Just to confirm adm6996fc is similar to adm6996m or adm6996f. On Fri, Apr 1, 2011 at 5:34 PM, David Goodenough < david.goodeno...@linkchoose.co.uk> wrote:
> On Friday 01 April 2011, Peter Lebbing wrote: > > On 01/04/11 03:27, Yeoh Chun Yeow wrote: > > > Ok I found the script. > > > > > > read-all-adm output attach. > > > > Thanks very much. It's not vital, but if you still have the setup ready, > > could you remove the VLAN related config from your /etc/config/network > and > > run the script again? It would be helpful if the driver didn't configure > > VLANs before running the register dumping script. > > > > Other than that, I've had a quick look, and it doesn't make me happy. > First > > and foremost, the product ID for the FC and M chips is identical down to > > the last bit! They reserve a whopping 32 bits for a "Chip Identifier" and > > still they both read 0007:1023! So there doesn't seem to be a standard > way > > to tell the chips apart. > Well I suppose if all else fails it will have to be a module parameter, but > that would definitely be second best. > > David > > > > And they do seem to differ, which makes sense. There is a lot in common. > I > > could really use the datasheet for the -FC variant, but all the so-called > > datasheets for that chip I've found describe a completely different > > device. > Its a shame that Ubiquiti, who after all ship Openwrt with their board, can > not be prevailed upon to provide some information. > > Over time I have accumulated three adm6996 datasheets, one for the L > variant, > one for M and one for F (but not FC). The M one is vast (7MB), but the F > is small (700K) and the L 1.7M. I can email them to you direct if you want > as I suspect the list would not appreciate them being broadcast. I have > no idea where I got them from although none are marked confidential so they > should be freely distributable. > > David > > > > I even get the impression that the values read from your chip aren't the > > power-on-reset default values. Perhaps there's an EEPROM attached with > > settings specific to your router. > > > > I do see one possibility for hope. Maybe Infineon at some point stopped > > producing the real FC variant described in those datasheets I found, and > > from then on simply relabeled their M chip and sold that as the FC > > variant. Discrepancies in default values could be explained by an EEPROM > > with router-specific settings. > > > > Thanks for your help, > > > > Peter. > >
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