On Wed, Feb 4, 2009 at 11:54, Hennerich, Michael wrote: >>where in the HRM do you see it saying "32-bit dma is not supported" ? > > I don't think it's explicitly written in the NFC chapter of the HRM. > But it's a matter of fact that the DMA DAB is 16-bit on BF52x. > > From the PHRM: > > "The 16-bit DMA Access Bus (DAB) connects the DMA controller to the > on-chip peripherals, PPI, SPI, Ethernet MAC, the SPORTs, NFC, > HOSTDP and the UARTs." > > 32-bit DMA won't work!
the sport controller supports 32bit dma (and our drivers are using it). same goes for ethernet mac. -mike _______________________________________________ Linux-kernel-commits mailing list [email protected] http://blackfin.uclinux.org/mailman/listinfo/linux-kernel-commits
