moved usrp1 and usrp2 fpga dirs into fpga subdirectory

4 files changed, 1059 insertions, 0 deletions

diff --git a/fpga/usrp2/top/u2_rev2/.gitignore b/fpga/usrp2/top/u2_rev2/.gitignore
new file mode 100644
index 000000000..432f8fd58
--- /dev/null
+++ b/fpga/usrp2/top/u2_rev2/.gitignore
@@ -0,0 +1,57 @@
+/*.ptwx
+/*.xrpt
+/*.zip
+/*_xdb
+/templates
+/netgen
+/_ngo
+/_xmsgs
+/_pace.ucf
+/*.cmd
+/*.ibs
+/*.lfp
+/*.mfp
+/*.bit
+/*.bin
+/*.stx
+/*.par
+/*.unroutes
+/*.ntrc_log
+/*.ngr
+/*.mrp
+/*.html
+/*.lso
+/*.twr
+/*.bld
+/*.ncd
+/*.txt
+/*.cmd_log
+/*.drc
+/*.map
+/*.twr
+/*.xml
+/*.syr
+/*.ngm
+/*.xst
+/*.csv
+/*.html
+/*.lock
+/*.ncd
+/*.twx
+/*.ise_ISE_Backup
+/*.xml
+/*.ut
+/*.xpi
+/*.ngd
+/*.ncd
+/*.pad
+/*.bgn
+/*.ngc
+/*.pcf
+/*.ngd
+/xst
+/*.log
+/*.rpt
+/*.cel
+/*.restore
+/build
diff --git a/fpga/usrp2/top/u2_rev2/Makefile b/fpga/usrp2/top/u2_rev2/Makefile
new file mode 100644
index 000000000..275c24b02
--- /dev/null
+++ b/fpga/usrp2/top/u2_rev2/Makefile
@@ -0,0 +1,248 @@
+#
+# Copyright 2008 Ettus Research LLC
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+# 
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+# 
+
+##################################################
+# xtclsh Shell and tcl Script Path
+##################################################
+#XTCLSH := /opt/Xilinx/10.1/ISE/bin/lin/xtclsh
+XTCLSH := xtclsh
+ISE_HELPER := ../tcl/ise_helper.tcl
+
+##################################################
+# Project Setup
+##################################################
+BUILD_DIR := build/
+export TOP_MODULE := u2_rev2
+export PROJ_FILE := $(BUILD_DIR)$(TOP_MODULE).ise
+
+##################################################
+# Project Properties
+##################################################
+export PROJECT_PROPERTIES := \
+family Spartan3 \
+device xc3s2000 \
+package fg456 \
+speed -5 \
+top_level_module_type "HDL" \
+synthesis_tool "XST (VHDL/Verilog)" \
+simulator "ISE Simulator (VHDL/Verilog)" \
+"Preferred Language" "Verilog" \
+"Enable Message Filtering" FALSE \
+"Display Incremental Messages" FALSE 
+
+##################################################
+# Sources
+##################################################
+export SOURCE_ROOT := ../../../
+export SOURCES := \
+control_lib/CRC16_D16.v \
+control_lib/atr_controller.v \
+control_lib/bin2gray.v \
+control_lib/buffer_int.v \
+control_lib/buffer_pool.v \
+control_lib/cascadefifo2.v \
+control_lib/dcache.v \
+control_lib/decoder_3_8.v \
+control_lib/dpram32.v \
+control_lib/fifo_2clock.v \
+control_lib/fifo_2clock_casc.v \
+control_lib/gray2bin.v \
+control_lib/gray_send.v \
+control_lib/icache.v \
+control_lib/longfifo.v \
+control_lib/mux4.v \
+control_lib/mux8.v \
+control_lib/nsgpio.v \
+control_lib/ram_2port.v \
+control_lib/ram_harv_cache.v \
+control_lib/ram_loader.v \
+control_lib/setting_reg.v \
+control_lib/settings_bus.v \
+control_lib/shortfifo.v \
+control_lib/medfifo.v \
+control_lib/srl.v \
+control_lib/system_control.v \
+control_lib/wb_1master.v \
+control_lib/wb_readback_mux.v \
+control_lib/simple_uart.v \
+control_lib/simple_uart_tx.v \
+control_lib/simple_uart_rx.v \
+control_lib/oneshot_2clk.v \
+control_lib/sd_spi.v \
+control_lib/sd_spi_wb.v \
+control_lib/wb_bridge_16_32.v \
+coregen/fifo_xlnx_2Kx36_2clk.v \
+coregen/fifo_xlnx_2Kx36_2clk.xco \
+coregen/fifo_xlnx_512x36_2clk.v \
+coregen/fifo_xlnx_512x36_2clk.xco \
+eth/mac_rxfifo_int.v \
+eth/mac_txfifo_int.v \
+eth/rtl/verilog/Clk_ctrl.v \
+eth/rtl/verilog/MAC_rx.v \
+eth/rtl/verilog/MAC_rx/Broadcast_filter.v \
+eth/rtl/verilog/MAC_rx/CRC_chk.v \
+eth/rtl/verilog/MAC_rx/MAC_rx_FF.v \
+eth/rtl/verilog/MAC_rx/MAC_rx_add_chk.v \
+eth/rtl/verilog/MAC_rx/MAC_rx_ctrl.v \
+eth/rtl/verilog/MAC_top.v \
+eth/rtl/verilog/MAC_tx.v \
+eth/rtl/verilog/MAC_tx/CRC_gen.v \
+eth/rtl/verilog/MAC_tx/MAC_tx_FF.v \
+eth/rtl/verilog/MAC_tx/MAC_tx_addr_add.v \
+eth/rtl/verilog/MAC_tx/MAC_tx_ctrl.v \
+eth/rtl/verilog/MAC_tx/Random_gen.v \
+eth/rtl/verilog/Phy_int.v \
+eth/rtl/verilog/RMON.v \
+eth/rtl/verilog/RMON/RMON_addr_gen.v \
+eth/rtl/verilog/RMON/RMON_ctrl.v \
+eth/rtl/verilog/Reg_int.v \
+eth/rtl/verilog/eth_miim.v \
+eth/rtl/verilog/flow_ctrl_rx.v \
+eth/rtl/verilog/flow_ctrl_tx.v \
