1 /* 2 * Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved. 3 * 4 * Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in 5 * the the People's Republic of China and other countries. 6 * All Allwinner Technology Co.,Ltd. trademarks are used with permission. 7 * 8 * DISCLAIMER 9 * THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT. 10 * IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.) 11 * IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN 12 * ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES. 13 * ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS 14 * COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE. 15 * YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY. 16 * 17 * 18 * THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT 19 * PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND, 20 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING 21 * THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE 22 * OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 23 * IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 * LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 30 * OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef __PLATFORM_WDT_H__ 34 #define __PLATFORM_WDT_H__ 35 36 #include "sunxi_hal_watchdog.h" 37 38 /* Base Address */ 39 #if defined(CONFIG_ARCH_SUN8IW18P1) 40 #define WDT_BASE 0x030090a0 /* @TODO */ 41 #elif defined(CONFIG_ARCH_SUN8IW19) 42 #define WDT_BASE 0x030090a0 /* @TODO */ 43 #elif defined(CONFIG_SOC_SUN20IW1) /* RISC-V */ 44 #define WDT_BASE 0x020500A0 45 #endif 46 47 /* watchdog register offset */ 48 #define WDT_IRQ_EN (WDT_BASE + 0x00) 49 #define WDT_STA (WDT_BASE + 0x04) 50 #define WDT_CTL (WDT_BASE + 0x10) 51 #define WDT_CFG (WDT_BASE + 0x14) 52 #define WDT_MODE (WDT_BASE + 0x18) 53 //#define WDT_OUT_CFG (WDT_BASE + 0x1C) 54 55 //#define WDT_TIMEOUT 16 56 57 #define WDT_CTRL_RESTART (0x1 << 0) 58 #define WDT_CTRL_KEY (0x0a57 << 1) 59 60 #define WDT_CFG_RESET (0x1) 61 #define WDT_MODE_EN (0x1) 62 #define KEY_FIELD_MAGIC (0x16AA0000) 63 64 struct hal_sunxi_wdt { 65 volatile u32 irq_en; //0x00 66 volatile u32 sta; //0x04 67 volatile u32 rsl[2]; 68 volatile u32 ctl; //0x10 69 volatile u32 cfg; //0x14 70 volatile u32 mode; //0x18 71 }; 72 73 #endif /* __PLATFORM_WDT_H__ */ 74