diff --git a/uncore/src/main/scala/consts.scala b/uncore/src/main/scala/consts.scala
index b0cdcdd6..64d6c3a7 100644
--- a/uncore/src/main/scala/consts.scala
+++ b/uncore/src/main/scala/consts.scala
@@ -2,7 +2,6 @@ package uncore
 package constants
 
 import Chisel._
-import scala.math.max
 
 object MemoryOpConstants extends MemoryOpConstants
 trait MemoryOpConstants {
@@ -43,30 +42,3 @@ trait MemoryOpConstants {
   def isWrite(cmd: Bits) = cmd === M_XWR || cmd === M_XSC || isAMO(cmd)
   def isWriteIntent(cmd: Bits) = isWrite(cmd) || cmd === M_PFW || cmd === M_XLR
 }
-
-object AddressConstants extends AddressConstants
-trait AddressConstants { 
-  val PADDR_BITS = 32
-  val VADDR_BITS = 43;
-  val PGIDX_BITS = 13;
-  val PPN_BITS = PADDR_BITS-PGIDX_BITS;
-  val VPN_BITS = VADDR_BITS-PGIDX_BITS;
-  val ASID_BITS = 7;
-  val PERM_BITS = 6;
-}
-
-object CacheConstants extends CacheConstants
-trait CacheConstants {
-  val CACHE_DATA_SIZE_IN_BYTES = 1 << 6 
-  val OFFSET_BITS = log2Up(CACHE_DATA_SIZE_IN_BYTES)
-}
-
-trait TileLinkSizeConstants {
-  val ACQUIRE_WRITE_MASK_BITS = 6
-  val ACQUIRE_SUBWORD_ADDR_BITS = 3
-  val ACQUIRE_ATOMIC_OP_BITS = 4
-}
-
-trait MemoryInterfaceConstants extends 
-  CacheConstants with 
-  AddressConstants 
diff --git a/uncore/src/main/scala/htif.scala b/uncore/src/main/scala/htif.scala
index c4d0ffb0..9ea26f86 100644
--- a/uncore/src/main/scala/htif.scala
+++ b/uncore/src/main/scala/htif.scala
@@ -41,7 +41,7 @@ class SCRIO(n: Int) extends Bundle
   val wdata = Bits(OUTPUT, 64)
 }
 
-class HTIF(w: Int, pcr_RESET: Int, nSCR: Int)(implicit conf: TileLinkConfiguration) extends Module
+class HTIF(w: Int, pcr_RESET: Int, nSCR: Int, offsetBits: Int)(implicit conf: TileLinkConfiguration) extends Module
 {
   implicit val (ln, co) = (conf.ln, conf.co)
   val nTiles = ln.nClients-1 // This HTIF is itself a TileLink client
@@ -75,7 +75,7 @@ class HTIF(w: Int, pcr_RESET: Int, nSCR: Int)(implicit conf: TileLinkConfigurati
     when (rx_count === UInt(short_request_bits/w-1)) {
       cmd := next_cmd
       size := rx_shifter_in(15,4)
-      pos := rx_shifter_in(15,4+OFFSET_BITS-3)
+      pos := rx_shifter_in(15,4+offsetBits-3)
       seqno := rx_shifter_in(23,16)
       addr := rx_shifter_in(63,24)
     }
@@ -95,7 +95,7 @@ class HTIF(w: Int, pcr_RESET: Int, nSCR: Int)(implicit conf: TileLinkConfigurati
   val pcr_coreid = addr(log2Up(nTiles)-1+20+1,20)
   val pcr_wdata = packet_ram(0)
 
