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sayma: clock DRTIO master transceiver from HMC7043

This commit is contained in:
Sebastien Bourdeauducq 2018-06-21 22:34:44 +08:00
parent de7d64d482
commit 8b3c12e6eb
1 changed files with 1 additions and 12 deletions
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13
artiq/gateware/targets/sayma_amc.py
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@ -236,23 +236,12 @@ class Master(MiniSoC, AMPSoC, RTMCommon):
platform = self.platform
rtio_clk_freq = 150e6
# Si5324 used as a free-running oscillator, to avoid dependency on RTM.
self.submodules.si5324_rst_n = gpio.GPIOOut(platform.request("si5324").rst_n)
self.csr_devices.append("si5324_rst_n")
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_AS_SYNTHESIZER"] = None
self.config["RTIO_FREQUENCY"] = str(rtio_clk_freq/1e6)
self.comb += [
platform.request("sfp_tx_disable", i).eq(0)
for i in range(2)
]
self.submodules.drtio_transceiver = gth_ultrascale.GTH(
clock_pads=platform.request("si5324_clkout"),
clock_pads=platform.request("dac_refclk", 0),
data_pads=[platform.request("sfp", i) for i in range(2)],
sys_clk_freq=self.clk_freq,
rtio_clk_freq=rtio_clk_freq)