+eth/rtl/verilog/miim/eth_clockgen.v \
+eth/rtl/verilog/miim/eth_outputcontrol.v \
+eth/rtl/verilog/miim/eth_shiftreg.v \
+extram/wb_zbt16_b.v \
+opencores/8b10b/decode_8b10b.v \
+opencores/8b10b/encode_8b10b.v \
+opencores/aemb/rtl/verilog/aeMB_bpcu.v \
+opencores/aemb/rtl/verilog/aeMB_core_BE.v \
+opencores/aemb/rtl/verilog/aeMB_ctrl.v \
+opencores/aemb/rtl/verilog/aeMB_edk32.v \
+opencores/aemb/rtl/verilog/aeMB_ibuf.v \
+opencores/aemb/rtl/verilog/aeMB_regf.v \
+opencores/aemb/rtl/verilog/aeMB_xecu.v \
+opencores/i2c/rtl/verilog/i2c_master_bit_ctrl.v \
+opencores/i2c/rtl/verilog/i2c_master_byte_ctrl.v \
+opencores/i2c/rtl/verilog/i2c_master_defines.v \
+opencores/i2c/rtl/verilog/i2c_master_top.v \
+opencores/i2c/rtl/verilog/timescale.v \
+opencores/simple_pic/rtl/simple_pic.v \
+opencores/spi/rtl/verilog/spi_clgen.v \
+opencores/spi/rtl/verilog/spi_defines.v \
+opencores/spi/rtl/verilog/spi_shift.v \
+opencores/spi/rtl/verilog/spi_top.v \
+opencores/spi/rtl/verilog/timescale.v \
+sdr_lib/acc.v \
+sdr_lib/add2.v \
+sdr_lib/add2_and_round.v \
+sdr_lib/add2_and_round_reg.v \
+sdr_lib/add2_reg.v \
+sdr_lib/cic_dec_shifter.v \
+sdr_lib/cic_decim.v \
+sdr_lib/cic_int_shifter.v \
+sdr_lib/cic_interp.v \
+sdr_lib/cic_strober.v \
+sdr_lib/clip.v \
+sdr_lib/clip_reg.v \
+sdr_lib/cordic.v \
+sdr_lib/cordic_z24.v \
+sdr_lib/cordic_stage.v \
+sdr_lib/dsp_core_rx.v \
+sdr_lib/dsp_core_tx.v \
+sdr_lib/hb_dec.v \
+sdr_lib/hb_interp.v \
+sdr_lib/round.v \
+sdr_lib/round_reg.v \
+sdr_lib/rx_control.v \
+sdr_lib/rx_dcoffset.v \
+sdr_lib/sign_extend.v \
+sdr_lib/small_hb_dec.v \
+sdr_lib/small_hb_int.v \
+sdr_lib/tx_control.v \
+serdes/serdes.v \
+serdes/serdes_fc_rx.v \
+serdes/serdes_fc_tx.v \
+serdes/serdes_rx.v \
+serdes/serdes_tx.v \
+timing/time_receiver.v \
+timing/time_sender.v \
+timing/time_sync.v \
+timing/timer.v \
+top/u2_core/u2_core.v \
+top/u2_rev2/u2_rev2.ucf \
+top/u2_rev2/u2_rev2.v 
+
+##################################################
+# Process Properties
+##################################################
+export SYNTHESIZE_PROPERTIES := \
+"Number of Clock Buffers" 6 \
+"Pack I/O Registers into IOBs" Yes \
+"Optimization Effort" High \
+"Optimize Instantiated Primitives" TRUE \
+"Register Balancing" Yes \
+"Use Clock Enable" Auto \
+"Use Synchronous Reset" Auto \
+"Use Synchronous Set" Auto
+
+export TRANSLATE_PROPERTIES := \
+"Macro Search Path" "$(shell pwd)/../../coregen/"
+
+export MAP_PROPERTIES := \
+"Allow Logic Optimization Across Hierarchy" TRUE \
+"Map to Input Functions" 4 \
+"Optimization Strategy (Cover Mode)" Speed \
+"Pack I/O Registers/Latches into IOBs" "For Inputs and Outputs" \
+"Perform Timing-Driven Packing and Placement" TRUE \
+"Map Effort Level" High \
+"Extra Effort" Normal \
+"Combinatorial Logic Optimization" TRUE \
+"Register Duplication" TRUE
+
+export PLACE_ROUTE_PROPERTIES := \
+"Place & Route Effort Level (Overall)" High 
+
+export STATIC_TIMING_PROPERTIES := \
+"Number of Paths in Error/Verbose Report" 10 \
+"Report Type" "Error Report"
+
+export GEN_PROG_FILE_PROPERTIES := \
+"Configuration Rate" 6 \
+"Create Binary Configuration File" TRUE \
+"Done (Output Events)" 5 \
+"Enable Bitstream Compression" TRUE \
+"Enable Outputs (Output Events)" 6 
+
+export SIM_MODEL_PROPERTIES := ""
+
+##################################################
+# Make Options
+##################################################
+all:
+	@echo make proj, check, synth, bin, or clean
+
+proj:
+	PROCESS_RUN="" $(XTCLSH) $(ISE_HELPER)	
+
+check:
+	PROCESS_RUN="Check Syntax" $(XTCLSH) $(ISE_HELPER)	
+
+synth:
+	PROCESS_RUN="Synthesize - XST" $(XTCLSH) $(ISE_HELPER)	
+
+bin:
+	PROCESS_RUN="Generate Programming File" $(XTCLSH) $(ISE_HELPER)		
+
+clean:
+	rm -rf $(BUILD_DIR)
+
+
diff --git a/fpga/usrp2/top/u2_rev2/u2_rev2.ucf b/fpga/usrp2/top/u2_rev2/u2_rev2.ucf
new file mode 100644
index 000000000..e18dc6f17
--- /dev/null
+++ b/fpga/usrp2/top/u2_rev2/u2_rev2.ucf
@@ -0,0 +1,337 @@
+NET "leds[0]"  LOC = "F7"  ; 
+NET "leds[1]"  LOC = "E5"  ; 
+NET "leds[2]"  LOC = "B7"  ; 
+NET "leds[3]"  LOC = "C11"  ; 
+NET "leds[4]"  LOC = "AB19"  ;
+NET "debug[0]"  LOC = "N5"  ;
+NET "debug[1]"  LOC = "N6"  ;
+NET "debug[2]"  LOC = "P1"  ;
