--- /dev/null
+CONFIG_ARM=y
+CONFIG_ARCH_NEXELL=y
+CONFIG_ARCH_S5P4418=y
+CONFIG_TARGET_NANOPI2=y
+CONFIG_DEFAULT_DEVICE_TREE="s5p4418-nanopi2"
+CONFIG_FIT=y
+
+CONFIG_SYS_MEMTEST_START=0x71000000
+CONFIG_SYS_MEMTEST_END=0xb0000000
+
+CONFIG_CMD_MEMTEST=y
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_I2C=y
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NET is not set
+
+# Default is CONFIG_NET=y, in this case:
+# Loading Environment from MMC... ## Warning: Unknown environment variable type 'm'
+# OK
+# CONFIG_CMD_NET=y must be set to avoid this Warning. But then:
+# Net: Net Initialization Skipped
+# No ethernet found.
+# If CONFIG_NET=n is set additionally warning at "make s5p4418_nanopi2_defconfig":
+# arch/../configs/s5p4418_nanopi2_defconfig:24:warning: override: reassigning to symbol CMD_NET
+#
+# --> CONFIG_NET=n set only
+CONFIG_NET=n
+
+# CONFIG_CMD_NFS is not set
+CONFIG_CMD_FDISK=y
+CONFIG_CMD_EXT4_IMG_WRITE=y
+CONFIG_CMD_SD_RECOVERY=y
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+
+CONFIG_PINCTRL=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_NEXELL=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_AXP228=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_AXP228=y
+CONFIG_DM_PWM=n
+
+CONFIG_DISPLAY=y
+CONFIG_DM_VIDEO=y
+CONFIG_SYS_CONSOLE_BG_COL=0xff
+CONFIG_SYS_CONSOLE_FG_COL=0x00
+CONFIG_VIDEO_NX=y
+CONFIG_VIDEO_NX_RGB=y
+CONFIG_VIDEO_NX_LVDS=y
+CONFIG_VIDEO_NX_HDMI=y
+CONFIG_CMD_BMP=y
+
+## LCD backlight control
+CONFIG_S5P4418_ONEWIRE=y
+CONFIG_PWM_NX is not set
+
+CONFIG_REGEX=y
+CONFIG_ERRNO_STR=y
+
+CONFIG_SYS_TEXT_BASE=0x74C00000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_SYS_CACHELINE_SIZE=64
+
+## System initialize options (board_init_f)
+# board_init_f->init_sequence, call board_early_init_f
+CONFIG_BOARD_LATE_INIT=y
+# board_init_f->init_sequence, call print_cpuinfo
+CONFIG_DISPLAY_CPUINFO=y
+# board_init_f->init_sequence, call show_board_info
+CONFIG_DISPLAY_BOARDINFO=y
+# board_init_f, CONFIG_SYS_ICACHE_OFF
+CONFIG_SYS_DCACHE_OFF=y
+# board_init_r, call arch_misc_init
+CONFIG_ARCH_MISC_INIT=y
+
+CONFIG_BOOTDELAY=1
+CONFIG_ZERO_BOOTDELAY_CHECK=y
+
+## U-Boot Environments
+## refer to common/env_common.c
+
+# CONFIG_ENV_IS_IN_MMC must be set here and not in s5p4418_nanopi2.h
+# otherwise CONFIG_ENV_IS_NOWHERE is set by env/Kconfig and environment
+# (bootargs) are not loaded
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_OFFSET=0x2E0200
+CONFIG_ENV_SIZE=0x4000
+CONFIG_CMD_SAVEENV=y
+
+## Etc Command definition
+# image info
+CONFIG_CMD_IMI=y
+# add command line history
+CONFIG_CMDLINE_EDITING=y
+CONFIG_CMDLINE_TAG=y
+CONFIG_INITRD_TAG=y
+CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_REVISION_TAG=y
+CONFIG_CMD_BOOTZ=y
+
+## serial console configuration
+CONFIG_CONS_INDEX=0
+CONFIG_BAUDRATE=115200
+
+## SD/MMC
+CONFIG_BOUNCE_BUFFER=y
+CONFIG_GENERIC_MMC=y
+CONFIG_MMC=y
+CONFIG_MMC_DW=y
+CONFIG_NEXELL_DWMMC=y
+CONFIG_CMD_MMC=y
+CONFIG_DM_MMC=y
+
+CONFIG_DOS_PARTITION=y
+CONFIG_CMD_FAT=y
+CONFIG_FS_FAT=y
+CONFIG_FAT_WRITE=y
+
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_FS_EXT4=y
+CONFIG_EXT4_WRITE=y
+
+## OF_CONTROL
+CONFIG_FIT_BEST_MATCH=y
+CONFIG_OF_LIBFDT=y
+CONFIG_OF_BOARD_SETUP=y
+
+## BOOTCOMMAND
+CONFIG_ROOT_DEV=1
+CONFIG_BOOT_PART=1
+CONFIG_ROOT_PART=2
+
+# necessary for if-cmd
+CONFIG_HUSH_PARSER=y
+
+# set to 'n' to save memory
+CONFIG_SYS_LONGHELP=y
+
+# For debugging (trace) of MMC-CMDs
+CONFIG_MMC_TRACE=n
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+
+ *
+ * Copyright (C) Guangzhou FriendlyARM Computer Tech. Co., Ltd.
