ISA dma on 4xx
Paul Mackerras
paulus at samba.org
Thu Dec 5 14:36:38 EST 2002
Is anyone using a pc-style southbridge chip in a 4xx-based system?
I am thinking that the split that we currently have in linuxppc-2.5,
where asm/dma.h includes either ppc4xx_dma.h or ppc_isa_dma.h, is not
the best way to do things, because we might want to use the ISA dma
functions on a 4xx system.
Does anyone use the 4xx dma controller with some device that is
normally connected to an ISA bus? That is, is there a need for the
4xx dma functions to provide the same interface as the ISA dma
functions?
Paul.
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