* https://en.opensuse.org/HCL:Raspberry_Pi4
  * https://download.opensuse.org/ports/aarch64/tumbleweed/appliances/openSUSE-Tumbleweed-ARM-JeOS-raspberrypi.aarch64.raw.xz
  * https://download.opensuse.org/ports/aarch64/tumbleweed/appliances/openSUSE-Tumbleweed-ARM-JeOS-raspberrypi.aarch64.raw.xz.sha256

  sudo -e '/boot/efi/extraconfig.txt'

<code>
# Disable
dtoverlay=disable-bt
dtoverlay=disable-wifi
disable_splash=1

# Tweaks
arm_boost=1
force_turbo=1
over_voltage=15
arm_freq=2100
core_freq=250
max_usb_current=1

# rpi-eeprom-update
dtparam=spi=on
dtoverlay=audremap
dtoverlay=spi-gpio40-45

# End</code>

  sudo '/usr/bin/rpi-eeprom-config' -e

<code>
[all]
BOOT_UART=0
WAKE_ON_GPIO=0
POWER_OFF_ON_HALT=1
NET_INSTALL_AT_POWER_ON=0</code>

  sudo zypper install 'flashrom'

  RPI_EEPROM_USE_FLASHROM='1' '/usr/bin/rpi-eeprom-update'