import freechips.rocketchip.config._
import freechips.rocketchip.jtag.{JTAGIO}
+import sifive.blocks.devices.pinctrl.{Pin, PinCtrl}
-class JTAGPinsIO(hasTRSTn: Boolean = true) extends Bundle {
+class JTAGPins[T <: Pin](pingen: () => T, hasTRSTn: Boolean = true) extends Bundle {
- val TCK = new GPIOPin()
- val TMS = new GPIOPin()
- val TDI = new GPIOPin()
- val TDO = new GPIOPin()
- val TRSTn = if (hasTRSTn) Option(new GPIOPin()) else None
+ val TCK = pingen()
+ val TMS = pingen()
+ val TDI = pingen()
+ val TDO = pingen()
+ val TRSTn = if (hasTRSTn) Option(pingen()) else None
-}
-
-class JTAGGPIOPort(hasTRSTn: Boolean = true)(implicit p: Parameters) extends Module {
+ def fromJTAGPort(jtag: JTAGIO): Unit = {
+ jtag.TCK := TCK.inputPin (pue = Bool(true)).asClock
+ jtag.TMS := TMS.inputPin (pue = Bool(true))
+ jtag.TDI := TDI.inputPin(pue = Bool(true))
+ jtag.TRSTn.foreach{t => t := TRSTn.get.inputPin(pue = Bool(true))}
- val io = new Bundle {
- // TODO: make this not hard-coded true.
- val jtag = new JTAGIO(hasTRSTn)
- val pins = new JTAGPinsIO(hasTRSTn)
+ TDO.outputPin(jtag.TDO.data)
+ TDO.o.oe := jtag.TDO.driven
}
-
- io.jtag.TCK := GPIOInputPinCtrl(io.pins.TCK, pue = Bool(true)).asClock
- io.jtag.TMS := GPIOInputPinCtrl(io.pins.TMS, pue = Bool(true))
- io.jtag.TDI := GPIOInputPinCtrl(io.pins.TDI, pue = Bool(true))
- io.jtag.TRSTn.foreach{t => t := GPIOInputPinCtrl(io.pins.TRSTn.get, pue = Bool(true))}
-
- GPIOOutputPinCtrl(io.pins.TDO, io.jtag.TDO.data)
- io.pins.TDO.o.oe := io.jtag.TDO.driven
}