################################################################################
# IO constraints
################################################################################
# serial:0.tx
set_property LOC D10 [get_ports serial_tx]
set_property IOSTANDARD LVCMOS33 [get_ports serial_tx]

# serial:0.rx
set_property LOC A9 [get_ports serial_rx]
set_property IOSTANDARD LVCMOS33 [get_ports serial_rx]

# cpu_reset:0
set_property LOC C2 [get_ports cpu_reset]
set_property IOSTANDARD LVCMOS33 [get_ports cpu_reset]

# clk100:0
set_property LOC E3 [get_ports clk100]
set_property IOSTANDARD LVCMOS33 [get_ports clk100]

# led[0]
set_property LOC H5 [get_ports led[0]]
set_property IOSTANDARD LVCMOS33 [get_ports led[0]]

# led[1]
set_property LOC J5 [get_ports led[1]]
set_property IOSTANDARD LVCMOS33 [get_ports led[1]]

# led[2]
set_property LOC T9 [get_ports led[2]]
set_property IOSTANDARD LVCMOS33 [get_ports led[2]]

# led[3]
set_property LOC T10 [get_ports led[3]]
set_property IOSTANDARD LVCMOS33 [get_ports led[3]]

# ddram:0.a
set_property LOC R2 [get_ports ddram_a[0]]
set_property SLEW FAST [get_ports ddram_a[0]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[0]]

# ddram:0.a
set_property LOC M6 [get_ports ddram_a[1]]
set_property SLEW FAST [get_ports ddram_a[1]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[1]]

# ddram:0.a
set_property LOC N4 [get_ports ddram_a[2]]
set_property SLEW FAST [get_ports ddram_a[2]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[2]]

# ddram:0.a
set_property LOC T1 [get_ports ddram_a[3]]
set_property SLEW FAST [get_ports ddram_a[3]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[3]]

# ddram:0.a
set_property LOC N6 [get_ports ddram_a[4]]
set_property SLEW FAST [get_ports ddram_a[4]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[4]]

# ddram:0.a
set_property LOC R7 [get_ports ddram_a[5]]
set_property SLEW FAST [get_ports ddram_a[5]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[5]]

# ddram:0.a
set_property LOC V6 [get_ports ddram_a[6]]
set_property SLEW FAST [get_ports ddram_a[6]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[6]]

# ddram:0.a
set_property LOC U7 [get_ports ddram_a[7]]
set_property SLEW FAST [get_ports ddram_a[7]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[7]]

# ddram:0.a
set_property LOC R8 [get_ports ddram_a[8]]
set_property SLEW FAST [get_ports ddram_a[8]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[8]]

# ddram:0.a
set_property LOC V7 [get_ports ddram_a[9]]
set_property SLEW FAST [get_ports ddram_a[9]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[9]]

# ddram:0.a
set_property LOC R6 [get_ports ddram_a[10]]
set_property SLEW FAST [get_ports ddram_a[10]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[10]]

# ddram:0.a
set_property LOC U6 [get_ports ddram_a[11]]
set_property SLEW FAST [get_ports ddram_a[11]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[11]]

# ddram:0.a
set_property LOC T6 [get_ports ddram_a[12]]
set_property SLEW FAST [get_ports ddram_a[12]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[12]]

# ddram:0.a
set_property LOC T8 [get_ports ddram_a[13]]
set_property SLEW FAST [get_ports ddram_a[13]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[13]]

# ddram:0.ba
set_property LOC R1 [get_ports ddram_ba[0]]
set_property SLEW FAST [get_ports ddram_ba[0]]
set_property IOSTANDARD SSTL135 [get_ports ddram_ba[0]]

# ddram:0.ba
set_property LOC P4 [get_ports ddram_ba[1]]
set_property SLEW FAST [get_ports ddram_ba[1]]
set_property IOSTANDARD SSTL135 [get_ports ddram_ba[1]]

# ddram:0.ba
set_property LOC P2 [get_ports ddram_ba[2]]
set_property SLEW FAST [get_ports ddram_ba[2]]
set_property IOSTANDARD SSTL135 [get_ports ddram_ba[2]]

# ddram:0.ras_n
set_property LOC P3 [get_ports ddram_ras_n]
set_property SLEW FAST [get_ports ddram_ras_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_ras_n]

# ddram:0.cas_n
set_property LOC M4 [get_ports ddram_cas_n]
set_property SLEW FAST [get_ports ddram_cas_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_cas_n]

# ddram:0.we_n
set_property LOC P5 [get_ports ddram_we_n]
set_property SLEW FAST [get_ports ddram_we_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_we_n]

# ddram:0.cs_n
set_property LOC U8 [get_ports ddram_cs_n]
set_property SLEW FAST [get_ports ddram_cs_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_cs_n]

# ddram:0.dm
set_property LOC L1 [get_ports ddram_dm[0]]
set_property SLEW FAST [get_ports ddram_dm[0]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dm[0]]

# ddram:0.dm
set_property LOC U1 [get_ports ddram_dm[1]]
set_property SLEW FAST [get_ports ddram_dm[1]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dm[1]]

# ddram:0.dq
set_property LOC K5 [get_ports ddram_dq[0]]
set_property SLEW FAST [get_ports ddram_dq[0]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[0]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[0]]

