From 840d2a2226319c50fc6d0d7bd1186c00dd8df511 Mon Sep 17 00:00:00 2001
From: Henry Cook <henry@sifive.com>
Date: Fri, 9 Nov 2018 15:25:26 -0800
Subject: [PATCH] devices: maskrom has helper object attach instead of trait
 (#1698)

* devices: maskrom has helper object attach instead of trait

* maskrom: remove unused param key
---
 src/main/scala/devices/tilelink/MaskROM.scala | 26 +++++++++----------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/src/main/scala/devices/tilelink/MaskROM.scala b/src/main/scala/devices/tilelink/MaskROM.scala
index 23de2547..941b510f 100644
--- a/src/main/scala/devices/tilelink/MaskROM.scala
+++ b/src/main/scala/devices/tilelink/MaskROM.scala
@@ -5,25 +5,11 @@ package freechips.rocketchip.devices.tilelink
 import Chisel._
 import freechips.rocketchip.config.{Field, Parameters}
 import freechips.rocketchip.diplomacy._
-import freechips.rocketchip.subsystem.BaseSubsystem
 import freechips.rocketchip.tilelink._
 import freechips.rocketchip.util._
 
 case class MaskROMParams(address: BigInt, name: String, depth: Int = 2048, width: Int = 32)
 
-case object PeripheryMaskROMKey extends Field[Seq[MaskROMParams]]
-
-trait HasPeripheryMaskROMSlave { this: BaseSubsystem =>
-  val maskROMParams = p(PeripheryMaskROMKey)
-  val maskROMs = maskROMParams map { params =>
-    val maskROM = LazyModule(new TLMaskROM(params))
-    maskROM.node := cbus.coupleTo("MaskROM") {
-      TLFragmenter(maskROM.beatBytes, cbus.blockBytes) :*= TLWidthWidget(cbus) := _
-    }
-    maskROM
-  }
-}
-
 class TLMaskROM(c: MaskROMParams)(implicit p: Parameters) extends LazyModule {
   val beatBytes = c.width/8
   val node = TLManagerNode(Seq(TLManagerPortParameters(
@@ -69,3 +55,15 @@ class TLMaskROM(c: MaskROMParams)(implicit p: Parameters) extends LazyModule {
     in.e.ready := Bool(true)
   }
 }
+
+object MaskROM {
+  def attach(params: MaskROMParams, bus: TLBusWrapper)(implicit p: Parameters): TLMaskROM = {
+    val maskROM = LazyModule(new TLMaskROM(params))
+    maskROM.node := bus.coupleTo("MaskROM") {
+      TLFragmenter(maskROM.beatBytes, bus.blockBytes) :*= TLWidthWidget(bus) := _
+    }
+    InModuleBody { maskROM.module.clock := bus.module.clock }
+    InModuleBody { maskROM.module.reset := bus.module.reset }
+    maskROM
+  }
+}