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

/*
 * 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__ */