Messages in this thread | | | Subject | Re: New resources - pls, explain :-( | From | Jes Sorensen <> | Date | 14 Aug 1999 10:43:54 +0200 |
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>>>>> "Peter" == Peter Desnoyers <pjd@fred001.dynip.com> writes:
Peter> I'm assuming that there are no PCI devices where device Peter> registers are always big-endian. (is that true for all weird Peter> Mac cards?) Handling of cases is:
There are cards where this is that case and for frame buffer memory it is certainly a valid case.
Peter> 3,4. The driver sets the swapping inside an #ifdef BIGENDIAN Peter> when first setting up the hardware, and then uses Peter> native_readl/native_writel.
These are the only cases where we are interested in bigendian_writel - PCI defaults to little endian and unless you have special handling in the cards and you have a reson to use it one should stay with the little endian defaults.
Jes
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