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drtio: rename drtio_transceiver to gt_drtio

This commit is contained in:
linuswck 2023-08-28 04:50:46 +00:00 committed by GitHub
parent 3452d0c423
commit b56f7e429a
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 43 additions and 43 deletions
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4
artiq/firmware/runtime/rtio_clocking.rs
View File

@ -259,14 +259,14 @@ pub fn init() {
unsafe { unsafe {
// clock switch and reboot will begin after TX is initialized // clock switch and reboot will begin after TX is initialized
// and TX will be initialized after this // and TX will be initialized after this
csr::drtio_transceiver::stable_clkin_write(1); csr::gt_drtio::stable_clkin_write(1);
} }
loop {} loop {}
} }
else { else {
// enable TX after the reboot, with stable clock // enable TX after the reboot, with stable clock
unsafe { unsafe {
csr::drtio_transceiver::txenable_write(0xffffffffu32 as _); csr::gt_drtio::txenable_write(0xffffffffu32 as _);
} }
} }
} }

4
artiq/firmware/satman/main.rs
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@ -479,7 +479,7 @@ fn sysclk_setup() {
// delay for clean UART log, wait until UART FIFO is empty // delay for clean UART log, wait until UART FIFO is empty
clock::spin_us(1300); clock::spin_us(1300);
unsafe { unsafe {
csr::drtio_transceiver::stable_clkin_write(1); csr::gt_drtio::stable_clkin_write(1);
} }
loop {} loop {}
} }
@ -553,7 +553,7 @@ pub extern fn main() -> i32 {
#[cfg(not(has_drtio_eem))] #[cfg(not(has_drtio_eem))]
unsafe { unsafe {
csr::drtio_transceiver::txenable_write(0xffffffffu32 as _); csr::gt_drtio::txenable_write(0xffffffffu32 as _);
} }
init_rtio_crg(); init_rtio_crg();

2
artiq/gateware/eem.py
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@ -30,7 +30,7 @@ class _EEM:
target.platform.add_extension(cls.io(eem, *args, **kwargs)) target.platform.add_extension(cls.io(eem, *args, **kwargs))
if is_drtio_over_eem: if is_drtio_over_eem:
print("{} (EEM{}) starting at DRTIO channel 0x{:06x}" print("{} (EEM{}) starting at DRTIO channel 0x{:06x}"
.format(name, eem, (len(target.drtio_transceiver.channels) + len(target.eem_drtio_channels) + 1) << 16)) .format(name, eem, (len(target.gt_drtio.channels) + len(target.eem_drtio_channels) + 1) << 16))
else: else:
print("{} (EEM{}) starting at RTIO channel 0x{:06x}" print("{} (EEM{}) starting at RTIO channel 0x{:06x}"
.format(name, eem, len(target.rtio_channels))) .format(name, eem, len(target.rtio_channels)))

36
artiq/gateware/targets/kasli.py
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@ -268,17 +268,17 @@ class MasterBase(MiniSoC, AMPSoC):
sfp_ctls = [platform.request("sfp_ctl", i) for i in range(1, 3)] sfp_ctls = [platform.request("sfp_ctl", i) for i in range(1, 3)]
self.comb += [sc.tx_disable.eq(0) for sc in sfp_ctls] self.comb += [sc.tx_disable.eq(0) for sc in sfp_ctls]
self.submodules.drtio_transceiver = gtp_7series.GTP( self.submodules.gt_drtio = gtp_7series.GTP(
qpll_channel=self.drtio_qpll_channel, qpll_channel=self.drtio_qpll_channel,
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) rtio_clk_freq=rtio_clk_freq)
self.csr_devices.append("drtio_transceiver") self.csr_devices.append("gt_drtio")
if enable_sata: if enable_sata:
sfp_channels = self.drtio_transceiver.channels[1:] sfp_channels = self.gt_drtio.channels[1:]
