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kernel/linux-imx6_3.14.28/arch/arm/plat-iop/setup.c 950 Bytes
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  /*
   * arch/arm/plat-iop/setup.c
   *
   * Author: Nicolas Pitre <nico@fluxnic.net>
   * Copyright (C) 2001 MontaVista Software, Inc.
   * Copyright (C) 2004 Intel Corporation.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #include <linux/mm.h>
  #include <linux/init.h>
  #include <asm/mach/map.h>
  #include <asm/hardware/iop3xx.h>
  
  /*
   * Standard IO mapping for all IOP3xx based systems.  Note that
   * the IOP3xx OCCDR must be mapped uncached and unbuffered.
   */
  static struct map_desc iop3xx_std_desc[] __initdata = {
  	 {	/* mem mapped registers */
  		.virtual	= IOP3XX_PERIPHERAL_VIRT_BASE,
  		.pfn		= __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE),
  		.length		= IOP3XX_PERIPHERAL_SIZE,
  		.type		= MT_UNCACHED,
  	 },
  };
  
  void __init iop3xx_map_io(void)
  {
  	iotable_init(iop3xx_std_desc, ARRAY_SIZE(iop3xx_std_desc));
  }