diff options
Diffstat (limited to 'usrp2/top/E1x0/u1e.v')
-rw-r--r-- | usrp2/top/E1x0/u1e.v | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/usrp2/top/E1x0/u1e.v b/usrp2/top/E1x0/u1e.v deleted file mode 100644 index dbd6173f3..000000000 --- a/usrp2/top/E1x0/u1e.v +++ /dev/null @@ -1,166 +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 u1e - (input CLK_FPGA_P, input CLK_FPGA_N, // Diff - output [3:0] debug_led, output [31:0] debug, output [1:0] debug_clk, - input debug_pb, 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_NCS5, 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 - - input cgen_st_status, input cgen_st_ld, input cgen_st_refmon, output cgen_sync_b, output cgen_ref_sel, - input overo_gpio65, input overo_gpio128, input overo_gpio145, output overo_gpio147, //aux SPI - - output overo_gpio144, output overo_gpio146, // Fifo controls - input overo_gpio0, input overo_gpio14, input overo_gpio21, input overo_gpio22, // Misc GPIO - input overo_gpio23, input overo_gpio64, input overo_gpio127, // Misc GPIO - input overo_gpio176, input overo_gpio163, input overo_gpio170, // Misc GPIO - - inout [15:0] io_tx, inout [15:0] io_rx, - - output [13:0] TX, output TXSYNC, output TXBLANK, - input [11:0] DA, input [11:0] DB, input RXSYNC, - - input PPS_IN - ); - - // ///////////////////////////////////////////////////////////////////////// - // Clocking - wire clk_fpga, clk_fpga_in; - - IBUFGDS #(.IOSTANDARD("LVDS_33"), .DIFF_TERM("TRUE")) - clk_fpga_pin (.O(clk_fpga_in),.I(CLK_FPGA_P),.IB(CLK_FPGA_N)); - - wire clk_2x, dcm_rst, dcm_locked, clk_fb; - DCM #(.CLK_FEEDBACK ( "1X" ), - .CLKDV_DIVIDE ( 2 ), - .CLKFX_DIVIDE ( 2 ), - .CLKFX_MULTIPLY ( 2 ), - .CLKIN_DIVIDE_BY_2 ( "FALSE" ), - .CLKIN_PERIOD ( 15.625 ), - .CLKOUT_PHASE_SHIFT ( "NONE" ), - .DESKEW_ADJUST ( "SYSTEM_SYNCHRONOUS" ), - .DFS_FREQUENCY_MODE ( "LOW" ), - .DLL_FREQUENCY_MODE ( "LOW" ), - .DUTY_CYCLE_CORRECTION ( "TRUE" ), - .FACTORY_JF ( 16'h8080 ), - .PHASE_SHIFT ( 0 ), - .STARTUP_WAIT ( "FALSE" )) - clk_doubler (.CLKFB(clk_fb), .CLKIN(clk_fpga_in), .RST(dcm_rst), - .DSSEN(0), .PSCLK(0), .PSEN(0), .PSINCDEC(0), .PSDONE(), - .CLKDV(), .CLKFX(), .CLKFX180(), - .CLK2X(), .CLK2X180(), - .CLK0(clk_fb), .CLK90(clk_fpga), .CLK180(), .CLK270(), - .LOCKED(dcm_locked), .STATUS()); - - // ///////////////////////////////////////////////////////////////////////// - // SPI - 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; //replaced by aux spi - assign miso = (~db_sen_tx & db_miso_tx) | (~db_sen_rx & db_miso_rx) | - (~sen_codec & miso_codec) | (~cgen_sen_b & cgen_miso); - - //assign the aux spi to the cgen (bypasses wishbone) - assign cgen_sclk = overo_gpio65; - assign cgen_sen_b = overo_gpio128; - assign cgen_mosi = overo_gpio145; - wire proc_int; //re-purpose gpio for interrupt when we are not using aux spi - assign overo_gpio147 = (cgen_sen_b == 1'b0)? cgen_miso : proc_int; - - wire _cgen_sen_b; - //assign cgen_sen_b = _cgen_sen_b; //replaced by aux spi - - // ///////////////////////////////////////////////////////////////////////// - // TX DAC -- handle the interleaved data bus to DAC, with clock doubling DLL - - assign TXBLANK = 0; - wire [13:0] tx_i, tx_q; - - reg[13:0] delay_q; - always @(posedge clk_fpga) - delay_q <= 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(TX[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(delay_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 - - // ///////////////////////////////////////////////////////////////////////// - // Main U1E Core - u1e_core u1e_core(.clk_fpga(clk_fpga), .rst_fpga(~debug_pb), - .debug_led(debug_led), .debug(debug), .debug_clk(debug_clk), - .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_NCS5(EM_NCS5), - .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), - .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), - .tx_have_space(overo_gpio144), - .rx_have_data(overo_gpio146), - .io_tx(io_tx), .io_rx(io_rx), - .tx_i(tx_i), .tx_q(tx_q), - .rx_i(DA), .rx_q(DB), - .pps_in(PPS_IN), .proc_int(proc_int) ); - - // ///////////////////////////////////////////////////////////////////////// - // Local Debug - // assign debug_clk = {clk_fpga, clk_2x }; - // assign debug = { TXSYNC, TXBLANK, TX }; - -endmodule // u1e |