boot_c1.ini

# IMPORTANT:
# - Modifications to /boot/boot.ini will not be preserved on reboot.
# - Please ensure you edit from the DietPi-RAMdisk location: /DietPi/boot.ini

ODROIDC-UBOOT-CONFIG

setenv m "720p"

# HDMI DVI Mode Configuration
setenv vout_mode "hdmi"
# setenv vout_mode "dvi"
# setenv vout_mode "vga"

# HDMI BPP Mode
setenv m_bpp "16"

# HDMI Hotplug Force (HPD)
# 1 = Enables HOTPlug Detection
# 0 = Disables HOTPlug Detection and force the connected status
setenv hpd "0"

# CEC Enable/Disable (Requires Hardware Modification)
# 1 = Enables HDMI CEC
# 0 = Disables HDMI CEC
setenv cec "0"

# PCM5102 I2S Audio DAC
# PCM5102 is an I2S Audio Dac Addon board for ODROID-C1+
# Uncomment the line below to __ENABLE__ support for this Addon board.
# setenv enabledac "enabledac"

# UHS Card Configuration
# Uncomment the line below to __DISABLE__ UHS-1 MicroSD support
# This might break boot for some brand models of cards.
setenv disableuhs "disableuhs"

# Disable VPU (Video decoding engine, Saves RAM!!!)
# 0 = disabled
# 1 = enabled
setenv vpu "0"

# Disable HDMI Output (Again, saves ram!)
# 0 = disabled
# 1 = enabled
setenv hdmioutput "1"

# Default Console Device Setting
setenv condev "console=tty0 console=ttyS0,115200n8"

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

if test "${hpd}" = "0"; then setenv hdmi_hpd "disablehpd=true"; fi
if test "${cec}" = "1"; then setenv hdmi_cec "hdmitx=cecf"; fi

# Boot Arguments
setenv bootargs "root=/dev/mmcblk0p2 rootwait ro ${condev} no_console_suspend vdaccfg=0xa000 logo=osd1,loaded,0x7900000,720p,full dmfc=3 cvbsmode=576cvbs hdmimode=${m} m_bpp=${m_bpp} vout=${vout_mode} ${disableuhs} ${hdmi_hpd} ${hdmi_cec} ${enabledac}"

# Booting
fatload mmc 0:1 0x21000000 uImage
fatload mmc 0:1 0x22000000 uInitrd
fatload mmc 0:1 0x21800000 meson8b_odroidc.dtb
fdt addr 21800000

if test "${vpu}" = "0"; then fdt rm /mesonstream; fdt rm /vdec; fdt rm /ppmgr; fi

if test "${hdmioutput}" = "0"; then fdt rm /mesonfb; fi

bootm 0x21000000 0x22000000 0x21800000"