arradio/c5soc- interface updates

main
Rejeesh Kutty 2017-07-20 13:04:03 -04:00
parent f3ad2e24c1
commit fca88caf93
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// ***************************************************************************
// ***************************************************************************
// Copyright 2014 - 2017 (c) Analog Devices, Inc. All rights reserved.
//
// In this HDL repository, there are many different and unique modules, consisting
// of various HDL (Verilog or VHDL) components. The individual modules are
// developed independently, and may be accompanied by separate and unique license
// terms.
//
// The user should read each of these license terms, and understand the
// freedoms and responsabilities that he or she has by using this source/core.
//
// This core 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.
//
// Redistribution and use of source or resulting binaries, with or without modification
// of this file, are permitted under one of the following two license terms:
//
// 1. The GNU General Public License version 2 as published by the
// Free Software Foundation, which can be found in the top level directory
// of this repository (LICENSE_GPL2), and also online at:
// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
//
// OR
//
// 2. An ADI specific BSD license, which can be found in the top level directory
// of this repository (LICENSE_ADIBSD), and also on-line at:
// https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD
// This will allow to generate bit files and not release the source code,
// as long as it attaches to an ADI device.
//
// ***************************************************************************
// ***************************************************************************
`timescale 1ns/100ps
module axi_ad9361_lvds_if_c5 (
// physical interface (receive)
input rx_clk_in_p,
input rx_clk_in_n,
input rx_frame_in_p,
input rx_frame_in_n,
input [ 5:0] rx_data_in_p,
input [ 5:0] rx_data_in_n,
// physical interface (transmit)
output tx_clk_out_p,
output tx_clk_out_n,
output tx_frame_out_p,
output tx_frame_out_n,
output [ 5:0] tx_data_out_p,
output [ 5:0] tx_data_out_n,
// ensm control
output enable,
output txnrx,
// clock (common to both receive and transmit)
output clk,
// receive data path interface
output [ 3:0] rx_frame,
output [ 5:0] rx_data_0,
output [ 5:0] rx_data_1,
output [ 5:0] rx_data_2,
output [ 5:0] rx_data_3,
// transmit data path interface
input [ 3:0] tx_frame,
input [ 5:0] tx_data_0,
input [ 5:0] tx_data_1,
input [ 5:0] tx_data_2,
input [ 5:0] tx_data_3,
input tx_enable,
input tx_txnrx,
// locked (status)
output locked,
// delay interface
input up_clk,
input up_rstn);
// internal registers
reg pll_rst = 'd0;
reg locked_int = 'd0;
reg tx_core_enable_int = 'd0;
reg tx_core_txnrx_int = 'd0;
reg [27:0] tx_core_data_int = 'd0;
reg tx_core_enable = 'd0;
reg tx_core_txnrx = 'd0;
reg [27:0] tx_core_data = 'd0;
reg tx_locked_int = 'd0;
reg tx_locked = 'd0;
// internal signals
wire [27:0] rx_core_data_s;
wire rx_locked_s;
wire tx_core_clk;
wire tx_locked_s;
// pll reset
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 0) begin
pll_rst <= 1'b1;
end else begin
pll_rst <= 1'b0;
end
end
assign locked = locked_int;
always @(posedge clk) begin
locked_int <= rx_locked_s & tx_locked;
end
// receive
assign rx_frame[3] = rx_core_data_s[24];
assign rx_frame[2] = rx_core_data_s[25];
assign rx_frame[1] = rx_core_data_s[26];
assign rx_frame[0] = rx_core_data_s[27];
assign rx_data_3[5] = rx_core_data_s[20];
assign rx_data_3[4] = rx_core_data_s[16];
assign rx_data_3[3] = rx_core_data_s[12];
