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author | Michal Simek <monstr@monstr.eu> | 2009-03-27 13:25:16 (GMT) |
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committer | Michal Simek <monstr@monstr.eu> | 2009-03-27 13:25:16 (GMT) |
commit | 8beb8503bfa305cd7d9efa590517a9c01e2f97b4 (patch) | |
tree | 910b5b96454482b4ad8540c528456a0a53291c0b /arch/microblaze/include/asm/cache.h | |
parent | 37069abf2973f51aa12aa9dcb86c7403c9828161 (diff) | |
download | linux-fsl-qoriq-8beb8503bfa305cd7d9efa590517a9c01e2f97b4.tar.xz |
microblaze_v8: cache support
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: John Linn <john.linn@xilinx.com>
Acked-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/include/asm/cache.h')
-rw-r--r-- | arch/microblaze/include/asm/cache.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h new file mode 100644 index 0000000..c4c64b4 --- /dev/null +++ b/arch/microblaze/include/asm/cache.h @@ -0,0 +1,45 @@ +/* + * Cache operations + * + * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2007-2009 PetaLogix + * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au> + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file COPYING in the main directory of this + * archive for more details. + */ + +#ifndef _ASM_MICROBLAZE_CACHE_H +#define _ASM_MICROBLAZE_CACHE_H + +#include <asm/registers.h> + +#define L1_CACHE_SHIFT 2 +/* word-granular cache in microblaze */ +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#define SMP_CACHE_BYTES L1_CACHE_BYTES + +void _enable_icache(void); +void _disable_icache(void); +void _invalidate_icache(unsigned int addr); + +#define __enable_icache() _enable_icache() +#define __disable_icache() _disable_icache() +#define __invalidate_icache(addr) _invalidate_icache(addr) + +void _enable_dcache(void); +void _disable_dcache(void); +void _invalidate_dcache(unsigned int addr); + +#define __enable_dcache() _enable_dcache() +#define __disable_dcache() _disable_dcache() +#define __invalidate_dcache(addr) _invalidate_dcache(addr) + +/* FIXME - I don't think this is right */ +#ifdef CONFIG_XILINX_UNCACHED_SHADOW +#define UNCACHED_SHADOW_MASK (CONFIG_XILINX_ERAM_SIZE) +#endif + +#endif /* _ASM_MICROBLAZE_CACHE_H */ |