DMA is only used for reading because writing seems to be slower with DMA.
Only requests which are cacheline aligned (16 bytes) will use DMA, so many
requests will still use PIO at this point; a later change will align more
reads.
Part of FS#9708, original DMA code by Boris Gjenero (dreamlayers).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24405 a1c6a512-1295-4272-9138-f99709370657
general glitchiness in playback. Based on the patch in FS#7510 by Jordan
Anderson.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15705 a1c6a512-1295-4272-9138-f99709370657
Also add PortalPlayer SoC version to the HW info debug screen.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12575 a1c6a512-1295-4272-9138-f99709370657