forked from M-Labs/artiq
commit
2f49a1a412
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@ -34,9 +34,9 @@ fn read(addr: u16) -> u8 {
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}
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// ad9154 mode 1
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// linerate 5Gbps or 6Gbps
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// deviceclock_fpga 125MHz or 150MHz
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// deviceclock_dac 500MHz or 600MHz
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// linerate 10Gbps
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// deviceclock_fpga 125MHz
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// deviceclock_dac 1000MHz
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struct JESDSettings {
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did: u8,
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@ -87,7 +87,7 @@ const JESD_SETTINGS: JESDSettings = JESDSettings {
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np: 16,
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f: 2,
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s: 2,
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k: 16,
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k: 32,
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cs: 0,
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subclassv: 1,
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@ -144,7 +144,7 @@ pub fn setup(dacno: u8, linerate: u64) -> Result<(), &'static str> {
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write(ad9154_reg::DEVICE_CONFIG_REG_1, 0x01); // magic
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write(ad9154_reg::DEVICE_CONFIG_REG_2, 0x01); // magic
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write(ad9154_reg::INTERP_MODE, 0x03); // 4x
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write(ad9154_reg::INTERP_MODE, 0x01); // 2x
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write(ad9154_reg::MIX_MODE, 0);
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write(ad9154_reg::DATA_FORMAT, 0*ad9154_reg::BINARY_FORMAT); // s16
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write(ad9154_reg::DATAPATH_CTRL,
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@ -351,6 +351,28 @@ pub fn setup(dacno: u8, linerate: u64) -> Result<(), &'static str> {
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write(ad9154_reg::GENERAL_JRX_CTRL_0,
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0x1*ad9154_reg::LINK_EN | 0*ad9154_reg::LINK_PAGE |
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0*ad9154_reg::LINK_MODE | 0*ad9154_reg::CHECKSUM_MODE);
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// JESD Checks
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let jesd_checks = read(ad9154_reg::JESD_CHECKS);
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if jesd_checks & ad9154_reg::ERR_DLYOVER == ad9154_reg::ERR_DLYOVER {
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error!("LMFC_Delay > JESD_K Parameter")
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}
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if jesd_checks & ad9154_reg::ERR_WINLIMIT == ad9154_reg::ERR_WINLIMIT {
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error!("Unsupported Window Limit")
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}
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if jesd_checks & ad9154_reg::ERR_JESDBAD == ad9154_reg::ERR_JESDBAD {
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error!("Unsupported M/L/S/F Selection")
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}
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if jesd_checks & ad9154_reg::ERR_KUNSUPP == ad9154_reg::ERR_KUNSUPP {
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error!("Unsupported K Values")
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}
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if jesd_checks & ad9154_reg::ERR_SUBCLASS == ad9154_reg::ERR_SUBCLASS {
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error!("Unsupported SUBCLASSV Value")
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}
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if jesd_checks & ad9154_reg::ERR_INTSUPP == ad9154_reg::ERR_INTSUPP {
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error!("Unsupported Interpolation Factor")
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}
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info!(" ...done");
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Ok(())
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}
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@ -157,7 +157,7 @@ pub mod hmc7043 {
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(false, FPGA_CLK_DIV, 0x10, true), // 5: AMC_FPGA_SYSREF1
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(false, 0, 0x10, false), // 6: unused
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(true, FPGA_CLK_DIV, 0x10, true), // 7: RTM_FPGA_SYSREF0
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(true, FPGA_CLK_DIV, 0x08, false), // 8: GTP_CLK0_IN
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(true, FPGA_CLK_DIV/2, 0x08, false), // 8: GTP_CLK0_IN
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(false, 0, 0x10, false), // 9: unused
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(false, 0, 0x10, false), // 10: unused
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(false, 0, 0x08, false), // 11: unused / uFL
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@ -393,8 +393,6 @@ pub mod hmc7043 {
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pub fn init() -> Result<(), &'static str> {
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#[cfg(all(hmc830_ref = "125", rtio_frequency = "125.0"))]
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const DIV: (u32, u32, u32, u32) = (2, 32, 0, 1); // 125MHz -> 2.0GHz
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#[cfg(all(hmc830_ref = "150", rtio_frequency = "150.0"))]
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const DIV: (u32, u32, u32, u32) = (2, 32, 0, 1); // 150MHz -> 2.4GHz
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/* do not use other SPI devices before HMC830 SPI mode selection */
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hmc830::select_spi_mode();
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@ -406,7 +404,7 @@ pub fn init() -> Result<(), &'static str> {
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hmc830::check_locked()?;
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if hmc7043::get_id() == hmc7043::CHIP_ID {
