FreeBSD/Linux Kernel Cross Reference
sys/arm/versatile/versatile_machdep.c

     /*-
      * Copyright (c) 2012 Oleksandr Tymoshenko.
      * All rights reserved.
      *
      * This code is derived from software written for Brini by Mark Brinicombe
      *
      * 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 by Brini.
     * 4. The name of the company nor the name of the author may be used to
     *    endorse or promote products derived from this software without specific
     *    prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI OR CONTRIBUTORS 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.
     *
     */
    
    #include "opt_ddb.h"
    #include "opt_platform.h"
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/11.1/sys/arm/versatile/versatile_machdep.c 314506 2017-03-01 19:55:04Z ian $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/devmap.h>
    
    #include <vm/vm.h>
    #include <vm/pmap.h>
    
    #include <machine/bus.h>
    #include <machine/machdep.h>
    #include <machine/platform.h> 
    
    #include <dev/fdt/fdt_common.h>
    
    /* Start of address space used for bootstrap map */
    #define DEVMAP_BOOTSTRAP_MAP_START      0xE0000000
    
    vm_offset_t
    platform_lastaddr(void)
    {
    
            return (DEVMAP_BOOTSTRAP_MAP_START);
    }
    
    void
    platform_probe_and_attach(void)
    {
    
    }
    
    void
    platform_gpio_init(void)
    {
    }
    
    void
    platform_late_init(void)
    {
    }
    
    #define FDT_DEVMAP_MAX  (2)             /* FIXME */
    static struct devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
            { 0, 0, 0, },
            { 0, 0, 0, }
    };
    
    
    /*
     * Construct devmap table with DT-derived config data.
     */
    int
    platform_devmap_init(void)
    {
            int i = 0;
            fdt_devmap[i].pd_va = 0xf0100000;
            fdt_devmap[i].pd_pa = 0x10100000;
            fdt_devmap[i].pd_size = 0x01000000;       /* 1 MB */
    
           devmap_register_table(&fdt_devmap[0]);
           return (0);
   }
   
   void
   cpu_reset(void)
   {
           printf("cpu_reset\n");
           while (1);
   }
   

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