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pluto_hdl_adi/library/xilinx/common/ad_mmcm_drp.v

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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 responsibilities 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.
//
// ***************************************************************************
// ***************************************************************************
// MMCM_OR_BUFR_N with DRP and device specific
`timescale 1ns/100ps
module ad_mmcm_drp #(
parameter MMCM_DEVICE_TYPE = 0,
parameter MMCM_CLKIN_PERIOD = 1.667,
parameter MMCM_CLKIN2_PERIOD = 1.667,
parameter MMCM_VCO_DIV = 6,
parameter MMCM_VCO_MUL = 12.000,
parameter MMCM_CLK0_DIV = 2.000,
parameter MMCM_CLK0_PHASE = 0.000,
parameter MMCM_CLK1_DIV = 6,
parameter MMCM_CLK1_PHASE = 0.000,
parameter MMCM_CLK2_DIV = 2.000,
parameter MMCM_CLK2_PHASE = 0.000) (
// clocks
input clk,
input clk2,
input clk_sel,
input mmcm_rst,
output mmcm_clk_0,
output mmcm_clk_1,
output mmcm_clk_2,
// drp interface
input up_clk,
input up_rstn,
input up_drp_sel,
input up_drp_wr,
input [11:0] up_drp_addr,
input [15:0] up_drp_wdata,
output reg [15:0] up_drp_rdata,
output reg up_drp_ready,
output reg up_drp_locked);
localparam MMCM_DEVICE_7SERIES = 0;
localparam MMCM_DEVICE_VIRTEX6 = 1;
localparam MMCM_DEVICE_ULTRASCALE = 2;
// internal registers
reg up_drp_locked_m1 = 'd0;
// internal signals
wire bufg_fb_clk_s;
wire mmcm_fb_clk_s;
wire mmcm_clk_0_s;
wire mmcm_clk_1_s;
wire mmcm_clk_2_s;
wire mmcm_locked_s;
wire [15:0] up_drp_rdata_s;
wire up_drp_ready_s;
// drp read and locked
always @(posedge up_clk) begin
if (up_rstn == 1'b0) begin
up_drp_rdata <= 'd0;
up_drp_ready <= 'd0;
up_drp_locked_m1 <= 1'd0;
up_drp_locked <= 1'd0;
end else begin
up_drp_rdata <= up_drp_rdata_s;
up_drp_ready <= up_drp_ready_s;
up_drp_locked_m1 <= mmcm_locked_s;
up_drp_locked <= up_drp_locked_m1;
end
end
// instantiations
generate
if (MMCM_DEVICE_TYPE == MMCM_DEVICE_7SERIES) begin
MMCME2_ADV #(
.BANDWIDTH ("OPTIMIZED"),
.CLKOUT4_CASCADE ("FALSE"),
.COMPENSATION ("ZHOLD"),
.STARTUP_WAIT ("FALSE"),
.DIVCLK_DIVIDE (MMCM_VCO_DIV),
.CLKFBOUT_MULT_F (MMCM_VCO_MUL),
.CLKFBOUT_PHASE (0.000),
.CLKFBOUT_USE_FINE_PS ("FALSE"),
.CLKOUT0_DIVIDE_F (MMCM_CLK0_DIV),
.CLKOUT0_PHASE (MMCM_CLK0_PHASE),
.CLKOUT0_DUTY_CYCLE (0.500),
.CLKOUT0_USE_FINE_PS ("FALSE"),
