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-rw-r--r--fpga/usrp2/top/u2plus/.gitignore1
-rw-r--r--fpga/usrp2/top/u2plus/Makefile99
-rw-r--r--fpga/usrp2/top/u2plus/bootloader.rmi216
-rw-r--r--fpga/usrp2/top/u2plus/capture_ddrlvds.v39
-rwxr-xr-xfpga/usrp2/top/u2plus/u2plus.ucf424
-rw-r--r--fpga/usrp2/top/u2plus/u2plus.v450
-rw-r--r--fpga/usrp2/top/u2plus/u2plus_core.v738
7 files changed, 1967 insertions, 0 deletions
diff --git a/fpga/usrp2/top/u2plus/.gitignore b/fpga/usrp2/top/u2plus/.gitignore
new file mode 100644
index 000000000..1b2211df0
--- /dev/null
+++ b/fpga/usrp2/top/u2plus/.gitignore
@@ -0,0 +1 @@
+build*
diff --git a/fpga/usrp2/top/u2plus/Makefile b/fpga/usrp2/top/u2plus/Makefile
new file mode 100644
index 000000000..c38bd3ec1
--- /dev/null
+++ b/fpga/usrp2/top/u2plus/Makefile
@@ -0,0 +1,99 @@
+#
+# Copyright 2008 Ettus Research LLC
+#
+
+##################################################
+# Project Setup
+##################################################
+TOP_MODULE = u2plus
+BUILD_DIR = $(abspath build$(ISE))
+
+##################################################
+# Include other makefiles
+##################################################
+
+include ../Makefile.common
+include ../../fifo/Makefile.srcs
+include ../../control_lib/Makefile.srcs
+include ../../sdr_lib/Makefile.srcs
+include ../../serdes/Makefile.srcs
+include ../../simple_gemac/Makefile.srcs
+include ../../timing/Makefile.srcs
+include ../../opencores/Makefile.srcs
+include ../../vrt/Makefile.srcs
+include ../../udp/Makefile.srcs
+include ../../coregen/Makefile.srcs
+include ../../extram/Makefile.srcs
+include ../../extramfifo/Makefile.srcs
+
+
+##################################################
+# Project Properties
+##################################################
+export PROJECT_PROPERTIES := \
+family "Spartan-3A DSP" \
+device xc3sd3400a \
+package fg676 \
+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
+##################################################
+TOP_SRCS = \
+u2plus_core.v \
+u2plus.v \
+u2plus.ucf
+
+SOURCES = $(abspath $(TOP_SRCS)) $(FIFO_SRCS) \
+$(CONTROL_LIB_SRCS) $(SDR_LIB_SRCS) $(SERDES_SRCS) \
+$(SIMPLE_GEMAC_SRCS) $(TIMING_SRCS) $(OPENCORES_SRCS) \
+$(VRT_SRCS) $(UDP_SRCS) $(COREGEN_SRCS) $(EXTRAM_SRCS)
+
+##################################################
+# Process Properties
+##################################################
+SYNTHESIZE_PROPERTIES = \
+"Number of Clock Buffers" 8 \
+"Pack I/O Registers into IOBs" Yes \
+"Optimization Effort" High \
+"Optimize Instantiated Primitives" TRUE \
+"Register Balancing" Yes \
+"Use Clock Enable" Auto \
+"Use Synchronous Reset" Auto \
+"Use Synchronous Set" Auto
+
+TRANSLATE_PROPERTIES = \
+"Macro Search Path" "$(shell pwd)/../../coregen/"
+
+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
+
+PLACE_ROUTE_PROPERTIES = \
+"Place & Route Effort Level (Overall)" High
+
+STATIC_TIMING_PROPERTIES = \
+"Number of Paths in Error/Verbose Report" 10 \
+"Report Type" "Error Report"
+
+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
+
+SIM_MODEL_PROPERTIES = ""
diff --git a/fpga/usrp2/top/u2plus/bootloader.rmi b/fpga/usrp2/top/u2plus/bootloader.rmi
new file mode 100644
index 000000000..4c7d918c0
--- /dev/null
+++ b/fpga/usrp2/top/u2plus/bootloader.rmi
@@ -0,0 +1,216 @@
+defparam bootram.RAM0.INIT_00=256'h00000000_00000000_00000000_a4b70400_3a0b0b0b_0bae9c0c_80700b0b_0b0b0b0b;
+defparam bootram.RAM0.INIT_01=256'h00000000_00000000_00000000_800c0400_880c840c_0ba4f42d_88080b0b_80088408;
+defparam bootram.RAM0.INIT_02=256'h00000000_00000000_04000000_ffff0652_832b2a83_81058205_72830609_71fd0608;
+defparam bootram.RAM0.INIT_03=256'h83a70400_0b0b0b0b_7383ffff_2b2b0906_05820583_83060981_83ffff73_71fd0608;
+defparam bootram.RAM0.INIT_04=256'h00000000_00000000_53510400_070a8106_73097306_09060906_72057373_72098105;
+defparam bootram.RAM0.INIT_05=256'h00000000_00000000_00000000_00000000_00000000_51040000_732e0753_72722473;
+defparam bootram.RAM0.INIT_06=256'h00000000_53510400_81065151_0a31050a_0a720a10_30720a10_71068106_71737109;
+defparam bootram.RAM0.INIT_07=256'h00000000_00000000_00000000_00000000_00000000_51040000_732e0753_72722673;
+defparam bootram.RAM0.INIT_08=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM0.INIT_09=256'h00000000_00000000_00000000_00000000_00000000_00000000_c3040000_0b0b0b88;
+defparam bootram.RAM0.INIT_0A=256'h00000000_00000000_00000000_00000000_00000000_00000000_0a535104_720a722b;
+defparam bootram.RAM0.INIT_0B=256'h00000000_00000000_00000000_00000000_05040000_0b0b88a6_0981050b_72729f06;
+defparam bootram.RAM0.INIT_0C=256'h00000000_00000000_04000000_06075351_8106ff05_0974090a_739f062a_72722aff;
+defparam bootram.RAM0.INIT_0D=256'h00000000_0c515104_0772fc06_832b0b2b_81058205_73830609_020d0406_71715351;
+defparam bootram.RAM0.INIT_0E=256'h00000000_00000000_00000000_51040000_0a810653_81050906_72050970_72098105;
+defparam bootram.RAM0.INIT_0F=256'h00000000_00000000_00000000_53510400_0a098106_81050906_72050970_72098105;
+defparam bootram.RAM0.INIT_10=256'h00000000_00000000_00000000_00000000_00000000_00000000_52040000_71098105;
+defparam bootram.RAM0.INIT_11=256'h00000000_00000000_00000000_00000000_00000000_04000000_05055351_72720981;
+defparam bootram.RAM0.INIT_12=256'h00000000_00000000_00000000_00000000_00000000_07535104_73730906_72097206;
+defparam bootram.RAM0.INIT_13=256'h00000000_00000000_04000000_81ff0652_1010102a_81058305_72830609_71fc0608;
+defparam bootram.RAM0.INIT_14=256'h00000000_00000000_88a90400_060b0b0b_10100508_88738306_0b0b0bae_71fc0608;
+defparam bootram.RAM0.INIT_15=256'h00000000_0c510400_0c840c80_80085688_ae2d5050_0b0b0b9e_88087575_80088408;
+defparam bootram.RAM0.INIT_16=256'h00000000_0c510400_0c840c80_80085688_e02d5050_0b0b0b9f_88087575_80088408;
+defparam bootram.RAM0.INIT_17=256'h04000000_07515151_05ff0506_73097274_70547106_8106ff05_0509060a_72097081;
+defparam bootram.RAM0.INIT_18=256'h51040000_06075151_7405ff05_06730972_05705471_098106ff_0509060a_72097081;
+defparam bootram.RAM0.INIT_19=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_05ff0504;
+defparam bootram.RAM0.INIT_1A=256'h00000000_00000000_00000000_00000000_00000000_51040000_0bae980c_810b0b0b;
+defparam bootram.RAM0.INIT_1B=256'h00000000_00000000_00000000_00000000_00000000_00000000_04000000_71810552;
+defparam bootram.RAM0.INIT_1C=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM0.INIT_1D=256'h00000000_00000000_00000000_00000000_00000000_04000000_10100552_02840572;
+defparam bootram.RAM0.INIT_1E=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM0.INIT_1F=256'h00000000_00000000_00000000_00000000_00000000_020d0400_05715351_717105ff;
+defparam bootram.RAM0.INIT_20=256'h10101010_10101010_10101010_10101010_10101010_10101010_943f0410_81f33f9e;
+defparam bootram.RAM0.INIT_21=256'h060c5151_2b0772fc_05101010_09810583_06738306_047381ff_10105351_10101010;
+defparam bootram.RAM0.INIT_22=256'h535104ae_ed385151_100a5372_1052720a_72060571_06ff0509_72807281_043c0472;
+defparam bootram.RAM0.INIT_23=256'hec0c8290_a0800bb5_b5e80c82_0b0b0b0b_38838080_08822eb9_a138ae9c_9808802e;
+defparam bootram.RAM0.INIT_24=256'h80808480_b5ec0cf8_8082800b_e80cf880_0b0b0bb5_8080a40b_0c04f880_800bb5f0;
+defparam bootram.RAM0.INIT_25=256'h0ba6c40b_ec0c0b0b_80940bb5_0c80c0a8_0b0bb5e8_808c0b0b_0480c0a8_0bb5f00c;
+defparam bootram.RAM0.INIT_26=256'haea40c70_92388412_5270802e_08700852_a338aea4_f4335170_ff3d0db5_b5f00c04;
+defparam bootram.RAM0.INIT_27=256'he408802e_0b0b0bb5_04803d0d_833d0d04_0bb5f434_70f03881_70085252_2daea408;
+defparam bootram.RAM0.INIT_28=256'hf5e23f82_510b0b0b_0b0bb5e4_3d0d040b_06853882_802e0981_0b0b800b_8e380b0b;
+defparam bootram.RAM0.INIT_29=256'h518bc93f_d0055273_3fb23dfe_525486a0_59923d70_3dfee005_d03d0db2_3d0d0404;
+defparam bootram.RAM0.INIT_2A=256'h3d335473_519e3986_c93fa6c8_52735198_38765378_ff74278f_775481ff_8008b238;
+defparam bootram.RAM0.INIT_2B=256'hb039803d_859e3fff_39a78051_a6cc5184_3f91d73f_c85185ac_068f38a6_812e0981;
+defparam bootram.RAM0.INIT_2C=256'h0ca78851_0b81a08c_3d0d81ff_3d0d04fc_51f63982_380bff11_70ff2e87_0dff1351;
+defparam bootram.RAM0.INIT_2D=256'h81ff0655_ee3f8008_84e23f83_3fa78451_e13f86d6_85e13f8e_81a08c0c_dd3f800b;
+defparam bootram.RAM0.INIT_2E=256'h81fc8080_5184bd3f_c338a7b0_51547380_70810651_08708d2a_3f81c6b4_805182ed;
+defparam bootram.RAM0.INIT_2F=256'h8eab3f90_fc808051_ffff5281_80805380_82c33f82_a6388151_8008802e_5190b63f;
+defparam bootram.RAM0.INIT_30=256'he45183f8_74b238a8_3ffe8d3f_8c518484_3f8a39a8_73519192_5184913f_c53fa7d0;
+defparam bootram.RAM0.INIT_31=256'hfec03fb0_3f82ac51_815181f9_5183e53f_9938a990_8008802e_518fa13f_3fb0800a;
+defparam bootram.RAM0.INIT_32=256'h83ba3f82_38aa9851_08802eaa_8fc73f80_98800a51_5183cd3f_d93fa9c8_800a5190;
+defparam bootram.RAM0.INIT_33=256'h3faae851_853f8fca_82ac51fe_5183a53f_bc3faac4_800a518d_ffff5298_80805380;
+defparam bootram.RAM0.INIT_34=256'h5380ffff_38828080_08802eb5_80085480_518f8a3f_81fc8080_5183913f_ba39aba4;
+defparam bootram.RAM0.INIT_35=256'hdb3f82ac_a7d05182_3f8f8f3f_ac51fdca_82ea3f82_3faac451_80518d81_5281fc80;
+defparam bootram.RAM0.INIT_36=256'h04f83d0d_0c863d0d_cf3f7380_82c63ffc_39a88c51_3f81548a_80518fd6_51fdbb3f;
+defparam bootram.RAM0.INIT_37=256'h70810558_8a3d3476_17575473_b7387581_54807425_74ff1656_5a575758_7a7c7f7f;
+defparam bootram.RAM0.INIT_38=256'h8a5186fd_81ff0654_cf3f8008_ff065185_05527781_538a3dfc_a1053482_33028405;
+defparam bootram.RAM0.INIT_39=256'h748338dc_5580de56_02a30533_04fa3d0d_0c8a3d0d_81547380_8538c139_3f73802e;
+defparam bootram.RAM0.INIT_3A=256'h7c5702ab_04f93d0d_3f883d0d_d051ff89_81f75280_3dfc0553_34815488_5675883d;
+defparam bootram.RAM0.INIT_3B=256'h56547380_81ff0670_ef3f8008_70525684_02a70533_3dfc0552_34815389_0533893d;
+defparam bootram.RAM0.INIT_3C=256'h83388155_5473802e_ff067056_3f800881_755183b2_76537b52_77259738_2e9e3880;
+defparam bootram.RAM0.INIT_3D=256'h883d3356_a03f800b_80d051ff_5381f752_883dfc05_3d0d8154_3d0d04fa_74800c89;
+defparam bootram.RAM0.INIT_3E=256'h7081ff06_56567433_3d0d7779_3d0d04fb_75800c88_83388156_2e098106_567480de;
+defparam bootram.RAM0.INIT_3F=256'h0d04fe3d_800c873d_e539800b_5581bb3f_06537652_157481ff_2e903881_54547280;
+defparam bootram.RAM1.INIT_00=256'h528051de_ff3d0d73_843d0d04_800b800c_51819f3f_3f8a5272_705253cb_0d747653;
+defparam bootram.RAM1.INIT_01=256'h800881ff_80087334_5181b23f_81135374_55558439_76787055_04fc3d0d_3f833d0d;
+defparam bootram.RAM1.INIT_02=256'h3f833d0d_528051c9_ff3d0d73_863d0d04_3473800c_e7388073_2e098106_0652718a;
+defparam bootram.RAM1.INIT_03=256'h7510abe0_81ce8005_0d73a029_0d04ff3d_1234823d_0533aea8_7251028f_04803d0d;
