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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
commit00e9028a95fb8a4d79f2fb695a853f33ea7d3b57 (patch)
tree2dea2ae498a6ce57de8890e87185aca5e9f3ad2d /arch/sh/include/asm/cache.h
parent57b1494d2ba544c62673234da6115c21fac27ffc (diff)
parent7cb93181629c613ee2b8f4ffe3446f8003074842 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits) mm/hugetlb.c must #include <asm/io.h> video: Fix up hp6xx driver build regressions. sh: defconfig updates. sh: Kill off stray mach-rsk7203 reference. serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression. sh: Move out individual boards without mach groups. sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. sh: Allow SH-3 and SH-5 to use common headers. sh: Provide common CPU headers, prune the SH-2 and SH-2A directories. sh/maple: clean maple bus code sh: More header path fixups for mach dir refactoring. sh: Move out the solution engine headers to arch/sh/include/mach-se/ sh: I2C fix for AP325RXA and Migo-R sh: Shuffle the board directories in to mach groups. sh: dma-sh: Fix up dreamcast dma.h mach path. sh: Switch KBUILD_DEFCONFIG to shx3_defconfig. sh: Add ARCH_DEFCONFIG entries for sh and sh64. sh: Fix compile error of Solution Engine sh: Proper __put_user_asm() size mismatch fix. sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation. ...
Diffstat (limited to 'arch/sh/include/asm/cache.h')
-rw-r--r--arch/sh/include/asm/cache.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h
new file mode 100644
index 00000000000..02df18ea960
--- /dev/null
+++ b/arch/sh/include/asm/cache.h
@@ -0,0 +1,51 @@
+/* $Id: cache.h,v 1.6 2004/03/11 18:08:05 lethal Exp $
+ *
+ * include/asm-sh/cache.h
+ *
+ * Copyright 1999 (C) Niibe Yutaka
+ * Copyright 2002, 2003 (C) Paul Mundt
+ */
+#ifndef __ASM_SH_CACHE_H
+#define __ASM_SH_CACHE_H
+#ifdef __KERNEL__
+
+#include <linux/init.h>
+#include <cpu/cache.h>
+
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+
+#ifndef __ASSEMBLY__
+struct cache_info {
+ unsigned int ways; /* Number of cache ways */
+ unsigned int sets; /* Number of cache sets */
+ unsigned int linesz; /* Cache line size (bytes) */
+
+ unsigned int way_size; /* sets * line size */
+
+ /*
+ * way_incr is the address offset for accessing the next way
+ * in memory mapped cache array ops.
+ */
+ unsigned int way_incr;
+ unsigned int entry_shift;
+ unsigned int entry_mask;
+
+ /*
+ * Compute a mask which selects the address bits which overlap between
+ * 1. those used to select the cache set during indexing
+ * 2. those in the physical page number.
+ */
+ unsigned int alias_mask;
+
+ unsigned int n_aliases; /* Number of aliases */
+
+ unsigned long flags;
+};
+
+int __init detect_cpu_and_cache_system(void);
+
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_CACHE_H */