blackfin: scb: Add system crossbar init code.

If SCB exists in select blackfin cpu, developer can change the SCB
priority in kernel configuration.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 19ad0637e8ff..396193042127 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -35,6 +35,9 @@
 #ifdef CONFIG_BF60x
 #include <mach/pm.h>
 #endif
+#ifdef CONFIG_SCB_PRIORITY
+#include <asm/scb.h>
+#endif
 
 u16 _bfin_swrst;
 EXPORT_SYMBOL(_bfin_swrst);
@@ -1101,6 +1104,9 @@ void __init setup_arch(char **cmdline_p)
 #endif
         init_exception_vectors();
         bfin_cache_init();      /* Initialize caches for the boot CPU */
+#ifdef CONFIG_SCB_PRIORITY
+        init_scb();
+#endif
 }
 
 static int __init topology_init(void)