On Wed, Feb 22, 2006 at 01:14:11AM +0100, Johannes Berg wrote:
> 
> > When you have a new chip, how do you find out which Core is for what ?
>
> > bcm43xx: Chip ID 0x4312, rev 0x0
> > bcm43xx: Number of cores: 4
> 
> > bcm43xx: Unknown core found (ID 0x900)
> > bcm43xx: Unknown core found (ID 0x817)

0x817 is an USB 1.1 Host Core 
see http://bcm-specs.sipsolutions.net/core_information_registers

> > bcm43xx: Unknown core found (ID 0x820)
>
> That's interesting though. The 0x900 is probably a new chipcommon type
> or something (otherwise that CC core would be missing which is rather
> unlikely in such a new chipset).

We still have some gaps in the reverse engineered specs. And your chip 
(including 0x900 and 0x820 cores) seems to be one of these gaps. Sorry.

martin
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