xref: /netbsd/sys/arch/mvme68k/include/prom.h (revision 9edd472c)
1 /*	$NetBSD: prom.h,v 1.18 2013/09/23 01:39:27 tsutsui 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(arg0, arg1)				\
159 	__asm volatile ("movel %0, %%sp@-;"			\
160 			"movel %1, %%sp@-;"			\
161 			:: "d" (arg0), "d" (arg1):)
162 #define MVMEPROM_GETRES(ret) \
163 	__asm volatile ("movel %%sp@+,%0": "=d" (ret):)
164 #define MVMEPROM_GETSR(ret) \
165 	__asm volatile ("movew %%sr,%0": "=d" (ret):)
166 #define MVMEPROM_RETURN(ret) \
167 	MVMEPROM_GETRES(ret); \
168 	return (ret);			/* return a value (int) */
169 /* return a byte, ret must be int */
170 #define MVMEPROM_RETURN_BYTE(ret) \
171 	MVMEPROM_GETRES(ret); \
172 	return(int)((((unsigned int)(ret)) >> 24) & 0xff);
173 #define MVMEPROM_STATRET(ret) \
174 	MVMEPROM_GETSR(ret); \
175 	return ((ret & 0x4) == 0);	/* return a 'status' in the Z flag */
176 
177 #define MVMEPROM_REG_DEVLUN	%d0
178 #define MVMEPROM_REG_CTRLLUN	%d1
179 #define MVMEPROM_REG_FLAGS	%d4
180 #define MVMEPROM_REG_CTRLADDR	%a0
181 #define MVMEPROM_REG_ENTRY	%a1
182 #define MVMEPROM_REG_CONFBLK	%a2
183 #define MVMEPROM_REG_NBARGSTART	%a3
184 #define MVMEPROM_REG_NBARGEND	%a4
185 #define MVMEPROM_REG_ARGSTART	%a5
186 #define MVMEPROM_REG_ARGEND	%a6
187 
188 #define MVMEPROM_ARGS_DEVLUN	0x00
189 #define MVMEPROM_ARGS_CTRLLUN	0x04
190 #define MVMEPROM_ARGS_FLAGS	0x08
191 #define MVMEPROM_ARGS_CTRLADDR	0x0c
192 #define MVMEPROM_ARGS_ENTRY	0x10
193 #define MVMEPROM_ARGS_CONFBLK	0x14
194 #define MVMEPROM_ARGS_NBARGSTART 0x18
195 #define MVMEPROM_ARGS_NBARGEND	0x1c
196 #define MVMEPROM_ARGS_ARGSTART	0x20
197 #define MVMEPROM_ARGS_ARGEND	0x24
198 #define MVMEPROM_ARGS_CPUTYP	0x28
199 #define MVMEPROM_ARGS_MAX	0x2c
200 
201 
202 #ifndef RB_NOSYM
203 #define RB_NOSYM 0x400
204 #endif
205 #ifndef RB_SBOOT
206 #define RB_SBOOT 0x800
207 #endif
208 
209