.CLKOUT1_DIVIDE (MMCM_CLK1_DIV),
.CLKOUT1_PHASE (MMCM_CLK1_PHASE),
.CLKOUT1_DUTY_CYCLE (0.500),
.CLKOUT1_USE_FINE_PS ("FALSE"),
.CLKOUT2_DIVIDE (MMCM_CLK2_DIV),
.CLKOUT2_PHASE (MMCM_CLK2_PHASE),
.CLKOUT2_DUTY_CYCLE (0.500),
.CLKOUT2_USE_FINE_PS ("FALSE"),
.CLKIN1_PERIOD (MMCM_CLKIN_PERIOD),
.CLKIN2_PERIOD (MMCM_CLKIN2_PERIOD),
.REF_JITTER1 (0.010))
i_mmcm (
.CLKIN1 (clk),
.CLKFBIN (bufg_fb_clk_s),
.CLKFBOUT (mmcm_fb_clk_s),
.CLKOUT0 (mmcm_clk_0_s),
.CLKOUT1 (mmcm_clk_1_s),
.CLKOUT2 (mmcm_clk_2_s),
.LOCKED (mmcm_locked_s),
.DCLK (up_clk),
.DEN (up_drp_sel),
.DADDR (up_drp_addr[6:0]),
.DWE (up_drp_wr),
.DI (up_drp_wdata),
.DO (up_drp_rdata_s),
.DRDY (up_drp_ready_s),
.CLKFBOUTB (),
.CLKOUT0B (),
.CLKOUT1B (),
.CLKOUT2B (),
.CLKOUT3 (),
.CLKOUT3B (),
.CLKOUT4 (),
.CLKOUT5 (),
.CLKOUT6 (),
.CLKIN2 (clk2),
.CLKINSEL (clk_sel),
.PSCLK (1'b0),
.PSEN (1'b0),
.PSINCDEC (1'b0),
.PSDONE (),
.CLKINSTOPPED (),
.CLKFBSTOPPED (),
.PWRDWN (1'b0),
.RST (mmcm_rst));
BUFG i_fb_clk_bufg (.I (mmcm_fb_clk_s), .O (bufg_fb_clk_s));
BUFG i_clk_0_bufg (.I (mmcm_clk_0_s), .O (mmcm_clk_0));
BUFG i_clk_1_bufg (.I (mmcm_clk_1_s), .O (mmcm_clk_1));
BUFG i_clk_2_bufg (.I (mmcm_clk_2_s), .O (mmcm_clk_2));
end else if (MMCM_DEVICE_TYPE == MMCM_DEVICE_ULTRASCALE) begin
MMCME3_ADV #(
.BANDWIDTH ("OPTIMIZED"),
.CLKOUT4_CASCADE ("FALSE"),
.COMPENSATION ("AUTO"),
.STARTUP_WAIT ("FALSE"),
.DIVCLK_DIVIDE (MMCM_VCO_DIV),
.CLKFBOUT_MULT_F (MMCM_VCO_MUL),
.CLKFBOUT_PHASE (0.000),
.CLKFBOUT_USE_FINE_PS ("FALSE"),
.CLKOUT0_DIVIDE_F (MMCM_CLK0_DIV),
.CLKOUT0_PHASE (MMCM_CLK0_PHASE),
.CLKOUT0_DUTY_CYCLE (0.500),
.CLKOUT0_USE_FINE_PS ("FALSE"),
.CLKOUT1_DIVIDE (MMCM_CLK1_DIV),
.CLKOUT1_PHASE (MMCM_CLK1_PHASE),
.CLKOUT1_DUTY_CYCLE (0.500),
.CLKOUT1_USE_FINE_PS ("FALSE"),
.CLKOUT2_DIVIDE (MMCM_CLK2_DIV),
.CLKOUT2_PHASE (MMCM_CLK2_PHASE),
.CLKOUT2_DUTY_CYCLE (0.500),
.CLKOUT2_USE_FINE_PS ("FALSE"),
.CLKIN1_PERIOD (MMCM_CLKIN_PERIOD),
.CLKIN2_PERIOD (MMCM_CLKIN2_PERIOD),
.REF_JITTER1 (0.010))
i_mmcme3 (
.CLKIN1 (clk),
.CLKFBIN (bufg_fb_clk_s),
.CLKFBOUT (mmcm_fb_clk_s),
.CLKOUT0 (mmcm_clk_0_s),
.CLKOUT1 (mmcm_clk_1_s),
.CLKOUT2 (mmcm_clk_2_s),
.LOCKED (mmcm_locked_s),
.DCLK (up_clk),
.DEN (up_drp_sel),
.DADDR (up_drp_addr[6:0]),
.DWE (up_drp_wr),
.DI (up_drp_wdata),
.DO (up_drp_rdata_s),
.DRDY (up_drp_ready_s),
.CLKFBOUTB (),
.CLKOUT0B (),
.CLKOUT1B (),
.CLKOUT2B (),
.CLKOUT3 (),
