Consolidate bootcount code into drivers/bootcount

This patch moves all bootcount implementations into a common
directory: drivers/bootcount. The generic bootcount driver
is now usable not only by powerpc platforms, but others as well.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Valentin Longchamp <valentin.longchamp@keymile.com>
Cc: Christian Riesch <christian.riesch@omicron.at>
Cc: Manfred Rudigier <manfred.rudigier@omicron.at>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Reinhard Meyer <reinhard.meyer@emk-elektronik.de>
Tested-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Tested-by: Christian Riesch <christian.riesch@omicron.at>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/include/configs/calimain.h b/include/configs/calimain.h
index e31e40b..8141fd7 100644
--- a/include/configs/calimain.h
+++ b/include/configs/calimain.h
@@ -352,6 +352,7 @@
 #define CONFIG_SYS_INIT_SP_ADDR		(0x8001ff00)
 
 #define CONFIG_BOOTCOUNT_LIMIT
+#define CONFIG_SYS_BOOTCOUNT_LE		/* Use little-endian accessors */
 #define CONFIG_SYS_BOOTCOUNT_ADDR	DAVINCI_RTC_BASE
 
 #ifndef __ASSEMBLY__
diff --git a/include/configs/enbw_cmc.h b/include/configs/enbw_cmc.h
index 3fc07e6..b99492c 100644
--- a/include/configs/enbw_cmc.h
+++ b/include/configs/enbw_cmc.h
@@ -458,6 +458,7 @@
 
 #define CONFIG_BOOTCOUNT_LIMIT
 #define CONFIG_SYS_BOOTCOUNT_ADDR	DAVINCI_RTC_BASE
+#define CONFIG_SYS_BOOTCOUNT_BE
 
 #define CONFIG_SYS_NAND_U_BOOT_DST	0xc0080000
 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x60004000
diff --git a/include/configs/highbank.h b/include/configs/highbank.h
index 791f3f5..897bc39 100644
--- a/include/configs/highbank.h
+++ b/include/configs/highbank.h
@@ -41,6 +41,8 @@
 #define CONFIG_BAUDRATE			38400
 
 #define CONFIG_BOOTCOUNT_LIMIT
+#define CONFIG_SYS_BOOTCOUNT_SINGLEWORD
+#define CONFIG_SYS_BOOTCOUNT_LE		/* Use little-endian accessors */
 #define CONFIG_SYS_BOOTCOUNT_ADDR	0xfff3cf0c
 
 #define CONFIG_MISC_INIT_R
diff --git a/include/configs/km/km_arm.h b/include/configs/km/km_arm.h
index 3aa5ca1..0d5ecd5 100644
--- a/include/configs/km/km_arm.h
+++ b/include/configs/km/km_arm.h
@@ -307,6 +307,8 @@
 #define CONFIG_KM_RESERVED_PRAM 0x801000
 /* address for the bootcount (taken from end of RAM) */
 #define BOOTCOUNT_ADDR          (CONFIG_KM_RESERVED_PRAM)
+/* Use generic bootcount RAM driver */
+#define CONFIG_BOOTCOUNT_RAM
 
 /* enable POST tests */
 #define CONFIG_POST	(CONFIG_SYS_POST_MEM_REGIONS)