sys/arch/evbmips/include/yamon.h

   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
  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_ */