2015-06-26 09:04:19 +00:00
|
|
|
// ***************************************************************************
|
|
|
|
// ***************************************************************************
|
|
|
|
// 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,
|
|
|
|
|
|
|
|
i2s_mclk,
|
|
|
|
i2s_bclk,
|
|
|
|
i2s_lrclk,
|
|
|
|
i2s_sdata_out,
|
|
|
|
i2s_sdata_in,
|
|
|
|
|
|
|
|
spdif,
|
|
|
|
|
|
|
|
pmod_ja1,
|
|
|
|
pmod_ja2,
|
|
|
|
pmod_ja3,
|
|
|
|
pmod_ja4,
|
|
|
|
pmod_ja7,
|
|
|
|
pmod_ja8,
|
|
|
|
pmod_ja9,
|
|
|
|
pmod_ja10,
|
|
|
|
|
|
|
|
pmod_jb1,
|
|
|
|
pmod_jb2,
|
|
|
|
pmod_jb3,
|
|
|
|
pmod_jb4,
|
|
|
|
pmod_jb7,
|
|
|
|
pmod_jb8,
|
|
|
|
pmod_jb9,
|
|
|
|
pmod_jb10,
|
|
|
|
|
|
|
|
pmod_jc1,
|
|
|
|
pmod_jc2,
|
|
|
|
pmod_jc3,
|
|
|
|
pmod_jc4,
|
|
|
|
pmod_jc7,
|
|
|
|
pmod_jc8,
|
|
|
|
pmod_jc9,
|
|
|
|
pmod_jc10,
|
|
|
|
|
|
|
|
pmod_jd1,
|
|
|
|
pmod_jd2,
|
|
|
|
pmod_jd3,
|
|
|
|
pmod_jd4,
|
|
|
|
pmod_jd7,
|
|
|
|
pmod_jd8,
|
|
|
|
pmod_jd9,
|
|
|
|
pmod_jd10,
|
|
|
|
|
|
|
|
iic_scl,
|
|
|
|
iic_sda,
|
|
|
|
iic_mux_scl,
|
|
|
|
iic_mux_sda,
|
|
|
|
|
|
|
|
otg_vbusoc);
|
|
|
|
|
|
|
|
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 [31:0] gpio_bd;
|
|
|
|
|
|
|
|
output hdmi_out_clk;
|
|
|
|
output hdmi_vsync;
|
|
|
|
output hdmi_hsync;
|
|
|
|
output hdmi_data_e;
|
|
|
|
output [15:0] hdmi_data;
|
|
|
|
|
|
|
|
output spdif;
|
|
|
|
|
|
|
|
output i2s_mclk;
|
|
|
|
output i2s_bclk;
|
|
|
|
output i2s_lrclk;
|
|
|
|
output i2s_sdata_out;
|
|
|
|
input i2s_sdata_in;
|
|
|
|
|
|
|
|
output pmod_ja1;
|
|
|
|
output pmod_ja2;
|
|
|
|
input pmod_ja3;
|
|
|
|
output pmod_ja4;
|
|
|
|
inout pmod_ja7;
|
|
|
|
inout pmod_ja8;
|
|
|
|
inout pmod_ja9;
|
|
|
|
inout pmod_ja10;
|
|
|
|
|
|
|
|
output pmod_jb1;
|
|
|
|
output pmod_jb2;
|
|
|
|
input pmod_jb3;
|
|
|
|
output pmod_jb4;
|
|
|
|
inout pmod_jb7;
|
|
|
|
inout pmod_jb8;
|
|
|
|
inout pmod_jb9;
|
|
|
|
inout pmod_jb10;
|
|
|
|
|
|
|
|
output pmod_jc1;
|
|
|
|
output pmod_jc2;
|
|
|
|
input pmod_jc3;
|
|
|
|
output pmod_jc4;
|
|
|
|
input pmod_jc7;
|
|
|
|
output pmod_jc8;
|
|
|
|
input pmod_jc9;
|
|
|
|
output pmod_jc10;
|
|
|
|
|
|
|
|
output pmod_jd1;
|
|
|
|
output pmod_jd2;
|
|
|
|
input pmod_jd3;
|
|
|
|
output pmod_jd4;
|
|
|
|
inout pmod_jd7;
|
|
|
|
inout pmod_jd8;
|
|
|
|
inout pmod_jd9;
|
|
|
|
inout pmod_jd10;
|
|
|
|
|
|
|
|
inout iic_scl;
|
|
|
|
inout iic_sda;
|
|
|
|
inout [ 1:0] iic_mux_scl;
|
|
|
|