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error!("HMC7043 detected while in reset (board rework missing?)");
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error!("HMC7043 detected while in reset");
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}
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hmc7043::enable();
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hmc7043::detect()?;
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@ -119,19 +119,6 @@ fn setup_si5324_as_synthesizer() {
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bwsel : 4,
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crystal_ref: true
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};
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// 150MHz output, from crystal
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#[cfg(all(rtio_frequency = "150.0", not(si5324_ext_ref)))]
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const SI5324_SETTINGS: si5324::FrequencySettings
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= si5324::FrequencySettings {
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n1_hs : 9,
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nc1_ls : 4,
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n2_hs : 10,
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n2_ls : 33732,
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n31 : 7139,
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n32 : 7139,
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bwsel : 3,
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crystal_ref: true
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};
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// 100MHz output, from crystal. Also used as reference for Sayma HMC830.
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#[cfg(all(rtio_frequency = "100.0", not(si5324_ext_ref)))]
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const SI5324_SETTINGS: si5324::FrequencySettings
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@ -300,9 +300,7 @@ fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
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#[cfg(has_ad9154)]
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let (succeeded, retval) = {
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#[cfg(rtio_frequency = "125.0")]
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const LINERATE: u64 = 5_000_000_000;
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#[cfg(rtio_frequency = "150.0")]
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const LINERATE: u64 = 6_000_000_000;
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const LINERATE: u64 = 10_000_000_000;
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match _reqno {
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jdac_common::INIT => (board_artiq::ad9154::setup(_dacno, LINERATE).is_ok(), 0),
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jdac_common::PRINT_STATUS => { board_artiq::ad9154::status(_dacno); (true, 0) },
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@ -417,19 +415,6 @@ fn hardware_tick(ts: &mut u64) {
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}
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}
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#[cfg(all(has_si5324, rtio_frequency = "150.0"))]
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const SI5324_SETTINGS: si5324::FrequencySettings
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= si5324::FrequencySettings {
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n1_hs : 6,
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nc1_ls : 6,
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n2_hs : 10,
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n2_ls : 270,
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n31 : 75,
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n32 : 75,
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bwsel : 4,
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crystal_ref: true
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};
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#[cfg(all(has_si5324, rtio_frequency = "125.0"))]
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const SI5324_SETTINGS: si5324::FrequencySettings
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= si5324::FrequencySettings {
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@ -19,31 +19,27 @@ from jesd204b.core import JESD204BCoreTXControl
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class UltrascaleCRG(Module, AutoCSR):
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linerate = int(6e9) # linerate = 20*data_rate*4/8 = data_rate*10
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linerate = int(10e9) # linerate = 20*data_rate*4/8 = data_rate*10
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# data_rate = dac_rate/interp_factor
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refclk_freq = int(150e6)
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refclk_freq = int(250e6)
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fabric_freq = int(125e6)
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def __init__(self, platform, use_rtio_clock=False):
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def __init__(self, platform):
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self.jreset = CSRStorage(reset=1)
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self.refclk = Signal()
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self.clock_domains.cd_jesd = ClockDomain()
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refclk2 = Signal()
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refclk_pads = platform.request("dac_refclk", 0)
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platform.add_period_constraint(refclk_pads.p, 1e9/self.refclk_freq)
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self.specials += [
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Instance("IBUFDS_GTE3", i_CEB=0, p_REFCLK_HROW_CK_SEL=0b00,
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Instance("IBUFDS_GTE3", i_CEB=0, p_REFCLK_HROW_CK_SEL=0b01,
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i_I=refclk_pads.p, i_IB=refclk_pads.n,
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o_O=self.refclk, o_ODIV2=refclk2),
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AsyncResetSynchronizer(self.cd_jesd, self.jreset.storage),
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o_O=self.refclk),
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]
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if use_rtio_clock:
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self.cd_jesd.clk.attr.add("keep")
