forked from M-Labs/artiq
commit
2f49a1a412
|
@ -34,9 +34,9 @@ fn read(addr: u16) -> u8 {
|
|||
}
|
||||
|
||||
// ad9154 mode 1
|
||||
// linerate 5Gbps or 6Gbps
|
||||
// deviceclock_fpga 125MHz or 150MHz
|
||||
// deviceclock_dac 500MHz or 600MHz
|
||||
// linerate 10Gbps
|
||||
// deviceclock_fpga 125MHz
|
||||
// deviceclock_dac 1000MHz
|
||||
|
||||
struct JESDSettings {
|
||||
did: u8,
|
||||
|
@ -87,7 +87,7 @@ const JESD_SETTINGS: JESDSettings = JESDSettings {
|
|||
np: 16,
|
||||
f: 2,
|
||||
s: 2,
|
||||
k: 16,
|
||||
k: 32,
|
||||
cs: 0,
|
||||
|
||||
subclassv: 1,
|
||||
|
@ -144,7 +144,7 @@ pub fn setup(dacno: u8, linerate: u64) -> Result<(), &'static str> {
|
|||
write(ad9154_reg::DEVICE_CONFIG_REG_1, 0x01); // magic
|
||||
write(ad9154_reg::DEVICE_CONFIG_REG_2, 0x01); // magic
|
||||
|
||||
write(ad9154_reg::INTERP_MODE, 0x03); // 4x
|
||||
write(ad9154_reg::INTERP_MODE, 0x01); // 2x
|
||||
write(ad9154_reg::MIX_MODE, 0);
|
||||
write(ad9154_reg::DATA_FORMAT, 0*ad9154_reg::BINARY_FORMAT); // s16
|
||||
write(ad9154_reg::DATAPATH_CTRL,
|
||||
|
@ -351,6 +351,28 @@ pub fn setup(dacno: u8, linerate: u64) -> Result<(), &'static str> {
|
|||
write(ad9154_reg::GENERAL_JRX_CTRL_0,
|
||||
0x1*ad9154_reg::LINK_EN | 0*ad9154_reg::LINK_PAGE |
|
||||
0*ad9154_reg::LINK_MODE | 0*ad9154_reg::CHECKSUM_MODE);
|
||||
|
||||
// JESD Checks
|
||||
let jesd_checks = read(ad9154_reg::JESD_CHECKS);
|
||||
if jesd_checks & ad9154_reg::ERR_DLYOVER == ad9154_reg::ERR_DLYOVER {
|
||||
error!("LMFC_Delay > JESD_K Parameter")
|
||||
}
|
||||
if jesd_checks & ad9154_reg::ERR_WINLIMIT == ad9154_reg::ERR_WINLIMIT {
|
||||
error!("Unsupported Window Limit")
|
||||
}
|
||||
if jesd_checks & ad9154_reg::ERR_JESDBAD == ad9154_reg::ERR_JESDBAD {
|
||||
error!("Unsupported M/L/S/F Selection")
|
||||
}
|
||||
if jesd_checks & ad9154_reg::ERR_KUNSUPP == ad9154_reg::ERR_KUNSUPP {
|
||||
error!("Unsupported K Values")
|
||||
}
|
||||
if jesd_checks & ad9154_reg::ERR_SUBCLASS == ad9154_reg::ERR_SUBCLASS {
|
||||
error!("Unsupported SUBCLASSV Value")
|
||||
}
|
||||
if jesd_checks & ad9154_reg::ERR_INTSUPP == ad9154_reg::ERR_INTSUPP {
|
||||
error!("Unsupported Interpolation Factor")
|
||||
}
|
||||
|
||||
info!(" ...done");
|
||||
Ok(())
|
||||
}
|
||||
|
|
|
@ -149,20 +149,20 @@ pub mod hmc7043 {
|
|||
|
||||
// enabled, divider, output config, is sysref
|
||||
const OUTPUT_CONFIG: [(bool, u16, u8, bool); 14] = [
|
||||
(true, DAC_CLK_DIV, 0x08, false), // 0: DAC1_CLK
|
||||
(true, SYSREF_DIV, 0x01, true), // 1: DAC1_SYSREF
|
||||
(true, DAC_CLK_DIV, 0x08, false), // 2: DAC0_CLK
|
||||
(true, SYSREF_DIV, 0x01, true), // 3: DAC0_SYSREF
|
||||
(true, SYSREF_DIV, 0x10, true), // 4: AMC_FPGA_SYSREF0