inout [ 1:0] iic_mux_sda;
|
|
|
|
|
|
|
|
input otg_vbusoc;
|
|
|
|
|
|
|
|
// internal signals
|
|
|
|
|
|
|
|
wire [48:0] gpio_i;
|
|
|
|
wire [48:0] gpio_o;
|
|
|
|
wire [48:0] gpio_t;
|
|
|
|
wire ref_clk;
|
|
|
|
wire oddr_ref_clk;
|
|
|
|
|
|
|
|
wire [ 1:0] iic_mux_scl_i_s;
|
|
|
|
wire [ 1:0] iic_mux_scl_o_s;
|
|
|
|
wire iic_mux_scl_t_s;
|
|
|
|
wire [ 1:0] iic_mux_sda_i_s;
|
|
|
|
wire [ 1:0] iic_mux_sda_o_s;
|
|
|
|
wire iic_mux_sda_t_s;
|
|
|
|
|
|
|
|
// instantiations
|
|
|
|
|
|
|
|
ODDR #(
|
|
|
|
.DDR_CLK_EDGE ("SAME_EDGE"),
|
|
|
|
.INIT (1'b0),
|
|
|
|
.SRTYPE ("ASYNC"))
|
|
|
|
i_oddr_ref_clk (
|
|
|
|
.S (1'b0),
|
|
|
|
.CE (1'b1),
|
|
|
|
.R (1'b0),
|
|
|
|
.C (ref_clk),
|
|
|
|
.D1 (1'b1),
|
|
|
|
.D2 (1'b0),
|
|
|
|
.Q (oddr_ref_clk));
|
|
|
|
|
|
|
|
OBUFDS i_obufds_ref_clk (
|
|
|
|
.I (oddr_ref_clk),
|
|
|
|
.O (ref_clk_out_p),
|
|
|
|
.OB (ref_clk_out_n));
|
|
|
|
|
|
|
|
genvar n;
|
|
|
|
generate
|
|
|
|
for (n = 0; n <= 31; n = n + 1) begin: g_iobuf_gpio_bd
|
|
|
|
IOBUF i_iobuf_gpio_bd (
|
|
|
|
.I (gpio_o[n]),
|
|
|
|
.O (gpio_i[n]),
|
|
|
|
.T (gpio_t[n]),
|
|
|
|
.IO (gpio_bd[n]));
|
|
|
|
end
|
|
|
|
endgenerate
|
|
|
|
|
|
|
|
// For debugging the ADIS16k CS BUSY conflict
|
|
|
|
// OBUF i_pmod_jb7 (.I(pmod_ja1 == 1'b0 && gpio_i[34] == 1'b0), .O(pmod_jb7));
|
|
|
|
|
|
|
|
IOBUF i_iic_mux_scl_0 (.I(iic_mux_scl_o_s[0]), .O(iic_mux_scl_i_s[0]), .T(iic_mux_scl_t_s), .IO(iic_mux_scl[0]));
|
|
|
|
IOBUF i_iic_mux_scl_1 (.I(iic_mux_scl_o_s[1]), .O(iic_mux_scl_i_s[1]), .T(iic_mux_scl_t_s), .IO(iic_mux_scl[1]));
|
|
|
|
IOBUF i_iic_mux_sda_0 (.I(iic_mux_sda_o_s[0]), .O(iic_mux_sda_i_s[0]), .T(iic_mux_sda_t_s), .IO(iic_mux_sda[0]));
|
|
|
|
IOBUF i_iic_mux_sda_1 (.I(iic_mux_sda_o_s[1]), .O(iic_mux_sda_i_s[1]), .T(iic_mux_sda_t_s), .IO(iic_mux_sda[1]));
|
|
|
|
|
|
|
|
IOBUF i_pmod_ja7 (.IO(pmod_ja7), .I(gpio_o[32]), .O(gpio_i[32]), .T(gpio_t[32]));
|
|
|
|
IOBUF i_pmod_ja8 (.IO(pmod_ja8), .I(gpio_o[33]), .O(gpio_i[33]), .T(gpio_t[33]));
|
|
|
|
IOBUF i_pmod_ja9 (.IO(pmod_ja9), .I(gpio_o[34]), .O(gpio_i[34]), .T(gpio_t[34]));
|
|
|
|
IOBUF i_pmod_ja10 (.IO(pmod_ja10), .I(gpio_o[35]), .O(gpio_i[35]), .T(gpio_t[35]));
|
|
|
|
|
|
|
|
IOBUF i_pmod_jb7 (.IO(pmod_jb7), .I(gpio_o[36]), .O(gpio_i[36]), .T(gpio_t[36]));
|
|
|
|
IOBUF i_pmod_jb8 (.IO(pmod_jb8), .I(gpio_o[37]), .O(gpio_i[37]), .T(gpio_t[37]));
|
|
|
|
IOBUF i_pmod_jb9 (.IO(pmod_jb9), .I(gpio_o[38]), .O(gpio_i[38]), .T(gpio_t[38]));
|
|
|
|
