[Blackfin] arch: Initial checkin of the memory protection support.

Enable it with CONFIG_MPU.

Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/include/asm-blackfin/cplbinit.h b/include/asm-blackfin/cplbinit.h
index c4d0596..0eb1c1b 100644
--- a/include/asm-blackfin/cplbinit.h
+++ b/include/asm-blackfin/cplbinit.h
@@ -33,6 +33,12 @@
 #include <asm/blackfin.h>
 #include <asm/cplb.h>
 
+#ifdef CONFIG_MPU
+
+#include <asm/cplb-mpu.h>
+
+#else
+
 #define INITIAL_T 0x1
 #define SWITCH_T  0x2
 #define I_CPLB    0x4
@@ -79,6 +85,8 @@
 extern u_long dpdt_swapcount_table[];
 #endif
 
+#endif /* CONFIG_MPU */
+
 extern unsigned long reserved_mem_dcache_on;
 extern unsigned long reserved_mem_icache_on;