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disconnect fpu port if no fpu-using RoCC accelerators

This commit is contained in:
Howard Mao 2015-12-01 20:41:58 -08:00
parent dcca0b1d86
commit 73b0263663

View File

@ -110,4 +110,11 @@ class RocketTile(resetSignal: Bool = null)(implicit p: Parameters) extends Tile(
roccs.flatMap(_.io.dmem) :+ iMemArb.io.out roccs.flatMap(_.io.dmem) :+ iMemArb.io.out
} else { Seq(icache.io.mem) }) } else { Seq(icache.io.mem) })
if (!usingRocc || nFPUPorts == 0) {
fpuOpt.foreach { fpu =>
fpu.io.cp_req.valid := Bool(false)
fpu.io.cp_resp.ready := Bool(false)
}
}
} }