1/*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 *    conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 *    of conditions and the following disclaimer in the documentation and/or other materials
13 *    provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 *    to endorse or promote products derived from this software without specific prior written
17 *    permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _LOS_ARCH_TIMER_H
33#define _LOS_ARCH_TIMER_H
34
35#include "los_config.h"
36#include "los_compiler.h"
37#include "los_timer.h"
38
39#ifdef __cplusplus
40#if __cplusplus
41extern "C" {
42#endif /* __cplusplus */
43#endif /* __cplusplus */
44
45VOID SysTick_Handler(VOID);
46
47#define TIM0_GROUP0             0x3FF5F000
48#define TIM0_GROUP1             0x3FF60000
49#define TIM1_GROUP0             0x3FF5F024
50#define TIM1_GROUP1             0x3FF60024
51
52#define TIM0_INT_ENABLE_GROUP0  0x3FF5F098
53#define TIM0_INT_ENABLE_GROUP1  0x3FF60098
54#define TIM0_INT_CLEAR_GROUP0   0x3FF5F0A4
55#define TIM0_INT_CLEAR_GROUP1   0x3FF600A4
56
57typedef struct {
58    UINT32 CTRL;
59    UINT64 VAL;
60    UINT32 UPDATE;
61    UINT64 ALARM;
62    UINT64 LOAD;
63    UINT32 LOAD_TRI;
64} Systick_t;
65
66STATIC INLINE UINT32 GetCcount(VOID)
67{
68    UINT32 intSave;
69    __asm__ __volatile__("rsr %0, ccount" : "=a"(intSave) :);
70    return intSave;
71}
72
73STATIC INLINE VOID ResetCcount(VOID)
74{
75    __asm__ __volatile__("wsr %0, ccount; rsync" : :"a"(0));
76}
77
78STATIC INLINE UINT32 GetCcompare(VOID)
79{
80    UINT32 intSave;
81    __asm__ __volatile__("rsr %0, ccompare0" : "=a"(intSave) :);
82    return intSave;
83}
84
85STATIC INLINE VOID SetCcompare(UINT32 newCompareVal)
86{
87    __asm__ __volatile__("wsr %0, ccompare0; rsync" : : "a"(newCompareVal));
88}
89
90#ifdef __cplusplus
91#if __cplusplus
92}
93#endif /* __cplusplus */
94#endif /* __cplusplus */
95
96#endif /* _LOS_ARCH_TIMER_H */
97