+NET "debug[3]"  LOC = "P2"  ;
+NET "debug[4]"  LOC = "P4"  ;
+NET "debug[5]"  LOC = "P5"  ;
+NET "debug[6]"  LOC = "R1"  ;
+NET "debug[7]"  LOC = "R2"  ;
+NET "debug[8]"  LOC = "P6"  ;
+NET "debug[9]"  LOC = "R5"  ;
+NET "debug[10]"  LOC = "R4"  ;
+NET "debug[11]"  LOC = "T3"  ;
+NET "debug[12]"  LOC = "U3"  ;
+NET "debug[13]"  LOC = "M2"  ;
+NET "debug[14]"  LOC = "M3"  ;
+NET "debug[15]"  LOC = "M4"  ;
+NET "debug[16]"  LOC = "M5"  ;
+NET "debug[17]"  LOC = "M6"  ;
+NET "debug[18]"  LOC = "N1"  ;
+NET "debug[19]"  LOC = "N2"  ;
+NET "debug[20]"  LOC = "N3"  ;
+NET "debug[21]"  LOC = "T1"  ;
+NET "debug[22]"  LOC = "T2"  ;
+NET "debug[23]"  LOC = "U2"  ;
+NET "debug[24]"  LOC = "T4"  ;
+NET "debug[25]"  LOC = "U4"  ;
+NET "debug[26]"  LOC = "T5"  ;
+NET "debug[27]"  LOC = "T6"  ;
+NET "debug[28]"  LOC = "U5"  ;
+NET "debug[29]"  LOC = "V5"  ;
+NET "debug[30]"  LOC = "W2"  ;
+NET "debug[31]"  LOC = "W3"  ;
+NET "debug_clk[0]"  LOC = "N4"  ;
+NET "debug_clk[1]"  LOC = "M1"  ;
+NET "uart_tx_o"  LOC = "C7"  ;
+NET "uart_rx_i"  LOC = "A3"  ;
+NET "exp_pps_in_p"  LOC = "V3"  ; 
+NET "exp_pps_in_n"  LOC = "V4"  ; 
+NET "exp_pps_out_p"  LOC = "V1"  ; 
+NET "exp_pps_out_n"  LOC = "V2"  ; 
+NET "GMII_COL"  LOC = "U16"  ; 
+NET "GMII_CRS"  LOC = "U17"  ; 
+NET "GMII_TXD[0]"  LOC = "W14"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "GMII_TXD[1]"  LOC = "AA20"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "GMII_TXD[2]"  LOC = "AB20"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "GMII_TXD[3]"  LOC = "Y18"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "GMII_TXD[4]"  LOC = "AA18"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "GMII_TXD[5]"  LOC = "AB18"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "GMII_TXD[6]"  LOC = "V17"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "GMII_TXD[7]"  LOC = "W17"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "GMII_TX_EN"  LOC = "Y17" |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ; 
+NET "GMII_TX_ER"  LOC = "V16" |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ; 
+NET "GMII_GTX_CLK"  LOC = "AA17" |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ; 
+NET "GMII_TX_CLK"  LOC = "W13"  ; 
+NET "GMII_RXD[0]"  LOC = "AA15"  ;
+NET "GMII_RXD[1]"  LOC = "AB15"  ;
+NET "GMII_RXD[2]"  LOC = "U14"  ;
+NET "GMII_RXD[3]"  LOC = "V14"  ;
+NET "GMII_RXD[4]"  LOC = "U13"  ;
+NET "GMII_RXD[5]"  LOC = "V13"  ;
+NET "GMII_RXD[6]"  LOC = "Y13"  ;
+NET "GMII_RXD[7]"  LOC = "AA13"  ;
+NET "GMII_RX_CLK"  LOC = "W16"  ; 
+NET "GMII_RX_DV"  LOC = "AB16"  ; 
+NET "GMII_RX_ER"  LOC = "AA16"  ; 
+NET "MDIO"  LOC = "Y16" |PULLUP ; 
+NET "MDC"  LOC = "V18"  ; 
+NET "PHY_INTn"  LOC = "AB13"  ; 
+NET "PHY_RESETn"  LOC = "AA19"  ; 
+NET "PHY_CLK"  LOC = "V15"  ; 
+NET "RAM_D[0]"  LOC = "N20"  ;
+NET "RAM_D[1]"  LOC = "N21"  ;
+NET "RAM_D[2]"  LOC = "N22"  ;
+NET "RAM_D[3]"  LOC = "M17"  ;
+NET "RAM_D[4]"  LOC = "M18"  ;
+NET "RAM_D[5]"  LOC = "M19"  ;
+NET "RAM_D[6]"  LOC = "M20"  ;
+NET "RAM_D[7]"  LOC = "M21"  ;
+NET "RAM_D[8]"  LOC = "M22"  ;
+NET "RAM_D[9]"  LOC = "Y22"  ;
+NET "RAM_D[10]"  LOC = "Y21"  ;
+NET "RAM_D[11]"  LOC = "Y20"  ;
+NET "RAM_D[12]"  LOC = "Y19"  ;
+NET "RAM_D[13]"  LOC = "W22"  ;
+NET "RAM_D[14]"  LOC = "W21"  ;
+NET "RAM_D[15]"  LOC = "W20"  ;
+NET "RAM_D[16]"  LOC = "W19"  ;
+NET "RAM_D[17]"  LOC = "V22"  ;
+NET "RAM_A[0]"  LOC = "U21"  ;
+NET "RAM_A[1]"  LOC = "T19"  ;
+NET "RAM_A[2]"  LOC = "V21"  ;
+NET "RAM_A[3]"  LOC = "V20"  ;
+NET "RAM_A[4]"  LOC = "T20"  ;
+NET "RAM_A[5]"  LOC = "T21"  ;
+NET "RAM_A[6]"  LOC = "T22"  ;
+NET "RAM_A[7]"  LOC = "T18"  ;
+NET "RAM_A[8]"  LOC = "R18"  ;
+NET "RAM_A[9]"  LOC = "P19"  ;
+NET "RAM_A[10]"  LOC = "P21"  ;
+NET "RAM_A[11]"  LOC = "P22"  ;
+NET "RAM_A[12]"  LOC = "N19"  ;
+NET "RAM_A[13]"  LOC = "N17"  ;
+NET "RAM_A[14]"  LOC = "N18"  ;
+NET "RAM_A[15]"  LOC = "T17"  ;
+NET "RAM_A[16]"  LOC = "U19"  ;
+NET "RAM_A[17]"  LOC = "U18"  ;
+NET "RAM_A[18]"  LOC = "V19"  ;
+NET "RAM_CE1n"  LOC = "U20"  ; 
+NET "RAM_CENn"  LOC = "P18"  ; 
+NET "RAM_CLK"  LOC = "P17"  ; 
+NET "RAM_WEn"  LOC = "R22"  ; 
+NET "RAM_OEn"  LOC = "R21"  ; 
+NET "RAM_LDn"  LOC = "R19"  ; 
+NET "ser_enable"  LOC = "W11"  ; 
+NET "ser_prbsen"  LOC = "AA3"  ; 