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self.comb += self.cd_jesd.clk.eq(ClockSignal("rtio"))
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else:
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self.specials += Instance("BUFG_GT", i_I=refclk2, o_O=self.cd_jesd.clk)
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self.specials += AsyncResetSynchronizer(self.cd_jesd, self.jreset.storage)
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PhyPads = namedtuple("PhyPads", "txp txn")
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@ -61,7 +57,7 @@ class UltrascaleTX(Module, AutoCSR):
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"qpll": JESD204BGTHQuadPLL
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}[pll_type]
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ps = JESD204BPhysicalSettings(l=8, m=4, n=16, np=16)
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ts = JESD204BTransportSettings(f=2, s=2, k=16, cs=0)
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ts = JESD204BTransportSettings(f=2, s=2, k=32, cs=0)
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settings = JESD204BSettings(ps, ts, did=0x5a, bid=0x5)
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jesd_pads = platform.request("dac_jesd", dac)
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@ -142,7 +138,7 @@ class UltrascaleTX(Module, AutoCSR):
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pll, phy.transmitter, **phy_channel_cfg)
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self.submodules.core = JESD204BCoreTX(
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phys, settings, converter_data_width=64)
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phys, settings, converter_data_width=128, tx_half=tx_half)
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self.submodules.control = JESD204BCoreTXControl(self.core)
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self.core.register_jsync(platform.request("dac_sync", dac))
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@ -166,7 +162,7 @@ class DDMTDEdgeDetector(Module):
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# See "Digital femtosecond time difference circuit for CERN's timing system"
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# by P. Moreira and I. Darwazeh
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class DDMTD(Module, AutoCSR):
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def __init__(self, input_pads, rtio_clk_freq=150e6):
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def __init__(self, input_pads, rtio_clk_freq=125e6):
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N = 64
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self.reset = CSRStorage(reset=1)
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self.locked = CSRStatus()
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@ -189,7 +185,7 @@ class DDMTD(Module, AutoCSR):
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i_RST=self.reset.storage,
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o_LOCKED=helper_locked,
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# VCO at 1200MHz with 150MHz RTIO frequency
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# VCO at 1000MHz/1200MHz with 125MHz/150MHz RTIO frequency
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p_CLKFBOUT_MULT_F=8.0,
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p_DIVCLK_DIVIDE=1,
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@ -54,7 +54,7 @@ class Master(MiniSoC, AMPSoC):
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add_identifier(self, gateware_identifier_str=gateware_identifier_str)
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platform = self.platform
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rtio_clk_freq = 150e6
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rtio_clk_freq = 125e6
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self.comb += platform.request("input_clk_sel").eq(1)
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self.comb += platform.request("filtered_clk_sel").eq(1)
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@ -173,11 +173,11 @@ class SatelliteBase(MiniSoC):
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class JDCGSAWG(Module, AutoCSR):
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def __init__(self, platform, sys_crg, jesd_crg, dac):
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# Kintex Ultrascale GTH, speed grade -1C:
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# CPLL linerate (D=1): 4.0 - 8.5 Gb/s
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# QPLL0 linerate (D=1): 9.8 - 12.5 Gb/s
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self.submodules.jesd = jesd204_tools.UltrascaleTX(
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platform, sys_crg, jesd_crg, dac)
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platform, sys_crg, jesd_crg, dac, pll_type="qpll", tx_half=True)
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self.submodules.sawgs = [sawg.Channel(width=16, parallelism=4) for i in range(4)]
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self.submodules.sawgs = [sawg.Channel(width=16, parallelism=8) for i in range(4)]
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for conv, ch in zip(self.jesd.core.sink.flatten(), self.sawgs):
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assert len(Cat(ch.o)) == len(conv)
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@ -187,34 +187,42 @@ class JDCGSAWG(Module, AutoCSR):
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class JDCGPattern(Module, AutoCSR):
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def __init__(self, platform, sys_crg, jesd_crg, dac):
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self.submodules.jesd = jesd204_tools.UltrascaleTX(
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platform, sys_crg, jesd_crg, dac)
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platform, sys_crg, jesd_crg, dac, pll_type="qpll", tx_half=True)
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self.sawgs = []
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ramp = Signal(4)
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self.sync.rtio += ramp.eq(ramp + 1)
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samples = [[Signal(16) for i in range(4)] for j in range(4)]
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samples = [[Signal(16) for i in range(8)] for j in range(4)]
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self.comb += [
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a.eq(Cat(b)) for a, b in zip(
