| 1 |
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| 2 | |
| 3 | *
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| 4 | * include/asm-sh/cache.h
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| 5 | *
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| 6 | * Copyright 1999 (C) Niibe Yutaka
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| 7 | * Copyright 2002, 2003 (C) Paul Mundt
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| 8 |
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| 9 | #ifndef __ASM_SH_CACHE_H
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| 10 | #define __ASM_SH_CACHE_H
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| 11 |
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| 12 | #include <linux/init.h>
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| 13 | #include <cpu/cache.h>
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| 14 |
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| 15 | #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
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| 16 |
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| 17 | |
| 18 | * Some drivers need to perform DMA into kmalloc'ed buffers
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| 19 | * and so we have to increase the kmalloc minalign for this.
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| 20 |
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| 21 | #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
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| 22 |
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| 23 | #define __read_mostly __section(".data..read_mostly")
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| 24 |
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| 25 | #ifndef __ASSEMBLER__
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| 26 | struct cache_info {
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| 27 | unsigned int ways;
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| 28 | unsigned int sets;
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| 29 | unsigned int linesz;
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| 30 |
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| 31 | unsigned int way_size;
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| 32 |
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| 33 | |
| 34 | * way_incr is the address offset for accessing the next way
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| 35 | * in memory mapped cache array ops.
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| 36 |
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| 37 | unsigned int way_incr;
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| 38 | unsigned int entry_shift;
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| 39 | unsigned int entry_mask;
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| 40 |
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| 41 | |
| 42 | * Compute a mask which selects the address bits which overlap between
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| 43 | * 1. those used to select the cache set during indexing
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| 44 | * 2. those in the physical page number.
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| 45 |
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| 46 | unsigned int alias_mask;
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| 47 | unsigned int n_aliases;
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| 48 |
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| 49 | unsigned long flags;
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| 50 | };
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| 51 | #endif
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| 52 | #endif
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