+NET "ser_loopen"  LOC = "Y4"  ; 
+NET "ser_rx_en"  LOC = "AB9"  ; 
+NET "ser_tx_clk"  LOC = "U7" |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ; 
+NET "ser_t[0]"  LOC = "V7"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[1]"  LOC = "V10"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[2]"  LOC = "AB4"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[3]"  LOC = "AA4"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[4]"  LOC = "Y5"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[5]"  LOC = "W5"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[6]"  LOC = "AB5"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[7]"  LOC = "AA5"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[8]"  LOC = "W6"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[9]"  LOC = "V6"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[10]"  LOC = "AA6"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[11]"  LOC = "Y6"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[12]"  LOC = "W8"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[13]"  LOC = "V8"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[14]"  LOC = "AB8"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_t[15]"  LOC = "AA8"  |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ;
+NET "ser_tklsb"  LOC = "U10" |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ; 
+NET "ser_tkmsb"  LOC = "U11" |IOSTANDARD = LVCMOS25  |DRIVE = 12  |SLEW = FAST ; 
+NET "ser_rx_clk"  LOC = "AA11"  ; 
+NET "ser_r[0]"  LOC = "AB10"  ;
+NET "ser_r[1]"  LOC = "AA10"  ;
+NET "ser_r[2]"  LOC = "U9"  ;
+NET "ser_r[3]"  LOC = "U6"  ;
+NET "ser_r[4]"  LOC = "AB11"  ;
+NET "ser_r[5]"  LOC = "Y7"  ;
+NET "ser_r[6]"  LOC = "W7"  ;
+NET "ser_r[7]"  LOC = "AB7"  ;
+NET "ser_r[8]"  LOC = "AA7"  ;
+NET "ser_r[9]"  LOC = "W9"  ;
+NET "ser_r[10]"  LOC = "W10"  ;
+NET "ser_r[11]"  LOC = "Y1"  ;
+NET "ser_r[12]"  LOC = "Y3"  ;
+NET "ser_r[13]"  LOC = "Y2"  ;
+NET "ser_r[14]"  LOC = "W4"  ;
+NET "ser_r[15]"  LOC = "W1"  ;
+NET "ser_rklsb"  LOC = "V9"  ;
+NET "ser_rkmsb"  LOC = "Y10"  ; 
+NET "cpld_start"  LOC = "AA9"  ; 
+NET "cpld_mode"  LOC = "U12"  ; 
+NET "cpld_done"  LOC = "V12"  ; 
+NET "cpld_din"  LOC = "AA14"  ; 
+NET "cpld_clk"  LOC = "AB14"  ; 
+NET "cpld_detached"  LOC = "V11"  ;
+NET "cpld_init_b"  LOC = "W12"  ;
+NET "cpld_misc"  LOC = "Y12"  ;
+NET "adc_a[0]"  LOC = "A14" | IOBDELAY= "NONE" ;
+NET "adc_a[1]"  LOC = "B14" | IOBDELAY= "NONE" ;
+NET "adc_a[2]"  LOC = "C13" | IOBDELAY= "NONE" ;
+NET "adc_a[3]"  LOC = "D13" | IOBDELAY= "NONE" ;
+NET "adc_a[4]"  LOC = "A13" | IOBDELAY= "NONE" ;
+NET "adc_a[5]"  LOC = "B13" | IOBDELAY= "NONE" ;
+NET "adc_a[6]"  LOC = "E12" | IOBDELAY= "NONE" ;
+NET "adc_a[7]"  LOC = "C22" | IOBDELAY= "NONE" ;
+NET "adc_a[8]"  LOC = "C20" | IOBDELAY= "NONE" ;
+NET "adc_a[9]"  LOC = "C21" | IOBDELAY= "NONE" ;
+NET "adc_a[10]"  LOC = "D20" | IOBDELAY= "NONE" ;
+NET "adc_a[11]"  LOC = "D19" | IOBDELAY= "NONE" ;
+NET "adc_a[12]"  LOC = "D21" | IOBDELAY= "NONE" ;
+NET "adc_a[13]"  LOC = "E18" | IOBDELAY= "NONE" ;
+NET "adc_ovf_a"  LOC = "F18"  ; 
+NET "adc_oen_a"  LOC = "E19"  ; 
+NET "adc_pdn_a"  LOC = "E20"  ; 
+NET "adc_b[0]"  LOC = "A12" | IOBDELAY= "NONE";
+NET "adc_b[1]"  LOC = "E16" | IOBDELAY= "NONE" ;
+NET "adc_b[2]"  LOC = "F12" | IOBDELAY= "NONE" ;
+NET "adc_b[3]"  LOC = "F13" | IOBDELAY= "NONE" ;
+NET "adc_b[4]"  LOC = "F16" | IOBDELAY= "NONE" ;
+NET "adc_b[5]"  LOC = "F17" | IOBDELAY= "NONE" ;
+NET "adc_b[6]"  LOC = "C19" | IOBDELAY= "NONE" ;
+NET "adc_b[7]"  LOC = "B20" | IOBDELAY= "NONE" ;
+NET "adc_b[8]"  LOC = "B19" | IOBDELAY= "NONE" ;
+NET "adc_b[9]"  LOC = "C18" | IOBDELAY= "NONE" ;
+NET "adc_b[10]"  LOC = "D18" | IOBDELAY= "NONE" ;
+NET "adc_b[11]"  LOC = "B18" | IOBDELAY= "NONE" ;
+NET "adc_b[12]"  LOC = "D17" | IOBDELAY= "NONE" ;
+NET "adc_b[13]"  LOC = "E17" | IOBDELAY= "NONE" ;
+NET "adc_ovf_b"  LOC = "B17"  ; 
+NET "adc_oen_b"  LOC = "C17"  ; 
+NET "adc_pdn_b"  LOC = "D15"  ; 
+NET "dac_a[0]"  LOC = "A5"  ;
+NET "dac_a[1]"  LOC = "B5"  ;
+NET "dac_a[2]"  LOC = "C5"  ;
+NET "dac_a[3]"  LOC = "D5"  ;
+NET "dac_a[4]"  LOC = "A4"  ;
+NET "dac_a[5]"  LOC = "B4"  ;
+NET "dac_a[6]"  LOC = "F6"  ;
+NET "dac_a[7]"  LOC = "D10"  ;
