This is to align the implementation with upstream `linux-firmware`.
Instead of moving these firmware files to `brcm` subdirectory and changing
their names, leave them in `cypress` subdirectory, keep their names intact
and use symbolic links to provide compatibility with Broadcom FullMAC
driver.
This gives more context to where the firmware comes from.
Signed-off-by: Kuan-Yi Li <kyli@abysm.org>
Old firmware provided by 'cypress-firmware' suite is not sufficient for
AP6335 module used in PICO-PI-IMX7D board to probe successfully. Use the
upstream version from linux-firmware instead.
At the same time, drop the old firmware from 'cypress-firmware' package.
Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
- Binary files were renamed to cyfmac from brcmfmac, but the files needs
to be on the router with the previous naming
[ 6.656165] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[ 6.665182] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.bin failed with error -2
[ 6.674928] brcmfmac mmc1:0001:1: Falling back to sysfs fallback for: brcm/brcmfmac43455-sdio.bin
- Cypress were acquired by Infineon Technologies
Thus change the project URL and switch to download files from their
GitHub repository. This is much better than the previous solution, which
requires finding new threads on their community forum about new driver
updates, and it will be necessary to change the URL each time.
Unfortunately, it seems that there is not published changelog, but
according to this forum thread [1], be careful by opening the link from
solution since it contains ending bracket ), it brings fixes for various
security vulnerabilities, which were fixed in 7_45_234.
Fixes:
- FragAttacks
- Kr00k
Also add LICENSE file
Run tested on Seeedstudio router powered by Raspberry Pi 4 CM with
package cypress-firmware-43455-sdio.
Before:
root@OpenWrt:~# dmesg | grep 'Firmware: BCM4345/6'
[ 6.895050] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar 23 2020 02:20:01 version 7.45.206 (r725000 CY) FWID 01-febaba43
After:
root@OpenWrt:~# dmesg | grep 'Firmware: BCM4345/6'
[ 6.829805] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Apr 15 2021 03:03:20 version 7.45.234 (4ca95bb CY) FWID 01-996384e2
[1] https://community.infineon.com/t5/Wi-Fi-Bluetooth-for-Linux/Outdated-brcmfmac-firmware-for-Raspberry-Pi-4-in-OpenWrt-21-02-1/m-p/331593#M2269
Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>
There are linux firmwares packages for 43362, 43430 and 43455 which shouldn't
be installed at the same time as Cypress firmwares.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
