Subversion Repositories pcie_sg_dma

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## Project    : Virtex-6 Integrated Block for PCI Express

## File       : xilinx_pcie_2_0_ep_v6_04_lane_gen1_xc6vlx240t-ff1156-1_ML605.ucf

#

###############################################################################

# Define Device, Package And Speed Grade

###############################################################################

CONFIG PART = xc6vlx240t-ff1156-1;

###############################################################################

# Pinout and Related I/O Constraints

###############################################################################

#

# SYS reset (input) signal.  The sys_reset_n signal should be

# obtained from the PCI Express interface if possible.  For

# slot based form factors, a system reset signal is usually

# present on the connector.  For cable based form factors, a

# system reset signal may not be available.  In this case, the

# system reset signal must be generated locally by some form of

# supervisory circuit.  You may change the IOSTANDARD and LOC

# to suit your requirements and VCCO voltage banking rules.

#

NET "sys_reset_n" TIG;

NET "sys_reset_n" LOC = AE13 | IOSTANDARD = LVCMOS25 | PULLUP | NODELAY ;

#

#

# SYS clock 100 MHz (input) signal. The sys_clk_p and sys_clk_n

# signals are the PCI Express reference clock. Virtex-6 GT

# Transceiver architecture requires the use of a dedicated clock

# resources (FPGA input pins) associated with each GT Transceiver.

# To use these pins an IBUFDS primitive (refclk_ibuf) is

# instantiated in user's design.

# Please refer to the Virtex-6 GT Transceiver User Guide

# (UG) for guidelines regarding clock resource selection.

#

#NET "sys_clk_n" LOC = P6;

#NET "sys_clk_p" LOC = P5;

INST "refclk_ibuf" LOC = IBUFDS_GTXE1_X0Y6;

#

# Transceiver instance placement.  This constraint selects the

# transceivers to be used, which also dictates the pinout for the

# transmit and receive differential pairs.  Please refer to the

# Virtex-6 GT Transceiver User Guide (UG) for more information.

#

# PCIe Lane 0

INST "make4Lanes.pcieCore/pcie_2_0_i/pcie_gt_i/gtx_v6_i/GTXD[0].GTX" LOC = GTXE1_X0Y15;

# PCIe Lane 1

INST "make4Lanes.pcieCore/pcie_2_0_i/pcie_gt_i/gtx_v6_i/GTXD[1].GTX" LOC = GTXE1_X0Y14;

# PCIe Lane 2

INST "make4Lanes.pcieCore/pcie_2_0_i/pcie_gt_i/gtx_v6_i/GTXD[2].GTX" LOC = GTXE1_X0Y13;

# PCIe Lane 3

INST "make4Lanes.pcieCore/pcie_2_0_i/pcie_gt_i/gtx_v6_i/GTXD[3].GTX" LOC = GTXE1_X0Y12;

#

# PCI Express Block placement. This constraint selects the PCI Express

# Block to be used.

#

INST "make4Lanes.pcieCore/pcie_2_0_i/pcie_block_i" LOC = PCIE_X0Y1;

# SIMONE aggiunti da v1.3 to v1.6

INST "make4Lanes.pcieCore/pcie_clocking_i/mmcm_adv_i" LOC = MMCM_ADV_X0Y7;

# SIMONE aggiunti da v1.3 to v1.6

###############################################################################

# Timing Constraints

###############################################################################

#

# Timing requirements and related constraints.

#

NET "sys_clk_c" TNM_NET = "SYSCLK" ;

NET "make4Lanes.pcieCore/pcie_clocking_i/clk_125" TNM_NET = "CLK_125" ;

TIMESPEC "TS_SYSCLK"  = PERIOD "SYSCLK" 100 MHz HIGH 50 % PRIORITY 100 ;

TIMESPEC "TS_CLK_125"  = PERIOD "CLK_125" TS_SYSCLK*1.25 HIGH 50 % PRIORITY 1 ;

PIN "make4Lanes.pcieCore/trn_reset_n_int_i.CLR" TIG ;

PIN "make4Lanes.pcieCore/trn_reset_n_i.CLR" TIG ;

PIN "make4Lanes.pcieCore/pcie_clocking_i/mmcm_adv_i.RST" TIG ;

###############################################################################

# Physical Constraints

###############################################################################

INST "make4Lanes.pcieCore/*" AREA_GROUP = "AG_core" ;

AREA_GROUP "AG_core" RANGE = SLICE_X136Y147:SLICE_X155Y120 ;

###############################################################################

# End

###############################################################################

#### Module LEDs_8Bit constraints

Net LEDs_IO_pin<0> LOC = AC22;

Net LEDs_IO_pin<1> LOC = AC24;

Net LEDs_IO_pin<2> LOC = AE22;

Net LEDs_IO_pin<3> LOC = AE23;

Net LEDs_IO_pin<4> LOC = AB23;

Net LEDs_IO_pin<5> LOC = AG23;

Net LEDs_IO_pin<6> LOC = AE24;

Net LEDs_IO_pin<7> LOC = AD24;

Net LEDs_IO_pin<*> IOSTANDARD=LVCMOS25;

NET "userclk_66MHz" PERIOD = 66.6 MHz HIGH 50%;

NET "userclk_66MHz" LOC = "U23";

NET "userclk_200MHz_n" LOC = "H9";

NET "userclk_200MHz_p" LOC = "J9";

NET "userclk_200MHz_p" PERIOD = 200 MHz HIGH 50%;

#### Module DIP_Switches constraints

#Net dummy_pin_in<0> LOC=D22;

#Net dummy_pin_in<1> LOC=C22;

#Net dummy_pin_in<2> LOC=L21;

##Net SWITCH_pin<3> LOC=L20;

##Net SWITCH_pin<4> LOC=C18;

##Net SWITCH_pin<5> LOC=B18;

##Net SWITCH_pin<6> LOC=K22;

##Net SWITCH_pin<7> LOC=K21;

#Net dummy_pin_in<*> IOSTANDARD = SSTL15;