Alan Cox wrote: >> We can't make the controller TRULY legacy since there is not any good way >> of mapping the IDE/BMDMA registers into the lower kilobyte or so of >> memory - obviously PPC has no "io address space", it's all memory mapped, >> so the lower kilobyte of "IO ports" is really the CPU zero page. It's not >> a good idea to be poking around just there and we never intended that to work. > > The right way to do this IMHO is still to use the PCI quirk side logic. > Unfortunately to put your legacy ports at different I/O addresses you > need changes which are still pending to the libata-sff code so that it > stops using the hardcoded ATA_PRIMARY_FOO bits. We can't move the IO ports. They're stuck in the PCI BAR. All we can do is fix the IRQ steering in the "ISA bridge" to report a single IRQ instead of two. -- Matt Sealey <matt@xxxxxxxxxxxxxx> Genesi, Manager, Developer Relations - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
