1/*	$NetBSD: dec_prom.h,v 1.22 2009/12/14 00:46:10 matt 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#include <machine/int_types.h>
65
66/*
67 * Programs loaded by the new PROMs pass the following arguments:
68 *	a0	argc
69 *	a1	argv
70 *	a2	DEC_PROM_MAGIC
71 *	a3	The callback vector defined below
72 */
73
74#define DEC_PROM_MAGIC	0x30464354
75
76typedef struct memmap {
77	int	pagesize;	/* system page size */
78	u_char	bitmap[15360];	/* bit for each page indicating safe to use */
79} memmap;
80
81typedef struct {
82	int	revision;	/* hardware revision level */
83	int	clk_period;	/* clock period in nano seconds */
84	int	slot_size;	/* slot size in magabytes */
85	int	io_timeout;	/* I/O timeout in cycles */
86	int	dma_range;	/* DMA address range in megabytes */
87	int	max_dma_burst;	/* maximum DMA burst length */
88	int	parity;		/* true if system module supports T.C. parity */
89	int	reserved[4];
90} tcinfo;
91
92typedef int jmp_buf[12];
93typedef void (*psig_t)(int);
94
95struct callback {
96	void	*(*_memcpy)(void *, void *, int);		/* 00 */
97	void	*(*_memset)(void *, int, int);			/* 04 */
98	char	*(*_strcat)(char *, char *);			/* 08 */
99	int	(*_strcmp)(char *, char *);			/* 0c */
100	char	*(*_strcpy)(char *, char *);			/* 10 */
101	int	(*_strlen)(char *);				/* 14 */
102	char	*(*_strncat)(char *, char *, int);		/* 18 */
103	char	*(*_strncpy)(char *, char *, int);		/* 1c */
104	int	(*_strncmp)(char *, char *, int);		/* 20 */
105	int	(*_getchar)(void);				/* 24 */
106	char	*(*_gets)(char *);				/* 28 */
107	int	(*_puts)(char *);				/* 2c */
108	int	(*_printf)(const char *, ...);			/* 30 */
109	int	(*_sprintf)(char *, char *, ...);		/* 34 */
110	int	(*_io_poll)(void);				/* 38 */
111	long	(*_strtol)(char *, char **, int);		/* 3c */
112	psig_t	(*_signal)(int, psig_t);			/* 40 */
113	int	(*_raise)(int);					/* 44 */
114	long	(*_time)(long *);				/* 48 */
115	int	(*_setjmp)(jmp_buf);				/* 4c */
116	void	(*_longjmp)(jmp_buf, int);			/* 50 */
117	int	(*_bootinit)(char *);				/* 54 */
118	int	(*_bootread)(int, void *, int);			/* 58 */
119	int	(*_bootwrite)(int, void *, int);		/* 5c */
120	int	(*_setenv)(char *, char *);			/* 60 */
121	char	*(*_getenv)(const char *);			/* 64 */
122	int	(*_unsetenv)(char *);				/* 68 */
123	u_long	(*_slot_address)(int);				/* 6c */
124	void	(*_wbflush)(void);				/* 70 */
125	void	(*_msdelay)(int);				/* 74 */
126	void	(*_leds)(int);					/* 78 */
127	void	(*_clear_cache)(char *, int);			/* 7c */
128	int	(*_getsysid)(void);				/* 80 */
129	int	(*_getbitmap)(memmap *);			/* 84 */
130	int	(*_disableintr)(int);				/* 88 */
131	int	(*_enableintr)(int);				/* 8c */
132	int	(*_testintr)(int);				/* 90 */
133	void	*_reserved_data;				/* 94 */
134	int	(*_console_init)(void);				/* 98 */
135	void	(*_halt)(int *, int);				/* 9c */
136	void	(*_showfault)(void);				/* a0 */
137	tcinfo	*(*_gettcinfo)(void);	 /* XXX bogus proto */	/* a4 */
138	int	(*_execute_cmd)(char *);			/* a8 */
139	void	(*_rex)(char);					/* ac */
140	/* b0 to d4 reserved */
141};
142
143extern const struct callback *callv;
144#ifdef _LP64
145extern struct callback callvec;
146#else
147extern const struct callback callvec;
148#endif
149