else: else:
sfp_channels = self.drtio_transceiver.channels sfp_channels = self.gt_drtio.channels
if self.platform.hw_rev in ("v1.0", "v1.1"): if self.platform.hw_rev in ("v1.0", "v1.1"):
self.comb += [sfp_ctl.led.eq(channel.rx_ready) self.comb += [sfp_ctl.led.eq(channel.rx_ready)
for sfp_ctl, channel in zip(sfp_ctls, sfp_channels)] for sfp_ctl, channel in zip(sfp_ctls, sfp_channels)]
@ -292,7 +292,7 @@ class MasterBase(MiniSoC, AMPSoC):
self.drtioaux_csr_group = [] self.drtioaux_csr_group = []
self.drtioaux_memory_group = [] self.drtioaux_memory_group = []
self.drtio_cri = [] self.drtio_cri = []
for i in range(len(self.drtio_transceiver.channels)): for i in range(len(self.gt_drtio.channels)):
core_name = "drtio" + str(i) core_name = "drtio" + str(i)
coreaux_name = "drtioaux" + str(i) coreaux_name = "drtioaux" + str(i)
memory_name = "drtioaux" + str(i) + "_mem" memory_name = "drtioaux" + str(i) + "_mem"
@ -302,7 +302,7 @@ class MasterBase(MiniSoC, AMPSoC):
cdr = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)}) cdr = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)})
core = cdr(DRTIOMaster(self.rtio_tsc, self.drtio_transceiver.channels[i])) core = cdr(DRTIOMaster(self.rtio_tsc, self.gt_drtio.channels[i]))
setattr(self.submodules, core_name, core) setattr(self.submodules, core_name, core)
self.drtio_cri.append(core.cri) self.drtio_cri.append(core.cri)
self.csr_devices.append(core_name) self.csr_devices.append(core_name)
@ -319,7 +319,7 @@ class MasterBase(MiniSoC, AMPSoC):
self.config["HAS_DRTIO_ROUTING"] = None self.config["HAS_DRTIO_ROUTING"] = None
rtio_clk_period = 1e9/rtio_clk_freq rtio_clk_period = 1e9/rtio_clk_freq
gtp = self.drtio_transceiver.gtps[0] gtp = self.gt_drtio.gtps[0]
txout_buf = Signal() txout_buf = Signal()
self.specials += Instance("BUFG", i_I=gtp.txoutclk, o_O=txout_buf) self.specials += Instance("BUFG", i_I=gtp.txoutclk, o_O=txout_buf)
@ -331,7 +331,7 @@ class MasterBase(MiniSoC, AMPSoC):
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, self.crg.cd_sys.clk,
gtp.txoutclk, gtp.rxoutclk) gtp.txoutclk, gtp.rxoutclk)
for gtp in self.drtio_transceiver.gtps[1:]: for gtp in self.gt_drtio.gtps[1:]:
platform.add_period_constraint(gtp.rxoutclk, rtio_clk_period) platform.add_period_constraint(gtp.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, gtp.rxoutclk) self.crg.cd_sys.clk, gtp.rxoutclk)
@ -372,7 +372,7 @@ class MasterBase(MiniSoC, AMPSoC):
cdr = ClockDomainsRenamer({"rtio_rx": "sys"}) cdr = ClockDomainsRenamer({"rtio_rx": "sys"})
for i in range(len(self.eem_transceiver.channels)): for i in range(len(self.eem_transceiver.channels)):
channel = i + len(self.drtio_transceiver.channels) channel = i + len(self.gt_drtio.channels)
core_name = "drtio" + str(channel) core_name = "drtio" + str(channel)
coreaux_name = "drtioaux" + str(channel) coreaux_name = "drtioaux" + str(channel)
memory_name = "drtioaux" + str(channel) + "_mem" memory_name = "drtioaux" + str(channel) + "_mem"
@ -504,17 +504,17 @@ class SatelliteBase(BaseSoC, AMPSoC):
if self.platform.hw_rev in ("v1.0", "v1.1"): if self.platform.hw_rev in ("v1.0", "v1.1"):
sfp_ctls = [platform.request("sfp_ctl", i) for i in range(3)] sfp_ctls = [platform.request("sfp_ctl", i) for i in range(3)]