|
||||
(false, FPGA_CLK_DIV, 0x10, true), // 5: AMC_FPGA_SYSREF1
|
||||
(false, 0, 0x10, false), // 6: unused
|
||||
(true, FPGA_CLK_DIV, 0x10, true), // 7: RTM_FPGA_SYSREF0
|
||||
(true, FPGA_CLK_DIV, 0x08, false), // 8: GTP_CLK0_IN
|
||||
(false, 0, 0x10, false), // 9: unused
|
||||
(false, 0, 0x10, false), // 10: unused
|
||||
(false, 0, 0x08, false), // 11: unused / uFL
|
||||
(false, 0, 0x10, false), // 12: unused
|
||||
(false, FPGA_CLK_DIV, 0x10, true), // 13: RTM_FPGA_SYSREF1
|
||||
(true, DAC_CLK_DIV, 0x08, false), // 0: DAC1_CLK
|
||||
(true, SYSREF_DIV, 0x01, true), // 1: DAC1_SYSREF
|
||||
(true, DAC_CLK_DIV, 0x08, false), // 2: DAC0_CLK
|
||||
(true, SYSREF_DIV, 0x01, true), // 3: DAC0_SYSREF
|
||||
(true, SYSREF_DIV, 0x10, true), // 4: AMC_FPGA_SYSREF0
|
||||
(false, FPGA_CLK_DIV, 0x10, true), // 5: AMC_FPGA_SYSREF1
|
||||
(false, 0, 0x10, false), // 6: unused
|
||||
(true, FPGA_CLK_DIV, 0x10, true), // 7: RTM_FPGA_SYSREF0
|
||||
(true, FPGA_CLK_DIV/2, 0x08, false), // 8: GTP_CLK0_IN
|
||||
(false, 0, 0x10, false), // 9: unused
|
||||
(false, 0, 0x10, false), // 10: unused
|
||||
(false, 0, 0x08, false), // 11: unused / uFL
|
||||
(false, 0, 0x10, false), // 12: unused
|
||||
(false, FPGA_CLK_DIV, 0x10, true), // 13: RTM_FPGA_SYSREF1
|
||||
];
|
||||
|
||||
fn spi_setup() {
|
||||
|
@ -393,8 +393,6 @@ pub mod hmc7043 {
|
|||
pub fn init() -> Result<(), &'static str> {
|
||||
#[cfg(all(hmc830_ref = "125", rtio_frequency = "125.0"))]
|
||||
const DIV: (u32, u32, u32, u32) = (2, 32, 0, 1); // 125MHz -> 2.0GHz
|
||||
#[cfg(all(hmc830_ref = "150", rtio_frequency = "150.0"))]
|
||||
const DIV: (u32, u32, u32, u32) = (2, 32, 0, 1); // 150MHz -> 2.4GHz
|
||||
|
||||
/* do not use other SPI devices before HMC830 SPI mode selection */
|
||||
hmc830::select_spi_mode();
|
||||
|
@ -406,7 +404,7 @@ pub fn init() -> Result<(), &'static str> {
|
|||
hmc830::check_locked()?;
|
||||
|
||||
if hmc7043::get_id() == hmc7043::CHIP_ID {
|
||||
error!("HMC7043 detected while in reset (board rework missing?)");
|
||||
error!("HMC7043 detected while in reset");
|
||||
}
|
||||
hmc7043::enable();
|
||||
hmc7043::detect()?;
|
||||
|
|
|
@ -119,19 +119,6 @@ fn setup_si5324_as_synthesizer() {
|
|||
bwsel : 4,
|
||||
crystal_ref: true
|
||||
};
|
||||
// 150MHz output, from crystal
|
||||
#[cfg(all(rtio_frequency = "150.0", not(si5324_ext_ref)))]
|
||||
const SI5324_SETTINGS: si5324::FrequencySettings
|
||||
= si5324::FrequencySettings {
|
||||
n1_hs : 9,
|
||||
nc1_ls : 4,
|
||||
n2_hs : 10,
|
||||
n2_ls : 33732,
|
||||
n31 : 7139,
|
||||
n32 : 7139,
|
||||
bwsel : 3,
|
||||
crystal_ref: true
|
||||
};
|
||||
// 100MHz output, from crystal. Also used as reference for Sayma HMC830.
