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2 changed files with 340 additions and 13 deletions

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@ -16,7 +16,7 @@ from artiq.coredevice import jsondesc
from artiq.gateware import rtio, eem_7series from artiq.gateware import rtio, eem_7series
from artiq.gateware.rtio.phy import ttl_simple from artiq.gateware.rtio.phy import ttl_simple
from artiq.gateware.drtio.transceiver import gtp_7series from artiq.gateware.drtio.transceiver import gtx_7series
from artiq.gateware.drtio.siphaser import SiPhaser7Series from artiq.gateware.drtio.siphaser import SiPhaser7Series
from artiq.gateware.drtio.rx_synchronizer import XilinxRXSynchronizer from artiq.gateware.drtio.rx_synchronizer import XilinxRXSynchronizer
from artiq.gateware.drtio import * from artiq.gateware.drtio import *
@ -167,6 +167,9 @@ class GenericStandalone(SoCCore):
class GenericMaster(SoCCore): class GenericMaster(SoCCore):
mem_map = { mem_map = {
"cri_con": 0x10000000,
"rtio": 0x20000000,
"rtio_dma": 0x30000000,
"drtioaux": 0x50000000 "drtioaux": 0x50000000
} }
mem_map.update(SoCCore.mem_map) mem_map.update(SoCCore.mem_map)
@ -193,11 +196,10 @@ class GenericMaster(SoCCore):
# not sure yet why sfp0 is omitted in MasterMode # not sure yet why sfp0 is omitted in MasterMode
drtio_data_pads = [platform.request("sfp", i) for i in range(4)] drtio_data_pads = [platform.request("sfp", i) for i in range(4)]
self.submodules.drtio_transceiver = gtp_7series.GTP( self.submodules.drtio_transceiver = gtx_7series.GTX(
qpll_channel=self.drtio_qpll_channel, # todo figure out qpll clock_pads=platform.request("clk125_gtp"), # referred to as clk gtp in schematics, but for gtx?
data_pads=drtio_data_pads, data_pads=drtio_data_pads,
sys_clk_freq=self.clk_freq, sys_clk_freq=self.clk_freq)
rtio_clk_freq=rtio_clk_freq)
self.csr_devices.append("drtio_transceiver") self.csr_devices.append("drtio_transceiver")
# todo figure out cdr lk clean # todo figure out cdr lk clean
# self.sync += self.disable_cdr_clk_ibuf.eq( # self.sync += self.disable_cdr_clk_ibuf.eq(
@ -333,11 +335,10 @@ class GenericSatellite(SoCCore):
drtio_data_pads = [platform.request("sfp", i) for i in range(4)] drtio_data_pads = [platform.request("sfp", i) for i in range(4)]
self.submodules.drtio_transceiver = gtp_7series.GTP( self.submodules.drtio_transceiver = gtx_7series.GTX(
qpll_channel=qpll.channels[0], # todo - figure out qpll clock_pads=platform.request("clk125_gtp"), # referred to as clk gtp in schematics, but for gtx?
data_pads=drtio_data_pads, data_pads=drtio_data_pads,
sys_clk_freq=self.clk_freq, sys_clk_freq=self.clk_freq)
rtio_clk_freq=rtio_clk_freq)
self.csr_devices.append("drtio_transceiver") self.csr_devices.append("drtio_transceiver")
# same here - figure out the relations # same here - figure out the relations
# self.sync += disable_cdr_clk_ibuf.eq( # self.sync += disable_cdr_clk_ibuf.eq(
@ -429,11 +430,18 @@ class GenericSatellite(SoCCore):
self.submodules.rtio_dma = dma.DMA(self.ps7.s_axi_hp0) self.submodules.rtio_dma = dma.DMA(self.ps7.s_axi_hp0)
self.csr_devices.append("rtio_dma") self.csr_devices.append("rtio_dma")
self.submodules.local_io = SyncRTIO(self.rtio_tsc, rtio_channels)
self.comb += self.drtiosat.async_errors.eq(self.local_io.async_errors)
self.submodules.cri_con = rtio.CRIInterconnectShared( self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.rtio.cri, self.rtio_dma.cri], [self.drtiosat.cri],
[self.rtio_core.cri]) [self.local_io.cri] + self.drtio_cri,
mode="sync", enable_routing=True)
self.csr_devices.append("cri_con") self.csr_devices.append("cri_con")
self.submodules.routing_table = rtio.RoutingTableAccess(self.cri_con)
self.csr_devices.append("routing_table")
self.submodules.rtio_moninj = rtio.MonInj(self.rtio_channels) self.submodules.rtio_moninj = rtio.MonInj(self.rtio_channels)
self.csr_devices.append("rtio_moninj") self.csr_devices.append("rtio_moninj")
@ -441,6 +449,9 @@ class GenericSatellite(SoCCore):
