From 8813aee6b1514cd649f5c5c34a05a8be27141c58 Mon Sep 17 00:00:00 2001 From: Robert Jordens Date: Thu, 4 Jan 2018 15:12:00 +0000 Subject: [PATCH] targets: add kasli [wip, untested] --- artiq/gateware/targets/kasli.py | 202 ++++++++++++++++++++++++++++++++ 1 file changed, 202 insertions(+) create mode 100644 artiq/gateware/targets/kasli.py diff --git a/artiq/gateware/targets/kasli.py b/artiq/gateware/targets/kasli.py new file mode 100644 index 000000000..c4c90561d --- /dev/null +++ b/artiq/gateware/targets/kasli.py @@ -0,0 +1,202 @@ +#!/usr/bin/env python3 + +import argparse + +from migen import * +from migen.genlib.resetsync import AsyncResetSynchronizer +from migen.genlib.cdc import MultiReg +from migen.build.generic_platform import * +from migen.build.xilinx.vivado import XilinxVivadoToolchain +from migen.build.xilinx.ise import XilinxISEToolchain + +from misoc.interconnect.csr import * +from misoc.cores import gpio +from misoc.targets.kasli import (MiniSoC, soc_kasli_args, + soc_kasli_argdict) +from misoc.integration.builder import builder_args, builder_argdict + +from artiq.gateware.amp import AMPSoC, build_artiq_soc +from artiq.gateware import rtio +from artiq.gateware.rtio.phy import ttl_simple, ttl_serdes_7series, spi +from artiq import __version__ as artiq_version + + +class _RTIOCRG(Module, AutoCSR): + def __init__(self, platform, rtio_internal_clk): + self._clock_sel = CSRStorage() + self._pll_reset = CSRStorage(reset=1) + self._pll_locked = CSRStatus() + self.clock_domains.cd_rtio = ClockDomain() + self.clock_domains.cd_rtiox4 = ClockDomain(reset_less=True) + + rtio_external_clk = Signal() + clk_fpgaio_se = Signal() + clk_fpgaio = platform.request("clk_fpgaio") # from Si5324 + platform.add_period_constraint(clk_fpgaio.p, 8.0) + self.specials += [ + Instance("IBUFGDS", + p_DIFF_TERM="TRUE", p_IBUF_LOW_PWR="TRUE", + i_I=clk_fpgaio.p, i_IB=clk_fpgaio.n, o_O=clk_fpgaio_se), + Instance("BUFG", i_I=clk_fpgaio_se, o_O=rtio_external_clk), + ] + + pll_locked = Signal() + rtio_clk = Signal() + rtiox4_clk = Signal() + ext_clkout_clk = Signal() + self.specials += [ + Instance("PLLE2_ADV", + p_STARTUP_WAIT="FALSE", o_LOCKED=pll_locked, + + p_REF_JITTER1=0.01, + p_CLKIN1_PERIOD=8.0, p_CLKIN2_PERIOD=8.0, + i_CLKIN1=rtio_internal_clk, i_CLKIN2=rtio_external_clk, + # Warning: CLKINSEL=0 means CLKIN2 is selected + i_CLKINSEL=~self._clock_sel.storage, + + # VCO @ 1GHz when using 125MHz input + p_CLKFBOUT_MULT=8, p_DIVCLK_DIVIDE=1, + i_CLKFBIN=self.cd_rtio.clk, + i_RST=self._pll_reset.storage, + + o_CLKFBOUT=rtio_clk, + + p_CLKOUT0_DIVIDE=2, p_CLKOUT0_PHASE=0.0, + o_CLKOUT0=rtiox4_clk), + Instance("BUFG", i_I=rtio_clk, o_O=self.cd_rtio.clk), + Instance("BUFG", i_I=rtiox4_clk, o_O=self.cd_rtiox4.clk), + + AsyncResetSynchronizer(self.cd_rtio, ~pll_locked), + MultiReg(pll_locked, self._pll_locked.status) + ] + + +class _KasliBase(MiniSoC, AMPSoC): + mem_map = { + "cri_con": 0x10000000, + "rtio": 0x20000000, + "rtio_dma": 0x30000000, + "mailbox": 0x70000000 + } + mem_map.update(MiniSoC.mem_map) + + def __init__(self, cpu_type="or1k", **kwargs): + MiniSoC.