Files
chipyard/generators/chipyard/src/main/scala/config/fragments/PeripheralFragments.scala
2023-03-28 16:48:27 -07:00

90 lines
3.0 KiB
Scala

package chipyard.config
import scala.util.matching.Regex
import chisel3._
import chisel3.util.{log2Up}
import org.chipsalliance.cde.config.{Config}
import freechips.rocketchip.devices.tilelink.{BootROMLocated, PLICKey}
import freechips.rocketchip.devices.debug.{Debug, ExportDebug, DebugModuleKey, DMI}
import freechips.rocketchip.stage.phases.TargetDirKey
import freechips.rocketchip.subsystem._
import freechips.rocketchip.tile.{XLen}
import sifive.blocks.devices.gpio._
import sifive.blocks.devices.uart._
import sifive.blocks.devices.spi._
import testchipip._
import chipyard.{ExtTLMem}
// Set the bootrom to the Chipyard bootrom
class WithBootROM extends Config((site, here, up) => {
case BootROMLocated(x) => up(BootROMLocated(x), site)
.map(_.copy(contentFileName = s"${site(TargetDirKey)}/bootrom.rv${site(XLen)}.img"))
})
// DOC include start: gpio config fragment
class WithGPIO extends Config((site, here, up) => {
case PeripheryGPIOKey => Seq(
GPIOParams(address = 0x10012000, width = 4, includeIOF = false))
})
// DOC include end: gpio config fragment
class WithUART(baudrate: BigInt = 115200) extends Config((site, here, up) => {
case PeripheryUARTKey => Seq(
UARTParams(address = 0x54000000L, nTxEntries = 256, nRxEntries = 256, initBaudRate = baudrate))
})
class WithNoUART extends Config((site, here, up) => {
case PeripheryUARTKey => Nil
})
class WithUARTFIFOEntries(txEntries: Int, rxEntries: Int) extends Config((site, here, up) => {
case PeripheryUARTKey => up(PeripheryUARTKey).map(_.copy(nTxEntries = txEntries, nRxEntries = rxEntries))
})
class WithSPIFlash(size: BigInt = 0x10000000) extends Config((site, here, up) => {
// Note: the default size matches freedom with the addresses below
case PeripherySPIFlashKey => Seq(
SPIFlashParams(rAddress = 0x10040000, fAddress = 0x20000000, fSize = size))
})
class WithDMIDTM extends Config((site, here, up) => {
case ExportDebug => up(ExportDebug, site).copy(protocols = Set(DMI))
})
class WithNoDebug extends Config((site, here, up) => {
case DebugModuleKey => None
})
class WithTLSerialLocation(masterWhere: TLBusWrapperLocation, slaveWhere: TLBusWrapperLocation) extends Config((site, here, up) => {
case SerialTLAttachKey => up(SerialTLAttachKey, site).copy(masterWhere = masterWhere, slaveWhere = slaveWhere)
})
class WithTLBackingMemory extends Config((site, here, up) => {
case ExtMem => None // disable AXI backing memory
case ExtTLMem => up(ExtMem, site) // enable TL backing memory
})
class WithSerialTLBackingMemory extends Config((site, here, up) => {
case ExtMem => None
case SerialTLKey => up(SerialTLKey, site).map { k => k.copy(
memParams = {
val memPortParams = up(ExtMem, site).get
require(memPortParams.nMemoryChannels == 1)
memPortParams.master
},
isMemoryDevice = true
)}
})
class WithExtMemIdBits(n: Int) extends Config((site, here, up) => {
case ExtMem => up(ExtMem, site).map(x => x.copy(master = x.master.copy(idBits = n)))
})
class WithNoPLIC extends Config((site, here, up) => {
case PLICKey => None
})