sys/mips/malta/yamon.h

   1 /*-
   2  * Copyright 2002 Wasabi Systems, Inc.
   3  * All rights reserved.
   4  *
   5  * Written by Simon Burge for Wasabi Systems, Inc.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed for the NetBSD Project by
  18  *      Wasabi Systems, Inc.
  19  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  20  *    or promote products derived from this software without specific prior
  21  *    written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33  * POSSIBILITY OF SUCH DAMAGE.
  34  *
  35  * $FreeBSD$
  36  */
  37
  38 #ifndef _MALTA_YAMON_H_
  39 #define _MALTA_YAMON_H_
  40
  41 #define YAMON_FUNCTION_BASE     0x1fc00500ul
  42
  43 #define YAMON_PRINT_COUNT_OFS   (YAMON_FUNCTION_BASE + 0x04)
  44 #define YAMON_EXIT_OFS          (YAMON_FUNCTION_BASE + 0x20)
  45 #define YAMON_FLUSH_CACHE_OFS   (YAMON_FUNCTION_BASE + 0x2c)
  46 #define YAMON_PRINT_OFS         (YAMON_FUNCTION_BASE + 0x34)
  47 #define YAMON_REG_CPU_ISR_OFS   (YAMON_FUNCTION_BASE + 0x38)
  48 #define YAMON_DEREG_CPU_ISR_OFS (YAMON_FUNCTION_BASE + 0x3c)
  49 #define YAMON_REG_IC_ISR_OFS    (YAMON_FUNCTION_BASE + 0x40)
  50 #define YAMON_DEREG_IC_ISR_OFS  (YAMON_FUNCTION_BASE + 0x44)
  51 #define YAMON_REG_ESR_OFS       (YAMON_FUNCTION_BASE + 0x48)
  52 #define YAMON_DEREG_ESR_OFS     (YAMON_FUNCTION_BASE + 0x4c)
  53 #define YAMON_GETCHAR_OFS       (YAMON_FUNCTION_BASE + 0x50)
  54 #define YAMON_SYSCON_READ_OFS   (YAMON_FUNCTION_BASE + 0x54)
  55
  56 #define YAMON_FUNC(ofs)         ((long)(*(int32_t *)(MIPS_PHYS_TO_KSEG0(ofs))))
  57
  58 typedef void (*t_yamon_print_count)(uint32_t port, char *s, uint32_t count);
  59 #define YAMON_PRINT_COUNT(s, count) \
  60         ((t_yamon_print_count)(YAMON_FUNC(YAMON_PRINT_COUNT_OFS)))(0, s, count)
  61
  62 typedef void (*t_yamon_exit)(uint32_t rc);
  63 #define YAMON_EXIT(rc) ((t_yamon_exit)(YAMON_FUNC(YAMON_EXIT_OFS)))(rc)
  64
  65 typedef void (*t_yamon_print)(uint32_t port, const char *s);
  66 #define YAMON_PRINT(s) ((t_yamon_print)(YAMON_FUNC(YAMON_PRINT_OFS)))(0, s)
  67
  68 typedef int (*t_yamon_getchar)(uint32_t port, char *ch);
  69 #define YAMON_GETCHAR(ch) \
  70         ((t_yamon_getchar)(YAMON_FUNC(YAMON_GETCHAR_OFS)))(0, ch)
  71
  72 typedef int t_yamon_syscon_id;
  73 typedef int (*t_yamon_syscon_read)(t_yamon_syscon_id id, void *param,
  74                                    uint32_t size);
  75 #define YAMON_SYSCON_READ(id, param, size)                              \
  76         ((t_yamon_syscon_read)(YAMON_FUNC(YAMON_SYSCON_READ_OFS)))      \
  77         (id, param, size)
  78
  79 typedef struct {
  80         char *name;
  81         char *value;
  82 } yamon_env_t;
  83
  84 #define SYSCON_BOARD_CPU_CLOCK_FREQ_ID  34      /* UINT32 */
  85 #define SYSCON_BOARD_BUS_CLOCK_FREQ_ID  35      /* UINT32 */
  86 #define SYSCON_BOARD_PCI_FREQ_KHZ_ID    36      /* UINT32 */
  87
  88 char*           yamon_getenv(char *name);
  89 uint32_t        yamon_getcpufreq(void);
  90
  91 extern yamon_env_t *fenvp[];
  92
  93 #endif /* _MALTA_YAMON_H_ */