Wm3236AQ - AR6K kernel Driver
Arnaud Derasse
arnaud.derasse at wifidget.com
Thu Jul 10 16:40:27 CEST 2008
Hello,
I am working on a project that uses the same wifi chip as in you project
: the WM3236AQ from Accton.
We have some difficulties to make the linux driver working. Since Accton
advised us to use your driver at
http://svn.openmoko.org/developers/sameo/patches/ar6k-atheros-2.0/2.6.24/
I prefer ask questions on this mailing list.
Well, : We are using the last driver for WM3236AQ with Firwmare 2.0. The
driver initialisation fails first in the BMITargetInfo function in bmi.c
ar6000_available
BMI Write : Ask for Target Info
BMI Read : Read Target Version
Target Info Version : 0xFFFFFFFF
BMI Read : Read Target info bytecount
Target Info Byte Count : 0xA, host is 12
/home/wifidget/Work/Mx27ADS/kernels/linux-2.6-mx/drivers/sdio/function/wlan/ar6000/bmi/bmi.c:105:
Assertion targ_info->target_info_byte_count == sizeof(*targ_info) failed!
Kernel panic - not syncing: targ_info->target_info_byte_count
==sizeof(*targ_info)
This is the first problem, it's not blocking : This can be avoided by
commenting the ASSERT().
Then, we have the following :
BMI Get Target Info: Exit (ver: 0x40000039 type: 0x1) <<-- This is
correct according to Accton
Block Size Set: 128 (target address:0x8000066C)
BMI Communication timeout
Unable to write to the device
BMIWriteMemory for yield limit failed
Here is the real problem. The BMIWriteMemory fails after
BMI_COMMUNICATION_TIMEOUT Reads to the device.
The device always return 0 instead of returning the command credits
(0x01010101)
I don't understand why the device is not responding at this point.
If someone in your team worked on this driver, maybe he could help me.
Accton people don't know what could be the problem and I have no
documentation on the AR6K to be able to analyse the situation.
Thank you in advance,
Regards,
Arnaud Derasse
Intuitive Technologies SARL
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77447 Marne La Vallée Cedex
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