1/*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 *    conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 *    of conditions and the following disclaimer in the documentation and/or other materials
13 *    provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 *    to endorse or promote products derived from this software without specific prior written
17 *    permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _HAL_WATCHDOG_H
33#define _HAL_WATCHDOG_H
34
35#include "los_compiler.h"
36
37#ifdef __cplusplus
38#if __cplusplus
39extern "C" {
40#endif /* __cplusplus */
41#endif /* __cplusplus */
42
43#define WDT_WRITE_MASK                 0x50d83aa1
44#define RTC_CNTL                       0x3ff48000
45#define RTC_WDT_PROTECT                0x3ff480a4
46#define RTC_WDT_CFG0                   0x3ff4808c
47#define RTC_WDT_FEED                   0x3ff480a0
48#define TIMER_GROUP0                   0x3ff5F000
49#define WDT_TIMER_GROUP0_CNTL          0x3ff5F048
50#define TIMER_GROUP1                   0x3ff60000
51#define WDT_TIMER_GROUP1_CNTL          0x3ff60048
52#define RTC_CNTL_WDT_FEED              (31)
53#define RTC_CNTL_WDT_EN                (31)
54#define RTC_CNTL_WDT_STG0              (28)
55#define RTC_CNTL_WDT_FLASHBOOT_MOD_EN  (10)
56#define RTC_CNTL_WDT_INT               (1)
57#define RTC_CNTL_WDT_CPU_RESET         (2)
58#define RTC_CNTL_WDT_SYS_RESET         (3)
59#define RTC_CNTL_WDT_RTC_RESET         (4)
60#define RTC_CNTL_WDT_SYS_RESET_MASK    (7)
61#define RTC_CNTL_WDT_SYS_RESET_LENGTH  (11)
62
63#define REG32_READ(reg)                (*(volatile UINT32*) (reg))
64#define REG32_WRITE(reg, value)        (*(volatile UINT32*) (reg) &= value)
65
66VOID WdtEnable(VOID);
67VOID WdtDisable(VOID);
68VOID WdtFeed(VOID);
69
70#ifdef __cplusplus
71#if __cplusplus
72}
73#endif /* __cplusplus */
74#endif /* __cplusplus */
75
76#endif /* _HAL_WATCHDOG_H */
77