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prom.h revision 1.17
      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 
    207