pluto_hdl_adi/projects/daq1/zc706/system_top.v

351 lines
9.4 KiB
Verilog

// ***************************************************************************
// ***************************************************************************
// 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 (
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_clk_p,
tx_clk_n,
tx_frame_p,
tx_frame_n,
tx_data_p,
tx_data_n,
gpio_adc_fdb,
gpio_adc_fda,
gpio_dac_irqn,
gpio_clkd_status,
gpio_clkd_pdn,
gpio_clkd_syncn,
gpio_resetn,
spi_csn_clk,
spi_csn_dac,
spi_csn_adc,
spi_clk,
spi_sdio);
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 [ 1:0] rx_data_p;
input [ 1:0] rx_data_n;
input tx_ref_clk_p;
input tx_ref_clk_n;
output tx_clk_p;
output tx_clk_n;
output tx_frame_p;
output tx_frame_n;
output [15:0] tx_data_p;
output [15:0] tx_data_n;
inout gpio_adc_fdb;
inout gpio_adc_fda;
inout gpio_dac_irqn;
inout [ 1:0] gpio_clkd_status;
inout gpio_clkd_pdn;
inout gpio_clkd_syncn;
inout gpio_resetn;
output spi_csn_clk;
output spi_csn_dac;
output spi_csn_adc;
output spi_clk;
inout spi_sdio;
// internal registers
reg dma_wr = 'd0;
reg [63:0] dma_data = 'd0;
// internal signals
wire [39:0] gpio_i;
wire [39:0] gpio_o;
wire [39:0] gpio_t;
wire rx_ref_clk;
wire rx_sysref;
wire rx_sync;
wire [ 2:0] spi_csn;
wire adc_clk;
wire adc_enable_a;
wire [31:0] adc_data_a;
wire adc_enable_b;
wire [31:0] adc_data_b;
// pack & unpack data
always @(posedge adc_clk) begin
case ({adc_enable_b, adc_enable_a})
2'b11: begin
dma_wr <= 1'b1;
dma_data[63:48] <= adc_data_b[31:16];
dma_data[47:32] <= adc_data_a[31:16];
dma_data[31:16] <= adc_data_b[15: 0];
dma_data[15: 0] <= adc_data_a[15: 0];
end
2'b10: begin
dma_wr <= ~dma_wr;
dma_data[63:48] <= adc_data_b[31:16];
dma_data[47:32] <= adc_data_b[15: 0];
dma_data[31:16] <= dma_data[63:48];
dma_data[15: 0] <= dma_data[47:32];
end
2'b01: begin
dma_wr <= ~dma_wr;
dma_data[63:48] <= adc_data_a[31:16];
dma_data[47:32] <= adc_data_a[15: 0];
dma_data[31:16] <= dma_data[63:48];
dma_data[15: 0] <= dma_data[47:32];
end
default: begin
dma_wr <= 1'b0;
dma_data[63:48] <= 16'd0;
dma_data[47:32] <= 16'd0;
dma_data[31:16] <= 16'd0;
dma_data[15: 0] <= 16'd0;
end
endcase
end
// instantiations
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));
daq1_spi i_spi (
.spi_csn (spi_csn),
.spi_clk (spi_clk),
.spi_mosi (spi_mosi),
.spi_miso (spi_miso),
.spi_sdio (spi_sdio));
ad_iobuf #(.DATA_WIDTH(23)) i_iobuf (
.dt({gpio_t[39:32], gpio_t[14:0]}),
.di({gpio_o[39:32], gpio_o[14:0]}),
.do({gpio_i[39:32], gpio_i[14:0]}),
.dio({gpio_adc_fdb, // 39
gpio_adc_fda, // 38
gpio_dac_irqn, // 37
gpio_clkd_status, // 36:35
gpio_clkd_pdn, // 34
gpio_clkd_syncn, // 33
gpio_resetn, // 32
gpio_bd})); // 14:0
system_wrapper i_system_wrapper (
.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),
.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),
.adc_clk (adc_clk),
.adc_data_a (adc_data_a),
.adc_data_b (adc_data_b),
.adc_enable_a (adc_enable_a),
.adc_enable_b (adc_enable_b),
.adc_valid_a (),
.adc_valid_b (),
.dma_data (dma_data),
.dma_sync (1'b1),
.dma_wr (dma_wr),
.spdif (spdif),
.spi_clk_i (spi_clk),
.spi_clk_o (spi_clk),
.spi_csn_i (spi_csn),
.spi_csn_o (spi_csn),
.spi_sdi_i (spi_miso),
.spi_sdo_i (spi_mosi),
.spi_sdo_o (spi_mosi),
.tx_clk_n (tx_clk_n),
.tx_clk_p (tx_clk_p),
.tx_data_n (tx_data_n),
.tx_data_p (tx_data_p),
.tx_frame_n (tx_frame_n),
.tx_frame_p (tx_frame_p),
.tx_ref_clk_n (tx_ref_clk_n),
.tx_ref_clk_p (tx_ref_clk_p));
endmodule
// ***************************************************************************
// ***************************************************************************