Commit Graph

4 Commits

Author SHA1 Message Date
Stijn Tintel
e9f9cd14cc bcm27xx: add support for Raspberry Pi Zero 2
Due to licensing uncertainty, we do not include the firmwares for the
wireless chips used in the Raspberry Pi Zero 2 W. To have working
wireless, follow the instructions below.

For people building their own images:

  mkdir -p files/lib/firmware/brcm
  wget -P files/lib/firmware/brcm/ https://github.com/RPi-Distro/firmware-nonfree/raw/bullseye/debian/config/brcm80211/brcm/brcmfmac43436-sdio.bin
  wget -P files/lib/firmware/brcm/ https://github.com/RPi-Distro/firmware-nonfree/raw/bullseye/debian/config/brcm80211/brcm/brcmfmac43436-sdio.txt
  wget -P files/lib/firmware/brcm/ https://github.com/RPi-Distro/firmware-nonfree/raw/bullseye/debian/config/brcm80211/brcm/brcmfmac43436s-sdio.bin
  wget -P files/lib/firmware/brcm/ https://github.com/RPi-Distro/firmware-nonfree/raw/bullseye/debian/config/brcm80211/brcm/brcmfmac43436s-sdio.txt

Now build the OpenWrt image as usual, and it will include the firmware
files in the correct location.

For people using ext4 images:

Write the ext4 image to the sdcard, then mount the 2nd partition and put
the firmware files from the links above in /lib/firmware/brcm relative
from the mount point where the partition is mounted.

For people using squashfs images:

Write the squashfs image to the sdcard, place it in the Raspberry Pi
Zero 2 W, boot it and wait for the overlay filesystem to be created.
Find the offset of the overlay filesystem in sysfs:

  # cat /sys/devices/virtual/block/loop0/loop/offset
  25755648

Shut down the device, unplug the power and move the SD card to a Linux
computer. Mount the 2nd partition of the sdcard as a loop device with
the offset found earlier.

  sudo mount /dev/sdh2 -o loop,offset=25755648 /mnt/temp

Put the firmware files from the links above in /upper/lib/firmware/brcm
relative to the mount point where the loop device is mounted.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
Tested-by: Peter van Dijk <peter@7bits.nl>
2022-07-01 12:56:56 +03:00
Álvaro Fernández Rojas
e508323b13 bcm27xx: diag.sh: fix whitespace
No idea how this ended up here...

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-19 19:32:37 +02:00
Álvaro Fernández Rojas
5bab472a11 bcm27xx: add diag LEDs
We can now use the power LED for diag in more devices thanks to the latest
patches from the RPi foundation.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-19 08:09:11 +01:00
Adrian Schmutzler
7d7aa2fd92 brcm2708: rename target to bcm27xx
This change makes the names of Broadcom targets consistent by using
the common notation based on SoC/CPU ID (which is used internally
anyway), bcmXXXX instead of brcmXXXX.
This is even used for target TITLE in make menuconfig already,
only the short target name used brcm so far.

Despite, since subtargets range from bcm2708 to bcm2711, it seems
appropriate to use bcm27xx instead of bcm2708 (again, as already done
for BOARDNAME).

This also renames the packages brcm2708-userland and brcm2708-gpu-fw.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-02-14 14:10:51 +01:00