xref: /netbsd/sys/arch/pmax/include/dec_prom.h (revision bf9ec67e)
1 /*	$NetBSD: dec_prom.h,v 1.17 2001/08/24 15:33:17 mhitch Exp $	*/
2 
3 /*
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Ralph Campbell.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *	@(#)dec_prom.h	8.1 (Berkeley) 6/10/93
39  *
40  * machMon.h --
41  *
42  *	Structures, constants and defines for access to the pmax prom.
43  *
44  *	Copyright (C) 1989 Digital Equipment Corporation.
45  *	Permission to use, copy, modify, and distribute this software and
46  *	its documentation for any purpose and without fee is hereby granted,
47  *	provided that the above copyright notice appears in all copies.
48  *	Digital Equipment Corporation makes no representations about the
49  *	suitability of this software for any purpose.  It is provided "as is"
50  *	without express or implied warranty.
51  *
52  * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machMon.h,
53  *	v 9.3 90/02/20 14:34:07 shirriff Exp  SPRITE (Berkeley)
54  */
55 
56 #ifndef _PMAX_DEC_PROM_H_
57 #define _PMAX_DEC_PROM_H_
58 
59 /*
60  * This file was created based on information from the document
61  * "TURBOchannel Firmware Specification" (EK-TCAAD-FS-003)
62  * by Digital Equipment Corporation.
63  */
64 
65 #ifndef _LOCORE
66 #include <sys/types.h>
67 #include <sys/cdefs.h>
68 
69 /*
70  * Programs loaded by the new PROMs pass the following arguments:
71  *	a0	argc
72  *	a1	argv
73  *	a2	DEC_PROM_MAGIC
74  *	a3	The callback vector defined below
75  */
76 
77 #define DEC_PROM_MAGIC	0x30464354
78 
79 typedef struct memmap {
80 	int	pagesize;	/* system page size */
81 	u_char	bitmap[15360];	/* bit for each page indicating safe to use */
82 } memmap;
83 
84 typedef struct {
85 	int	revision;	/* hardware revision level */
86 	int	clk_period;	/* clock period in nano seconds */
87 	int	slot_size;	/* slot size in magabytes */
88 	int	io_timeout;	/* I/O timeout in cycles */
89 	int	dma_range;	/* DMA address range in megabytes */
90 	int	max_dma_burst;	/* maximum DMA burst length */
91 	int	parity;		/* true if system module supports T.C. parity */
92 	int	reserved[4];
93 } tcinfo;
94 
95 typedef int jmp_buf[12];
96 typedef void (*psig_t)(int);
97 
98 struct callback {
99 	void	*(*_memcpy) __P((void *s1, void *s2, int n));		/* 00 */
100 	void	*(*_memset) __P((void *s1, int c, int n));		/* 04 */
101 	char	*(*_strcat) __P((char *s1, char *s2));			/* 08 */
102 	int	(*_strcmp) __P((char *s1, char *s2));			/* 0c */
103 	char	*(*_strcpy) __P((char *s1, char *s2));			/* 10 */
104 	int	(*_strlen) __P((char *s1));				/* 14 */
105 	char	*(*_strncat) __P((char *s1, char *s2, int n));		/* 18 */
106 	char	*(*_strncpy) __P((char *s1, char *s2, int n));		/* 1c */
107 	int	(*_strncmp) __P((char *s1, char *s2, int n));		/* 20 */
108 	int	(*_getchar) __P((void));				/* 24 */
109 	char	*(*_gets) __P((char *s));				/* 28 */
110 	int	(*_puts) __P((char *s));				/* 2c */
111 	int	(*_printf) __P((char *fmt, ...));			/* 30 */
112 	int	(*_sprintf) __P((char *s, char *fmt, ...));		/* 34 */
113 	int	(*_io_poll) __P((void));				/* 38 */
114 	long	(*_strtol) __P((char *s, char **endptr, int base));	/* 3c */
115 	psig_t	(*_signal) __P((int sig, psig_t func));			/* 40 */
116 	int	(*_raise) __P((int sig));				/* 44 */
117 	long	(*_time) __P((long *tod));				/* 48 */
118 	int	(*_setjmp) __P((jmp_buf env));				/* 4c */
119 	void	(*_longjmp) __P((jmp_buf env, int value));		/* 50 */
120 	int	(*_bootinit) __P((char *fname));			/* 54 */
121 	int	(*_bootread) __P((int b, void *buffer, int n));		/* 58 */
122 	int	(*_bootwrite) __P((int b, void *buffer, int n));	/* 5c */
123 	int	(*_setenv) __P((char *name, char *value));		/* 60 */
