buildroot/board/hardkernel/odroidc2/boot.ini

ODROIDC2-UBOOT-CONFIG

# HDMI mode
setenv m "1080p60hz" # Progressive 60Hz

# HDMI BPP Mode
setenv m_bpp "32"

# HDMI HotPlug Detection control
# Allows you to force HDMI thinking that the cable is connected.
# true = HDMI will believe that cable is always connected
# false = will let board/monitor negotiate the connection status
setenv hpd "true"

# Default Console Device Setting
setenv condev "console=ttyS0,115200n8"	# Serial Console

# Meson Timer
# 1 - Meson Timer
# 0 - Arch Timer
# Using meson_timer improves the video playback whoever it breaks KVM (virtualization).
# Using arch timer allows KVM/Virtualization to work however you'll experience poor video
setenv mesontimer "1"

# Server Mode (aka. No Graphics)
# Setting nographics to 1 will disable all video subsystem
# This mode is ideal of server type usage. (Saves ~300Mb of RAM)
setenv nographics "0"

###########################################

# Boot Arguments
setenv bootargs "root=/dev/mmcblk0p2 rootwait ro ${condev} no_console_suspend hdmimode=${m} m_bpp=${m_bpp} vout=${vout} fsck.repair=yes net.ifnames=0 elevator=noop disablehpd=${hpd}"

# Load Images
setenv loadaddr "0x11000000"
setenv dtb_loadaddr "0x10000000"
fatload mmc 0:1 ${loadaddr} Image
fatload mmc 0:1 ${dtb_loadaddr} meson64_odroidc2.dtb

if test "${mesontimer}" = "0"; then fdt rm /meson_timer; fdt rm /cpus/cpu@0/timer; fdt rm /cpus/cpu@1/timer; fdt rm /cpus/cpu@2/timer; fdt rm /cpus/cpu@3/timer; fi
if test "${mesontimer}" = "1"; then fdt rm /timer; fi

if test "${nographics}" = "1"; then fdt rm /reserved-memory; fdt rm /aocec; fi
if test "${nographics}" = "1"; then fdt rm /meson-fb; fdt rm /amhdmitx; fdt rm /picdec; fdt rm /ppmgr; fi
if test "${nographics}" = "1"; then fdt rm /meson-vout; fdt rm /mesonstream; fdt rm /meson-fb; fi
if test "${nographics}" = "1"; then fdt rm /deinterlace; fdt rm /codec_mm; fi

# Booting
booti ${loadaddr} - ${dtb_loadaddr}