Messages in this thread | | | Subject | Re: reserve legacy io regions on powermac | From | Benjamin Herrenschmidt <> | Date | Wed, 21 Jul 2004 10:51:07 -0400 |
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On Wed, 2004-07-21 at 05:12, Olaf Hering wrote: > Anton pointed this out. > > ppc32 can boot one single binary on prep, chrp and pmac boards. > pmac has no legacy io, probing for PC style legacy hardware leads to a > hard crash. > Several patches exist to prevent serial, floppy, ps2, parport and other > drivers from probing these io ports. > I think the simplest fix for 2.6 is a request_region of the problematic > areas. > PCMCIA is still missing. > I found that partport_pc.c pokes at varios ports, without claiming the > ports first. Should this be fixed? > smsc_check(), winbond_check(), winbond_check2()
Note that this is still all workarounds... Nothing prevents you (and some people actually do that) to put a PCI card with legacy serial ports on it inside a pmac....
Ben.
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