u500vc707devkit 4GB : new address map allows switch to paramterization with address...

[sifive-blocks.git] / src / main / scala / devices / xilinxvc707mig / XilinxVC707MIGPeriphery.scala

diff --git a/src/main/scala/devices/xilinxvc707mig/XilinxVC707MIGPeriphery.scala b/src/main/scala/devices/xilinxvc707mig/XilinxVC707MIGPeriphery.scala
index 068f64cbd3a16987cbe6948202e762c0b7903039..7aebfae7c30cf9f9162e2b0f7b34831ad35e5e69 100644 (file)
--- a/src/main/scala/devices/xilinxvc707mig/XilinxVC707MIGPeriphery.scala
+++ b/src/main/scala/devices/xilinxvc707mig/XilinxVC707MIGPeriphery.scala
@@ -2,13 +2,16 @@
 package sifive.blocks.devices.xilinxvc707mig
 
 import Chisel._
+import freechips.rocketchip.config._
 import freechips.rocketchip.coreplex.HasMemoryBus
-import freechips.rocketchip.diplomacy.{LazyModule, LazyMultiIOModuleImp}
+import freechips.rocketchip.diplomacy.{LazyModule, LazyMultiIOModuleImp, AddressRange}
+
+case object MemoryXilinxDDRKey extends Field[XilinxVC707MIGParams]
 
 trait HasMemoryXilinxVC707MIG extends HasMemoryBus {
   val module: HasMemoryXilinxVC707MIGModuleImp
 
-  val xilinxvc707mig = LazyModule(new XilinxVC707MIG)
+  val xilinxvc707mig = LazyModule(new XilinxVC707MIG(p(MemoryXilinxDDRKey)))
 
   require(nMemoryChannels == 1, "Coreplex must have 1 master memory port")
   xilinxvc707mig.node := memBuses.head.toDRAMController
@@ -24,7 +27,10 @@ trait HasMemoryXilinxVC707MIGBundle {
 trait HasMemoryXilinxVC707MIGModuleImp extends LazyMultiIOModuleImp
     with HasMemoryXilinxVC707MIGBundle {
   val outer: HasMemoryXilinxVC707MIG
-  val xilinxvc707mig = IO(new XilinxVC707MIGIO)
+  val ranges = AddressRange.fromSets(p(MemoryXilinxDDRKey).address)
+  require (ranges.size == 1, "DDR range must be contiguous")
+  val depth = ranges.head.size
+  val xilinxvc707mig = IO(new XilinxVC707MIGIO(depth))
 
   xilinxvc707mig <> outer.xilinxvc707mig.module.io.port
 }