+NET "dac_a[8]"  LOC = "D9"  ;
+NET "dac_a[9]"  LOC = "A10"  ;
+NET "dac_a[10]"  LOC = "L2"  ;
+NET "dac_a[11]"  LOC = "L4"  ;
+NET "dac_a[12]"  LOC = "L3"  ;
+NET "dac_a[13]"  LOC = "L6"  ;
+NET "dac_a[14]"  LOC = "L5"  ;
+NET "dac_a[15]"  LOC = "K2"  ;
+NET "dac_b[0]"  LOC = "D11"  ;
+NET "dac_b[1]"  LOC = "E11"  ;
+NET "dac_b[2]"  LOC = "F11"  ;
+NET "dac_b[3]"  LOC = "B10"  ;
+NET "dac_b[4]"  LOC = "C10"  ;
+NET "dac_b[5]"  LOC = "E10"  ;
+NET "dac_b[6]"  LOC = "F10"  ;
+NET "dac_b[7]"  LOC = "A9"  ;
+NET "dac_b[8]"  LOC = "B9"  ;
+NET "dac_b[9]"  LOC = "E9"  ;
+NET "dac_b[10]"  LOC = "F9"  ;
+NET "dac_b[11]"  LOC = "A8"  ;
+NET "dac_b[12]"  LOC = "B8"  ;
+NET "dac_b[13]"  LOC = "D7"  ;
+NET "dac_b[14]"  LOC = "E7"  ;
+NET "dac_b[15]"  LOC = "B6"  ;
+NET "dac_lock"  LOC = "D6"  ;
+NET "SCL"  LOC = "A7"  ; 
+NET "SDA"  LOC = "D8"  ; 
+NET "clk_en[0]"  LOC = "C4"  ;
+NET "clk_en[1]"  LOC = "D1"  ;
+NET "clk_sel[0]"  LOC = "C3"  ;
+NET "clk_sel[1]"  LOC = "C2"  ;
+NET "clk_func"  LOC = "C12"  ; 
+NET "clk_status"  LOC = "B12"  ; 
+NET "clk_fpga_p"  LOC = "A11"  ; 
+NET "clk_fpga_n"  LOC = "B11"  ; 
+NET "clk_to_mac"  LOC = "AB12"  ; 
+NET "pps_in"  LOC = "Y11"  ; 
+NET "sclk"  LOC = "K5"  ; 
+NET "sen_clk"  LOC = "K6"  ; 
+NET "sen_dac"  LOC = "L1"  ; 
+NET "sdi"  LOC = "J1"  ; 
+NET "sdo"  LOC = "J2"  ; 
+NET "sen_tx_db"  LOC = "C1"  ; 
+NET "sclk_tx_db"  LOC = "D3"  ; 
+NET "sdo_tx_db"  LOC = "G3"  ; 
+NET "sdi_tx_db"  LOC = "G4"  ; 
+NET "sen_tx_adc"  LOC = "G2"  ; 
+NET "sclk_tx_adc"  LOC = "H1"  ; 
+NET "sdo_tx_adc"  LOC = "H2"  ; 
+NET "sdi_tx_adc"  LOC = "J4"  ; 
+NET "sen_tx_dac"  LOC = "H4"  ; 
+NET "sclk_tx_dac"  LOC = "J5"  ; 
+NET "sdi_tx_dac"  LOC = "J6"  ; 
+NET "io_tx[0]"  LOC = "K4"  ;
+NET "io_tx[1]"  LOC = "K3"  ;
+NET "io_tx[2]"  LOC = "G1"  ;
+NET "io_tx[3]"  LOC = "G5"  ;
+NET "io_tx[4]"  LOC = "H5"  ;
+NET "io_tx[5]"  LOC = "F3"  ;
+NET "io_tx[6]"  LOC = "F2"  ;
+NET "io_tx[7]"  LOC = "F5"  ;
+NET "io_tx[8]"  LOC = "G6"  ;
+NET "io_tx[9]"  LOC = "E2"  ;
+NET "io_tx[10]"  LOC = "E1"  ;
+NET "io_tx[11]"  LOC = "E3"  ;
+NET "io_tx[12]"  LOC = "F4"  ;
+NET "io_tx[13]"  LOC = "D2"  ;
+NET "io_tx[14]"  LOC = "D4"  ;
+NET "io_tx[15]"  LOC = "E4"  ;
+NET "sen_rx_db"  LOC = "D22"  ; 
+NET "sclk_rx_db"  LOC = "F19"  ; 
+NET "sdo_rx_db"  LOC = "G20"  ; 
+NET "sdi_rx_db"  LOC = "H19"  ; 
+NET "sen_rx_adc"  LOC = "H18"  ; 
+NET "sclk_rx_adc"  LOC = "J17"  ; 
+NET "sdo_rx_adc"  LOC = "H21"  ; 
+NET "sdi_rx_adc"  LOC = "H22"  ; 
+NET "sen_rx_dac"  LOC = "J18"  ; 
+NET "sclk_rx_dac"  LOC = "J19"  ; 
+NET "sdi_rx_dac"  LOC = "J21"  ; 
+NET "io_rx[0]"  LOC = "L21"  ;
+NET "io_rx[1]"  LOC = "L20"  ;
+NET "io_rx[2]"  LOC = "L19"  ;
+NET "io_rx[3]"  LOC = "L18"  ;
+NET "io_rx[4]"  LOC = "L17"  ;
+NET "io_rx[5]"  LOC = "K22"  ;
+NET "io_rx[6]"  LOC = "K21"  ;
+NET "io_rx[7]"  LOC = "K20"  ;
+NET "io_rx[8]"  LOC = "G22"  ;
+NET "io_rx[9]"  LOC = "G21"  ;
+NET "io_rx[10]"  LOC = "F21"  ;
+NET "io_rx[11]"  LOC = "F20"  ;
+NET "io_rx[12]"  LOC = "G19"  ;
+NET "io_rx[13]"  LOC = "G18"  ;
+NET "io_rx[14]"  LOC = "G17"  ;
+NET "io_rx[15]"  LOC = "E22"  ;
+
+NET "clk_to_mac" TNM_NET = "clk_to_mac";
+TIMESPEC "TS_clk_to_mac" = PERIOD "clk_to_mac" 8 ns HIGH 50 %;
+
+#NET "dsp_clk" TNM_NET = "dsp_clk";
+#TIMESPEC "TS_dsp_clk" = PERIOD "dsp_clk" 10 ns HIGH 50 %;
+
+NET "clk_fpga_p" TNM_NET = "clk_fpga_p";
+TIMESPEC "TS_clk_fpga_p" = PERIOD "clk_fpga_p" 10 ns HIGH 50 %;
+
+NET "cpld_clk" TNM_NET = "cpld_clk";
+TIMESPEC "TS_cpld_clk" = PERIOD "cpld_clk" 40 ns HIGH 50 %;
+
+NET "GMII_RX_CLK" TNM_NET = "GMII_RX_CLK";
+TIMESPEC "TS_GMII_RX_CLK" = PERIOD "GMII_RX_CLK" 8 ns HIGH 50 %;
+
+NET "ser_rx_clk" TNM_NET = "ser_rx_clk";
+TIMESPEC "TS_ser_rx_clk" = PERIOD "ser_rx_clk" 10 ns HIGH 50 %;
+
+#NET "wb_clk" TNM_NET = "wb_clk";
+#TIMESPEC "TS_wb_clk" = PERIOD "wb_clk" 20 ns HIGH 50 %;
+
+NET "GMII_RX_CLK" CLOCK_DEDICATED_ROUTE = FALSE; 
+NET "cpld_clk" CLOCK_DEDICATED_ROUTE = FALSE;
+
+#NET "adc_a<*>" TNM_NET = ADC_DATA_GRP;
+#NET "adc_b<*>" TNM_NET = ADC_DATA_GRP;
+#TIMEGRP "ADC_DATA_GRP" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING;
+
+#NET "adc_a<*>" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING;
