xref: /XiangShan/src/main/scala/system/SoC.scala (revision 529b1cfdb56763d8c094232c4acac6d4a784b64f)
1/***************************************************************************************
2* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
3* Copyright (c) 2020-2021 Peng Cheng Laboratory
4*
5* XiangShan is licensed under Mulan PSL v2.
6* You can use this software according to the terms and conditions of the Mulan PSL v2.
7* You may obtain a copy of Mulan PSL v2 at:
8*          http://license.coscl.org.cn/MulanPSL2
9*
10* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
11* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
12* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
13*
14* See the Mulan PSL v2 for more details.
15***************************************************************************************/
16
17package system
18
19import org.chipsalliance.cde.config.{Field, Parameters}
20import chisel3._
21import chisel3.util._
22import device.{DebugModule, TLPMA, TLPMAIO, AXI4MemEncrypt}
23import freechips.rocketchip.amba.axi4._
24import freechips.rocketchip.devices.debug.DebugModuleKey
25import freechips.rocketchip.devices.tilelink._
26import freechips.rocketchip.diplomacy.{AddressSet, IdRange, InModuleBody, LazyModule, LazyModuleImp, MemoryDevice, RegionType, SimpleDevice, TransferSizes}
27import freechips.rocketchip.interrupts.{IntSourceNode, IntSourcePortSimple}
28import freechips.rocketchip.regmapper.{RegField, RegFieldDesc, RegFieldGroup}
29import freechips.rocketchip.tilelink._
30import freechips.rocketchip.util.AsyncQueueParams
31import huancun._
32import top.BusPerfMonitor
33import utility.{ReqSourceKey, TLClientsMerger, TLEdgeBuffer, TLLogger}
34import xiangshan.backend.fu.{MemoryRange, PMAConfigEntry, PMAConst}
35import xiangshan.{DebugOptionsKey, PMParameKey, XSTileKey}
36import coupledL2.{EnableCHI, L2Param}
37import coupledL2.tl2chi.CHIIssue
38import openLLC.OpenLLCParam
39
40case object SoCParamsKey extends Field[SoCParameters]
41case object CVMParamskey extends Field[CVMParameters]
42
43case class CVMParameters
44(
45  MEMENCRange: AddressSet = AddressSet(0x38030000L, 0xfff),
46  KeyIDBits: Int = 0,
47  MemencPipes: Int = 4,
48  HasMEMencryption: Boolean = false,
49  HasDelayNoencryption: Boolean = false, // Test specific
50)