.CLKOUT3B (),
.CLKOUT4 (),
.CLKOUT5 (),
.CLKOUT6 (),
.CLKIN2 (clk2),
.CLKINSEL (clk_sel),
.PSCLK (1'b0),
.PSEN (1'b0),
.PSINCDEC (1'b0),
.PSDONE (),
.CLKINSTOPPED (),
.CLKFBSTOPPED (),
.PWRDWN (1'b0),
.CDDCREQ (1'b0),
.CDDCDONE (),
.RST (mmcm_rst));
BUFG i_fb_clk_bufg (.I (mmcm_fb_clk_s), .O (bufg_fb_clk_s));
BUFG i_clk_0_bufg (.I (mmcm_clk_0_s), .O (mmcm_clk_0));
BUFG i_clk_1_bufg (.I (mmcm_clk_1_s), .O (mmcm_clk_1));
BUFG i_clk_2_bufg (.I (mmcm_clk_2_s), .O (mmcm_clk_2));
end else if (MMCM_DEVICE_TYPE == MMCM_DEVICE_VIRTEX6) begin
MMCM_ADV #(
.BANDWIDTH ("OPTIMIZED"),
.CLKOUT4_CASCADE ("FALSE"),
.CLOCK_HOLD ("FALSE"),
.COMPENSATION ("ZHOLD"),
.STARTUP_WAIT ("FALSE"),
.DIVCLK_DIVIDE (MMCM_VCO_DIV),
.CLKFBOUT_MULT_F (MMCM_VCO_MUL),
.CLKFBOUT_PHASE (0.000),
.CLKFBOUT_USE_FINE_PS ("FALSE"),
.CLKOUT0_DIVIDE_F (MMCM_CLK0_DIV),
.CLKOUT0_PHASE (MMCM_CLK0_PHASE),
.CLKOUT0_DUTY_CYCLE (0.500),
.CLKOUT0_USE_FINE_PS ("FALSE"),
.CLKOUT1_DIVIDE (MMCM_CLK1_DIV),
.CLKOUT1_PHASE (MMCM_CLK1_PHASE),
.CLKOUT1_DUTY_CYCLE (0.500),
.CLKOUT1_USE_FINE_PS ("FALSE"),
.CLKOUT2_DIVIDE (MMCM_CLK2_DIV),
.CLKOUT2_PHASE (MMCM_CLK2_PHASE),
.CLKOUT2_DUTY_CYCLE (0.500),
.CLKOUT2_USE_FINE_PS ("FALSE"),
.CLKIN1_PERIOD (MMCM_CLKIN_PERIOD),
.CLKIN2_PERIOD (MMCM_CLKIN2_PERIOD),
.REF_JITTER1 (0.010))
i_mmcm (
.CLKIN1 (clk),
.CLKFBIN (bufg_fb_clk_s),
.CLKFBOUT (mmcm_fb_clk_s),
.CLKOUT0 (mmcm_clk_0_s),
.CLKOUT1 (mmcm_clk_1_s),
.CLKOUT2 (mmcm_clk_2_s),
.LOCKED (mmcm_locked_s),
.DCLK (up_clk),
.DEN (up_drp_sel),
.DADDR (up_drp_addr[6:0]),
.DWE (up_drp_wr),
.DI (up_drp_wdata),
.DO (up_drp_rdata_s),
.DRDY (up_drp_ready_s),
.CLKFBOUTB (),
.CLKOUT0B (),
.CLKOUT1B (),
.CLKOUT2B (),
.CLKOUT3 (),
.CLKOUT3B (),
.CLKOUT4 (),
.CLKOUT5 (),
.CLKOUT6 (),
.CLKIN2 (clk2),
.CLKINSEL (clk_sel),
.PSCLK (1'b0),
.PSEN (1'b0),
.PSINCDEC (1'b0),
.PSDONE (),
.CLKINSTOPPED (),
.CLKFBSTOPPED (),
.PWRDWN (1'b0),
.RST (mmcm_rst));
BUFG i_fb_clk_bufg (.I (mmcm_fb_clk_s), .O (bufg_fb_clk_s));
BUFG i_clk_0_bufg (.I (mmcm_clk_0_s), .O (mmcm_clk_0));
BUFG i_clk_1_bufg (.I (mmcm_clk_1_s), .O (mmcm_clk_1));
BUFG i_clk_2_bufg (.I (mmcm_clk_2_s), .O (mmcm_clk_2));
end
endgenerate
endmodule
// ***************************************************************************
// ***************************************************************************
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