testchipip

Useful IP components for chips. BAR projects generally use these components with chipyard.

testchipip.boot

• BootAddrReg: periphery device intended for use with testchipip/bootrom
• TileResetCtrl: memory-mapped Tile-reset registers
• CustomBootPin: I/O for setting non-default boot address to BootAddrReg

testchipip.clocking

• ClockGates, ClockMuxes, ClockDividers, etc.
• ResetSynchronizers

testchipip.cosim

• SpikeCosim: Spike-based cosimulation model
• TraceIO: Utilities for pulling instruction traces out of SoCs
• Dromajo: DEPRECATED Dromajo cosimulation model

testchipip.dram

• SimDRAM: DRAMSim-backed AXI-4 memory model
• SimTLMem: Magic TileLink memory

testchipip.iceblk

• IceBlk: Peripheral block device for FireSim

testchipip.serdes

• GenericSerdesser: Generic Decoupled bidirectional Serdes generators
• TLSerdesser: TileLink bi-directional serializer
• PeripheryTLSerial: Attaches TLSerdesser to chip buses
• SerialWidthAdapter: Converts between serial interfaces of different widths

testchipip.soc

• OffchipBus: Custom bus for interfacing with off-chip memory
• Scratchpad: TileLink SRAM-backed on-chip scratchpad memory
• SimDTM: Simulation model for interacting with on-chip debug module
• TLNetwork: DEPRECATED mechanism for creating a TileLink network-on-chip. Use Constellation NoC instead

testchipip.spi

• SimSPIFlashModel: Simulation model for SPI flash memory

testchipip.tsi

• TSIToTileLink: Converts a TSI master to a TileLink master
• SimTSI: Simulation model for interacting with a TSI interface
• TSIHarness: Utilities for attaching TSI-simulation devices to a TestHarness
• PeripheryUARTTSI: Attaches a TSI-over-UART interface to a bringup FPGA or chip

testchipip.uart

• UARTToSerial: Converts UART to a chip's serial interface
• SimUART: Simulation model for a chip's UART

bootrom/

• Custom BootROM for SoCs with extra bringup features

uart_tsi

• Host utility tool based on FESVR for interfacing with FPGA prototypes or test-chips using the TSI protocol over a UART physical interface

Usage

Testchipip can be used in your project in one of two ways:

1. As an sbt subproject that depends on rocket-chip, as in chipyard
2. As a maven dependency (e.g. write

libraryDependencies += "edu.berkeley.cs" %% "testchipip" % "1.0-020719-SNAPSHOT"

in your build.sbt). Check sonatype to see the latest published version.