RTEMS 6.1-rc7
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arm-a9mpcore-clock.h
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1/* SPDX-License-Identifier: BSD-2-Clause */
2
11/*
12 * Copyright (c) 2013 Chris Johns <chrisj@rtems.org>. All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#ifndef LIBBSP_ARM_SHARED_ARM_A9MPCORE_CLOCK_H
37#define LIBBSP_ARM_SHARED_ARM_A9MPCORE_CLOCK_H
38
39#include <rtems/counter.h>
40
41#ifdef __cplusplus
42extern "C" {
43#endif /* __cplusplus */
44
51/*
52 * Return the peripheral clock. For systems such as the zynq this
53 * is controlled by the PL logic generation and can vary. Provide this
54 * function in your application to override the BSP default.
55 */
56uint32_t a9mpcore_clock_periphclk(void);
57
60#ifdef __cplusplus
61}
62#endif /* __cplusplus */
63
64#endif /* LIBBSP_ARM_SHARED_ARM_A9MPCORE_CLOCK_H */
This header file defines the Free-Running Counter and Busy Wait Delay API.