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sayma: add SAWG to DRTIO satellite

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This commit is contained in:
Sebastien Bourdeauducq 2018-06-19 19:12:10 +08:00
parent eb3259b847
commit 75b6cea52f
2 changed files with 31 additions and 11 deletions
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2
artiq/firmware/satman/main.rs
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@ -261,6 +261,8 @@ pub extern fn main() -> i32 {
#[cfg(has_hmc830_7043)]
/* must be the first SPI init because of HMC830 SPI mode selection */
hmc830_7043::init().expect("cannot initialize HMC830/7043");
#[cfg(has_ad9154)]
board_artiq::ad9154::init();
#[cfg(has_allaki_atts)]
board_artiq::hmc542::program_all(8/*=4dB*/);

40
artiq/gateware/targets/sayma_amc.py
View File

@ -43,24 +43,28 @@ class AD9154CRG(Module, AutoCSR):
linerate = int(6e9)
refclk_freq = int(150e6)
fabric_freq = int(125e6)
def __init__(self, platform):
def __init__(self, platform, use_rtio_clock=False):
self.jreset = CSRStorage(reset=1)
self.jref = Signal()
self.refclk = Signal()
refclk2 = Signal()
self.clock_domains.cd_jesd = ClockDomain()
refclk_pads = platform.request("dac_refclk", 0)
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=self.jreset.storage, p_REFCLK_HROW_CK_SEL=0b00,
i_I=refclk_pads.p, i_IB=refclk_pads.n,
o_O=self.refclk, o_ODIV2=refclk2),
Instance("BUFG_GT", i_I=refclk2, o_O=self.cd_jesd.clk),
AsyncResetSynchronizer(self.cd_jesd, self.jreset.storage),
]
if use_rtio_clock:
self.comb += self.cd_jesd.clk.eq(ClockSignal("rtio"))
else:
self.specials += Instance("BUFG_GT", i_I=refclk2, o_O=self.cd_jesd.clk)
jref = platform.request("dac_sysref")
self.specials += Instance("IBUFDS_IBUFDISABLE",
p_USE_IBUFDISABLE="TRUE", p_SIM_DEVICE="ULTRASCALE",
@ -227,12 +231,11 @@ class Standalone(MiniSoC, AMPSoC, RTMCommon):
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.submodules.ad9154_crg = AD9154CRG(platform)
if with_sawg:
cls = AD9154
else:
cls = AD9154NoSAWG
self.submodules.ad9154_crg = AD9154CRG(platform)
self.submodules.ad9154_0 = cls(platform, self.crg, self.ad9154_crg, 0)
self.submodules.ad9154_1 = cls(platform, self.crg, self.ad9154_crg, 1)
self.csr_devices.append("ad9154_crg")
@ -299,7 +302,7 @@ class Master(MiniSoC, AMPSoC, RTMCommon):
self.config["HMC830_REF"] = "150"
if with_sawg:
warnings.warn("SAWG is not implemented yet with DRTIO, ignoring.")
warnings.warn("SAWG is not implemented yet, ignoring.")
platform = self.platform
rtio_clk_freq = 150e6
@ -411,9 +414,6 @@ class Satellite(BaseSoC, RTMCommon):
RTMCommon.__init__(self)
self.config["HMC830_REF"] = "150"
if with_sawg:
warnings.warn("SAWG is not implemented yet with DRTIO, ignoring.")
platform = self.platform
rtio_clk_freq = 150e6
@ -433,6 +433,24 @@ class Satellite(BaseSoC, RTMCommon):
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))
self.submodules.ad9154_crg = AD9154CRG(platform, use_rtio_clock=True)
if with_sawg:
cls = AD9154
else:
cls = AD9154NoSAWG
self.submodules.ad9154_0 = cls(platform, self.crg, self.ad9154_crg, 0)
self.submodules.ad9154_1 = cls(platform, self.crg, self.ad9154_crg, 1)
self.csr_devices.append("ad9154_crg")
self.csr_devices.append("ad9154_0")
self.csr_devices.append("ad9154_1")
self.config["HAS_AD9154"] = None
self.add_csr_group("ad9154", ["ad9154_0", "ad9154_1"])
self.config["RTIO_FIRST_SAWG_CHANNEL"] = len(rtio_channels)
rtio_channels.extend(rtio.Channel.from_phy(phy)
for sawg in self.ad9154_0.sawgs +
self.ad9154_1.sawgs
for phy in sawg.phys)
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")