+defparam bootram.RAM1.INIT_04=256'h33527251_3faeac13_527251c9_aea81333_3d0d8053_3d0d04fe_0c535183_05702272;
+defparam bootram.RAM1.INIT_05=256'h38aea814_09810694_54748a2e_0d767856_0d04fc3d_e738843d_53827325_d13f8113;
+defparam bootram.RAM1.INIT_06=256'h72802ef8_84140853_ce800554_73a02981_7351df3f_87388d52_2e098106_33537281;
+defparam bootram.RAM1.INIT_07=256'h38901208_70802ef8_88120851_ce800552_73a02981_04ff3d0d_0c863d0d_38748c15;
+defparam bootram.RAM1.INIT_08=256'h38845170_84712583_8f065151_c6a40870_c2880c81_0d800b81_0d04ff3d_800c833d;
+defparam bootram.RAM1.INIT_09=256'h880c833d_800b81c2_0c515181_2a81c284_800c7088_ff0681c2_70227081_10aeb005;
+defparam bootram.RAM1.INIT_0A=256'h70862a70_81c29008_2e818638_81517180_33555354_88059705_0d767802_0d04fd3d;
+defparam bootram.RAM1.INIT_0B=256'h812a7081_c2900870_c2900c81_81900b81_81c28c0c_72108107_5170f138_81065151;
+defparam bootram.RAM1.INIT_0C=256'h3871802e_70802eba_51515151_06708132_872a7081_c2900870_70f13881_06515151;
+defparam bootram.RAM1.INIT_0D=256'h515170f1_70810651_0870812a_0c81c290_7081c290_8338a051_5171812e_b13880e8;
+defparam bootram.RAM1.INIT_0E=256'h0c70800c_0b81c290_883980c0_cc398151_34ff1252_70810556_08517074_3881c28c;
+defparam bootram.RAM1.INIT_0F=256'h51515170_2a708106_90087086_535481c2_97053355_78028805_fd3d0d76_853d0d04;
+defparam bootram.RAM1.INIT_10=256'h70812a70_81c29008_81c2900c_81905170_802e8438_81d05171_81c28c0c_f1387210;
+defparam bootram.RAM1.INIT_11=256'h80cf3871_5170802e_32515151_81067081_70872a70_81c29008_5170f138_81065151;
+defparam bootram.RAM1.INIT_12=256'h90087081_900c81c2_517081c2_2e833890_d0517181_c28c0c80_38733381_802e80c5;
+defparam bootram.RAM1.INIT_13=256'h802e8e38_51515170_70813251_2a708106_90087087_f13881c2_51515170_2a708106;
+defparam bootram.RAM1.INIT_14=256'h04ff3d0d_0c853d0d_80517080_81c2900c_3980c00b_3981518a_5354ffb7_8114ff13;
+defparam bootram.RAM1.INIT_15=256'hc01122ae_108e06ae_c6a40870_25923881_aebc0880_7124a638_08525280_7381c6a4;
+defparam bootram.RAM1.INIT_16=256'hffa91170_028f0533_04ff3d0d_38833d0d_115170fb_387151ff_80722589_bc0c5151;
+defparam bootram.RAM1.INIT_17=256'h81ff0651_38d01270_71b92689_ff065151_c9127081_da269638_52527180_81ff0651;
+defparam bootram.RAM1.INIT_18=256'h82ef3881_2e098106_ff5371ba_76335358_7b585680_f93d0d79_833d0d04_5170800c;
+defparam bootram.RAM1.INIT_19=256'hc4065151_11337080_7033abf5_ff067219_81147081_2eaa3872_53537178_0b811733;
+defparam bootram.RAM1.INIT_1A=256'h08842b9f_fefb3f80_81163351_5271d838_16703351_82bd3872_5271802e_51535154;
+defparam bootram.RAM1.INIT_1B=256'h5354fd53_8b113357_0c701017_05708419_81ff0672_ec3f8008_335252fe_f0068217;
+defparam bootram.RAM1.INIT_1C=256'h08882b83_febb3f80_17335253_e0800684_088c2bbf_fecb3f80_83163351_74828a38;
+defparam bootram.RAM1.INIT_1D=256'h983f8008_335253fe_73058617_2b9ff006_3f800884_5253fea9_05851733_fe800673;
+defparam bootram.RAM1.INIT_1E=256'hf83f8008_335252fd_f0068817_08842b9f_fe873f80_87163351_0588180c_81ff0673;
+defparam bootram.RAM1.INIT_1F=256'h05523355_19707081_19081771_81ff068c_10890570_80d23874_34747427_12527177;
+defparam bootram.RAM1.INIT_20=256'h8c170815_53727434_3f800813_5253fdc1_f0067233_08842b9f_fdcf3f80_52565152;
+defparam bootram.RAM1.INIT_21=256'h84170888_26ffb038_84170875_5b515152_ff065a52_81197081_7081ff06_7033701a;
+defparam bootram.RAM1.INIT_22=256'h5b515354_11335654_73101a89_7081ff06_05197030_2a055473_72057188_18087833;
+defparam bootram.RAM1.INIT_23=256'h5377722e_065152fb_127081ff_e43f8008_335252fc_f0068a15_08842b9f_fcf33f80;
+defparam bootram.RAM1.INIT_24=256'h882a7081_d6900870_803d0d81_893d0d04_5372800c_53833980_388539fe_09810689;
+defparam bootram.RAM1.INIT_25=256'hc0800753_80060780_ff067a8c_05337880_3d0d0293_3d0d04fe_70f13882_06515151;
+defparam bootram.RAM1.INIT_26=256'h81ff0681_d6900c75_800c7181_387681d6_515170f1_70810651_0870882a_5381d690;
+defparam bootram.RAM1.INIT_27=256'h51515170_2a708106_90087088_963881d6_5172802e_d6900c72_82800781_d6980c71;
+defparam bootram.RAM1.INIT_28=256'h80538052_80558854_d6940c88_0d810b81_0d04fc3d_800c843d_80085170_f13881d6;
+defparam bootram.RAM1.INIT_29=256'h900c8b0b_800b81d6_d6980c88_3f800b81_7d56fee4_04f63d0d_3f863d0d_8051ff87;
+defparam bootram.RAM1.INIT_2A=256'hd6900cfe_8aa80b81_81d6900c_0c88a80b_0b81d698_d6800c81_7c882b81_81d6840c;
+defparam bootram.RAM1.INIT_2B=256'h3f81d68c_900cfe98_800b81d6_d6900c8a_88800b81_2780d338_80547376_b33f7e55;
+defparam bootram.RAM1.INIT_2C=256'h27833870_90537073_75315257_5b883d76_81d68008_d684085a_88085981_085881d6;
+defparam bootram.RAM1.INIT_2D=256'ha939800b_721454ff_1252ec39_05573481_33757081_71175170_73279138_53805271;
+defparam bootram.RAM1.INIT_2E=256'h9d055755_80028405_51fed23f_80c05268_3d705457_ea3d0d88_8c3d0d04_81d6980c;
+defparam bootram.RAM1.INIT_2F=256'h81992e09_33515473_38741670_09810694_7381aa2e_ff2e9d38_51547381_74177033;
+defparam bootram.RAM1.INIT_30=256'h863d7054_04f93d0d_0c983d0d_80547380_7527d138_811555be_81548b39_81068538;
+defparam bootram.RAM1.INIT_31=256'h38815574_09810683_8008752e_5185f73f_abec5273_80558653_51fe823f_54865279;
+defparam bootram.RAM1.INIT_32=256'h0771832a_0671872a_70852a82_02970533_04fd3d0d_81a0940c_0d04810b_800c893d;
+defparam bootram.RAM1.INIT_33=256'h76852b80_7081ff06_71730707_832ba006_10900674_73070773_2a880671_84067281;
+defparam bootram.RAM1.INIT_34=256'h0d04fe3d_5552853d_51555255_0c515253_0681d480_077081ff_0778872b_c0067072;
+defparam bootram.RAM1.INIT_35=256'h819951ff_51ff923f_983f81aa_81ff51ff_51ff9e3f_075381ff_0681d00a_0d74d00a;
+defparam bootram.RAM1.INIT_36=256'h0651feed_3f7281ff_5252fef5_7081ff06_3f72882a_e151ff81_ff873f80_8c3fb251;
+defparam bootram.RAM1.INIT_37=256'hfecf3fb0_ff065253_902a7081_fedb3f72_72982a51_51fee23f_e83f8181_3fb251fe;
+defparam bootram.RAM1.INIT_38=256'hb03fa051_3f8051fe_a051feb5_51feba3f_febf3f8e_c43f8051_81a151fe_51feca3f;
+defparam bootram.RAM1.INIT_39=256'h0c8c0888_8c08fc05_3d0d800b_028c0cf9_ff398c08_843d0d04_51fea63f_feab3f80;
+defparam bootram.RAM1.INIT_3A=256'h08883881_8c08fc05_08f4050c_0c800b8c_8c088805_88050830_ab388c08_05088025;
+defparam bootram.RAM1.INIT_3B=256'h0508308c_388c088c_088025ab_8c088c05_08fc050c_f405088c_050c8c08_0b8c08f4;
+defparam bootram.RAM1.INIT_3C=256'h05088c08_0c8c08f0_8c08f005_8838810b_08fc0508_f0050c8c_800b8c08_088c050c;
+defparam bootram.RAM1.INIT_3D=256'h548c08fc_08f8050c_8008708c_5181a73f_08880508_0508528c_538c088c_fc050c80;
+defparam bootram.RAM1.INIT_3E=256'h0d8c0c04_0c54893d_05087080_0c8c08f8_8c08f805_f8050830_8c388c08_0508802e;
+defparam bootram.RAM1.INIT_3F=256'h08308c08_8c088805_80259338_08880508_fc050c8c_800b8c08_0cfb3d0d_8c08028c;
+defparam bootram.RAM2.INIT_00=256'h050c8153_308c088c_088c0508_258c388c_8c050880_050c8c08_0b8c08fc_88050c81;
+defparam bootram.RAM2.INIT_01=256'h802e8c38_08fc0508_050c548c_708c08f8_ad3f8008_88050851_08528c08_8c088c05;
+defparam bootram.RAM2.INIT_02=256'h028c0cfd_0c048c08_873d0d8c_70800c54_08f80508_f8050c8c_08308c08_8c08f805;
+defparam bootram.RAM2.INIT_03=256'h388c08fc_050827ac_088c0888_8c088c05_08f8050c_0c800b8c_8c08fc05_3d0d810b;
+defparam bootram.RAM2.INIT_04=256'h08fc0508_8c050c8c_08108c08_8c088c05_08249938_8c088c05_a338800b_0508802e;
+defparam bootram.RAM2.INIT_05=256'h26a1388c_08880508_8c05088c_c9388c08_08802e80_8c08fc05_050cc939_108c08fc;
+defparam bootram.RAM2.INIT_06=256'hf8050c8c_08078c08_8c08fc05_08f80508_88050c8c_08318c08_8c088c05_08880508;
+defparam bootram.RAM2.INIT_07=256'h90050880_af398c08_8c050cff_812a8c08_088c0508_fc050c8c_812a8c08_08fc0508;
+defparam bootram.RAM2.INIT_08=256'h518c08f4_08f4050c_0508708c_398c08f8_050c518d_708c08f4_08880508_2e8f388c;
+defparam bootram.RAM2.INIT_09=256'h06517080_74740783_72278c38_56565283_0d787779_0c04fc3d_853d0d8c_0508800c;
+defparam bootram.RAM2.INIT_0A=256'h15ff1454_38811581_098106bd_5372712e_33743352_2ea03874_125271ff_2eb038ff;
+defparam bootram.RAM2.INIT_0B=256'h81068f38_73082e09_54517008_0d047474_800c863d_e238800b_2e098106_555571ff;
+defparam bootram.RAM2.INIT_0C=256'h0d04fc3d_800c863d_39727131_5555ffaf_e9387073_51718326_fc145454_84118414;
+defparam bootram.RAM2.INIT_0D=256'h71ff2e98_38ff1252_70802ea7_07830651_8c387275_558f7227_7b555555_0d767079;
+defparam bootram.RAM2.INIT_0E=256'h3d0d0474_74800c86_8106ea38_71ff2e09_34ff1252_70810556_05543374_38727081;
+defparam bootram.RAM2.INIT_0F=256'h05540871_0c727084_70840553_05540871_0c727084_70840553_05540871_51727084;
+defparam bootram.RAM2.INIT_10=256'h95387270_38837227_718f26c9_0cf01252_70840553_05540871_0c727084_70840553;
+defparam bootram.RAM2.INIT_11=256'hae9c0854_3d0d800b_ff8339fd_ed387054_52718326_530cfc12_71708405_84055408;
+defparam bootram.RAM2.INIT_12=256'h3f72b5f8_8008519b_51e6bc3f_aed05281_3fe3b13f_f80ce493_983873b5_5472812e;
+defparam bootram.RAM2.INIT_13=256'hd40882c8_3d0d7bae_00ff39f7_0851843f_e6a53f80_d0528151_e39a3fae_0ce3fc3f;
+defparam bootram.RAM2.INIT_14=256'h80e93880_59807424_712b5955_08ff0581_88188419_80d93881_5a77802e_11085a54;
+defparam bootram.RAM2.INIT_15=256'h08535379_38781670_72802eb5_08770653_56818019_11880556_73822b78_7424b538;
+defparam bootram.RAM2.INIT_16=256'hffad38ae_77085877_8025d638_57575473_79812c5a_fc17fc17_722dff14_51740853;
+defparam bootram.RAM2.INIT_17=256'h57575473_79812c5a_fc17fc17_722dff14_3f740853_7951f8c0_1308a538_d40853bc;
+defparam bootram.RAM2.INIT_18=256'hb5d80bfc_3fff3d0d_7951f894_0853722d_7251bc13_57ff9439_38d23980_8025ffa9;
+defparam bootram.RAM2.INIT_19=256'h0d0404e3_f138833d_2e098106_525270ff_fc127008_9138702d_5270ff2e_05700852;
+defparam bootram.RAM2.INIT_1A=256'h65207265_696d6167_61696e20_523a206d_4552524f_4f4b0000_00000040_833f0400;
+defparam bootram.RAM2.INIT_1B=256'h64652e00_64206d6f_206c6f61_49484558_20696e20_4261636b_65642120_7475726e;
+defparam bootram.RAM2.INIT_1C=256'h756c7472_70657220_72207375_6f616465_6f6f746c_322b2062_55535250_4e4f4b00;
+defparam bootram.RAM2.INIT_1D=256'h50322b20_20555352_74696e67_53746172_6e0a0000_6974696f_55206564_61205a50;
+defparam bootram.RAM2.INIT_1E=256'h6e206672_65747572_523a2072_4552524f_2e000000_6d6f6465_61666520_696e2073;
+defparam bootram.RAM2.INIT_1F=256'h206e6576_6f756c64_73207368_20546869_72616d21_70726f67_61696e20_6f6d206d;
+defparam bootram.RAM2.INIT_20=256'h69726d77_66652066_6f207361_523a206e_4552524f_6e210000_61707065_65722068;
+defparam bootram.RAM2.INIT_21=256'h62726963_6d206120_20492061_626c652e_61696c61_65206176_696d6167_61726520;
+defparam bootram.RAM2.INIT_22=256'h2052414d_5820746f_20494845_6c6f6164_20746f20_66726565_65656c20_6b2e2046;
+defparam bootram.RAM2.INIT_23=256'h6374696f_726f6475_69642070_2076616c_20666f72_6b696e67_43686563_2e000000;
+defparam bootram.RAM2.INIT_24=256'h74696f6e_6f647563_64207072_56616c69_2e2e2e00_6d616765_47412069_6e204650;
