1 /* 2 * arch/arm/mach-at91/include/mach/at91_st.h 3 * 4 * Copyright (C) 2005 Ivan Kokshaysky 5 * Copyright (C) SAN People 6 * 7 * System Timer (ST) - System peripherals registers. 8 * Based on AT91RM9200 datasheet revision E. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 */ 15 16 #ifndef AT91_ST_H 17 #define AT91_ST_H 18 19 #define AT91_ST_CR (AT91_ST + 0x00) /* Control Register */ 20 #define AT91_ST_WDRST (1 << 0) /* Watchdog Timer Restart */ 21 22 #define AT91_ST_PIMR (AT91_ST + 0x04) /* Period Interval Mode Register */ 23 #define AT91_ST_PIV (0xffff << 0) /* Period Interval Value */ 24 25 #define AT91_ST_WDMR (AT91_ST + 0x08) /* Watchdog Mode Register */ 26 #define AT91_ST_WDV (0xffff << 0) /* Watchdog Counter Value */ 27 #define AT91_ST_RSTEN (1 << 16) /* Reset Enable */ 28 #define AT91_ST_EXTEN (1 << 17) /* External Signal Assertion Enable */ 29 30 #define AT91_ST_RTMR (AT91_ST + 0x0c) /* Real-time Mode Register */ 31 #define AT91_ST_RTPRES (0xffff << 0) /* Real-time Prescalar Value */ 32 33 #define AT91_ST_SR (AT91_ST + 0x10) /* Status Register */ 34 #define AT91_ST_PITS (1 << 0) /* Period Interval Timer Status */ 35 #define AT91_ST_WDOVF (1 << 1) /* Watchdog Overflow */ 36 #define AT91_ST_RTTINC (1 << 2) /* Real-time Timer Increment */ 37 #define AT91_ST_ALMS (1 << 3) /* Alarm Status */ 38 39 #define AT91_ST_IER (AT91_ST + 0x14) /* Interrupt Enable Register */ 40 #define AT91_ST_IDR (AT91_ST + 0x18) /* Interrupt Disable Register */ 41 #define AT91_ST_IMR (AT91_ST + 0x1c) /* Interrupt Mask Register */ 42 43 #define AT91_ST_RTAR (AT91_ST + 0x20) /* Real-time Alarm Register */ 44 #define AT91_ST_ALMV (0xfffff << 0) /* Alarm Value */ 45 46 #define AT91_ST_CRTR (AT91_ST + 0x24) /* Current Real-time Register */ 47 #define AT91_ST_CRTV (0xfffff << 0) /* Current Real-Time Value */ 48 49 #endif 50