51
52case class SoCParameters
53(
54  EnableILA: Boolean = false,
55  PAddrBits: Int = 48,
56  PmemRanges: Seq[MemoryRange] = Seq(MemoryRange(0x80000000L, 0x80000000000L)),
57  PMAConfigs: Seq[PMAConfigEntry] = Seq(
58    PMAConfigEntry(0x0L, range = 0x1000000000000L, a = 3),
59    PMAConfigEntry(0x80000000000L, c = true, atomic = true, a = 1, x = true, w = true, r = true),
60    PMAConfigEntry(0x80000000L, a = 1, w = true, r = true),
61    PMAConfigEntry(0x3A000000L, a = 1),
62    PMAConfigEntry(0x39002000L, a = 1, w = true, r = true),
63    PMAConfigEntry(0x39000000L, a = 1, w = true, r = true),
64    PMAConfigEntry(0x38022000L, a = 1, w = true, r = true),
65    PMAConfigEntry(0x38021000L, a = 1, x = true, w = true, r = true),
66    PMAConfigEntry(0x38020000L, a = 1, w = true, r = true),
67    PMAConfigEntry(0x30050000L, a = 1, w = true, r = true), // FIXME: GPU space is cacheable?
68    PMAConfigEntry(0x30010000L, a = 1, w = true, r = true),
69    PMAConfigEntry(0x20000000L, a = 1, x = true, w = true, r = true),
70    PMAConfigEntry(0x10000000L, a = 1, w = true, r = true),
71    PMAConfigEntry(0)
72  ),
73  CLINTRange: AddressSet = AddressSet(0x38000000L, CLINTConsts.size - 1),
74  BEURange: AddressSet = AddressSet(0x38010000L, 0xfff),
75  PLICRange: AddressSet = AddressSet(0x3c000000L, PLICConsts.size(PLICConsts.maxMaxHarts) - 1),
76  PLLRange: AddressSet = AddressSet(0x3a000000L, 0xfff),
77  UARTLiteForDTS: Boolean = true, // should be false in SimMMIO
78  extIntrs: Int = 64,
79  L3NBanks: Int = 4,
80  L3CacheParamsOpt: Option[HCCacheParameters] = Some(HCCacheParameters(
81    name = "L3",
82    level = 3,
83    ways = 8,
84    sets = 2048 // 1MB per bank
85  )),
86  OpenLLCParamsOpt: Option[OpenLLCParam] = None,
87  XSTopPrefix: Option[String] = None,
88  NodeIDWidthList: Map[String, Int] = Map(
89    "B" -> 7,
90    "C" -> 9,
91    "E.b" -> 11
92  ),
93  NumHart: Int = 64,
94  NumIRFiles: Int = 7,
95  NumIRSrc: Int = 256,
96  UseXSNoCTop: Boolean = false,
97  UseXSNoCDiffTop: Boolean = false,
98  UseXSTileDiffTop: Boolean = false,
99  IMSICUseTL: Boolean = false,
100  SeperateDMBus: Boolean = false,
101  EnableCHIAsyncBridge: Option[AsyncQueueParams] = Some(AsyncQueueParams(depth = 16, sync = 3, safe = false)),
102  EnableClintAsyncBridge: Option[AsyncQueueParams] = Some(AsyncQueueParams(depth = 1, sync = 3, safe = false)),
103  EnableDMAsyncBridge: Option[AsyncQueueParams] = Some(AsyncQueueParams(depth = 1, sync = 3, safe = false)),
104  WFIClockGate: Boolean = false,
105  EnablePowerDown: Boolean = false
106){
107  require(
108    L3CacheParamsOpt.isDefined ^ OpenLLCParamsOpt.isDefined || L3CacheParamsOpt.isEmpty && OpenLLCParamsOpt.isEmpty,
109    "Atmost one of L3CacheParamsOpt and OpenLLCParamsOpt should be defined"
110  )
111  // L3 configurations
112  val L3InnerBusWidth = 256
113  val L3BlockSize = 64
114  // on chip network configurations
115  val L3OuterBusWidth = 256
116  val UARTLiteRange = AddressSet(0x40600000, if (UARTLiteForDTS) 0x3f else 0xf)
117}
118
119trait HasSoCParameter {
120  implicit val p: Parameters
121
122  val soc = p(SoCParamsKey)
123  val cvm = p(CVMParamskey)
124  val debugOpts = p(DebugOptionsKey)
125  val tiles = p(XSTileKey)
126  val enableCHI = p(EnableCHI)
127  val issue = p(CHIIssue)
128
129  val NumCores = tiles.size
130  val EnableILA = soc.EnableILA
131
132  // Parameters for trace extension
133  val TraceTraceGroupNum          = tiles.head.traceParams.TraceGroupNum
134  val TraceCauseWidth             = tiles.head.XLEN
135  val TraceTvalWidth              = tiles.head.traceParams.IaddrWidth
