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 39 extern "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 66 VOID WdtEnable(VOID); 67 VOID WdtDisable(VOID); 68 VOID WdtFeed(VOID); 69 70 #ifdef __cplusplus 71 #if __cplusplus 72 } 73 #endif /* __cplusplus */ 74 #endif /* __cplusplus */ 75 76 #endif /* _HAL_WATCHDOG_H */ 77