# ddram:0.dq
set_property LOC L3 [get_ports ddram_dq[1]]
set_property SLEW FAST [get_ports ddram_dq[1]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[1]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[1]]

# ddram:0.dq
set_property LOC K3 [get_ports ddram_dq[2]]
set_property SLEW FAST [get_ports ddram_dq[2]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[2]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[2]]

# ddram:0.dq
set_property LOC L6 [get_ports ddram_dq[3]]
set_property SLEW FAST [get_ports ddram_dq[3]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[3]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[3]]

# ddram:0.dq
set_property LOC M3 [get_ports ddram_dq[4]]
set_property SLEW FAST [get_ports ddram_dq[4]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[4]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[4]]

# ddram:0.dq
set_property LOC M1 [get_ports ddram_dq[5]]
set_property SLEW FAST [get_ports ddram_dq[5]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[5]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[5]]

# ddram:0.dq
set_property LOC L4 [get_ports ddram_dq[6]]
set_property SLEW FAST [get_ports ddram_dq[6]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[6]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[6]]

# ddram:0.dq
set_property LOC M2 [get_ports ddram_dq[7]]
set_property SLEW FAST [get_ports ddram_dq[7]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[7]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[7]]

# ddram:0.dq
set_property LOC V4 [get_ports ddram_dq[8]]
set_property SLEW FAST [get_ports ddram_dq[8]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[8]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[8]]

# ddram:0.dq
set_property LOC T5 [get_ports ddram_dq[9]]
set_property SLEW FAST [get_ports ddram_dq[9]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[9]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[9]]

# ddram:0.dq
set_property LOC U4 [get_ports ddram_dq[10]]
set_property SLEW FAST [get_ports ddram_dq[10]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[10]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[10]]

# ddram:0.dq
set_property LOC V5 [get_ports ddram_dq[11]]
set_property SLEW FAST [get_ports ddram_dq[11]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[11]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[11]]

# ddram:0.dq
set_property LOC V1 [get_ports ddram_dq[12]]
set_property SLEW FAST [get_ports ddram_dq[12]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[12]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[12]]

# ddram:0.dq
set_property LOC T3 [get_ports ddram_dq[13]]
set_property SLEW FAST [get_ports ddram_dq[13]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[13]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[13]]

# ddram:0.dq
set_property LOC U3 [get_ports ddram_dq[14]]
set_property SLEW FAST [get_ports ddram_dq[14]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[14]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[14]]

# ddram:0.dq
set_property LOC R3 [get_ports ddram_dq[15]]
set_property SLEW FAST [get_ports ddram_dq[15]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[15]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[15]]

# ddram:0.dqs_p
set_property LOC N2 [get_ports ddram_dqs_p[0]]
set_property SLEW FAST [get_ports ddram_dqs_p[0]]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_dqs_p[0]]

# ddram:0.dqs_p
set_property LOC U2 [get_ports ddram_dqs_p[1]]
set_property SLEW FAST [get_ports ddram_dqs_p[1]]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_dqs_p[1]]

# ddram:0.dqs_n
set_property LOC N1 [get_ports ddram_dqs_n[0]]
set_property SLEW FAST [get_ports ddram_dqs_n[0]]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_dqs_n[0]]

# ddram:0.dqs_n
set_property LOC V2 [get_ports ddram_dqs_n[1]]
set_property SLEW FAST [get_ports ddram_dqs_n[1]]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_dqs_n[1]]

# ddram:0.clk_p
set_property LOC U9 [get_ports ddram_clk_p]
set_property SLEW FAST [get_ports ddram_clk_p]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_clk_p]

# ddram:0.clk_n
set_property LOC V9 [get_ports ddram_clk_n]
set_property SLEW FAST [get_ports ddram_clk_n]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_clk_n]

# ddram:0.cke
set_property LOC N5 [get_ports ddram_cke]
set_property SLEW FAST [get_ports ddram_cke]
set_property IOSTANDARD SSTL135 [get_ports ddram_cke]

# ddram:0.odt
set_property LOC R5 [get_ports ddram_odt]
set_property SLEW FAST [get_ports ddram_odt]
set_property IOSTANDARD SSTL135 [get_ports ddram_odt]

# ddram:0.reset_n
set_property LOC K6 [get_ports ddram_reset_n]
set_property SLEW FAST [get_ports ddram_reset_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_reset_n]

################################################################################
# Design constraints
################################################################################

set_property INTERNAL_VREF 0.675 [get_iobanks 34]

################################################################################
# Clock constraints
################################################################################


create_clock -name clk100 -period 10.0 [get_nets clk100]

################################################################################
# False path constraints
################################################################################


set_false_path -quiet -to [get_nets -quiet -filter {mr_ff == TRUE}]

set_false_path -quiet -to [get_pins -quiet -filter {REF_PIN_NAME == PRE} -of [get_cells -quiet -filter {ars_ff1 == TRUE || ars_ff2 == TRUE}]]

set_max_delay 2 -quiet -from [get_pins -quiet -filter {REF_PIN_NAME == Q} -of [get_cells -quiet -filter {ars_ff1 == TRUE}]] -to [get_pins -quiet -filter {REF_PIN_NAME == D} -of [get_cells -quiet -filter {ars_ff2 == TRUE}]]