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downconn GW: rename to gt_refclk

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morgan 2025-01-23 10:39:36 +08:00
parent 4a83108637
commit f0fcd0876b
1 changed files with 4 additions and 4 deletions
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8
src/gateware/cxp_downconn.py
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@ -13,7 +13,7 @@ from functools import reduce
from operator import add from operator import add
class CXP_RXPHYs(Module, AutoCSR): class CXP_RXPHYs(Module, AutoCSR):
def __init__(self, refclk, pads, sys_clk_freq, master): def __init__(self, gt_refclk, pads, sys_clk_freq, master):
self.qpll_reset = CSR() self.qpll_reset = CSR()
self.qpll_locked = CSRStatus() self.qpll_locked = CSRStatus()
self.gtx_start_init = CSRStorage() self.gtx_start_init = CSRStorage()
@ -23,7 +23,7 @@ class CXP_RXPHYs(Module, AutoCSR):
# # # # # #
# For speed higher than 6.6Gbps, QPLL need to be used instead of CPLL - DS191 (v1.18.1) Table 9.1 # For speed higher than 6.6Gbps, QPLL need to be used instead of CPLL - DS191 (v1.18.1) Table 9.1
self.submodules.qpll = qpll = QPLL(refclk, sys_clk_freq) self.submodules.qpll = qpll = QPLL(gt_refclk, sys_clk_freq)
self.sync += [ self.sync += [
qpll.reset.eq(self.qpll_reset.re), qpll.reset.eq(self.qpll_reset.re),
self.qpll_locked.status.eq(qpll.lock), self.qpll_locked.status.eq(qpll.lock),
@ -70,7 +70,7 @@ class Receiver(Module):
] ]
class QPLL(Module, AutoCSR): class QPLL(Module, AutoCSR):
def __init__(self, refclk, sys_clk_freq): def __init__(self, gt_refclk, sys_clk_freq):
self.clk = Signal() self.clk = Signal()
self.refclk = Signal() self.refclk = Signal()
self.lock = Signal() self.lock = Signal()
@ -101,7 +101,7 @@ class QPLL(Module, AutoCSR):
self.specials += [ self.specials += [
Instance("GTXE2_COMMON", Instance("GTXE2_COMMON",
i_QPLLREFCLKSEL=0b001, i_QPLLREFCLKSEL=0b001,
i_GTREFCLK0=refclk, i_GTREFCLK0=gt_refclk,
i_QPLLPD=0, i_QPLLPD=0,
i_QPLLRESET=self.reset, i_QPLLRESET=self.reset,