|
||||
#[cfg(all(rtio_frequency = "100.0", not(si5324_ext_ref)))]
|
||||
const SI5324_SETTINGS: si5324::FrequencySettings
|
||||
|
|
|
@ -300,9 +300,7 @@ fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
|
|||
#[cfg(has_ad9154)]
|
||||
let (succeeded, retval) = {
|
||||
#[cfg(rtio_frequency = "125.0")]
|
||||
const LINERATE: u64 = 5_000_000_000;
|
||||
#[cfg(rtio_frequency = "150.0")]
|
||||
const LINERATE: u64 = 6_000_000_000;
|
||||
const LINERATE: u64 = 10_000_000_000;
|
||||
match _reqno {
|
||||
jdac_common::INIT => (board_artiq::ad9154::setup(_dacno, LINERATE).is_ok(), 0),
|
||||
jdac_common::PRINT_STATUS => { board_artiq::ad9154::status(_dacno); (true, 0) },
|
||||
|
@ -417,19 +415,6 @@ fn hardware_tick(ts: &mut u64) {
|
|||
}
|
||||
}
|
||||
|
||||
#[cfg(all(has_si5324, rtio_frequency = "150.0"))]
|
||||
const SI5324_SETTINGS: si5324::FrequencySettings
|
||||
= si5324::FrequencySettings {
|
||||
n1_hs : 6,
|
||||
nc1_ls : 6,
|
||||
n2_hs : 10,
|
||||
n2_ls : 270,
|
||||
n31 : 75,
|
||||
n32 : 75,
|
||||
bwsel : 4,
|
||||
crystal_ref: true
|
||||
};
|
||||
|
||||
#[cfg(all(has_si5324, rtio_frequency = "125.0"))]
|
||||
const SI5324_SETTINGS: si5324::FrequencySettings
|
||||
= si5324::FrequencySettings {
|
||||
|
|
|
@ -19,31 +19,27 @@ from jesd204b.core import JESD204BCoreTXControl
|
|||
|
||||
|
||||
class UltrascaleCRG(Module, AutoCSR):
|
||||
linerate = int(6e9) # linerate = 20*data_rate*4/8 = data_rate*10
|
||||
linerate = int(10e9) # linerate = 20*data_rate*4/8 = data_rate*10
|
||||
# data_rate = dac_rate/interp_factor
|
||||
refclk_freq = int(150e6)
|
||||
refclk_freq = int(250e6)
|
||||
fabric_freq = int(125e6)
|
||||
|
||||
def __init__(self, platform, use_rtio_clock=False):
|
||||
def __init__(self, platform):
|
||||
self.jreset = CSRStorage(reset=1)
|
||||
self.refclk = Signal()
|
||||
self.clock_domains.cd_jesd = ClockDomain()
|
||||
|
||||
refclk2 = Signal()
|
||||
refclk_pads = platform.request("dac_refclk", 0)
|
||||
platform.add_period_constraint(refclk_pads.p, 1e9/self.refclk_freq)
|
||||
self.specials += [
|
||||
Instance("IBUFDS_GTE3", i_CEB=0, p_REFCLK_HROW_CK_SEL=0b00,
|
||||
Instance("IBUFDS_GTE3", i_CEB=0, p_REFCLK_HROW_CK_SEL=0b01,
|
||||
i_I=refclk_pads.p, i_IB=refclk_pads.n,
|
||||
o_O=self.refclk, o_ODIV2=refclk2),
|
||||
AsyncResetSynchronizer(self.cd_jesd, self.jreset.storage),
|
||||
o_O=self.refclk),
|
||||
]
|
||||
|
||||
if use_rtio_clock:
|
||||
self.cd_jesd.clk.attr.add("keep")
|
||||
self.comb += self.cd_jesd.clk.eq(ClockSignal("rtio"))
|
||||
else:
|
||||
self.specials += Instance("BUFG_GT", i_I=refclk2, o_O=self.cd_jesd.clk)
|
||||
self.cd_jesd.clk.attr.add("keep")
|
||||
self.comb += self.cd_jesd.clk.eq(ClockSignal("rtio"))
|
||||
self.specials += AsyncResetSynchronizer(self.cd_jesd, self.jreset.storage)
|
||||
|
||||
|
||||
PhyPads = namedtuple("PhyPads", "txp txn")
|
||||
|
@ -61,7 +57,7 @@ class UltrascaleTX(Module, AutoCSR):
|
|||
"qpll": JESD204BGTHQuadPLL
|
||||
}[pll_type]
|
||||
ps = JESD204BPhysicalSettings(l=8, m=4, n=16, np=16)
|
||||
ts = JESD204BTransportSettings(f=2, s=2, k=16, cs=0)
|
||||
ts = JESD204BTransportSettings(f=2, s=2, k=32, cs=0)
|
||||