136  val TracePrivWidth              = tiles.head.traceParams.PrivWidth
137  val TraceIaddrWidth             = tiles.head.traceParams.IaddrWidth
138  val TraceItypeWidth             = tiles.head.traceParams.ItypeWidth
139  val TraceIretireWidthCompressed = log2Up(tiles.head.RenameWidth * tiles.head.CommitWidth * 2)
140  val TraceIlastsizeWidth         = tiles.head.traceParams.IlastsizeWidth
141
142  // L3 configurations
143  val L3InnerBusWidth = soc.L3InnerBusWidth
144  val L3BlockSize = soc.L3BlockSize
145  val L3NBanks = soc.L3NBanks
146
147  // on chip network configurations
148  val L3OuterBusWidth = soc.L3OuterBusWidth
149
150  val NrExtIntr = soc.extIntrs
151
152  val SetIpNumValidSize = soc.NumHart * soc.NumIRFiles
153
154  val NumIRSrc = soc.NumIRSrc
155
156  val SeperateDMBus = soc.SeperateDMBus
157
158  val EnableCHIAsyncBridge = if (enableCHI && soc.EnableCHIAsyncBridge.isDefined)
159    soc.EnableCHIAsyncBridge else None
160  val EnableClintAsyncBridge = soc.EnableClintAsyncBridge
161  val EnableDMAsyncBridge = if (SeperateDMBus && soc.EnableDMAsyncBridge.isDefined)
162    soc.EnableDMAsyncBridge else None
163
164  val WFIClockGate = soc.WFIClockGate
165  val EnablePowerDown = soc.EnablePowerDown
166
167  def HasMEMencryption = cvm.HasMEMencryption
168  require((cvm.HasMEMencryption && (cvm.KeyIDBits > 0)) || (!cvm.HasMEMencryption && (cvm.KeyIDBits == 0)),
169    "HasMEMencryption most set with KeyIDBits > 0")
170}
171
172trait HasPeripheralRanges {
173  implicit val p: Parameters
174
175  private def cvm = p(CVMParamskey)
176  private def soc = p(SoCParamsKey)
177  private def dm = p(DebugModuleKey)
178  private def pmParams = p(PMParameKey)
179
180  private def mmpma = pmParams.mmpma
181
182  def onChipPeripheralRanges: Map[String, AddressSet] = Map(
183    "CLINT" -> soc.CLINTRange,
184    "BEU"   -> soc.BEURange,
185    "PLIC"  -> soc.PLICRange,
186    "PLL"   -> soc.PLLRange,
187    "UART"  -> soc.UARTLiteRange,
188    "DEBUG" -> dm.get.address,
189    "MMPMA" -> AddressSet(mmpma.address, mmpma.mask)
190  ) ++ (
191    if (soc.L3CacheParamsOpt.map(_.ctrl.isDefined).getOrElse(false))
192      Map("L3CTL" -> AddressSet(soc.L3CacheParamsOpt.get.ctrl.get.address, 0xffff))
193    else
194      Map()
195  ) ++ (
196    if (cvm.HasMEMencryption)
197      Map("MEMENC"  -> cvm.MEMENCRange)
198    else
199      Map()
200  )
201
202  def peripheralRange = onChipPeripheralRanges.values.foldLeft(Seq(AddressSet(0x0, 0x7fffffffL))) { (acc, x) =>
203    acc.flatMap(_.subtract(x))
204  }
205}
206
207class ILABundle extends Bundle {}
208
209
210abstract class BaseSoC()(implicit p: Parameters) extends LazyModule with HasSoCParameter with HasPeripheralRanges {
211  val bankedNode = Option.when(!enableCHI)(BankBinder(L3NBanks, L3BlockSize))
212  val peripheralXbar = Option.when(!enableCHI)(TLXbar())
213  val l3_xbar = Option.when(!enableCHI)(TLXbar())
214  val l3_banked_xbar = Option.when(!enableCHI)(TLXbar())
215
216  val soc_xbar = Option.when(enableCHI)(AXI4Xbar())
217}
218
219// We adapt the following three traits from rocket-chip.
220// Source: rocket-chip/src/main/scala/subsystem/Ports.scala
221trait HaveSlaveAXI4Port {
222  this: BaseSoC =>
223
224  val idBits = 14
225
226  val l3FrontendAXI4Node = AXI4MasterNode(Seq(AXI4MasterPortParameters(
227    Seq(AXI4MasterParameters(
228      name = "dma",
229      id = IdRange(0, 1 << idBits)
230    ))
231  )))
232
233  if (l3_xbar.isDefined) {
234    val errorDevice = LazyModule(new TLError(
235      params = DevNullParams(
236        address = Seq(AddressSet(0x0, 0x7fffffffL)),
237        maxAtomic = 8,
238        maxTransfer = 64),