+#NET "adc_b<*>" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING;
diff --git a/fpga/usrp2/top/u2_rev2/u2_rev2.v b/fpga/usrp2/top/u2_rev2/u2_rev2.v
new file mode 100644
index 000000000..517285e52
--- /dev/null
+++ b/fpga/usrp2/top/u2_rev2/u2_rev2.v
@@ -0,0 +1,417 @@
+`timescale 1ns / 1ps
+//////////////////////////////////////////////////////////////////////////////////
+
+module u2_rev2
+  (
+   // Misc, debug
+   output [4:0] leds,
+   output [31:0] debug,
+   output [1:0] debug_clk,
+   output uart_tx_o,
+   input uart_rx_i,
+   
+   // Expansion
+   input exp_pps_in_p, // Diff
+   input exp_pps_in_n, // Diff
+   output exp_pps_out_p, // Diff 
+   output exp_pps_out_n, // Diff 
+   
+   // GMII
+   //   GMII-CTRL
+   input GMII_COL,
+   input GMII_CRS,
+
+   //   GMII-TX
+   output reg [7:0] GMII_TXD,
+   output reg GMII_TX_EN,
+   output reg GMII_TX_ER,
+   output GMII_GTX_CLK,
+   input GMII_TX_CLK,  // 100mbps clk
+
+   //   GMII-RX
+   input [7:0] GMII_RXD,
+   input GMII_RX_CLK,
+   input GMII_RX_DV,
+   input GMII_RX_ER,
+
+   //   GMII-Management
+   inout MDIO,
+   output MDC,
+   input PHY_INTn,   // open drain
+   output PHY_RESETn,
+   input PHY_CLK,   // possibly use on-board osc
+
+   // RAM
+   inout [17:0] RAM_D,
+   output [18:0] RAM_A,
+   output RAM_CE1n,
+   output RAM_CENn,
+   output RAM_CLK,
+   output RAM_WEn,
+   output RAM_OEn,
+   output RAM_LDn,
+   
+   // SERDES
+   output ser_enable,
+   output ser_prbsen,
+   output ser_loopen,
+   output ser_rx_en,
+   
+   output ser_tx_clk,
+   output reg [15:0] ser_t,
+   output reg ser_tklsb,
+   output reg ser_tkmsb,
+
+   input ser_rx_clk,
+   input [15:0] ser_r,
+   input ser_rklsb,
+   input ser_rkmsb,
+   
+   // CPLD interface
+   output cpld_start,  // AA9
+   output cpld_mode,   // U12
+   output cpld_done,   // V12
+   input cpld_din,     // AA14 Now shared with CFG_Din
+   input cpld_clk,     // AB14 serial clock
+   input cpld_detached,// V11 unused
+   output cpld_init_b,  // W12 unused dual purpose
+   output cpld_misc,  // Y12 
+   
+   // ADC
+   input [13:0] adc_a,
+   input adc_ovf_a,
+   output adc_oen_a,
+   output adc_pdn_a,
+   
+   input [13:0] adc_b,
+   input adc_ovf_b,
+   output adc_oen_b,
+   output adc_pdn_b,
+   
+   // DAC
+   output reg [15:0] dac_a,
+   output reg [15:0] dac_b,
+   input dac_lock,     // unused for now
+   
+   // I2C
+   inout SCL,
+   inout SDA,
+
+   // Clock Gen Control
+   output [1:0] clk_en,
+   output [1:0] clk_sel,
+   input clk_func,        // FIXME is an input to control the 9510
+   input clk_status,
+
+   // Clocks
+   input clk_fpga_p,  // Diff
+   input clk_fpga_n,  // Diff
+   input clk_to_mac,
+   input pps_in,
+   
+   // Generic SPI
+   output sclk,
+   output sen_clk,
+   output sen_dac,
+   output sdi,
+   input sdo,
+   
+   // TX DBoard
+   output sen_tx_db,
+   output sclk_tx_db,
+   input sdo_tx_db,
+   output sdi_tx_db,
+
+   output sen_tx_adc,
+   output sclk_tx_adc,
+   input sdo_tx_adc,
+   output sdi_tx_adc,
+
+   output sen_tx_dac,
+   output sclk_tx_dac,
+   output sdi_tx_dac,
+
+   inout [15:0] io_tx,
+
+   // RX DBoard
+   output sen_rx_db,
+   output sclk_rx_db,
+   input sdo_rx_db,
+   output sdi_rx_db,
+
+   output sen_rx_adc,
+   output sclk_rx_adc,
+   input sdo_rx_adc,
+   output sdi_rx_adc,
+
+   output sen_rx_dac,
+   output sclk_rx_dac,
+   output sdi_rx_dac,
+   
+   inout [15:0] io_rx   
+   );
+
+   assign 	cpld_init_b = 0;
+   // FPGA-specific pins connections
+   wire 	clk_fpga, dsp_clk, clk_div, dcm_out, wb_clk, clock_ready;
+   wire 	clk90, clk180, clk270;
+
+   IBUFGDS clk_fpga_pin (.O(clk_fpga),.I(clk_fpga_p),.IB(clk_fpga_n));
+   defparam 	clk_fpga_pin.IOSTANDARD = "LVPECL_25";
+   
+   wire 	exp_pps_in;
+   IBUFDS exp_pps_in_pin (.O(exp_pps_in),.I(exp_pps_in_p),.IB(exp_pps_in_n));
+   defparam 	exp_pps_in_pin.IOSTANDARD = "LVDS_25";
+   
+   wire 	exp_pps_out;
+   OBUFDS exp_pps_out_pin (.O(exp_pps_out_p),.OB(exp_pps_out_n),.I(exp_pps_out));
+   defparam 	exp_pps_out_pin.IOSTANDARD = "LVDS_25";
+
+   reg [5:0] 	clock_ready_d;
+   always @(posedge clk_fpga)
+     clock_ready_d[5:0] <= {clock_ready_d[4:0],clock_ready};
+   wire 	dcm_rst = ~&clock_ready_d & |clock_ready_d;
+   
