X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmain%2Fscala%2Fdevices%2Fgpio%2FGPIO.scala;h=f598dbb00c0dac677202f160b8638e1dd9f85ee1;hb=4fcf349adb9e66ea7d8cc5394de5d3e0a2340985;hp=e7a48299d132df91965224608386f61812b810f4;hpb=0a80d1987d35046858c36a4fa462410b54a126f0;p=sifive-blocks.git

diff --git a/src/main/scala/devices/gpio/GPIO.scala b/src/main/scala/devices/gpio/GPIO.scala
index e7a4829..f598dbb 100644
--- a/src/main/scala/devices/gpio/GPIO.scala
+++ b/src/main/scala/devices/gpio/GPIO.scala
@@ -2,8 +2,10 @@
 package sifive.blocks.devices.gpio
 
 import Chisel._
+import chisel3.experimental.MultiIOModule
 import sifive.blocks.devices.pinctrl.{PinCtrl, Pin, BasePin, EnhancedPin, EnhancedPinCtrl}
 import freechips.rocketchip.config.Parameters
+import freechips.rocketchip.util.SynchronizerShiftReg
 import freechips.rocketchip.regmapper._
 import freechips.rocketchip.tilelink._
 import freechips.rocketchip.util.{AsyncResetRegVec, GenericParameterizedBundle}
@@ -82,11 +84,11 @@ class GPIOPortIO(c: GPIOParams) extends GenericParameterizedBundle(c) {
 // It would be better if the IOF were here and
 // we could do the pinmux inside.
 trait HasGPIOBundleContents extends Bundle {
-  val params: GPIOParams
+  def params: GPIOParams
   val port = new GPIOPortIO(params)
 }
 
-trait HasGPIOModuleContents extends Module with HasRegMap {
+trait HasGPIOModuleContents extends MultiIOModule with HasRegMap {
   val io: HasGPIOBundleContents
   val params: GPIOParams
   val c = params
@@ -106,7 +108,7 @@ trait HasGPIOModuleContents extends Module with HasRegMap {
   // Synchronize Input to get valueReg
   val inVal = Wire(UInt(0, width=c.width))
   inVal := Vec(io.port.pins.map(_.i.ival)).asUInt
-  val inSyncReg  = ShiftRegister(inVal, 3)
+  val inSyncReg  = SynchronizerShiftReg(inVal, 3, Some("inSyncReg"))
   val valueReg   = Reg(init = UInt(0, c.width), next = inSyncReg)
 
   // Interrupt Configuration