Re: RTEMS-mvme5500 BSP update

[Kate Feng <feng1@bnl.gov>]

Sorry.  Here is the attachment.  Kate

Kate Feng wrote:
> Joel Sherrill wrote:
> > Any chance of getting a patch to apply to the
> > RTEMS source base?
> The attached mvme5500-patch.tar.gz  contains two files :
> mvme5500-rtems4.8.0-2009319.diff
> mvme5500-rtems4.9.1-20090319.diff
>
> I tried to file a PR, but it seems that there are some problems
> with the bug tracking system : bugzilla.  I could not even view
> https://www.rtems.org/bugzilla/show_bug.cgi?id=1385
> It was OK last week, though.
> Kate
>
> > --joel sherrill
> > RTEMS
> >
> > Kate Feng wrote:
> > > Hi,
> > >
> > > The stable version of RTEMS-mvme5500 BSP is posted at
> > > http://www.nsls.bnl.gov/facility/expsys/software/EPICS/
> > > The "RTEMS-mvme5500 BSP v1.4.9.1", was tested
> > > under RTEMS 4.9.1, and the "RTEMS-mvme5500 BSP v1.4.8.0"
> > > was tested under RTEMS 4.8.0..
> > >
> > > The highlights of the change are :
> > >
> > > 1)  Use the GT_GPP_Value register (0xf104) instead of the
> > > GT_GPP_Interrupt_Cause register (0xf108) to monitor the cause
> > > of the level sensitive interrupts. See irq/BSP_irq.c.
> > > This is an unique solution which solves part of the bugs in
> > > the BSP, which especially affects the 1GHz network driver.
> > >
> > > 2) There is no change in the 100 MHz network driver. Thus,
> > > its performance stays the same.  Some bugs were fixed in the
> > > 1GHz network drivers (e.g. if_wm.c).
> > >
> > > 3)Enable "PCI Read Agressive Prefetch", "PCI Read Line Agressive 
> > > Prefetch",
> > > and "PCI Read Multiple Agressive Prefetch" to improve the 
> > > performance of
> > > the PCI based applications (e.g. 1GHz network driver). See 
> > > pci/pci_interface.c.
> > > However, performance is driven by applications.
> > >
> > > There is no known bug at this point.  Any feedback which is related to
> > > the RTEMS-mvme5500 BSP would be highly appreciated.
> > >
> > > Hope this helps,
> > > Kate
> > >
> > >
> > >
> > > _______________________________________________
> > > rtems-users mailing list
> > > rtems-users@rtems.com
> > > http://rtems.rtems.org/mailman/listinfo/rtems-users
> > >

Attachment: mvme5500-patch.tar.gz
Description: GNU Zip compressed data