xref: /rk3399_ARM-atf/include/drivers/arm/sp804_delay_timer.h (revision 3105f7ba9a3a9f6f0e78761e8bdd4da621254730)
1 /*
2  * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *
7  * Redistributions of source code must retain the above copyright notice, this
8  * list of conditions and the following disclaimer.
9  *
10  * Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  *
14  * Neither the name of ARM nor the names of its contributors may be used
15  * to endorse or promote products derived from this software without specific
16  * prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef __SP804_DELAY_TIMER_H__
32 #define __SP804_DELAY_TIMER_H__
33 
34 #include <delay_timer.h>
35 #include <stdint.h>
36 
37 
38 uint32_t sp804_get_timer_value(void);
39 
40 void sp804_timer_ops_init(uintptr_t base_addr, const timer_ops_t *ops);
41 
42 #define sp804_timer_init(base_addr, clk_mult, clk_div)			\
43 	do {								\
44 		static const timer_ops_t sp804_timer_ops = {		\
45 			sp804_get_timer_value,				\
46 			(clk_mult),					\
47 			(clk_div)					\
48 		};							\
49 		sp804_timer_ops_init((base_addr), &sp804_timer_ops);	\
50 	} while (0)
51 
52 #endif /* __SP804_DELAY_TIMER_H__ */
53