forked from M-Labs/artiq
kc705_drtio_satellite: add MiSoC system, hook up auxiliary controller
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f4b7d39a69
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@ -2,18 +2,21 @@ import argparse
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from migen import *
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from migen.build.generic_platform import *
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from migen.build.platforms import kc705
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from misoc.cores.i2c import *
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from misoc.cores.sequencer import *
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from misoc.integration.builder import *
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from misoc.integration.soc_core import mem_decoder
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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 import DRTIOSatellite
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from artiq import __version__ as artiq_version
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# TODO: parameters for sawg_3g
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# TODO: move I2C programming to softcore CPU
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def get_i2c_program(sys_clk_freq):
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# NOTE: the logical parameters DO NOT MAP to physical values written
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# into registers. They have to be mapped; see the datasheet.
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@ -121,9 +124,21 @@ fmc_clock_io = [
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]
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class Satellite(Module):
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def __init__(self, cfg, medium, toolchain):
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self.platform = platform = kc705.Platform(toolchain=toolchain)
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class Satellite(BaseSoC):
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mem_map = {
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"drtio_aux": 0x60000000,
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}
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mem_map.update(BaseSoC.mem_map)
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def __init__(self, cfg, medium, **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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ident=artiq_version,
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**kwargs)
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platform = self.platform
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rtio_channels = []
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for i in range(8):
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@ -135,16 +150,9 @@ class Satellite(Module):
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self.submodules += phy
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rtio_channels.append(rtio.Channel.from_phy(phy))
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sys_clock_pads = platform.request("clk156")
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self.clock_domains.cd_sys = ClockDomain(reset_less=True)
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self.specials += Instance("IBUFGDS",
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i_I=sys_clock_pads.p, i_IB=sys_clock_pads.n,
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o_O=self.cd_sys.clk)
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sys_clk_freq = 156000000
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i2c_master = I2CMaster(platform.request("i2c"))
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sequencer = ResetInserter()(Sequencer(get_i2c_program(sys_clk_freq)))
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si5324_reset_clock = Si5324ResetClock(platform, sys_clk_freq)
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sequencer = ResetInserter()(Sequencer(get_i2c_program(self.clk_freq)))
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si5324_reset_clock = Si5324ResetClock(platform, self.clk_freq)
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self.submodules += i2c_master, sequencer, si5324_reset_clock
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self.comb += [
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sequencer.bus.connect(i2c_master.bus),
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@ -168,7 +176,7 @@ class Satellite(Module):
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clock_pads=platform.request("sgmii_clock"),
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tx_pads=tx_pads,
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rx_pads=rx_pads,
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sys_clk_freq=sys_clk_freq,
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sys_clk_freq=self.clk_freq,
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clock_div2=True)
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elif cfg == "sawg_3g":
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# 3Gb link, 150MHz RTIO clock
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@ -178,33 +186,32 @@ class Satellite(Module):
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clock_pads=platform.request("ad9154_refclk"),
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tx_pads=tx_pads,
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rx_pads=rx_pads,
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sys_clk_freq=sys_clk_freq)
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sys_clk_freq=self.clk_freq)
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else:
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raise ValueError
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self.submodules.rx_synchronizer = gtx_7series.RXSynchronizer(
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self.transceiver.rtio_clk_freq)
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self.submodules.drtio = DRTIOSatellite(
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self.transceiver, self.rx_synchronizer, rtio_channels)
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self.csr_devices.append("rx_synchronizer")
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self.csr_devices.append("drtio")
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self.add_wb_slave(mem_decoder(self.mem_map["drtio_aux"]),
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self.drtio.aux_controller.bus)
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self.add_memory_region("drtio_aux", self.mem_map["drtio_aux"] | self.shadow_base, 0x800)
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rtio_clk_period = 1e9/self.transceiver.rtio_clk_freq
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platform.add_period_constraint(self.transceiver.txoutclk, rtio_clk_period)
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platform.add_period_constraint(self.transceiver.rxoutclk, rtio_clk_period)
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platform.add_false_path_constraints(
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sys_clock_pads,
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platform.lookup_request("clk200"),
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self.transceiver.txoutclk, self.transceiver.rxoutclk)
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def build(self, *args, **kwargs):
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self.platform.build(self, *args, **kwargs)
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def main():
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parser = argparse.ArgumentParser(description="KC705 DRTIO satellite")
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parser.add_argument("--toolchain", default="vivado",
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help="FPGA toolchain to use: ise, vivado")
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parser.add_argument("--output-dir", default="drtiosat_kc705",
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help="output directory for generated "
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"source files and binaries")
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parser = argparse.ArgumentParser(
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description="ARTIQ with DRTIO on KC705 - Satellite")
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builder_args(parser)
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soc_kc705_args(parser)
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parser.add_argument("-c", "--config", default="simple_gbe",
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help="configuration: simple_gbe/sawg_3g "
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"(default: %(default)s)")
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@ -213,8 +220,10 @@ def main():
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"(default: %(default)s)")
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args = parser.parse_args()
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top = Satellite(args.config, args.medium, args.toolchain)
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top.build(build_dir=args.output_dir)
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soc = Satellite(args.config, args.medium, **soc_kc705_argdict(args))
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builder = Builder(soc, **builder_argdict(args))
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builder.build()
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if __name__ == "__main__":
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main()
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