keymile, common: add setting of some environment variables

This patch adds last_stage_init to all keymile boards. And
in the last stage init some environment variables for u-boot
were set. Currently these are pnvramaddr, pram and var address.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Wolfgang Denk <wd@denx.de>
cc: Kim Phillips <kim.phillips@freescale.com>

include/configs/keymile-common.h

@@ -26,6 +26,9 @@
 
 /* Do boardspecific init for all boards */
 #define CONFIG_BOARD_EARLY_INIT_R
+#define CONFIG_LAST_STAGE_INIT
+
+#define CONFIG_BOOTCOUNT_LIMIT
 
 /*
  * By default kwbimage.cfg from board specific folder is used

include/configs/km_arm.h

@@ -254,4 +254,11 @@ int get_scl (void);
 #define CONFIG_SYS_INIT_SP_ADDR		0xC8012000
 /* Do early setups now in board_init_f() */
 #define CONFIG_BOARD_EARLY_INIT_F
+
+/*
+ * resereved pram area at the end of memroy [hex]
+ * 8Mbytes for switch + 4Kbytes for bootcount
+ */
+#define CONFIG_KM_RESERVED_PRAM 0x801000
+
 #endif /* _CONFIG_KM_ARM_H */

include/configs/mgcoge.h

@@ -61,8 +61,6 @@
 /* include further common stuff for all keymile 82xx boards */
 #include "km82xx-common.h"
 
-/* enable last_stage_init */
-#define CONFIG_LAST_STAGE_INIT          1
 /* bfticu address */
 #define CONFIG_SYS_BFTICU_BASE          0x40000000