self.ps7.s_axi_hp1) self.ps7.s_axi_hp1)
self.csr_devices.append("rtio_analyzer") self.csr_devices.append("rtio_analyzer")
rtio_clk_period = 1e9/rtio_clk_freq
self.config["RTIO_FREQUENCY"] = str(rtio_clk_freq/1e6)
self.submodules.siphaser = SiPhaser7Series( self.submodules.siphaser = SiPhaser7Series(
si5324_clkin=platform.request("cdr_clk"), si5324_clkin=platform.request("cdr_clk"),
rx_synchronizer=self.rx_synchronizer, rx_synchronizer=self.rx_synchronizer,
@ -452,13 +463,24 @@ class GenericSatellite(SoCCore):
self.config["HAS_SI5324"] = None self.config["HAS_SI5324"] = None
self.config["SI5324_SOFT_RESET"] = None self.config["SI5324_SOFT_RESET"] = None
gtx = self.drtio_transceiver.gtps[0]
platform.add_period_constraint(gtx.txoutclk, rtio_clk_period)
platform.add_period_constraint(gtx.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
gtx.txoutclk, gtx.rxoutclk)
for gtx in self.drtio_transceiver.gtxs[1:]:
platform.add_period_constraint(gtx.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
self.crg.cd_sys.clk, gtx.rxoutclk)
if has_grabber: if has_grabber:
self.rustc_cfg["has_grabber"] = None self.rustc_cfg["has_grabber"] = None
self.add_csr_group("grabber", self.grabber_csr_group) self.add_csr_group("grabber", self.grabber_csr_group)
for grabber in self.grabber_csr_group: for grabber in self.grabber_csr_group:
self.platform.add_false_path_constraints( self.platform.add_false_path_constraints(
self.rtio_crg.cd_rtio.clk, getattr(self, grabber).deserializer.cd_cl.clk) self.rtio_crg.cd_rtio.clk, getattr(self, grabber).deserializer.cd_cl.clk)
def write_csr_file(soc, filename): def write_csr_file(soc, filename):

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@ -15,6 +15,11 @@ from misoc.integration import cpu_interface
from artiq.gateware import rtio, nist_clock, nist_qc2 from artiq.gateware import rtio, nist_clock, nist_qc2
from artiq.gateware.rtio.phy import ttl_simple, ttl_serdes_7series, dds, spi2 from artiq.gateware.rtio.phy import ttl_simple, ttl_serdes_7series, dds, spi2
from artiq.gateware.drtio.transceiver import gtx_7series
from artiq.gateware.drtio.siphaser import SiPhaser7Series
from artiq.gateware.drtio.rx_synchronizer import XilinxRXSynchronizer
from artiq.gateware.drtio import *
import dma import dma
import analyzer import analyzer
import acpki import acpki
@ -121,6 +126,49 @@ class ZC706(SoCCore):
self.ps7.s_axi_hp1) self.ps7.s_axi_hp1)
self.csr_devices.append("rtio_analyzer") self.csr_devices.append("rtio_analyzer")
def add_drtio(self):
platform = self.platform
drtio_csr_group = []
drtioaux_csr_group = []
drtioaux_memory_group = []
drtio_cri = []
for i in range(len(self.drtio_transceiver.channels)):
core_name = "drtio" + str(i)
coreaux_name = "drtioaux" + str(i)
memory_name = "drtioaux" + str(i) + "_mem"
drtio_csr_group.append(core_name)
drtioaux_csr_group.append(coreaux_name)
drtioaux_memory_group.append(memory_name)
cdr = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)})
core = cdr(DRTIOMaster(
self.rtio_tsc, self.drtio_transceiver.channels[i]))
setattr(self.submodules, core_name, core)
drtio_cri.append(core.cri)
self.csr_devices.append(core_name)
coreaux = cdr(DRTIOAuxController(core.link_layer))
setattr(self.submodules, coreaux_name, coreaux)
self.csr_devices.append(coreaux_name)
memory_address = self.mem_map["drtioaux"] + 0x800*i
self.add_wb_slave(memory_address, 0x800,
coreaux.bus)
self.add_memory_region(memory_name, memory_address | self.shadow_base, 0x800)
self.rustc_cfg["HAS_DRTIO"] = None
self.rustc_cfg["HAS_DRTIO_ROUTING"] = None
self.add_csr_group("drtio", drtio_csr_group)
self.add_csr_group("drtioaux", drtioaux_csr_group)
self.add_memory_group("drtioaux_mem", drtioaux_memory_group)
class Simple(ZC706): class Simple(ZC706):
def __init__(self, **kwargs): def __init__(self, **kwargs):
@ -252,8 +300,265 @@ class NIST_QC2(ZC706):
self.add_rtio(rtio_channels) self.add_rtio(rtio_channels)
class Master(ZC706):
mem_map = {
"cri_con": 0x10000000,
"rtio": 0x20000000,
