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cn0506_rgmii: Fix no clock defined warnings 

This commit fixes the critical warning regarding the missing clock
definitions.
- Defined MDC(MDIO) clocks
- Set false path on(to) the ps8 MDIO input pins. There are synchronization
stages in the GMII to RGMII converter for the CDC between the 375M refclk
and 2.5M MDC clock domains.
main
AndreiGrozav 2020-02-05 08:50:28 +02:00 committed by AndreiGrozav
parent 6d91e2e54f
commit 2bca2e156c
1 changed files with 6 additions and 0 deletions
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projects/cn0506_rgmii/zcu102/system_constr.xdc
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@ -61,3 +61,9 @@ set_property UNAVAILABLE_DURING_CALIBRATION TRUE [get_ports rgmii_txd_b]
set_property UNAVAILABLE_DURING_CALIBRATION TRUE [get_ports link_st_b]
create_clock -period 400.000 -name mdio_clk_a [get_pins i_system_wrapper/system_i/sys_ps8/inst/emio_enet0_mdio_mdc]
create_clock -period 400.000 -name mdio_clk_b [get_pins i_system_wrapper/system_i/sys_ps8/inst/emio_enet1_mdio_mdc]
set_false_path -setup -to [get_pins i_system_wrapper/system_i/sys_ps8/inst/PS8_i/EMIOENET0MDIOI]
set_false_path -setup -to [get_pins i_system_wrapper/system_i/sys_ps8/inst/PS8_i/EMIOENET1MDIOI]