srenblad
/
artiq
forked from M-Labs/artiq
1
0
Fork 0
Code Pull Requests Activity

kasli: generate fine RTIO clock in DRTIO targets, separate RTIO channel code

This commit is contained in:
Sebastien Bourdeauducq 2018-03-09 22:36:16 +08:00
parent e65e2421a3
commit caf7b14b55
1 changed files with 108 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

151
artiq/gateware/targets/kasli.py
View File

@ -379,7 +379,32 @@ class SYSU(_StandaloneBase):
self.add_rtio(rtio_channels)
class Master(MiniSoC, AMPSoC):
class _RTIOClockMultiplier(Module):
def __init__(self, rtio_clk_freq):
self.clock_domains.cd_rtiox4 = ClockDomain(reset_less=True)
# See "Global Clock Network Deskew Using Two BUFGs" in ug472.
clkfbout = Signal()
clkfbin = Signal()
rtiox4_clk = Signal()
self.specials += [
Instance("MMCME2_BASE",
p_CLKIN1_PERIOD=1e9/rtio_clk_freq,
i_CLKIN1=ClockSignal("rtio"),
i_RST=ResetSignal("rtio"),
p_CLKFBOUT_MULT_F=8.0, p_DIVCLK_DIVIDE=1,
o_CLKFBOUT=clkfbout, i_CLKFBIN=clkfbin,
p_CLKOUT0_DIVIDE_F=2.0, o_CLKOUT0=rtiox4_clk,
),
Instance("BUFG", i_I=clkfbout, o_O=clkfbin),
Instance("BUFG", i_I=rtiox4_clk, o_O=self.cd_rtiox4.clk)
]
class _MasterBase(MiniSoC, AMPSoC):
mem_map = {
"cri_con": 0x10000000,
"rtio": 0x20000000,
@ -412,8 +437,8 @@ class Master(MiniSoC, AMPSoC):
self.config["SI5324_AS_SYNTHESIZER"] = None
self.config["RTIO_FREQUENCY"] = str(rtio_clk_freq/1e6)
sfp_ctl = [platform.request("sfp_ctl", i) for i in range(1, 3)]
self.comb += [sc.tx_disable.eq(0) for sc in sfp_ctl]
self.sfp_ctl = [platform.request("sfp_ctl", i) for i in range(1, 3)]
self.comb += [sc.tx_disable.eq(0) for sc in self.sfp_ctl]
self.submodules.drtio_transceiver = gtp_7series.GTP(
qpll_channel=self.drtio_qpll_channel,
data_pads=[platform.request("sfp", i) for i in range(1, 3)],
@ -425,7 +450,7 @@ class Master(MiniSoC, AMPSoC):
drtio_csr_group = []
drtio_memory_group = []
drtio_cri = []
self.drtio_cri = []
for i in range(2):
core_name = "drtio" + str(i)
memory_name = "drtio" + str(i) + "_aux"
@ -435,7 +460,7 @@ class Master(MiniSoC, AMPSoC):
core = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)})(
DRTIOMaster(self.drtio_transceiver.channels[i]))
setattr(self.submodules, core_name, core)
drtio_cri.append(core.cri)
self.drtio_cri.append(core.cri)
self.csr_devices.append(core_name)
memory_address = self.mem_map["drtio_aux"] + 0x800*i
@ -454,18 +479,9 @@ class Master(MiniSoC, AMPSoC):
self.crg.cd_sys.clk,
gtp.txoutclk, gtp.rxoutclk)
rtio_channels = []
phy = ttl_simple.Output(platform.request("user_led", 0))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for sc in sfp_ctl:
phy = ttl_simple.Output(sc.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.submodules.rtio_clkmul = _RTIOClockMultiplier(rtio_clk_freq)
def add_rtio(self, rtio_channels):
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")
@ -479,7 +495,7 @@ class Master(MiniSoC, AMPSoC):
self.register_kernel_cpu_csrdevice("rtio_dma")
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.rtio.cri, self.rtio_dma.cri],
[self.rtio_core.cri] + drtio_cri)
[self.rtio_core.cri] + self.drtio_cri)
self.register_kernel_cpu_csrdevice("cri_con")
self.submodules.rtio_analyzer = rtio.Analyzer(self.cri_con.switch.slave,
@ -519,7 +535,7 @@ class Master(MiniSoC, AMPSoC):
self.drtio_qpll_channel, self.ethphy_qpll_channel = qpll.channels
class Satellite(BaseSoC):
class _SatelliteBase(BaseSoC):
mem_map = {
"drtio_aux": 0x50000000,
}
@ -536,18 +552,6 @@ class Satellite(BaseSoC):
platform = self.platform
rtio_clk_freq = 150e6
rtio_channels = []
phy = ttl_simple.Output(platform.request("user_led", 0))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for i in range(1, 3):
phy = ttl_simple.Output(platform.request("sfp_ctl", i).led)
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")
disable_si5324_ibuf = Signal(reset=1)
disable_si5324_ibuf.attr.add("no_retiming")
si5324_clkout = platform.request("si5324_clkout")
@ -574,19 +578,6 @@ class Satellite(BaseSoC):
self.sync += disable_si5324_ibuf.eq(
~self.drtio_transceiver.stable_clkin.storage)
rx0 = ClockDomainsRenamer({"rtio_rx": "rtio_rx0"})
self.submodules.rx_synchronizer = rx0(XilinxRXSynchronizer())
self.submodules.drtio0 = rx0(DRTIOSatellite(
self.drtio_transceiver.channels[0], rtio_channels,
self.rx_synchronizer))
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(rtio_clk_freq/1e6)
self.submodules.siphaser = SiPhaser7Series(
si5324_clkin=platform.request("si5324_clkin"),
@ -608,6 +599,80 @@ class Satellite(BaseSoC):
self.crg.cd_sys.clk,
gtp.txoutclk, gtp.rxoutclk)
self.submodules.rtio_clkmul = _RTIOClockMultiplier(rtio_clk_freq)
def add_rtio(self, rtio_channels):
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")
rx0 = ClockDomainsRenamer({"rtio_rx": "rtio_rx0"})
self.submodules.rx_synchronizer = rx0(XilinxRXSynchronizer())
self.submodules.drtio0 = rx0(DRTIOSatellite(
self.drtio_transceiver.channels[0], rtio_channels,
self.rx_synchronizer))
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"])
class Master(_MasterBase):
def __init__(self, *args, **kwargs):
_MasterBase.__init__(self, *args, **kwargs)
platform = self.platform
platform.add_extension(_dio("eem0"))
rtio_channels = []
phy = ttl_simple.Output(platform.request("user_led", 0))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for sc in self.sfp_ctl:
phy = ttl_simple.Output(sc.led)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for i in range(8):
pads = platform.request("eem0", i)
phy = ttl_serdes_7series.InOut_8X(pads.p, pads.n)
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)
class Satellite(_SatelliteBase):
def __init__(self, *args, **kwargs):
_SatelliteBase.__init__(self, *args, **kwargs)
platform = self.platform
platform.add_extension(_dio("eem0"))
rtio_channels = []
phy = ttl_simple.Output(platform.request("user_led", 0))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for i in range(1, 3):
phy = ttl_simple.Output(platform.request("sfp_ctl", i).led)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
for i in range(8):
pads = platform.request("eem0", i)
phy = ttl_serdes_7series.InOut_8X(pads.p, pads.n)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.add_rtio(rtio_channels)
def main():
parser = argparse.ArgumentParser(