/* * Copyright (C) 2018 Marvell International Ltd. * * SPDX-License-Identifier: BSD-3-Clause * https://spdx.org/licenses */ #ifndef _MVEBU_H_ #define _MVEBU_H_ /* Use this functions only when printf is allowed */ #define debug_enter() VERBOSE("----> Enter %s\n", __func__) #define debug_exit() VERBOSE("<---- Exit %s\n", __func__) /* Macro for testing alignment. Positive if number is NOT aligned */ #define IS_NOT_ALIGN(number, align) ((number) & ((align) - 1)) /* Macro for alignment up. For example, ALIGN_UP(0x0330, 0x20) = 0x0340 */ #define ALIGN_UP(number, align) (((number) & ((align) - 1)) ? \ (((number) + (align)) & ~((align)-1)) : (number)) /* Macro for testing whether a number is a power of 2. Positive if so */ #define IS_POWER_OF_2(number) ((number) != 0 && \ (((number) & ((number) - 1)) == 0)) /* * Macro for ronding up to next power of 2 * it is done by count leading 0 (clz assembly opcode) and see msb set bit. * then you can shift it left and get number which power of 2 * Note: this Macro is for 32 bit number */ #define ROUND_UP_TO_POW_OF_2(number) (1 << \ (32 - __builtin_clz((number) - 1))) #define _1MB_ (1024ULL * 1024ULL) #define _1GB_ (_1MB_ * 1024ULL) #define _2GB_ (2 * _1GB_) #endif /* MVEBU_H */