tree 40f9f39d38326c498ea5f3d63cd2c1e059b8bf21
parent 7a7a430f7498cd55820232d8e3f144161138f91a
author Steven Miao <realmz6@gmail.com> 1304576088 +0800
committer Mike Frysinger <vapier@gentoo.org> 1306326254 -0400

Blackfin: work around anomaly 05000480

Anomaly 05000480 on BF537 rev 0.0, 0.1, 0.2:
Multiple Simultaneous Urgent DMA Requests May Cause DMA System Instability

Suggested Workaround:
Program the DMA Traffic Control Period to a non-zero value.  This forces
the DMA block to group accesses together rather than allow arbitration for
each piece of data placed on the internal DMA bus.

Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>