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1 /*
2  * Copyright (C)  2018 Marvell International Ltd.
3  *
4  * SPDX-License-Identifier:     BSD-3-Clause
5  * https://spdx.org/licenses
6  */
7 
8 #ifndef MVEBU_H
9 #define MVEBU_H
10 
11 /* Use this functions only when printf is allowed */
12 #define debug_enter()	VERBOSE("----> Enter %s\n", __func__)
13 #define debug_exit()	VERBOSE("<---- Exit  %s\n", __func__)
14 
15 /* Macro for testing alignment. Positive if number is NOT aligned */
16 #define IS_NOT_ALIGN(number, align)	((number) & ((align) - 1))
17 
18 /* Macro for alignment up. For example, ALIGN_UP(0x0330, 0x20) = 0x0340 */
19 #define ALIGN_UP(number, align) (((number) & ((align) - 1)) ? \
20 		(((number) + (align)) & ~((align)-1)) : (number))
21 
22 /* Macro for testing whether a number is a power of 2. Positive if so */
23 #define IS_POWER_OF_2(number)	((number) != 0 && \
24 				(((number) & ((number) - 1)) == 0))
25 
26 /*
27  * Macro for ronding up to next power of 2
28  * it is done by count leading 0 (clz assembly opcode) and see msb set bit.
29  * then you can shift it left and get number which power of 2
30  * Note: this Macro is for 32 bit number
31  */
32 #define ROUND_UP_TO_POW_OF_2(number)	(1 << \
33 					(32 - __builtin_clz((number) - 1)))
34 
35 #define _1MB_				(1024ULL * 1024ULL)
36 #define _1GB_				(_1MB_ * 1024ULL)
37 #define _2GB_				(2 * _1GB_)
38 
39 #endif /* MVEBU_H */
40