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      1 /*	$NetBSD: yamon.h,v 1.7 2009/12/14 00:46:02 matt 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 
     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, 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 
     80 typedef 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 
     89 char *yamon_getenv(const char *);
     90 void yamon_print(const char *);
     91 void yamon_exit(uint32_t);
     92 int yamon_setcpufreq(int);
     93 
     94 extern yamon_env_var *yamon_envp;
     95 extern struct consdev yamon_promcd;
     96 #endif /* _MIPS_YAMON_YAMON_H_ */
     97