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Diffstat (limited to 'fpga/usrp2/top/B100/u1plus.v')
-rw-r--r-- | fpga/usrp2/top/B100/u1plus.v | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/fpga/usrp2/top/B100/u1plus.v b/fpga/usrp2/top/B100/u1plus.v deleted file mode 100644 index 5e3200580..000000000 --- a/fpga/usrp2/top/B100/u1plus.v +++ /dev/null @@ -1,173 +0,0 @@ -// -// Copyright 2011 Ettus Research LLC -// -// This program 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 of the License, or -// (at your option) any later version. -// -// This program 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 this program. If not, see <http://www.gnu.org/licenses/>. -// - -`timescale 1ns / 1ps -////////////////////////////////////////////////////////////////////////////////// - -module u1plus - (input CLK_FPGA_P, input CLK_FPGA_N, // Diff - output [2:0] debug_led, output [31:0] debug, output [1:0] debug_clk, - output FPGA_TXD, input FPGA_RXD, - - // GPIF - inout [15:0] GPIF_D, input [3:0] GPIF_CTL, output [3:0] GPIF_RDY, - output FX2_PA7_FLAGD, output FX2_PA6_PKTEND, output FX2_PA2_SLOE, - input IFCLK, - - inout SDA_FPGA, inout SCL_FPGA, // I2C - - output SCLK_TX_DB, output SEN_TX_DB, output MOSI_TX_DB, input MISO_TX_DB, // DB TX SPI - output SCLK_RX_DB, output SEN_RX_DB, output MOSI_RX_DB, input MISO_RX_DB, // DB TX SPI - output SCLK_CODEC, output SEN_CODEC, output MOSI_CODEC, input MISO_CODEC, // AD9862 main SPI - - input cgen_st_status, input cgen_st_ld, input cgen_st_refmon, output cgen_sync_b, output cgen_ref_sel, - - inout [15:0] io_tx, inout [15:0] io_rx, - - output [13:0] dac, output TXSYNC, output TXBLANK, - input [11:0] adc, input RXSYNC, - - input PPS_IN, - input reset_n, output reset_codec - ); - - assign reset_codec = 1; // Believed to be active low - - // ///////////////////////////////////////////////////////////////////////// - // Clocking - wire clk_fpga, clk_fpga_in, reset; - - IBUFGDS #(.IOSTANDARD("LVDS_33"), .DIFF_TERM("TRUE")) - clk_fpga_pin (.O(clk_fpga_in),.I(CLK_FPGA_P),.IB(CLK_FPGA_N)); - - BUFG clk_fpga_BUFG (.I(clk_fpga_in), .O(clk_fpga)); - - reset_sync reset_sync(.clk(clk_fpga), .reset_in(~reset_n), .reset_out(reset)); - - // ///////////////////////////////////////////////////////////////////////// - // SPI - wire mosi, sclk, miso; - assign { SCLK_TX_DB, MOSI_TX_DB } = ~SEN_TX_DB ? {sclk,mosi} : 2'b0; - assign { SCLK_RX_DB, MOSI_RX_DB } = ~SEN_RX_DB ? {sclk,mosi} : 2'b0; - assign { SCLK_CODEC, MOSI_CODEC } = ~SEN_CODEC ? {sclk,mosi} : 2'b0; - assign miso = (~SEN_TX_DB & MISO_TX_DB) | (~SEN_RX_DB & MISO_RX_DB) | - (~SEN_CODEC & MISO_CODEC); - - // ///////////////////////////////////////////////////////////////////////// - // TX DAC -- handle the interleaved data bus to DAC, with clock doubling DLL - - assign TXBLANK = 0; - wire [13:0] tx_i, tx_q; - - genvar i; - generate - for(i=0;i<14;i=i+1) - begin : gen_dacout - ODDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" - .INIT(1'b0), // Sets initial state of the Q output to 1'b0 or 1'b1 - .SRTYPE("SYNC")) // Specifies "SYNC" or "ASYNC" set/reset - ODDR2_inst (.Q(dac[i]), // 1-bit DDR output data - .C0(clk_fpga), // 1-bit clock input - .C1(~clk_fpga), // 1-bit clock input - .CE(1'b1), // 1-bit