239      beatBytes = L3InnerBusWidth / 8
240    ))
241    errorDevice.node :=
242      l3_xbar.get :=
243      TLFIFOFixer() :=
244      TLWidthWidget(32) :=
245      AXI4ToTL() :=
246      AXI4UserYanker(Some(1)) :=
247      AXI4Fragmenter() :=
248      AXI4Buffer() :=
249      AXI4Buffer() :=
250      AXI4IdIndexer(1) :=
251      l3FrontendAXI4Node
252  }
253
254  val dma = InModuleBody {
255    l3FrontendAXI4Node.makeIOs()
256  }
257}
258
259trait HaveAXI4MemPort {
260  this: BaseSoC =>
261  val device = new MemoryDevice
262  // 48-bit physical address
263  val memRange = AddressSet(0x00000000L, 0xffffffffffffL).subtract(AddressSet(0x0L, 0x7fffffffL))
264  val memAXI4SlaveNode = AXI4SlaveNode(Seq(
265    AXI4SlavePortParameters(
266      slaves = Seq(
267        AXI4SlaveParameters(
268          address = memRange,
269          regionType = RegionType.UNCACHED,
270          executable = true,
271          supportsRead = TransferSizes(1, L3BlockSize),
272          supportsWrite = TransferSizes(1, L3BlockSize),
273          interleavedId = Some(0),
274          resources = device.reg("mem")
275        )
276      ),
277      beatBytes = L3OuterBusWidth / 8,
278      requestKeys = if (debugOpts.FPGAPlatform) Seq() else Seq(ReqSourceKey),
279    )
280  ))
281
282  val mem_xbar = TLXbar()
283  val l3_mem_pmu = BusPerfMonitor(name = "L3_Mem", enable = !debugOpts.FPGAPlatform && !enableCHI, stat_latency = true)
284  val axi4mem_node = AXI4IdentityNode()
285
286  if (enableCHI) {
287    axi4mem_node :=
288      soc_xbar.get
289  } else {
290    mem_xbar :=*
291      TLBuffer.chainNode(2) :=
292      TLCacheCork() :=
293      l3_mem_pmu :=
294      TLClientsMerger() :=
295      TLXbar() :=*
296      bankedNode.get
297
298    mem_xbar :=
299      TLWidthWidget(8) :=
300      TLBuffer.chainNode(3, name = Some("PeripheralXbar_to_MemXbar_buffer")) :=
301      peripheralXbar.get
302
303    axi4mem_node :=
304      TLToAXI4() :=
305      TLSourceShrinker(64) :=
306      TLWidthWidget(L3OuterBusWidth / 8) :=
307      TLBuffer.chainNode(2) :=
308      mem_xbar
309  }
310  val axi4memencrpty = Option.when(HasMEMencryption)(LazyModule(new AXI4MemEncrypt(cvm.MEMENCRange)))
311  if (HasMEMencryption) {
312    memAXI4SlaveNode :=
313      AXI4Buffer() :=
314      AXI4Buffer() :=
315      AXI4Buffer() :=
316      AXI4IdIndexer(idBits = 14) :=
317      AXI4UserYanker() :=
318      axi4memencrpty.get.node
319
320    axi4memencrpty.get.node :=
321      AXI4Deinterleaver(L3BlockSize) :=
322      axi4mem_node
323  } else {
324    memAXI4SlaveNode :=
325      AXI4Buffer() :=
326      AXI4Buffer() :=
327      AXI4Buffer() :=
328      AXI4IdIndexer(idBits = 14) :=
329      AXI4UserYanker() :=
330      AXI4Deinterleaver(L3BlockSize) :=
331      axi4mem_node
332  }
333
334
335  val memory = InModuleBody {
336    memAXI4SlaveNode.makeIOs()
337  }
338}
339
340trait HaveAXI4PeripheralPort { this: BaseSoC =>
341  val uartDevice = new SimpleDevice("serial", Seq("xilinx,uartlite"))
342  val uartParams = AXI4SlaveParameters(
343    address = Seq(soc.UARTLiteRange),
344    regionType = RegionType.UNCACHED,
345    supportsRead = TransferSizes(1, 32),
346    supportsWrite = TransferSizes(1, 32),
347    resources = uartDevice.reg
348  )
349  val peripheralNode = AXI4SlaveNode(Seq(AXI4SlavePortParameters(
350    Seq(AXI4SlaveParameters(
351      address = peripheralRange,
352      regionType = RegionType.UNCACHED,
353      supportsRead = TransferSizes(1, 32),
354      supportsWrite = TransferSizes(1, 32),
355      interleavedId = Some(0)
356    ), uartParams),
357    beatBytes = 8
358  )))
359
360  val axi4peripheral_node = AXI4IdentityNode()
