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eem: name the servo submodule 

This allows the migen namer to derive names for the ADC return clock
domain in the case of multiple SUServos

close #1201

Signed-off-by: Robert Jördens <rj@quartiq.de>
This commit is contained in:
Robert Jördens 2018-12-11 10:34:01 +00:00
parent e4ddfb303c
commit b1ea02ddf0
1 changed files with 4 additions and 1 deletions
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5
artiq/gateware/eem.py
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@ -493,6 +493,7 @@ class SUServo(_EEM):
sampler_pads = servo_pads.SamplerPads(target.platform, eem_sampler)
urukul_pads = servo_pads.UrukulPads(
target.platform, eem_urukul0, eem_urukul1)
target.submodules += sampler_pads, urukul_pads
# timings in units of RTIO coarse period
adc_p = servo.ADCParams(width=16, channels=8, lanes=4, t_cnvh=4,
# account for SCK DDR to CONV latency
@ -505,7 +506,9 @@ class SUServo(_EEM):
channels=adc_p.channels, clk=clk)
su = servo.Servo(sampler_pads, urukul_pads, adc_p, iir_p, dds_p)
su = ClockDomainsRenamer("rio_phy")(su)
target.submodules += sampler_pads, urukul_pads, su
# explicitly name the servo submodule to enable the migen namer to derive
# a name for the adc return clock domain
setattr(target.submodules, "suservo_eem{}".format(eems_sampler[0]), su)
ctrls = [rtservo.RTServoCtrl(ctrl) for ctrl in su.iir.ctrl]
target.submodules += ctrls