blob: 69952c18420708f4f5328021c7988aa1f285ed64 [file] [log] [blame]
Richard Kuo2d3cbc72011-10-31 18:50:51 -05001/*
2 * Cache definitions for the Hexagon architecture
3 *
Richard Kuoea0f1b92014-04-15 15:41:17 -05004 * Copyright (c) 2010-2011,2014 The Linux Foundation. All rights reserved.
Richard Kuo2d3cbc72011-10-31 18:50:51 -05005 *
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
Richard Kuoea0f1b92014-04-15 15:41:17 -050028#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
29
Richard Kuo2d3cbc72011-10-31 18:50:51 -050030#define __cacheline_aligned __aligned(L1_CACHE_BYTES)
31#define ____cacheline_aligned __aligned(L1_CACHE_BYTES)
32
Pranith Kumar847db922014-06-09 11:55:24 -040033/* See http://lwn.net/Articles/262554/ */
Richard Kuo2d3cbc72011-10-31 18:50:51 -050034#define __read_mostly
35
36#endif