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# How to apply a specific version of the EEPROM boot loader manually.
# This is useful to switch back-and-forth during Slackware development of this
# package.
# Ref: https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#raspberry-pi-4-boot-eeprom

cd /usr/share/hwm-bw-raspberrypi/eeprom-firmware/bootloader/stable
rpi-eeprom-update -d -f pieeprom-2022-12-07.bin
reboot
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Editing the EEPROM boot loader config:

 https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#editing-the-configuration

 POWER_OFF_ON_HALT
 WAKE_ON_GPIO

Show what your current config is:
vcgencmd bootloader_config

rpi-eeprom-config --out blconfig.conf

WAKE_ON_GPIO=0
POWER_OFF_ON_HALT=1

rpi-eeprom-update -a blconfig.conf

This will prevent a power button added to the GPIO pins from rebooting, flip flops it basically
but if you just have the power supply directly plugged in, it reboots as normal, even with the power supplies that have a switch