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SubjectRe: [ANN] Atheros 802.11n USB firmware source code released
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On Sun, 2009-06-07 at 11:43 +0200, Johannes Berg wrote:
> On Sun, 2009-06-07 at 03:21 +0300, Maxim Levitsky wrote:
>
> > > Is this source for same firmware that was closed?
>
> Yes, but it was compiled differently afaik so you won't arrive at the
> same binary.
>
> > > Will AP mode work in future?
>
> Well, not TYPE=AP, but we'll integrate whatever is necessary into one
> firmware, I expect. It shouldn't be very hard given that AP mode really
> works with the TYPE=STA firmware already, almost.
>
> > What does this mean:
> >
> > eeprom : ORIGIN = 0x000000, LENGTH = 1024k
> >
> >
> > Does the device have whole 1M of eeprom?
> > What is there?
>
> The eeprom is mapped there, but I don't think it's 1M, it's just the max
> size of the mapping to the CPUs address space.
Fine, like I expected, but still, I guess there is some 'loader' in
eeprom?



>
> > Also what is this:
> >
> > sram : ORIGIN = 0x100000, LENGTH = 64k
>
> This is just memory. It's used for buffering frames and dma descriptors
> etc. internally. I want to change the code to do this with the linker
> script rather than manually assigning addresses in the source. But if
> you grep for this address you'll find how it's used.
Great.


>
> > Description says that pram is 32K, but:
> >
> > pram : ORIGIN = 0x200000, LENGTH = 16k
>
> Yeah, we're not exactly sure about this yet, but using 32k definitely
> crashes the device.
Thats fine too.


If there were a documentation too.
Isn't it possible to publish it?

This firmware contains so many 'magic' registers.

Best regards,
Maxim Levitsky



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