+defparam bootram.RAM2.INIT_25=256'h6720746f_7074696e_7474656d_642e2041_666f756e_61676520_4120696d_20465047;
+defparam bootram.RAM2.INIT_26=256'h46504741_696f6e20_64756374_2070726f_616c6964_4e6f2076_742e0000_20626f6f;
+defparam bootram.RAM2.INIT_27=256'h6c6f6164_20746f20_74696e67_74656d70_2e0a4174_6f756e64_67652066_20696d61;
+defparam bootram.RAM2.INIT_28=256'h64207072_56616c69_2e2e2e00_77617265_6669726d_696f6e20_64756374_2070726f;
+defparam bootram.RAM2.INIT_29=256'h64696e67_204c6f61_756e642e_6520666f_6d776172_20666972_74696f6e_6f647563;
+defparam bootram.RAM2.INIT_2A=256'h6e672069_61727469_2e205374_64696e67_206c6f61_73686564_46696e69_2e2e2e00;
+defparam bootram.RAM2.INIT_2B=256'h61696e20_6f6d206d_6e206672_65747572_523a2052_4552524f_2e000000_6d616765;
+defparam bootram.RAM2.INIT_2C=256'h61707065_65722068_206e6576_6f756c64_73207368_20546869_72616d21_70726f67;
+defparam bootram.RAM2.INIT_2D=256'h77617265_6669726d_696f6e20_64756374_2070726f_616c6964_4e6f2076_6e210000;
+defparam bootram.RAM2.INIT_2E=256'h2e2e2e00_77617265_6669726d_61666520_6e672073_54727969_6e642e20_20666f75;
+defparam bootram.RAM2.INIT_2F=256'h20202828_20202020_00202020_80700000_0b0b0b0b_01b200d9_05160364_14580a2c;
+defparam bootram.RAM2.INIT_30=256'h10101010_10101010_20881010_20202020_20202020_20202020_20202020_28282820;
+defparam bootram.RAM2.INIT_31=256'h01010101_41414141_10104141_10101010_04040410_04040404_10040404_10101010;
+defparam bootram.RAM2.INIT_32=256'h02020202_42424242_10104242_10101010_01010101_01010101_01010101_01010101;
+defparam bootram.RAM2.INIT_33=256'h00000000_00000000_20000000_10101010_02020202_02020202_02020202_02020202;
+defparam bootram.RAM2.INIT_34=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM2.INIT_35=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM2.INIT_36=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM2.INIT_37=256'h792e6578_64756d6d_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM2.INIT_38=256'h00000000_00000000_ffffff00_ffff00ff_ff00ffff_00ffffff_43000000_65000000;
+defparam bootram.RAM2.INIT_39=256'hffffffff_000b0000_0018000f_ffff0031_05050400_01010100_00001ae0_00000000;
+defparam bootram.RAM2.INIT_3A=256'h000019c0_00000000_00001758_000016f8_06820594_09c407d0_13880d05_00002710;
+defparam bootram.RAM2.INIT_3B=256'h00000000_00000000_00000000_00000000_00000000_00000000_00001a78_00001a1c;
+defparam bootram.RAM2.INIT_3C=256'h00000000_00000000_00000000_00000000_00001704_00000000_00000000_00000000;
+defparam bootram.RAM2.INIT_3D=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM2.INIT_3E=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM2.INIT_3F=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_00=256'h00000000_00000000_00000000_000b0000_deec0005_1234e66d_330eabcd_00000001;
+defparam bootram.RAM3.INIT_01=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_02=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_03=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_04=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_05=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_06=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_07=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_08=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_09=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_0A=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_0B=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_0C=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_0D=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_0E=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_0F=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_10=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_11=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_12=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_13=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_14=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_15=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_16=256'hffffffff_00000000_ffffffff_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_17=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
diff --git a/fpga/usrp2/top/u2plus/capture_ddrlvds.v b/fpga/usrp2/top/u2plus/capture_ddrlvds.v
new file mode 100644
index 000000000..b9f53ff8c
--- /dev/null
+++ b/fpga/usrp2/top/u2plus/capture_ddrlvds.v
@@ -0,0 +1,39 @@
+
+
+module capture_ddrlvds
+ #(parameter WIDTH=7)
+ (input clk,
+ input ssclk_p,
+ input ssclk_n,
+ input [WIDTH-1:0] in_p,
+ input [WIDTH-1:0] in_n,
+ output reg [(2*WIDTH)-1:0] out);
+
+ wire [WIDTH-1:0] ddr_dat;
+ wire ssclk_regional;
+ wire ssclk_io;
+ wire ssclk;
+ wire [(2*WIDTH)-1:0] out_pre1;
+ reg [(2*WIDTH)-1:0] out_pre2;
+
+ IBUFGDS #(.IOSTANDARD("LVDS_25"),.DIFF_TERM("TRUE")) clkbuf (.O(ssclk), .I(ssclk_p), .IB(ssclk_n));
+
+ genvar i;
+ generate
+ for(i = 0; i < WIDTH; i = i + 1)
+ begin : gen_lvds_pins
+ IBUFDS #(.IOSTANDARD("LVDS_25"),.DIFF_TERM("TRUE")) ibufds
+ (.O(ddr_dat[i]), .I(in_p[i]), .IB(in_n[i]) );
+ IDDR2 #(.DDR_ALIGNMENT("C1")) iddr2
+ (.Q0(out_pre1[2*i]), .Q1(out_pre1[(2*i)+1]), .C0(ssclk), .C1(~ssclk),
+ .CE(1'b1), .D(ddr_dat[i]), .R(1'b0), .S(1'b0));
+ end
+ endgenerate
+
+ always @(negedge clk)
+ out_pre2 <= out_pre1;
+
+ always @(posedge clk)
+ out <= out_pre2;
+
+endmodule // capture_ddrlvds
diff --git a/fpga/usrp2/top/u2plus/u2plus.ucf b/fpga/usrp2/top/u2plus/u2plus.ucf
new file mode 100755
index 000000000..5fbe55c26
--- /dev/null
+++ b/fpga/usrp2/top/u2plus/u2plus.ucf
@@ -0,0 +1,424 @@
+## Main 100 MHz Clock
+NET "CLK_FPGA_P" LOC = "AA13" ;
+NET "CLK_FPGA_N" LOC = "Y13" ;
+
+## ADC
+NET "ADC_clkout_p" LOC = "P1" ;
+NET "ADC_clkout_n" LOC = "P2" ;
+NET "ADCA_12_p" LOC = "Y1" ;
+NET "ADCA_12_n" LOC = "Y2" ;
+NET "ADCA_10_p" LOC = "W3" ;
+NET "ADCA_10_n" LOC = "W4" ;
+NET "ADCA_8_p" LOC = "T7" ;
+NET "ADCA_8_n" LOC = "U6" ;
+NET "ADCA_6_p" LOC = "U5" ;
+NET "ADCA_6_n" LOC = "V5" ;
+NET "ADCA_4_p" LOC = "T10" ;
+NET "ADCA_4_n" LOC = "T9" ;
+NET "ADCA_2_p" LOC = "V1" ;
+NET "ADCA_2_n" LOC = "V2" ;
+NET "ADCA_0_p" LOC = "R8" ;
+NET "ADCA_0_n" LOC = "R7" ;
+NET "ADCB_2_p" LOC = "U7" ;
+NET "ADCB_2_n" LOC = "U8" ;
+NET "ADCB_0_p" LOC = "AA2" ;
+NET "ADCB_0_n" LOC = "AA3" ;
+NET "ADCB_4_p" LOC = "AE1" ;
+NET "ADCB_4_n" LOC = "AE2" ;
+NET "ADCB_6_p" LOC = "W1" ;
+NET "ADCB_6_n" LOC = "W2" ;
+NET "ADCB_8_p" LOC = "U3" ;
+NET "ADCB_8_n" LOC = "V4" ;
+NET "ADCB_10_p" LOC = "J1" ;
+NET "ADCB_10_n" LOC = "K1" ;
+NET "ADCB_12_p" LOC = "J3" ;
+NET "ADCB_12_n" LOC = "J2" ;
+
+## DAC
+NET "DAC_LOCK" LOC = "P4" ;
+NET "DACA<0>" LOC = "P8" ;
+NET "DACA<1>" LOC = "P9" ;
+NET "DACA<2>" LOC = "R5" ;
+NET "DACA<3>" LOC = "R6" ;
+NET "DACA<4>" LOC = "P7" ;
+NET "DACA<5>" LOC = "P6" ;
+NET "DACA<6>" LOC = "T3" ;
+NET "DACA<7>" LOC = "T4" ;
+NET "DACA<8>" LOC = "R3" ;
+NET "DACA<9>" LOC = "R4" ;
+NET "DACA<10>" LOC = "R2" ;
+NET "DACA<11>" LOC = "N1" ;
+NET "DACA<12>" LOC = "N2" ;
+NET "DACA<13>" LOC = "N5" ;
+NET "DACA<14>" LOC = "N4" ;
+NET "DACA<15>" LOC = "M2" ;
+NET "DACB<0>" LOC = "M5" ;
+NET "DACB<1>" LOC = "M6" ;
+NET "DACB<2>" LOC = "M4" ;
+NET "DACB<3>" LOC = "M3" ;
+NET "DACB<4>" LOC = "M8" ;
+NET "DACB<5>" LOC = "M7" ;
+NET "DACB<6>" LOC = "L4" ;
+NET "DACB<7>" LOC = "L3" ;
+NET "DACB<8>" LOC = "K3" ;
+NET "DACB<9>" LOC = "K2" ;
+NET "DACB<10>" LOC = "K5" ;
+NET "DACB<11>" LOC = "K4" ;
+NET "DACB<12>" LOC = "M10" ;
+NET "DACB<13>" LOC = "M9" ;
+NET "DACB<14>" LOC = "J5" ;
+NET "DACB<15>" LOC = "J4" ;
+
+## TX DB GPIO
+NET "io_tx<15>" LOC = "K6" ;
+NET "io_tx<14>" LOC = "L7" ;
+NET "io_tx<13>" LOC = "H2" ;
+NET "io_tx<12>" LOC = "H1" ;
+NET "io_tx<11>" LOC = "L10" ;
+NET "io_tx<10>" LOC = "L9" ;
+NET "io_tx<9>" LOC = "G3" ;
+NET "io_tx<8>" LOC = "F3" ;
+NET "io_tx<7>" LOC = "K7" ;
+NET "io_tx<6>" LOC = "J6" ;
+NET "io_tx<5>" LOC = "E1" ;
+NET "io_tx<4>" LOC = "F2" ;
+NET "io_tx<3>" LOC = "J7" ;
+NET "io_tx<2>" LOC = "H6" ;
+NET "io_tx<1>" LOC = "F5" ;
+NET "io_tx<0>" LOC = "G4" ;
+
+## RX DB GPIO
+NET "io_rx<15>" LOC = "AD1" ;
+NET "io_rx<14>" LOC = "AD2" ;
+NET "io_rx<13>" LOC = "AC2" ;
+NET "io_rx<12>" LOC = "AC3" ;
+NET "io_rx<11>" LOC = "W7" ;
+NET "io_rx<10>" LOC = "W6" ;
+NET "io_rx<9>" LOC = "U9" ;
+NET "io_rx<8>" LOC = "V8" ;
+NET "io_rx<7>" LOC = "AB1" ;
+NET "io_rx<6>" LOC = "AC1" ;
+NET "io_rx<5>" LOC = "V7" ;
+NET "io_rx<4>" LOC = "V6" ;
+NET "io_rx<3>" LOC = "Y5" ;
+NET "io_rx<2>" LOC = "R10" ;
+NET "io_rx<1>" LOC = "R1" ;
+NET "io_rx<0>" LOC = "M1" ;
+
+## MISC
+NET "leds<5>" LOC = "AF25" ;
+NET "leds<4>" LOC = "AE25" ;
+NET "leds<3>" LOC = "AF23" ;
+NET "leds<2>" LOC = "AE23" ;
+NET "leds<1>" LOC = "AB18" ;
+NET "FPGA_RESET" LOC = "K24" ;
+
+## Debug
+NET "debug_clk<0>" LOC = "AA10" ;
+NET "debug_clk<1>" LOC = "AD11" ;
+NET "debug<0>" LOC = "AC19" ;
+NET "debug<1>" LOC = "AF20" ;
+NET "debug<2>" LOC = "AE20" ;
+NET "debug<3>" LOC = "AC16" ;
+NET "debug<4>" LOC = "AB16" ;
+NET "debug<5>" LOC = "AF19" ;
+NET "debug<6>" LOC = "AE19" ;
+NET "debug<7>" LOC = "V15" ;
+NET "debug<8>" LOC = "U15" ;
+NET "debug<9>" LOC = "AE17" ;
+NET "debug<10>" LOC = "AD17" ;
+NET "debug<11>" LOC = "V14" ;
+NET "debug<12>" LOC = "W15" ;
+NET "debug<13>" LOC = "AC15" ;
+NET "debug<14>" LOC = "AD14" ;
+NET "debug<15>" LOC = "AC14" ;
+NET "debug<16>" LOC = "AC11" ;
+NET "debug<17>" LOC = "AB12" ;
+NET "debug<18>" LOC = "AC12" ;
+NET "debug<19>" LOC = "V13" ;
+NET "debug<20>" LOC = "W13" ;
+NET "debug<21>" LOC = "AE8" ;
+NET "debug<22>" LOC = "AF8" ;
+NET "debug<23>" LOC = "V12" ;
+NET "debug<24>" LOC = "W12" ;
+NET "debug<25>" LOC = "AB9" ;
+NET "debug<26>" LOC = "AC9" ;
+NET "debug<27>" LOC = "AC8" ;
+NET "debug<28>" LOC = "AB7" ;
+NET "debug<29>" LOC = "V11" ;
+NET "debug<30>" LOC = "U11" ;
+NET "debug<31>" LOC = "Y10" ;
+
+## UARTS
+NET "TXD<3>" LOC = "AD20" ;
+NET "TXD<2>" LOC = "AC20" ;
+NET "TXD<1>" LOC = "AD19" ;
+NET "RXD<3>" LOC = "AF17" ;
+NET "RXD<2>" LOC = "AF15" ;
+NET "RXD<1>" LOC = "AD12" ;
+
+## AD9510
+NET "clk_status" LOC = "AD22" ;
+NET "CLK_FUNC" LOC = "AC21" ;
+NET "clk_sel<0>" LOC = "AE21" ;
+NET "clk_sel<1>" LOC = "AD21" ;
+NET "clk_en<1>" LOC = "AA17" ;
+NET "clk_en<0>" LOC = "Y17" ;
+
+## I2C
+NET "SDA" LOC = "V16" ;
+NET "SCL" LOC = "U16" ;
+
+## Timing
+NET "PPS_IN" LOC = "AB6" ;
+NET "PPS2_IN" LOC = "AA20" ;
+
+## SPI
+NET "SEN_CLK" LOC = "AA18" ;
+NET "MOSI_CLK" LOC = "W17" ;
+NET "SCLK_CLK" LOC = "V17" ;
+NET "MISO_CLK" LOC = "AC10" ;
+
+NET "SEN_DAC" LOC = "AE7" ;
+NET "SCLK_DAC" LOC = "AF5" ;
+NET "MOSI_DAC" LOC = "AE6" ;
+NET "MISO_DAC" LOC = "Y3" ;
+
+NET "SCLK_ADC" LOC = "B1" ;
+NET "MOSI_ADC" LOC = "J8" ;
+NET "SEN_ADC" LOC = "J9" ;
+
+NET "MOSI_TX_ADC" LOC = "V10" ;
+NET "SEN_TX_ADC" LOC = "W10" ;
+NET "SCLK_TX_ADC" LOC = "AC6" ;
