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kernel/linux-imx6_3.14.28/arch/arm/mach-tegra/io.c 1.5 KB
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  /*
   * arch/arm/mach-tegra/io.c
   *
   * Copyright (C) 2010 Google, Inc.
   *
   * Author:
   *	Colin Cross <ccross@google.com>
   *	Erik Gilling <konkers@google.com>
   *
   * This software is licensed under the terms of the GNU General Public
   * License version 2, as published by the Free Software Foundation, and
   * may be copied, distributed, and modified under those terms.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   */
  
  #include <linux/kernel.h>
  #include <linux/module.h>
  #include <linux/init.h>
  #include <linux/mm.h>
  #include <linux/io.h>
  
  #include <asm/page.h>
  #include <asm/mach/map.h>
  
  #include "board.h"
  #include "iomap.h"
  
  static struct map_desc tegra_io_desc[] __initdata = {
  	{
  		.virtual = (unsigned long)IO_PPSB_VIRT,
  		.pfn = __phys_to_pfn(IO_PPSB_PHYS),
  		.length = IO_PPSB_SIZE,
  		.type = MT_DEVICE,
  	},
  	{
  		.virtual = (unsigned long)IO_APB_VIRT,
  		.pfn = __phys_to_pfn(IO_APB_PHYS),
  		.length = IO_APB_SIZE,
  		.type = MT_DEVICE,
  	},
  	{
  		.virtual = (unsigned long)IO_CPU_VIRT,
  		.pfn = __phys_to_pfn(IO_CPU_PHYS),
  		.length = IO_CPU_SIZE,
  		.type = MT_DEVICE,
  	},
  	{
  		.virtual = (unsigned long)IO_IRAM_VIRT,
  		.pfn = __phys_to_pfn(IO_IRAM_PHYS),
  		.length = IO_IRAM_SIZE,
  		.type = MT_DEVICE,
  	},
  };
  
  void __init tegra_map_common_io(void)
  {
  	debug_ll_io_init();
  	iotable_init(tegra_io_desc, ARRAY_SIZE(tegra_io_desc));
  }