rt-thread-official/bsp/dm365/platform/dm365_timer.h

62 lines
1.5 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2010-11-13 weety first version
*/
#ifndef __ASM_ARCH_TIME_H
#define __ASM_ARCH_TIME_H
/* Timer register offsets */
#define PID12 0x0
#define TIM12 0x10
#define TIM34 0x14
#define PRD12 0x18
#define PRD34 0x1c
#define TCR 0x20
#define TGCR 0x24
#define WDTCR 0x28
#define CMP12(n) (0x60 + ((n) << 2))
/* Timer register bitfields */
#define ENAMODE12_SHIFT 6
#define ENAMODE34_SHIFT 22
#define TCR_ENAMODE_DISABLE 0x0
#define TCR_ENAMODE_ONESHOT 0x1
#define TCR_ENAMODE_PERIODIC 0x2
#define TCR_ENAMODE_MASK 0x3
#define TGCR_TIMMODE_SHIFT 2
#define TGCR_TIMMODE_64BIT_GP 0x0
#define TGCR_TIMMODE_32BIT_UNCHAINED 0x1
#define TGCR_TIMMODE_64BIT_WDOG 0x2
#define TGCR_TIMMODE_32BIT_CHAINED 0x3
#define TGCR_TIM12RS_SHIFT 0
#define TGCR_TIM34RS_SHIFT 1
#define TGCR_RESET 0x0
#define TGCR_UNRESET 0x1
#define TGCR_RESET_MASK 0x3
#define WDTCR_WDEN_SHIFT 14
#define WDTCR_WDEN_DISABLE 0x0
#define WDTCR_WDEN_ENABLE 0x1
#define WDTCR_WDKEY_SHIFT 16
#define WDTCR_WDKEY_SEQ0 0xA5C6
#define WDTCR_WDKEY_SEQ1 0xDA7E
enum {
T0_BOT,
T0_TOP,
T1_BOT,
T1_TOP,
NUM_TIMERS
};
#endif /* __ASM_ARCH_TIME_H__ */