board: phytec: imx8mm: Add PHYTEC phyCORE-i.MX8MM support

Add support PHYTEC phyCORE-i.MX8MM SOM.

Supported features:
 - 2GB LPDDR4 RAM
 - 1x 1Gbit Ethernet
 - eMMC
 - external SD
 - debug UART3
 - watchdog
 - i2c eeprom

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
diff --git a/include/configs/phycore_imx8mm.h b/include/configs/phycore_imx8mm.h
new file mode 100644
index 0000000..fd69dc4
--- /dev/null
+++ b/include/configs/phycore_imx8mm.h
@@ -0,0 +1,130 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * Copyright (C) 2019-2020 PHYTEC Messtechnik GmbH
+ * Author: Teresa Remmet <t.remmet@phytec.de>
+ */
+
+#ifndef __PHYCORE_IMX8MM_H
+#define __PHYCORE_IMX8MM_H
+
+#include <linux/sizes.h>
+#include <linux/stringify.h>
+#include <asm/arch/imx-regs.h>
+
+#define CONFIG_SYS_BOOTM_LEN		SZ_64M
+#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_UBOOT_BASE \
+		(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SPL_STACK		0x920000
+#define CONFIG_SPL_BSS_START_ADDR	0x910000
+#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		0x930000
+/* For RAW image gives a error info not panic */
+#define CONFIG_SPL_ABORT_ON_RAW_IMAGE
+#endif
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"image=Image\0" \
+	"console=ttymxc2,115200\0" \
+	"fdt_addr=0x48000000\0" \
+	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+	"ipaddr=192.168.3.11\0" \
+	"serverip=192.168.3.10\0" \
+	"netmask=255.225.255.0\0" \
+	"ip_dyn=no\0" \
+	"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
+	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
+	"mmcroot=2\0" \
+	"mmcautodetect=yes\0" \
+	"mmcargs=setenv bootargs console=${console} " \
+		"root=/dev/mmcblk${mmcdev}p${mmcroot} rootwait rw\0" \
+	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"if run loadfdt; then " \
+			"booti ${loadaddr} - ${fdt_addr}; " \
+		"else " \
+			"echo WARN: Cannot load the DT; " \
+		"fi;\0 " \
+	"nfsroot=/nfs\0" \
+	"netargs=setenv bootargs console=${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 ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+			"booti ${loadaddr} - ${fdt_addr}; " \
+		"else " \
+			"echo WARN: Cannot load the DT; " \
+		"fi;\0" \
+
+#define CONFIG_BOOTCOMMAND \
+	"mmc dev ${mmcdev}; if mmc rescan; then " \
+		"if run loadimage; then " \
+			"run mmcboot; " \
+		"else run netboot; " \
+		"fi; " \
+	"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	SZ_512K
+#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_MMCROOT			"/dev/mmcblk2p2"  /* USDHC3 */
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		SZ_32M
+#define CONFIG_SYS_SDRAM_BASE		0x40000000
+
+#define PHYS_SDRAM			SZ_1G
+#define PHYS_SDRAM_SIZE                 SZ_2G /* 2GB DDR */
+
+/* UART */
+#define CONFIG_MXC_UART_BASE		UART3_BASE_ADDR
+
+/* Monitor Command Prompt */
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+#define CONFIG_SYS_CBSIZE		SZ_2K
+#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_FSL_USDHC
+#define CONFIG_SYS_FSL_USDHC_NUM	2
+#define CONFIG_SYS_FSL_ESDHC_ADDR       0
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+
+/* I2C */
+#define CONFIG_SYS_I2C_SPEED		100000
+
+/* ENET1 */
+#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 /* __PHYCORE_IMX8MM_H */