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Gateware: kasli runtime WRPLL setup 

kasli: use enable_wrpll from json to switch from si5324 to si549
kasli: add wrpll
kasli: add wrpll interrupt
kasli: add clk_synth_se
kasli: add wrpll_refclk for runtime
kasli: add WRPLL_REF_CLK config for firmware
This commit is contained in:
morgan 2024-05-28 12:49:45 +08:00 committed by Sébastien Bourdeauducq
parent d5b1f04dcc
commit c5147d7744
1 changed files with 49 additions and 9 deletions
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58
artiq/gateware/targets/kasli.py
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@ -57,7 +57,7 @@ class StandaloneBase(MiniSoC, AMPSoC):
}
mem_map.update(MiniSoC.mem_map)
def __init__(self, gateware_identifier_str=None, hw_rev="v2.0", **kwargs):
def __init__(self, gateware_identifier_str=None, with_wrpll=False, hw_rev="v2.0", **kwargs):
if hw_rev in ("v1.0", "v1.1"):
cpu_bus_width = 32
else:
@ -83,7 +83,6 @@ class StandaloneBase(MiniSoC, AMPSoC):
self.submodules.error_led = gpio.GPIOOut(Cat(
self.platform.request("error_led")))
self.csr_devices.append("error_led")
self.submodules += SMAClkinForward(self.platform)
cdr_clk_out = self.platform.request("cdr_clk_clean")
else:
cdr_clk_out = self.platform.request("si5324_clkout")
@ -105,12 +104,30 @@ class StandaloneBase(MiniSoC, AMPSoC):
self.crg.configure(cdr_clk_buf)
if with_wrpll:
clk_synth = self.platform.request("cdr_clk_clean_fabric")
clk_synth_se = Signal()
self.platform.add_period_constraint(clk_synth.p, 8.0)
self.specials += Instance("IBUFGDS", p_DIFF_TERM="TRUE", p_IBUF_LOW_PWR="FALSE", i_I=clk_synth.p, i_IB=clk_synth.n, o_O=clk_synth_se)
self.submodules.wrpll_refclk = wrpll.FrequencyMultiplier(self.platform.request("sma_clkin"))
self.submodules.wrpll = wrpll.WRPLL(
platform=self.platform,
cd_ref=self.wrpll_refclk.cd_ref,
main_clk_se=clk_synth_se)
self.csr_devices.append("wrpll_refclk")
self.csr_devices.append("wrpll")
self.interrupt_devices.append("wrpll")
self.config["HAS_SI549"] = None
self.config["WRPLL_REF_CLK"] = "SMA_CLKIN"
else:
self.submodules += SMAClkinForward(self.platform)
self.config["HAS_SI5324"] = None
self.config["SI5324_SOFT_RESET"] = None
i2c = self.platform.request("i2c")
self.submodules.i2c = gpio.GPIOTristate([i2c.scl, i2c.sda])
self.csr_devices.append("i2c")
self.config["I2C_BUS_COUNT"] = 1
self.config["HAS_SI5324"] = None
self.config["SI5324_SOFT_RESET"] = None
def add_rtio(self, rtio_channels, sed_lanes=8):
fix_serdes_timing_path(self.platform)
@ -147,7 +164,7 @@ class MasterBase(MiniSoC, AMPSoC):
}
mem_map.update(MiniSoC.mem_map)
def __init__(self, rtio_clk_freq=125e6, enable_sata=False, gateware_identifier_str=None, hw_rev="v2.0", **kwargs):
def __init__(self, rtio_clk_freq=125e6, enable_sata=False, with_wrpll=False, gateware_identifier_str=None, hw_rev="v2.0", **kwargs):
if hw_rev in ("v1.0", "v1.1"):
cpu_bus_width = 32
else:
@ -173,14 +190,33 @@ class MasterBase(MiniSoC, AMPSoC):
self.submodules.error_led = gpio.GPIOOut(Cat(
self.platform.request("error_led")))
self.csr_devices.append("error_led")
self.submodules += SMAClkinForward(platform)
i2c = self.platform.request("i2c")
self.submodules.i2c = gpio.GPIOTristate([i2c.scl, i2c.sda])
self.csr_devices.append("i2c")
self.config["I2C_BUS_COUNT"] = 1
self.config["HAS_SI5324"] = None
self.config["SI5324_SOFT_RESET"] = None
if with_wrpll:
clk_synth = platform.request("cdr_clk_clean_fabric")
clk_synth_se = Signal()
platform.add_period_constraint(clk_synth.p, 8.0)
self.specials += Instance("IBUFGDS", p_DIFF_TERM="TRUE", p_IBUF_LOW_PWR="FALSE", i_I=clk_synth.p, i_IB=clk_synth.n, o_O=clk_synth_se)
self.submodules.wrpll_refclk = wrpll.FrequencyMultiplier(platform.request("sma_clkin"))
self.submodules.wrpll = wrpll.WRPLL(
platform=self.platform,
cd_ref=self.wrpll_refclk.cd_ref,
main_clk_se=clk_synth_se)
self.csr_devices.append("wrpll_refclk")
self.csr_devices.append("wrpll")
self.interrupt_devices.append("wrpll")
self.config["HAS_SI549"] = None
self.config["WRPLL_REF_CLK"] = "SMA_CLKIN"
else:
if platform.hw_rev == "v2.0":
self.submodules += SMAClkinForward(self.platform)
self.config["HAS_SI5324"] = None
self.config["SI5324_SOFT_RESET"] = None
self.config["RTIO_FREQUENCY"] = str(rtio_clk_freq/1e6)
drtio_data_pads = []
@ -624,7 +660,10 @@ class GenericStandalone(StandaloneBase):
if hw_rev is None:
hw_rev = description["hw_rev"]
self.class_name_override = description["variant"]
StandaloneBase.__init__(self, hw_rev=hw_rev, **kwargs)
StandaloneBase.__init__(self,
hw_rev=hw_rev,
with_wrpll=description["enable_wrpll"],
**kwargs)
self.config["RTIO_FREQUENCY"] = "{:.1f}".format(description["rtio_frequency"]/1e6)
if "ext_ref_frequency" in description:
self.config["SI5324_EXT_REF"] = None
@ -679,6 +718,7 @@ class GenericMaster(MasterBase):
rtio_clk_freq=description["rtio_frequency"],
enable_sata=description["enable_sata_drtio"],
enable_sys5x=has_drtio_over_eem,
with_wrpll=description["enable_wrpll"],
**kwargs)
if "ext_ref_frequency" in description:
self.config["SI5324_EXT_REF"] = None