+NET "MISO_TX_ADC" LOC = "G1" ;
+
+NET "MOSI_TX_DAC" LOC = "AD6" ;
+NET "SEN_TX_DAC" LOC = "AE4" ;
+NET "SCLK_TX_DAC" LOC = "AF4" ;
+
+NET "SCLK_TX_DB" LOC = "AE3" ;
+NET "MOSI_TX_DB" LOC = "AF3" ;
+NET "SEN_TX_DB" LOC = "W9" ;
+NET "MISO_TX_DB" LOC = "AA5" ;
+
+NET "MOSI_RX_ADC" LOC = "E3" ;
+NET "SCLK_RX_ADC" LOC = "F4" ;
+NET "SEN_RX_ADC" LOC = "D3" ;
+NET "MISO_RX_ADC" LOC = "C1" ;
+
+NET "SCLK_RX_DAC" LOC = "E4" ;
+NET "SEN_RX_DAC" LOC = "K9" ;
+NET "MOSI_RX_DAC" LOC = "K8" ;
+
+NET "SCLK_RX_DB" LOC = "G6" ;
+NET "MOSI_RX_DB" LOC = "H7" ;
+NET "SEN_RX_DB" LOC = "B2" ;
+NET "MISO_RX_DB" LOC = "H4" ;
+
+## ETH PHY
+NET "CLK_TO_MAC" LOC = "P26" ;
+
+NET "GMII_TXD<7>" LOC = "G21" ;
+NET "GMII_TXD<6>" LOC = "C26" ;
+NET "GMII_TXD<5>" LOC = "C25" ;
+NET "GMII_TXD<4>" LOC = "J21" ;
+NET "GMII_TXD<3>" LOC = "H21" ;
+NET "GMII_TXD<2>" LOC = "D25" ;
+NET "GMII_TXD<1>" LOC = "D24" ;
+NET "GMII_TXD<0>" LOC = "E26" ;
+NET "GMII_TX_EN" LOC = "D26" ;
+NET "GMII_TX_ER" LOC = "J19" ;
+NET "GMII_GTX_CLK" LOC = "J20" ;
+NET "GMII_TX_CLK" LOC = "P25" ;
+
+NET "GMII_RX_CLK" LOC = "P21" ;
+NET "GMII_RXD<7>" LOC = "G22" ;
+NET "GMII_RXD<6>" LOC = "K19" ;
+NET "GMII_RXD<5>" LOC = "K18" ;
+NET "GMII_RXD<4>" LOC = "E24" ;
+NET "GMII_RXD<3>" LOC = "F23" ;
+NET "GMII_RXD<2>" LOC = "L18" ;
+NET "GMII_RXD<1>" LOC = "L17" ;
+NET "GMII_RXD<0>" LOC = "F25" ;
+NET "GMII_RX_DV" LOC = "F24" ;
+NET "GMII_RX_ER" LOC = "L20" ;
+NET "GMII_CRS" LOC = "K20" ;
+NET "GMII_COL" LOC = "G23" ;
+
+NET "PHY_INTn" LOC = "L22" ;
+NET "MDIO" LOC = "K21" ;
+NET "MDC" LOC = "J23" ;
+NET "PHY_RESETn" LOC = "J22" ;
+NET "ETH_LED" LOC = "H20" |IOSTANDARD = LVCMOS25 |DRIVE = 12 |SLEW = FAST ;
+
+## MIMO Interface
+NET "exp_time_out_p" LOC = "Y14" ;
+NET "exp_time_out_n" LOC = "AA14" ;
+NET "exp_time_in_p" LOC = "N18" ;
+NET "exp_time_in_n" LOC = "N17" ;
+NET "exp_user_out_p" LOC = "AF14" ;
+NET "exp_user_out_n" LOC = "AE14" ;
+NET "exp_user_in_p" LOC = "L24" ;
+NET "exp_user_in_n" LOC = "M23" ;
+
+## SERDES
+NET "ser_enable" LOC = "R20" ;
+NET "ser_prbsen" LOC = "U23" ;
+NET "ser_loopen" LOC = "R19" ;
+NET "ser_rx_en" LOC = "Y21" ;
+NET "ser_tx_clk" LOC = "P23" ; # SERDES TX CLK
+NET "ser_t<15>" LOC = "V23" ;
+NET "ser_t<14>" LOC = "U22" ;
+NET "ser_t<13>" LOC = "V24" ;
+NET "ser_t<12>" LOC = "V25" ;
+NET "ser_t<11>" LOC = "W23" ;
+NET "ser_t<10>" LOC = "V22" ;
+NET "ser_t<9>" LOC = "T18" ;
+NET "ser_t<8>" LOC = "T17" ;
+NET "ser_t<7>" LOC = "Y24" ;
+NET "ser_t<6>" LOC = "Y25" ;
+NET "ser_t<5>" LOC = "U21" ;
+NET "ser_t<4>" LOC = "T20" ;
+NET "ser_t<3>" LOC = "Y22" ;
+NET "ser_t<2>" LOC = "Y23" ;
+NET "ser_t<1>" LOC = "U19" ;
+NET "ser_t<0>" LOC = "U18" ;
+NET "ser_tkmsb" LOC = "AA24" ;
+NET "ser_tklsb" LOC = "AA25" ;
+NET "ser_rx_clk" LOC = "P18" ;
+NET "ser_r<15>" LOC = "V21" ;
+NET "ser_r<14>" LOC = "U20" ;
+NET "ser_r<13>" LOC = "AA22" ;
+NET "ser_r<12>" LOC = "AA23" ;
+NET "ser_r<11>" LOC = "V18" ;
+NET "ser_r<10>" LOC = "V19" ;
+NET "ser_r<9>" LOC = "AB23" ;
+NET "ser_r<8>" LOC = "AC26" ;
+NET "ser_r<7>" LOC = "AB26" ;
+NET "ser_r<6>" LOC = "AD26" ;
+NET "ser_r<5>" LOC = "AC25" ;
+NET "ser_r<4>" LOC = "W20" ;
+NET "ser_r<3>" LOC = "W21" ;
+NET "ser_r<2>" LOC = "AC23" ;
+NET "ser_r<1>" LOC = "AC24" ;
+NET "ser_r<0>" LOC = "AE26" ;
+NET "ser_rkmsb" LOC = "AD25" ;
+NET "ser_rklsb" LOC = "Y20" ;
+
+## SRAM
+NET "RAM_D<35>" LOC = "K16" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<34>" LOC = "D20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<33>" LOC = "C20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<32>" LOC = "E21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<31>" LOC = "D21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<30>" LOC = "C21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<29>" LOC = "B21" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<28>" LOC = "H17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<27>" LOC = "G17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<26>" LOC = "B23" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<25>" LOC = "A22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<24>" LOC = "D23" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<23>" LOC = "C23" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<22>" LOC = "D22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<21>" LOC = "C22" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<20>" LOC = "F19" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<19>" LOC = "G20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<18>" LOC = "F20" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<17>" LOC = "F7" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<16>" LOC = "E7" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<15>" LOC = "G9" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<14>" LOC = "H9" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<13>" LOC = "G10" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<12>" LOC = "H10" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<11>" LOC = "A4" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<10>" LOC = "B4" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<9>" LOC = "C5" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<8>" LOC = "D6" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<7>" LOC = "J11" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<6>" LOC = "K11" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<5>" LOC = "B7" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<4>" LOC = "C7" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<3>" LOC = "B6" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<2>" LOC = "C6" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<1>" LOC = "C8" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_D<0>" LOC = "D8" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<0>" LOC = "C11" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<1>" LOC = "E12" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<2>" LOC = "F12" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<3>" LOC = "D13" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<4>" LOC = "C12" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<5>" LOC = "A12" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<6>" LOC = "B12" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<7>" LOC = "E14" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<8>" LOC = "F14" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<9>" LOC = "B15" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<10>" LOC = "A15" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<11>" LOC = "D16" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<12>" LOC = "C15" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<13>" LOC = "D17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<14>" LOC = "C16" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<15>" LOC = "F15" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<16>" LOC = "C17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<17>" LOC = "B17" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<18>" LOC = "B18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<19>" LOC = "A18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_A<20>" LOC = "D18" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_BWn<3>" LOC = "D9" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_BWn<2>" LOC = "A9" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_BWn<1>" LOC = "B9" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_BWn<0>" LOC = "G12" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_ZZ" LOC = "J12" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_LDn" LOC = "H12" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_OEn" LOC = "C10" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_WEn" LOC = "D10" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_CENn" LOC = "B10" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+NET "RAM_CLK" LOC = "A10" |IOSTANDARD = LVCMOS25 |DRIVE = 8 |SLEW = FAST ;
+
+## SPI Flash
+NET "flash_miso" LOC = "AF24" ;
+NET "flash_clk" LOC = "AE24" ;
+NET "flash_mosi" LOC = "AB15" ;
+NET "flash_cs" LOC = "AA7" ;
+
+## MISC FPGA, unused for now
+#NET "PROG_B" LOC = "A2" ;
+#NET "PUDC_B" LOC = "G8" ;
+#NET "DONE" LOC = "AB21" ;
+#NET "INIT_B" LOC = "AA15" ;
+
+
+#NET "unnamed_net19" LOC = "AE9" ; # VS1
+#NET "unnamed_net18" LOC = "AF9" ; # VS0
+#NET "unnamed_net17" LOC = "AA12" ; # VS2
+#NET "unnamed_net16" LOC = "Y7" ; # M2
+#NET "unnamed_net15" LOC = "AC4" ; # M1
+#NET "unnamed_net14" LOC = "AD4" ; # M0
+#NET "unnamed_net13" LOC = "D4" ; # TMS
+#NET "unnamed_net12" LOC = "E23" ; # TDO
+#NET "unnamed_net11" LOC = "G7" ; # TDI
+#NET "unnamed_net10" LOC = "A25" ; # TCK
+#NET "unnamed_net20" LOC = "V20" ; # SUSPEND
+
+
+NET "clk_to_mac" TNM_NET = "clk_to_mac";
+TIMESPEC "TS_clk_to_mac" = PERIOD "clk_to_mac" 8 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 "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 %;
+
+TIMESPEC "TS_clk_div_to_dsp_clk" = FROM "clk_div" TO "dcm_out" 10 ns;
+
+#NET "CLK_FPGA_P" CLOCK_DEDICATED_ROUTE = FALSE;
+#PIN "DCM_INST/DCM_SP.CLKIN" CLOCK_DEDICATED_ROUTE = FALSE;
+
+#NET "RAM_CLK" CLOCK_DEDICATED_ROUTE = FALSE;
+#PIN "DCM_INST1/DCM_SP.CLKFB" CLOCK_DEDICATED_ROUTE = FALSE;
+
+
diff --git a/fpga/usrp2/top/u2plus/u2plus.v b/fpga/usrp2/top/u2plus/u2plus.v
new file mode 100644
index 000000000..c0140e989
--- /dev/null
+++ b/fpga/usrp2/top/u2plus/u2plus.v
@@ -0,0 +1,450 @@
+`timescale 1ns / 1ps
+//`define DCM_FOR_RAMCLK
+//////////////////////////////////////////////////////////////////////////////////
+
+module u2plus
+ (
+ input CLK_FPGA_P, input CLK_FPGA_N, // Diff
+
+ // ADC
+ input ADC_clkout_p, input ADC_clkout_n,
+ input ADCA_12_p, input ADCA_12_n,
+ input ADCA_10_p, input ADCA_10_n,
+ input ADCA_8_p, input ADCA_8_n,
+ input ADCA_6_p, input ADCA_6_n,
+ input ADCA_4_p, input ADCA_4_n,
+ input ADCA_2_p, input ADCA_2_n,
+ input ADCA_0_p, input ADCA_0_n,
+ input ADCB_12_p, input ADCB_12_n,
+ input ADCB_10_p, input ADCB_10_n,
+ input ADCB_8_p, input ADCB_8_n,
+ input ADCB_6_p, input ADCB_6_n,
+ input ADCB_4_p, input ADCB_4_n,
+ input ADCB_2_p, input ADCB_2_n,
+ input ADCB_0_p, input ADCB_0_n,
+
+ // DAC
+ output reg [15:0] DACA,
+ output reg [15:0] DACB,
+ input DAC_LOCK, // unused for now
+
+ // DB IO Pins
+ inout [15:0] io_tx,
+ inout [15:0] io_rx,
+
+ // Misc, debug
+ output [5:1] leds, // LED4 is shared w/INIT_B
+ input FPGA_RESET,
+ output [1:0] debug_clk,
+ output [31:0] debug,
+ output [3:1] TXD, input [3:1] RXD, // UARTs
+ //input [3:0] dipsw, // Forgot DIP Switches...
