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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/blackfin/include/asm/cache.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/blackfin/include/asm/cache.h')
-rw-r--r-- | arch/blackfin/include/asm/cache.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h new file mode 100644 index 00000000..568885a2 --- /dev/null +++ b/arch/blackfin/include/asm/cache.h @@ -0,0 +1,70 @@ +/* + * Copyright 2004-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __ARCH_BLACKFIN_CACHE_H +#define __ARCH_BLACKFIN_CACHE_H + +#include <linux/linkage.h> /* for asmlinkage */ + +/* + * Bytes per L1 cache line + * Blackfin loads 32 bytes for cache + */ +#define L1_CACHE_SHIFT 5 +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) +#define SMP_CACHE_BYTES L1_CACHE_BYTES + +#define ARCH_DMA_MINALIGN L1_CACHE_BYTES + +#ifdef CONFIG_SMP +#define __cacheline_aligned +#else +#define ____cacheline_aligned + +/* + * Put cacheline_aliged data to L1 data memory + */ +#ifdef CONFIG_CACHELINE_ALIGNED_L1 +#define __cacheline_aligned \ + __attribute__((__aligned__(L1_CACHE_BYTES), \ + __section__(".data_l1.cacheline_aligned"))) +#endif + +#endif + +/* + * largest L1 which this arch supports + */ +#define L1_CACHE_SHIFT_MAX 5 + +#if defined(CONFIG_SMP) && \ + !defined(CONFIG_BFIN_CACHE_COHERENT) +# if defined(CONFIG_BFIN_EXTMEM_ICACHEABLE) || defined(CONFIG_BFIN_L2_ICACHEABLE) +# define __ARCH_SYNC_CORE_ICACHE +# endif +# if defined(CONFIG_BFIN_EXTMEM_DCACHEABLE) || defined(CONFIG_BFIN_L2_DCACHEABLE) +# define __ARCH_SYNC_CORE_DCACHE +# endif +#ifndef __ASSEMBLY__ +asmlinkage void __raw_smp_mark_barrier_asm(void); +asmlinkage void __raw_smp_check_barrier_asm(void); + +static inline void smp_mark_barrier(void) +{ + __raw_smp_mark_barrier_asm(); +} +static inline void smp_check_barrier(void) +{ + __raw_smp_check_barrier_asm(); +} + +void resync_core_dcache(void); +void resync_core_icache(void); +#endif +#endif + + +#endif |