clock enable input - .D0(tx_i[i]), // 1-bit data input (associated with C0) - .D1(tx_q[i]), // 1-bit data input (associated with C1) - .R(1'b0), // 1-bit reset input - .S(1'b0)); // 1-bit set input - end // block: gen_dacout - endgenerate - ODDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" - .INIT(1'b0), // Sets initial state of the Q output to 1'b0 or 1'b1 - .SRTYPE("SYNC")) // Specifies "SYNC" or "ASYNC" set/reset - ODDR2_txsnc (.Q(TXSYNC), // 1-bit DDR output data - .C0(clk_fpga), // 1-bit clock input - .C1(~clk_fpga), // 1-bit clock input - .CE(1'b1), // 1-bit clock enable input - .D0(1'b0), // 1-bit data input (associated with C0) - .D1(1'b1), // 1-bit data input (associated with C1) - .R(1'b0), // 1-bit reset input - .S(1'b0)); // 1-bit set input - - // ///////////////////////////////////////////////////////////////////////// - // RX ADC -- handles deinterleaving - - reg [11:0] rx_i, rx_q; - wire [11:0] rx_a, rx_b; - - genvar j; - generate - for(j=0;j<12;j=j+1) - begin : gen_adcin - IDDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" - .INIT_Q0(1'b0), // Sets initial state of the Q0 output to 1’b0 or 1’b1 - .INIT_Q1(1'b0), // Sets initial state of the Q1 output to 1’b0 or 1’b1 - .SRTYPE("SYNC")) // Specifies "SYNC" or "ASYNC" set/reset - IDDR2_inst (.Q0(rx_a[j]), // 1-bit output captured with C0 clock - .Q1(rx_b[j]), // 1-bit output captured with C1 clock - .C0(clk_fpga), // 1-bit clock input - .C1(~clk_fpga), // 1-bit clock input - .CE(1'b1), // 1-bit clock enable input - .D(adc[j]), // 1-bit DDR data input - .R(1'b0), // 1-bit reset input - .S(1'b0)); // 1-bit set input - end // block: gen_adcin - endgenerate - - IDDR2 #(.DDR_ALIGNMENT("NONE"), // Sets output alignment to "NONE", "C0" or "C1" - .INIT_Q0(1'b0), // Sets initial state of the Q0 output to 1’b0 or 1’b1 - .INIT_Q1(1'b0), // Sets initial state of the Q1 output to 1’b0 or 1’b1 - .SRTYPE("SYNC")) // Specifies "SYNC" or "ASYNC" set/reset - IDDR2_sync (.Q0(rxsync_0), // 1-bit output captured with C0 clock - .Q1(rxsync_1), // 1-bit output captured with C1 clock - .C0(clk_fpga), // 1-bit clock input - .C1(~clk_fpga), // 1-bit clock input - .CE(1'b1), // 1-bit clock enable input - .D(RXSYNC), // 1-bit DDR data input - .R(1'b0), // 1-bit reset input - .S(1'b0)); // 1-bit set input - - always @(posedge clk_fpga) - if(rxsync_0) - begin - rx_i <= rx_b; - rx_q <= rx_a; - end - else - begin - rx_i <= rx_a; - rx_q <= rx_b; - end - - // ///////////////////////////////////////////////////////////////////////// - // Main U1E Core - u1plus_core u1p_c(.clk_fpga(clk_fpga), .rst_fpga(reset), - .debug_led(debug_led), .debug(debug), .debug_clk(debug_clk), - .debug_txd(FPGA_TXD), .debug_rxd(FPGA_RXD), - .gpif_d(GPIF_D), .gpif_ctl(GPIF_CTL), .gpif_rdy(GPIF_RDY), - .gpif_misc({FX2_PA7_FLAGD,FX2_PA6_PKTEND,FX2_PA2_SLOE}), - .gpif_clk(IFCLK), - - .db_sda(SDA_FPGA), .db_scl(SCL_FPGA), - .sclk(sclk), .sen({SEN_CODEC,SEN_TX_DB,SEN_RX_DB}), .mosi(mosi), .miso(miso), - .cgen_st_status(cgen_st_status), .cgen_st_ld(cgen_st_ld),.cgen_st_refmon(cgen_st_refmon), - .cgen_sync_b(cgen_sync_b), .cgen_ref_sel(cgen_ref_sel), - .io_tx(io_tx), .io_rx(io_rx), - .tx_i(tx_i), .tx_q(tx_q), - .rx_i(rx_i), .rx_q(rx_q), - .pps_in(PPS_IN) ); - -endmodule // u1plus |