1 /* 2 * Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com> 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 17 * MA 02110-1301, USA. 18 */ 19 20 #ifndef _LPC32XX_WDT_H 21 #define _LPC32XX_WDT_H 22 23 #include <asm/types.h> 24 25 /* Watchdog Timer Registers */ 26 struct wdt_regs { 27 u32 isr; /* Interrupt Status Register */ 28 u32 ctrl; /* Control Register */ 29 u32 counter; /* Counter Value Register */ 30 u32 mctrl; /* Match Control Register */ 31 u32 match0; /* Match 0 Register */ 32 u32 emr; /* External Match Control Register */ 33 u32 pulse; /* Reset Pulse Length Register */ 34 u32 res; /* Reset Source Register */ 35 }; 36 37 /* Watchdog Timer Control Register bits */ 38 #define WDTIM_CTRL_PAUSE_EN (1 << 2) 39 #define WDTIM_CTRL_RESET_COUNT (1 << 1) 40 #define WDTIM_CTRL_COUNT_ENAB (1 << 0) 41 42 /* Watchdog Timer Match Control Register bits */ 43 #define WDTIM_MCTRL_RESFRC2 (1 << 6) 44 #define WDTIM_MCTRL_RESFRC1 (1 << 5) 45 #define WDTIM_MCTRL_M_RES2 (1 << 4) 46 #define WDTIM_MCTRL_M_RES1 (1 << 3) 47 #define WDTIM_MCTRL_STOP_COUNT0 (1 << 2) 48 #define WDTIM_MCTRL_RESET_COUNT0 (1 << 1) 49 #define WDTIM_MCTRL_MR0_INT (1 << 0) 50 51 #endif /* _LPC32XX_WDT_H */ 52