// *************************************************************************** // *************************************************************************** // Copyright 2011(c) Analog Devices, Inc. // // All rights reserved. // // Redistribution and use in source and binary forms, with or without modification, // are permitted provided that the following conditions are met: // - Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // - Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in // the documentation and/or other materials provided with the // distribution. // - Neither the name of Analog Devices, Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // - The use of this software may or may not infringe the patent rights // of one or more patent holders. This license does not release you // from the requirement that you obtain separate licenses from these // patent holders to use this software. // - Use of the software either in source or binary form, must be run // on or directly connected to an Analog Devices Inc. component. // // THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, // INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A // PARTICULAR PURPOSE ARE DISCLAIMED. // // IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY // RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // *************************************************************************** // *************************************************************************** // *************************************************************************** // *************************************************************************** `timescale 1ns/100ps module system_top ( sys_clk_p, sys_clk_n, DDR3_addr, DDR3_ba, DDR3_cas_n, DDR3_ck_n, DDR3_ck_p, DDR3_cke, DDR3_cs_n, DDR3_dm, DDR3_dq, DDR3_dqs_n, DDR3_dqs_p, DDR3_odt, DDR3_ras_n, DDR3_reset_n, DDR3_we_n, DDR_addr, DDR_ba, DDR_cas_n, DDR_ck_n, DDR_ck_p, DDR_cke, DDR_cs_n, DDR_dm, DDR_dq, DDR_dqs_n, DDR_dqs_p, DDR_odt, DDR_ras_n, DDR_reset_n, DDR_we_n, FIXED_IO_ddr_vrn, FIXED_IO_ddr_vrp, FIXED_IO_mio, FIXED_IO_ps_clk, FIXED_IO_ps_porb, FIXED_IO_ps_srstb, gpio_bd, hdmi_out_clk, hdmi_vsync, hdmi_hsync, hdmi_data_e, hdmi_data, spdif, iic_scl, iic_sda, rx_ref_clk_p, rx_ref_clk_n, rx_sysref_p, rx_sysref_n, rx_sync_p, rx_sync_n, rx_data_p, rx_data_n, tx_ref_clk_p, tx_ref_clk_n, tx_sysref_p, tx_sysref_n, tx_sync_p, tx_sync_n, tx_data_p, tx_data_n, trig_p, trig_n, adc_fdb, adc_fda, dac_irq, clkd_status, adc_pd, dac_txen, dac_reset, clkd_sync, spi_csn_clk, spi_csn_dac, spi_csn_adc, spi_clk, spi_sdio, spi_dir); input sys_clk_p; input sys_clk_n; output [13:0] DDR3_addr; output [ 2:0] DDR3_ba; output DDR3_cas_n; output [ 0:0] DDR3_ck_n; output [ 0:0] DDR3_ck_p; output [ 0:0] DDR3_cke; output [ 0:0] DDR3_cs_n; output [ 7:0] DDR3_dm; inout [63:0] DDR3_dq; inout [ 7:0] DDR3_dqs_n; inout [ 7:0] DDR3_dqs_p; output [ 0:0] DDR3_odt; output DDR3_ras_n; output DDR3_reset_n; output