mirror of https://github.com/m-labs/artiq.git
199 lines
7.9 KiB
Python
Executable File
199 lines
7.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import os
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from migen import *
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from migen.build.generic_platform import *
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from migen.build.xilinx.vivado import XilinxVivadoToolchain
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from migen.build.xilinx.ise import XilinxISEToolchain
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from misoc.cores import spi as spi_csr
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from misoc.cores import gpio
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from misoc.integration.builder import *
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from misoc.targets.kc705 import BaseSoC, soc_kc705_args, soc_kc705_argdict
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from artiq.gateware import rtio
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from artiq.gateware.rtio.phy import ttl_simple
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from artiq.gateware.drtio.transceiver import gtx_7series
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from artiq.gateware.drtio.siphaser import SiPhaser7Series
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from artiq.gateware.drtio.rx_synchronizer import XilinxRXSynchronizer
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from artiq.gateware.drtio import *
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from artiq.build_soc import *
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# DEBUG
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from microscope import *
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class Satellite(BaseSoC):
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mem_map = {
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"drtioaux": 0x50000000,
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}
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mem_map.update(BaseSoC.mem_map)
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def __init__(self, gateware_identifier_str=None, sma_as_sat=False, **kwargs):
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BaseSoC.__init__(self,
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cpu_type="or1k",
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sdram_controller_type="minicon",
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l2_size=128*1024,
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integrated_sram_size=8192,
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**kwargs)
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add_identifier(self, gateware_identifier_str=gateware_identifier_str)
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if isinstance(self.platform.toolchain, XilinxVivadoToolchain):
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self.platform.toolchain.bitstream_commands.extend([
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"set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",
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])
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if isinstance(self.platform.toolchain, XilinxISEToolchain):
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self.platform.toolchain.bitgen_opt += " -g compress"
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platform = self.platform
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self.comb += platform.request("sfp_tx_disable_n").eq(1)
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tx_pads = [
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platform.request("sfp_tx"), platform.request("user_sma_mgt_tx")
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]
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rx_pads = [
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platform.request("sfp_rx"), platform.request("user_sma_mgt_rx")
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]
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if sma_as_sat:
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tx_pads = tx_pads[::-1]
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rx_pads = rx_pads[::-1]
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# 1000BASE_BX10 Ethernet compatible, 125MHz RTIO clock
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self.submodules.drtio_transceiver = gtx_7series.GTX(
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clock_pads=platform.request("si5324_clkout"),
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tx_pads=tx_pads,
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rx_pads=rx_pads,
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sys_clk_freq=self.clk_freq)
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self.csr_devices.append("drtio_transceiver")
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self.submodules.rtio_tsc = rtio.TSC("sync", glbl_fine_ts_width=3)
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drtioaux_csr_group = []
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drtioaux_memory_group = []
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drtiorep_csr_group = []
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self.drtio_cri = []
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for i in range(len(self.drtio_transceiver.channels)):
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coreaux_name = "drtioaux" + str(i)
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memory_name = "drtioaux" + str(i) + "_mem"
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drtioaux_csr_group.append(coreaux_name)
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drtioaux_memory_group.append(memory_name)
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cdr = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)})
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# Satellite
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if i == 0:
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self.submodules.rx_synchronizer = cdr(XilinxRXSynchronizer())
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core = cdr(DRTIOSatellite(
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self.rtio_tsc, self.drtio_transceiver.channels[0], self.rx_synchronizer))
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self.submodules.drtiosat = core
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self.csr_devices.append("drtiosat")
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# Repeaters
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else:
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corerep_name = "drtiorep" + str(i-1)
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drtiorep_csr_group.append(corerep_name)
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core = cdr(DRTIORepeater(
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self.rtio_tsc, self.drtio_transceiver.channels[i]))
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setattr(self.submodules, corerep_name, core)
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self.drtio_cri.append(core.cri)
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self.csr_devices.append(corerep_name)
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coreaux = cdr(DRTIOAuxController(core.link_layer))
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setattr(self.submodules, coreaux_name, coreaux)
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self.csr_devices.append(coreaux_name)
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memory_address = self.mem_map["drtioaux"] + 0x800*i