+ * (http://www.friendlyarm.com)
+ *
+ * (C) Copyright 2016 Nexell
+ * Hyejung Kwon <cjscld15@nexell.co.kr>
+ *
+ * Copyright (C) 2019 Stefan Bosch <stefan_b@posteo.net>
+ */
+
+#ifndef __CONFIG_H__
+#define __CONFIG_H__
+
+#include <linux/sizes.h>
+#include <asm/arch/nexell.h>
+
+/*-----------------------------------------------------------------------
+ * System memory Configuration
+ */
+#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_MEM_SIZE 0x40000000
+#define CONFIG_SYS_SDRAM_BASE 0x71000000
+
+/*
+ * "(CONFIG_SYS_MEM_SIZE - CONFIG_SYS_RESERVE_MEM_SIZE)" has been used in
+ * u-boot nanopi2-v2016.01.
+ * This is not working anymore because boot_fdt_add_mem_rsv_regions() in
+ * common/image-fdt.c has been extended:
+ * Also reserved-memory sections are marked as unusable.
+ *
+ * In friendlyArm Ubuntu 16.04 source arch/arm/boot/dts/s5p4418.dtsi:
+ * reserved-memory {
+ * #address-cells = <1>;
+ * #size-cells = <1>;
+ * ranges;
+ *
+ * secure_memory@b0000000 {
+ * reg = <0xB0000000 0x1000000>;
+ * nop-map;
+ * };
+ * };
+ *
+ * arch_lmb_reserve() of arch/arm/lib/bootm.c:
+ * "Allocate space for command line and board info - ... below the current
+ * stack pointer."
+ * --> Memory allocated would overlap with "secure_memory@b0000000"
+ * --> lmb_add_region(rgn, base==0xb0000000, size==0x1000000) fails,
+ * boot output:
+ * ...
+ * Kernel image @ 0x71080000 [ 0x000000 - 0x60e628 ]
+ * ## Flattened Device Tree blob at 7a000000
+ * Booting using the fdt blob at 0x7a000000
+ * ERROR: reserving fdt memory region failed (addr=b0000000 size=1000000)
+ * Using Device Tree in place at 7a000000, end 7a00fbf0
+ *
+ * Starting kernel ...
+ * ...
+ */
+#define CONFIG_SYS_SDRAM_SIZE (0xb0000000 - CONFIG_SYS_SDRAM_BASE)
+
+#define CONFIG_SYS_MALLOC_LEN (32 * 1024 * 1024)
+
+#define BMP_LOAD_ADDR 0x78000000
+
+/* kernel load address */
+#define CONFIG_SYS_LOAD_ADDR 0x71080000
+#define INITRD_START 0x79000000
+#define KERNEL_DTB_ADDR 0x7A000000
+
+/*-----------------------------------------------------------------------
+ * High Level System Configuration
+ */
+/* Not used: not need IRQ/FIQ stuff */
+#undef CONFIG_USE_IRQ
+/* decrementer freq: 1ms ticks */
+#define CONFIG_SYS_HZ 1000
+
+/*-----------------------------------------------------------------------
+ * System initialize options (board_init_f)
+ */
+/* board_init_f->init_sequence, call arch_cpu_init */
+#define CONFIG_ARCH_CPU_INIT
+
+/*-----------------------------------------------------------------------
+ * Miscellaneous configurable options
+ */
+#ifdef CONFIG_SYS_PROMPT
+#undef CONFIG_SYS_PROMPT
+/* Monitor Command Prompt */
+#define CONFIG_SYS_PROMPT "nanopi2# "
+#endif
+
+/* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE 1024
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+/* max number of command args */
+#define CONFIG_SYS_MAXARGS 16
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+/*-----------------------------------------------------------------------
+ * allow to overwrite serial and ethaddr
+ */
+#define CONFIG_ENV_OVERWRITE
+
+#ifdef CONFIG_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
+#endif
+
+/*-----------------------------------------------------------------------
+ * Etc Command definition
+ */
+#undef CONFIG_BOOTM_NETBSD
+#undef CONFIG_BOOTM_RTEMS
+
+/*-----------------------------------------------------------------------
+ * serial console configuration
+ */
+#define CONFIG_PL011_CLOCK 50000000
+#define CONFIG_PL01x_PORTS {(void *)PHY_BASEADDR_UART0, \
+ (void *)PHY_BASEADDR_UART1, \
+ (void *)PHY_BASEADDR_UART2, \
+ (void *)PHY_BASEADDR_UART3}
