> I'm trying to get a ppc 831x to do PCIe dma transfers, PIO transfers
> work ok but are somewhat lethargic (partially due to the slave).
After much soul searching I've finally got it to work!
For the benefit of anyone else...
- The lowest address of the dma descriptor contains the 'command' bi
I'm trying to get a ppc 831x to do PCIe dma transfers, PIO transfers
work ok but are somewhat lethargic (partially due to the slave).
I've done the following:
- All reads/writes (including the dma descriptors) are byteswapped.
- Enabled the dma in PEX_CSB_CTRL (value 0x3f)
- Used the kernel physic