assign rx_data_3[2] = rx_core_data_s[ 8];
assign rx_data_3[1] = rx_core_data_s[ 4];
assign rx_data_3[0] = rx_core_data_s[ 0];
assign rx_data_2[5] = rx_core_data_s[21];
assign rx_data_2[4] = rx_core_data_s[17];
assign rx_data_2[3] = rx_core_data_s[13];
assign rx_data_2[2] = rx_core_data_s[ 9];
assign rx_data_2[1] = rx_core_data_s[ 5];
assign rx_data_2[0] = rx_core_data_s[ 1];
assign rx_data_1[5] = rx_core_data_s[22];
assign rx_data_1[4] = rx_core_data_s[18];
assign rx_data_1[3] = rx_core_data_s[14];
assign rx_data_1[2] = rx_core_data_s[10];
assign rx_data_1[1] = rx_core_data_s[ 6];
assign rx_data_1[0] = rx_core_data_s[ 2];
assign rx_data_0[5] = rx_core_data_s[23];
assign rx_data_0[4] = rx_core_data_s[19];
assign rx_data_0[3] = rx_core_data_s[15];
assign rx_data_0[2] = rx_core_data_s[11];
assign rx_data_0[1] = rx_core_data_s[ 7];
assign rx_data_0[0] = rx_core_data_s[ 3];
// transmit (by definition, tx_core_clk and clk are the same (shared pll))
// however, we safe guard transition - incase you keep them separate
assign tx_clk_out_n = 1'd0;
assign tx_frame_out_n = 1'd0;
assign tx_data_out_n = 6'd0;
always @(negedge clk) begin
tx_core_enable_int <= tx_enable;
tx_core_txnrx_int <= tx_txnrx;
tx_core_data_int[24] <= tx_frame[3];
tx_core_data_int[25] <= tx_frame[2];
tx_core_data_int[26] <= tx_frame[1];
tx_core_data_int[27] <= tx_frame[0];
tx_core_data_int[20] <= tx_data_3[5];
tx_core_data_int[16] <= tx_data_3[4];
tx_core_data_int[12] <= tx_data_3[3];
tx_core_data_int[ 8] <= tx_data_3[2];
tx_core_data_int[ 4] <= tx_data_3[1];
tx_core_data_int[ 0] <= tx_data_3[0];
tx_core_data_int[21] <= tx_data_2[5];
tx_core_data_int[17] <= tx_data_2[4];
tx_core_data_int[13] <= tx_data_2[3];
tx_core_data_int[ 9] <= tx_data_2[2];
tx_core_data_int[ 5] <= tx_data_2[1];
tx_core_data_int[ 1] <= tx_data_2[0];
tx_core_data_int[22] <= tx_data_1[5];
tx_core_data_int[18] <= tx_data_1[4];
tx_core_data_int[14] <= tx_data_1[3];
tx_core_data_int[10] <= tx_data_1[2];
tx_core_data_int[ 6] <= tx_data_1[1];
tx_core_data_int[ 2] <= tx_data_1[0];
tx_core_data_int[23] <= tx_data_0[5];
tx_core_data_int[19] <= tx_data_0[4];
tx_core_data_int[15] <= tx_data_0[3];
tx_core_data_int[11] <= tx_data_0[2];
tx_core_data_int[ 7] <= tx_data_0[1];
tx_core_data_int[ 3] <= tx_data_0[0];
end
always @(posedge tx_core_clk) begin
tx_core_enable <= tx_core_enable_int;
tx_core_txnrx <= tx_core_txnrx_int;
tx_core_data <= tx_core_data_int;
end
always @(negedge tx_core_clk) begin
tx_locked_int <= tx_locked_s;
end
always @(posedge clk) begin
tx_locked <= tx_locked_int;
end
// instantiations
altlvds_rx #(
.buffer_implementation ("RAM"),
.cds_mode ("UNUSED"),
.common_rx_tx_pll ("ON"),
.data_align_rollover (4),
.data_rate ("500.0 Mbps"),
.deserialization_factor (4),
.dpa_initial_phase_value (0),
.dpll_lock_count (0),
.dpll_lock_window (0),
.enable_clock_pin_mode ("UNUSED"),
.enable_dpa_align_to_rising_edge_only ("OFF"),
.enable_dpa_calibration ("ON"),
.enable_dpa_fifo ("UNUSED"),
.enable_dpa_initial_phase_selection ("OFF"),
.enable_dpa_mode ("OFF"),
.enable_dpa_pll_calibration ("OFF"),
.enable_soft_cdr_mode ("OFF"),
.implement_in_les ("OFF"),
.inclock_boost (0),
.inclock_data_alignment ("EDGE_ALIGNED"),
.inclock_period (4000),
.inclock_phase_shift (0),
.input_data_rate (500),
.intended_device_family ("Cyclone V"),
.lose_lock_on_one_change ("UNUSED"),
.lpm_hint ("CBX_MODULE_PREFIX=axi_ad9361_lvds_if_c5_rx"),
.lpm_type ("altlvds_rx"),
.number_of_channels (7),
.outclock_resource ("Global clock"),
.pll_operation_mode ("NORMAL"),
.pll_self_reset_on_loss_lock ("UNUSED"),
.port_rx_channel_data_align ("PORT_UNUSED"),
.port_rx_data_align ("PORT_UNUSED"),