+
+ // 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,
+
+ inout SCL, inout SDA, // I2C
+
+ // PPS
+ input PPS_IN, input PPS2_IN,
+
+ // SPI
+ output SEN_CLK, output SCLK_CLK, output MOSI_CLK, input MISO_CLK,
+ output SEN_DAC, output SCLK_DAC, output MOSI_DAC, input MISO_DAC,
+ output SEN_ADC, output SCLK_ADC, output MOSI_ADC,
+ output SEN_TX_DB, output SCLK_TX_DB, output MOSI_TX_DB, input MISO_TX_DB,
+ output SEN_TX_DAC, output SCLK_TX_DAC, output MOSI_TX_DAC,
+ output SEN_TX_ADC, output SCLK_TX_ADC, output MOSI_TX_ADC, input MISO_TX_ADC,
+ output SEN_RX_DB, output SCLK_RX_DB, output MOSI_RX_DB, input MISO_RX_DB,
+ output SEN_RX_DAC, output SCLK_RX_DAC, output MOSI_RX_DAC,
+ output SEN_RX_ADC, output SCLK_RX_ADC, output MOSI_RX_ADC, input MISO_RX_ADC,
+
+ // GigE PHY
+ input CLK_TO_MAC,
+
+ 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
+
+ input GMII_RX_CLK,
+ input [7:0] GMII_RXD,
+ input GMII_RX_DV,
+ input GMII_RX_ER,
+ input GMII_COL,
+ input GMII_CRS,
+
+ input PHY_INTn, // open drain
+ inout MDIO,
+ output MDC,
+ output PHY_RESETn,
+ output ETH_LED,
+
+// input POR,
+
+ // Expansion
+ input exp_time_in_p, input exp_time_in_n, // Diff
+ output exp_time_out_p, output exp_time_out_n, // Diff
+ input exp_user_in_p, input exp_user_in_n, // Diff
+ output exp_user_out_p, output exp_user_out_n, // Diff
+
+ // 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,
+
+ // SRAM
+ inout [35:0] RAM_D,
+ output [20:0] RAM_A,
+ output [3:0] RAM_BWn,
+ output RAM_ZZ,
+ output RAM_LDn,
+ output RAM_OEn,
+ output RAM_WEn,
+ output RAM_CENn,
+ output RAM_CLK,
+
+ // SPI Flash
+ output flash_cs,
+ output flash_clk,
+ output flash_mosi,
+ input flash_miso
+ );
+
+ wire CLK_TO_MAC_int, CLK_TO_MAC_int2;
+ IBUFG phyclk (.O(CLK_TO_MAC_int), .I(CLK_TO_MAC));
+ BUFG phyclk2 (.O(CLK_TO_MAC_int2), .I(CLK_TO_MAC_int));
+
+ // FPGA-specific pins connections
+ wire clk_fpga, dsp_clk, clk_div, dcm_out, wb_clk, clock_ready;
+
+ IBUFGDS clk_fpga_pin (.O(clk_fpga),.I(CLK_FPGA_P),.IB(CLK_FPGA_N));
+ defparam clk_fpga_pin.IOSTANDARD = "LVPECL_25";
+
+ wire exp_time_in;
+ IBUFDS exp_time_in_pin (.O(exp_time_in),.I(exp_time_in_p),.IB(exp_time_in_n));
+ defparam exp_time_in_pin.IOSTANDARD = "LVDS_25";
+
+ wire exp_time_out;
+ OBUFDS exp_time_out_pin (.O(exp_time_out_p),.OB(exp_time_out_n),.I(exp_time_out));
+ defparam exp_time_out_pin.IOSTANDARD = "LVDS_25";
+
+ wire exp_user_in;
+ IBUFDS exp_user_in_pin (.O(exp_user_in),.I(exp_user_in_p),.IB(exp_user_in_n));
+ defparam exp_user_in_pin.IOSTANDARD = "LVDS_25";
+
+ wire exp_user_out;
+ OBUFDS exp_user_out_pin (.O(exp_user_out_p),.OB(exp_user_out_n),.I(exp_user_out));
+ defparam exp_user_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;
+
+ // ADC A is inverted on the schematic to facilitate a clean layout
+ // We account for that here by inverting it
+`ifdef LVDS
+ wire [13:0] adc_a, adc_a_inv, adc_b;
+ capture_ddrlvds #(.WIDTH(14)) capture_ddrlvds
+ (.clk(dsp_clk), .ssclk_p(ADC_clkout_p), .ssclk_n(ADC_clkout_n),
+ .in_p({{ADCA_12_p, ADCA_10_p, ADCA_8_p, ADCA_6_p, ADCA_4_p, ADCA_2_p, ADCA_0_p},
+ {ADCB_12_p, ADCB_10_p, ADCB_8_p, ADCB_6_p, ADCB_4_p, ADCB_2_p, ADCB_0_p}}),
+ .in_n({{ADCA_12_n, ADCA_10_n, ADCA_8_n, ADCA_6_n, ADCA_4_n, ADCA_2_n, ADCA_0_n},
+ {ADCB_12_n, ADCB_10_n, ADCB_8_n, ADCB_6_n, ADCB_4_n, ADCB_2_n, ADCB_0_n}}),
+ .out({adc_a_inv,adc_b}));
+ assign adc_a = ~adc_a_inv;
+`else
+ reg [13:0] adc_a, adc_b;
+ always @(posedge dsp_clk)
+ begin
+ adc_a <= ~{ADCA_12_p,ADCA_12_n, ADCA_10_p,ADCA_10_n, ADCA_8_p,ADCA_8_n, ADCA_6_p,ADCA_6_n,
+ ADCA_4_p,ADCA_4_n, ADCA_2_p,ADCA_2_n, ADCA_0_p,ADCA_0_n };
+ adc_b <= {ADCB_12_p,ADCB_12_n, ADCB_10_p,ADCB_10_n, ADCB_8_p,ADCB_8_n, ADCB_6_p,ADCB_6_n,
+ ADCB_4_p,ADCB_4_n, ADCB_2_p,ADCB_2_n, ADCB_0_p,ADCB_0_n };
+ end
+`endif // !`ifdef LVDS
+
+ // 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(),
+ .CLK180(),
+ .CLK270(clk270_100),
+ .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));
+
+ // Create clock for external SRAM thats -90degree phase to DSPCLK (i.e) 2nS earlier at 100MHz.
+ BUFG clk270_100_buf_i1 (.I(clk270_100),
+ .O(clk270_100_buf));
+ OFDDRRSE RAM_CLK_i1 (.Q(RAM_CLK),
+ .C0(clk270_100_buf),
+ .C1(~clk270_100_buf),
+ .CE(1'b1),
+ .D0(1'b1),
+ .D1(1'b0),
+ .R(1'b0),
+ .S(1'b0));
+
+ // 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 [5:0] leds_int;
+ assign {ETH_LED,leds} = {6'b011111 ^ leds_int}; // drive low to turn on leds
+
+ // SPI
+ wire miso, mosi, sclk;
+
+ assign {SCLK_CLK,MOSI_CLK} = ~SEN_CLK ? {sclk,mosi} : 2'B0;
+ assign {SCLK_DAC,MOSI_DAC} = ~SEN_DAC ? {sclk,mosi} : 2'B0;
+ assign {SCLK_ADC,MOSI_ADC} = ~SEN_ADC ? {sclk,mosi} : 2'B0;
+ assign {SCLK_TX_DB,MOSI_TX_DB} = ~SEN_TX_DB ? {sclk,mosi} : 2'B0;
+ assign {SCLK_TX_DAC,MOSI_TX_DAC} = ~SEN_TX_DAC ? {sclk,mosi} : 2'B0;
+ assign {SCLK_TX_ADC,MOSI_TX_ADC} = ~SEN_TX_ADC ? {sclk,mosi} : 2'B0;
+ assign {SCLK_RX_DB,MOSI_RX_DB} = ~SEN_RX_DB ? {sclk,mosi} : 2'B0;
+ assign {SCLK_RX_DAC,MOSI_RX_DAC} = ~SEN_RX_DAC ? {sclk,mosi} : 2'B0;
+ assign {SCLK_RX_ADC,MOSI_RX_ADC} = ~SEN_RX_ADC ? {sclk,mosi} : 2'B0;
+
+ assign miso = (~SEN_CLK & MISO_CLK) | (~SEN_DAC & MISO_DAC) |
+ (~SEN_TX_DB & MISO_TX_DB) | (~SEN_TX_ADC & MISO_TX_ADC) |
+ (~SEN_RX_DB & MISO_RX_DB) | (~SEN_RX_ADC & MISO_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
+
+ /*
+ 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
+ );
+ */
+
+
+ //
+ // Instantiate IO for Bidirectional bus to SRAM
+ //
+ wire [35:0] RAM_D_pi;
+ wire [35:0] RAM_D_po;
+ wire RAM_D_poe;
+
+ genvar i;
+
+ generate
+ for (i=0;i<36;i=i+1)
+ begin : gen_RAM_D_IO
+
+ IOBUF #(
+ .DRIVE(12),
+ .IOSTANDARD("LVCMOS25"),
+ .SLEW("FAST")
+ )
+ RAM_D_i (
+ .O(RAM_D_pi[i]),
+ .I(RAM_D_po[i]),
+ .IO(RAM_D[i]),
+ .T(RAM_D_poe)
+ );
+ end // block: gen_RAM_D_IO
+ endgenerate
+
+
+
+ wire [15:0] dac_a_int, dac_b_int;
+ // DAC A and B are swapped in schematic to facilitate clean layout
+ // DAC A is also inverted in schematic to facilitate clean layout
+ always @(negedge dsp_clk) DACA <= ~dac_b_int;
+ always @(negedge dsp_clk) DACB <= dac_a_int;
+
+ u2plus_core u2p_c(.dsp_clk (dsp_clk),
+ .wb_clk (wb_clk),
+ .clock_ready (clock_ready),
+ .clk_to_mac (CLK_TO_MAC_int2),
+ .pps_in (PPS_IN),
+ .leds (leds_int),
+ .debug (debug[31:0]),
+ .debug_clk (debug_clk[1:0]),
+ .exp_time_in (exp_time_in),
+ .exp_time_out (exp_time_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),
+ .adc_a (adc_a[13:0]),
+ .adc_ovf_a (1'b0),
+ .adc_on_a (),
+ .adc_oe_a (),
+ .adc_b (adc_b[13:0]),
+ .adc_ovf_b (1'b0),
+ .adc_on_b (),
+ .adc_oe_b (),
+ .dac_a (dac_a_int[15:0]),
+ .dac_b (dac_b_int[15:0]),
+ .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),
+ .mosi (mosi),
+ .miso (miso),
+ .sen_clk (SEN_CLK),
+ .sen_dac (SEN_DAC),
+ .sen_adc (SEN_ADC),
+ .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_po (RAM_D_po),
+ .RAM_D_pi (RAM_D_pi),
+ .RAM_D_poe (RAM_D_poe),
+ .RAM_A (RAM_A),
+ .RAM_CE1n (RAM_CE1n),
+ .RAM_CENn (RAM_CENn),
+ .RAM_WEn (RAM_WEn),
+ .RAM_OEn (RAM_OEn),
+ .RAM_LDn (RAM_LDn),
+ .uart_tx_o (TXD[3:1]),
+ .uart_rx_i ({1'b1,RXD[3:1]}),
+ .uart_baud_o (),
+ .sim_mode (1'b0),
+ .clock_divider (2),
+ .button (FPGA_RESET),
+ .spiflash_cs (flash_cs),
+ .spiflash_clk (flash_clk),
+ .spiflash_miso (flash_miso),
+ .spiflash_mosi (flash_mosi)
+ );
+
+ // Drive low so that RAM does not sleep.
+ assign RAM_ZZ = 0;
+ // Byte Writes are qualified by the global write enable
+ // Always do 36bit operations to extram.
