riscv/sifive-blocks
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Use _chisel3 analog for MIG inout

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This commit is contained in:
Henry Styles
2017-04-25 10:15:00 -07:00
parent ebd3ffa57e
commit b882d6da93
2 changed files with 17 additions and 27 deletions
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21
src/main/scala/ip/xilinx/vc707mig/vc707mig.scala
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@@ -2,15 +2,14 @@
package sifive.blocks.ip.xilinx.vc707mig
import Chisel._
import chisel3.experimental.{Analog,attach}
import config._
import junctions._
// IP VLNV: xilinx.com:customize_ip:vc707mig:1.0
// Black Box
// Signals named _exactly_ as per MIG generated verilog
trait VC707MIGUnidirectionalIODDR extends Bundle {
//outputs
trait VC707MIGIODDR extends Bundle {
val ddr3_addr = Bits(OUTPUT,14)
val ddr3_ba = Bits(OUTPUT,3)
val ddr3_ras_n = Bool(OUTPUT)
@@ -23,10 +22,14 @@ trait VC707MIGUnidirectionalIODDR extends Bundle {
val ddr3_cs_n = Bits(OUTPUT,1)
val ddr3_dm = Bits(OUTPUT,8)
val ddr3_odt = Bits(OUTPUT,1)
val ddr3_dq = Analog(64.W)
val ddr3_dqs_n = Analog(8.W)
val ddr3_dqs_p = Analog(8.W)
}
//reused directly in io bundle for sifive.blocks.devices.xilinxvc707mig
trait VC707MIGUnidirectionalIOClocksReset extends Bundle {
trait VC707MIGIOClocksReset extends Bundle {
//inputs
//differential system clocks
val sys_clk_n = Bool(INPUT)
@@ -45,14 +48,8 @@ trait VC707MIGUnidirectionalIOClocksReset extends Bundle {
//turn off linter: blackbox name must match verilog module
class vc707mig(implicit val p:Parameters) extends BlackBox
{
val io = new Bundle with VC707MIGUnidirectionalIODDR
with VC707MIGUnidirectionalIOClocksReset {
// bidirectional signals on blackbox interface
// defined here as an output so "__inout" signal name does not have to be used
// verilog does not check the
val ddr3_dq = Bits(OUTPUT,64)
val ddr3_dqs_n = Bits(OUTPUT,8)
val ddr3_dqs_p = Bits(OUTPUT,8)
val io = new Bundle with VC707MIGIODDR
with VC707MIGIOClocksReset {
// User interface signals
val app_sr_req = Bool(INPUT)
val app_ref_req = Bool(INPUT)