-  val bad_mem_packet = size(OFFSET_BITS-1-3,0).orR || addr(OFFSET_BITS-1-3,0).orR
+  val bad_mem_packet = size(offsetBits-1-3,0).orR || addr(offsetBits-1-3,0).orR
   val nack = Mux(cmd === cmd_readmem || cmd === cmd_writemem, bad_mem_packet,
              Mux(cmd === cmd_readcr || cmd === cmd_writecr, size != UInt(1),
              Bool(true)))
@@ -157,7 +157,7 @@ class HTIF(w: Int, pcr_RESET: Int, nSCR: Int)(implicit conf: TileLinkConfigurati
   when (state === state_mem_finish && io.mem.grant_ack.ready) {
     state := Mux(cmd === cmd_readmem || pos === UInt(1),  state_tx, state_rx)
     pos := pos - UInt(1)
-    addr := addr + UInt(1 << OFFSET_BITS-3)
+    addr := addr + UInt(1 << offsetBits-3)
   }
   when (state === state_tx && tx_done) {
     when (tx_word_count === tx_size) {
@@ -176,7 +176,7 @@ class HTIF(w: Int, pcr_RESET: Int, nSCR: Int)(implicit conf: TileLinkConfigurati
     mem_req_data = Cat(packet_ram(idx), mem_req_data)
   }
   acq_q.io.enq.valid := state === state_mem_rreq || state === state_mem_wreq
-  val init_addr = addr.toUInt >> UInt(OFFSET_BITS-3)
+  val init_addr = addr.toUInt >> UInt(offsetBits-3)
   acq_q.io.enq.bits := Mux(cmd === cmd_writemem, 
     Acquire(co.getUncachedWriteAcquireType, init_addr, UInt(0)), 
     Acquire(co.getUncachedReadAcquireType, init_addr, UInt(0)))
diff --git a/uncore/src/main/scala/memserdes.scala b/uncore/src/main/scala/memserdes.scala
index 21a987fd..dea3e801 100644
--- a/uncore/src/main/scala/memserdes.scala
+++ b/uncore/src/main/scala/memserdes.scala
@@ -2,6 +2,11 @@ package uncore
 import Chisel._
 import scala.math._
 
+case class AddressSpaceConfiguration(paddrBits: Int, vaddrBits: Int, pgIdxBits: Int, asidBits: Int, permBits:Int) {
+  val ppnBits = paddrBits - pgIdxBits
+  val vpnBits = vaddrBits - pgIdxBits
+}
+
 case class MemoryIFConfiguration(addrBits: Int, dataBits: Int, tagBits: Int, dataBeats: Int)
 
 abstract trait MemoryIFSubBundle extends Bundle {
diff --git a/uncore/src/main/scala/package.scala b/uncore/src/main/scala/package.scala
index 4ac83d0b..501d511d 100644
--- a/uncore/src/main/scala/package.scala
+++ b/uncore/src/main/scala/package.scala
@@ -1,7 +1,4 @@
-package object uncore extends
-  uncore.constants.MemoryOpConstants with
-  uncore.constants.TileLinkSizeConstants with
-  uncore.constants.MemoryInterfaceConstants
+package object uncore extends uncore.constants.MemoryOpConstants
 {
   implicit def toOption[A](a: A) = Option(a)
 }
diff --git a/uncore/src/main/scala/tilelink.scala b/uncore/src/main/scala/tilelink.scala
index 6f877856..451c5844 100644
--- a/uncore/src/main/scala/tilelink.scala
+++ b/uncore/src/main/scala/tilelink.scala
@@ -1,7 +1,7 @@
 package uncore
 import Chisel._
 
-case class TileLinkConfiguration(co: CoherencePolicyWithUncached, ln: LogicalNetworkConfiguration, masterXactIdBits: Int, clientXactIdBits: Int, dataBits: Int) 
+case class TileLinkConfiguration(co: CoherencePolicyWithUncached, ln: LogicalNetworkConfiguration, addrBits: Int, masterXactIdBits: Int, clientXactIdBits: Int, dataBits: Int, writeMaskBits: Int, wordAddrBits: Int, atomicOpBits: Int) 
 
 abstract trait TileLinkSubBundle extends Bundle {
   implicit val conf: TileLinkConfiguration
@@ -9,7 +9,7 @@ abstract trait TileLinkSubBundle extends Bundle {
 }
 
 trait HasPhysicalAddress extends TileLinkSubBundle {
-  val addr = UInt(width = PADDR_BITS - OFFSET_BITS)
+  val addr = UInt(width = conf.addrBits)
 }
 
 trait HasClientTransactionId extends TileLinkSubBundle {
@@ -69,9 +69,9 @@ class Acquire(implicit val conf: TileLinkConfiguration) extends ClientSourcedMes
     with HasClientTransactionId 
     with HasTileLinkData {
   val a_type = UInt(width = conf.co.acquireTypeWidth)
-  val write_mask = Bits(width = ACQUIRE_WRITE_MASK_BITS)
-  val subword_addr = Bits(width = ACQUIRE_SUBWORD_ADDR_BITS)
-  val atomic_opcode = Bits(width = ACQUIRE_ATOMIC_OP_BITS)
+  val write_mask = Bits(width = conf.writeMaskBits)
+  val subword_addr = Bits(width = conf.wordAddrBits)
+  val atomic_opcode = Bits(width = conf.atomicOpBits)
 }
 
 object Probe