Fix compiler warnings for ARM systems.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/mpl/vcma9/flash.c b/board/mpl/vcma9/flash.c
index ccfe176..d15a191 100644
--- a/board/mpl/vcma9/flash.c
+++ b/board/mpl/vcma9/flash.c
@@ -290,7 +290,7 @@
  * Copy memory to flash
  */
 
-volatile static int write_hword (flash_info_t * info, ulong dest, ushort data)
+static int write_hword (flash_info_t * info, ulong dest, ushort data)
 {
 	vu_short *addr = (vu_short *) dest;
 	ushort result;
diff --git a/board/mpl/vcma9/vcma9.h b/board/mpl/vcma9/vcma9.h
index 7a32343..220b705 100644
--- a/board/mpl/vcma9/vcma9.h
+++ b/board/mpl/vcma9/vcma9.h
@@ -128,7 +128,7 @@
 } /*__attribute__((__packed__))*/ VCMA9_PLD;
 
 #define VCMA9_PLD_BASE	0x2C000100
-static inline VCMA9_PLD * const VCMA9_GetBase_PLD(void)
+static inline VCMA9_PLD * VCMA9_GetBase_PLD(void)
 {
 	return (VCMA9_PLD * const)VCMA9_PLD_BASE;
 }
diff --git a/board/pleb2/flash.c b/board/pleb2/flash.c
index 97271d9..5a1eba6 100644
--- a/board/pleb2/flash.c
+++ b/board/pleb2/flash.c
@@ -196,7 +196,7 @@
 	int i;
 	uchar *boottype;
 	uchar *bootletter;
-	uchar *fmt;
+	char *fmt;
 	uchar botbootletter[] = "B";
 	uchar topbootletter[] = "T";
 	uchar botboottype[] = "bottom boot sector";
diff --git a/board/sbc2410x/flash.c b/board/sbc2410x/flash.c
index f2718f2..0c669e4 100644
--- a/board/sbc2410x/flash.c
+++ b/board/sbc2410x/flash.c
@@ -288,7 +288,7 @@
  * Copy memory to flash
  */
 
-volatile static int write_hword (flash_info_t * info, ulong dest, ushort data)
+static int write_hword (flash_info_t * info, ulong dest, ushort data)
 {
 	vu_short *addr = (vu_short *) dest;
 	ushort result;
diff --git a/board/smdk2410/flash.c b/board/smdk2410/flash.c
index 993946b..376930b 100644
--- a/board/smdk2410/flash.c
+++ b/board/smdk2410/flash.c
@@ -290,7 +290,7 @@
  * Copy memory to flash
  */
 
-volatile static int write_hword (flash_info_t * info, ulong dest, ushort data)
+static int write_hword (flash_info_t * info, ulong dest, ushort data)
 {
 	vu_short *addr = (vu_short *) dest;
 	ushort result;
diff --git a/board/wepep250/flash.c b/board/wepep250/flash.c
index 2a32290..e2e08f7 100644
--- a/board/wepep250/flash.c
+++ b/board/wepep250/flash.c
@@ -44,6 +44,7 @@
 
 #if ( WEP_FLASH_BUS_WIDTH == 1 )
 #  define FLASH_BUS vu_char
+#  define FLASH_BUS_RET u_char
 #  if ( WEP_FLASH_INTERLEAVE == 1 )
 #    define FLASH_CMD( x ) x
 #  else
@@ -53,6 +54,7 @@
 
 #elif ( WEP_FLASH_BUS_WIDTH == 2 )
 #  define FLASH_BUS vu_short
+#  define FLASH_BUS_RET u_short
 #  if ( WEP_FLASH_INTERLEAVE == 1 )
 #    define FLASH_CMD( x ) x
 #  elif ( WEP_FLASH_INTERLEAVE == 2 )
@@ -64,6 +66,7 @@
 
 #elif ( WEP_FLASH_BUS_WIDTH == 4 )
 #  define FLASH_BUS vu_long
+#  define FLASH_BUS_RET u_long
 #  if ( WEP_FLASH_INTERLEAVE == 1 )
 #    define FLASH_CMD( x ) x
 #  elif ( WEP_FLASH_INTERLEAVE == 2 )
@@ -81,7 +84,7 @@
 
 flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
 
-static FLASH_BUS flash_status_reg (void)
+static FLASH_BUS_RET flash_status_reg (void)
 {
 
 	FLASH_BUS *addr = (FLASH_BUS *) 0;