DDR3_we_n; inout [14:0] DDR_addr; inout [ 2:0] DDR_ba; inout DDR_cas_n; inout DDR_ck_n; inout DDR_ck_p; inout DDR_cke; inout DDR_cs_n; inout [ 3:0] DDR_dm; inout [31:0] DDR_dq; inout [ 3:0] DDR_dqs_n; inout [ 3:0] DDR_dqs_p; inout DDR_odt; inout DDR_ras_n; inout DDR_reset_n; inout DDR_we_n; inout FIXED_IO_ddr_vrn; inout FIXED_IO_ddr_vrp; inout [53:0] FIXED_IO_mio; inout FIXED_IO_ps_clk; inout FIXED_IO_ps_porb; inout FIXED_IO_ps_srstb; inout [14:0] gpio_bd; output hdmi_out_clk; output hdmi_vsync; output hdmi_hsync; output hdmi_data_e; output [23:0] hdmi_data; output spdif; inout iic_scl; inout iic_sda; input rx_ref_clk_p; input rx_ref_clk_n; input rx_sysref_p; input rx_sysref_n; output rx_sync_p; output rx_sync_n; input [ 3:0] rx_data_p; input [ 3:0] rx_data_n; input tx_ref_clk_p; input tx_ref_clk_n; input tx_sysref_p; input tx_sysref_n; input tx_sync_p; input tx_sync_n; output [ 3:0] tx_data_p; output [ 3:0] tx_data_n; input trig_p; input trig_n; inout adc_fdb; inout adc_fda; inout dac_irq; inout [ 1:0] clkd_status; inout adc_pd; inout dac_txen; inout dac_reset; inout clkd_sync; output spi_csn_clk; output spi_csn_dac; output spi_csn_adc; output spi_clk; inout spi_sdio; output spi_dir; // internal registers reg dac_drd = 'd0; reg [63:0] dac_ddata_0 = 'd0; reg [63:0] dac_ddata_1 = 'd0; reg [63:0] dac_ddata_2 = 'd0; reg [63:0] dac_ddata_3 = 'd0; reg adc_dsync = 'd0; reg adc_dwr = 'd0; reg [127:0] adc_ddata = 'd0; // internal signals wire trig; wire [43:0] gpio_i; wire [43:0] gpio_o; wire [43:0] gpio_t; wire rx_ref_clk; wire rx_sysref; wire rx_sync; wire tx_ref_clk; wire tx_sysref; wire tx_sync; wire [ 2:0] spi_csn; wire spi_mosi; wire spi_miso; wire dac_clk; wire [127:0] dac_ddata; wire dac_enable_0; wire dac_enable_1; wire dac_enable_2; wire dac_enable_3; wire dac_valid_0; wire dac_valid_1; wire dac_valid_2; wire dac_valid_3; wire adc_clk; wire [63:0] adc_data_0; wire [63:0] adc_data_1; wire adc_enable_0; wire adc_enable_1; wire adc_valid_0; wire adc_valid_1; // adc-dac data always @(posedge dac_clk) begin case ({dac_enable_1, dac_enable_0}) 2'b11: begin dac_drd <= dac_valid_0 & dac_valid_1; dac_ddata_0[63:48] <= dac_ddata[111: 96]; dac_ddata_0[47:32] <= dac_ddata[ 79: 64]; dac_ddata_0[31:16] <= dac_ddata[ 47: 32]; dac_ddata_0[15: 0] <= dac_ddata[ 15: 0]; dac_ddata_1[63:48] <= dac_ddata[127:112]; dac_ddata_1[47:32] <= dac_ddata[ 95: 80]; dac_ddata_1[31:16] <= dac_ddata[ 63: 48]; dac_ddata_1[15: 0] <= dac_ddata[ 31: 16]; dac_ddata_2 <= 64'd0; dac_ddata_3 <= 64'd0; end 2'b10: begin dac_drd <= dac_valid_1 & ~dac_drd; dac_ddata_0 <= 64'd0; if (dac_drd == 1'b1) begin dac_ddata_1[63:48] <= dac_ddata[127:112]; dac_ddata_1[47:32] <= dac_ddata[111: 96]; dac_ddata_1[31:16] <= dac_ddata[ 95: 80]; dac_ddata_1[15: 0] <= dac_ddata[ 79: 64]; end else begin dac_ddata_1[63:48] <= dac_ddata[ 63: 48]; dac_ddata_1[47:32] <= dac_ddata[ 47: 32]; dac_ddata_1[31:16] <= dac_ddata[ 31: 16]; dac_ddata_1[15: 