Hi Arend,
Le mar. 22 nov. 2022 à 20:35:41 +0100, Arend van Spriel
<arend.vanspriel@xxxxxxxxxxxx> a écrit :
On 11/22/2022 12:06 AM, Paul Cercueil wrote:
Hello,
As a week-end project I got the BCM4330 chip to work with the
mainline Linux kernel on the MIPS CI20 board. One of the problems I
was facing was the firmware crashing, resulting in timeout errors
in the brcmfmac driver.
It turns out the bcm4330-sdio.bin firmware that's currently in
linux-firmware is not the latest one. Running "strings" on the blob
points out to a version 5.90.125.104 dated 2011-10-25. The firmware
that originally came on the CI20 is version 5.90.195.26 dated
2012-05-09, and the version found in Android [1] is 5.90.195.114
dated 2013-01-23. Only the last two will work on the CI20 board.
My question then, could we bump the firmware available in
linux-firmware to the latest version? Or is there a valid reason
why an older firmware is kept in the tree?
We "Broadcom" could. The linux-firmware repo provides all firmware
that linux distro can freely redistribute. The license info is listed
in the README in the repo as are the applicable firmware license
documents. So releasing the firmware to linux-firmware under the
given license can only be done by anyone owning it, not by people
licensed to use it.
I actually did not know this.
The bcm4330 chip was one of the first chips that brcmfmac supported
and Broadcom has EOL-ed that chip a long time ago hence no newer
firmware was considered for release to linux-firmware. In the past we
often re-released what was available in Android so we probably can do
that again for this and other chips.
This would be great.
Cheers,
-Paul
