riscv/rocket-chip
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JTAGVPI: remove it from Chisel as it is unused

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This commit is contained in:
Megan Wachs 2018-03-07 10:55:45 -08:00
parent 42e614550c
commit 15dc7f6760
1 changed files with 0 additions and 23 deletions
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23
src/main/scala/devices/debug/Periphery.scala
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@ -46,7 +46,6 @@ trait HasPeripheryDebugBundle {
val dtm = Module(new SimDTM).connect(c, r, d, out) val dtm = Module(new SimDTM).connect(c, r, d, out)
} }
debug.systemjtag.foreach { sj => debug.systemjtag.foreach { sj =>
//val jtag = Module(new JTAGVPI(tckHalfPeriod = tckHalfPeriod, cmdDelay = cmdDelay)).connect(sj.jtag, sj.reset, r, out)
val jtag = Module(new SimJTAG(tickDelay=3)).connect(sj.jtag, c, r, ~r, out) val jtag = Module(new SimJTAG(tickDelay=3)).connect(sj.jtag, c, r, ~r, out)
sj.reset := r sj.reset := r
sj.mfr_id := p(JtagDTMKey).idcodeManufId.U(11.W) sj.mfr_id := p(JtagDTMKey).idcodeManufId.U(11.W)
@ -140,25 +139,3 @@ class SimJTAG(tickDelay: Int = 50) extends BlackBox(Map("TICK_DELAY" -> IntParam
} }
} }
class JTAGVPI(tckHalfPeriod: Int = 2, cmdDelay: Int = 2)(implicit val p: Parameters)
extends BlackBox ( Map ("TCK_HALF_PERIOD" -> IntParam(tckHalfPeriod),
"CMD_DELAY" -> IntParam(cmdDelay))) {
val io = new Bundle {
val jtag = new JTAGIO(hasTRSTn = false)
val enable = Bool(INPUT)
val init_done = Bool(INPUT)
}
def connect(dutio: JTAGIO, tbreset: Bool, tbsuccess: Bool) = {
dutio <> io.jtag
dutio.TRSTn.foreach{ _:= false.B}
io.enable := ~tbreset
io.init_done := ~tbreset
// Success is determined by the gdbserver
// which is controlling this simulation.
tbsuccess := Bool(false)
}
}