361  val error_xbar = Option.when(enableCHI)(TLXbar())
362
363  peripheralNode :=
364    AXI4UserYanker() :=
365    AXI4IdIndexer(idBits = 2) :=
366    AXI4Buffer() :=
367    AXI4Buffer() :=
368    AXI4Buffer() :=
369    AXI4Buffer() :=
370    AXI4UserYanker() :=
371    // AXI4Deinterleaver(8) :=
372    axi4peripheral_node
373
374  if (enableCHI) {
375    val error = LazyModule(new TLError(
376      params = DevNullParams(
377        address = Seq(AddressSet(0x1000000000000L, 0xffffffffffffL)),
378        maxAtomic = 8,
379        maxTransfer = 64),
380      beatBytes = 8
381    ))
382    error.node := error_xbar.get
383    axi4peripheral_node :=
384      AXI4Deinterleaver(8) :=
385      TLToAXI4() :=
386      error_xbar.get :=
387      TLBuffer.chainNode(2, Some("llc_to_peripheral_buffer")) :=
388      TLFIFOFixer() :=
389      TLWidthWidget(L3OuterBusWidth / 8) :=
390      AXI4ToTL() :=
391      AXI4UserYanker() :=
392      soc_xbar.get
393  } else {
394    axi4peripheral_node :=
395      AXI4Deinterleaver(8) :=
396      TLToAXI4() :=
397      TLBuffer.chainNode(3) :=
398      peripheralXbar.get
399  }
400
401  val peripheral = InModuleBody {
402    peripheralNode.makeIOs()
403  }
404
405}
406
407class MemMisc()(implicit p: Parameters) extends BaseSoC
408  with HaveAXI4MemPort
409  with PMAConst
410  with HaveAXI4PeripheralPort
411{
412
413  val peripheral_ports = Option.when(!enableCHI)(Array.fill(NumCores) { TLTempNode() })
414  val core_to_l3_ports = Option.when(!enableCHI)(Array.fill(NumCores) { TLTempNode() })
415
416  val l3_in = TLTempNode()
417  val l3_out = TLTempNode()
418
419  val device_xbar = Option.when(enableCHI)(TLXbar())
420  device_xbar.foreach(_ := error_xbar.get)
421
422  if (l3_banked_xbar.isDefined) {
423    l3_in :*= TLEdgeBuffer(_ => true, Some("L3_in_buffer")) :*= l3_banked_xbar.get
424    l3_banked_xbar.get := TLBuffer.chainNode(2) := l3_xbar.get
425  }
426  bankedNode match {
427    case Some(bankBinder) =>
428      bankBinder :*= TLLogger("MEM_L3", !debugOpts.FPGAPlatform && debugOpts.AlwaysBasicDB) :*= l3_out
429    case None =>
430  }
431
432  if(soc.L3CacheParamsOpt.isEmpty){
433    l3_out :*= l3_in
434  }
435
436  if (!enableCHI) {
437    for (port <- peripheral_ports.get) {
438      peripheralXbar.get := TLBuffer.chainNode(2, Some("L2_to_L3_peripheral_buffer")) := port
439    }
440  }
441
442  core_to_l3_ports.foreach { case _ =>
443    for ((core_out, i) <- core_to_l3_ports.get.zipWithIndex){
444      l3_banked_xbar.get :=*
445        TLLogger(s"L3_L2_$i", !debugOpts.FPGAPlatform && debugOpts.AlwaysBasicDB) :=*
446        TLBuffer() :=
447        core_out
448    }
449  }
450
451  val clint = LazyModule(new CLINT(CLINTParams(soc.CLINTRange.base), 8))
452  if (enableCHI) { clint.node := device_xbar.get }
453  else { clint.node := peripheralXbar.get }
454
455  class IntSourceNodeToModule(val num: Int)(implicit p: Parameters) extends LazyModule {
456    val sourceNode = IntSourceNode(IntSourcePortSimple(num, ports = 1, sources = 1))
457    class IntSourceNodeToModuleImp(wrapper: LazyModule) extends LazyModuleImp(wrapper) {
458      val in = IO(Input(Vec(num, Bool())))
459      in.zip(sourceNode.out.head._1).foreach{ case (i, s) => s := i }
460    }
461    lazy val module = new IntSourceNodeToModuleImp(this)
462  }
463
464  val plic = LazyModule(new TLPLIC(PLICParams(soc.PLICRange.base), 8))
465  val plicSource = LazyModule(new IntSourceNodeToModule(NrExtIntr))
466
467  plic.intnode := plicSource.sourceNode
468  if (enableCHI) { plic.node := device_xbar.get }
469  else { plic.node := peripheralXbar.get }
470
471  val pll_node = TLRegisterNode(