+   wire 	adc_on_a, adc_on_b, adc_oe_a, adc_oe_b;
+   assign 	adc_oen_a = ~adc_oe_a;
+   assign 	adc_oen_b = ~adc_oe_b;
+   assign 	adc_pdn_a = ~adc_on_a; 	
+   assign 	adc_pdn_b = ~adc_on_b; 	
+
+   reg [13:0] 	 adc_a_reg1, adc_b_reg1, adc_a_reg2, adc_b_reg2;
+   reg 		 adc_ovf_a_reg1, adc_ovf_a_reg2, adc_ovf_b_reg1, adc_ovf_b_reg2;
+
+   always @(posedge dsp_clk)
+     begin
+	adc_a_reg1 <= adc_a;
+	adc_b_reg1 <= adc_b;
+	adc_ovf_a_reg1 <= adc_ovf_a;
+	adc_ovf_b_reg1 <= adc_ovf_b;
+     end
+   
+   always @(posedge dsp_clk)
+     begin
+	adc_a_reg2 <= adc_a_reg1;
+	adc_b_reg2 <= adc_b_reg1;
+	adc_ovf_a_reg2 <= adc_ovf_a_reg1;
+	adc_ovf_b_reg2 <= adc_ovf_b_reg1;
+     end // always @ (posedge dsp_clk)
+
+   // Handle Clocks
+   DCM DCM_INST (.CLKFB(dsp_clk), 
+                 .CLKIN(clk_fpga), 
+                 .DSSEN(0), 
+                 .PSCLK(0), 
+                 .PSEN(0), 
+                 .PSINCDEC(0), 
+                 .RST(dcm_rst), 
+                 .CLKDV(clk_div), 
+                 .CLKFX(), 
+                 .CLKFX180(), 
+                 .CLK0(dcm_out), 
+                 .CLK2X(), 
+                 .CLK2X180(), 
+                 .CLK90(clk90), 
+                 .CLK180(clk180), 
+                 .CLK270(clk270), 
+                 .LOCKED(LOCKED_OUT), 
+                 .PSDONE(), 
+                 .STATUS());
+   defparam DCM_INST.CLK_FEEDBACK = "1X";
+   defparam DCM_INST.CLKDV_DIVIDE = 2.0;
+   defparam DCM_INST.CLKFX_DIVIDE = 1;
+   defparam DCM_INST.CLKFX_MULTIPLY = 4;
+   defparam DCM_INST.CLKIN_DIVIDE_BY_2 = "FALSE";
+   defparam DCM_INST.CLKIN_PERIOD = 10.000;
+   defparam DCM_INST.CLKOUT_PHASE_SHIFT = "NONE";
+   defparam DCM_INST.DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS";
+   defparam DCM_INST.DFS_FREQUENCY_MODE = "LOW";
+   defparam DCM_INST.DLL_FREQUENCY_MODE = "LOW";
+   defparam DCM_INST.DUTY_CYCLE_CORRECTION = "TRUE";
+   defparam DCM_INST.FACTORY_JF = 16'h8080;
+   defparam DCM_INST.PHASE_SHIFT = 0;
+   defparam DCM_INST.STARTUP_WAIT = "FALSE";
+
+   BUFG dspclk_BUFG (.I(dcm_out), .O(dsp_clk));
+   BUFG wbclk_BUFG (.I(clk_div), .O(wb_clk));
+
+   // I2C -- Don't use external transistors for open drain, the FPGA implements this
+   IOBUF scl_pin(.O(scl_pad_i), .IO(SCL), .I(scl_pad_o), .T(scl_pad_oen_o));
+   IOBUF sda_pin(.O(sda_pad_i), .IO(SDA), .I(sda_pad_o), .T(sda_pad_oen_o));
+
+   // LEDs are active low outputs
+   wire [4:0] leds_int;
+   assign     leds = 5'b01111 ^ leds_int;  // all except eth are active-low
+   
+   // SPI
+   wire 	miso, mosi, sclk_int;
+   assign 	{sclk,sdi} = (~sen_clk | ~sen_dac) ? {sclk_int,mosi} : 2'b0;
+   assign 	{sclk_tx_db,sdi_tx_db} = ~sen_tx_db ? {sclk_int,mosi} : 2'b0;
+   assign 	{sclk_tx_dac,sdi_tx_dac} = ~sen_tx_dac ? {sclk_int,mosi} : 2'b0;
+   assign 	{sclk_tx_adc,sdi_tx_adc} = ~sen_tx_adc ? {sclk_int,mosi} : 2'b0;
+   assign 	{sclk_rx_db,sdi_rx_db} = ~sen_rx_db ? {sclk_int,mosi} : 2'b0;
+   assign 	{sclk_rx_dac,sdi_rx_dac} = ~sen_rx_dac ? {sclk_int,mosi} : 2'b0;
+   assign 	{sclk_rx_adc,sdi_rx_adc} = ~sen_rx_adc ? {sclk_int,mosi} : 2'b0;
+   
+   assign 	miso = (~sen_clk & sdo) | (~sen_dac & sdo) | 
+		(~sen_tx_db & sdo_tx_db) | (~sen_tx_adc & sdo_tx_adc) |
+		(~sen_rx_db & sdo_rx_db) | (~sen_rx_adc & sdo_rx_adc);
+
+   wire 	GMII_TX_EN_unreg, GMII_TX_ER_unreg;
+   wire [7:0] 	GMII_TXD_unreg;
+   wire 	GMII_GTX_CLK_int;
+   
+   always @(posedge GMII_GTX_CLK_int)
+     begin
+	GMII_TX_EN <= GMII_TX_EN_unreg;
+	GMII_TX_ER <= GMII_TX_ER_unreg;
+	GMII_TXD <= GMII_TXD_unreg;
+     end
+
+   OFDDRRSE OFDDRRSE_gmii_inst 
+     (.Q(GMII_GTX_CLK),      // Data output (connect directly to top-level port)
+      .C0(GMII_GTX_CLK_int),    // 0 degree clock input
+      .C1(~GMII_GTX_CLK_int),    // 180 degree clock input
+      .CE(1),    // Clock enable input
+      .D0(0),    // Posedge data input
+      .D1(1),    // Negedge data input
+      .R(0),      // Synchronous reset input
+      .S(0)       // Synchronous preset input
+      );
+   
+   wire ser_tklsb_unreg, ser_tkmsb_unreg;
+   wire [15:0] ser_t_unreg;
+   wire        ser_tx_clk_int;
+   
+   always @(posedge ser_tx_clk_int)
+     begin
+	ser_tklsb <= ser_tklsb_unreg;
