diff options
Diffstat (limited to 'include/plat/marvell/armada/common/mvebu.h')
-rw-r--r-- | include/plat/marvell/armada/common/mvebu.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/plat/marvell/armada/common/mvebu.h b/include/plat/marvell/armada/common/mvebu.h new file mode 100644 index 0000000..35a0200 --- /dev/null +++ b/include/plat/marvell/armada/common/mvebu.h @@ -0,0 +1,39 @@ +/* + * 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 */ |