124 	char	*(*_getenv) __P((char *name));				/* 64 */
125 	int	(*_unsetenv) __P((char *name));				/* 68 */
126 	u_long	(*_slot_address) __P((int sn));				/* 6c */
127 	void	(*_wbflush) __P((void));				/* 70 */
128 	void	(*_msdelay) __P((int delay));				/* 74 */
129 	void	(*_leds) __P((int value));				/* 78 */
130 	void	(*_clear_cache) __P((char *addr, int len));		/* 7c */
131 	int	(*_getsysid) __P((void));				/* 80 */
132 	int	(*_getbitmap) __P((memmap *map));			/* 84 */
133 	int	(*_disableintr) __P((int sn));				/* 88 */
134 	int	(*_enableintr) __P((int sn));				/* 8c */
135 	int	(*_testintr) __P((int sn));				/* 90 */
136 	void	*_reserved_data;					/* 94 */
137 	int	(*_console_init) __P((void));				/* 98 */
138 	void	(*_halt) __P((int *v, int cnt));			/* 9c */
139 	void	(*_showfault) __P((void));				/* a0 */
140 	tcinfo	*(*_gettcinfo) __P((void));	/*XXX* bogus proto */	/* a4 */
141 	int	(*_execute_cmd) __P((char *cmd));			/* a8 */
142 	void	(*_rex) __P((char cmd));				/* ac */
143 	/* b0 to d4 reserved */
144 };
145 
146 extern const struct callback *callv;
147 extern const struct callback callvec;
148 
149 #if defined(_STANDALONE) && !defined(_NO_PROM_DEFINES)
150 #define memcpy (*callv -> _memcpy)
151 #define memset (*callv -> _memset)
152 #define strcat (*callv -> _strcat)
153 #define strcmp (*callv -> _strcmp)
154 #define strcpy (*callv -> _strcpy)
155 #define strlen (*callv -> _strlen)
156 #define strncat (*callv -> _strncat)
157 #define strncpy (*callv -> _strncpy)
158 #define strncmp (*callv -> _strncmp)
159 #define getchar (*callv -> _getchar)
160 #define gets (*callv -> _gets)
161 #define puts (*callv -> _puts)
162 #define printf (*callv -> _printf)
163 #define sprintf (*callv -> _sprintf)
164 #define io_poll (*callv -> _io_poll)
165 #define strtol (*callv -> _strtol)
166 #define raise (*callv -> _raise)
167 #define time (*callv -> _time)
168 #define setjmp (*callv -> _setjmp)
169 #define longjmp (*callv -> _longjmp)
170 #define bootinit (*callv -> _bootinit)
171 #define bootread (*callv -> _bootread)
172 #define bootwrite (*callv -> _bootwrite)
173 #define setenv (*callv -> _setenv)
174 #define getenv (*callv -> _getenv)
175 #define unsetenv (*callv -> _unsetenv)
176 #define wbflush (*callv -> _wbflush)
177 #define msdelay (*callv -> _msdelay)
178 #define leds (*callv -> _leds)
179 #define clear_cache (*callv -> _clear_cache)
180 #define getsysid (*callv -> _getsysid)
181 #define getbitmap (*callv -> _getbitmap)
182 #define disableintr (*callv -> _disableintr)
183 #define enableintr (*callv -> _enableintr)
184 #define testintr (*callv -> _testintr)
185 #define console_init (*callv -> _console_init)
186 #define halt (*callv -> _halt)
187 #define showfault (*callv -> _showfault)
188 #define gettcinfo (*callv -> _gettcinfo)
189 #define execute_cmd (*callv -> _execute_cmd)
190 #define rex (*callv -> _rex)
191 
192 #define bzero(dst, len) memset(dst, 0, len)
193 /* XXX make sure that no calls to bcopy overlap! */
194 #define bcopy(src, dst, len) memcpy(dst, src, len)
195 #endif
196 
197 /*
198  * The prom routines use the following structure to hold strings.
199  */
200 typedef struct {
201 	char	*argPtr[16];	/* Pointers to the strings. */
202 	char	strings[256];	/* Buffer for the strings. */
203 	char	*end;		/* Pointer to end of used buf. */
204 	int 	num;		/* Number of strings used. */
205 } MachStringTable;
206 
207 #endif /* _LOCORE */
208 
209 /*
210  * The prom has a jump table at the beginning of it to get to its
211  * functions.
212  */
213 #define DEC_PROM_JUMP_TABLE_ADDR	0xBFC00000
214 
215 /*
216  * Each entry in the jump table is 8 bytes - 4 for the jump and 4 for a nop.
