xref: /f-stack/freebsd/mips/malta/yamon.h (revision 22ce4aff)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
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  * $FreeBSD$
38  */
39 
40 #ifndef _MALTA_YAMON_H_
41 #define _MALTA_YAMON_H_
42 
43 #define YAMON_FUNCTION_BASE	0x1fc00500ul
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)		((long)(*(int32_t *)(MIPS_PHYS_TO_KSEG0(ofs))))
59 
60 typedef 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 
64 typedef void (*t_yamon_exit)(uint32_t rc);
65 #define YAMON_EXIT(rc) ((t_yamon_exit)(YAMON_FUNC(YAMON_EXIT_OFS)))(rc)
66 
67 typedef 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 
70 typedef 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 
74 typedef int t_yamon_syscon_id;
75 typedef int (*t_yamon_syscon_read)(t_yamon_syscon_id id, void *param,
76 				   uint32_t size);
77 #define YAMON_SYSCON_READ(id, param, size)				\
78 	((t_yamon_syscon_read)(YAMON_FUNC(YAMON_SYSCON_READ_OFS)))	\
79 	(id, param, size)
80 
81 typedef struct {
82 	char *name;
83 	char *value;
84 } yamon_env_t;
85 
86 #define SYSCON_BOARD_CPU_CLOCK_FREQ_ID	34	/* UINT32 */
87 #define SYSCON_BOARD_BUS_CLOCK_FREQ_ID	35	/* UINT32 */
88 #define SYSCON_BOARD_PCI_FREQ_KHZ_ID	36	/* UINT32 */
89 
90 char*		yamon_getenv(char *name);
91 uint32_t	yamon_getcpufreq(void);
92 
93 extern yamon_env_t *fenvp[];
94 
95 #endif /* _MALTA_YAMON_H_ */
96