xref: /netbsd-src/sys/arch/pmax/include/dec_prom.h (revision 404fbe5fb94ca1e054339640cabb2801ce52dd30)
1 /*	$NetBSD: dec_prom.h,v 1.20 2005/12/11 12:18:39 christos 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. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)dec_prom.h	8.1 (Berkeley) 6/10/93
35  *
36  * machMon.h --
37  *
38  *	Structures, constants and defines for access to the pmax prom.
39  *
40  *	Copyright (C) 1989 Digital Equipment Corporation.
41  *	Permission to use, copy, modify, and distribute this software and
42  *	its documentation for any purpose and without fee is hereby granted,
43  *	provided that the above copyright notice appears in all copies.
44  *	Digital Equipment Corporation makes no representations about the
45  *	suitability of this software for any purpose.  It is provided "as is"
46  *	without express or implied warranty.
47  *
48  * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machMon.h,
49  *	v 9.3 90/02/20 14:34:07 shirriff Exp  SPRITE (Berkeley)
50  */
51 
52 #ifndef _PMAX_DEC_PROM_H_
53 #define _PMAX_DEC_PROM_H_
54 
55 /*
56  * This file was created based on information from the document
57  * "TURBOchannel Firmware Specification" (EK-TCAAD-FS-003)
58  * by Digital Equipment Corporation.
59  */
60 
61 #ifndef _LOCORE
62 #include <sys/types.h>
63 #include <sys/cdefs.h>
64 
65 /*
66  * Programs loaded by the new PROMs pass the following arguments:
67  *	a0	argc
68  *	a1	argv
69  *	a2	DEC_PROM_MAGIC
70  *	a3	The callback vector defined below
71  */
72 
73 #define DEC_PROM_MAGIC	0x30464354
74 
75 typedef struct memmap {
76 	int	pagesize;	/* system page size */
77 	u_char	bitmap[15360];	/* bit for each page indicating safe to use */
78 } memmap;
79 
80 typedef struct {
81 	int	revision;	/* hardware revision level */
82 	int	clk_period;	/* clock period in nano seconds */
83 	int	slot_size;	/* slot size in magabytes */
84 	int	io_timeout;	/* I/O timeout in cycles */
85 	int	dma_range;	/* DMA address range in megabytes */
86 	int	max_dma_burst;	/* maximum DMA burst length */
87 	int	parity;		/* true if system module supports T.C. parity */
88 	int	reserved[4];
89 } tcinfo;
90 
91 typedef int jmp_buf[12];
92 typedef void (*psig_t)(int);
93 
94 struct callback {
95 	void	*(*_memcpy) __P((void *, void *, int));		/* 00 */
96 	void	*(*_memset) __P((void *, int, int));		/* 04 */
97 	char	*(*_strcat) __P((char *, char *));		/* 08 */
98 	int	(*_strcmp) __P((char *, char *));		/* 0c */
99 	char	*(*_strcpy) __P((char *, char *));		/* 10 */
100 	int	(*_strlen) __P((char *));			/* 14 */
101 	char	*(*_strncat) __P((char *, char *, int));	/* 18 */
102 	char	*(*_strncpy) __P((char *, char *, int));	/* 1c */
103 	int	(*_strncmp) __P((char *, char *, int));		/* 20 */
104 	int	(*_getchar) __P((void));			/* 24 */
105 	char	*(*_gets) __P((char *));			/* 28 */
106 	int	(*_puts) __P((char *));				/* 2c */
107 	int	(*_printf) __P((const char *, ...));		/* 30 */
108 	int	(*_sprintf) __P((char *, char *, ...));		/* 34 */
109 	int	(*_io_poll) __P((void));			/* 38 */
110 	long	(*_strtol) __P((char *, char **, int));		/* 3c */
111 	psig_t	(*_signal) __P((int, psig_t));			/* 40 */
112 	int	(*_raise) __P((int));				/* 44 */
113 	long	(*_time) __P((long *));				/* 48 */
114 	int	(*_setjmp) __P((jmp_buf));			/* 4c */
115 	void	(*_longjmp) __P((jmp_buf, int));		/* 50 */
116 	int	(*_bootinit) __P((char *));			/* 54 */
117 	int	(*_bootread) __P((int, void *, int));		/* 58 */
118 	int	(*_bootwrite) __P((int, void *, int));		/* 5c */
119 	int	(*_setenv) __P((char *, char *));		/* 60 */
