xref: /rk3399_ARM-atf/include/drivers/arm/sp804_delay_timer.h (revision 543128771c59e9f1ee91c245d342e929d5ba7fa1)
1cc58b2d0SRyan Harkin /*
2cc58b2d0SRyan Harkin  * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
3cc58b2d0SRyan Harkin  *
4cc58b2d0SRyan Harkin  * Redistribution and use in source and binary forms, with or without
5cc58b2d0SRyan Harkin  * modification, are permitted provided that the following conditions are met:
6cc58b2d0SRyan Harkin  *
7cc58b2d0SRyan Harkin  * Redistributions of source code must retain the above copyright notice, this
8cc58b2d0SRyan Harkin  * list of conditions and the following disclaimer.
9cc58b2d0SRyan Harkin  *
10cc58b2d0SRyan Harkin  * Redistributions in binary form must reproduce the above copyright notice,
11cc58b2d0SRyan Harkin  * this list of conditions and the following disclaimer in the documentation
12cc58b2d0SRyan Harkin  * and/or other materials provided with the distribution.
13cc58b2d0SRyan Harkin  *
14cc58b2d0SRyan Harkin  * Neither the name of ARM nor the names of its contributors may be used
15cc58b2d0SRyan Harkin  * to endorse or promote products derived from this software without specific
16cc58b2d0SRyan Harkin  * prior written permission.
17cc58b2d0SRyan Harkin  *
18cc58b2d0SRyan Harkin  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19cc58b2d0SRyan Harkin  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20cc58b2d0SRyan Harkin  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21cc58b2d0SRyan Harkin  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22cc58b2d0SRyan Harkin  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23cc58b2d0SRyan Harkin  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24cc58b2d0SRyan Harkin  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25cc58b2d0SRyan Harkin  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26cc58b2d0SRyan Harkin  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27cc58b2d0SRyan Harkin  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28cc58b2d0SRyan Harkin  * POSSIBILITY OF SUCH DAMAGE.
29cc58b2d0SRyan Harkin  */
30cc58b2d0SRyan Harkin 
31cc58b2d0SRyan Harkin #ifndef __SP804_DELAY_TIMER_H__
32cc58b2d0SRyan Harkin #define __SP804_DELAY_TIMER_H__
33cc58b2d0SRyan Harkin 
34cc58b2d0SRyan Harkin #include <delay_timer.h>
35cc58b2d0SRyan Harkin #include <stdint.h>
36cc58b2d0SRyan Harkin 
37cc58b2d0SRyan Harkin 
38cc58b2d0SRyan Harkin uint32_t sp804_get_timer_value(void);
39cc58b2d0SRyan Harkin 
40cc58b2d0SRyan Harkin void sp804_timer_ops_init(uintptr_t base_addr, const timer_ops_t *ops);
41cc58b2d0SRyan Harkin 
42cc58b2d0SRyan Harkin #define sp804_timer_init(base_addr, clk_mult, clk_div)			\
43*54312877SSandrine Bailleux 	do {								\
44*54312877SSandrine Bailleux 		static const timer_ops_t sp804_timer_ops = {		\
45*54312877SSandrine Bailleux 			sp804_get_timer_value,				\
46*54312877SSandrine Bailleux 			(clk_mult),					\
47*54312877SSandrine Bailleux 			(clk_div)					\
48*54312877SSandrine Bailleux 		};							\
49*54312877SSandrine Bailleux 		sp804_timer_ops_init((base_addr), &sp804_timer_ops);	\
50*54312877SSandrine Bailleux 	} while (0)
51cc58b2d0SRyan Harkin 
52cc58b2d0SRyan Harkin #endif /* __SP804_DELAY_TIMER_H__ */
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