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add scratchpad config (default size = 4MB) | other misc comments (#383)

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This commit is contained in:
Abraham Gonzalez
2020-01-22 09:08:38 -08:00
committed by GitHub
parent 335bbf7651
commit 5358d2952b
4 changed files with 85 additions and 5 deletions
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17
generators/example/src/main/scala/RocketConfigs.scala
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@@ -216,9 +216,9 @@ class InitZeroRocketConfig extends Config(
class LoopbackNICRocketConfig extends Config(
new WithTSI ++
new WithIceNIC ++
new WithIceNIC ++ // add an IceNIC
new WithNoGPIO ++
new WithLoopbackNIC ++
new WithLoopbackNIC ++ // loopback the IceNIC
new WithBootROM ++
new WithUART ++
new freechips.rocketchip.subsystem.WithNoMMIOPort ++
@@ -226,3 +226,16 @@ class LoopbackNICRocketConfig extends Config(
new freechips.rocketchip.subsystem.WithInclusiveCache ++
new freechips.rocketchip.subsystem.WithNBigCores(1) ++
new freechips.rocketchip.system.BaseConfig)
class ScratchpadRocketConfig extends Config(
new WithTSI ++
new WithNoGPIO ++
new WithBootROM ++
new WithUART ++
new WithBackingScratchpad ++ // add backing scratchpad
new freechips.rocketchip.subsystem.WithNoMemPort ++ // remove offchip mem port
new freechips.rocketchip.subsystem.WithNoMMIOPort ++
new freechips.rocketchip.subsystem.WithNoSlavePort ++
new freechips.rocketchip.subsystem.WithInclusiveCache ++
new freechips.rocketchip.subsystem.WithNBigCores(1) ++
new freechips.rocketchip.system.BaseConfig)