linux/arch/arm/mach-tegra/reset.h
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   1/*
   2 * arch/arm/mach-tegra/reset.h
   3 *
   4 * CPU reset dispatcher.
   5 *
   6 * Copyright (c) 2011, NVIDIA Corporation.
   7 *
   8 * This software is licensed under the terms of the GNU General Public
   9 * License version 2, as published by the Free Software Foundation, and
  10 * may be copied, distributed, and modified under those terms.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 */
  18
  19#ifndef __MACH_TEGRA_RESET_H
  20#define __MACH_TEGRA_RESET_H
  21
  22#define TEGRA_RESET_MASK_PRESENT        0
  23#define TEGRA_RESET_MASK_LP1            1
  24#define TEGRA_RESET_MASK_LP2            2
  25#define TEGRA_RESET_STARTUP_SECONDARY   3
  26#define TEGRA_RESET_STARTUP_LP2         4
  27#define TEGRA_RESET_STARTUP_LP1         5
  28#define TEGRA_RESET_DATA_SIZE           6
  29
  30#ifndef __ASSEMBLY__
  31
  32#include "irammap.h"
  33
  34extern unsigned long __tegra_cpu_reset_handler_data[TEGRA_RESET_DATA_SIZE];
  35
  36void __tegra_cpu_reset_handler_start(void);
  37void __tegra_cpu_reset_handler(void);
  38void __tegra_cpu_reset_handler_end(void);
  39void tegra_secondary_startup(void);
  40
  41#ifdef CONFIG_PM_SLEEP
  42#define tegra_cpu_lp2_mask \
  43        (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
  44        ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_LP2] - \
  45         (u32)__tegra_cpu_reset_handler_start)))
  46#endif
  47
  48#define tegra_cpu_reset_handler_offset \
  49                ((u32)__tegra_cpu_reset_handler - \
  50                 (u32)__tegra_cpu_reset_handler_start)
  51
  52#define tegra_cpu_reset_handler_size \
  53                (__tegra_cpu_reset_handler_end - \
  54                 __tegra_cpu_reset_handler_start)
  55
  56void __init tegra_cpu_reset_handler_init(void);
  57
  58#endif
  59#endif
  60