settings = JESD204BSettings(ps, ts, did=0x5a, bid=0x5)
|
||||
|
||||
jesd_pads = platform.request("dac_jesd", dac)
|
||||
|
@ -142,7 +138,7 @@ class UltrascaleTX(Module, AutoCSR):
|
|||
pll, phy.transmitter, **phy_channel_cfg)
|
||||
|
||||
self.submodules.core = JESD204BCoreTX(
|
||||
phys, settings, converter_data_width=64)
|
||||
phys, settings, converter_data_width=128, tx_half=tx_half)
|
||||
self.submodules.control = JESD204BCoreTXControl(self.core)
|
||||
self.core.register_jsync(platform.request("dac_sync", dac))
|
||||
|
||||
|
@ -166,7 +162,7 @@ class DDMTDEdgeDetector(Module):
|
|||
# See "Digital femtosecond time difference circuit for CERN's timing system"
|
||||
# by P. Moreira and I. Darwazeh
|
||||
class DDMTD(Module, AutoCSR):
|
||||
def __init__(self, input_pads, rtio_clk_freq=150e6):
|
||||
def __init__(self, input_pads, rtio_clk_freq=125e6):
|
||||
N = 64
|
||||
self.reset = CSRStorage(reset=1)
|
||||
self.locked = CSRStatus()
|
||||
|
@ -189,7 +185,7 @@ class DDMTD(Module, AutoCSR):
|
|||
i_RST=self.reset.storage,
|
||||
o_LOCKED=helper_locked,
|
||||
|
||||
# VCO at 1200MHz with 150MHz RTIO frequency
|
||||
# VCO at 1000MHz/1200MHz with 125MHz/150MHz RTIO frequency
|
||||
p_CLKFBOUT_MULT_F=8.0,
|
||||
p_DIVCLK_DIVIDE=1,
|
||||
|
||||
|
|
|
@ -54,7 +54,7 @@ class Master(MiniSoC, AMPSoC):
|
|||
add_identifier(self, gateware_identifier_str=gateware_identifier_str)
|
||||
|
||||
platform = self.platform
|
||||
rtio_clk_freq = 150e6
|
||||
rtio_clk_freq = 125e6
|
||||
|
||||
self.comb += platform.request("input_clk_sel").eq(1)
|
||||
self.comb += platform.request("filtered_clk_sel").eq(1)
|
||||
|
|
|
@ -173,11 +173,11 @@ class SatelliteBase(MiniSoC):
|
|||
class JDCGSAWG(Module, AutoCSR):
|
||||
def __init__(self, platform, sys_crg, jesd_crg, dac):
|
||||
# Kintex Ultrascale GTH, speed grade -1C:
|
||||
# CPLL linerate (D=1): 4.0 - 8.5 Gb/s
|
||||
# QPLL0 linerate (D=1): 9.8 - 12.5 Gb/s
|
||||
self.submodules.jesd = jesd204_tools.UltrascaleTX(
|
||||
platform, sys_crg, jesd_crg, dac)
|
||||
platform, sys_crg, jesd_crg, dac, pll_type="qpll", tx_half=True)
|
||||
|
||||
self.submodules.sawgs = [sawg.Channel(width=16, parallelism=4) for i in range(4)]
|
||||
self.submodules.sawgs = [sawg.Channel(width=16, parallelism=8) for i in range(4)]
|
||||
|
||||
for conv, ch in zip(self.jesd.core.sink.flatten(), self.sawgs):
|
||||
assert len(Cat(ch.o)) == len(conv)
|
||||
|
@ -187,34 +187,42 @@ class JDCGSAWG(Module, AutoCSR):
|
|||
class JDCGPattern(Module, AutoCSR):
|
||||
def __init__(self, platform, sys_crg, jesd_crg, dac):
|
||||
self.submodules.jesd = jesd204_tools.UltrascaleTX(
|
||||
platform, sys_crg, jesd_crg, dac)
|
||||
platform, sys_crg, jesd_crg, dac, pll_type="qpll", tx_half=True)
|
||||
|
||||
self.sawgs = []
|
||||
|
||||
ramp = Signal(4)
|
||||
self.sync.rtio += ramp.eq(ramp + 1)
|
||||
|
||||
samples = [[Signal(16) for i in range(4)] for j in range(4)]
|
||||
samples = [[Signal(16) for i in range(8)] for j in range(4)]
|
||||
self.comb += [
|
||||
a.eq(Cat(b)) for a, b in zip(
|
||||
self.jesd.core.sink.flatten(), samples)
|
||||
]
|
||||
# ch0: 16-step ramp with big carry toggles
|
||||
for i in range(4):
|
||||