__init__(self, + cpu_type=cpu_type, + sdram_controller_type="minicon", + l2_size=128*1024, + ident=artiq_version, + ethmac_nrxslots=4, + ethmac_ntxslots=4, + **kwargs) + AMPSoC.__init__(self) + + self.submodules.leds = gpio.GPIOOut(Cat( + self.platform.request("user_led", 0))) + self.csr_devices.append("leds") + + 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 + + def add_rtio(self, rtio_channels): + self.submodules.rtio_crg = _RTIOCRG(self.platform, self.crg.cd_sys.clk) + self.csr_devices.append("rtio_crg") + self.submodules.rtio_core = rtio.Core(rtio_channels) + self.csr_devices.append("rtio_core") + self.submodules.rtio = rtio.KernelInitiator() + self.submodules.rtio_dma = ClockDomainsRenamer("sys_kernel")( + 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.rtio_core.cri]) + self.register_kernel_cpu_csrdevice("cri_con") + self.submodules.rtio_moninj = rtio.MonInj(rtio_channels) + self.csr_devices.append("rtio_moninj") + + self.rtio_crg.cd_rtio.clk.attr.add("keep") + self.platform.add_period_constraint(self.rtio_crg.cd_rtio.clk, 8.) + self.platform.add_false_path_constraints( + self.crg.cd_sys.clk, + self.rtio_crg.cd_rtio.clk) + + self.submodules.rtio_analyzer = rtio.Analyzer(self.rtio_core.cri, + self.get_native_sdram_if()) + self.csr_devices.append("rtio_analyzer") + + +def _eem_signal(i): + n = "d{}".format(i) + if i == 0: + n += "_cc" + return n + + +def _dio(eem): + return [(eem, i, + Subsignal("p", Pins("{}:{}_p".format(eem, _eem_signal(i)))), + Subsignal("n", Pins("{}:{}_n".format(eem, _eem_signal(i)))), + IOStandard("LVDS_25")) + for i in range(8)] + + +class Opticlock(_KasliBase): + """ + Opticlock extension configuration + """ + def __init__(self, cpu_type="or1k", **kwargs): + _KasliBase.__init__(self, cpu_type, **kwargs) + + platform = self.platform + platform.add_extension(_dio("eem0")) + platform.add_extension(_dio("eem1")) + platform.add_extension(_dio("eem2")) + # platform.add_extension(_urukul("eem3", "eem4")) + # platform.add_extension(_novogorny("eem5")) + + rtio_channels = [] + for eem in "eem0 eem1 eem2".split(): + for i in range(8): + phy = ttl_serdes_7series.Output_8X( + platform.request(eem, i)) + self.submodules += phy + rtio_channels.append(rtio.Channel.from_phy(phy)) + + for i in (1, 2): + sfp = platform.request("sfp", i) + phy = ttl_simple.Output(sfp.led) + self.submodules += phy + rtio_channels.append(rtio.Channel.from_phy(phy)) + + self.config["HAS_RTIO_LOG"] = None + self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels) + rtio_channels.append(rtio.LogChannel()) + + self.add_rtio(rtio_channels) + + +def main(): + parser = argparse.ArgumentParser( + description="ARTIQ device binary builder for Kasli systems") + builder_args(parser) + soc_kasli_args(parser) + parser.add_argument("-E", "--extensions", default="opticlock", + help="extension setup: opticlock " + "(default: %(default)s)") + args = parser.parse_args() + + extensions = args.extensions.lower() + if extensions == "opticlock": + cls = Opticlock + else: + raise SystemExit("Invalid hardware adapter string (-E/--extensions)") + + soc = cls(**soc_kasli_argdict(args)) + build_artiq_soc(soc, builder_argdict(args)) + + +if __name__ == "__main__": + main()