arch/arm/mach-tegra/reset.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * arch/arm/mach-tegra/reset.h
   4  *
   5  * CPU reset dispatcher.
   6  *
   7  * Copyright (c) 2011, NVIDIA Corporation.
   8  */
   9
  10 #ifndef __MACH_TEGRA_RESET_H
  11 #define __MACH_TEGRA_RESET_H
  12
  13 #define TEGRA_RESET_MASK_PRESENT        0
  14 #define TEGRA_RESET_MASK_LP1            1
  15 #define TEGRA_RESET_MASK_LP2            2
  16 #define TEGRA_RESET_STARTUP_SECONDARY   3
  17 #define TEGRA_RESET_STARTUP_LP2         4
  18 #define TEGRA_RESET_STARTUP_LP1         5
  19 #define TEGRA_RESET_RESETTABLE_STATUS   6
  20 #define TEGRA_RESET_TF_PRESENT          7
  21 #define TEGRA_RESET_DATA_SIZE           8
  22
  23 #define RESET_DATA(x)   ((TEGRA_RESET_##x)*4)
  24
  25 #ifndef __ASSEMBLY__
  26
  27 #include "irammap.h"
  28
  29 extern unsigned long __tegra_cpu_reset_handler_data[TEGRA_RESET_DATA_SIZE];
  30
  31 void __tegra_cpu_reset_handler_start(void);
  32 void __tegra_cpu_reset_handler(void);
  33 void __tegra20_cpu1_resettable_status_offset(void);
  34 void __tegra_cpu_reset_handler_end(void);
  35
  36 #ifdef CONFIG_PM_SLEEP
  37 #define tegra_cpu_lp1_mask \
  38         (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
  39         ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_LP1] - \
  40          (u32)__tegra_cpu_reset_handler_start)))
  41 #define tegra_cpu_lp2_mask \
  42         (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
  43         ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_LP2] - \
  44          (u32)__tegra_cpu_reset_handler_start)))
  45 #define tegra20_cpu1_resettable_status \
  46         (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
  47         ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_RESETTABLE_STATUS] - \
  48          (u32)__tegra_cpu_reset_handler_start)))
  49 #endif
  50
  51 #define tegra_cpu_reset_handler_offset \
  52                 ((u32)__tegra_cpu_reset_handler - \
  53                  (u32)__tegra_cpu_reset_handler_start)
  54
  55 #define tegra_cpu_reset_handler_size \
  56                 (__tegra_cpu_reset_handler_end - \
  57                  __tegra_cpu_reset_handler_start)
  58
  59 void __init tegra_cpu_reset_handler_init(void);
  60
  61 #endif
  62 #endif