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3 Commits (02b5ce82ad4e3e92a802c0529e6128bd2a78c214)

Author SHA1 Message Date
Lars-Peter Clausen 4062aa2860 util_axis_fifo: Fix reset signal 
Some of the synchronizers were using the wrong reset signal, fix this.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
 2015-04-15 17:20:11 +02:00
Lars-Peter Clausen 762fa3290b util_axis_fifo: Add room and level outputs 
Add a room output on the input side that reports how many free entries the
FIFO has and a level output on the output side that reports how many valid
entries are in the FIFO.

Note that the level output is only accurate if the output of the FIFO is not
registered, otherwise it might be off by one.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
 2015-04-15 17:20:09 +02:00
Lars-Peter Clausen f6594e276e Bring back AXIS FIFO as a separate module 
Bring back the AXIS FIFO as a separate module instead of embedding it into
the DMAC module. This makes it possible to use it in other modules outside
of the DMAC.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
 2015-04-15 17:20:06 +02:00