MVME5500 1 Gbit Ethernet update. It works ! (was Re: MVME5500 1 Gbit Ethernet no longer works)

[Kate Feng]

Hi all,

     I made a new update at the same site:
http://sourceforge.net/projects/rtemsdiscobsp4mvme5500mvme6100/?source=navbar

Cheers,
Kate Feng

On Wed, Aug 13, 2014 at 11:34 PM, Kate Feng <kate007.feng at gmail.com> wrote:

> Hi all,
>
>     The mvme5500 BSP is updated and tested on RTEMS4.10.2 to support the
> new 1 Gbit Ethernet interface chip: Intel 82545GM. It can be
> downloaded as mvme5500.tar.gz at
>
> http://sourceforge.net/projects/rtemsdiscobsp4mvme5500mvme6100/files/?source=typ_redirect
> The new support is added for the disco BSP as well for the RTEMS4.10.2.
> It can be downloaded as disco-1.2.tar.gz at the same URL.  Packed in
> the disco-1.2.tar.gz tarball,
> the code for mvme6100 was tested in RTEMS4.10.0 a while ago.  I
> currently do not have the board
> to test it for RTEMS4.10.2.
>
>     Cheers,
>     Kate Feng
>
> On Thu, Jan 16, 2014 at 11:44 PM, Kate Feng <kate007.feng at gmail.com>
> wrote:
> >
> >      In USA, the original version of mvme5500 is still available for
> purchasing.
> > I was in the process of adding the software support for the new NIC on
> > the mvme5500 board, then here is the discussion.....
> >
> >       According to the manufacture specification of the Discovery
> > system controllers (i.e. controllers for mvme5500 and mvme6100),
> >  "GPP interrupt value register" should be used to monitor the interrupts.
> > However,  Beatnik BSP uses the "GPP interrupt cause register" to
> > monitor the interrupts. I started to write a disco BSP to add supports
> > for discovery based boards such as mvme6100 to be run-time
> > compatible with the mvme5500 BSP that I wrote.
> >
> > 1) I prefer to follow the manufacture's specification.
> > 2) I read the code of the beatnik network drivers years ago.
> > The code for the 100 MHz NIC on mvme5500 and 1 GHz NIC
> > on mvme6100 was patched with workarounds.  If I recall
> > correctly, I tested the network performance of the beatnik BSP on the
> > 100 MHz NIC on an image processing application, it delivered only
> > 50% of performance as compared with that of the mvme5500 BSP.
> > I do not recall if I tested the performance of beatnik BSP on mvme6100.
> >
> > With the assigned tasks I had back then,
> > a) I needed to test the performance, especially that of the DMA,
> > on the mvme6100 without compromising its performance and the
> > code (i.e. no workarounds !!! ).
> > b) It is painless to add supports for other discovery based boards
> because
> > I had the mvme5500 BSP handy.
> >
> >    The mvme5500 BSP supports the operations at NSLS smoothly.  I never
> > needed to write any workarounds  in my applications, including the code
> > for DMA. If there were any bug in the applications, I could be so
> confident
> > that it was not due to the BSP.  The mvme6100 functions smoothly with the
> > disco BSP, too.  However, the performance delivered by the mvme5500 BSP
> > is fast enough for most of my applications.
> >
> > Cheers,
> > Kate Feng
> >
> >
> > On Thu, Jan 16, 2014 at 5:21 PM, Peter Dufault <dufault at hda.com> wrote:
> >>
> >> Till, does SLAC use a mixture of 5500 and 6100 painlessly with
> Beatnik?  I've told my client that uses the MVME5500 with Beatnik to get a
> 6100 in-house and test it out with their RTEMS software.  As long as things
> are changing on the MVME5500 (slower cache, different ethernet controller)
> they should evaluate using the 6100 instead (faster processor, two gig-E
> ethernets, etc) to see if that can be used on new systems and as a
> replacement part (with the replacement maybe tied to recent software
> releases, they can hoard the older boards for really old systems).
> >>
> >> On Jan 16, 2014, at 12:04 , Till Straumann <strauman at slac.stanford.edu>
> wrote:
> >>
> >> > FWIW: the driver I ported for the beatnik BSP is almost 10 years old
> >> > and it seems to support the 82545GM (IDs 0x1026, 0x1027, 0x1028).
> >> > You could use this BSP or you could also use the driver from the
> >> > libbsdport addon package (which is newer than the one in beatnik).
> >>
> >> Peter
> >> -----------------
> >> Peter Dufault
> >> HD Associates, Inc.      Software and System Engineering
> >>
> >>
> >> _______________________________________________
> >> rtems-users mailing list
> >> rtems-users at rtems.org
> >> http://www.rtems.org/mailman/listinfo/rtems-users
> >
> >
>
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