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artiq/artiq/gateware/targets/sayma_amc_drtio_satellite.py

114 lines
4.3 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import os
from migen import *
from migen.build.generic_platform import *
from misoc.cores import spi as spi_csr
from misoc.cores import gpio
from misoc.integration.soc_sdram import soc_sdram_args, soc_sdram_argdict
from misoc.integration.builder import builder_args, builder_argdict
from misoc.targets.sayma_amc import BaseSoC
from artiq.gateware import rtio
from artiq.gateware.rtio.phy import ttl_simple
from artiq.gateware.drtio.transceiver import gth_ultrascale
from artiq.gateware.drtio import DRTIOSatellite
from artiq import __version__ as artiq_version
from artiq import __artiq_dir__ as artiq_dir
class Satellite(BaseSoC):
mem_map = {
"drtio_aux": 0x50000000,
}
mem_map.update(BaseSoC.mem_map)
def __init__(self, **kwargs):
BaseSoC.__init__(self,
cpu_type="or1k",
sdram_controller_type="minicon",
l2_size=128*1024,
ident=artiq_version,
**kwargs)
platform = self.platform
rtio_channels = []
for i in range(4):
phy = ttl_simple.Output(platform.request("user_led", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
sma_io = platform.request("sma_io", 0)
self.comb += sma_io.direction.eq(1)
phy = ttl_simple.Output(sma_io.level)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
sma_io = platform.request("sma_io", 1)
self.comb += sma_io.direction.eq(0)
phy = ttl_simple.InOut(sma_io.level)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")
self.submodules.transceiver = gth_7series.GTH(
clock_pads=platform.request("si5324_clkout"),
tx_pads=platform.request("sfp_tx"),
rx_pads=platform.request("sfp_rx"),
sys_clk_freq=self.clk_freq)
rx0 = ClockDomainsRenamer({"rtio_rx": "rtio_rx0"})
self.submodules.rx_synchronizer0 = rx0(gth_ultrascale.RXSynchronizer(
self.transceiver.rtio_clk_freq, initial_phase=180.0))
self.submodules.drtio0 = rx0(DRTIOSatellite(
self.transceiver.channels[0], rtio_channels, self.rx_synchronizer0))
self.csr_devices.append("rx_synchronizer0")
self.csr_devices.append("drtio0")
self.add_wb_slave(self.mem_map["drtio_aux"], 0x800,
self.drtio0.aux_controller.bus)
self.add_memory_region("drtio0_aux", self.mem_map["drtio_aux"] | self.shadow_base, 0x800)
self.config["HAS_DRTIO"] = None
self.add_csr_group("drtio", ["drtio0"])
self.add_memory_group("drtio_aux", ["drtio0_aux"])
self.config["RTIO_FREQUENCY"] = str(self.transceiver.rtio_clk_freq/1e6)
si5324_clkin = platform.request("si5324_clkin")
self.specials += \
Instance("OBUFDS",
i_I=ClockSignal("rtio_rx0"),
o_O=si5324_clkin.p, o_OB=si5324_clkin.n
)
self.submodules.si5324_rst_n = gpio.GPIOOut(platform.request("si5324").rst_n)
self.csr_devices.append("si5324_rst_n")
i2c = self.platform.request("i2c")
self.submodules.i2c = gpio.GPIOTristate([i2c.scl, i2c.sda])
self.csr_devices.append("i2c")
self.config["I2C_BUS_COUNT"] = 1
self.config["HAS_SI5324"] = None
rtio_clk_period = 1e9/self.transceiver.rtio_clk_freq
platform.add_period_constraint(self.transceiver.txoutclk, rtio_clk_period)
platform.add_period_constraint(self.transceiver.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.transceiver.txoutclk, self.transceiver.rxoutclk)
def main():
parser = argparse.ArgumentParser(
description="ARTIQ device binary builder / Sayma DRTIO satellite")
builder_args(parser)
soc_sdram_args(parser)
args = parser.parse_args()
soc = Satellite(**soc_sdram_argdict(args))
builder = Builder(soc, **builder_argdict(args))
builder.add_software_package("satman", os.path.join(artiq_dir, "firmware", "satman"))
builder.build()
if __name__ == "__main__":
main()