+ assign RAM_BWn = 4'b0000;
+
+endmodule // u2plus
diff --git a/fpga/usrp2/top/u2plus/u2plus_core.v b/fpga/usrp2/top/u2plus/u2plus_core.v
new file mode 100644
index 000000000..c152f083e
--- /dev/null
+++ b/fpga/usrp2/top/u2plus/u2plus_core.v
@@ -0,0 +1,738 @@
+// ////////////////////////////////////////////////////////////////////////////////
+// Module Name: u2_core
+// ////////////////////////////////////////////////////////////////////////////////
+
+module u2plus_core
+ (// Clocks
+ input dsp_clk,
+ input wb_clk,
+ output clock_ready,
+ input clk_to_mac,
+ input pps_in,
+
+ // Misc, debug
+ output [7:0] leds,
+ output [31:0] debug,
+ output [1:0] debug_clk,
+
+ // Expansion
+ input exp_time_in,
+ output exp_time_out,
+
+ // GMII
+ // GMII-CTRL
+ input GMII_COL,
+ input GMII_CRS,
+
+ // GMII-TX
+ output [7:0] GMII_TXD,
+ output GMII_TX_EN,
+ output 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,
+
+ // SERDES
+ output ser_enable,
+ output ser_prbsen,
+ output ser_loopen,
+ output ser_rx_en,
+
+ output ser_tx_clk,
+ output [15:0] ser_t,
+ output ser_tklsb,
+ output ser_tkmsb,
+
+ input ser_rx_clk,
+ input [15:0] ser_r,
+ input ser_rklsb,
+ input ser_rkmsb,
+
+ input por,
+ output config_success,
+
+ // ADC
+ input [13:0] adc_a,
+ input adc_ovf_a,
+ output adc_on_a,
+ output adc_oe_a,
+
+ input [13:0] adc_b,
+ input adc_ovf_b,
+ output adc_on_b,
+ output adc_oe_b,
+
+ // DAC
+ output [15:0] dac_a,
+ output [15:0] dac_b,
+
+ // I2C
+ input scl_pad_i,
+ output scl_pad_o,
+ output scl_pad_oen_o,
+ input sda_pad_i,
+ output sda_pad_o,
+ output sda_pad_oen_o,
+
+ // 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,
+
+ // Generic SPI
+ output sclk,
+ output mosi,
+ input miso,
+ output sen_clk,
+ output sen_dac,
+ output sen_adc,
+ output sen_tx_db,
+ output sen_tx_adc,
+ output sen_tx_dac,
+ output sen_rx_db,
+ output sen_rx_adc,
+ output sen_rx_dac,
+
+ // GPIO to DBoards
+ inout [15:0] io_tx,
+ inout [15:0] io_rx,
+
+ // External RAM
+ input [35:0] RAM_D_pi,
+ output [35:0] RAM_D_po,
+ output RAM_D_poe,
+ output [20:0] RAM_A,
+ output RAM_CE1n,
+ output RAM_CENn,
+ output RAM_WEn,
+ output RAM_OEn,
+ output RAM_LDn,
+
+ // Debug stuff
+ output [3:0] uart_tx_o,
+ input [3:0] uart_rx_i,
+ output [3:0] uart_baud_o,
+ input sim_mode,
+ input [3:0] clock_divider,
+ input button,
+
+ output spiflash_cs, output spiflash_clk, input spiflash_miso, output spiflash_mosi
+ );
+
+ localparam SR_BUF_POOL = 64; // router
+ localparam SR_UDP_SM = 96; // 64 regs
+ localparam SR_RX_DSP = 160; // 16
+ localparam SR_RX_CTRL = 176; // 16
+ localparam SR_TIME64 = 192; // 3
+ localparam SR_SIMTIMER = 198; // 2
+ localparam SR_TX_DSP = 208; // 16
+ localparam SR_TX_CTRL = 224; // 16
+
+ // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048
+ // all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs
+ localparam DSP_TX_FIFOSIZE = 10;
+ localparam DSP_RX_FIFOSIZE = 10;
+ localparam ETH_TX_FIFOSIZE = 10;
+ localparam ETH_RX_FIFOSIZE = 11;
+ localparam SERDES_TX_FIFOSIZE = 9;
+ localparam SERDES_RX_FIFOSIZE = 9; // RX currently doesn't use a fifo?
+
+ wire [7:0] set_addr, set_addr_dsp;
+ wire [31:0] set_data, set_data_dsp;
+ wire set_stb, set_stb_dsp;
+
+ wire wb_rst, dsp_rst;
+
+ wire [31:0] status;
+ wire bus_error, spi_int, i2c_int, pps_int, onetime_int, periodic_int, buffer_int;
+ wire proc_int, overrun, underrun;
+ wire [3:0] uart_tx_int, uart_rx_int;
+
+ wire [31:0] debug_gpio_0, debug_gpio_1;
+ wire [31:0] atr_lines;
+
+ wire [31:0] debug_rx, debug_mac, debug_mac0, debug_mac1, debug_tx_dsp, debug_txc,
+ debug_serdes0, debug_serdes1, debug_serdes2, debug_rx_dsp, debug_udp;
+
+ wire [15:0] ser_rx_occ, ser_tx_occ, dsp_rx_occ, dsp_tx_occ, eth_rx_occ, eth_tx_occ, eth_rx_occ2;
+ wire ser_rx_full, ser_tx_full, dsp_rx_full, dsp_tx_full, eth_rx_full, eth_tx_full, eth_rx_full2;
+ wire ser_rx_empty, ser_tx_empty, dsp_rx_empty, dsp_tx_empty, eth_rx_empty, eth_tx_empty, eth_rx_empty2;
+
+ wire serdes_link_up;
+ wire epoch;
+ wire [31:0] irq;
+ wire [63:0] vita_time;
+ wire run_rx, run_tx;
+
+ // ///////////////////////////////////////////////////////////////////////////////////////////////
+ // Wishbone Single Master INTERCON
+ localparam dw = 32; // Data bus width
+ localparam aw = 16; // Address bus width, for byte addressibility, 16 = 64K byte memory space
+ localparam sw = 4; // Select width -- 32-bit data bus with 8-bit granularity.
+
+ wire [dw-1:0] m0_dat_o, m0_dat_i;
+ wire [dw-1:0] s0_dat_o, s1_dat_o, s0_dat_i, s1_dat_i, s2_dat_o, s3_dat_o, s2_dat_i, s3_dat_i,
+ s4_dat_o, s5_dat_o, s4_dat_i, s5_dat_i, s6_dat_o, s7_dat_o, s6_dat_i, s7_dat_i,
+ s8_dat_o, s9_dat_o, s8_dat_i, s9_dat_i, sa_dat_o, sa_dat_i, sb_dat_i, sb_dat_o,
+ sc_dat_i, sc_dat_o, sd_dat_i, sd_dat_o, se_dat_i, se_dat_o, sf_dat_i, sf_dat_o;
+ wire [aw-1:0] m0_adr,s0_adr,s1_adr,s2_adr,s3_adr,s4_adr,s5_adr,s6_adr,s7_adr,s8_adr,s9_adr,sa_adr,sb_adr,sc_adr, sd_adr, se_adr, sf_adr;
+ wire [sw-1:0] m0_sel,s0_sel,s1_sel,s2_sel,s3_sel,s4_sel,s5_sel,s6_sel,s7_sel,s8_sel,s9_sel,sa_sel,sb_sel,sc_sel, sd_sel, se_sel, sf_sel;
+ wire m0_ack,s0_ack,s1_ack,s2_ack,s3_ack,s4_ack,s5_ack,s6_ack,s7_ack,s8_ack,s9_ack,sa_ack,sb_ack,sc_ack, sd_ack, se_ack, sf_ack;
+ wire m0_stb,s0_stb,s1_stb,s2_stb,s3_stb,s4_stb,s5_stb,s6_stb,s7_stb,s8_stb,s9_stb,sa_stb,sb_stb,sc_stb, sd_stb, se_stb, sf_stb;
+ wire m0_cyc,s0_cyc,s1_cyc,s2_cyc,s3_cyc,s4_cyc,s5_cyc,s6_cyc,s7_cyc,s8_cyc,s9_cyc,sa_cyc,sb_cyc,sc_cyc, sd_cyc, se_cyc, sf_cyc;
+ wire m0_err, m0_rty;
+ wire m0_we,s0_we,s1_we,s2_we,s3_we,s4_we,s5_we,s6_we,s7_we,s8_we,s9_we,sa_we,sb_we,sc_we,sd_we,se_we,sf_we;
+
+ wb_1master #(.decode_w(8),
+ .s0_addr(8'b0000_0000),.s0_mask(8'b1110_0000), // 0-8K, Boot RAM
+ .s1_addr(8'b0100_0000),.s1_mask(8'b1111_0000), // 16K-20K, Buffer Pool
+ .s2_addr(8'b0110_0000),.s2_mask(8'b1111_1111), // SPI
+ .s3_addr(8'b0110_0001),.s3_mask(8'b1111_1111), // I2C
+ .s4_addr(8'b0110_0010),.s4_mask(8'b1111_1111), // GPIO
+ .s5_addr(8'b0110_0011),.s5_mask(8'b1111_1111), // Readback
+ .s6_addr(8'b0110_0100),.s6_mask(8'b1111_1111), // Ethernet MAC
+ .s7_addr(8'b0101_0000),.s7_mask(8'b1111_0000), // 20K-24K, Settings Bus (only uses 1K)
+ .s8_addr(8'b0110_0101),.s8_mask(8'b1111_1111), // PIC
+ .s9_addr(8'b0110_0110),.s9_mask(8'b1111_1111), // Unused
+ .sa_addr(8'b0110_0111),.sa_mask(8'b1111_1111), // UART
+ .sb_addr(8'b0110_1000),.sb_mask(8'b1111_1111), // ATR
+ .sc_addr(8'b0110_1001),.sc_mask(8'b1111_1111), // Unused
+ .sd_addr(8'b0110_1010),.sd_mask(8'b1111_1111), // ICAP
+ .se_addr(8'b0110_1011),.se_mask(8'b1111_1111), // SPI Flash
+ .sf_addr(8'b1000_0000),.sf_mask(8'b1100_0000), // 32-48K, Main RAM
+ .dw(dw),.aw(aw),.sw(sw)) wb_1master
+ (.clk_i(wb_clk),.rst_i(wb_rst),
+ .m0_dat_o(m0_dat_o),.m0_ack_o(m0_ack),.m0_err_o(m0_err),.m0_rty_o(m0_rty),.m0_dat_i(m0_dat_i),
+ .m0_adr_i(m0_adr),.m0_sel_i(m0_sel),.m0_we_i(m0_we),.m0_cyc_i(m0_cyc),.m0_stb_i(m0_stb),
+ .s0_dat_o(s0_dat_o),.s0_adr_o(s0_adr),.s0_sel_o(s0_sel),.s0_we_o (s0_we),.s0_cyc_o(s0_cyc),.s0_stb_o(s0_stb),
+ .s0_dat_i(s0_dat_i),.s0_ack_i(s0_ack),.s0_err_i(0),.s0_rty_i(0),
+ .s1_dat_o(s1_dat_o),.s1_adr_o(s1_adr),.s1_sel_o(s1_sel),.s1_we_o (s1_we),.s1_cyc_o(s1_cyc),.s1_stb_o(s1_stb),
+ .s1_dat_i(s1_dat_i),.s1_ack_i(s1_ack),.s1_err_i(0),.s1_rty_i(0),
+ .s2_dat_o(s2_dat_o),.s2_adr_o(s2_adr),.s2_sel_o(s2_sel),.s2_we_o (s2_we),.s2_cyc_o(s2_cyc),.s2_stb_o(s2_stb),
+ .s2_dat_i(s2_dat_i),.s2_ack_i(s2_ack),.s2_err_i(0),.s2_rty_i(0),
+ .s3_dat_o(s3_dat_o),.s3_adr_o(s3_adr),.s3_sel_o(s3_sel),.s3_we_o (s3_we),.s3_cyc_o(s3_cyc),.s3_stb_o(s3_stb),
+ .s3_dat_i(s3_dat_i),.s3_ack_i(s3_ack),.s3_err_i(0),.s3_rty_i(0),
+ .s4_dat_o(s4_dat_o),.s4_adr_o(s4_adr),.s4_sel_o(s4_sel),.s4_we_o (s4_we),.s4_cyc_o(s4_cyc),.s4_stb_o(s4_stb),
+ .s4_dat_i(s4_dat_i),.s4_ack_i(s4_ack),.s4_err_i(0),.s4_rty_i(0),
+ .s5_dat_o(s5_dat_o),.s5_adr_o(s5_adr),.s5_sel_o(s5_sel),.s5_we_o (s5_we),.s5_cyc_o(s5_cyc),.s5_stb_o(s5_stb),
+ .s5_dat_i(s5_dat_i),.s5_ack_i(s5_ack),.s5_err_i(0),.s5_rty_i(0),
+ .s6_dat_o(s6_dat_o),.s6_adr_o(s6_adr),.s6_sel_o(s6_sel),.s6_we_o (s6_we),.s6_cyc_o(s6_cyc),.s6_stb_o(s6_stb),
+ .s6_dat_i(s6_dat_i),.s6_ack_i(s6_ack),.s6_err_i(0),.s6_rty_i(0),
+ .s7_dat_o(s7_dat_o),.s7_adr_o(s7_adr),.s7_sel_o(s7_sel),.s7_we_o (s7_we),.s7_cyc_o(s7_cyc),.s7_stb_o(s7_stb),
+ .s7_dat_i(s7_dat_i),.s7_ack_i(s7_ack),.s7_err_i(0),.s7_rty_i(0),
+ .s8_dat_o(s8_dat_o),.s8_adr_o(s8_adr),.s8_sel_o(s8_sel),.s8_we_o (s8_we),.s8_cyc_o(s8_cyc),.s8_stb_o(s8_stb),
+ .s8_dat_i(s8_dat_i),.s8_ack_i(s8_ack),.s8_err_i(0),.s8_rty_i(0),
+ .s9_dat_o(s9_dat_o),.s9_adr_o(s9_adr),.s9_sel_o(s9_sel),.s9_we_o (s9_we),.s9_cyc_o(s9_cyc),.s9_stb_o(s9_stb),
+ .s9_dat_i(s9_dat_i),.s9_ack_i(s9_ack),.s9_err_i(0),.s9_rty_i(0),
+ .sa_dat_o(sa_dat_o),.sa_adr_o(sa_adr),.sa_sel_o(sa_sel),.sa_we_o(sa_we),.sa_cyc_o(sa_cyc),.sa_stb_o(sa_stb),
+ .sa_dat_i(sa_dat_i),.sa_ack_i(sa_ack),.sa_err_i(0),.sa_rty_i(0),
+ .sb_dat_o(sb_dat_o),.sb_adr_o(sb_adr),.sb_sel_o(sb_sel),.sb_we_o(sb_we),.sb_cyc_o(sb_cyc),.sb_stb_o(sb_stb),
+ .sb_dat_i(sb_dat_i),.sb_ack_i(sb_ack),.sb_err_i(0),.sb_rty_i(0),
+ .sc_dat_o(sc_dat_o),.sc_adr_o(sc_adr),.sc_sel_o(sc_sel),.sc_we_o(sc_we),.sc_cyc_o(sc_cyc),.sc_stb_o(sc_stb),
+ .sc_dat_i(sc_dat_i),.sc_ack_i(sc_ack),.sc_err_i(0),.sc_rty_i(0),
+ .sd_dat_o(sd_dat_o),.sd_adr_o(sd_adr),.sd_sel_o(sd_sel),.sd_we_o(sd_we),.sd_cyc_o(sd_cyc),.sd_stb_o(sd_stb),
+ .sd_dat_i(sd_dat_i),.sd_ack_i(sd_ack),.sd_err_i(0),.sd_rty_i(0),
+ .se_dat_o(se_dat_o),.se_adr_o(se_adr),.se_sel_o(se_sel),.se_we_o(se_we),.se_cyc_o(se_cyc),.se_stb_o(se_stb),
+ .se_dat_i(se_dat_i),.se_ack_i(se_ack),.se_err_i(0),.se_rty_i(0),
+ .sf_dat_o(sf_dat_o),.sf_adr_o(sf_adr),.sf_sel_o(sf_sel),.sf_we_o(sf_we),.sf_cyc_o(sf_cyc),.sf_stb_o(sf_stb),
+ .sf_dat_i(sf_dat_i),.sf_ack_i(sf_ack),.sf_err_i(0),.sf_rty_i(0));
+
+ //////////////////////////////////////////////////////////////////////////////////////////
+ // Reset Controller
+
+ reg cpu_bldr_ctrl_state;
+ localparam CPU_BLDR_CTRL_WAIT = 0;
+ localparam CPU_BLDR_CTRL_DONE = 1;
+
+ wire bldr_done;
+ reg cpu_rst;
+ wire cpu_enb = ~cpu_rst;
+ wire [aw-1:0] cpu_adr;
+ wire [aw-1:0] cpu_sp_init = (cpu_bldr_ctrl_state == CPU_BLDR_CTRL_DONE)?