self.comb += [sc.tx_disable.eq(0) for sc in sfp_ctls] self.comb += [sc.tx_disable.eq(0) for sc in sfp_ctls]
self.submodules.drtio_transceiver = gtp_7series.GTP( self.submodules.gt_drtio = gtp_7series.GTP(
qpll_channel=qpll.channels[0], qpll_channel=qpll.channels[0],
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) rtio_clk_freq=rtio_clk_freq)
self.csr_devices.append("drtio_transceiver") self.csr_devices.append("gt_drtio")
if enable_sata: if enable_sata:
sfp_channels = self.drtio_transceiver.channels[1:] sfp_channels = self.gt_drtio.channels[1:]
else: else:
sfp_channels = self.drtio_transceiver.channels sfp_channels = self.gt_drtio.channels
if self.platform.hw_rev in ("v1.0", "v1.1"): if self.platform.hw_rev in ("v1.0", "v1.1"):
self.comb += [sfp_ctl.led.eq(channel.rx_ready) self.comb += [sfp_ctl.led.eq(channel.rx_ready)
for sfp_ctl, channel in zip(sfp_ctls, sfp_channels)] for sfp_ctl, channel in zip(sfp_ctls, sfp_channels)]
@ -528,7 +528,7 @@ class SatelliteBase(BaseSoC, AMPSoC):
drtioaux_memory_group = [] drtioaux_memory_group = []
drtiorep_csr_group = [] drtiorep_csr_group = []
self.drtio_cri = [] self.drtio_cri = []
for i in range(len(self.drtio_transceiver.channels)): for i in range(len(self.gt_drtio.channels)):
coreaux_name = "drtioaux" + str(i) coreaux_name = "drtioaux" + str(i)
memory_name = "drtioaux" + str(i) + "_mem" memory_name = "drtioaux" + str(i) + "_mem"
drtioaux_csr_group.append(coreaux_name) drtioaux_csr_group.append(coreaux_name)
@ -539,7 +539,7 @@ class SatelliteBase(BaseSoC, AMPSoC):
if i == 0: if i == 0:
self.submodules.rx_synchronizer = cdr(XilinxRXSynchronizer()) self.submodules.rx_synchronizer = cdr(XilinxRXSynchronizer())
core = cdr(DRTIOSatellite( core = cdr(DRTIOSatellite(
self.rtio_tsc, self.drtio_transceiver.channels[i], self.rtio_tsc, self.gt_drtio.channels[i],
self.rx_synchronizer)) self.rx_synchronizer))
self.submodules.drtiosat = core self.submodules.drtiosat = core
self.csr_devices.append("drtiosat") self.csr_devices.append("drtiosat")
@ -548,7 +548,7 @@ class SatelliteBase(BaseSoC, AMPSoC):
drtiorep_csr_group.append(corerep_name) drtiorep_csr_group.append(corerep_name)
core = cdr(DRTIORepeater( core = cdr(DRTIORepeater(
self.rtio_tsc, self.drtio_transceiver.channels[i])) self.rtio_tsc, self.gt_drtio.channels[i]))
setattr(self.submodules, corerep_name, core) setattr(self.submodules, corerep_name, core)
self.drtio_cri.append(core.cri) self.drtio_cri.append(core.cri)
self.csr_devices.append(corerep_name) self.csr_devices.append(corerep_name)
@ -587,7 +587,7 @@ class SatelliteBase(BaseSoC, AMPSoC):
self.config["HAS_SI5324"] = None self.config["HAS_SI5324"] = None
self.config["SI5324_SOFT_RESET"] = None self.config["SI5324_SOFT_RESET"] = None
gtp = self.drtio_transceiver.gtps[0] gtp = self.gt_drtio.gtps[0]
txout_buf = Signal() txout_buf = Signal()
self.specials += Instance("BUFG", i_I=gtp.txoutclk, o_O=txout_buf) self.specials += Instance("BUFG", i_I=gtp.txoutclk, o_O=txout_buf)
self.crg.configure(txout_buf, clk_sw=gtp.tx_init.done) self.crg.configure(txout_buf, clk_sw=gtp.tx_init.done)
@ -597,7 +597,7 @@ class SatelliteBase(BaseSoC, AMPSoC):
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, self.crg.cd_sys.clk,
gtp.txoutclk, gtp.rxoutclk) gtp.txoutclk, gtp.rxoutclk)
for gtp in self.drtio_transceiver.gtps[1:]: for gtp in self.gt_drtio.gtps[1:]:
platform.add_period_constraint(gtp.rxoutclk, rtio_clk_period) platform.add_period_constraint(gtp.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, gtp.rxoutclk) self.crg.cd_sys.clk, gtp.rxoutclk)

4
artiq/gateware/targets/kasli_generic.py
View File

@ -108,7 +108,7 @@ class GenericMaster(MasterBase):
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.drtio_transceiver.gtps[0].txoutclk, getattr(self, grabber).deserializer.cd_cl.clk) self.gt_drtio.gtps[0].txoutclk, getattr(self, grabber).deserializer.cd_cl.clk)
class GenericSatellite(SatelliteBase): class GenericSatellite(SatelliteBase):
@ -142,7 +142,7 @@ class GenericSatellite(SatelliteBase):
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.drtio_transceiver.gtps[0].txoutclk, getattr(self, grabber).deserializer.cd_cl.clk) self.gt_drtio.gtps[0].txoutclk, getattr(self, grabber).deserializer.cd_cl.clk)
def main(): def main():

36
artiq/gateware/targets/kc705.py
View File

@ -215,11 +215,11 @@ class _MasterBase(MiniSoC, AMPSoC):
] ]
# 1000BASE_BX10 Ethernet compatible, 100/125MHz RTIO clock # 1000BASE_BX10 Ethernet compatible, 100/125MHz RTIO clock
self.submodules.drtio_transceiver = gtx_7series.GTX( self.submodules.gt_drtio = gtx_7series.GTX(
clock_pads=platform.request("si5324_clkout"), clock_pads=platform.request("si5324_clkout"),
pads=data_pads, pads=data_pads,
clk_freq=self.clk_freq) clk_freq=self.clk_freq)
self.csr_devices.append("drtio_transceiver") self.csr_devices.append("gt_drtio")
self.submodules.rtio_tsc = rtio.TSC(glbl_fine_ts_width=3) self.submodules.rtio_tsc = rtio.TSC(glbl_fine_ts_width=3)
@ -227,7 +227,7 @@ class _MasterBase(MiniSoC, AMPSoC):
drtioaux_csr_group = [] drtioaux_csr_group = []
drtioaux_memory_group = [] drtioaux_memory_group = []
self.drtio_cri = [] self.drtio_cri = []
for i in range(len(self.drtio_transceiver.channels)): for i in range(len(self.gt_drtio.channels)):
core_name = "drtio" + str(i) core_name = "drtio" + str(i)
coreaux_name = "drtioaux" + str(i) coreaux_name = "drtioaux" + str(i)
memory_name = "drtioaux" + str(i) + "_mem" memory_name = "drtioaux" + str(i) + "_mem"
@ -238,7 +238,7 @@ class _MasterBase(MiniSoC, AMPSoC):
cdr = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)}) cdr = ClockDomainsRenamer({"rtio_rx": "rtio_rx" + str(i)})
core = cdr(DRTIOMaster( core = cdr(DRTIOMaster(
self.rtio_tsc, self.drtio_transceiver.channels[i])) self.rtio_tsc, self.gt_drtio.channels[i]))
setattr(self.submodules, core_name, core) setattr(self.submodules, core_name, core)
self.drtio_cri.append(core.cri) self.drtio_cri.append(core.cri)
self.csr_devices.append(core_name) self.csr_devices.append(core_name)
@ -257,7 +257,7 @@ class _MasterBase(MiniSoC, AMPSoC):
self.add_csr_group("drtioaux", drtioaux_csr_group) self.add_csr_group("drtioaux", drtioaux_csr_group)
self.add_memory_group("drtioaux_mem", drtioaux_memory_group) self.add_memory_group("drtioaux_mem", drtioaux_memory_group)
self.config["RTIO_FREQUENCY"] = str(self.drtio_transceiver.rtio_clk_freq/1e6) self.config["RTIO_FREQUENCY"] = str(self.gt_drtio.rtio_clk_freq/1e6)
self.submodules.si5324_rst_n = gpio.GPIOOut(platform.request("si5324_33").rst_n, reset_out=1) self.submodules.si5324_rst_n = gpio.GPIOOut(platform.request("si5324_33").rst_n, reset_out=1)
self.csr_devices.append("si5324_rst_n") self.csr_devices.append("si5324_rst_n")
