Clocking scheme redesign
IDT has a new clock crossbar that would better serve AFC: https://www.idt.com/products/clocks-timing/clock-distribution/fanout-buffers-dividers-and-multiplexers/8v54816-16-port-bi-directional-m-lvds-clock-cross-point-switch
This could substitute ADN4604 with improvements. Greg, Tom Wlodkowski and the LNLS team discussed to reach the following setup:
tclka
tclkb
tclkc
tclkd
wr clock
fmc1 clk2 bidir
fmc1 clk3 bidir
fmc2 clk2 bidir
fmc2 clk3 bidir
RTM
fpga clock
fmc1 clk1 m2c
fmc1 clk0 m2c
MGT113 (FP2/AMC P2P)
MGT116 (FMC1 and RTM)
MGT213 (FMC2 and RTM)