Richard Kuo | 2d3cbc7 | 2011-10-31 18:50:51 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Cache definitions for the Hexagon architecture |
| 3 | * |
Richard Kuo | ea0f1b9 | 2014-04-15 15:41:17 -0500 | [diff] [blame] | 4 | * Copyright (c) 2010-2011,2014 The Linux Foundation. All rights reserved. |
Richard Kuo | 2d3cbc7 | 2011-10-31 18:50:51 -0500 | [diff] [blame] | 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 | |
Richard Kuo | ea0f1b9 | 2014-04-15 15:41:17 -0500 | [diff] [blame] | 28 | #define ARCH_DMA_MINALIGN L1_CACHE_BYTES |
| 29 | |
Richard Kuo | 2d3cbc7 | 2011-10-31 18:50:51 -0500 | [diff] [blame] | 30 | #define __cacheline_aligned __aligned(L1_CACHE_BYTES) |
| 31 | #define ____cacheline_aligned __aligned(L1_CACHE_BYTES) |
| 32 | |
Pranith Kumar | 847db92 | 2014-06-09 11:55:24 -0400 | [diff] [blame] | 33 | /* See http://lwn.net/Articles/262554/ */ |
Richard Kuo | 2d3cbc7 | 2011-10-31 18:50:51 -0500 | [diff] [blame] | 34 | #define __read_mostly |
| 35 | |
| 36 | #endif |