120 	char	*(*_getenv) __P((const char *));		/* 64 */
121 	int	(*_unsetenv) __P((char *));			/* 68 */
122 	u_long	(*_slot_address) __P((int));			/* 6c */
123 	void	(*_wbflush) __P((void));			/* 70 */
124 	void	(*_msdelay) __P((int));				/* 74 */
125 	void	(*_leds) __P((int));				/* 78 */
126 	void	(*_clear_cache) __P((char *, int));		/* 7c */
127 	int	(*_getsysid) __P((void));			/* 80 */
128 	int	(*_getbitmap) __P((memmap *));			/* 84 */
129 	int	(*_disableintr) __P((int));			/* 88 */
130 	int	(*_enableintr) __P((int));			/* 8c */
131 	int	(*_testintr) __P((int));			/* 90 */
132 	void	*_reserved_data;				/* 94 */
133 	int	(*_console_init) __P((void));			/* 98 */
134 	void	(*_halt) __P((int *, int));			/* 9c */
135 	void	(*_showfault) __P((void));			/* a0 */
136 	tcinfo	*(*_gettcinfo) __P((void)); /*XXX* bogus proto */ /* a4 */
137 	int	(*_execute_cmd) __P((char *));			/* a8 */
138 	void	(*_rex) __P((char));				/* ac */
139 	/* b0 to d4 reserved */
140 };
141 
142 extern const struct callback *callv;
143 extern const struct callback callvec;
144 
145 #if defined(_STANDALONE) && !defined(_NO_PROM_DEFINES)
146 #define memcpy (*callv -> _memcpy)
147 #define memset (*callv -> _memset)
148 #define strcat (*callv -> _strcat)
149 #define strcmp (*callv -> _strcmp)
150 #define strcpy (*callv -> _strcpy)
151 #define strlen (*callv -> _strlen)
152 #define strncat (*callv -> _strncat)
153 #define strncpy (*callv -> _strncpy)
154 #define strncmp (*callv -> _strncmp)
155 #define getchar (*callv -> _getchar)
156 #define gets (*callv -> _gets)
157 #define puts (*callv -> _puts)
158 #define printf (*callv -> _printf)
159 #define sprintf (*callv -> _sprintf)
160 #define io_poll (*callv -> _io_poll)
161 #define strtol (*callv -> _strtol)
162 #define raise (*callv -> _raise)
163 #define time (*callv -> _time)
164 #define setjmp (*callv -> _setjmp)
165 #define longjmp (*callv -> _longjmp)
166 #define bootinit (*callv -> _bootinit)
167 #define bootread (*callv -> _bootread)
168 #define bootwrite (*callv -> _bootwrite)
169 #define setenv (*callv -> _setenv)
170 #define getenv (*callv -> _getenv)
171 #define unsetenv (*callv -> _unsetenv)
172 #define wbflush (*callv -> _wbflush)
173 #define msdelay (*callv -> _msdelay)
174 #define leds (*callv -> _leds)
175 #define clear_cache (*callv -> _clear_cache)
176 #define getsysid (*callv -> _getsysid)
177 #define getbitmap (*callv -> _getbitmap)
178 #define disableintr (*callv -> _disableintr)
179 #define enableintr (*callv -> _enableintr)
180 #define testintr (*callv -> _testintr)
181 #define console_init (*callv -> _console_init)
182 #define halt (*callv -> _halt)
183 #define showfault (*callv -> _showfault)
184 #define gettcinfo (*callv -> _gettcinfo)
185 #define execute_cmd (*callv -> _execute_cmd)
186 #define rex (*callv -> _rex)
187 
188 #define bzero(dst, len) memset(dst, 0, len)
189 /* XXX make sure that no calls to bcopy overlap! */
190 #define bcopy(src, dst, len) memcpy(dst, src, len)
191 #endif
192 
193 /*
194  * The prom routines use the following structure to hold strings.
195  */
196 typedef struct {
197 	char	*argPtr[16];	/* Pointers to the strings. */
198 	char	strings[256];	/* Buffer for the strings. */
199 	char	*end;		/* Pointer to end of used buf. */
200 	int 	num;		/* Number of strings used. */
201 } MachStringTable;
202 
203 #endif /* _LOCORE */
204 
205 /*
206  * The prom has a jump table at the beginning of it to get to its
207  * functions.
208  */
209 #define DEC_PROM_JUMP_TABLE_ADDR	0xBFC00000
210 
211 /*
212  * Each entry in the jump table is 8 bytes - 4 for the jump and 4 for a nop.
