2 * include/asm-arm/arch-at91/at91_st.h
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
7 * System Timer (ST) - System peripherals registers.
8 * Based on AT91RM9200 datasheet revision E.
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.
19 #define AT91_ST_CR (AT91_ST + 0x00) /* Control Register */
20 #define AT91_ST_WDRST (1 << 0) /* Watchdog Timer Restart */
22 #define AT91_ST_PIMR (AT91_ST + 0x04) /* Period Interval Mode Register */
23 #define AT91_ST_PIV (0xffff << 0) /* Period Interval Value */
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 */
30 #define AT91_ST_RTMR (AT91_ST + 0x0c) /* Real-time Mode Register */
31 #define AT91_ST_RTPRES (0xffff << 0) /* Real-time Prescalar Value */
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 */
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 */
43 #define AT91_ST_RTAR (AT91_ST + 0x20) /* Real-time Alarm Register */
44 #define AT91_ST_ALMV (0xfffff << 0) /* Alarm Value */
46 #define AT91_ST_CRTR (AT91_ST + 0x24) /* Current Real-time Register */
47 #define AT91_ST_CRTV (0xfffff << 0) /* Current Real-Time Value */