arm, am335x: add support for 3 siemens boards

add support for the am335x based boards from siemens:

dxr2:
  - DDR3 128MiB
  - NAND 256MiB
  - Ethernet with external Switch SMSC LAN9303
  - no PMIC
  - internal Watchdog
  - DFU support

pxm2:
  - DDR2 512 MiB
  - NAND 1024 MiB
  - PMIC
  - PHY atheros ar803x
  - USB Host
  - internal Watchdog
  - DFU support

rut:
  - DDR3 256 MiB
  - NAND 256 MiB
  - PMIC
  - PHY natsemi dp83630
  - external Watchdog
  - DFU support

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Roger Meier <r.meier@siemens.com>
Signed-off-by: Samuel Egli <samuel.egli@siemens.com>
Cc: Pascal Bach <pascal.bach@siemens.com>
Cc: Tom Rini <trini@ti.com>
diff --git a/include/configs/rut.h b/include/configs/rut.h
new file mode 100644
index 0000000..7c94644
--- /dev/null
+++ b/include/configs/rut.h
@@ -0,0 +1,156 @@
+/*
+ * siemens rut
+ * (C) Copyright 2013 Siemens Schweiz AG
+ * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * Based on:
+ * U-Boot file:/include/configs/am335x_evm.h
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_RUT_H
+#define __CONFIG_RUT_H
+
+#define CONFIG_SIEMENS_RUT
+#define MACH_TYPE_RUT			4316
+#define CONFIG_SIEMENS_MACH_TYPE	MACH_TYPE_RUT
+
+#include "siemens-am33x-common.h"
+
+#define CONFIG_SYS_MPUCLK	600
+#define RUT_IOCTRL_VAL	0x18b
+#define DDR_PLL_FREQ	303
+
+ /* Physical Memory Map */
+#define CONFIG_MAX_RAM_BANK_SIZE	(256 << 20) /* 256 MiB */
+
+/* I2C Configuration */
+#define CONFIG_SYS_I2C_SPEED		100000
+
+#define CONFIG_SYS_I2C_EEPROM_ADDR              0x50
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN          2
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       6       /* 64 byte pages */
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10      /* take up to 10 msec */
+
+#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x200
+
+#undef CONFIG_SPL_NET_SUPPORT
+#undef CONFIG_SPL_NET_VCI_STRING
+#undef CONFIG_SPL_ETH_SUPPORT
+
+#define CONFIG_PHY_ADDR			1
+#define CONFIG_PHY_NATSEMI
+
+#define CONFIG_FACTORYSET
+
+/* UBI Support */
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_MTD_DEVICE
+#define CONFIG_RBTREE
+#define CONFIG_LZO
+#define CONFIG_CMD_UBI
+#define CONFIG_CMD_UBIFS
+#endif
+
+/* Watchdog */
+#define WATCHDOG_TRIGGER_GPIO	14
+
+#ifndef CONFIG_SPL_BUILD
+
+/* Default env settings */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"hostname=rut\0" \
+	"splashpos=488,352\0" \
+	"optargs=fixrtc --no-log consoleblank=0 \0" \
+	CONFIG_COMMON_ENV_SETTINGS \
+	"mmc_dev=0\0" \
+	"mmc_root=/dev/mmcblk0p2 rw\0" \
+	"mmc_root_fs_type=ext4 rootwait\0" \
+	"mmc_load_uimage=" \
+		"mmc rescan; " \
+		"setenv bootfile uImage;" \
+		"fatload mmc ${mmc_dev} ${kloadaddr} ${bootfile}\0" \
+	"loadbootenv=fatload mmc ${mmc_dev} ${loadaddr} ${bootenv}\0" \
+	"importbootenv=echo Importing environment from mmc ...; " \
+		"env import -t $loadaddr $filesize\0" \
+	"mmc_args=run bootargs_defaults;" \
+		"mtdparts default;" \
+		"setenv bootargs ${bootargs} " \
+		"root=${mmc_root} ${mtdparts}" \
+		"rootfstype=${mmc_root_fs_type} ip=${ip_method} " \
+		"eth=${ethaddr} " \
+		"\0" \
+	"mmc_boot=run mmc_args; " \
+		"run mmc_load_uimage; " \
+		"bootm ${kloadaddr}\0" \
+	""
+
+#ifndef CONFIG_RESTORE_FLASH
+/* set to negative value for no autoboot */
+#define CONFIG_BOOTDELAY		3
+
+#define CONFIG_BOOTCOMMAND \
+	"if mmc rescan; then " \
+		"echo SD/MMC found on device ${mmc_dev};" \
+		"if run loadbootenv; then " \
+			"echo Loaded environment from ${bootenv};" \
+			"run importbootenv;" \
+		"fi;" \
+		"if test -n $uenvcmd; then " \
+			"echo Running uenvcmd ...;" \
+			"run uenvcmd;" \
+		"fi;" \
+		"if run mmc_load_uimage; then " \
+			"run mmc_args;" \
+			"bootm ${kloadaddr};" \
+		"fi;" \
+	"fi;" \
+	"run nand_boot;" \
+	"if ping ${serverip}; then " \
+		"run net_nfs; " \
+	"fi; "
+
+#else
+#define CONFIG_BOOTDELAY		0
+
+#define CONFIG_BOOTCOMMAND			\
+	"setenv autoload no; "			\
+	"dhcp; "				\
+	"if tftp 80000000 debrick.scr; then "	\
+		"source 80000000; "		\
+	"fi"
+#endif
+
+#endif /* CONFIG_SPL_BUILD */
+
+#ifdef CONFIG_SPL_BUILD
+#undef CONFIG_HW_WATCHDOG
+#endif
+
+#define CONFIG_VIDEO
+#if defined(CONFIG_VIDEO)
+#define CONFIG_VIDEO_DA8XX
+#define CONFIG_CFB_CONSOLE
+#define CONFIG_VGA_AS_SINGLE_DEVICE
+#define CONFIG_SPLASH_SCREEN
+#define CONFIG_SPLASH_SCREEN_ALIGN
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_VIDEO_BMP_RLE8
+#define CONFIG_VIDEO_BMP_LOGO
+#define CONFIG_CMD_BMP
+#define DA8XX_LCD_CNTL_BASE	LCD_CNTL_BASE
+
+#define CONFIG_SPI
+#define CONFIG_OMAP3_SPI
+
+#define BOARD_LCD_RESET		115	/* Bank 3 pin 19 */
+#define CONFIG_ARCH_EARLY_INIT_R
+#define CONFIG_FORMIKE
+#endif
+
+#endif	/* ! __CONFIG_RUT_H */