472    address = Seq(soc.PLLRange),
473    device = new SimpleDevice("pll_ctrl", Seq()),
474    beatBytes = 8,
475    concurrency = 1
476  )
477  if (enableCHI) { pll_node := device_xbar.get }
478  else { pll_node := peripheralXbar.get }
479
480  val debugModule = LazyModule(new DebugModule(NumCores)(p))
481  val debugModuleXbarOpt = Option.when(SeperateDMBus)(TLXbar())
482  if (enableCHI) {
483    if (SeperateDMBus) {
484      debugModule.debug.node := debugModuleXbarOpt.get
485    } else {
486      debugModule.debug.node := device_xbar.get
487    }
488    debugModule.debug.dmInner.dmInner.sb2tlOpt.foreach { sb2tl =>
489      error_xbar.get := sb2tl.node
490    }
491  } else {
492    if (SeperateDMBus) {
493      debugModule.debug.node := debugModuleXbarOpt.get
494    } else {
495      debugModule.debug.node := peripheralXbar.get
496    }
497    debugModule.debug.dmInner.dmInner.sb2tlOpt.foreach { sb2tl  =>
498      l3_xbar.get := TLBuffer() := TLWidthWidget(1) := sb2tl.node
499    }
500  }
501
502  val pma = LazyModule(new TLPMA)
503  if (enableCHI) {
504    pma.node := TLBuffer.chainNode(4) := device_xbar.get
505    if (HasMEMencryption) {
506      axi4memencrpty.get.ctrl_node := TLToAPB() := device_xbar.get
507    }
508  } else {
509    pma.node := TLBuffer.chainNode(4) := peripheralXbar.get
510    if (HasMEMencryption) {
511      axi4memencrpty.get.ctrl_node := TLToAPB() := peripheralXbar.get
512    }
513  }
514
515  class SoCMiscImp(wrapper: LazyModule) extends LazyModuleImp(wrapper) {
516
517    val debug_module_io = IO(new debugModule.DebugModuleIO)
518    val ext_intrs = IO(Input(UInt(NrExtIntr.W)))
519    val rtc_clock = IO(Input(Bool()))
520    val pll0_lock = IO(Input(Bool()))
521    val pll0_ctrl = IO(Output(Vec(6, UInt(32.W))))
522    val cacheable_check = IO(new TLPMAIO)
523    val clintTime = IO(Output(ValidIO(UInt(64.W))))
524
525    debugModule.module.io <> debug_module_io
526
527    // sync external interrupts
528    require(plicSource.module.in.length == ext_intrs.getWidth)
529    for ((plic_in, interrupt) <- plicSource.module.in.zip(ext_intrs.asBools)) {
530      val ext_intr_sync = RegInit(0.U(3.W))
531      ext_intr_sync := Cat(ext_intr_sync(1, 0), interrupt)
532      plic_in := ext_intr_sync(2)
533    }
534
535    pma.module.io <> cacheable_check
536
537    if (HasMEMencryption) {
538      val cnt = Counter(true.B, 8)._1
539      axi4memencrpty.get.module.io.random_val := axi4memencrpty.get.module.io.random_req && cnt(2).asBool
540      axi4memencrpty.get.module.io.random_data := cnt(0).asBool
541    }
542    // positive edge sampling of the lower-speed rtc_clock
543    val rtcTick = RegInit(0.U(3.W))
544    rtcTick := Cat(rtcTick(1, 0), rtc_clock)
545    clint.module.io.rtcTick := rtcTick(1) && !rtcTick(2)
546
547    val pll_ctrl_regs = Seq.fill(6){ RegInit(0.U(32.W)) }
548    val pll_lock = RegNext(next = pll0_lock, init = false.B)
549
550    clintTime := clint.module.io.time
551
552    pll0_ctrl <> VecInit(pll_ctrl_regs)
553
554    pll_node.regmap(
555      0x000 -> RegFieldGroup(
556        "Pll", Some("PLL ctrl regs"),
557        pll_ctrl_regs.zipWithIndex.map{
558          case (r, i) => RegField(32, r, RegFieldDesc(
559            s"PLL_ctrl_$i",
560            desc = s"PLL ctrl register #$i"
561          ))
562        } :+ RegField.r(32, Cat(0.U(31.W), pll_lock), RegFieldDesc(
563          "PLL_lock",
564          "PLL lock register"
565        ))
566      )
567    )
568  }
569
570  lazy val module = new SoCMiscImp(this)
571}
572
573class SoCMisc()(implicit p: Parameters) extends MemMisc
574  with HaveSlaveAXI4Port
575
576