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-rw-r--r--usrp2/top/u1e/u1e.v51
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diff --git a/usrp2/top/u1e/u1e.v b/usrp2/top/u1e/u1e.v
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+`timescale 1ns / 1ps
+//////////////////////////////////////////////////////////////////////////////////
+
+module u1e
+ (input CLK_FPGA_P, input CLK_FPGA_N, // Diff
+ output [2:0] debug_led, output [31:0] debug, output [1:0] debug_clk,
+ input [2:0] debug_pb, input [7:0] dip_sw, output FPGA_TXD, input FPGA_RXD,
+
+ // GPMC
+ input EM_CLK, inout [15:0] EM_D, input [10:1] EM_A, input [1:0] EM_NBE,
+ input EM_WAIT0, input EM_NCS4, input EM_NCS6, input EM_NWE, input EM_NOE,
+
+ inout db_sda, inout db_scl, // I2C
+
+ output db_sclk_tx, output db_sen_tx, output db_mosi_tx, input db_miso_tx, // DB TX SPI
+ output db_sclk_rx, output db_sen_rx, output db_mosi_rx, input db_miso_rx, // DB TX SPI
+ output sclk_codec, output sen_codec, output mosi_codec, input miso_codec, // AD9862 main SPI
+ output cgen_sclk, output cgen_sen_b, output cgen_mosi, input cgen_miso, // Clock gen SPI
+
+ output overo_gpio144, output overo_gpio145, output overo_gpio146, output overo_gpio147, // Fifo controls
+ inout [15:0] io_tx, inout [15:0] io_rx
+ );
+
+ // FPGA-specific pins connections
+ wire clk_fpga;
+
+ IBUFGDS #(.IOSTANDARD("LVDS_33"), .DIFF_TERM("TRUE"))
+ clk_fpga_pin (.O(clk_fpga),.I(CLK_FPGA_P),.IB(CLK_FPGA_N));
+
+ // SPI pins
+ wire mosi, sclk, miso;
+ assign { db_sclk_tx, db_mosi_tx } = ~db_sen_tx ? {sclk,mosi} : 2'b0;
+ assign { db_sclk_rx, db_mosi_rx } = ~db_sen_rx ? {sclk,mosi} : 2'b0;
+ assign { sclk_codec, mosi_codec } = ~sen_codec ? {sclk,mosi} : 2'b0;
+ assign { cgen_sclk, cgen_mosi } = ~cgen_sen_b ? {sclk,mosi} : 2'b0;
+ assign miso = (~db_sen_tx & db_miso_tx) | (~db_sen_rx & db_miso_rx) |
+ (~sen_codec & miso_codec) | (~cgen_sen_b & cgen_miso);
+
+ u1e_core u1e_core(.clk_fpga(clk_fpga), .rst_fpga(~debug_pb[2]),
+ .debug_led(debug_led), .debug(debug), .debug_clk(debug_clk),
+ .debug_pb(~debug_pb), .dip_sw(dip_sw), .debug_txd(FPGA_TXD), .debug_rxd(FPGA_RXD),
+ .EM_CLK(EM_CLK), .EM_D(EM_D), .EM_A(EM_A), .EM_NBE(EM_NBE),
+ .EM_WAIT0(EM_WAIT0), .EM_NCS4(EM_NCS4), .EM_NCS6(EM_NCS6),
+ .EM_NWE(EM_NWE), .EM_NOE(EM_NOE),
+ .db_sda(db_sda), .db_scl(db_scl),
+ .sclk(sclk), .sen({cgen_sen_b,sen_codec,db_sen_tx,db_sen_rx}), .mosi(mosi), .miso(miso),
+ .tx_have_space(overo_gpio144), .tx_underrun(overo_gpio145),
+ .rx_have_data(overo_gpio146), .rx_overrun(overo_gpio147),
+ .io_tx(io_tx), .io_rx(io_rx) );
+
+endmodule // u1e