mx7d: Add Storopack's SMEGW01 board

Add support for Storopack's SMEGW01 board, which is an
IoT gateway based on the i.MX7D SoC.

Based on the original U-Boot work done by Phytec.

Signed-off-by: Fabio Estevam <festevam@denx.de>

include/configs/smegw01.h

@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016 NXP Semiconductors
+ * Copyright (C) 2021 Fabio Estevam <festevam@denx.de>
+ *
+ * Configuration settings for the smegw01 board.
+ */
+
+#ifndef __SMEGW01_CONFIG_H
+#define __SMEGW01_CONFIG_H
+
+#include "mx7_common.h"
+#include <imximage.h>
+
+#define PHYS_SDRAM_SIZE		SZ_512M
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(35 * SZ_1M)
+
+/* MMC Config*/
+#define CONFIG_SYS_FSL_ESDHC_ADDR	0
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"image=zImage\0" \
+	"console=ttymxc0\0" \
+	"fdtfile=imx7d-smegw01.dtb\0" \
+	"fdt_addr=0x83000000\0" \
+	"bootm_size=0x10000000\0" \
+	"mmcdev=0\0" \
+	"mmcpart=1\0" \
+	"mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
+	"mmcargs=setenv bootargs console=${console},${baudrate} " \
+		"root=${mmcroot}\0" \
+	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdtfile}\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"if run loadfdt; then " \
+			"bootz ${loadaddr} - ${fdt_addr}; " \
+		"fi;\0" \
+
+#define CONFIG_BOOTCOMMAND \
+	"if run loadimage; then " \
+		"run mmcboot; " \
+	"fi; " \
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+#define CONFIG_SYS_HZ			1000
+
+/* Physical Memory Map */
+#define PHYS_SDRAM			MMDC0_ARB_BASE_ADDR
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
+
+#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)
+
+#endif