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self.jesd.core.sink.flatten(), samples)
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]
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# ch0: 16-step ramp with big carry toggles
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for i in range(4):
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for i in range(8):
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self.comb += [
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samples[0][i][-4:].eq(ramp),
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samples[0][i][:-4].eq(0x7ff if i % 2 else 0x800)
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]
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# ch1: 50 MHz
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# - Formulae:
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# target cosine wave frequency: f = 50e6
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# DAC sampling frequency: fs = 1000e6
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# number of samples per coarse RTIO period: P = 8
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# number of samples needed per wave period: M = (1/f) / (1/fs)) = 20
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# number of repeating samples needed: N = LCM(P, M) = 40
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# number of RTIO periods needed for repeating: k = N/P = 5
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# discretized value of the wave: y[i] = cos(i/M * 2pi)
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from math import pi, cos
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data = [int(round(cos(i/12*2*pi)*((1 << 15) - 1)))
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for i in range(12)]
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k = Signal(2)
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self.sync.rtio += If(k == 2, k.eq(0)).Else(k.eq(k + 1))
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data = [int(round(cos(i/20*2*pi)*((1 << 15) - 1)))
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for i in range(40)]
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k = Signal(max=5)
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self.sync.rtio += If(k == 4, k.eq(0)).Else(k.eq(k + 1))
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self.comb += [
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Case(k, {
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i: [samples[1][j].eq(data[i*4 + j]) for j in range(4)]
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for i in range(3)
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i: [samples[1][j].eq(data[i*8 + j]) for j in range(8)]
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for i in range(5)
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})
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]
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# ch2: ch0, ch3: ch1
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@ -227,13 +235,13 @@ class JDCGPattern(Module, AutoCSR):
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class JDCGSyncDDS(Module, AutoCSR):
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def __init__(self, platform, sys_crg, jesd_crg, dac):
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self.submodules.jesd = jesd204_tools.UltrascaleTX(
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platform, sys_crg, jesd_crg, dac)
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platform, sys_crg, jesd_crg, dac, pll_type="qpll", tx_half=True)
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self.coarse_ts = Signal(32)
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self.sawgs = []
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ftw = round(2**len(self.coarse_ts)*9e6/600e6)
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parallelism = 4
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parallelism = 8
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mul_1 = Signal.like(self.coarse_ts)
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mul_2 = Signal.like(self.coarse_ts)
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@ -271,9 +279,7 @@ class Satellite(SatelliteBase):
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DRTIO satellite with local DAC/SAWG channels, as well as TTL channels via FMC and VHDCI carrier.
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"""
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def __init__(self, jdcg_type, **kwargs):
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SatelliteBase.__init__(self, 150e6,
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identifier_suffix="." + jdcg_type,
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**kwargs)
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SatelliteBase.__init__(self, identifier_suffix="." + jdcg_type, **kwargs)
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platform = self.platform
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@ -307,8 +313,7 @@ class Satellite(SatelliteBase):
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self.submodules += phy
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rtio_channels.append(rtio.Channel.from_phy(phy))
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self.submodules.jesd_crg = jesd204_tools.UltrascaleCRG(
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platform, use_rtio_clock=True)
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self.submodules.jesd_crg = jesd204_tools.UltrascaleCRG(platform)
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cls = {
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"sawg": JDCGSAWG,
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"pattern": JDCGPattern,
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@ -278,7 +278,7 @@ def main():
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builder_args(parser)
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soc_sayma_rtm_args(parser)
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parser.add_argument("--rtio-clk-freq",
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default=150, type=int, help="RTIO clock frequency in MHz")
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default=125, type=int, help="RTIO clock frequency in MHz")
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parser.add_argument("--gateware-identifier-str", default=None,
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help="Override ROM identifier")
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parser.set_defaults(output_dir=os.path.join("artiq_sayma", "rtm"))
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