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

     /*-
      * SPDX-License-Identifier: BSD-4-Clause
      *
      * Copyright 2002 Wasabi Systems, Inc.
      * All rights reserved.
      *
      * Written by Simon Burge for Wasabi Systems, Inc.
      *
      * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed for the NetBSD Project by
     *      Wasabi Systems, Inc.
     * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     *    or promote products derived from this software without specific prior
     *    written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD: releng/12.0/sys/mips/malta/yamon.h 326259 2017-11-27 15:07:26Z pfg $
     */
    
    #ifndef _MALTA_YAMON_H_
    #define _MALTA_YAMON_H_
    
    #define YAMON_FUNCTION_BASE     0x1fc00500ul
    
    #define YAMON_PRINT_COUNT_OFS   (YAMON_FUNCTION_BASE + 0x04)
    #define YAMON_EXIT_OFS          (YAMON_FUNCTION_BASE + 0x20)
    #define YAMON_FLUSH_CACHE_OFS   (YAMON_FUNCTION_BASE + 0x2c)
    #define YAMON_PRINT_OFS         (YAMON_FUNCTION_BASE + 0x34)
    #define YAMON_REG_CPU_ISR_OFS   (YAMON_FUNCTION_BASE + 0x38)
    #define YAMON_DEREG_CPU_ISR_OFS (YAMON_FUNCTION_BASE + 0x3c)
    #define YAMON_REG_IC_ISR_OFS    (YAMON_FUNCTION_BASE + 0x40)
    #define YAMON_DEREG_IC_ISR_OFS  (YAMON_FUNCTION_BASE + 0x44)
    #define YAMON_REG_ESR_OFS       (YAMON_FUNCTION_BASE + 0x48)
    #define YAMON_DEREG_ESR_OFS     (YAMON_FUNCTION_BASE + 0x4c)
    #define YAMON_GETCHAR_OFS       (YAMON_FUNCTION_BASE + 0x50)
    #define YAMON_SYSCON_READ_OFS   (YAMON_FUNCTION_BASE + 0x54)
    
    #define YAMON_FUNC(ofs)         ((long)(*(int32_t *)(MIPS_PHYS_TO_KSEG0(ofs))))
    
    typedef void (*t_yamon_print_count)(uint32_t port, char *s, uint32_t count);
    #define YAMON_PRINT_COUNT(s, count) \
            ((t_yamon_print_count)(YAMON_FUNC(YAMON_PRINT_COUNT_OFS)))(0, s, count)
    
    typedef void (*t_yamon_exit)(uint32_t rc);
    #define YAMON_EXIT(rc) ((t_yamon_exit)(YAMON_FUNC(YAMON_EXIT_OFS)))(rc)
    
    typedef void (*t_yamon_print)(uint32_t port, const char *s);
    #define YAMON_PRINT(s) ((t_yamon_print)(YAMON_FUNC(YAMON_PRINT_OFS)))(0, s)
    
    typedef int (*t_yamon_getchar)(uint32_t port, char *ch);
    #define YAMON_GETCHAR(ch) \
            ((t_yamon_getchar)(YAMON_FUNC(YAMON_GETCHAR_OFS)))(0, ch)
    
    typedef int t_yamon_syscon_id;
    typedef int (*t_yamon_syscon_read)(t_yamon_syscon_id id, void *param,
                                       uint32_t size);
    #define YAMON_SYSCON_READ(id, param, size)                              \
            ((t_yamon_syscon_read)(YAMON_FUNC(YAMON_SYSCON_READ_OFS)))      \
            (id, param, size)
    
    typedef struct {
            char *name;
            char *value;
    } yamon_env_t;
    
    #define SYSCON_BOARD_CPU_CLOCK_FREQ_ID  34      /* UINT32 */
    #define SYSCON_BOARD_BUS_CLOCK_FREQ_ID  35      /* UINT32 */
    #define SYSCON_BOARD_PCI_FREQ_KHZ_ID    36      /* UINT32 */
    
    char*           yamon_getenv(char *name);
    uint32_t        yamon_getcpufreq(void);
    
    extern yamon_env_t *fenvp[];
    
    #endif /* _MALTA_YAMON_H_ */

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