Hi Timur, >> In either case, you would use the byte-conversion routines to >> serialize the descriptor entries in memory, or in the source buffer, >> into the correct endianness before performing enabling the DMA. > > Very true. However, this means that if the original data is in > the wrong endian, you have to have a middle layer that modifies > the data when copying from the source buffer to the DMA buffer. > This adds overhead.
This would be the key question for Vivek then. Does his highest volume data set have any endianness issues that need to be resolved? >> If Vivek's application correctly serializes any endian-specific >> data before using the MPC8349EA DMA controller, then he should >> have no issues. > > Yes, but it may take him weeks to find all the places in the where the > endianness matters. Indeed. Conversely, it may take months to get a little-endian PowerPC port working! :) Cheers, Dave ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users