hz from Int to BigInt. good lord.

Author: kivikakk

src/main/scala/ee/hrzn/chryse/platform/Platform.scala

@@ -20,5 +20,5 @@ package ee.hrzn.chryse.platform
 
 trait Platform {
   val id: String
-  val clockHz: Int
+  val clockHz: BigInt
 }

src/main/scala/ee/hrzn/chryse/platform/ice40/ICE40Top.scala

@@ -99,7 +99,7 @@ class ICE40Top[Top <: Module](
   clk_gb.PACKAGE_PIN := clki
   private val clk = clk_gb.GLOBAL_BUFFER_OUTPUT
 
-  private val timerLimit = (15e-6 * platform.clockHz).toInt
+  private val timerLimit = (15 * platform.clockHz / 1_000_000).toInt
   private val resetTimerReg =
     withClock(clk)(Reg(UInt(unsignedBitLength(timerLimit).W)))
   private val reset = Wire(Bool())

src/main/scala/ee/hrzn/chryse/platform/resource/ClockSource.scala

@@ -20,8 +20,8 @@ package ee.hrzn.chryse.platform.resource
 
 import chisel3._
 
-case class ClockSource(hz: Int) extends ResourceData(Input(Clock())) {}
+case class ClockSource(hz: BigInt) extends ResourceData(Input(Clock())) {}
 
 object ClockSource {
-  def apply(hz: Int) = new ClockSource(hz)
+  def apply(hz: BigInt) = new ClockSource(hz)
 }