"rtio_dma": 0x30000000,
"drtioaux": 0x50000000,
}
mem_map.update(BaseSoC.mem_map)
VARIANTS = {cls.__name__.lower(): cls for cls in [Simple, NIST_CLOCK, NIST_QC2]} def __init__(self, **kwargs):
ZC706.__init__(self, **kwargs)
platform = self.platform
self.comb += platform.request("sfp_tx_disable_n").eq(1)
tx_pads = [
platform.request("sfp_tx"), platform.request("user_sma_mgt_tx")
]
rx_pads = [
platform.request("sfp_rx"), platform.request("user_sma_mgt_rx")
]
# 1000BASE_BX10 Ethernet compatible, 125MHz RTIO clock
self.submodules.drtio_transceiver = gtx_7series.GTX(
clock_pads=platform.request("si5324_clkout"),
tx_pads=tx_pads,
rx_pads=rx_pads,
sys_clk_freq=self.clk_freq)
self.csr_devices.append("drtio_transceiver")
self.submodules.rtio_tsc = rtio.TSC("async", glbl_fine_ts_width=3)
drtio_csr_group = []
drtioaux_csr_group = []
drtioaux_memory_group = []
drtio_cri = []
for i in range(len(self.drtio_transceiver.channels)):
core_name = "drtio" + str(i)
coreaux_name = "drtioaux" + str(i)
memory_name = "drtioaux" + str(i) + "_mem"
drtio_csr_group.append(core_name)
drtioaux_csr_group.append(coreaux_name)
drtioaux_memory_group.append(memory_name)
cdr = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)})
core = cdr(DRTIOMaster(
self.rtio_tsc, self.drtio_transceiver.channels[i]))
setattr(self.submodules, core_name, core)
drtio_cri.append(core.cri)
self.csr_devices.append(core_name)
coreaux = cdr(DRTIOAuxController(core.link_layer))
setattr(self.submodules, coreaux_name, coreaux)
self.csr_devices.append(coreaux_name)
memory_address = self.mem_map["drtioaux"] + 0x800*i
self.add_wb_slave(memory_address, 0x800,
coreaux.bus)
self.add_memory_region(memory_name, memory_address | self.shadow_base, 0x800)
self.config["HAS_DRTIO"] = None
self.config["HAS_DRTIO_ROUTING"] = None
self.add_csr_group("drtio", drtio_csr_group)
self.add_csr_group("drtioaux", drtioaux_csr_group)
self.add_memory_group("drtioaux_mem", drtioaux_memory_group)
self.config["RTIO_FREQUENCY"] = str(self.drtio_transceiver.rtio_clk_freq/1e6)
self.submodules.si5324_rst_n = gpio.GPIOOut(platform.request("si5324").rst_n)
self.csr_devices.append("si5324_rst_n")
# i2c not supported? todo - figure out if it should be
self.config["HAS_SI5324"] = None
self.config["SI5324_AS_SYNTHESIZER"] = None
user_sma_clock = platform.request("user_sma_clock")
self.comb += [
user_sma_clock.p.eq(ClockSignal("rtio_rx0")),
user_sma_clock.n.eq(ClockSignal("rtio"))
]
rtio_clk_period = 1e9/self.drtio_transceiver.rtio_clk_freq
# Constrain TX & RX timing for the first transceiver channel
# (First channel acts as master for phase alignment for all channels' TX)
gtx0 = self.drtio_transceiver.gtxs[0]
platform.add_period_constraint(gtx0.txoutclk, rtio_clk_period)
platform.add_period_constraint(gtx0.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
gtx0.txoutclk, gtx0.rxoutclk)
# Constrain RX timing for the each transceiver channel
# (Each channel performs single-lane phase alignment for RX)
for gtx in self.drtio_transceiver.gtxs[1:]:
platform.add_period_constraint(gtx.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
self.crg.cd_sys.clk, gtx0.txoutclk, gtx.rxoutclk)
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))
self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels)
rtio_channels.append(rtio.LogChannel())
self.add_rtio(rtio_channels)
class Satellite(ZC706):
def __init__(self, **kwargs):
ZC706.__init__(self, **kwargs)
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")
]
# 1000BASE_BX10 Ethernet compatible, 125MHz RTIO clock
self.submodules.drtio_transceiver = gtx_7series.GTX(
clock_pads=platform.request("si5324_clkout"),
tx_pads=tx_pads,
rx_pads=rx_pads,
sys_clk_freq=self.clk_freq)
self.csr_devices.append("drtio_transceiver")
self.submodules.rtio_tsc = rtio.TSC("sync", glbl_fine_ts_width=3)
drtioaux_csr_group = []
drtioaux_memory_group = []
drtiorep_csr_group = []
self.drtio_cri = []
for i in range(len(self.drtio_transceiver.channels)):
coreaux_name = "drtioaux" + str(i)
