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authorChris Zankel <czankel@tensilica.com>2005-06-23 22:01:26 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-24 00:05:22 -0700
commit9a8fd5589902153a134111ed7a40f9cca1f83254 (patch)
tree6f7a06de25bdf0b2d94623794c2cbbc66b5a77f6 /include/asm-xtensa/shmparam.h
parent3f65ce4d141e435e54c20ed2379d983d362a2cb5 (diff)
downloadop-kernel-dev-9a8fd5589902153a134111ed7a40f9cca1f83254.zip
op-kernel-dev-9a8fd5589902153a134111ed7a40f9cca1f83254.tar.gz
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 6
The attached patches provides part 6 of an architecture implementation for the Tensilica Xtensa CPU series. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-xtensa/shmparam.h')
-rw-r--r--include/asm-xtensa/shmparam.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/asm-xtensa/shmparam.h b/include/asm-xtensa/shmparam.h
new file mode 100644
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--- /dev/null
+++ b/include/asm-xtensa/shmparam.h
@@ -0,0 +1,23 @@
+/*
+ * include/asm-xtensa/shmparam.h
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of
+ * this archive for more details.
+ */
+
+#ifndef _XTENSA_SHMPARAM_H
+#define _XTENSA_SHMPARAM_H
+
+#include <asm/processor.h>
+
+/*
+ * Xtensa can have variable size caches, and if
+ * the size of single way is larger than the page size,
+ * then we have to start worrying about cache aliasing
+ * problems.
+ */
+
+#define SHMLBA ((PAGE_SIZE > DCACHE_WAY_SIZE)? PAGE_SIZE : DCACHE_WAY_SIZE)
+
+#endif /* _XTENSA_SHMPARAM_H */
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