150#ifdef _KERNEL
151intptr_t promcall(void *, ...);
152#endif
153
154#if defined(_STANDALONE) && !defined(_NO_PROM_DEFINES)
155#define memcpy (*callv -> _memcpy)
156#define memset (*callv -> _memset)
157#define strcat (*callv -> _strcat)
158#define strcmp (*callv -> _strcmp)
159#define strcpy (*callv -> _strcpy)
160#define strlen (*callv -> _strlen)
161#define strncat (*callv -> _strncat)
162#define strncpy (*callv -> _strncpy)
163#define strncmp (*callv -> _strncmp)
164#define getchar (*callv -> _getchar)
165#define gets (*callv -> _gets)
166#define puts (*callv -> _puts)
167#define printf (*callv -> _printf)
168#define sprintf (*callv -> _sprintf)
169#define io_poll (*callv -> _io_poll)
170#define strtol (*callv -> _strtol)
171#define raise (*callv -> _raise)
172#define time (*callv -> _time)
173#define setjmp (*callv -> _setjmp)
174#define longjmp (*callv -> _longjmp)
175#define bootinit (*callv -> _bootinit)
176#define bootread (*callv -> _bootread)
177#define bootwrite (*callv -> _bootwrite)
178#define setenv (*callv -> _setenv)
179#define getenv (*callv -> _getenv)
180#define unsetenv (*callv -> _unsetenv)
181#define wbflush (*callv -> _wbflush)
182#define msdelay (*callv -> _msdelay)
183#define leds (*callv -> _leds)
184#define clear_cache (*callv -> _clear_cache)
185#define getsysid (*callv -> _getsysid)
186#define getbitmap (*callv -> _getbitmap)
187#define disableintr (*callv -> _disableintr)
188#define enableintr (*callv -> _enableintr)
189#define testintr (*callv -> _testintr)
190#define console_init (*callv -> _console_init)
191#define halt (*callv -> _halt)
192#define showfault (*callv -> _showfault)
193#define gettcinfo (*callv -> _gettcinfo)
194#define execute_cmd (*callv -> _execute_cmd)
195#define rex (*callv -> _rex)
196
197#define bzero(dst, len) memset(dst, 0, len)
198/* XXX make sure that no calls to bcopy overlap! */
199#define bcopy(src, dst, len) memcpy(dst, src, len)
200#endif
201
202/*
203 * The prom routines use the following structure to hold strings.
204 */
205typedef struct {
206	char	*argPtr[16];	/* Pointers to the strings. */
207	char	strings[256];	/* Buffer for the strings. */
208	char	*end;		/* Pointer to end of used buf. */
209	int 	num;		/* Number of strings used. */
210} MachStringTable;
211
212#endif /* _LOCORE */
213
214/*
215 * The prom has a jump table at the beginning of it to get to its
216 * functions.
217 */
218#define DEC_PROM_JUMP_TABLE_ADDR	0xBFC00000
219
220/*
221 * Each entry in the jump table is 8 bytes - 4 for the jump and 4 for a nop.
222 */
223#define DEC_PROM_FUNC_ADDR(funcNum)	(DEC_PROM_JUMP_TABLE_ADDR+((funcNum)*8))
224
225/*
226 * The functions:
227 *
228 *	DEC_PROM_RESET		Run diags, check bootmode, reinit.
229 *	DEC_PROM_EXEC		Load new program image.
230 *	DEC_PROM_RESTART	Re-enter monitor command loop.
231 *	DEC_PROM_REINIT		Re-init monitor, then cmd loop.
232 *	DEC_PROM_REBOOT		Check bootmode, no config.
233 *	DEC_PROM_AUTOBOOT	Autoboot the system.
234 *
235 * The following routines access PROM saio routines and may be used by
236 * standalone programs that would like to use PROM I/O:
237 *
238 *	DEC_PROM_OPEN		Open a file.
239 *	DEC_PROM_READ		Read from a file.