.refclk_frequency ("250.000000 MHz"),
.registered_data_align_input ("UNUSED"),
.registered_output ("ON"),
.reset_fifo_at_first_lock ("UNUSED"),
.rx_align_data_reg ("RISING_EDGE"),
.sim_dpa_is_negative_ppm_drift ("OFF"),
.sim_dpa_net_ppm_variation (0),
.sim_dpa_output_clock_phase_shift (0),
.use_coreclock_input ("OFF"),
.use_dpll_rawperror ("OFF"),
.use_external_pll ("OFF"),
.use_no_phase_shift ("ON"),
.x_on_bitslip ("ON"),
.clk_src_is_pll ("off"))
i_altlvds_rx (
.pll_areset (pll_rst),
.rx_in ({rx_frame_in_p, rx_data_in_p}),
.rx_inclock (rx_clk_in_p),
.rx_locked (rx_locked_s),
.rx_out (rx_core_data_s),
.rx_outclock (clk),
.dpa_pll_cal_busy (),
.dpa_pll_recal (1'b0),
.pll_phasecounterselect (),
.pll_phasedone (1'b1),
.pll_phasestep (),
.pll_phaseupdown (),
.pll_scanclk (),
.rx_cda_max (),
.rx_cda_reset ({7{1'b0}}),
.rx_channel_data_align ({7{1'b0}}),
.rx_coreclk ({7{1'b1}}),
.rx_data_align (1'b0),
.rx_data_align_reset (1'b0),
.rx_data_reset (1'b0),
.rx_deskew (1'b0),
.rx_divfwdclk (),
.rx_dpa_lock_reset ({7{1'b0}}),
.rx_dpa_locked (),
.rx_dpaclock (1'b0),
.rx_dpll_enable ({7{1'b1}}),
.rx_dpll_hold ({7{1'b0}}),
.rx_dpll_reset ({7{1'b0}}),
.rx_enable (1'b1),
.rx_fifo_reset ({7{1'b0}}),
.rx_pll_enable (1'b1),
.rx_readclock (1'b0),
.rx_reset ({7{1'b0}}),
.rx_syncclock (1'b0));
altlvds_tx #(
.center_align_msb ("UNUSED"),
.common_rx_tx_pll ("ON"),
.coreclock_divide_by (1),
.data_rate ("500.0 Mbps"),
.deserialization_factor (4),
.differential_drive (0),
.enable_clock_pin_mode ("UNUSED"),
.implement_in_les ("OFF"),
.inclock_boost (0),
.inclock_data_alignment ("EDGE_ALIGNED"),
.inclock_period (4000),
.inclock_phase_shift (0),
.intended_device_family ("Cyclone V"),
.lpm_hint ("CBX_MODULE_PREFIX=axi_ad9361_lvds_if_c5_tx"),
.lpm_type ("altlvds_tx"),
.multi_clock ("OFF"),
.number_of_channels (7),
.outclock_alignment ("EDGE_ALIGNED"),
.outclock_divide_by (2),
.outclock_duty_cycle (50),
.outclock_multiply_by (1),
.outclock_phase_shift (0),
.outclock_resource ("Global clock"),
.output_data_rate (500),
.pll_compensation_mode ("AUTO"),
.pll_self_reset_on_loss_lock ("OFF"),
.preemphasis_setting (0),
.refclk_frequency ("250.000000 MHz"),
.registered_input ("TX_CORECLK"),
.use_external_pll ("OFF"),
.use_no_phase_shift ("ON"),
.vod_setting (0),
.clk_src_is_pll ("off"))
i_altlvds_tx (
.pll_areset (pll_rst),
.tx_in (tx_core_data),
.tx_inclock (rx_clk_in_p),
.tx_coreclock (tx_core_clk),
.tx_locked (tx_locked_s),
.tx_out ({tx_frame_out_p, tx_data_out_p}),
.tx_outclock (tx_clk_out_p),
.sync_inclock (1'b0),
.tx_data_reset (1'b0),
.tx_enable (1'b1),
.tx_pll_enable (1'b1),
.tx_syncclock (1'b0));
altddio_out #(
.extend_oe_disable ("OFF"),
.intended_device_family ("Cyclone V"),
.invert_output ("OFF"),
.lpm_hint ("UNUSED"),
.lpm_type ("altddio_out"),
.oe_reg ("UNREGISTERED"),
.power_up_high ("OFF"),
.width (1))
i_altddio_enable (
.datain_h (tx_core_enable),
.datain_l (tx_core_enable),
.outclock (tx_core_clk),
.dataout (enable),
.aclr (1'b0),
.aset (1'b0),
.oe (1'b1),
.oe_out (),
.outclocken (1'b1),
.sclr (1'b0),
.sset (1'b0));
altddio_out #(
.extend_oe_disable ("OFF"),
.intended_device_family ("Cyclone V"),
.invert_output ("OFF"),
.lpm_hint ("UNUSED"),
.lpm_type ("altddio_out"),
.oe_reg ("UNREGISTERED"),
.power_up_high ("OFF"),
.width (1))
i_altddio_txnrx (
.datain_h (tx_core_txnrx),
.datain_l (tx_core_txnrx),
.outclock (tx_core_clk),
.dataout (txnrx),
.aclr (1'b0),
.aset (1'b0),
.oe (1'b1),
.oe_out (),
.outclocken (1'b1),
.sclr (1'b0),
.sset (1'b0));
endmodule
// ***************************************************************************
// ***************************************************************************