213  */
214 #define DEC_PROM_FUNC_ADDR(funcNum)	(DEC_PROM_JUMP_TABLE_ADDR+((funcNum)*8))
215 
216 /*
217  * The functions:
218  *
219  *	DEC_PROM_RESET		Run diags, check bootmode, reinit.
220  *	DEC_PROM_EXEC		Load new program image.
221  *	DEC_PROM_RESTART	Re-enter monitor command loop.
222  *	DEC_PROM_REINIT		Re-init monitor, then cmd loop.
223  *	DEC_PROM_REBOOT		Check bootmode, no config.
224  *	DEC_PROM_AUTOBOOT	Autoboot the system.
225  *
226  * The following routines access PROM saio routines and may be used by
227  * standalone programs that would like to use PROM I/O:
228  *
229  *	DEC_PROM_OPEN		Open a file.
230  *	DEC_PROM_READ		Read from a file.
231  *	DEC_PROM_WRITE		Write to a file.
232  *	DEC_PROM_IOCTL		Iocontrol on a file.
233  *	DEC_PROM_CLOSE		Close a file.
234  *	DEC_PROM_LSEEK		Seek on a file.
235  *	DEC_PROM_GETCHAR	Get character from console.
236  *	DEC_PROM_PUTCHAR	Put character on console.
237  *	DEC_PROM_SHOWCHAR	Show a char visibly.
238  *	DEC_PROM_GETS		gets with editing.
239  *	DEC_PROM_PUTS		Put string to console.
240  *	DEC_PROM_PRINTF		Kernel style printf to console.
241  *
242  *  PROM protocol entry points:
243  *
244  *	DEC_PROM_INITPROTO	Initialize protocol.
245  *	DEC_PROM_PROTOENABLE	Enable protocol mode.
246  *	DEC_PROM_PROTODISABLE	Disable protocol mode.
247  *	DEC_PROM_GETPKT		Get protocol packet.
248  *	DEC_PROM_PUTPKT		Put protocol packet.
249  *
250  * The following are other prom routines:
251  *	DEC_PROM_FLUSHCACHE	Flush entire cache ().
252  *	DEC_PROM_CLEARCACHE	Clear I & D cache in range (addr, len).
253  *	DEC_PROM_SAVEREGS	Save registers in a buffer.
254  *	DEC_PROM_LOADREGS	Get register back from buffer.
255  *	DEC_PROM_JUMPS8		Jump to address in s8.
256  *	DEC_PROM_GETENV2	Gets a string from system environment.
257  *	DEC_PROM_SETENV2	Sets a string in system environment.
258  *	DEC_PROM_ATONUM		Converts ascii string to number.
259  *	DEC_PROM_STRCMP		Compares strings (strcmp).
260  *	DEC_PROM_STRLEN		Length of string (strlen).
261  *	DEC_PROM_STRCPY		Copies string (strcpy).
262  *	DEC_PROM_STRCAT		Appends string (strcat).
263  *	DEC_PROM_GETCMD		Gets a command.
264  *	DEC_PROM_GETNUMS	Gets numbers.
265  *	DEC_PROM_ARGPARSE	Parses string to argc,argv.
266  *	DEC_PROM_HELP		Help on prom commands.
267  *	DEC_PROM_DUMP		Dumps memory.
268  *	DEC_PROM_SETENV		Sets a string in system environment.
269  *	DEC_PROM_UNSETENV	Unsets a string in system environment
270  *	DEC_PROM_PRINTENV	Prints system environment
271  *	DEC_PROM_JUMP2S8	Jumps to s8
272  *	DEC_PROM_ENABLE		Performs prom enable command.
273  *	DEC_PROM_DISABLE	Performs prom disable command.
274  *	DEC_PROM_ZEROB		Zeros a system buffer.
275  *	DEC_PROM_HALT		Handler for halt interrupt.
276  *	DEC_PROM_STARTCVAX	58xx VAX Diagnostic Supervisor support.