+	ser_tkmsb <= ser_tkmsb_unreg;
+	ser_t <= ser_t_unreg;
+     end
+
+   assign ser_tx_clk = clk_fpga;
+
+   reg [15:0] ser_r_int;
+   reg 	      ser_rklsb_int, ser_rkmsb_int;
+
+   always @(posedge ser_rx_clk)
+     begin
+	ser_r_int <= ser_r;
+	ser_rklsb_int <= ser_rklsb;
+	ser_rkmsb_int <= ser_rkmsb;
+     end
+
+   wire [15:0] dac_a_int, dac_b_int;
+   always @(negedge dsp_clk) dac_a <= dac_a_int;
+   always @(negedge dsp_clk) dac_b <= dac_b_int;
+
+   /*
+   OFDDRRSE OFDDRRSE_serdes_inst 
+     (.Q(ser_tx_clk),      // Data output (connect directly to top-level port)
+      .C0(ser_tx_clk_int),    // 0 degree clock input
+      .C1(~ser_tx_clk_int),    // 180 degree clock input
+      .CE(1),    // Clock enable input
+      .D0(0),    // Posedge data input
+      .D1(1),    // Negedge data input
+      .R(0),      // Synchronous reset input
+      .S(0)       // Synchronous preset input
+      );
+   */
+   u2_core #(.RAM_SIZE(32768))
+	u2_core(.dsp_clk           (dsp_clk),
+		     .wb_clk            (wb_clk),
+		     .clock_ready       (clock_ready),
+		     .clk_to_mac	(clk_to_mac),
+		     .pps_in		(pps_in),
+		     .leds		(leds_int),
+		     .debug		(debug[31:0]),
+		     .debug_clk		(debug_clk[1:0]),
+		     .exp_pps_in	(exp_pps_in),
+		     .exp_pps_out	(exp_pps_out),
+		     .GMII_COL		(GMII_COL),
+		     .GMII_CRS		(GMII_CRS),
+		     .GMII_TXD		(GMII_TXD_unreg[7:0]),
+		     .GMII_TX_EN	(GMII_TX_EN_unreg),
+		     .GMII_TX_ER	(GMII_TX_ER_unreg),
+		     .GMII_GTX_CLK	(GMII_GTX_CLK_int),
+		     .GMII_TX_CLK	(GMII_TX_CLK),
+		     .GMII_RXD		(GMII_RXD[7:0]),
+		     .GMII_RX_CLK	(GMII_RX_CLK),
+		     .GMII_RX_DV	(GMII_RX_DV),
+		     .GMII_RX_ER	(GMII_RX_ER),
+		     .MDIO		(MDIO),
+		     .MDC		(MDC),
+		     .PHY_INTn		(PHY_INTn),
+		     .PHY_RESETn	(PHY_RESETn),
+		     .ser_enable	(ser_enable),
+		     .ser_prbsen	(ser_prbsen),
+		     .ser_loopen	(ser_loopen),
+		     .ser_rx_en		(ser_rx_en),
+		     .ser_tx_clk	(ser_tx_clk_int),
+		     .ser_t		(ser_t_unreg[15:0]),
+		     .ser_tklsb		(ser_tklsb_unreg),
+		     .ser_tkmsb		(ser_tkmsb_unreg),
+		     .ser_rx_clk	(ser_rx_clk),
+		     .ser_r		(ser_r_int[15:0]),
+		     .ser_rklsb		(ser_rklsb_int),
+		     .ser_rkmsb		(ser_rkmsb_int),
+		     .cpld_start        (cpld_start),
+		     .cpld_mode         (cpld_mode),
+		     .cpld_done         (cpld_done),
+		     .cpld_din          (cpld_din),
+		     .cpld_clk          (cpld_clk),
+		     .cpld_detached     (cpld_detached),
+		     .cpld_misc         (cpld_misc),
+		     .cpld_init_b       (cpld_init_b),
+		     .por               (~POR),
+		     .config_success    (config_success),
+		     .adc_a		(adc_a_reg2),
+		     .adc_ovf_a		(adc_ovf_a_reg2),
+		     .adc_on_a		(adc_on_a),
+		     .adc_oe_a		(adc_oe_a),
+		     .adc_b		(adc_b_reg2),
+		     .adc_ovf_b		(adc_ovf_b_reg2),
+		     .adc_on_b		(adc_on_b),
+		     .adc_oe_b		(adc_oe_b),
+		     .dac_a		(dac_a_int),
+		     .dac_b		(dac_b_int),
+		     .scl_pad_i		(scl_pad_i),
+		     .scl_pad_o		(scl_pad_o),
+		     .scl_pad_oen_o	(scl_pad_oen_o),
+		     .sda_pad_i		(sda_pad_i),
+		     .sda_pad_o		(sda_pad_o),
+		     .sda_pad_oen_o	(sda_pad_oen_o),
+		     .clk_en		(clk_en[1:0]),
+		     .clk_sel		(clk_sel[1:0]),
+		     .clk_func		(clk_func),
+		     .clk_status	(clk_status),
+		     .sclk		(sclk_int),
+		     .mosi		(mosi),
+		     .miso		(miso),
+		     .sen_clk		(sen_clk),
+		     .sen_dac		(sen_dac),
+		     .sen_tx_db		(sen_tx_db),
+		     .sen_tx_adc	(sen_tx_adc),
+		     .sen_tx_dac	(sen_tx_dac),
+		     .sen_rx_db		(sen_rx_db),
+		     .sen_rx_adc	(sen_rx_adc),
+		     .sen_rx_dac	(sen_rx_dac),
+		     .io_tx		(io_tx[15:0]),
+		     .io_rx		(io_rx[15:0]),
+		     .RAM_D             (RAM_D),
+		     .RAM_A             (RAM_A),
+		     .RAM_CE1n          (RAM_CE1n),
+		     .RAM_CENn          (RAM_CENn),
+		     .RAM_CLK           (RAM_CLK),
+		     .RAM_WEn           (RAM_WEn),
+		     .RAM_OEn           (RAM_OEn),
+		     .RAM_LDn           (RAM_LDn), 
+		     .uart_tx_o         (uart_tx_o),
+		     .uart_rx_i         (uart_rx_i),
+		     .uart_baud_o       (),
+		     .sim_mode          (1'b0),
+		     .clock_divider     (2)
+		     );
+   
+endmodule // u2_rev2