0] <= dac_ddata[ 15: 0]; end dac_ddata_2 <= 64'd0; dac_ddata_3 <= 64'd0; end 2'b01: begin dac_drd <= dac_valid_0 & ~dac_drd; if (dac_drd == 1'b1) begin dac_ddata_0[63:48] <= dac_ddata[127:112]; dac_ddata_0[47:32] <= dac_ddata[111: 96]; dac_ddata_0[31:16] <= dac_ddata[ 95: 80]; dac_ddata_0[15: 0] <= dac_ddata[ 79: 64]; end else begin dac_ddata_0[63:48] <= dac_ddata[ 63: 48]; dac_ddata_0[47:32] <= dac_ddata[ 47: 32]; dac_ddata_0[31:16] <= dac_ddata[ 31: 16]; dac_ddata_0[15: 0] <= dac_ddata[ 15: 0]; end dac_ddata_1 <= 64'd0; dac_ddata_2 <= 64'd0; dac_ddata_3 <= 64'd0; end default: begin dac_drd <= 1'b0; dac_ddata_0 <= 64'd0; dac_ddata_1 <= 64'd0; dac_ddata_2 <= 64'd0; dac_ddata_3 <= 64'd0; end endcase end always @(posedge adc_clk) begin case ({adc_enable_1, adc_enable_0}) 2'b11: begin adc_dsync <= 1'b1; adc_dwr <= adc_valid_1 & adc_valid_0; adc_ddata[127:112] <= adc_data_1[63:48]; adc_ddata[111: 96] <= adc_data_0[63:48]; adc_ddata[ 95: 80] <= adc_data_1[47:32]; adc_ddata[ 79: 64] <= adc_data_0[47:32]; adc_ddata[ 63: 48] <= adc_data_1[31:16]; adc_ddata[ 47: 32] <= adc_data_0[31:16]; adc_ddata[ 31: 16] <= adc_data_1[15: 0]; adc_ddata[ 15: 0] <= adc_data_0[15: 0]; end 2'b10: begin adc_dsync <= 1'b1; adc_dwr <= adc_valid_1 & ~adc_dwr; adc_ddata[127:112] <= adc_data_1[63:48]; adc_ddata[111: 96] <= adc_data_1[47:32]; adc_ddata[ 95: 80] <= adc_data_1[31:16]; adc_ddata[ 79: 64] <= adc_data_1[15: 0]; adc_ddata[ 63: 48] <= adc_ddata[127:112]; adc_ddata[ 47: 32] <= adc_ddata[111: 96]; adc_ddata[ 31: 16] <= adc_ddata[ 95: 80]; adc_ddata[ 15: 0] <= adc_ddata[ 79: 64]; end 2'b01: begin adc_dsync <= 1'b1; adc_dwr <= adc_valid_0 & ~adc_dwr; adc_ddata[127:112] <= adc_data_0[63:48]; adc_ddata[111: 96] <= adc_data_0[47:32]; adc_ddata[ 95: 80] <= adc_data_0[31:16]; adc_ddata[ 79: 64] <= adc_data_0[15: 0]; adc_ddata[ 63: 48] <= adc_ddata[127:112]; adc_ddata[ 47: 32] <= adc_ddata[111: 96]; adc_ddata[ 31: 16] <= adc_ddata[ 95: 80]; adc_ddata[ 15: 0] <= adc_ddata[ 79: 64]; end default: begin adc_dsync <= 1'b0; adc_dwr <= 1'b0; adc_ddata <= 128'd0; end endcase end // spi assign spi_csn_adc = spi_csn[2]; assign spi_csn_dac = spi_csn[1]; assign spi_csn_clk = spi_csn[0]; // instantiations IBUFDS_GTE2 i_ibufds_rx_ref_clk ( .CEB (1'd0), .I (rx_ref_clk_p), .IB (rx_ref_clk_n), .O (rx_ref_clk), .ODIV2 ()); IBUFDS i_ibufds_rx_sysref ( .I (rx_sysref_p), .IB (rx_sysref_n), .O (rx_sysref)); OBUFDS i_obufds_rx_sync ( .I (rx_sync), .O (rx_sync_p), .OB (rx_sync_n)); IBUFDS_GTE2 i_ibufds_tx_ref_clk ( .CEB (1'd0), .I (tx_ref_clk_p), .IB (tx_ref_clk_n), .O (tx_ref_clk), .ODIV2 ()); IBUFDS i_ibufds_tx_sysref ( .I (tx_sysref_p), .IB (tx_sysref_n), .O (tx_sysref)); IBUFDS i_ibufds_tx_sync ( .I (tx_sync_p), .IB (tx_sync_n), .O (tx_sync)); daq2_spi i_spi ( .spi_csn (spi_csn), .spi_clk (spi_clk), .spi_mosi (spi_mosi), .spi_miso (spi_miso), .spi_sdio (spi_sdio), .spi_dir (spi_dir)); IBUFDS i_ibufds_trig ( .I (trig_p), .IB (trig_n), .O (trig)); assign