+#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+/*-----------------------------------------------------------------------
+ * PLL
+ */
+#define CONFIG_SYS_PLLFIN 24000000UL
+
+/*-----------------------------------------------------------------------
+ * Timer
+ */
+#define CONFIG_TIMER_SYS_TICK_CH 0
+
+/*-----------------------------------------------------------------------
+ * BACKLIGHT
+ */
+#ifndef CONFIG_S5P4418_ONEWIRE
+#ifdef CONFIG_PWM_NX
+/* fallback to pwm */
+#define BACKLIGHT_CH 0
+#define BACKLIGHT_DIV 0
+#define BACKLIGHT_INV 0
+#define BACKLIGHT_DUTY 50
+#define BACKLIGHT_HZ 1000
+#endif
+#endif
+
+/*-----------------------------------------------------------------------
+ * SD/MMC
+ */
+#if defined(CONFIG_MMC)
+/* eMMC = 0, SD-card = 2 */
+#define CONFIG_SYS_MMC_DEV 2
+#define CONFIG_SYS_MMC_ENV_DEV CONFIG_SYS_MMC_DEV
+#endif
+
+/*-----------------------------------------------------------------------
+ * Default environment organization
+ */
+#if !defined(CONFIG_ENV_IS_IN_MMC) && !defined(CONFIG_ENV_IS_IN_NAND) && \
+ !defined(CONFIG_ENV_IS_IN_FLASH) && !defined(CONFIG_ENV_IS_IN_EEPROM)
+ /* default: CONFIG_ENV_IS_NOWHERE */
+ #define CONFIG_ENV_IS_NOWHERE
+ #define CONFIG_ENV_OFFSET 1024
+ #define CONFIG_ENV_SIZE (4 * 1024) /* env size */
+#endif
+
+/*-----------------------------------------------------------------------
+ * VIDEO
+ */
+
+#define CONFIG_VIDEO_LOGO
+
+#define CONFIG_SPLASH_SCREEN
+
+#ifdef CONFIG_VIDEO_LOGO
+
+#ifdef CONFIG_DM_VIDEO
+#define CONFIG_BMP_24BPP
+#endif
+
+#ifdef CONFIG_SPLASH_SCREEN
+#define CONFIG_SPLASH_SOURCE 1
+#define CONFIG_SPLASH_SCREEN_ALIGN 1
+#define SPLASH_FILE logo.bmp
+#endif
+
+#endif
+
+/*-----------------------------------------------------------------------
+ * ENV
+ */
+#define BLOADER_MMC \
+ "ext4load mmc ${rootdev}:${bootpart} "
+
+#ifdef CONFIG_OF_BOARD_SETUP
+#define EXTRA_ENV_DTB_RESERVE \
+ "dtb_reserve=" \
+ "if test -n \"$dtb_addr\"; then fdt addr $dtb_addr; fi\0"
+#else
+#define EXTRA_ENV_DTB_RESERVE \
+ "dtb_reserve=" \
+ "if test -n \"$fb_addr\"; then " \
+ "fdt addr $dtb_addr;" \
+ "fdt resize;" \
+ "fdt mk /reserved-memory display_reserved;" \
+ "fdt set /reserved-memory/display_reserved " \
+ "reg <$fb_addr 0x800000>;" \
+ "fi;\0"
+#endif
+
+#ifdef CONFIG_SPLASH_SCREEN
+#define EXTRA_ENV_BOOT_LOGO \
+ "splashimage=" __stringify(BMP_LOAD_ADDR)"\0" \
+ "splashfile=" __stringify(SPLASH_FILE)"\0" \
+ "splashpos=m,m\0" \
+ "fb_addr=\0" \
+ EXTRA_ENV_DTB_RESERVE
+#else
+ #define EXTRA_ENV_BOOT_LOGO EXTRA_ENV_DTB_RESERVE
+#endif
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "fdt_high=0xffffffff\0" \
+ "initrd_high=0xffffffff\0" \
+ "rootdev=" __stringify(CONFIG_ROOT_DEV) "\0" \
+ "rootpart=" __stringify(CONFIG_ROOT_PART) "\0" \
+ "bootpart=" __stringify(CONFIG_BOOT_PART) "\0" \
+ "kernel=zImage\0" \
+ "loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
+ "dtb_name=s5p4418-nanopi2-rev01.dtb\0" \
+ "dtb_addr=" __stringify(KERNEL_DTB_ADDR) "\0" \
+ "initrd_name=ramdisk.img\0" \
+ "initrd_addr=" __stringify(INITRD_START) "\0" \
+ "initrd_size=0x600000\0" \
+ "load_dtb=" \
+ BLOADER_MMC "${dtb_addr} ${dtb_name}; " \
+ "run dtb_reserve\0" \
+ "load_kernel=" \
+ BLOADER_MMC "${loadaddr} ${kernel}\0" \
+ "load_initrd=" \
+ BLOADER_MMC "${initrd_addr} ${initrd_name}; " \
+ "setenv initrd_size 0x${filesize}\0" \
+ "mmcboot=" \
+ "run load_kernel; run load_initrd; run load_dtb; " \
+ "bootz ${loadaddr} ${initrd_addr}:${initrd_size} " \
+ "${dtb_addr}\0" \
+ "bootcmd=run mmcboot\0" \
+ EXTRA_ENV_BOOT_LOGO
+
+#endif /* __CONFIG_H__ */
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