i2c = self.platform.request("i2c") i2c = self.platform.request("i2c")
@ -266,10 +266,10 @@ class _MasterBase(MiniSoC, AMPSoC):
self.config["I2C_BUS_COUNT"] = 1 self.config["I2C_BUS_COUNT"] = 1
self.config["HAS_SI5324"] = None self.config["HAS_SI5324"] = None
rtio_clk_period = 1e9/self.drtio_transceiver.rtio_clk_freq rtio_clk_period = 1e9/self.gt_drtio.rtio_clk_freq
# Constrain TX & RX timing for the first transceiver channel # Constrain TX & RX timing for the first transceiver channel
# (First channel acts as master for phase alignment for all channels' TX) # (First channel acts as master for phase alignment for all channels' TX)
gtx0 = self.drtio_transceiver.gtxs[0] gtx0 = self.gt_drtio.gtxs[0]
txout_buf = Signal() txout_buf = Signal()
self.specials += Instance("BUFG", i_I=gtx0.txoutclk, o_O=txout_buf) self.specials += Instance("BUFG", i_I=gtx0.txoutclk, o_O=txout_buf)
@ -286,7 +286,7 @@ class _MasterBase(MiniSoC, AMPSoC):
self.crg.cd_sys.clk, gtx0.rxoutclk) self.crg.cd_sys.clk, gtx0.rxoutclk)
# Constrain RX timing for the each transceiver channel # Constrain RX timing for the each transceiver channel
# (Each channel performs single-lane phase alignment for RX) # (Each channel performs single-lane phase alignment for RX)
for gtx in self.drtio_transceiver.gtxs[1:]: for gtx in self.gt_drtio.gtxs[1:]:
platform.add_period_constraint(gtx.rxoutclk, rtio_clk_period) platform.add_period_constraint(gtx.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, gtx.rxoutclk) self.crg.cd_sys.clk, gtx.rxoutclk)
@ -363,11 +363,11 @@ class _SatelliteBase(BaseSoC, AMPSoC):
rtio_clk_freq = clk_freq rtio_clk_freq = clk_freq
# 1000BASE_BX10 Ethernet compatible, 100/125MHz RTIO clock # 1000BASE_BX10 Ethernet compatible, 100/125MHz RTIO clock
self.submodules.drtio_transceiver = gtx_7series.GTX( self.submodules.gt_drtio = gtx_7series.GTX(
clock_pads=platform.request("si5324_clkout"), clock_pads=platform.request("si5324_clkout"),
pads=data_pads, pads=data_pads,
clk_freq=self.clk_freq) clk_freq=self.clk_freq)
self.csr_devices.append("drtio_transceiver") self.csr_devices.append("gt_drtio")
self.submodules.rtio_tsc = rtio.TSC(glbl_fine_ts_width=3) self.submodules.rtio_tsc = rtio.TSC(glbl_fine_ts_width=3)
@ -375,7 +375,7 @@ class _SatelliteBase(BaseSoC, AMPSoC):
drtioaux_memory_group = [] drtioaux_memory_group = []
drtiorep_csr_group = [] drtiorep_csr_group = []
self.drtio_cri = [] self.drtio_cri = []
for i in range(len(self.drtio_transceiver.channels)): for i in range(len(self.gt_drtio.channels)):
coreaux_name = "drtioaux" + str(i) coreaux_name = "drtioaux" + str(i)
memory_name = "drtioaux" + str(i) + "_mem" memory_name = "drtioaux" + str(i) + "_mem"
drtioaux_csr_group.append(coreaux_name) drtioaux_csr_group.append(coreaux_name)
@ -387,7 +387,7 @@ class _SatelliteBase(BaseSoC, AMPSoC):
if i == 0: if i == 0:
self.submodules.rx_synchronizer = cdr(XilinxRXSynchronizer()) self.submodules.rx_synchronizer = cdr(XilinxRXSynchronizer())
core = cdr(DRTIOSatellite( core = cdr(DRTIOSatellite(
self.rtio_tsc, self.drtio_transceiver.channels[0], self.rx_synchronizer)) self.rtio_tsc, self.gt_drtio.channels[0], self.rx_synchronizer))
self.submodules.drtiosat = core self.submodules.drtiosat = core
self.csr_devices.append("drtiosat") self.csr_devices.append("drtiosat")
