mpc52xx: add common o2dnt and o2dnt2 support and configurations

Add common code for o2dnt and o2dnt2 based boards and add different
board configuration files for O2D, O2I, O2DNT2, O2D300, O2MNT and
O3DNT boards.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/include/configs/o2d.h b/include/configs/o2d.h
new file mode 100644
index 0000000..c0b75eb
--- /dev/null
+++ b/include/configs/o2d.h
@@ -0,0 +1,80 @@
+/*
+ * (C) Copyright 2012
+ * DENX Software Engineering, Anatolij Gustschin <agust@denx.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+/*
+ * Valid values for CONFIG_SYS_TEXT_BASE are:
+ * 0xFC000000   boot low boot high (standard configuration)
+ * 0x00100000   boot from RAM (for testing only)
+ */
+#ifndef CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_TEXT_BASE	0xfc000000	/* Standard: boot low */
+#endif
+
+/* Board specific flash config */
+#define CONFIG_SYS_FLASH_BASE		0xfc000000
+#define CONFIG_SYS_FLASH_SIZE		0x04000000      /* maximum 64MB */
+/* max number of sectors on one chip */
+#define CONFIG_SYS_MAX_FLASH_SECT	512
+
+/*
+ * Include common defines for all ifm boards
+ */
+#include "o2dnt-common.h"
+
+/* additional commands */
+#define CONFIG_CMD_ITEST
+
+/*
+ * GPIO configuration:
+ * CS1 SDRAM activate + no CAN + no PCI
+ */
+#define CONFIG_SYS_GPS_PORT_CONFIG	0x8000A004
+
+/* Other board specific configs */
+#define CONFIG_SYS_BOOTCS_CFG		0x00057d01
+#define CONFIG_SYS_RESET_ADDRESS	0xfc000000
+
+#define CONFIG_SYS_MEMTEST_START	0x00100000      /* memtest works on */
+#define CONFIG_SYS_MEMTEST_END		0x07f00000	/* 1 - 127 MB in DRAM */
+
+#define CONFIG_BOARD_NAME		"o2d"
+#define CONFIG_BOARD_BOOTCMD		"run dhcp_boot"
+#define CONFIG_BOARD_MEM_LIMIT		xstr(126)
+#define BOARD_POST_CRC32_END		xstr(0x01000000)
+
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	CONFIG_IFM_DEFAULT_ENV_SETTINGS					\
+	CONFIG_IFM_DEFAULT_ENV_OLD					\
+	CONFIG_IFM_DEFAULT_ENV_NEW					\
+	"linbot=fc060000\0"						\
+	"lintop=fc15ffff\0"						\
+	"rambot=fc160000\0"						\
+	"ramtop=fc55ffff\0"						\
+	"jffbot=fc560000\0"						\
+	"jfftop=fcffffff\0"						\
+	"ubobot=" xstr(CONFIG_SYS_FLASH_BASE) "\0"			\
+	"ubotop=fc03ffff\0"						\
+	"kernel_addr=0xfc060000\0"					\
+	"ramdisk_addr=0xfc160000\0"					\
+	"progCram=tftp ${fileaddr} ${cramfsname};"			\
+		"erase ${rambot} ${ramtop};"				\
+		"cp.b ${fileaddr} ${rambot} ${filesize}\0"		\
+	"flash_for_configs=22396\0"					\
+	"flash_mtd=run mtd_args addip addmem;"				\
+		"bootm ${kernel_addr}\0"				\
+	"mtd_args=setenv bootargs root=/dev/mtdblock3 "			\
+		"rw rootfstype=cramfs\0"				\
+	"master=mw f0000b00 0x8005A006;mw f0000b0c ${IOpin};"		\
+		"mw f0000b04 ${IOpin};mw f0000b10 0x20\0"		\
+	"dhcp_boot=run dhcpcmd;run flash_mtd\0"				\
+	"hostname=IFM_SENSOR\0"						\
+	"netretry=once\0"						\
+	"autoload=no\0"							\
+	"sensorType=O2D222AG\0"