ar6000 and other SDIO/SDCard Wireless

OMAP3 vincent.del.medico at
Tue Aug 18 07:26:54 CEST 2009

Hi rob,
Openmoko's version of AR6k driver is for cards with 2.x firmware.
You seem to have a 1.x version ( BMI Get Target Info: Exit (ver: 0x1302270f
type: 0x1) ), which is not compatible with 2.x.
I faced the same problem as you before, except I was playing with the OMAP
processor ( TI ).
I can give you the job I did, but it only works in some conditions :
- your MMC/SD/SDIO driver must NOT use DMA transfers. The 32bit ARM core
only supports transfers of data multiple of 4 bytes, but the AR6k driver
sometimes sends data of 1, 2 or 3 bytes, resulting in DMA misaligned errors.
I've not been able to solve this problem, it could be nice to investigate.
- the driver works with a real MMC/SD/SDIO driver ( not SPI )...
nevertheless, it maybe in SPI, but didn't tested.

Robert Emanuele wrote:
> Greetings,
> I've been toying with your port of the ar6000 driver with my atmel
> at91 processor.
> It tries to initialize the card but fails....
> ar6000_available
> BMI Get Target Info: Exit (ver: 0x1302270f type: 0x1)
> Block Size Set: 128 (target address:0x8000066C)
> ar6000_init() Got WMI @ 0xc3a37d60.
>  Timeout waiting for recv message
>  Target Not Available!!
> ar6000_avail: register_netdev failed
> +ar6000_destroy
> ar6000_cleanup(): WMI not ready 0xc3a322c0 0xc3a37d60
> ar6000_cleanup(): Shut down WMI
> eth0: link up (100/Full)
>  Attempting to reset target on instance destroy....
> -ar6000_destroy
> In an earlier post I saw that this firmware version may be too old.
> I've tried cards from 3 different vendors and the newest version I can
> come up with is 0x17 (which is on the way).  Does anyone know the
> differences between 1.3 and the version that works with this driver?
> How do the CE guys get this to work?  Or, does anyone know of a vendor
> that sells an ar6000 with the latest firmware in an SD Card package?
> Thanks,
> Rob

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