# Repeaters # Repeaters
@ -395,7 +395,7 @@ class _SatelliteBase(BaseSoC, AMPSoC):
corerep_name = "drtiorep" + str(i-1) corerep_name = "drtiorep" + str(i-1)
drtiorep_csr_group.append(corerep_name) drtiorep_csr_group.append(corerep_name)
core = cdr(DRTIORepeater( core = cdr(DRTIORepeater(
self.rtio_tsc, self.drtio_transceiver.channels[i])) self.rtio_tsc, self.gt_drtio.channels[i]))
setattr(self.submodules, corerep_name, core) setattr(self.submodules, corerep_name, core)
self.drtio_cri.append(core.cri) self.drtio_cri.append(core.cri)
self.csr_devices.append(corerep_name) self.csr_devices.append(corerep_name)
@ -414,14 +414,14 @@ class _SatelliteBase(BaseSoC, AMPSoC):
self.add_memory_group("drtioaux_mem", drtioaux_memory_group) self.add_memory_group("drtioaux_mem", drtioaux_memory_group)
self.add_csr_group("drtiorep", drtiorep_csr_group) self.add_csr_group("drtiorep", drtiorep_csr_group)
self.config["RTIO_FREQUENCY"] = str(self.drtio_transceiver.rtio_clk_freq/1e6) self.config["RTIO_FREQUENCY"] = str(self.gt_drtio.rtio_clk_freq/1e6)
# Si5324 Phaser # Si5324 Phaser
self.submodules.siphaser = SiPhaser7Series( self.submodules.siphaser = SiPhaser7Series(
si5324_clkin=platform.request("si5324_clkin_33"), si5324_clkin=platform.request("si5324_clkin_33"),
rx_synchronizer=self.rx_synchronizer, rx_synchronizer=self.rx_synchronizer,
ref_clk=ClockSignal("bootstrap"), ref_clk=ClockSignal("bootstrap"),
ultrascale=False, ultrascale=False,
rtio_clk_freq=self.drtio_transceiver.rtio_clk_freq) rtio_clk_freq=self.gt_drtio.rtio_clk_freq)
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, self.siphaser.mmcm_freerun_output) self.crg.cd_sys.clk, self.siphaser.mmcm_freerun_output)
self.csr_devices.append("siphaser") self.csr_devices.append("siphaser")
@ -433,10 +433,10 @@ class _SatelliteBase(BaseSoC, AMPSoC):
self.config["I2C_BUS_COUNT"] = 1 self.config["I2C_BUS_COUNT"] = 1
self.config["HAS_SI5324"] = None self.config["HAS_SI5324"] = None
rtio_clk_period = 1e9/self.drtio_transceiver.rtio_clk_freq rtio_clk_period = 1e9/self.gt_drtio.rtio_clk_freq
# Constrain TX & RX timing for the first transceiver channel # Constrain TX & RX timing for the first transceiver channel
# (First channel acts as master for phase alignment for all channels' TX) # (First channel acts as master for phase alignment for all channels' TX)
gtx0 = self.drtio_transceiver.gtxs[0] gtx0 = self.gt_drtio.gtxs[0]
txout_buf = Signal() txout_buf = Signal()
self.specials += Instance("BUFG", i_I=gtx0.txoutclk, o_O=txout_buf) self.specials += Instance("BUFG", i_I=gtx0.txoutclk, o_O=txout_buf)
@ -451,7 +451,7 @@ class _SatelliteBase(BaseSoC, AMPSoC):
platform.add_period_constraint(gtx0.rxoutclk, rtio_clk_period) platform.add_period_constraint(gtx0.rxoutclk, rtio_clk_period)
# Constrain RX timing for the each transceiver channel # Constrain RX timing for the each transceiver channel
# (Each channel performs single-lane phase alignment for RX) # (Each channel performs single-lane phase alignment for RX)
for gtx in self.drtio_transceiver.gtxs[1:]: for gtx in self.gt_drtio.gtxs[1:]:
platform.add_period_constraint(gtx.rxoutclk, rtio_clk_period) platform.add_period_constraint(gtx.rxoutclk, rtio_clk_period)
platform.add_false_path_constraints( platform.add_false_path_constraints(
self.crg.cd_sys.clk, gtx.rxoutclk) self.crg.cd_sys.clk, gtx.rxoutclk)