Configs.scala

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package vta.shell

import chisel3._
import chisel3.util._
import vta.util.config._
import vta.interface.axi._

/** PynqConfig. Shell configuration for Pynq */
class PynqConfig
    extends Config((site, here, up) => {
      case ShellKey =>
        ShellParams(
          hostParams = AXIParams(coherent = false,
                                 addrBits = 16,
                                 dataBits = 32,
                                 lenBits = 8,
                                 userBits = 1),
          memParams = AXIParams(coherent = true,
                                addrBits = 32,
                                dataBits = 64,
                                lenBits = 8,
                                userBits = 1),
          vcrParams = VCRParams(),
          vmeParams = VMEParams()
        )
    })

/** F1Config. Shell configuration for F1 */
class F1Config
    extends Config((site, here, up) => {
      case ShellKey =>
        ShellParams(
          hostParams = AXIParams(coherent = false,
                                 addrBits = 16,
                                 dataBits = 32,
                                 lenBits = 8,
                                 userBits = 1),
          memParams = AXIParams(coherent = false,
                                addrBits = 64,
                                dataBits = 64,
                                lenBits = 8,
                                userBits = 1),
          vcrParams = VCRParams(),
          vmeParams = VMEParams()
        )
    })

/** De10Config. Shell configuration for De10 */
class De10Config
    extends Config((site, here, up) => {
      case ShellKey =>
        ShellParams(
          hostParams =
            AXIParams(addrBits = 16, dataBits = 32, idBits = 13, lenBits = 4),
          memParams = AXIParams(
            addrBits = 32,
            dataBits = 64,
            userBits = 5,
            lenBits = 4, // limit to 16 beats, instead of 256 beats in AXI4
            coherent = true),
          vcrParams = VCRParams(),
          vmeParams = VMEParams()
        )
    })