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link/cont: improve timing

This commit is contained in:
Florent Kermarrec 2015-01-16 18:13:07 +01:00
parent 1170a1070b
commit 7ccc5f5274
1 changed files with 3 additions and 3 deletions
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6
lib/sata/link/cont.py
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@ -14,6 +14,7 @@ class SATACONTInserter(Module):
is_data = Signal()
was_data = Signal()
was_hold = Signal()
change = Signal()
self.comb += is_data.eq(sink.charisk == 0)
@ -27,11 +28,10 @@ class SATACONTInserter(Module):
If(~is_data,
last_primitive.eq(sink.data),
),
was_data.eq(is_data)
was_data.eq(is_data),
was_hold.eq(last_primitive == primitives["HOLD"])
)
]
was_hold = last_primitive == primitives["HOLD"]
self.comb += change.eq(
(sink.data != last_data) |
(sink.charisk != last_charisk) |