277  */
278 #define DEC_PROM_RESET		DEC_PROM_FUNC_ADDR(0)
279 #define DEC_PROM_EXEC		DEC_PROM_FUNC_ADDR(1)
280 #define DEC_PROM_RESTART	DEC_PROM_FUNC_ADDR(2)
281 #define DEC_PROM_REINIT		DEC_PROM_FUNC_ADDR(3)
282 #define DEC_PROM_REBOOT		DEC_PROM_FUNC_ADDR(4)
283 #define DEC_PROM_AUTOBOOT	DEC_PROM_FUNC_ADDR(5)
284 #define DEC_PROM_OPEN		DEC_PROM_FUNC_ADDR(6)
285 #define DEC_PROM_READ		DEC_PROM_FUNC_ADDR(7)
286 #define DEC_PROM_WRITE		DEC_PROM_FUNC_ADDR(8)
287 #define DEC_PROM_IOCTL		DEC_PROM_FUNC_ADDR(9)
288 #define DEC_PROM_CLOSE		DEC_PROM_FUNC_ADDR(10)
289 #define DEC_PROM_LSEEK		DEC_PROM_FUNC_ADDR(11)
290 #define DEC_PROM_GETCHAR	DEC_PROM_FUNC_ADDR(12)
291 #define DEC_PROM_PUTCHAR	DEC_PROM_FUNC_ADDR(13)
292 #define DEC_PROM_SHOWCHAR	DEC_PROM_FUNC_ADDR(14)
293 #define DEC_PROM_GETS		DEC_PROM_FUNC_ADDR(15)
294 #define DEC_PROM_PUTS		DEC_PROM_FUNC_ADDR(16)
295 #define DEC_PROM_PRINTF		DEC_PROM_FUNC_ADDR(17)
296 #define DEC_PROM_INITPROTO	DEC_PROM_FUNC_ADDR(18)
297 #define DEC_PROM_PROTOENABLE	DEC_PROM_FUNC_ADDR(19)
298 #define DEC_PROM_PROTODISABLE	DEC_PROM_FUNC_ADDR(20)
299 #define DEC_PROM_GETPKT		DEC_PROM_FUNC_ADDR(21)
300 #define DEC_PROM_PUTPKT		DEC_PROM_FUNC_ADDR(22)
301 #define DEC_PROM_FLUSHCACHE	DEC_PROM_FUNC_ADDR(28)
302 #define DEC_PROM_CLEARCACHE	DEC_PROM_FUNC_ADDR(29)
303 #define DEC_PROM_SAVEREGS	DEC_PROM_FUNC_ADDR(30)
304 #define DEC_PROM_LOADREGS	DEC_PROM_FUNC_ADDR(31)
305 #define DEC_PROM_JUMPS8		DEC_PROM_FUNC_ADDR(32)
306 #define DEC_PROM_GETENV2	DEC_PROM_FUNC_ADDR(33)
307 #define DEC_PROM_SETENV2	DEC_PROM_FUNC_ADDR(34)
308 #define DEC_PROM_ATONUM		DEC_PROM_FUNC_ADDR(35)
309 #define DEC_PROM_STRCMP		DEC_PROM_FUNC_ADDR(36)
310 #define DEC_PROM_STRLEN		DEC_PROM_FUNC_ADDR(37)
311 #define DEC_PROM_STRCPY		DEC_PROM_FUNC_ADDR(38)
312 #define DEC_PROM_STRCAT		DEC_PROM_FUNC_ADDR(39)
313 #define DEC_PROM_GETCMD		DEC_PROM_FUNC_ADDR(40)
314 #define DEC_PROM_GETNUMS	DEC_PROM_FUNC_ADDR(41)
315 #define DEC_PROM_ARGPARSE	DEC_PROM_FUNC_ADDR(42)
316 #define DEC_PROM_HELP		DEC_PROM_FUNC_ADDR(43)
317 #define DEC_PROM_DUMP		DEC_PROM_FUNC_ADDR(44)
318 #define DEC_PROM_SETENV		DEC_PROM_FUNC_ADDR(45)
319 #define DEC_PROM_UNSETENV	DEC_PROM_FUNC_ADDR(46)
320 #define DEC_PROM_PRINTENV	DEC_PROM_FUNC_ADDR(47)
321 #define DEC_PROM_JUMP2S8	DEC_PROM_FUNC_ADDR(48)
322 #define DEC_PROM_ENABLE		DEC_PROM_FUNC_ADDR(49)
323 #define DEC_PROM_DISABLE	DEC_PROM_FUNC_ADDR(50)
324 #define DEC_PROM_ZEROB		DEC_PROM_FUNC_ADDR(51)
325 #define DEC_PROM_HALT		DEC_PROM_FUNC_ADDR(54)
326 #define DEC_PROM_STARTCVAX	DEC_PROM_FUNC_ADDR(97)
327 
328 /*
329  * The nonvolatile ram has a flag to indicate it is usable.
330  */
331 #define MACH_USE_NON_VOLATILE 	((char *)0xbd0000c0)
332 #define MACH_NON_VOLATILE_FLAG	0x02
333 
334 #define DEC_REX_MAGIC		0x30464354	/* REX Magic number */
335 
336 #endif	/* !_PMAX_DEC_PROM_H_ */
337