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46 lines
1.1 KiB
46 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* $Id: cache.h,v 1.6 2004/03/11 18:08:05 lethal Exp $ |
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* |
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* include/asm-sh/cache.h |
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* |
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* Copyright 1999 (C) Niibe Yutaka |
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* Copyright 2002, 2003 (C) Paul Mundt |
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*/ |
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#ifndef __ASM_SH_CACHE_H |
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#define __ASM_SH_CACHE_H |
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#include <linux/init.h> |
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#include <cpu/cache.h> |
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#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) |
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#define __read_mostly __section(".data..read_mostly") |
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#ifndef __ASSEMBLY__ |
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struct cache_info { |
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unsigned int ways; /* Number of cache ways */ |
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unsigned int sets; /* Number of cache sets */ |
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unsigned int linesz; /* Cache line size (bytes) */ |
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unsigned int way_size; /* sets * line size */ |
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/* |
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* way_incr is the address offset for accessing the next way |
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* in memory mapped cache array ops. |
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*/ |
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unsigned int way_incr; |
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unsigned int entry_shift; |
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unsigned int entry_mask; |
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/* |
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* Compute a mask which selects the address bits which overlap between |
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* 1. those used to select the cache set during indexing |
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* 2. those in the physical page number. |
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*/ |
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unsigned int alias_mask; |
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unsigned int n_aliases; /* Number of aliases */ |
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unsigned long flags; |
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}; |
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#endif /* __ASSEMBLY__ */ |
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#endif /* __ASM_SH_CACHE_H */
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