Good morning Chris, i will now try out libbsd on a MVME6100 (beatnik). Is the mentioned patch in git? Or do I have to prepare something special? Thanks Heinz
> On 21. Oct 2020, at 02:44, Chris Johns <chr...@rtems.org> wrote: > > On 21/10/20 2:52 am, Sebastian Huber wrote: >> On 20/10/2020 03:52, chr...@rtems.org wrote: >> >>> Tested on a MVME2700 (mvme2307) BSP: >>> >>> nexus0: <RTEMS Nexus device> >>> pcib0 pcibus 0 on motherboard >>> pci0: <PCI bus> on pcib0 >>> pci0: <bridge, HOST-PCI> at device 0.0 (no driver attached) >>> pci0: <bridge, PCI-ISA> at device 11.0 (no driver attached) >>> pci0: <mass storage, ATA> at device 11.1 (no driver attached) >>> pci0: <mass storage, SCSI> at device 12.0 (no driver attached) >>> pci0: <bridge> at device 13.0 (no driver attached) >>> pci0: <network, ethernet> at device 14.0 (no driver attached) >> Does this mean that the legacy x86 PCI bus driver works on this PowerPC >> board? >> Are there no big-endian vs. little-endian issues? > > It seems there are no issues with the limited testing I have performed. I have > not done extensive testing but the if_dc.c (tulip driver) does probe the bus > and > the correct device/vendor id is returned. The fact there currently is no > support > for the 21140 on the MVMEW2700 in the driver is different issue and not > related > to this patch. > > I had a detailed look at the few calls that are being made and everything > seems > to work as expected. There is a lot of hardware in the PCI bridges on these > boards to handle endian mapping. The same hardware set up is being used as > 4.10 > and legacy stack combination and that works. > > I suspect there may be changes needed in relation to resource allocations but > I > thought those can be in follow up patches. > > Chris > _______________________________________________ > devel mailing list > devel@rtems.org > http://lists.rtems.org/mailman/listinfo/devel
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