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kc705: revive DRTIO master with updated syntax 

* KC705 master variant now uses Si5324 as synthesiser.
* Multi-channel has not been implemented yet.
This commit is contained in:
Harry Ho 2021-01-20 15:05:31 +08:00
parent f25e86e934
commit f6d39fd6ba
2 changed files with 67 additions and 28 deletions
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4
artiq/firmware/runtime/rtio_clocking.rs
View File

@ -153,6 +153,8 @@ fn setup_si5324_as_synthesizer() {
let si5324_ref_input = si5324::Input::Ckin2;
#[cfg(soc_platform = "metlino")]
let si5324_ref_input = si5324::Input::Ckin2;
#[cfg(soc_platform = "kc705")]
let si5324_ref_input = si5324::Input::Ckin2;
si5324::setup(&SI5324_SETTINGS, si5324_ref_input).expect("cannot initialize Si5324");
}
@ -165,6 +167,8 @@ pub fn init() {
let si5324_ext_input = si5324::Input::Ckin2;
#[cfg(soc_platform = "metlino")]
let si5324_ext_input = si5324::Input::Ckin2;
#[cfg(soc_platform = "kc705")]
let si5324_ext_input = si5324::Input::Ckin2;
match get_rtio_clock_cfg() {
RtioClock::Internal => setup_si5324_as_synthesizer(),
RtioClock::External => si5324::bypass(si5324_ext_input).expect("cannot bypass Si5324")

83
artiq/gateware/targets/kc705_drtio_master.py
View File

@ -4,17 +4,20 @@ import argparse
from migen import *
from migen.build.generic_platform import *
from migen.build.xilinx.vivado import XilinxVivadoToolchain
from migen.build.xilinx.ise import XilinxISEToolchain
from misoc.cores import spi as spi_csr
from misoc.cores import gpio
from misoc.targets.kc705 import MiniSoC, soc_kc705_args, soc_kc705_argdict
from misoc.integration.builder import builder_args, builder_argdict
from artiq.gateware.amp import AMPSoC, build_artiq_soc
from artiq.gateware.amp import AMPSoC
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
from artiq.gateware.drtio import *
from artiq.build_soc import *
class Master(MiniSoC, AMPSoC):
@ -22,21 +25,29 @@ class Master(MiniSoC, AMPSoC):
"cri_con": 0x10000000,
"rtio": 0x20000000,
"rtio_dma": 0x30000000,
"drtio_aux": 0x50000000,
"drtioaux": 0x50000000,
"mailbox": 0x70000000
}
mem_map.update(MiniSoC.mem_map)
def __init__(self, **kwargs):
def __init__(self, gateware_identifier_str=None, **kwargs):
MiniSoC.__init__(self,
cpu_type="or1k",
sdram_controller_type="minicon",
l2_size=128*1024,
ident=artiq_version,
integrated_sram_size=8192,
ethmac_nrxslots=4,
ethmac_ntxslots=4,
**kwargs)
AMPSoC.__init__(self)
add_identifier(self, gateware_identifier_str=gateware_identifier_str)
if isinstance(self.platform.toolchain, XilinxVivadoToolchain):
self.platform.toolchain.bitstream_commands.extend([
"set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",
])
if isinstance(self.platform.toolchain, XilinxISEToolchain):
self.platform.toolchain.bitgen_opt += " -g compress"
platform = self.platform
@ -44,35 +55,55 @@ class Master(MiniSoC, AMPSoC):
tx_pads = platform.request("sfp_tx")
rx_pads = platform.request("sfp_rx")
# 1000BASE_BX10 Ethernet compatible, 62.5MHz RTIO clock
self.submodules.transceiver = gtx_7series.GTX_1000BASE_BX10(
clock_pads=platform.request("sgmii_clock"),
# 1000BASE_BX10 Ethernet compatible, 125MHz RTIO clock
self.submodules.drtio_transceiver = gtx_7series.GTX_1000BASE_BX10(
clock_pads=platform.request("si5324_clkout"),
tx_pads=tx_pads,
rx_pads=rx_pads,
sys_clk_freq=self.clk_freq,
clock_div2=True)
sys_clk_freq=self.clk_freq)
self.csr_devices.append("drtio_transceiver")
self.submodules.drtio0 = ClockDomainsRenamer({"rtio_rx": "rtio_rx0"})(
DRTIOMaster(self.transceiver.channels[0]))
self.submodules.rtio_tsc = rtio.TSC("async", glbl_fine_ts_width=3)
cdr = ClockDomainsRenamer({"rtio_rx": "rtio_rx0"})
self.submodules.drtio0 = cdr(DRTIOMaster(
self.rtio_tsc, self.drtio_transceiver.channels[0]))
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.submodules.drtioaux0 = cdr(DRTIOAuxController(
self.drtio0.link_layer))
self.csr_devices.append("drtioaux0")
self.add_wb_slave(self.mem_map["drtioaux"], 0x800,
self.drtioaux0.bus)
self.add_memory_region("drtioaux0_mem", self.mem_map["drtioaux"] | self.shadow_base, 0x800)
self.config["HAS_DRTIO"] = None
self.config["HAS_DRTIO_ROUTING"] = None
self.add_csr_group("drtio", ["drtio0"])
self.add_memory_group("drtio_aux", ["drtio0_aux"])
self.add_csr_group("drtioaux", ["drtioaux0"])
self.add_memory_group("drtioaux_mem", ["drtioaux0_mem"])
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 = 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
self.config["SI5324_AS_SYNTHESIZER"] = None
self.comb += [
platform.request("user_sma_clock_p").eq(ClockSignal("rtio_rx0")),
platform.request("user_sma_clock_n").eq(ClockSignal("rtio"))
]
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)
rtio_clk_period = 1e9/self.drtio_transceiver.rtio_clk_freq
platform.add_period_constraint(self.drtio_transceiver.txoutclk, rtio_clk_period)
platform.add_period_constraint(self.drtio_transceiver.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints(
self.crg.cd_sys.clk,
self.transceiver.txoutclk, self.transceiver.rxoutclk)
self.drtio_transceiver.txoutclk, self.drtio_transceiver.rxoutclk)
rtio_channels = []
for i in range(8):
@ -87,18 +118,21 @@ class Master(MiniSoC, AMPSoC):
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")
self.submodules.rtio_core = rtio.Core(rtio_channels, 3)
self.submodules.rtio_core = rtio.Core(self.rtio_tsc, rtio_channels)
self.csr_devices.append("rtio_core")
self.submodules.rtio = rtio.KernelInitiator()
self.submodules.rtio = rtio.KernelInitiator(self.rtio_tsc)
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.drtio0.cri])
[self.rtio_core.cri, self.drtio0.cri],
enable_routing=True)
self.register_kernel_cpu_csrdevice("cri_con")
self.submodules.routing_table = rtio.RoutingTableAccess(self.cri_con)
self.csr_devices.append("routing_table")
def main():
@ -106,6 +140,7 @@ def main():
description="ARTIQ device binary builder / KC705 DRTIO master")
builder_args(parser)
soc_kc705_args(parser)
parser.set_defaults(output_dir="artiq_kc705/master")
args = parser.parse_args()
soc = Master(**soc_kc705_argdict(args))