1 files changed, 48 insertions, 0 deletions

diff --git a/include/asm-v850/v850e_cache.h b/include/asm-v850/v850e_cache.h
new file mode 100644
index 000000000000..aa7d7eb9da50
--- /dev/null
+++ b/include/asm-v850/v850e_cache.h
@@ -0,0 +1,48 @@
+/*
+ * include/asm-v850/v850e_cache.h -- Cache control for V850E cache memories
+ *
+ *  Copyright (C) 2001,03  NEC Electronics Corporation
+ *  Copyright (C) 2001,03  Miles Bader <miles@gnu.org>
+ *
+ * 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.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+/* This file implements cache control for the rather simple cache used on
+   some V850E CPUs, specifically the NB85E/TEG CPU-core and the V850E/ME2
+   CPU.  V850E2 processors have their own (better) cache
+   implementation.  */
+
+#ifndef __V850_V850E_CACHE_H__
+#define __V850_V850E_CACHE_H__
+
+#include <asm/types.h>
+
+
+/* Cache control registers.  */
+#define V850E_CACHE_BHC_ADDR    0xFFFFF06A
+#define V850E_CACHE_BHC         (*(volatile u16 *)V850E_CACHE_BHC_ADDR)
+#define V850E_CACHE_ICC_ADDR    0xFFFFF070
+#define V850E_CACHE_ICC         (*(volatile u16 *)V850E_CACHE_ICC_ADDR)
+#define V850E_CACHE_ISI_ADDR    0xFFFFF072
+#define V850E_CACHE_ISI         (*(volatile u16 *)V850E_CACHE_ISI_ADDR)
+#define V850E_CACHE_DCC_ADDR    0xFFFFF078
+#define V850E_CACHE_DCC         (*(volatile u16 *)V850E_CACHE_DCC_ADDR)
+
+/* Size of a cache line in bytes.  */
+#define V850E_CACHE_LINE_SIZE   16
+
+/* For <asm/cache.h> */
+#define L1_CACHE_BYTES          V850E_CACHE_LINE_SIZE
+
+
+#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+/* Set caching params via the BHC, ICC, and DCC registers.  */
+void v850e_cache_enable (u16 bhc, u16 icc, u16 dcc);
+#endif /* __KERNEL__ && !__ASSEMBLY__ */
+
+
+#endif /* __V850_V850E_CACHE_H__ */