gpio_i[43] = trig; ad_iobuf #(.DATA_WIDTH(24)) i_iobuf ( .dt ({gpio_t[42:40], gpio_t[38], gpio_t[36:32], gpio_t[14:0]}), .di ({gpio_o[42:40], gpio_o[38], gpio_o[36:32], gpio_o[14:0]}), .do ({gpio_i[42:40], gpio_i[38], gpio_i[36:32], gpio_i[14:0]}), .dio ({ adc_pd, // 42 dac_txen, // 41 dac_reset, // 40 clkd_sync, // 38 adc_fdb, // 36 adc_fda, // 35 dac_irq, // 34 clkd_status, // 32 gpio_bd})); // 0 system_wrapper i_system_wrapper ( .DDR3_addr (DDR3_addr), .DDR3_ba (DDR3_ba), .DDR3_cas_n (DDR3_cas_n), .DDR3_ck_n (DDR3_ck_n), .DDR3_ck_p (DDR3_ck_p), .DDR3_cke (DDR3_cke), .DDR3_cs_n (DDR3_cs_n), .DDR3_dm (DDR3_dm), .DDR3_dq (DDR3_dq), .DDR3_dqs_n (DDR3_dqs_n), .DDR3_dqs_p (DDR3_dqs_p), .DDR3_odt (DDR3_odt), .DDR3_ras_n (DDR3_ras_n), .DDR3_reset_n (DDR3_reset_n), .DDR3_we_n (DDR3_we_n), .DDR_addr (DDR_addr), .DDR_ba (DDR_ba), .DDR_cas_n (DDR_cas_n), .DDR_ck_n (DDR_ck_n), .DDR_ck_p (DDR_ck_p), .DDR_cke (DDR_cke), .DDR_cs_n (DDR_cs_n), .DDR_dm (DDR_dm), .DDR_dq (DDR_dq), .DDR_dqs_n (DDR_dqs_n), .DDR_dqs_p (DDR_dqs_p), .DDR_odt (DDR_odt), .DDR_ras_n (DDR_ras_n), .DDR_reset_n (DDR_reset_n), .DDR_we_n (DDR_we_n), .FIXED_IO_ddr_vrn (FIXED_IO_ddr_vrn), .FIXED_IO_ddr_vrp (FIXED_IO_ddr_vrp), .FIXED_IO_mio (FIXED_IO_mio), .FIXED_IO_ps_clk (FIXED_IO_ps_clk), .FIXED_IO_ps_porb (FIXED_IO_ps_porb), .FIXED_IO_ps_srstb (FIXED_IO_ps_srstb), .GPIO_I (gpio_i), .GPIO_O (gpio_o), .GPIO_T (gpio_t), .adc_clk (adc_clk), .adc_data_0 (adc_data_0), .adc_data_1 (adc_data_1), .adc_ddata (adc_ddata), .adc_dsync (adc_dsync), .adc_dwr (adc_dwr), .adc_enable_0 (adc_enable_0), .adc_enable_1 (adc_enable_1), .adc_valid_0 (adc_valid_0), .adc_valid_1 (adc_valid_1), .dac_clk (dac_clk), .dac_ddata (dac_ddata), .dac_ddata_0 (dac_ddata_0), .dac_ddata_1 (dac_ddata_1), .dac_ddata_2 (dac_ddata_2), .dac_ddata_3 (dac_ddata_3), .dac_drd (dac_drd), .dac_enable_0 (dac_enable_0), .dac_enable_1 (dac_enable_1), .dac_enable_2 (dac_enable_2), .dac_enable_3 (dac_enable_3), .dac_valid_0 (dac_valid_0), .dac_valid_1 (dac_valid_1), .dac_valid_2 (dac_valid_2), .dac_valid_3 (dac_valid_3), .hdmi_data (hdmi_data), .hdmi_data_e (hdmi_data_e), .hdmi_hsync (hdmi_hsync), .hdmi_out_clk (hdmi_out_clk), .hdmi_vsync (hdmi_vsync), .iic_main_scl_io (iic_scl), .iic_main_sda_io (iic_sda), .rx_data_n (rx_data_n), .rx_data_p (rx_data_p), .rx_ref_clk (rx_ref_clk), .rx_sync (rx_sync), .rx_sysref (rx_sysref), .spdif (spdif), .spi_clk_i (spi_clk), .spi_clk_o (spi_clk), .spi_csn_i (1'b1), .spi_csn_0_o (spi_csn[0]), .spi_csn_1_o (spi_csn[1]), .spi_csn_2_o (spi_csn[2]), .spi_sdi_i (spi_miso), .spi_sdo_i (spi_mosi), .spi_sdo_o (spi_mosi), .sys_clk_clk_n (sys_clk_n), .sys_clk_clk_p (sys_clk_p), .tx_data_n (tx_data_n), .tx_data_p (tx_data_p), .tx_ref_clk (tx_ref_clk), .tx_sync (tx_sync), .tx_sysref (tx_sysref)); endmodule // *************************************************************************** // ***************************************************************************