for i in range(8):
|
||||
self.comb += [
|
||||
samples[0][i][-4:].eq(ramp),
|
||||
samples[0][i][:-4].eq(0x7ff if i % 2 else 0x800)
|
||||
]
|
||||
# ch1: 50 MHz
|
||||
# - Formulae:
|
||||
# target cosine wave frequency: f = 50e6
|
||||
# DAC sampling frequency: fs = 1000e6
|
||||
# number of samples per coarse RTIO period: P = 8
|
||||
# number of samples needed per wave period: M = (1/f) / (1/fs)) = 20
|
||||
# number of repeating samples needed: N = LCM(P, M) = 40
|
||||
# number of RTIO periods needed for repeating: k = N/P = 5
|
||||
# discretized value of the wave: y[i] = cos(i/M * 2pi)
|
||||
from math import pi, cos
|
||||
data = [int(round(cos(i/12*2*pi)*((1 << 15) - 1)))
|
||||
for i in range(12)]
|
||||
k = Signal(2)
|
||||
self.sync.rtio += If(k == 2, k.eq(0)).Else(k.eq(k + 1))
|
||||
data = [int(round(cos(i/20*2*pi)*((1 << 15) - 1)))
|
||||
for i in range(40)]
|
||||
k = Signal(max=5)
|
||||
self.sync.rtio += If(k == 4, k.eq(0)).Else(k.eq(k + 1))
|
||||
self.comb += [
|
||||
Case(k, {
|
||||
i: [samples[1][j].eq(data[i*4 + j]) for j in range(4)]
|
||||
for i in range(3)
|
||||
i: [samples[1][j].eq(data[i*8 + j]) for j in range(8)]
|
||||
for i in range(5)
|
||||
})
|
||||
]
|
||||
# ch2: ch0, ch3: ch1
|
||||
|
@ -227,13 +235,13 @@ class JDCGPattern(Module, AutoCSR):
|
|||
class JDCGSyncDDS(Module, AutoCSR):
|
||||
def __init__(self, platform, sys_crg, jesd_crg, dac):
|
||||
self.submodules.jesd = jesd204_tools.UltrascaleTX(
|
||||
platform, sys_crg, jesd_crg, dac)
|
||||
platform, sys_crg, jesd_crg, dac, pll_type="qpll", tx_half=True)
|
||||
self.coarse_ts = Signal(32)
|
||||
|
||||
self.sawgs = []
|
||||
|
||||
ftw = round(2**len(self.coarse_ts)*9e6/600e6)
|
||||
parallelism = 4
|
||||
parallelism = 8
|
||||
|
||||
mul_1 = Signal.like(self.coarse_ts)
|
||||
mul_2 = Signal.like(self.coarse_ts)
|
||||
|
@ -271,9 +279,7 @@ class Satellite(SatelliteBase):
|
|||
DRTIO satellite with local DAC/SAWG channels, as well as TTL channels via FMC and VHDCI carrier.
|
||||
"""
|
||||
def __init__(self, jdcg_type, **kwargs):
|
||||
SatelliteBase.__init__(self, 150e6,
|
||||
identifier_suffix="." + jdcg_type,
|
||||
**kwargs)
|
||||
SatelliteBase.__init__(self, identifier_suffix="." + jdcg_type, **kwargs)
|
||||
|
||||
platform = self.platform
|
||||
|
||||
|
@ -307,8 +313,7 @@ class Satellite(SatelliteBase):
|
|||
self.submodules += phy
|
||||
rtio_channels.append(rtio.Channel.from_phy(phy))
|
||||
|
||||
self.submodules.jesd_crg = jesd204_tools.UltrascaleCRG(
|
||||
platform, use_rtio_clock=True)
|
||||
self.submodules.jesd_crg = jesd204_tools.UltrascaleCRG(platform)
|
||||
cls = {
|
||||
"sawg": JDCGSAWG,
|
||||
"pattern": JDCGPattern,
|
||||
|
|
|
@ -278,7 +278,7 @@ def main():
|
|||
builder_args(parser)
|
||||
soc_sayma_rtm_args(parser)
|
||||
parser.add_argument("--rtio-clk-freq",
|
||||
default=150, type=int, help="RTIO clock frequency in MHz")
|
||||
default=125, type=int, help="RTIO clock frequency in MHz")
|
||||
parser.add_argument("--gateware-identifier-str", default=None,
|
||||
help="Override ROM identifier")
|
||||
parser.set_defaults(output_dir=os.path.join("artiq_sayma", "rtm"))
|
||||
|
|
Loading…
Reference in New Issue