On Thu, Mar 5, 2015 at 2:43 PM, Torfinn Ingolfsen
<[email protected]> wrote:
> On Thu, 5 Mar 2015 08:02:57 -0800
> Maksim Yevmenkin <[email protected]> wrote:
>
>> On Wed, Mar 4, 2015 at 11:19 PM, Iain Hibbert <[email protected]> wrote:
>> > On Wed, 4 Mar 2015, maksim yevmenkin wrote:
>> >
>> >> >> looking for. of course, like i mentioned before, you need to hack
>> >> >> something to load firmware. older Broadcom chips can be loaded with
>> >> >> bcmfw(8). so its a good place to start.
>> >> >
>> >> > If I understand this correctly, bcmfw(8) needs ubtbcmfw(4) to be able 
>> >> > to download firmware?
>> >>
>> >> You might be able to use ugen.
>
> Ok, I didn't think of that.
> A quick hack on a copy of bcmfw, and I have this:
> removed the check for '-m':
> tingo@kg-core1$ ~/work/bcmfw/bcmfw -n ugen3.3 -f 
> ./Win32/BCM20702A1_001.002.014.0889.0927.hex
> bcmfw[45566]: Unsupported device, VendorID=0x50d, ProductID=0x65a

can you please tell which copy is it? netbsd or freebsd one?


> that is as should be - cool.
> Next, I add the correct VendorID and ProductID, and comment out the 
> mini-driver download part.
> Now I get this:
> tingo@kg-core1$ ~/work/bcmfw/bcmfw -n ugen3.3 -f 
> ./Win32/BCM20702A1_001.002.014.0889.0927.hex
> bcmfw[45611]: Could not open(/dev/ugen3.3.1). No such file or directory (2)
> Hmm, change BCMFW_INTR_EP to 0 (zero) then.

...hmm....

> tingo@kg-core1$ ~/work/bcmfw/bcmfw -n ugen3.3 -f 
> ./Win32/BCM20702A1_001.002.014.0889.0927.hex
> bcmfw[45673]: Could not open(/dev/ugen3.3.0). No such file or directory (2)

yes, that's not going to work, i think...

> Ok, I'm doing things I don't know here, but dump current description says (in 
> part)
> root@kg-core1# usbconfig -d ugen3.3 dump_curr_config_desc
> ugen3.3: <BCM20702A0 Broadcom Corp> at usbus3, cfg=0 md=HOST spd=FULL 
> (12Mbps) pwr=ON (100mA)

...

i think you need to use libusb. here some linux python code that might
be of some help

https://github.com/Dolnor/DELL-SCT-Support/blob/master/Clover/OEM/Wireless/SLE/BTFirmwareUploader.kext/Contents/Resources/bcmfwup.py

thanks,
max
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