Re: [Sdio-linux-devel] Firmware

[Paul L. <pl...@at...>]

=20
The firmware for the Ar6001 resides on the target device. It is not=20
downloaded and there is no requirement for a HAL. To support the MX31=20
you would write a Host Controller Driver(HCD) for the MX31 SDIO host=20
controller hardware. There are numerous samples of HCDs as well as a=20
section of the documentation that describes HCDs and the APIs used by=20
them.

Regards

Paul
-----Original Message-----
From: tho...@bt... [mailto:tho...@bt...]=20
Sent: Thursday, March 15, 2007 4:58 AM
To: sdi...@li...
Subject: [Sdio-linux-devel] Firmware

I've looked though the bulletin for the AR6001, which shows the device=20
having an "Integrated RISC processor". Presumably this processor must=20
run some firmware. Is the firmware contained in the onboard flash? I=20
can't seem to find anywhere in the ar6000_wlan patch which downloads=20
firmware into the device. The bulletin also seems to indicate the=20
firmware is based around eCos. I know this has a BSD-type licence, but=20
is the source available at all? The bulletin seems to imply it is.

Am I right in thinking this driver is completely open source? It doesn't=20
need a binary HAL like the AR500x drivers do?

I am hoping this could be interfaced to a Frescale i.MX31 application=20
processor. I've not even started looking at how compatible the MX31's=20
SDIO kernel module is to this SDIO stack. I'm hoping that I could port=20
this stack to use the MX31's SDIO interface. If I'm honest, I'm less=20
than clueless at the moment as I have only just started looking into=20
this. Any information you could give me would be greatly appreciated.



Cheers,

Tom


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