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回复： Re: Re: Intel LXT971
- From: hui liu <fubaiqun1 at yahoo dot com dot cn>
- To: yh at bizmail dot com dot au
- Cc: ecos-discuss at ecos dot sourceware dot org
- Date: Thu, 20 Apr 2006 21:21:03 +0800 (CST)
- Subject: [ECOS] 回复： Re: [ECOS] Re: Intel LXT971
Maybe you should change some lines in your codes
because of the contorl register differences between
RTL820 and LXT971.You can find in their documents.
--- yh@bizmail.com.au写道:
> Thanks Gary. It is actually a ship set from Intel
> LXT971ABE A4 L549ID42.
> The Ethernet of our board worked when the RTL820 was
> used, but now the
> redboot cannot connect to the network since
> replacing to Intel LXT971.
> Sorry, I am new to the redboot. I thought to get
> some advices from experts
> on this list before plunging into the debug. Any
> more information and
> helps would be great appreciated.
>
> Thank you.
>
> Jim
>
> > On Thu, 2006-04-20 at 11:36 +1000,
> yh@bizmail.com.au wrote:
> >> Hello,
> >>
> >> Does current redboot (ecos version 2.0) support
> Intel Ethernet chipset
> >> LXT971?
> >
> > eCos 2.0 is nearly 4 years old - hardly current.
> >
> > The LXT97x is an ethernet PHY (which is just the
> physical layer
> > used by some ethernet chips). Normally, there is
> little (or nothing)
> > required to control these devices - they just do
> their job. They do
> > have a control interface whereby you can set the
> hardware bit rate,
> > e.g. 100Mb or 10Mb, detect the presence of a
> carrier/cable, etc.
> > They are not [directly] responsible for passing
> ethernet data, that
> > job is handled by some other device.
> >
> > You need to figure out what the actual ethernet
> device is; depending
> > on the platform, this may be a separate device
> like an 82559 chip,
> > etc, or it may be builtin to the CPU (SOC), e.g.
> on the XScale devices.
> >
> > --
> >
>
------------------------------------------------------------
> > Gary Thomas | Consulting for the
> > MLB Associates | Embedded world
> >
>
------------------------------------------------------------
> >
> >
>
>
>
> --
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