AT91CAP9 support

---------------------------------

read_dataflash() takes a signed char pointer as a parameter. Silence a
few warnings dues to incorrect parameter types in env_dataflash.c.

Signed-off-by: Stelian Pop <stelian@popies.net>

common/env_dataflash.c

@@ -44,22 +44,22 @@ extern uchar default_environment[];
 uchar env_get_char_spec (int index)
 {
 	uchar c;
-	read_dataflash (CFG_ENV_ADDR+index+offsetof(env_t,data),1,&c);
+	read_dataflash(CFG_ENV_ADDR + index + offsetof(env_t,data),
+	1, (char *)&c);
 	return (c);
 }
 
 void env_relocate_spec (void)
 {
-	read_dataflash (CFG_ENV_ADDR,CFG_ENV_SIZE,(uchar *)env_ptr);
+	read_dataflash(CFG_ENV_ADDR, CFG_ENV_SIZE, (char *)env_ptr);
 }
 
 int saveenv(void)
 {
-/* env must be copied to do not alter env structure in memory*/
-unsigned char temp[CFG_ENV_SIZE];
-int i;
+	/* env must be copied to do not alter env structure in memory*/
+	unsigned char temp[CFG_ENV_SIZE];
 	memcpy(temp, env_ptr, CFG_ENV_SIZE);
-	return write_dataflash (CFG_ENV_ADDR, (unsigned long)temp, CFG_ENV_SIZE);
+	return write_dataflash(CFG_ENV_ADDR, (unsigned long)temp, CFG_ENV_SIZE);
 }
 
 /************************************************************************
@@ -77,13 +77,14 @@ int env_init(void)
 		AT91F_DataflashInit();	/* prepare for DATAFLASH read/write */
 
 		/* read old CRC */
-		read_dataflash (CFG_ENV_ADDR+offsetof(env_t,crc),sizeof(ulong),&crc);
+		read_dataflash(CFG_ENV_ADDR + offsetof(env_t, crc),
+			sizeof(ulong), (char *)&crc);
 		new = 0;
 		len = ENV_SIZE;
 		off = offsetof(env_t,data);
 		while (len > 0) {
 			int n = (len > sizeof(buf)) ? sizeof(buf) : len;
-			read_dataflash (CFG_ENV_ADDR+off,n , buf);
+			read_dataflash(CFG_ENV_ADDR + off, n, (char *)buf);
 			new = crc32 (new, buf, n);
 			len -= n;
 			off += n;