forked from M-Labs/artiq
sayma_amc: SAWG (untested)
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@ -2,34 +2,138 @@
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import argparse
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import os
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from collections import namedtuple
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from migen import *
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from migen.genlib.resetsync import AsyncResetSynchronizer
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from misoc.cores import gpio
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from misoc.integration.soc_sdram import soc_sdram_args, soc_sdram_argdict
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from misoc.integration.builder import builder_args, builder_argdict
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from misoc.interconnect import stream
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from misoc.interconnect.csr import *
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from misoc.targets.sayma_amc import MiniSoC
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from jesd204b.common import (JESD204BTransportSettings,
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JESD204BPhysicalSettings,
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JESD204BSettings)
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from jesd204b.phy.gth import GTHQuadPLL as JESD204BGTHQuadPLL
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from jesd204b.phy import JESD204BPhyTX
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from jesd204b.core import JESD204BCoreTX
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from jesd204b.core import JESD204BCoreTXControl
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from artiq.gateware.amp import AMPSoC, build_artiq_soc
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from artiq.gateware import serwb
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from artiq.gateware import remote_csr
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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.rtio.phy import ttl_simple, sawg
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from artiq import __version__ as artiq_version
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PhyPads = namedtuple("PhyPads", "txp txn")
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to_jesd = ClockDomainsRenamer("jesd")
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class AD9154JESD(Module, AutoCSR):
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def __init__(self, platform):
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self.jreset = CSRStorage(reset=1)
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ps = JESD204BPhysicalSettings(l=8, m=4, n=16, np=16)
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ts = JESD204BTransportSettings(f=2, s=2, k=16, cs=0)
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settings = JESD204BSettings(ps, ts, did=0x5a, bid=0x5)
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linerate = 10e9
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refclk_freq = 250e6
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fabric_freq = 125*1000*1000
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self.refclk = Signal()
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refclk2 = Signal()
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self.clock_domains.cd_jesd = ClockDomain()
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refclk_pads = platform.request("dac_refclk")
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self.specials += [
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Instance("IBUFDS_GTE3", i_CEB=0, p_REFCLK_HROW_CK_SEL=0b00,
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i_I=refclk_pads.p, i_IB=refclk_pads.n,
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o_O=self.refclk, o_ODIV2=refclk2),
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Instance("BUFG_GT", i_I=refclk2, o_O=self.cd_jesd.clk),
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AsyncResetSynchronizer(self.cd_jesd, self.jreset.storage),
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]
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self.cd_jesd.clk.attr.add("keep")
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platform.add_period_constraint(self.cd_jesd.clk, 1e9/refclk_freq)
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self.phys = []
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for dac in range(2):
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jesd_pads = platform.request("dac_jesd", dac)
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phys = []
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self.phys.append(phys)
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for i in range(len(jesd_pads.txp)):
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if i % 4 == 0:
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qpll = JESD204BGTHQuadPLL(
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self.refclk, refclk_freq, linerate)
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self.submodules += qpll
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print(qpll) # FIXME
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phy = JESD204BPhyTX(
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qpll, PhyPads(jesd_pads.txp[i], jesd_pads.txn[i]),
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fabric_freq, transceiver="gth")
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phy.transmitter.cd_tx.clk.attr.add("keep")
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platform.add_period_constraint(phy.transmitter.cd_tx.clk,
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40*1e9/linerate)
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platform.add_false_path_constraints(
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# self.crg.cd_sys.clk, FIXME?
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self.cd_jesd.clk,
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phy.transmitter.cd_tx.clk)
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phys.append(phy)
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core = to_jesd(JESD204BCoreTX(
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phys, settings, converter_data_width=64))
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setattr(self.submodules, "core{}".format(dac), core)
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control = to_jesd(JESD204BCoreTXControl(core))
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setattr(self.submodules, "control{}".format(dac), control)
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core.register_jsync(platform.request("dac_sync", dac))
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# self.comb += platform.request("user_led", 3).eq(self.core0.jsync)
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# blinking leds for transceiver reset status
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#for i in range(4):
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# counter = Signal(max=fabric_freq)
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# self.comb += platform.request("user_led", 4 + i).eq(counter[-1])
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# sync = getattr(self.sync, "phy{}_tx".format(i))
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# sync += [
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# counter.eq(counter - 1),
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# If(counter == 0,
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# counter.eq(fabric_freq - 1)
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# )
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# ]
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class AD9154(Module, AutoCSR):
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def __init__(self, platform):
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self.submodules.jesd = AD9154JESD(platform)
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self.sawgs = [sawg.Channel(width=16, parallelism=8) for i in range(8)]
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self.submodules += self.sawgs
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# for i in range(len(self.sawgs)):
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# self.sawgs[i].connect_y(self.sawgs[i ^ 1])
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for conv, ch in zip(
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self.jesd.core0.sink.flatten() +
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self.jesd.core1.sink.flatten(),
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self.sawgs):
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self.sync.jesd += conv.eq(Cat(ch.o))
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class SaymaAMCStandalone(MiniSoC, AMPSoC):
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mem_map = {
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"cri_con": 0x10000000,
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"rtio": 0x11000000,
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"rtio_dma": 0x12000000,
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"serwb": 0x13000000,
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"ad9154": 0x14000000,
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"mailbox": 0x70000000
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}
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mem_map.update(MiniSoC.mem_map)
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def __init__(self, cpu_type="or1k", **kwargs):
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def __init__(self, cpu_type="or1k", with_sawg=False, **kwargs):
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MiniSoC.__init__(self,
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cpu_type=cpu_type,
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sdram_controller_type="minicon",
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@ -95,6 +199,16 @@ class SaymaAMCStandalone(MiniSoC, AMPSoC):
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self.submodules += phy
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rtio_channels.append(rtio.Channel.from_phy(phy))
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if with_sawg:
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self.submodules.ad9154_0 = AD9154(platform)
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self.csr_devices.append("ad9154_0")
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self.config["HAS_AD9154"] = None
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self.add_csr_group("ad9154", ["ad9154_0"])
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self.config["RTIO_FIRST_SAWG_CHANNEL"] = len(rtio_channels)
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rtio_channels.extend(rtio.Channel.from_phy(phy)
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for sawg in self.ad9154_0.sawgs
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for phy in sawg.phys)
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self.config["HAS_RTIO_LOG"] = None
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self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels)
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rtio_channels.append(rtio.LogChannel())
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@ -131,9 +245,13 @@ def main():
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parser.add_argument("--rtm-csr-csv",
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default=os.path.join("artiq_sayma_rtm", "sayma_rtm_csr.csv"),
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help="CSV file listing remote CSRs on RTM (default: %(default)s)")
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parser.add_argument("--with-sawg",
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default=False, action="store_true",
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help="add JESD204B and SAWG channels (default: %(default)s)")
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args = parser.parse_args()
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soc = SaymaAMCStandalone(**soc_sdram_argdict(args))
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soc = SaymaAMCStandalone(with_sawg=args.with_sawg,
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**soc_sdram_argdict(args))
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remote_csr_regions = remote_csr.get_remote_csr_regions(
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soc.mem_map["serwb"] | soc.shadow_base,
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