1 /* 2 * Cache definitions for the Hexagon architecture 3 * 4 * Copyright (c) 2010-2011,2014 The Linux Foundation. All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 and 8 * only version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301, USA. 19 */ 20 21 #ifndef __ASM_CACHE_H 22 #define __ASM_CACHE_H 23 24 /* Bytes per L1 cache line */ 25 #define L1_CACHE_SHIFT (5) 26 #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) 27 28 #define ARCH_DMA_MINALIGN L1_CACHE_BYTES 29 30 #define __cacheline_aligned __aligned(L1_CACHE_BYTES) 31 #define ____cacheline_aligned __aligned(L1_CACHE_BYTES) 32 33 /* See http://lwn.net/Articles/262554/ */ 34 #define __read_mostly 35 36 #endif 37