arch/arm/mach-tegra/board-dt-tegra30.c

   1 /*
   2  * arch/arm/mach-tegra/board-dt-tegra30.c
   3  *
   4  * NVIDIA Tegra30 device tree board support
   5  *
   6  * Copyright (C) 2011 NVIDIA Corporation
   7  *
   8  * Derived from:
   9  *
  10  * arch/arm/mach-tegra/board-dt-tegra20.c
  11  *
  12  * Copyright (C) 2010 Secret Lab Technologies, Ltd.
  13  * Copyright (C) 2010 Google, Inc.
  14  *
  15  * This software is licensed under the terms of the GNU General Public
  16  * License version 2, as published by the Free Software Foundation, and
  17  * may be copied, distributed, and modified under those terms.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  */
  25
  26 #include <linux/kernel.h>
  27 #include <linux/of.h>
  28 #include <linux/of_address.h>
  29 #include <linux/of_fdt.h>
  30 #include <linux/of_irq.h>
  31 #include <linux/of_platform.h>
  32
  33 #include <asm/mach/arch.h>
  34 #include <asm/hardware/gic.h>
  35
  36 #include "board.h"
  37
  38 static struct of_device_id tegra_dt_match_table[] __initdata = {
  39         { .compatible = "simple-bus", },
  40         {}
  41 };
  42
  43 static void __init tegra30_dt_init(void)
  44 {
  45         of_platform_populate(NULL, tegra_dt_match_table,
  46                                 NULL, NULL);
  47 }
  48
  49 static const char *tegra30_dt_board_compat[] = {
  50         "nvidia,cardhu",
  51         NULL
  52 };
  53
  54 DT_MACHINE_START(TEGRA30_DT, "NVIDIA Tegra30 (Flattened Device Tree)")
  55         .map_io         = tegra_map_common_io,
  56         .init_early     = tegra30_init_early,
  57         .init_irq       = tegra_dt_init_irq,
  58         .handle_irq     = gic_handle_irq,
  59         .timer          = &tegra_timer,
  60         .init_machine   = tegra30_dt_init,
  61         .restart        = tegra_assert_system_reset,
  62         .dt_compat      = tegra30_dt_board_compat,
  63 MACHINE_END