sh: Add SH-2A platform headers.

Mostly SH-2 wrappers..

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/cpu-sh2a/cache.h b/include/asm-sh/cpu-sh2a/cache.h
new file mode 100644
index 0000000..3e4b9e4
--- /dev/null
+++ b/include/asm-sh/cpu-sh2a/cache.h
@@ -0,0 +1,39 @@
+/*
+ * include/asm-sh/cpu-sh2a/cache.h
+ *
+ * Copyright (C) 2004 Paul Mundt
+ *
+ * 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_CPU_SH2A_CACHE_H
+#define __ASM_CPU_SH2A_CACHE_H
+
+#define L1_CACHE_SHIFT	4
+
+#define CCR1		0xfffc1000
+#define CCR2		0xfffc1004
+
+/* CCR1 behaves more like the traditional CCR */
+#define CCR		CCR1
+
+/*
+ * Most of the SH-2A CCR1 definitions resemble the SH-4 ones. All others not
+ * listed here are reserved.
+ */
+#define CCR_CACHE_CB	0x0000	/* Hack */
+#define CCR_CACHE_OCE	0x0001
+#define CCR_CACHE_WT	0x0002
+#define CCR_CACHE_OCI	0x0008	/* OCF */
+#define CCR_CACHE_ICE	0x0100
+#define CCR_CACHE_ICI	0x0800	/* ICF */
+
+#define CACHE_IC_ADDRESS_ARRAY	0xf0000000
+#define CACHE_OC_ADDRESS_ARRAY	0xf0800000
+
+#define CCR_CACHE_ENABLE	(CCR_CACHE_OCE | CCR_CACHE_ICE)
+#define CCR_CACHE_INVALIDATE	(CCR_CACHE_OCI | CCR_CACHE_ICI)
+
+#endif /* __ASM_CPU_SH2A_CACHE_H */
+