the MVME162 and
 100          * upwards. We should figure out what the other fields are.
 101          */
 102         u_char  xx1[16];
 103         u_char  xx2[4];
 104         u_char  longname[12];
 105         u_char  xx3[16];
 106         u_char  speed[4];
 107         u_char  xx4[12];
 108 };
 109
 110 struct mvmeprom_time {
 111         u_char  year_BCD;
 112         u_char  month_BCD;
 113         u_char  day_BCD;
 114         u_char  wday_BCD;
 115         u_char  hour_BCD;
 116         u_char  min_BCD;
 117         u_char  sec_BCD;
 118         u_char  cal_BCD;
 119 };
 120
 121 struct mvmeprom_dskio {
 122         u_char  ctrl_lun;
 123         u_char  dev_lun;
 124         u_short status;
 125         void    *pbuffer;
 126         u_long  blk_num;
 127         u_short blk_cnt;
 128         u_char  flag;
 129 #define BUG_FILE_MARK   0x80
 130 #define IGNORE_FILENUM  0x02
 131 #define END_OF_FILE     0x01
 132         u_char  addr_mod;
 133 };
 134 #define MVMEPROM_BLOCK_SIZE     256
 135
 136 struct mvmeprom_args {
 137         u_int   dev_lun;
 138         u_int   ctrl_lun;
 139         u_int   flags;
 140         u_int   ctrl_addr;
 141         u_int   entry;
 142         u_int   conf_blk;
 143         char    *nbarg_start;
 144         char    *nbarg_end;
 145         char    *arg_start;
 146         char    *arg_end;
 147         u_int   cputyp;
 148 };
 149
 150 #endif
 151
 152 #define MVMEPROM_CALL(x) \
 153         __asm volatile ("trap #15; .short " __STRING(x))
 154 #define MVMEPROM_NOARG() \
 155         __asm volatile ("clrl %sp@-")
 156 #define MVMEPROM_ARG1(arg) \
 157         __asm volatile ("movel %0, %%sp@-"::"d" (arg))
 158 #define MVMEPROM_ARG2(arg) \
 159         __asm volatile ("movel %0, %%sp@-"::"d" (arg))
 160 #define MVMEPROM_GETRES(ret) \
 161         __asm volatile ("movel %%sp@+,%0": "=d" (ret):)
 162 #define MVMEPROM_GETSR(ret) \
 163         __asm volatile ("movew %%sr,%0": "=d" (ret):)
 164 #define MVMEPROM_RETURN(ret) \
 165         MVMEPROM_GETRES(ret); \
 166         return (ret);                   /* return a value (int) */
 167 /* return a byte, ret must be int */
 168 #define MVMEPROM_RETURN_BYTE(ret) \
 169         MVMEPROM_GETRES(ret); \
 170         return(int)((((unsigned int)(ret)) >> 24) & 0xff);
 171 #define MVMEPROM_STATRET(ret) \
 172         MVMEPROM_GETSR(ret); \
 173         return ((ret & 0x4) == 0);      /* return a 'status' in the Z flag */
 174
 175 #define MVMEPROM_REG_DEVLUN     %d0
 176 #define MVMEPROM_REG_CTRLLUN    %d1
 177 #define MVMEPROM_REG_FLAGS      %d4
 178 #define MVMEPROM_REG_CTRLADDR   %a0
 179 #define MVMEPROM_REG_ENTRY      %a1
 180 #define MVMEPROM_REG_CONFBLK    %a2
 181 #define MVMEPROM_REG_NBARGSTART %a3
 182 #define MVMEPROM_REG_NBARGEND   %a4
 183 #define MVMEPROM_REG_ARGSTART   %a5
 184 #define MVMEPROM_REG_ARGEND     %a6
 185
 186 #define MVMEPROM_ARGS_DEVLUN    0x00
 187 #define MVMEPROM_ARGS_CTRLLUN   0x04
 188 #define MVMEPROM_ARGS_FLAGS     0x08
 189 #define MVMEPROM_ARGS_CTRLADDR  0x0c
 190 #define MVMEPROM_ARGS_ENTRY     0x10
 191 #define MVMEPROM_ARGS_CONFBLK   0x14
 192 #define MVMEPROM_ARGS_NBARGSTART 0x18
 193 #define MVMEPROM_ARGS_NBARGEND  0x1c
 194 #define MVMEPROM_ARGS_ARGSTART  0x20
 195 #define MVMEPROM_ARGS_ARGEND    0x24
 196 #define MVMEPROM_ARGS_CPUTYP    0x28
 197 #define MVMEPROM_ARGS_MAX       0x2c
 198
 199
 200 #ifndef RB_NOSYM
 201 #define RB_NOSYM 0x400
 202 #endif
 203 #ifndef RB_SBOOT
 204 #define RB_SBOOT 0x800
 205 #endif
 206