| /* |
| * 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 */ |