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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-03 11:52:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-03 11:52:33 +0100
commit56f68556d7bbb51dd158c74deb09c783345bfbbd (patch)
tree536e6e3c7063b1eee927194dda257602bd3dc66f /arch/blackfin/include/asm/cache.h
parentMerge branch 'omap2-clock' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git (diff)
parent[ARM] omap: fix a load of "warning: symbol 'xxx' was not declared. Should it be static?" (diff)
downloadlinux-dev-56f68556d7bbb51dd158c74deb09c783345bfbbd.tar.xz
linux-dev-56f68556d7bbb51dd158c74deb09c783345bfbbd.zip
Merge unstable branch 'omap-rmk'
Merge branch 'omap-rmk' into omap-all
Diffstat (limited to 'arch/blackfin/include/asm/cache.h')
-rw-r--r--arch/blackfin/include/asm/cache.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h
new file mode 100644
index 000000000000..023d72133b5a
--- /dev/null
+++ b/arch/blackfin/include/asm/cache.h
@@ -0,0 +1,29 @@
+/*
+ * include/asm-blackfin/cache.h
+ */
+#ifndef __ARCH_BLACKFIN_CACHE_H
+#define __ARCH_BLACKFIN_CACHE_H
+
+/*
+ * 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
+
+/*
+ * 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
+
+/*
+ * largest L1 which this arch supports
+ */
+#define L1_CACHE_SHIFT_MAX 5
+
+#endif