217  */
218 #define DEC_PROM_FUNC_ADDR(funcNum)	(DEC_PROM_JUMP_TABLE_ADDR+((funcNum)*8))
219 
220 /*
221  * The functions:
222  *
223  *	DEC_PROM_RESET		Run diags, check bootmode, reinit.
224  *	DEC_PROM_EXEC		Load new program image.
225  *	DEC_PROM_RESTART	Re-enter monitor command loop.
226  *	DEC_PROM_REINIT		Re-init monitor, then cmd loop.
227  *	DEC_PROM_REBOOT		Check bootmode, no config.
228  *	DEC_PROM_AUTOBOOT	Autoboot the system.
229  *
230  * The following routines access PROM saio routines and may be used by
231  * standalone programs that would like to use PROM I/O:
232  *
233  *	DEC_PROM_OPEN		Open a file.
234  *	DEC_PROM_READ		Read from a file.
235  *	DEC_PROM_WRITE		Write to a file.
236  *	DEC_PROM_IOCTL		Iocontrol on a file.
237  *	DEC_PROM_CLOSE		Close a file.
238  *	DEC_PROM_LSEEK		Seek on a file.
239  *	DEC_PROM_GETCHAR	Get character from console.
240  *	DEC_PROM_PUTCHAR	Put character on console.
241  *	DEC_PROM_SHOWCHAR	Show a char visibly.
242  *	DEC_PROM_GETS		gets with editing.
243  *	DEC_PROM_PUTS		Put string to console.
244  *	DEC_PROM_PRINTF		Kernel style printf to console.
245  *
246  *  PROM protocol entry points:
247  *
248  *	DEC_PROM_INITPROTO	Initialize protocol.
249  *	DEC_PROM_PROTOENABLE	Enable protocol mode.
250  *	DEC_PROM_PROTODISABLE	Disable protocol mode.
251  *	DEC_PROM_GETPKT		Get protocol packet.
252  *	DEC_PROM_PUTPKT		Put protocol packet.
253  *
254  * The following are other prom routines:
255  *	DEC_PROM_FLUSHCACHE	Flush entire cache ().
256  *	DEC_PROM_CLEARCACHE	Clear I & D cache in range (addr, len).
257  *	DEC_PROM_SAVEREGS	Save registers in a buffer.
258  *	DEC_PROM_LOADREGS	Get register back from buffer.
259  *	DEC_PROM_JUMPS8		Jump to address in s8.
260  *	DEC_PROM_GETENV2	Gets a string from system environment.
261  *	DEC_PROM_SETENV2	Sets a string in system environment.
262  *	DEC_PROM_ATONUM		Converts ascii string to number.
263  *	DEC_PROM_STRCMP		Compares strings (strcmp).
264  *	DEC_PROM_STRLEN		Length of string (strlen).
265  *	DEC_PROM_STRCPY		Copies string (strcpy).
266  *	DEC_PROM_STRCAT		Appends string (strcat).
267  *	DEC_PROM_GETCMD		Gets a command.
268  *	DEC_PROM_GETNUMS	Gets numbers.
269  *	DEC_PROM_ARGPARSE	Parses string to argc,argv.
270  *	DEC_PROM_HELP		Help on prom commands.
271  *	DEC_PROM_DUMP		Dumps memory.
272  *	DEC_PROM_SETENV		Sets a string in system environment.
273  *	DEC_PROM_UNSETENV	Unsets a string in system environment
274  *	DEC_PROM_PRINTENV	Prints system environment
275  *	DEC_PROM_JUMP2S8	Jumps to s8
276  *	DEC_PROM_ENABLE		Performs prom enable command.
277  *	DEC_PROM_DISABLE	Performs prom disable command.
278  *	DEC_PROM_ZEROB		Zeros a system buffer.
279  *	DEC_PROM_HALT		Handler for halt interrupt.
280  *	DEC_PROM_STARTCVAX	58xx VAX Diagnostic Supervisor support.
