FreeBSD/Linux Kernel Cross Reference
sys/arm/freescale/imx/imx53_machdep.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2013 Ian Lepore <ian@freebsd.org>
      * All rights reserved.
      *
      * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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_platform.h"
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/reboot.h>
    #include <sys/devmap.h>
    
    #include <vm/vm.h>
    
    #include <machine/bus.h>
    #include <machine/machdep.h>
    #include <machine/platformvar.h> 
    
    #include <arm/freescale/imx/imx_machdep.h>
    
    #include "platform_if.h"
    
    static platform_attach_t imx53_attach;
    static platform_devmap_init_t imx53_devmap_init;
    static platform_cpu_reset_t imx53_cpu_reset;
    
    static int
    imx53_attach(platform_t plat)
    {
    
            return (0);
    }
    
    /*
     * Set up static device mappings.  This is hand-optimized platform-specific
     * config data which covers most of the common on-chip devices with a few 1MB
     * section mappings.
     *
     * Notably missing are entries for GPU, IPU, in general anything video related.
     */
    static int
    imx53_devmap_init(platform_t plat)
    {
    
            devmap_add_entry(0x50000000, 0x00100000);
            devmap_add_entry(0x53f00000, 0x00100000);
            devmap_add_entry(0x63f00000, 0x00100000);
    
            return (0);
    }
    
    static void
    imx53_cpu_reset(platform_t plat)
    {
    
            imx_wdog_cpu_reset(0x53F98000);
    }
    
    u_int
    imx_soc_type(void)
    {
            return (IMXSOC_53);
    }
    
    static platform_method_t imx53_methods[] = {
            PLATFORMMETHOD(platform_attach,         imx53_attach),
            PLATFORMMETHOD(platform_devmap_init,    imx53_devmap_init),
            PLATFORMMETHOD(platform_cpu_reset,      imx53_cpu_reset),
    
            PLATFORMMETHOD_END,
    };
    
   FDT_PLATFORM_DEF(imx53, "i.MX53", 0, "fsl,imx53", 100);

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