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self.add_wb_slave(memory_address, 0x800,
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coreaux.bus)
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self.add_memory_region(memory_name, memory_address | self.shadow_base, 0x800)
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self.config["HAS_DRTIO"] = None
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self.config["HAS_DRTIO_ROUTING"] = None
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self.add_csr_group("drtioaux", drtioaux_csr_group)
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self.add_memory_group("drtioaux_mem", drtioaux_memory_group)
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self.add_csr_group("drtiorep", drtiorep_csr_group)
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self.config["RTIO_FREQUENCY"] = str(self.drtio_transceiver.rtio_clk_freq/1e6)
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# Si5324 Phaser
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self.submodules.siphaser = SiPhaser7Series(
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si5324_clkin=platform.request("si5324_clkin"),
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rx_synchronizer=self.rx_synchronizer,
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ultrascale=False,
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rtio_clk_freq=self.drtio_transceiver.rtio_clk_freq)
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platform.add_false_path_constraints(
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self.crg.cd_sys.clk, self.siphaser.mmcm_freerun_output)
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self.csr_devices.append("siphaser")
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self.submodules.si5324_rst_n = gpio.GPIOOut(platform.request("si5324").rst_n)
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self.csr_devices.append("si5324_rst_n")
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i2c = self.platform.request("i2c")
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self.submodules.i2c = gpio.GPIOTristate([i2c.scl, i2c.sda])
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self.csr_devices.append("i2c")
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self.config["I2C_BUS_COUNT"] = 1
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self.config["HAS_SI5324"] = None
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self.comb += [
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platform.request("user_sma_clock_p").eq(ClockSignal("rtio_rx0")),
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platform.request("user_sma_clock_n").eq(ClockSignal("rtio"))
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]
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rtio_clk_period = 1e9/self.drtio_transceiver.rtio_clk_freq
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# Constrain TX & RX timing for the first transceiver channel
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# (First channel acts as master for phase alignment for all channels' TX)
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gtx0 = self.drtio_transceiver.gtxs[0]
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platform.add_period_constraint(gtx0.txoutclk, rtio_clk_period)
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platform.add_period_constraint(gtx0.rxoutclk, rtio_clk_period)
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platform.add_false_path_constraints(
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self.crg.cd_sys.clk,
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gtx0.txoutclk, gtx0.rxoutclk)
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# Constrain RX timing for the each transceiver channel
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# (Each channel performs single-lane phase alignment for RX)
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for gtx in self.drtio_transceiver.gtxs[1:]:
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platform.add_period_constraint(gtx.rxoutclk, rtio_clk_period)
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platform.add_false_path_constraints(
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self.crg.cd_sys.clk, gtx.rxoutclk)
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rtio_channels = []
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for i in range(8):
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phy = ttl_simple.Output(platform.request("user_led", i))
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self.submodules += phy
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rtio_channels.append(rtio.Channel.from_phy(phy))
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for sma in "user_sma_gpio_p", "user_sma_gpio_n":
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phy = ttl_simple.InOut(platform.request(sma))
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self.submodules += phy
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rtio_channels.append(rtio.Channel.from_phy(phy))
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self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
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self.csr_devices.append("rtio_moninj")
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self.submodules.local_io = SyncRTIO(self.rtio_tsc, rtio_channels)
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self.comb += self.drtiosat.async_errors.eq(self.local_io.async_errors)
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self.submodules.cri_con = rtio.CRIInterconnectShared(
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[self.drtiosat.cri],
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[self.local_io.cri] + self.drtio_cri,
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mode="sync", enable_routing=True)
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self.csr_devices.append("cri_con")
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self.submodules.routing_table = rtio.RoutingTableAccess(self.cri_con)
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self.csr_devices.append("routing_table")
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def main():
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parser = argparse.ArgumentParser(
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description="ARTIQ device binary builder / KC705 DRTIO satellite")
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builder_args(parser)
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soc_kc705_args(parser)
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parser.set_defaults(output_dir="artiq_kc705/satellite")
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parser.add_argument("--sma", default=False, action="store_true",
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help="use the SMA connectors (RX: J17, J18, TX: J19, J20) "
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"as DRTIO satellite channel instead of the SFP")
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args = parser.parse_args()
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argdict = dict()
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argdict["sma_as_sat"] = args.sma
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soc = Satellite(**soc_kc705_argdict(args), **argdict)
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build_artiq_soc(soc, builder_argdict(args))
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if __name__ == "__main__":
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main()
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