> >>Could you check, whether the patch to your driver (version > >>7433-3.2 of your > >>Linux support) still compiles on an Intel platform, and works > >>as intended? > >> > >Yep. I only did a quick test, but it appears to work fine on x86. > >I've merged your patch up with the code base for the next release. > > > Great! > > I don't know about x86 bus organization, but maybe it limits > the address > range for available addresses too strongly (on a single bus, > where the > Universe is on). Comparing how much window space you can map with the > old version and the new one on x86 could prove useful.
Your dead on right. I cannot allocate as much space. In fact, on a VMIVME-7750 I'm only able to allocate 768KB now vs. the ~2MB I could access before. > Adding the patch below activated correct behaviour for vme_peek/poke, > with correct data width (tested VME_D8, VME_D16 and VME_D32), and > without cache bursts. > > It simply sets the cache-inhibited and guarded bits before > remapping the pages (these flags are PowerPC-specific, and the > pci_mmap_page_range() function is sadly no exported kernel symbol). > > Would you again be so kind to run some "still works"-test on an > Intel board? That part still works. Thanks, Daniel L. Heater Software Development, Embedded Systems GE Fanuc Automation Americas, Inc. VMIC, Inc. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
