blob: 9c479c7925b85fc3e72032bdd9385a51160dc0e0 [file] [log] [blame]
rjw1f884582022-01-06 17:20:42 +08001/*
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 __tegra20_cpu1_resettable_status_offset(void);
39void __tegra_cpu_reset_handler_end(void);
40
41#ifdef CONFIG_PM_SLEEP
42#define tegra_cpu_lp1_mask \
43 (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
44 ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_LP1] - \
45 (u32)__tegra_cpu_reset_handler_start)))
46#define tegra_cpu_lp2_mask \
47 (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
48 ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_LP2] - \
49 (u32)__tegra_cpu_reset_handler_start)))
50#define tegra20_cpu1_resettable_status \
51 (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
52 (u32)__tegra20_cpu1_resettable_status_offset))
53#endif
54
55#define tegra_cpu_reset_handler_offset \
56 ((u32)__tegra_cpu_reset_handler - \
57 (u32)__tegra_cpu_reset_handler_start)
58
59#define tegra_cpu_reset_handler_size \
60 (__tegra_cpu_reset_handler_end - \
61 __tegra_cpu_reset_handler_start)
62
63void __init tegra_cpu_reset_handler_init(void);
64
65#endif
66#endif