FreeBSD/Linux Kernel Cross Reference
sys/arm/freescale/imx/imx_machdep.h

     /*-
      * 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.
     *
     * $FreeBSD$
     */
    
    #ifndef IMX_MACHDEP_H
    #define IMX_MACHDEP_H
    
    #include <sys/types.h>
    #include <sys/sysctl.h>
    
    SYSCTL_DECL(_hw_imx);
    
    /* Common functions, implemented in imx_machdep.c. */
    
    void imx_wdog_cpu_reset(vm_offset_t _wdcr_phys)  __attribute__((__noreturn__));
    void imx_wdog_init_last_reset(vm_offset_t _wdsr_phys);
    
    /* From here down, routines are implemented in imxNN_machdep.c. */
    
    /*
     * SoC identity.
     * According to the documentation, there is such a thing as an i.MX6 Dual
     * (non-lite flavor).  However, Freescale doesn't seem to have assigned it a
     * number in their code for determining the SoC type in u-boot.
     *
     * To-do: put silicon revision numbers into the low-order bits somewhere.
     */
    #define IMXSOC_51       0x51000000
    #define IMXSOC_53       0x53000000
    #define IMXSOC_6SL      0x60000000
    #define IMXSOC_6DL      0x61000000
    #define IMXSOC_6S       0x62000000
    #define IMXSOC_6Q       0x63000000
    #define IMXSOC_6UL      0x64000000
    #define IMXSOC_FAMSHIFT 28
    
    u_int imx_soc_type(void);
    
    static inline u_int
    imx_soc_family(void)
    {
            return (imx_soc_type() >> IMXSOC_FAMSHIFT);
    }
    
    #endif
    

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