The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/mips/malta/yamon.h

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    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: releng/8.4/sys/mips/malta/yamon.h 215938 2010-11-27 12:26:40Z jchandra $
   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_ */

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