Linux + u-boot port to MT6235

historical

For my part I am totally impressed by the PCB layers images. How do you get
them? just grinding with fine sandpaper and a lot of patience, or do you
have a machine?

Sebastien

On Tue, Nov 9, 2010 at 8:24 AM, Harald Welte <laforge at gnumonks.org> wrote:

> Hi Wolfgang,
>
> thanks a lot for your support, including the teardown, PCB layer
> photographs,
> schematics, etc.
>
> I think this really is getting into shape now and we have a much better
> base
> from where to work on actual software for MT6235 based phones.
>
> My biggest concerns at the moment are that all of the peripheral data
> sheets
> are electrical data sheets only and MTK never documents the register set of
> e.g. the MT6140 (RF transceiver), MT6601 (bluetooth), MT6188 (fm radio),
> wifi, etc.
>
> This means a lot of unneccessary reverse engineering unless we can find an
> alternative source for this kind of information.  I'm less worried about
> bluetooth or FM radio.  The GSM RF transceiver is probably possible to
> reverse
> engineer from the test mode + 3wire protocol sniffing, but wifi e.g. is
> defnitely too complex to do a 100% reverse engineered driver for...
>
> > But I don't even have links to the 6235 or 6140 datasheets right now...
>
> The links I know only go to 52RD BBS and similar sites, where you cannot
> download without an account.  I have an account, but we don't want to put
> them
> in the wiki publicly ;)
>
> --
> - Harald Welte <laforge at gnumonks.org>
> http://laforge.gnumonks.org/
>
> ============================================================================
> "Privacy in residential applications is a desirable marketing option."
>                                                  (ETSI EN 300 175-7 Ch. A6)
>
>
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