281  */
282 #define DEC_PROM_RESET		DEC_PROM_FUNC_ADDR(0)
283 #define DEC_PROM_EXEC		DEC_PROM_FUNC_ADDR(1)
284 #define DEC_PROM_RESTART	DEC_PROM_FUNC_ADDR(2)
285 #define DEC_PROM_REINIT		DEC_PROM_FUNC_ADDR(3)
286 #define DEC_PROM_REBOOT		DEC_PROM_FUNC_ADDR(4)
287 #define DEC_PROM_AUTOBOOT	DEC_PROM_FUNC_ADDR(5)
288 #define DEC_PROM_OPEN		DEC_PROM_FUNC_ADDR(6)
289 #define DEC_PROM_READ		DEC_PROM_FUNC_ADDR(7)
290 #define DEC_PROM_WRITE		DEC_PROM_FUNC_ADDR(8)
291 #define DEC_PROM_IOCTL		DEC_PROM_FUNC_ADDR(9)
292 #define DEC_PROM_CLOSE		DEC_PROM_FUNC_ADDR(10)
293 #define DEC_PROM_LSEEK		DEC_PROM_FUNC_ADDR(11)
294 #define DEC_PROM_GETCHAR	DEC_PROM_FUNC_ADDR(12)
295 #define DEC_PROM_PUTCHAR	DEC_PROM_FUNC_ADDR(13)
296 #define DEC_PROM_SHOWCHAR	DEC_PROM_FUNC_ADDR(14)
297 #define DEC_PROM_GETS		DEC_PROM_FUNC_ADDR(15)
298 #define DEC_PROM_PUTS		DEC_PROM_FUNC_ADDR(16)
299 #define DEC_PROM_PRINTF		DEC_PROM_FUNC_ADDR(17)
300 #define DEC_PROM_INITPROTO	DEC_PROM_FUNC_ADDR(18)
301 #define DEC_PROM_PROTOENABLE	DEC_PROM_FUNC_ADDR(19)
302 #define DEC_PROM_PROTODISABLE	DEC_PROM_FUNC_ADDR(20)
303 #define DEC_PROM_GETPKT		DEC_PROM_FUNC_ADDR(21)
304 #define DEC_PROM_PUTPKT		DEC_PROM_FUNC_ADDR(22)
305 #define DEC_PROM_FLUSHCACHE	DEC_PROM_FUNC_ADDR(28)
306 #define DEC_PROM_CLEARCACHE	DEC_PROM_FUNC_ADDR(29)
307 #define DEC_PROM_SAVEREGS	DEC_PROM_FUNC_ADDR(30)
308 #define DEC_PROM_LOADREGS	DEC_PROM_FUNC_ADDR(31)
309 #define DEC_PROM_JUMPS8		DEC_PROM_FUNC_ADDR(32)
310 #define DEC_PROM_GETENV2	DEC_PROM_FUNC_ADDR(33)
311 #define DEC_PROM_SETENV2	DEC_PROM_FUNC_ADDR(34)
312 #define DEC_PROM_ATONUM		DEC_PROM_FUNC_ADDR(35)
313 #define DEC_PROM_STRCMP		DEC_PROM_FUNC_ADDR(36)
314 #define DEC_PROM_STRLEN		DEC_PROM_FUNC_ADDR(37)
315 #define DEC_PROM_STRCPY		DEC_PROM_FUNC_ADDR(38)
316 #define DEC_PROM_STRCAT		DEC_PROM_FUNC_ADDR(39)
317 #define DEC_PROM_GETCMD		DEC_PROM_FUNC_ADDR(40)
318 #define DEC_PROM_GETNUMS	DEC_PROM_FUNC_ADDR(41)
319 #define DEC_PROM_ARGPARSE	DEC_PROM_FUNC_ADDR(42)
320 #define DEC_PROM_HELP		DEC_PROM_FUNC_ADDR(43)
321 #define DEC_PROM_DUMP		DEC_PROM_FUNC_ADDR(44)
322 #define DEC_PROM_SETENV		DEC_PROM_FUNC_ADDR(45)
323 #define DEC_PROM_UNSETENV	DEC_PROM_FUNC_ADDR(46)
324 #define DEC_PROM_PRINTENV	DEC_PROM_FUNC_ADDR(47)
325 #define DEC_PROM_JUMP2S8	DEC_PROM_FUNC_ADDR(48)
326 #define DEC_PROM_ENABLE		DEC_PROM_FUNC_ADDR(49)
327 #define DEC_PROM_DISABLE	DEC_PROM_FUNC_ADDR(50)
328 #define DEC_PROM_ZEROB		DEC_PROM_FUNC_ADDR(51)
329 #define DEC_PROM_HALT		DEC_PROM_FUNC_ADDR(54)
330 #define DEC_PROM_STARTCVAX	DEC_PROM_FUNC_ADDR(97)
331 
332 /*
333  * The nonvolatile ram has a flag to indicate it is usable.
334  */
335 #define MACH_USE_NON_VOLATILE 	((char *)0xbd0000c0)
336 #define MACH_NON_VOLATILE_FLAG	0x02
337 
338 #define DEC_REX_MAGIC		0x30464354	/* REX Magic number */
339 
340 #endif	/* !_PMAX_DEC_PROM_H_ */
341