240 *	DEC_PROM_WRITE		Write to a file.
241 *	DEC_PROM_IOCTL		Iocontrol on a file.
242 *	DEC_PROM_CLOSE		Close a file.
243 *	DEC_PROM_LSEEK		Seek on a file.
244 *	DEC_PROM_GETCHAR	Get character from console.
245 *	DEC_PROM_PUTCHAR	Put character on console.
246 *	DEC_PROM_SHOWCHAR	Show a char visibly.
247 *	DEC_PROM_GETS		gets with editing.
248 *	DEC_PROM_PUTS		Put string to console.
249 *	DEC_PROM_PRINTF		Kernel style printf to console.
250 *
251 *  PROM protocol entry points:
252 *
253 *	DEC_PROM_INITPROTO	Initialize protocol.
254 *	DEC_PROM_PROTOENABLE	Enable protocol mode.
255 *	DEC_PROM_PROTODISABLE	Disable protocol mode.
256 *	DEC_PROM_GETPKT		Get protocol packet.
257 *	DEC_PROM_PUTPKT		Put protocol packet.
258 *
259 * The following are other prom routines:
260 *	DEC_PROM_FLUSHCACHE	Flush entire cache ().
261 *	DEC_PROM_CLEARCACHE	Clear I & D cache in range (addr, len).
262 *	DEC_PROM_SAVEREGS	Save registers in a buffer.
263 *	DEC_PROM_LOADREGS	Get register back from buffer.
264 *	DEC_PROM_JUMPS8		Jump to address in s8.
265 *	DEC_PROM_GETENV2	Gets a string from system environment.
266 *	DEC_PROM_SETENV2	Sets a string in system environment.
267 *	DEC_PROM_ATONUM		Converts ascii string to number.
268 *	DEC_PROM_STRCMP		Compares strings (strcmp).
269 *	DEC_PROM_STRLEN		Length of string (strlen).
270 *	DEC_PROM_STRCPY		Copies string (strcpy).
271 *	DEC_PROM_STRCAT		Appends string (strcat).
272 *	DEC_PROM_GETCMD		Gets a command.
273 *	DEC_PROM_GETNUMS	Gets numbers.
274 *	DEC_PROM_ARGPARSE	Parses string to argc,argv.
275 *	DEC_PROM_HELP		Help on prom commands.
276 *	DEC_PROM_DUMP		Dumps memory.
277 *	DEC_PROM_SETENV		Sets a string in system environment.
278 *	DEC_PROM_UNSETENV	Unsets a string in system environment
279 *	DEC_PROM_PRINTENV	Prints system environment
280 *	DEC_PROM_JUMP2S8	Jumps to s8
281 *	DEC_PROM_ENABLE		Performs prom enable command.
282 *	DEC_PROM_DISABLE	Performs prom disable command.
283 *	DEC_PROM_ZEROB		Zeros a system buffer.
284 *	DEC_PROM_HALT		Handler for halt interrupt.
285 *	DEC_PROM_STARTCVAX	58xx VAX Diagnostic Supervisor support.
