aboutsummaryrefslogtreecommitdiff
path: root/arch/microblaze/include/asm/cache.h
diff options
context:
space:
mode:
authorMichal Simek <monstr@monstr.eu>2009-03-27 14:25:16 +0100
committerMichal Simek <monstr@monstr.eu>2009-03-27 14:25:16 +0100
commit8beb8503bfa305cd7d9efa590517a9c01e2f97b4 (patch)
tree910b5b96454482b4ad8540c528456a0a53291c0b /arch/microblaze/include/asm/cache.h
parent37069abf2973f51aa12aa9dcb86c7403c9828161 (diff)
downloadvexpress-lsk-8beb8503bfa305cd7d9efa590517a9c01e2f97b4.tar.gz
microblaze_v8: cache support
Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/include/asm/cache.h')
-rw-r--r--arch/microblaze/include/asm/cache.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h
new file mode 100644
index 00000000000..c4c64b43c07
--- /dev/null
+++ b/arch/microblaze/include/asm/cache.h
@@ -0,0 +1,45 @@
+/*
+ * Cache operations
+ *
+ * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2007-2009 PetaLogix
+ * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
+ *
+ * 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 _ASM_MICROBLAZE_CACHE_H
+#define _ASM_MICROBLAZE_CACHE_H
+
+#include <asm/registers.h>
+
+#define L1_CACHE_SHIFT 2
+/* word-granular cache in microblaze */
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#define SMP_CACHE_BYTES L1_CACHE_BYTES
+
+void _enable_icache(void);
+void _disable_icache(void);
+void _invalidate_icache(unsigned int addr);
+
+#define __enable_icache() _enable_icache()
+#define __disable_icache() _disable_icache()
+#define __invalidate_icache(addr) _invalidate_icache(addr)
+
+void _enable_dcache(void);
+void _disable_dcache(void);
+void _invalidate_dcache(unsigned int addr);
+
+#define __enable_dcache() _enable_dcache()
+#define __disable_dcache() _disable_dcache()
+#define __invalidate_dcache(addr) _invalidate_dcache(addr)
+
+/* FIXME - I don't think this is right */
+#ifdef CONFIG_XILINX_UNCACHED_SHADOW
+#define UNCACHED_SHADOW_MASK (CONFIG_XILINX_ERAM_SIZE)
+#endif
+
+#endif /* _ASM_MICROBLAZE_CACHE_H */