1/*	$NetBSD: yamon.h,v 1.6 2006/07/13 21:06:18 gdamore Exp $	*/
2
3/*
4 * Copyright 2002 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Simon Burge for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software developed for the NetBSD Project by
20 *      Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 *    or promote products derived from this software without specific prior
23 *    written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38/* XXX move to arch/mips/yamon/yamon.h or similar? */
39
40#ifndef	_MIPS_YAMON_YAMON_H_
41#define	_MIPS_YAMON_YAMON_H_
42
43#define	YAMON_FUNCTION_BASE	0x1fc00500
44
45#define	YAMON_PRINT_COUNT_OFS	(YAMON_FUNCTION_BASE + 0x04)
46#define	YAMON_EXIT_OFS		(YAMON_FUNCTION_BASE + 0x20)
47#define	YAMON_FLUSH_CACHE_OFS	(YAMON_FUNCTION_BASE + 0x2c)
48#define	YAMON_PRINT_OFS		(YAMON_FUNCTION_BASE + 0x34)
49#define	YAMON_REG_CPU_ISR_OFS	(YAMON_FUNCTION_BASE + 0x38)
50#define	YAMON_DEREG_CPU_ISR_OFS	(YAMON_FUNCTION_BASE + 0x3c)
51#define	YAMON_REG_IC_ISR_OFS	(YAMON_FUNCTION_BASE + 0x40)
52#define	YAMON_DEREG_IC_ISR_OFS	(YAMON_FUNCTION_BASE + 0x44)
53#define	YAMON_REG_ESR_OFS	(YAMON_FUNCTION_BASE + 0x48)
54#define	YAMON_DEREG_ESR_OFS	(YAMON_FUNCTION_BASE + 0x4c)
55#define	YAMON_GETCHAR_OFS	(YAMON_FUNCTION_BASE + 0x50)
56#define	YAMON_SYSCON_READ_OFS	(YAMON_FUNCTION_BASE + 0x54)
57
58#define	YAMON_FUNC(ofs)		((intptr_t)*(int32_t *)(MIPS_PHYS_TO_KSEG0(ofs)))
59
60typedef void (*t_yamon_print_count)(uint32_t port, char *s, uint32_t count);
61#define	YAMON_PRINT_COUNT(s, count) \
62	((t_yamon_print_count)(YAMON_FUNC(YAMON_PRINT_COUNT_OFS)))(0, s, count)
63
64typedef void (*t_yamon_exit)(uint32_t rc);
65#define	YAMON_EXIT(rc) ((t_yamon_exit)(YAMON_FUNC(YAMON_EXIT_OFS)))(rc)
66
67typedef void (*t_yamon_print)(uint32_t port, const char *s);
68#define	YAMON_PRINT(s) ((t_yamon_print)(YAMON_FUNC(YAMON_PRINT_OFS)))(0, s)
69
70typedef int (*t_yamon_getchar)(uint32_t port, char *ch);
71#define	YAMON_GETCHAR(ch) \
72	((t_yamon_getchar)(YAMON_FUNC(YAMON_GETCHAR_OFS)))(0, ch)
73
74typedef int t_yamon_syscon_id;
75typedef int (*t_yamon_syscon_read)(t_yamon_syscon_id id, void *param, uint32_t size);
76#define	YAMON_SYSCON_READ(id, param, size) \
77	((t_yamon_syscon_read)(YAMON_FUNC(YAMON_SYSCON_READ_OFS)))\
78	(id, param, size)
79
80typedef struct {
81	char *name;
82	char *val;
83} yamon_env_var;
84
85#define	SYSCON_BOARD_CPU_CLOCK_FREQ_ID	34		/* UINT32 */
86#define	SYSCON_BOARD_BUS_CLOCK_FREQ_ID	35		/* UINT32 */
87#define	SYSCON_BOARD_PCI_FREQ_KHZ_ID	36		/* UINT32 */
88
89char *yamon_getenv(const char *);
90void yamon_print(const char *);
91void yamon_exit(uint32_t);
92int yamon_setcpufreq(int);
93
94extern yamon_env_var *yamon_envp;
95extern struct consdev yamon_promcd;
96#endif /* _MIPS_YAMON_YAMON_H_ */
97