286 */
287#define DEC_PROM_RESET		DEC_PROM_FUNC_ADDR(0)
288#define DEC_PROM_EXEC		DEC_PROM_FUNC_ADDR(1)
289#define DEC_PROM_RESTART	DEC_PROM_FUNC_ADDR(2)
290#define DEC_PROM_REINIT		DEC_PROM_FUNC_ADDR(3)
291#define DEC_PROM_REBOOT		DEC_PROM_FUNC_ADDR(4)
292#define DEC_PROM_AUTOBOOT	DEC_PROM_FUNC_ADDR(5)
293#define DEC_PROM_OPEN		DEC_PROM_FUNC_ADDR(6)
294#define DEC_PROM_READ		DEC_PROM_FUNC_ADDR(7)
295#define DEC_PROM_WRITE		DEC_PROM_FUNC_ADDR(8)
296#define DEC_PROM_IOCTL		DEC_PROM_FUNC_ADDR(9)
297#define DEC_PROM_CLOSE		DEC_PROM_FUNC_ADDR(10)
298#define DEC_PROM_LSEEK		DEC_PROM_FUNC_ADDR(11)
299#define DEC_PROM_GETCHAR	DEC_PROM_FUNC_ADDR(12)
300#define DEC_PROM_PUTCHAR	DEC_PROM_FUNC_ADDR(13)
301#define DEC_PROM_SHOWCHAR	DEC_PROM_FUNC_ADDR(14)
302#define DEC_PROM_GETS		DEC_PROM_FUNC_ADDR(15)
303#define DEC_PROM_PUTS		DEC_PROM_FUNC_ADDR(16)
304#define DEC_PROM_PRINTF		DEC_PROM_FUNC_ADDR(17)
305#define DEC_PROM_INITPROTO	DEC_PROM_FUNC_ADDR(18)
306#define DEC_PROM_PROTOENABLE	DEC_PROM_FUNC_ADDR(19)
307#define DEC_PROM_PROTODISABLE	DEC_PROM_FUNC_ADDR(20)
308#define DEC_PROM_GETPKT		DEC_PROM_FUNC_ADDR(21)
309#define DEC_PROM_PUTPKT		DEC_PROM_FUNC_ADDR(22)
310#define DEC_PROM_FLUSHCACHE	DEC_PROM_FUNC_ADDR(28)
311#define DEC_PROM_CLEARCACHE	DEC_PROM_FUNC_ADDR(29)
312#define DEC_PROM_SAVEREGS	DEC_PROM_FUNC_ADDR(30)
313#define DEC_PROM_LOADREGS	DEC_PROM_FUNC_ADDR(31)
314#define DEC_PROM_JUMPS8		DEC_PROM_FUNC_ADDR(32)
315#define DEC_PROM_GETENV2	DEC_PROM_FUNC_ADDR(33)
316#define DEC_PROM_SETENV2	DEC_PROM_FUNC_ADDR(34)
317#define DEC_PROM_ATONUM		DEC_PROM_FUNC_ADDR(35)
318#define DEC_PROM_STRCMP		DEC_PROM_FUNC_ADDR(36)
319#define DEC_PROM_STRLEN		DEC_PROM_FUNC_ADDR(37)
320#define DEC_PROM_STRCPY		DEC_PROM_FUNC_ADDR(38)
321#define DEC_PROM_STRCAT		DEC_PROM_FUNC_ADDR(39)
322#define DEC_PROM_GETCMD		DEC_PROM_FUNC_ADDR(40)
323#define DEC_PROM_GETNUMS	DEC_PROM_FUNC_ADDR(41)
324#define DEC_PROM_ARGPARSE	DEC_PROM_FUNC_ADDR(42)
325#define DEC_PROM_HELP		DEC_PROM_FUNC_ADDR(43)
326#define DEC_PROM_DUMP		DEC_PROM_FUNC_ADDR(44)
327#define DEC_PROM_SETENV		DEC_PROM_FUNC_ADDR(45)
328#define DEC_PROM_UNSETENV	DEC_PROM_FUNC_ADDR(46)
329#define DEC_PROM_PRINTENV	DEC_PROM_FUNC_ADDR(47)
330#define DEC_PROM_JUMP2S8	DEC_PROM_FUNC_ADDR(48)
331#define DEC_PROM_ENABLE		DEC_PROM_FUNC_ADDR(49)
332#define DEC_PROM_DISABLE	DEC_PROM_FUNC_ADDR(50)
333#define DEC_PROM_ZEROB		DEC_PROM_FUNC_ADDR(51)
334#define DEC_PROM_HALT		DEC_PROM_FUNC_ADDR(54)
335#define DEC_PROM_STARTCVAX	DEC_PROM_FUNC_ADDR(97)
336
337/*
338 * The nonvolatile ram has a flag to indicate it is usable.
339 */
340#define MACH_USE_NON_VOLATILE 	((char *)0xbd0000c0)
341#define MACH_NON_VOLATILE_FLAG	0x02
342
343#define DEC_REX_MAGIC		0x30464354	/* REX Magic number */
344
345#endif	/* !_PMAX_DEC_PROM_H_ */
346