M-Labs/artiq
2
0
Fork 2
mirror of https://github.com/m-labs/artiq.git synced 2024-12-25 11:18:27 +08:00
Code Issues Projects Releases Wiki Activity

kasli: implement multi-link DRTIO on SFP1 and SFP2 of master

Browse Source
This commit is contained in:
Sebastien Bourdeauducq 2018-02-27 23:15:20 +08:00
parent 2f9d01295c
commit 5d81877b34
1 changed files with 29 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
artiq/gateware/targets/kasli.py
View File

@ -337,25 +337,39 @@ class Master(MiniSoC, AMPSoC):
self.config["SI5324_AS_SYNTHESIZER"] = None
self.config["RTIO_FREQUENCY"] = str(rtio_clk_freq/1e6)
self.comb += platform.request("sfp_ctl", 2).tx_disable.eq(0)
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.submodules.drtio_transceiver = gtp_7series.GTP(
qpll_channel=self.drtio_qpll_channel,
data_pads=[platform.request("sfp", 2)],
data_pads=[platform.request("sfp", i) for i in range(1, 3)],
sys_clk_freq=self.clk_freq,
rtio_clk_freq=rtio_clk_freq)
self.csr_devices.append("drtio_transceiver")
self.sync += self.disable_si5324_ibuf.eq(
~self.drtio_transceiver.stable_clkin.storage)
self.submodules.drtio0 = ClockDomainsRenamer({"rtio_rx": "rtio_rx0"})(
DRTIOMaster(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)
drtio_csr_group = []
drtio_memory_group = []
drtio_cri = []
for i in range(2):
core_name = "drtio" + str(i)
memory_name = "drtio" + str(i) + "_aux"
drtio_csr_group.append(core_name)
drtio_memory_group.append(memory_name)
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.csr_devices.append(core_name)
memory_address = self.mem_map["drtio_aux"] + 0x800*i
self.add_wb_slave(memory_address, 0x800,
core.aux_controller.bus)
self.add_memory_region(memory_name, memory_address | self.shadow_base, 0x800)
self.config["HAS_DRTIO"] = None
self.add_csr_group("drtio", ["drtio0"])
self.add_memory_group("drtio_aux", ["drtio0_aux"])
self.add_csr_group("drtio", drtio_csr_group)
self.add_memory_group("drtio_aux", drtio_memory_group)
rtio_clk_period = 1e9/rtio_clk_freq
for gtp in self.drtio_transceiver.gtps:
@ -369,9 +383,10 @@ class Master(MiniSoC, AMPSoC):
phy = ttl_simple.Output(platform.request("user_led", 0))
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
phy = ttl_simple.Output(platform.request("sfp_ctl", 1).led)
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())
@ -389,7 +404,7 @@ 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, self.drtio0.cri])
[self.rtio_core.cri] + drtio_cri)
self.register_kernel_cpu_csrdevice("cri_con")
self.submodules.rtio_analyzer = rtio.Analyzer(self.cri_con.switch.slave,