arm: socfpga: Add support for the Terasic DE-0 Atlas board

Add support for the Terasic DE0-Nano/Atlas-SoC Kit, which is a CycloneV
based board. The board can boot from SD/MMC. Ethernet is also supported.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
diff --git a/include/configs/socfpga_de0_nano_soc.h b/include/configs/socfpga_de0_nano_soc.h
new file mode 100644
index 0000000..2508d03
--- /dev/null
+++ b/include/configs/socfpga_de0_nano_soc.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2015 Marek Vasut <marex@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __CONFIG_TERASIC_DE0_H__
+#define __CONFIG_TERASIC_DE0_H__
+
+#include <asm/arch/socfpga_base_addrs.h>
+
+/* U-Boot Commands */
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_DOS_PARTITION
+#define CONFIG_FAT_WRITE
+#define CONFIG_HW_WATCHDOG
+
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_BOOTZ
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_DFU
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_EXT4_WRITE
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_FS_GENERIC
+#define CONFIG_CMD_GPIO
+#define CONFIG_CMD_GREPENV
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_USB
+#define CONFIG_CMD_USB_MASS_STORAGE
+
+/* Memory configurations */
+#define PHYS_SDRAM_1_SIZE		0x40000000	/* 1GiB */
+
+/* Booting Linux */
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTFILE		"fitImage"
+#define CONFIG_BOOTARGS		"console=ttyS0," __stringify(CONFIG_BAUDRATE)
+#ifdef CONFIG_SOCFPGA_VIRTUAL_TARGET
+#define CONFIG_BOOTCOMMAND	"run ramboot"
+#else
+#define CONFIG_BOOTCOMMAND	"run mmcload; run mmcboot"
+#endif
+#define CONFIG_LOADADDR		0x01000000
+#define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
+
+/* Ethernet on SoC (EMAC) */
+#if defined(CONFIG_CMD_NET)
+
+/* PHY */
+#define CONFIG_PHY_MICREL
+#define CONFIG_PHY_MICREL_KSZ9031
+
+#endif
+
+/* USB */
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_DWC2_REG_ADDR	SOCFPGA_USB1_ADDRESS
+#endif
+#define CONFIG_G_DNL_MANUFACTURER      "Terasic"
+
+/* Extra Environment */
+#define CONFIG_HOSTNAME		socfpga_de0_nano_soc
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"loadaddr= " __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
+	"ramboot=setenv bootargs " CONFIG_BOOTARGS ";" \
+		"bootm ${loadaddr} - ${fdt_addr}\0" \
+	"bootimage=zImage\0" \
+	"fdt_addr=100\0" \
+	"fdtimage=socfpga.dtb\0" \
+		"fsloadcmd=ext2load\0" \
+	"bootm ${loadaddr} - ${fdt_addr}\0" \
+	"mmcroot=/dev/mmcblk0p2\0" \
+	"mmcboot=setenv bootargs " CONFIG_BOOTARGS \
+		" root=${mmcroot} rw rootwait;" \
+		"bootz ${loadaddr} - ${fdt_addr}\0" \
+	"mmcload=mmc rescan;" \
+		"load mmc 0:1 ${loadaddr} ${bootimage};" \
+		"load mmc 0:1 ${fdt_addr} ${fdtimage}\0" \
+
+/* The rest of the configuration is shared */
+#include <configs/socfpga_common.h>
+
+#endif	/* __CONFIG_TERASIC_DE0_H__ */