2 * arch/arm/mach-tegra/reset.h
4 * CPU reset dispatcher.
6 * Copyright (c) 2011, NVIDIA Corporation.
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.
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.
19 #ifndef __MACH_TEGRA_RESET_H
20 #define __MACH_TEGRA_RESET_H
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
34 extern unsigned long __tegra_cpu_reset_handler_data[TEGRA_RESET_DATA_SIZE];
36 void __tegra_cpu_reset_handler_start(void);
37 void __tegra_cpu_reset_handler(void);
38 void __tegra20_cpu1_resettable_status_offset(void);
39 void __tegra_cpu_reset_handler_end(void);
40 void tegra_secondary_startup(void);
42 #ifdef CONFIG_PM_SLEEP
43 #define tegra_cpu_lp1_mask \
44 (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
45 ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_LP1] - \
46 (u32)__tegra_cpu_reset_handler_start)))
47 #define tegra_cpu_lp2_mask \
48 (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
49 ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_LP2] - \
50 (u32)__tegra_cpu_reset_handler_start)))
51 #define tegra20_cpu1_resettable_status \
52 (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
53 (u32)__tegra20_cpu1_resettable_status_offset))
56 #define tegra_cpu_reset_handler_offset \
57 ((u32)__tegra_cpu_reset_handler - \
58 (u32)__tegra_cpu_reset_handler_start)
60 #define tegra_cpu_reset_handler_size \
61 (__tegra_cpu_reset_handler_end - \
62 __tegra_cpu_reset_handler_start)
64 void __init tegra_cpu_reset_handler_init(void);