The CM4 IO Board is equipped with an on-board RTC connected over I2C,
and has USB 2.0 host ports.
This commit loads the appropriate overlays to enable both. The USB 2.0
interface is by default disabled on CM4 to reduce the power
consumption so it needs to be explicitly enabled on the CM4 IO Board
to use the USB ports.
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Try to be less smart (focused on the one target/one use-case),
instead reduce the rpi-firmware package to a selectable list
of (verbatim) installed firmware files.
- change rpi-firmware config handling from rpi-variant/rpi-flavour
choices to bootcode.bin, pi-default/-extended/-cut-down and
pi4-/default/-extended/-cut-down selection
- add BR2_PACKAGE_RPI_FIRMWARE_CONFIG_FILE option to select installable
config.txt file
- remove config.txt modify code/handling from raspberry post-image.sh
script
- add different customized config.txt files to the raspberry board
section
- change dtoverlay krnbt from 'dtoverlay=miniuart-bt,krnbt=on' to extra line
with explanation comment
- change raspberry defconfigs to select appropiate rpi-firmware
and config.txt files
- change genimage-raspberrypi4.cfg/genimage-raspberrypi4-64.cfg to
use start4.elf and fixup4.dat
- update board/raspberrypi/readme.txt (add optional files fixup4.dat,
start4.elf and zImage)
With this changes a better support for custom use-cases should
be possible, specially multi-target SD cards as suggested by
Stefan Agner ([1]).
[1] http://lists.busybox.net/pipermail/buildroot/2021-February/303318.html
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
[yann.morin.1998@free.fr: fix case of no config.txt provided]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