IOBUF i_pmod_jb10 (.IO(pmod_jb10), .I(gpio_o[39]), .O(gpio_i[39]), .T(gpio_t[39]));
|
|
|
|
|
|
|
|
/*
|
|
|
|
IOBUF i_pmod_jc7 (.IO(pmod_jc7), .I(gpio_o[40]), .O(gpio_i[40]), .T(gpio_t[40]));
|
|
|
|
IOBUF i_pmod_jc8 (.IO(pmod_jc8), .I(gpio_o[41]), .O(gpio_i[41]), .T(gpio_t[41]));
|
|
|
|
IOBUF i_pmod_jc9 (.IO(pmod_jc9), .I(gpio_o[42]), .O(gpio_i[42]), .T(gpio_t[42]));
|
|
|
|
IOBUF i_pmod_jc10 (.IO(pmod_jc10), .I(gpio_o[43]), .O(gpio_i[43]), .T(gpio_t[43]));
|
|
|
|
*/
|
|
|
|
|
|
|
|
IOBUF i_pmod_jd7 (.IO(pmod_jd7), .I(gpio_o[44]), .O(gpio_i[44]), .T(gpio_t[44]));
|
|
|
|
IOBUF i_pmod_jd8 (.IO(pmod_jd8), .I(gpio_o[45]), .O(gpio_i[45]), .T(gpio_t[45]));
|
|
|
|
IOBUF i_pmod_jd9 (.IO(pmod_jd9), .I(gpio_o[46]), .O(gpio_i[46]), .T(gpio_t[46]));
|
|
|
|
IOBUF i_pmod_jd10 (.IO(pmod_jd10), .I(gpio_o[47]), .O(gpio_i[47]), .T(gpio_t[47]));
|
|
|
|
|
|
|
|
// On the AD7173 MISO also acts as a interrupt signal, so we need to route it
|
|
|
|
// to both the GPIO and SPI controller
|
|
|
|
assign gpio_i[48] = pmod_jc3;
|
|
|
|
|
|
|
|
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),
|
|
|
|
.i2s_bclk (i2s_bclk),
|
|
|
|
.i2s_lrclk (i2s_lrclk),
|
|
|
|
.i2s_mclk (i2s_mclk),
|
|
|
|
.i2s_sdata_in (i2s_sdata_in),
|
|
|
|
.i2s_sdata_out (i2s_sdata_out),
|
|
|
|
.iic_fmc_scl_io (iic_scl),
|
|
|
|
.iic_fmc_sda_io (iic_sda),
|
|
|
|
.iic_mux_scl_I (iic_mux_scl_i_s),
|
|
|
|
.iic_mux_scl_O (iic_mux_scl_o_s),
|
|
|
|
.iic_mux_scl_T (iic_mux_scl_t_s),
|
|
|
|
.iic_mux_sda_I (iic_mux_sda_i_s),
|
|
|
|
.iic_mux_sda_O (iic_mux_sda_o_s),
|
|
|
|
.iic_mux_sda_T (iic_mux_sda_t_s),
|
|
|
|
.pmod_ja1 (pmod_ja1),
|
|
|
|
.pmod_ja2 (pmod_ja2),
|
|
|
|
.pmod_ja3 (pmod_ja3),
|
|
|
|
.pmod_ja4 (pmod_ja4),
|
|
|
|
.pmod_jb1 (pmod_jb1),
|
|
|
|
.pmod_jb2 (pmod_jb2),
|
|
|
|
.pmod_jb3 (pmod_jb3),
|
|
|
|
.pmod_jb4 (pmod_jb4),
|
|
|
|
.pmod_jc1 (pmod_jc1),
|
|
|
|
.pmod_jc2 (pmod_jc2),
|
|
|
|
.pmod_jc3 (pmod_jc3),
|
|
|
|
.pmod_jc4 (pmod_jc4),
|
|
|
|
.pmod_jc7 (pmod_jc7),
|
|
|
|
.pmod_jc8 (pmod_jc8),
|
|
|
|
.pmod_jc9 (pmod_jc9),
|
|
|
|
.pmod_jc10 (pmod_jc10),
|
|
|
|
.pmod_jd1 (pmod_jd1),
|
|
|
|
.pmod_jd2 (pmod_jd2),
|
|
|
|
.pmod_jd3 (pmod_jd3),
|
|
|
|
.pmod_jd4 (pmod_jd4),
|
|
|
|
.otg_vbusoc (otg_vbusoc),
|
|
|
|
.spdif (spdif));
|
|
|
|
|
|
|
|
endmodule
|
|
|
|
|
|
|
|
// ***************************************************************************
|
|
|
|
// ***************************************************************************
|