artiq/artiq/gateware/targets/kc705_drtio_master.py

123 lines
4.7 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
from migen import *
from migen.build.generic_platform import *
from misoc.cores import spi as spi_csr
from misoc.targets.kc705 import MiniSoC, soc_kc705_args, soc_kc705_argdict
from misoc.integration.soc_core import mem_decoder
from misoc.integration.builder import builder_args, builder_argdict
from artiq.gateware.ad9154_fmc_ebz import ad9154_fmc_ebz
from artiq.gateware.amp import AMPSoC, build_artiq_soc
from artiq.gateware import rtio
from artiq.gateware.rtio.phy import ttl_simple
from artiq.gateware.drtio.transceiver import gtx_7series
from artiq.gateware.drtio import DRTIOMaster
from artiq import __version__ as artiq_version
class Master(MiniSoC, AMPSoC):
mem_map = {
"rtio": 0x20000000,
"rtio_dma": 0x30000000,
"drtio_aux": 0x50000000,
"mailbox": 0x70000000
}
mem_map.update(MiniSoC.mem_map)
def __init__(self, cfg, **kwargs):
MiniSoC.__init__(self,
cpu_type="or1k",
sdram_controller_type="minicon",
l2_size=128*1024,
ident=artiq_version,
**kwargs)
AMPSoC.__init__(self)
platform = self.platform
self.comb += platform.request("sfp_tx_disable_n").eq(1)
tx_pads = platform.request("sfp_tx")
rx_pads = platform.request("sfp_rx")
if cfg == "simple_gbe":
# GTX_1000BASE_BX10 Ethernet compatible, 62.5MHz RTIO clock
# simple TTLs
self.submodules.transceiver = gtx_7series.GTX_1000BASE_BX10(
clock_pads=platform.request("sgmii_clock"),
tx_pads=tx_pads,
rx_pads=rx_pads,
sys_clk_freq=self.clk_freq,
clock_div2=True)
elif cfg == "sawg_3g":
# 3Gb link, 150MHz RTIO clock
# with SAWG on local RTIO and AD9154-FMC-EBZ
platform.add_extension(ad9154_fmc_ebz)
self.submodules.transceiver = gtx_7series.GTX_3G(
clock_pads=platform.request("ad9154_refclk"),
tx_pads=tx_pads,
rx_pads=rx_pads,
sys_clk_freq=self.clk_freq)
ad9154_spi = platform.request("ad9154_spi")
self.comb += ad9154_spi.en.eq(1)
self.submodules.converter_spi = spi_csr.SPIMaster(ad9154_spi)
self.csr_devices.append("converter_spi")
self.config["CONVERTER_SPI_DAC_CS"] = 0
self.config["CONVERTER_SPI_CLK_CS"] = 1
self.config["HAS_AD9516"] = None
else:
raise ValueError
self.submodules.drtio = DRTIOMaster(self.transceiver)
self.csr_devices.append("drtio")
self.add_wb_slave(mem_decoder(self.mem_map["drtio_aux"]),
self.drtio.aux_controller.bus)
self.add_memory_region("drtio_aux", self.mem_map["drtio_aux"] | self.shadow_base, 0x800)
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)
rtio_channels = []
for i in range(8):
phy = ttl_simple.Output(platform.request("user_led", i))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for sma in "user_sma_gpio_p", "user_sma_gpio_n":
phy = ttl_simple.Inout(platform.request(sma))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.submodules.rtio_core = rtio.Core(rtio_channels, 3)
self.csr_devices.append("rtio_core")
self.submodules.rtio = rtio.KernelInitiator()
self.submodules.rtio_dma = rtio.DMA(self.get_native_sdram_if())
self.register_kernel_cpu_csrdevice("rtio")
self.register_kernel_cpu_csrdevice("rtio_dma")
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.rtio.cri, self.rtio_dma.cri],
[self.drtio.cri, self.rtio_core.cri])
def main():
parser = argparse.ArgumentParser(
description="ARTIQ device binary builder / KC705 DRTIO master")
builder_args(parser)
soc_kc705_args(parser)
parser.add_argument("-c", "--config", default="simple_gbe",
help="configuration: simple_gbe/sawg_3g "
"(default: %(default)s)")
args = parser.parse_args()
soc = Master(args.config, **soc_kc705_argdict(args))
build_artiq_soc(soc, builder_argdict(args))
if __name__ == "__main__":
main()