prepare for interrupt support in the next few days

[my-code/arm.git] / betty / system.h

diff --git a/betty/system.h b/betty/system.h
index 9031725..5fe98d9 100644 (file)
--- a/betty/system.h
+++ b/betty/system.h
@@ -11,6 +11,13 @@
 #include "lpc2xxx.h"
 #include "types.h"
 
+/* defines */
+
+#define MEMTYPE_BOOT           0x00
+#define MEMTYPE_RESERVED       0x01
+#define MEMTYPE_RAM            0x02
+#define MEMTYPE_EXT            0x03
+
 /* function prototypes */
 void pll_init(void);
 void ext_mem_init(void);