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soc/cores/clock/ECP5PLL: add basic phase support

This commit is contained in:
Florent Kermarrec 2018-12-28 15:03:05 +01:00
parent a7b5b9d212
commit 9c801fbe50
1 changed files with 2 additions and 3 deletions
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5
litex/soc/cores/clock.py
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@ -206,7 +206,7 @@ class S7IDELAYCTRL(Module):
# Lattice # Lattice
# TODO: # TODO:
# - add phase shift support # - add proper phase support.
class ECP5PLL(Module): class ECP5PLL(Module):
nclkouts_max = 3 nclkouts_max = 3
@ -241,7 +241,6 @@ class ECP5PLL(Module):
(clko_freq_min, clko_freq_max) = self.clko_freq_range (clko_freq_min, clko_freq_max) = self.clko_freq_range
assert freq >= clko_freq_min assert freq >= clko_freq_min
assert freq <= clko_freq_max assert freq <= clko_freq_max
assert phase == 0
assert self.nclkouts < self.nclkouts_max assert self.nclkouts < self.nclkouts_max
clkout = Signal() clkout = Signal()
self.clkouts[self.nclkouts] = (clkout, freq, phase, margin) self.clkouts[self.nclkouts] = (clkout, freq, phase, margin)
@ -301,6 +300,6 @@ class ECP5PLL(Module):
self.params["p_CLKO{}_ENABLE".format(n_to_l[n])] = "ENABLED" self.params["p_CLKO{}_ENABLE".format(n_to_l[n])] = "ENABLED"
self.params["p_CLKO{}_DIV".format(n_to_l[n])] = config["clko{}_div".format(n)] self.params["p_CLKO{}_DIV".format(n_to_l[n])] = config["clko{}_div".format(n)]
self.params["p_CLKO{}_FPHASE".format(n_to_l[n])] = 0 self.params["p_CLKO{}_FPHASE".format(n_to_l[n])] = 0
self.params["p_CLKO{}_CPHASE".format(n_to_l[n])] = 0 self.params["p_CLKO{}_CPHASE".format(n_to_l[n])] = p
self.params["o_CLKO{}".format(n_to_l[n])] = clk self.params["o_CLKO{}".format(n_to_l[n])] = clk
self.specials += Instance("EHXPLLL", **self.params) self.specials += Instance("EHXPLLL", **self.params)