31 lines
886 B
C
31 lines
886 B
C
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/*
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* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef DELAY_TIMER_H
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#define DELAY_TIMER_H
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#include <stdint.h>
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/********************************************************************
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* A simple timer driver providing synchronous delay functionality.
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* The driver must be initialized with a structure that provides a
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* function pointer to return the timer value and a clock
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* multiplier/divider. The ratio of the multiplier and the divider is
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* the clock period in microseconds.
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********************************************************************/
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typedef struct timer_ops {
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uint32_t (*get_timer_value)(void);
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uint32_t clk_mult;
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uint32_t clk_div;
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} timer_ops_t;
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void mdelay(uint32_t msec);
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void udelay(uint32_t usec);
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void timer_init(const timer_ops_t *ops_ptr);
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#endif /* DELAY_TIMER_H */
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