imx: Add support for i.MX8MN Beacon EmbeddedWorks devkit.

Beacon EmbeddedWorks is releasing a devkit based on the i.MX8M
Nano SoC consisting of baseboard + SOM.

The kit is based on the same design as the Beacon dev kit with
the i.MX8M Mini.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/include/configs/imx8mn_beacon.h b/include/configs/imx8mn_beacon.h
new file mode 100644
index 0000000..7a247cc
--- /dev/null
+++ b/include/configs/imx8mn_beacon.h
@@ -0,0 +1,155 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2020 Compass Electronics Group, LLC
+ */
+
+#ifndef __IMX8MN_BEACON_H
+#define __IMX8MN_BEACON_H
+
+#include <linux/sizes.h>
+#include <asm/arch/imx-regs.h>
+
+#define CONFIG_SPL_MAX_SIZE		(148 * SZ_1K)
+#define CONFIG_SYS_MONITOR_LEN	SZ_512K
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300
+#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
+#define CONFIG_SYS_UBOOT_BASE	\
+	(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SPL_STACK		0x187FF0
+#define CONFIG_SPL_BSS_START_ADDR	0x0095e000
+#define CONFIG_SPL_BSS_MAX_SIZE	SZ_8K
+#define CONFIG_SYS_SPL_MALLOC_START	0x42200000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	SZ_512K
+
+/* malloc f used before GD_FLG_FULL_MALLOC_INIT set */
+#define CONFIG_MALLOC_F_ADDR		0x184000
+
+/* For RAW image gives a error info not panic */
+#define CONFIG_SPL_ABORT_ON_RAW_IMAGE
+
+#endif /* CONFIG_SPL_BUILD */
+
+#define CONFIG_REMAKE_ELF
+
+/* Initial environment variables */
+#define CONFIG_EXTRA_ENV_SETTINGS		\
+	"script=boot.scr\0" \
+	"image=Image\0" \
+	"ramdiskimage=rootfs.cpio.uboot\0" \
+	"console=ttymxc1,115200\0" \
+	"fdt_addr=0x43000000\0"			\
+	"ramdisk_addr=0x44000000\0" \
+	"boot_fdt=try\0" \
+	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+	"initrd_addr=0x43800000\0"		\
+	"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
+	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
+	"finduuid=part uuid mmc ${mmcdev}:2 uuid\0" \
+	"mmcautodetect=yes\0" \
+	"mmcargs=setenv bootargs console=${console} " \
+	" root=PARTUUID=${uuid} rootwait rw ${mtdparts} ${optargs}\0" \
+	"ramargs=setenv bootargs console=${console} root=/dev/ram rw " \
+	" ${optargs}\0" \
+	"loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+	"bootscript=echo Running bootscript from mmc ...; " \
+		"source\0" \
+	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+	"loadramdisk=load mmc ${mmcdev} ${ramdisk_addr} ${ramdiskimage}\0"\
+	"mmcboot=echo Booting from mmc ...; " \
+		"run finduuid; run mmcargs; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if run loadfdt; then " \
+				"booti ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"echo WARN: Cannot load the DT; " \
+			"fi; " \
+		"else " \
+			"echo wait for boot; " \
+		"fi;\0" \
+	"netargs=setenv bootargs console=${console} " \
+		"root=/dev/nfs " \
+		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
+	"netboot=echo Booting from net ...; " \
+		"run netargs;  " \
+		"if test ${ip_dyn} = yes; then " \
+			"setenv get_cmd dhcp; " \
+		"else " \
+			"setenv get_cmd tftp; " \
+		"fi; " \
+		"${get_cmd} ${loadaddr} ${image}; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+				"booti ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"echo WARN: Cannot load the DT; " \
+			"fi; " \
+		"else " \
+			"booti; " \
+		"fi;\0" \
+	"ramboot=echo Booting from RAMdisk...; "\
+		"run loadimage; run loadfdt; fdt addr $fdt_addr; "\
+		"run loadramdisk; run ramargs; " \
+		"booti ${loadaddr} ${ramdisk_addr} ${fdt_addr} ${optargs}\0"
+
+#define CONFIG_BOOTCOMMAND \
+	   "mmc dev ${mmcdev}; if mmc rescan; then " \
+		   "if run loadbootscript; then " \
+			   "run bootscript; " \
+		   "else " \
+			   "if run loadimage; then " \
+				   "run mmcboot; " \
+			   "else run netboot; " \
+			   "fi; " \
+		   "fi; " \
+	   "else booti ${loadaddr} - ${fdt_addr}; fi"
+
+/* Link Definitions */
+#define CONFIG_LOADADDR			0x40480000
+
+#define CONFIG_SYS_LOAD_ADDR           CONFIG_LOADADDR
+
+#define CONFIG_SYS_INIT_RAM_ADDR        0x40000000
+#define CONFIG_SYS_INIT_RAM_SIZE        0x200000
+#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)
+
+#define CONFIG_ENV_OVERWRITE
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		SZ_32M
+
+#define CONFIG_SYS_SDRAM_BASE		0x40000000
+#define PHYS_SDRAM			0x40000000
+#define PHYS_SDRAM_SIZE		0x40000000 /* 1GB DDR */
+
+#define CONFIG_MXC_UART_BASE		UART2_BASE_ADDR
+
+/* Monitor Command Prompt */
+#define CONFIG_SYS_PROMPT_HUSH_PS2     "> "
+#define CONFIG_SYS_CBSIZE              2048
+#define CONFIG_SYS_MAXARGS             64
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* USDHC */
+#define CONFIG_SYS_FSL_USDHC_NUM	2
+#define CONFIG_SYS_FSL_ESDHC_ADDR	0
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+
+/* ENET Config */
+#if defined(CONFIG_FEC_MXC)
+#define CONFIG_ETHPRIME		"FEC"
+#define CONFIG_FEC_XCV_TYPE		RGMII
+#define CONFIG_FEC_MXC_PHYADDR	0
+#define FEC_QUIRK_ENET_MAC
+#define IMX_FEC_BASE			0x30BE0000
+#endif /* CONFIG_FEC_MXC */
+
+#endif