+ 16'hfff8 : //top of 8K boot ram re-purposed at 56K
+ 16'h1ff8 ; //top of 8K boot ram
+
+ //When the main program runs, it will try to access system ram at 0.
+ //This logic re-maps the cpu address to force select the system ram.
+ assign m0_adr =
+ (cpu_bldr_ctrl_state == CPU_BLDR_CTRL_WAIT)? cpu_adr : ( //in bootloader
+ (cpu_adr[15:14] == 2'b00)? {2'b10, cpu_adr[13:0]} : ( //map 0-16 to 32-48 (main ram)
+ (cpu_adr[15:13] == 3'b111)? {3'b000, cpu_adr[12:0]} : ( //map 56-64 to 0-8 (boot ram)
+ cpu_adr))); //otherwise
+
+ always @(posedge wb_clk)
+ if(wb_rst) begin
+ cpu_bldr_ctrl_state <= CPU_BLDR_CTRL_WAIT;
+ cpu_rst <= 1'b1;
+ end
+ else begin
+ case(cpu_bldr_ctrl_state)
+
+ CPU_BLDR_CTRL_WAIT: begin
+ cpu_rst <= 1'b0;
+ if (bldr_done == 1'b1) begin //set by the bootloader
+ cpu_bldr_ctrl_state <= CPU_BLDR_CTRL_DONE;
+ cpu_rst <= 1'b1;
+ end
+ end
+
+ CPU_BLDR_CTRL_DONE: begin //stay here forever
+ cpu_rst <= 1'b0;
+ end
+
+ endcase //cpu_bldr_ctrl_state
+ end
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Processor
+
+ assign bus_error = m0_err | m0_rty;
+
+ wire [63:0] zpu_status;
+ zpu_wb_top #(.dat_w(dw), .adr_w(aw), .sel_w(sw))
+ zpu_top0 (.clk(wb_clk), .rst(wb_rst | cpu_rst), .enb(cpu_enb),
+ // Data Wishbone bus to system bus fabric
+ .we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(cpu_adr),
+ .dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc),
+ // Interrupts and exceptions
+ .stack_start(cpu_sp_init), .zpu_status(zpu_status), .interrupt(proc_int & 1'b0));
+
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Dual Ported Boot RAM -- D-Port is Slave #0 on main Wishbone
+ // Dual Ported Main RAM -- D-Port is Slave #F on main Wishbone
+ // I-port connects directly to processor
+
+ bootram bootram(.clk(wb_clk), .reset(wb_rst),
+ .if_adr(13'b0), .if_data(),
+ .dwb_adr_i(s0_adr[12:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i),
+ .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel));
+
+////blinkenlights v0.1
+//defparam bootram.RAM0.INIT_00=256'hbc32fff0_aa43502b_b00000fe_30630001_80000000_10600000_a48500ff_10a00000;
+//defparam bootram.RAM0.INIT_01=256'ha48500ff_b810ffd0_f880200c_30a50001_10830000_308000ff_be23000c_a4640001;
+
+`include "bootloader.rmi"
+
+ ram_harvard2 #(.AWIDTH(14),.RAM_SIZE(16384))
+ sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),
+ .if_adr(14'b0), .if_data(),
+ .dwb_adr_i(sf_adr[13:0]), .dwb_dat_i(sf_dat_o), .dwb_dat_o(sf_dat_i),
+ .dwb_we_i(sf_we), .dwb_ack_o(sf_ack), .dwb_stb_i(sf_stb), .dwb_sel_i(sf_sel));
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Buffer Pool, slave #1
+ wire rd0_ready_i, rd0_ready_o;
+ wire rd1_ready_i, rd1_ready_o;
+ wire rd2_ready_i, rd2_ready_o;
+ wire rd3_ready_i, rd3_ready_o;
+ wire [3:0] rd0_flags, rd1_flags, rd2_flags, rd3_flags;
+ wire [31:0] rd0_dat, rd1_dat, rd2_dat, rd3_dat;
+
+ wire wr0_ready_i, wr0_ready_o;
+ wire wr1_ready_i, wr1_ready_o;
+ wire wr2_ready_i, wr2_ready_o;
+ wire wr3_ready_i, wr3_ready_o;
+ wire [3:0] wr0_flags, wr1_flags, wr2_flags, wr3_flags;
+ wire [31:0] wr0_dat, wr1_dat, wr2_dat, wr3_dat;
+
+ wire [35:0] tx_err_data;
+ wire tx_err_src_rdy, tx_err_dst_rdy;
+
+ wire [31:0] router_debug;
+
+ packet_router #(.BUF_SIZE(9), .UDP_BASE(SR_UDP_SM), .CTRL_BASE(SR_BUF_POOL)) packet_router
+ (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),
+ .wb_we_i(s1_we),.wb_stb_i(s1_stb),.wb_adr_i(s1_adr),.wb_dat_i(s1_dat_o),
+ .wb_dat_o(s1_dat_i),.wb_ack_o(s1_ack),.wb_err_o(),.wb_rty_o(),
+
+ .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
+
+ .stream_clk(dsp_clk), .stream_rst(dsp_rst), .stream_clr(1'b0),
+
+ .status(status), .sys_int_o(buffer_int), .debug(router_debug),
+
+ .ser_inp_data({wr0_flags, wr0_dat}), .ser_inp_valid(wr0_ready_i), .ser_inp_ready(wr0_ready_o),
+ .dsp_inp_data({wr1_flags, wr1_dat}), .dsp_inp_valid(wr1_ready_i), .dsp_inp_ready(wr1_ready_o),
+ .eth_inp_data({wr2_flags, wr2_dat}), .eth_inp_valid(wr2_ready_i), .eth_inp_ready(wr2_ready_o),
+ .err_inp_data(tx_err_data), .err_inp_ready(tx_err_dst_rdy), .err_inp_valid(tx_err_src_rdy),
+
+ .ser_out_data({rd0_flags, rd0_dat}), .ser_out_valid(rd0_ready_o), .ser_out_ready(rd0_ready_i),
+ .dsp_out_data({rd1_flags, rd1_dat}), .dsp_out_valid(rd1_ready_o), .dsp_out_ready(rd1_ready_i),
+ .eth_out_data({rd2_flags, rd2_dat}), .eth_out_valid(rd2_ready_o), .eth_out_ready(rd2_ready_i)
+ );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // SPI -- Slave #2
+ spi_top shared_spi
+ (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.wb_adr_i(s2_adr[4:0]),.wb_dat_i(s2_dat_o),
+ .wb_dat_o(s2_dat_i),.wb_sel_i(s2_sel),.wb_we_i(s2_we),.wb_stb_i(s2_stb),
+ .wb_cyc_i(s2_cyc),.wb_ack_o(s2_ack),.wb_err_o(),.wb_int_o(spi_int),
+ .ss_pad_o({sen_adc, sen_tx_db,sen_tx_adc,sen_tx_dac,sen_rx_db,sen_rx_adc,sen_rx_dac,sen_dac,sen_clk}),
+ .sclk_pad_o(sclk),.mosi_pad_o(mosi),.miso_pad_i(miso) );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // I2C -- Slave #3
+ i2c_master_top #(.ARST_LVL(1))
+ i2c (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.arst_i(1'b0),
+ .wb_adr_i(s3_adr[4:2]),.wb_dat_i(s3_dat_o[7:0]),.wb_dat_o(s3_dat_i[7:0]),
+ .wb_we_i(s3_we),.wb_stb_i(s3_stb),.wb_cyc_i(s3_cyc),
+ .wb_ack_o(s3_ack),.wb_inta_o(i2c_int),
+ .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_pad_oen_o),
+ .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_pad_oen_o) );
+
+ assign s3_dat_i[31:8] = 24'd0;
+
+ // /////////////////////////////////////////////////////////////////////////
+ // GPIOs -- Slave #4
+ nsgpio nsgpio(.clk_i(wb_clk),.rst_i(wb_rst),
+ .cyc_i(s4_cyc),.stb_i(s4_stb),.adr_i(s4_adr[3:0]),.we_i(s4_we),
+ .dat_i(s4_dat_o),.dat_o(s4_dat_i),.ack_o(s4_ack),
+ .atr(atr_lines),.debug_0(debug_gpio_0),.debug_1(debug_gpio_1),
+ .gpio({io_tx,io_rx}) );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Buffer Pool Status -- Slave #5
+
+ reg [31:0] cycle_count;
+ always @(posedge wb_clk)
+ if(wb_rst)
+ cycle_count <= 0;
+ else
+ cycle_count <= cycle_count + 1;
+
+ //compatibility number -> increment when the fpga has been sufficiently altered
+ localparam compat_num = 32'd4;
+
+ wb_readback_mux buff_pool_status
+ (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb),
+ .wb_adr_i(s5_adr), .wb_dat_o(s5_dat_i), .wb_ack_o(s5_ack),
+
+ .word00(32'b0),.word01(32'b0),.word02(32'b0),.word03(32'b0),
+ .word04(32'b0),.word05(32'b0),.word06(32'b0),.word07(32'b0),
+ .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(vita_time[63:32]),
+ .word11(vita_time[31:0]),.word12(compat_num),.word13(irq),.word14(32'b0),.word15(cycle_count)
+ );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Ethernet MAC Slave #6
+
+ wire [18:0] rx_f19_data, tx_f19_data;
+ wire rx_f19_src_rdy, rx_f19_dst_rdy, tx_f19_src_rdy, tx_f19_dst_rdy;
+
+ simple_gemac_wrapper19 #(.RXFIFOSIZE(11), .TXFIFOSIZE(6)) simple_gemac_wrapper19
+ (.clk125(clk_to_mac), .reset(wb_rst),
+ .GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN),
+ .GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD),
+ .GMII_RX_CLK(GMII_RX_CLK), .GMII_RX_DV(GMII_RX_DV),
+ .GMII_RX_ER(GMII_RX_ER), .GMII_RXD(GMII_RXD),
+ .sys_clk(dsp_clk),
+ .rx_f19_data(rx_f19_data), .rx_f19_src_rdy(rx_f19_src_rdy), .rx_f19_dst_rdy(rx_f19_dst_rdy),
+ .tx_f19_data(tx_f19_data), .tx_f19_src_rdy(tx_f19_src_rdy), .tx_f19_dst_rdy(tx_f19_dst_rdy),
+ .wb_clk(wb_clk), .wb_rst(wb_rst), .wb_stb(s6_stb), .wb_cyc(s6_cyc), .wb_ack(s6_ack),
+ .wb_we(s6_we), .wb_adr(s6_adr), .wb_dat_i(s6_dat_o), .wb_dat_o(s6_dat_i),
+ .mdio(MDIO), .mdc(MDC),
+ .debug(debug_mac));
+
+ wire [35:0] rx_f36_data, tx_f36_data;
+ wire rx_f36_src_rdy, rx_f36_dst_rdy, tx_f36_src_rdy, tx_f36_dst_rdy;
+
+ wire [18:0] _rx_f19_data;
+ wire _rx_f19_src_rdy, _rx_f19_dst_rdy;
+
+ //mac rx to eth input...
+ fifo19_rxrealign fifo19_rxrealign
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ .datain(rx_f19_data), .src_rdy_i(rx_f19_src_rdy), .dst_rdy_o(rx_f19_dst_rdy),
+ .dataout(_rx_f19_data), .src_rdy_o(_rx_f19_src_rdy), .dst_rdy_i(_rx_f19_dst_rdy) );
+
+ fifo19_to_fifo36 eth_inp_fifo19_to_fifo36
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ .f19_datain(_rx_f19_data), .f19_src_rdy_i(_rx_f19_src_rdy), .f19_dst_rdy_o(_rx_f19_dst_rdy),
+ .f36_dataout(rx_f36_data), .f36_src_rdy_o(rx_f36_src_rdy), .f36_dst_rdy_i(rx_f36_dst_rdy) );
+
+ fifo_cascade #(.WIDTH(36), .SIZE(ETH_RX_FIFOSIZE)) rx_eth_fifo
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ .datain(rx_f36_data), .src_rdy_i(rx_f36_src_rdy), .dst_rdy_o(rx_f36_dst_rdy),
+ .dataout({wr2_flags,wr2_dat}), .src_rdy_o(wr2_ready_i), .dst_rdy_i(wr2_ready_o));
+
+ //eth output to mac tx...
