imx: imx7ulp: add EVK board support

Add EVK board support.
Add the evk dts file.

LOG:
U-Boot 2017.03-rc2-00038-gab86c1d (Feb 22 2017 - 15:59:58 +0800)

CPU:   Freescale i.MX7ULP rev1.0 at 500 MHz
Reset cause: POR
Boot mode: Dual boot
Model: NXP i.MX7ULP EVK
DRAM:  1 GiB
MMC:   FSL_SDHC: 0
In:    serial@402D0000
Out:   serial@402D0000
Err:   serial@402D0000
Net:   Net Initialization Skipped
No ethernet found.
Hit any key to stop autoboot:  0

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/include/configs/mx7ulp_evk.h b/include/configs/mx7ulp_evk.h
new file mode 100644
index 0000000..2604232
--- /dev/null
+++ b/include/configs/mx7ulp_evk.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * Configuration settings for the Freescale i.MX7ULP EVK board.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __MX7ULP_EVK_CONFIG_H
+#define __MX7ULP_EVK_CONFIG_H
+
+#include <linux/sizes.h>
+#include <asm/arch/imx-regs.h>
+
+/*Uncomment it to use secure boot*/
+/*#define CONFIG_SECURE_BOOT*/
+
+#ifdef CONFIG_SECURE_BOOT
+#ifndef CONFIG_CSF_SIZE
+#define CONFIG_CSF_SIZE			0x4000
+#endif
+#endif
+
+#define CONFIG_BOARD_POSTCLK_INIT
+#define CONFIG_SYS_BOOTM_LEN		0x1000000
+
+#define SRC_BASE_ADDR			CMC1_RBASE
+#define IRAM_BASE_ADDR			OCRAM_0_BASE
+#define IOMUXC_BASE_ADDR		IOMUXC1_RBASE
+
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_SIZE			SZ_8K
+
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+
+/* Using ULP WDOG for reset */
+#define WDOG_BASE_ADDR			WDG1_RBASE
+
+#define CONFIG_SYS_ARCH_TIMER
+#define CONFIG_SYS_HZ_CLOCK		1000000 /* Fixed at 1Mhz from TSTMR */
+
+#define CONFIG_INITRD_TAG
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+/*#define CONFIG_REVISION_TAG*/
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(8 * SZ_1M)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+/* UART */
+#define LPUART_BASE			LPUART4_RBASE
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_CONS_INDEX		1
+#define CONFIG_BAUDRATE			115200
+
+#undef CONFIG_CMD_IMLS
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_AUTO_COMPLETE
+
+#define CONFIG_SYS_CACHELINE_SIZE      64
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_PROMPT		"=> "
+#define CONFIG_SYS_CBSIZE		512
+
+/* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS		256
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_STACKSIZE		SZ_8K
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS		1
+
+#define CONFIG_SYS_TEXT_BASE		0x67800000
+#define PHYS_SDRAM			0x60000000
+#define PHYS_SDRAM_SIZE			SZ_1G
+#define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
+#define CONFIG_CMD_BOOTZ
+
+#define CONFIG_LOADADDR             0x60800000
+
+#define CONFIG_CMD_MEMTEST
+#define CONFIG_SYS_MEMTEST_END      0x9E000000
+
+#define CONFIG_SYS_HZ			1000
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+
+#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE	SZ_256K
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+#define CONFIG_CMD_CACHE
+#endif
+
+#endif	/* __CONFIG_H */