Trying a Promise Ultra/66 on powerpc

Michel Lanners mlan at
Tue Aug 10 06:06:15 EST 1999

Hi all,

On   9 Aug, this message from Tom Rini echoed through cyberspace:
> On Mon, 9 Aug 1999, Paul Mackerras wrote:
>> There's no problem about enabling both cmd646 and ide-pmac with the
>> current vger sources, is there?  You do need to select experimental
>> drivers as well as "Generic PCI IDE chipset support"
>> (CONFIG_BLK_DEV_IDEPCI) and "Generic PCI bus-master DMA support"
>> (CONFIG_BLK_DEV_IDEDMA) before you get asked about the CMD646, though.
> Right, the problem comes from enabling CMD646 but not ide-pmac.  Right now
> to use any IDE chipset on a pmac, you need to say yes to "Builtin PowerMac
> IDE support" and whichever chipset you have (to boot at least, I'll check
> being able to use it once I can boot off something else, but it sounds
> like there might be a problem there as well).

On my box, the kernel panics on IDE initialization if I don't enable
builtin PowerMac IDE. There's no problem compiling the kernel, though...
and I haven't had time to trace the problems. Might be a missing
function definition (although linker should catch that?) or an
undefined constant? Or the uninitialized ppc_ide_md array?


Michel Lanners                 |  " Read Philosophy.  Study Art.
23, Rue Paul Henkes            |    Ask Questions.  Make Mistakes.
L-1710 Luxembourg              |
email   mlan at            |        |                     Learn Always. "

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