+ fifo_cascade #(.WIDTH(36), .SIZE(ETH_TX_FIFOSIZE)) tx_eth_fifo
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ .datain({rd2_flags,rd2_dat}), .src_rdy_i(rd2_ready_o), .dst_rdy_o(rd2_ready_i),
+ .dataout(tx_f36_data), .src_rdy_o(tx_f36_src_rdy), .dst_rdy_i(tx_f36_dst_rdy));
+
+ fifo36_to_fifo19 eth_out_fifo36_to_fifo19
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(0),
+ .f36_datain(tx_f36_data), .f36_src_rdy_i(tx_f36_src_rdy), .f36_dst_rdy_o(tx_f36_dst_rdy),
+ .f19_dataout(tx_f19_data), .f19_src_rdy_o(tx_f19_src_rdy), .f19_dst_rdy_i(tx_f19_dst_rdy) );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Settings Bus -- Slave #7
+ settings_bus settings_bus
+ (.wb_clk(wb_clk),.wb_rst(wb_rst),.wb_adr_i(s7_adr),.wb_dat_i(s7_dat_o),
+ .wb_stb_i(s7_stb),.wb_we_i(s7_we),.wb_ack_o(s7_ack),
+ .strobe(set_stb),.addr(set_addr),.data(set_data));
+
+ assign s7_dat_i = 32'd0;
+
+ settings_bus_crossclock settings_bus_crossclock
+ (.clk_i(wb_clk), .rst_i(wb_rst), .set_stb_i(set_stb), .set_addr_i(set_addr), .set_data_i(set_data),
+ .clk_o(dsp_clk), .rst_o(dsp_rst), .set_stb_o(set_stb_dsp), .set_addr_o(set_addr_dsp), .set_data_o(set_data_dsp));
+
+ // Output control lines
+ wire [7:0] clock_outs, serdes_outs, adc_outs;
+ assign {clock_ready, clk_en[1:0], clk_sel[1:0]} = clock_outs[4:0];
+ assign {ser_enable, ser_prbsen, ser_loopen, ser_rx_en} = serdes_outs[3:0];
+ assign {adc_oe_a, adc_on_a, adc_oe_b, adc_on_b } = adc_outs[3:0];
+
+ wire phy_reset;
+ assign PHY_RESETn = ~phy_reset;
+
+ setting_reg #(.my_addr(0),.width(8)) sr_clk (.clk(wb_clk),.rst(wb_rst),.strobe(s7_ack),.addr(set_addr),
+ .in(set_data),.out(clock_outs),.changed());
+ setting_reg #(.my_addr(1),.width(8)) sr_ser (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
+ .in(set_data),.out(serdes_outs),.changed());
+ setting_reg #(.my_addr(2),.width(8)) sr_adc (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
+ .in(set_data),.out(adc_outs),.changed());
+ setting_reg #(.my_addr(4),.width(1)) sr_phy (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
+ .in(set_data),.out(phy_reset),.changed());
+ setting_reg #(.my_addr(5),.width(1)) sr_bldr (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
+ .in(set_data),.out(bldr_done),.changed());
+
+ // /////////////////////////////////////////////////////////////////////////
+ // LEDS
+ // register 8 determines whether leds are controlled by SW or not
+ // 1 = controlled by HW, 0 = by SW
+ // In Rev3 there are only 6 leds, and the highest one is on the ETH connector
+
+ wire [7:0] led_src, led_sw;
+ wire [7:0] led_hw = {run_tx, run_rx, clk_status, serdes_link_up, 1'b0};
+
+ setting_reg #(.my_addr(3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
+ .in(set_data),.out(led_sw),.changed());
+
+ setting_reg #(.my_addr(8),.width(8), .at_reset(8'b0001_1110))
+ sr_led_src (.clk(wb_clk),.rst(wb_rst), .strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_src),.changed());
+
+ assign leds = (led_src & led_hw) | (~led_src & led_sw);
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Interrupt Controller, Slave #8
+
+ // Pass interrupts on dsp_clk to wb_clk. These need edge triggering in the pic
+ wire underrun_wb, overrun_wb, pps_wb;
+
+ oneshot_2clk underrun_1s (.clk_in(dsp_clk), .in(underrun), .clk_out(wb_clk), .out(underrun_wb));
+ oneshot_2clk overrun_1s (.clk_in(dsp_clk), .in(overrun), .clk_out(wb_clk), .out(overrun_wb));
+ oneshot_2clk pps_1s (.clk_in(dsp_clk), .in(pps_int), .clk_out(wb_clk), .out(pps_wb));
+
+ assign irq= {{8'b0},
+ {uart_tx_int[3:0], uart_rx_int[3:0]},
+ {2'b0, button, periodic_int, clk_status, serdes_link_up, 2'b00},
+ {pps_wb,overrun_wb,underrun_wb,PHY_INTn,i2c_int,spi_int,onetime_int,buffer_int}};
+
+ pic pic(.clk_i(wb_clk),.rst_i(wb_rst),.cyc_i(s8_cyc),.stb_i(s8_stb),.adr_i(s8_adr[4:2]),
+ .we_i(s8_we),.dat_i(s8_dat_o),.dat_o(s8_dat_i),.ack_o(s8_ack),.int_o(proc_int),
+ .irq(irq) );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Master Timer, Slave #9
+
+ // No longer used, replaced with simple_timer below
+ assign s9_ack = 0;
+
+ // /////////////////////////////////////////////////////////////////////////
+ // Simple Timer interrupts
+
+ simple_timer #(.BASE(SR_SIMTIMER)) simple_timer
+ (.clk(wb_clk), .reset(wb_rst),
+ .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
+ .onetime_int(onetime_int), .periodic_int(periodic_int));
+
+ // /////////////////////////////////////////////////////////////////////////
+ // UART, Slave #10
+
+ quad_uart #(.TXDEPTH(3),.RXDEPTH(3)) uart // depth of 3 is 128 entries
+ (.clk_i(wb_clk),.rst_i(wb_rst),
+ .we_i(sa_we),.stb_i(sa_stb),.cyc_i(sa_cyc),.ack_o(sa_ack),
+ .adr_i(sa_adr[6:2]),.dat_i(sa_dat_o),.dat_o(sa_dat_i),
+ .rx_int_o(uart_rx_int),.tx_int_o(uart_tx_int),
+ .tx_o(uart_tx_o),.rx_i(uart_rx_i),.baud_o(uart_baud_o));
+
+ // /////////////////////////////////////////////////////////////////////////
+ // ATR Controller, Slave #11
+
+ reg run_rx_d1;
+ always @(posedge dsp_clk)
+ run_rx_d1 <= run_rx;
+
+ atr_controller atr_controller
+ (.clk_i(wb_clk),.rst_i(wb_rst),
+ .adr_i(sb_adr[5:0]),.sel_i(sb_sel),.dat_i(sb_dat_o),.dat_o(sb_dat_i),
+ .we_i(sb_we),.stb_i(sb_stb),.cyc_i(sb_cyc),.ack_o(sb_ack),
+ .run_rx(run_rx_d1),.run_tx(run_tx),.ctrl_lines(atr_lines) );
+
+ // //////////////////////////////////////////////////////////////////////////
+ // Time Sync, Slave #12
+
+ // No longer used, see time_64bit. Still need to handle mimo time, though
+ assign sc_ack = 0;
+
+ // /////////////////////////////////////////////////////////////////////////
+ // ICAP for reprogramming the FPGA, Slave #13 (D)
+
+ s3a_icap_wb s3a_icap_wb
+ (.clk(wb_clk), .reset(wb_rst), .cyc_i(sd_cyc), .stb_i(sd_stb),
+ .we_i(sd_we), .ack_o(sd_ack), .dat_i(sd_dat_o), .dat_o(sd_dat_i));
+
+ // /////////////////////////////////////////////////////////////////////////
+ // SPI for Flash -- Slave #14 (E)
+ spi_top flash_spi
+ (.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),.wb_adr_i(se_adr[4:0]),.wb_dat_i(se_dat_o),
+ .wb_dat_o(se_dat_i),.wb_sel_i(se_sel),.wb_we_i(se_we),.wb_stb_i(se_stb),
+ .wb_cyc_i(se_cyc),.wb_ack_o(se_ack),.wb_err_o(se_err),.wb_int_o(spiflash_int),
+ .ss_pad_o(spiflash_cs),
+ .sclk_pad_o(spiflash_clk),.mosi_pad_o(spiflash_mosi),.miso_pad_i(spiflash_miso) );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // DSP RX
+ wire [31:0] sample_rx, sample_tx;
+ wire strobe_rx, strobe_tx;
+ wire rx_dst_rdy, rx_src_rdy, rx1_dst_rdy, rx1_src_rdy;
+ wire [99:0] rx_data;
+ wire [35:0] rx1_data;
+
+ dsp_core_rx #(.BASE(SR_RX_DSP)) dsp_core_rx
+ (.clk(dsp_clk),.rst(dsp_rst),
+ .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+ .adc_a(adc_a),.adc_ovf_a(adc_ovf_a),.adc_b(adc_b),.adc_ovf_b(adc_ovf_b),
+ .sample(sample_rx), .run(run_rx_d1), .strobe(strobe_rx),
+ .debug(debug_rx_dsp) );
+
+ wire [31:0] vrc_debug;
+ wire clear_rx;
+
+ setting_reg #(.my_addr(SR_RX_CTRL+3)) sr_clear
+ (.clk(dsp_clk),.rst(dsp_rst),
+ .strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),
+ .out(),.changed(clear_rx));
+
+ vita_rx_control #(.BASE(SR_RX_CTRL), .WIDTH(32)) vita_rx_control
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx),
+ .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+ .vita_time(vita_time), .overrun(overrun),
+ .sample(sample_rx), .run(run_rx), .strobe(strobe_rx),
+ .sample_fifo_o(rx_data), .sample_fifo_dst_rdy_i(rx_dst_rdy), .sample_fifo_src_rdy_o(rx_src_rdy),
+ .debug_rx(vrc_debug));
+
+ wire [3:0] vita_state;
+
+ vita_rx_framer #(.BASE(SR_RX_CTRL), .MAXCHAN(1)) vita_rx_framer
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx),
+ .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+ .sample_fifo_i(rx_data), .sample_fifo_dst_rdy_o(rx_dst_rdy), .sample_fifo_src_rdy_i(rx_src_rdy),
+ .data_o(rx1_data), .dst_rdy_i(rx1_dst_rdy), .src_rdy_o(rx1_src_rdy),
+ .fifo_occupied(), .fifo_full(), .fifo_empty(),
+ .debug_rx(vita_state) );
+
+ fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade
+ (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx),
+ .datain(rx1_data), .src_rdy_i(rx1_src_rdy), .dst_rdy_o(rx1_dst_rdy),
+ .dataout({wr1_flags,wr1_dat}), .src_rdy_o(wr1_ready_i), .dst_rdy_i(wr1_ready_o));
+
+ // ///////////////////////////////////////////////////////////////////////////////////
+ // DSP TX
+
+ wire [35:0] tx_data;
+ wire tx_src_rdy, tx_dst_rdy;
+ wire [31:0] debug_vt;
+ wire clear_tx;
+
+ setting_reg #(.my_addr(SR_TX_CTRL+1)) sr_clear_tx
+ (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr),
+ .in(set_data),.out(),.changed(clear_tx));
+
+ assign RAM_A[20:18] = 3'b0;
+
+ ext_fifo #(.EXT_WIDTH(36),.INT_WIDTH(36),.RAM_DEPTH(18),.FIFO_DEPTH(18))
+ ext_fifo_i1
+ (.int_clk(dsp_clk),
+ .ext_clk(dsp_clk),
+ .rst(dsp_rst | clear_tx),
+ .RAM_D_pi(RAM_D_pi),
+ .RAM_D_po(RAM_D_po),
+ .RAM_D_poe(RAM_D_poe),
+ .RAM_A(RAM_A[17:0]),
+ .RAM_WEn(RAM_WEn),
+ .RAM_CENn(RAM_CENn),
+ .RAM_LDn(RAM_LDn),
+ .RAM_OEn(RAM_OEn),
+ .RAM_CE1n(RAM_CE1n),
+ .datain({rd1_flags[3:2],rd1_dat[31:16],rd1_flags[1:0],rd1_dat[15:0]}),
+ .src_rdy_i(rd1_ready_o),
+ .dst_rdy_o(rd1_ready_i),
+ .dataout({tx_data[35:34],tx_data[31:16],tx_data[33:32],tx_data[15:0]}),
+ .src_rdy_o(tx_src_rdy),
+ .dst_rdy_i(tx_dst_rdy),
+ .debug(debug_extfifo),
+ .debug2(debug_extfifo2) );
+
+ vita_tx_chain #(.BASE_CTRL(SR_TX_CTRL), .BASE_DSP(SR_TX_DSP),
+ .REPORT_ERROR(1), .DO_FLOW_CONTROL(1),
+ .PROT_ENG_FLAGS(1), .USE_TRANS_HEADER(1),
+ .DSP_NUMBER(0))
+ vita_tx_chain
+ (.clk(dsp_clk), .reset(dsp_rst),
+ .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+ .vita_time(vita_time),
+ .tx_data_i(tx_data), .tx_src_rdy_i(tx_src_rdy), .tx_dst_rdy_o(tx_dst_rdy),
+ .err_data_o(tx_err_data), .err_src_rdy_o(tx_err_src_rdy), .err_dst_rdy_i(tx_err_dst_rdy),
+ .dac_a(dac_a),.dac_b(dac_b),
+ .underrun(underrun), .run(run_tx),
+ .debug(debug_vt));
+
+ assign dsp_rst = wb_rst;
+
+ // ///////////////////////////////////////////////////////////////////////////////////
+ // SERDES
+
+ serdes #(.TXFIFOSIZE(SERDES_TX_FIFOSIZE),.RXFIFOSIZE(SERDES_RX_FIFOSIZE)) serdes
+ (.clk(dsp_clk),.rst(dsp_rst),
+ .ser_tx_clk(ser_tx_clk),.ser_t(ser_t),.ser_tklsb(ser_tklsb),.ser_tkmsb(ser_tkmsb),
+ .rd_dat_i(rd0_dat),.rd_flags_i(rd0_flags),.rd_ready_o(rd0_ready_i),.rd_ready_i(rd0_ready_o),
+ .ser_rx_clk(ser_rx_clk),.ser_r(ser_r),.ser_rklsb(ser_rklsb),.ser_rkmsb(ser_rkmsb),
+ .wr_dat_o(wr0_dat),.wr_flags_o(wr0_flags),.wr_ready_o(wr0_ready_i),.wr_ready_i(wr0_ready_o),
+ .tx_occupied(ser_tx_occ),.tx_full(ser_tx_full),.tx_empty(ser_tx_empty),
+ .rx_occupied(ser_rx_occ),.rx_full(ser_rx_full),.rx_empty(ser_rx_empty),
+ .serdes_link_up(serdes_link_up),.debug0(debug_serdes0), .debug1(debug_serdes1) );
+
+ // /////////////////////////////////////////////////////////////////////////
+ // VITA Timing
+
+ time_64bit #(.TICKS_PER_SEC(32'd100000000),.BASE(SR_TIME64)) time_64bit
+ (.clk(dsp_clk), .rst(dsp_rst), .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp),
+ .pps(pps_in), .vita_time(vita_time), .pps_int(pps_int),
+ .exp_time_in(exp_time_in), .exp_time_out(exp_time_out));
+
+ // /////////////////////////////////////////////////////////////////////////////////////////
+ // Debug Pins
+
+ assign debug_clk = 2'b00; // {dsp_clk, clk_to_mac};
+ assign debug = 32'd0; // debug_extfifo;
+ assign debug_gpio_0 = 32'd0;
+ assign debug_gpio_1 = 32'd0;
+
+endmodule // u2_core