memory_name = "drtioaux" + str(i) + "_mem"
drtioaux_csr_group.append(coreaux_name)
drtioaux_memory_group.append(memory_name)
cdr = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)})
# Satellite
if i == 0:
self.submodules.rx_synchronizer = cdr(XilinxRXSynchronizer())
core = cdr(DRTIOSatellite(
self.rtio_tsc, self.drtio_transceiver.channels[0], self.rx_synchronizer))
self.submodules.drtiosat = core
self.csr_devices.append("drtiosat")
# Repeaters
else:
corerep_name = "drtiorep" + str(i-1)
drtiorep_csr_group.append(corerep_name)
core = cdr(DRTIORepeater(
self.rtio_tsc, self.drtio_transceiver.channels[i]))
setattr(self.submodules, corerep_name, core)
self.drtio_cri.append(core.cri)
self.csr_devices.append(corerep_name)
coreaux = cdr(DRTIOAuxController(core.link_layer))
setattr(self.submodules, coreaux_name, coreaux)
self.csr_devices.append(coreaux_name)
memory_address = self.mem_map["drtioaux"] + 0x800*i
self.add_wb_slave(memory_address, 0x800,
coreaux.bus)
self.add_memory_region(memory_name, memory_address | self.shadow_base, 0x800)
self.config["HAS_DRTIO"] = None
self.config["HAS_DRTIO_ROUTING"] = None
self.add_csr_group("drtioaux", drtioaux_csr_group)
self.add_memory_group("drtioaux_mem", drtioaux_memory_group)
self.add_csr_group("drtiorep", drtiorep_csr_group)
self.config["RTIO_FREQUENCY"] = str(self.drtio_transceiver.rtio_clk_freq/1e6)
# Si5324 Phaser
self.submodules.siphaser = SiPhaser7Series(
si5324_clkin=platform.request("si5324_clkin"),
rx_synchronizer=self.rx_synchronizer,
ultrascale=False,
rtio_clk_freq=self.drtio_transceiver.rtio_clk_freq)
platform.add_false_path_constraints(
self.crg.cd_sys.clk, self.siphaser.mmcm_freerun_output)
self.csr_devices.append("siphaser")
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
user_sma_clock = platform.request("user_sma_clock")
self.comb += [
user_sma_clock.p.eq(ClockSignal("rtio_rx0")),
user_sma_clock.n.eq(ClockSignal("rtio"))
]
rtio_clk_period = 1e9/self.drtio_transceiver.rtio_clk_freq
# Constrain TX & RX timing for the first transceiver channel
# (First channel acts as master for phase alignment for all channels' TX)
gtx0 = self.drtio_transceiver.gtxs[0]
platform.add_period_constraint(gtx0.txoutclk, rtio_clk_period)
platform.add_period_constraint(gtx0.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
gtx0.txoutclk, gtx0.rxoutclk)
# Constrain RX timing for the each transceiver channel
# (Each channel performs single-lane phase alignment for RX)
for gtx in self.drtio_transceiver.gtxs[1:]:
platform.add_period_constraint(gtx.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
self.crg.cd_sys.clk, gtx.rxoutclk)
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))
self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels)
rtio_channels.append(rtio.LogChannel())
self.add_rtio(rtio_channels)
def add_rtio(self, rtio_channels):
# few changes from base add_rtio - moved tsc, no core
self.submodules.rtio_core = rtio.Core(self.rtio_tsc, rtio_channels)
if self.acpki:
self.rustc_cfg["ki_impl"] = "acp"
self.submodules.rtio = acpki.KernelInitiator(self.rtio_tsc,
bus=self.ps7.s_axi_acp,
user=self.ps7.s_axi_acp_user,
evento=self.ps7.event.o)
self.csr_devices.append("rtio")
else:
self.rustc_cfg["ki_impl"] = "csr"
self.submodules.rtio = rtio.KernelInitiator(self.rtio_tsc, now64=True)
self.csr_devices.append("rtio")
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.drtiosat.cri],
[self.local_io.cri] + self.drtio_cri,
mode="sync", enable_routing=True)
self.csr_devices.append("cri_con")
self.submodules.routing_table = rtio.RoutingTableAccess(self.cri_con)
self.csr_devices.append("routing_table")
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")
self.submodules.rtio_analyzer = analyzer.Analyzer(self.rtio_tsc, self.rtio_core.cri,
self.ps7.s_axi_hp1)
self.csr_devices.append("rtio_analyzer")
VARIANTS = {cls.__name__.lower(): cls for cls in [Simple, NIST_CLOCK, NIST_QC2, Master, Satellite]}
def write_csr_file(soc, filename): def write_csr_file(soc, filename):