FreeBSD/Linux Kernel Cross Reference
sys/arm/include/fdt.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2010 The FreeBSD Foundation
      * All rights reserved.
      *
      * This software was developed by Semihalf under sponsorship from
      * the FreeBSD Foundation.
      *
     * 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: releng/12.0/sys/arm/include/fdt.h 326258 2017-11-27 15:04:10Z pfg $
     */
    
    #ifndef _MACHINE_FDT_H_
    #define _MACHINE_FDT_H_
    
    #include <machine/bus.h>
    
    #ifndef INTRNG
    
    /* Max interrupt number */
    #define FDT_INTR_MAX    NIRQ
    
    /* Map phandle/intpin pair to global IRQ number */
    #define FDT_MAP_IRQ(node, pin)  (pin)
    
    #endif
    
    /*
     * Bus space tag. XXX endianess info needs to be derived from the blob.
     */
    extern bus_space_tag_t fdtbus_bs_tag;
    
    #endif /* _MACHINE_FDT_H_ */

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