Loading phy/phy_top.v +4 −4 Original line number Original line Diff line number Diff line Loading @@ -140,7 +140,7 @@ module phy_top #( .rst (rst), .rst (rst), .dci_disable_dqs (dci_disable_dqs), // disable DCI termination during writes and idle for dqs .dci_disable_dqs (dci_disable_dqs), // disable DCI termination during writes and idle for dqs .dci_disable_dq (dci_disable_dq), // disable DCI termination during writes and idle for dq and dm signals .dci_disable_dq (dci_disable_dq), // disable DCI termination during writes and idle for dq and dm signals .din (din[31:0]), // parallel data to be sent out (4 bits per DG I/)) .din (din[31:0]), // parallel data to be sent out (4 bits per DQ I/O)) .din_dm (din_dm[3:0]), // parallel data to be sent out over DM .din_dm (din_dm[3:0]), // parallel data to be sent out over DM .tin_dq (tin_dq[3:0]), // tristate for data out (sent out earlier than data!) and dm .tin_dq (tin_dq[3:0]), // tristate for data out (sent out earlier than data!) and dm .din_dqs (din_dqs[3:0]), // parallel data to be sent out over DQS .din_dqs (din_dqs[3:0]), // parallel data to be sent out over DQS Loading @@ -148,7 +148,7 @@ module phy_top #( .dout (dout[31:0]), // parallel data received from DDR3 memory, 4 bits per DQ I/O .dout (dout[31:0]), // parallel data received from DDR3 memory, 4 bits per DQ I/O .dly_data (dly_data[7:0]), // delay value (3 LSB - fine delay) .dly_data (dly_data[7:0]), // delay value (3 LSB - fine delay) .dly_addr (dly_addr[4:0]), // select which delay to program .dly_addr (dly_addr[4:0]), // select which delay to program .ld_delay (ld_data_l), // load delay data to selected iodelayl (clk_iv synchronous) .ld_delay (ld_data_l), // load delay data to selected iodelayl (clk_div synchronous) .set (set) // clk_div synchronous set all delays from previously loaded values .set (set) // clk_div synchronous set all delays from previously loaded values ); ); Loading @@ -172,7 +172,7 @@ module phy_top #( .rst (rst), .rst (rst), .dci_disable_dqs (dci_disable_dqs), // disable DCI termination during writes and idle for dqs .dci_disable_dqs (dci_disable_dqs), // disable DCI termination during writes and idle for dqs .dci_disable_dq (dci_disable_dq), // disable DCI termination during writes and idle for dq and dm signals .dci_disable_dq (dci_disable_dq), // disable DCI termination during writes and idle for dq and dm signals .din (din[63:32]), // parallel data to be sent out (4 bits per DG I/)) .din (din[63:32]), // parallel data to be sent out (4 bits per DQ I/O)) .din_dm (din_dm[7:4]), // parallel data to be sent out over DM .din_dm (din_dm[7:4]), // parallel data to be sent out over DM .tin_dq (tin_dq[7:4]), // tristate for data out (sent out earlier than data!) and dm .tin_dq (tin_dq[7:4]), // tristate for data out (sent out earlier than data!) and dm .din_dqs (din_dqs[7:4]), // parallel data to be sent out over DQS .din_dqs (din_dqs[7:4]), // parallel data to be sent out over DQS Loading @@ -180,7 +180,7 @@ module phy_top #( .dout (dout[63:32]), // parallel data received from DDR3 memory, 4 bits per DQ I/O .dout (dout[63:32]), // parallel data received from DDR3 memory, 4 bits per DQ I/O .dly_data (dly_data[7:0]), // delay value (3 LSB - fine delay) .dly_data (dly_data[7:0]), // delay value (3 LSB - fine delay) .dly_addr (dly_addr[4:0]), // select which delay to program .dly_addr (dly_addr[4:0]), // select which delay to program .ld_delay (ld_data_h), // load delay data to selected iodelayl (clk_iv synchronous) .ld_delay (ld_data_h), // load delay data to selected iodelayl (clk_div synchronous) .set (set) // clk_div synchronous set all delays from previously loaded values .set (set) // clk_div synchronous set all delays from previously loaded values ); ); Loading phy/wrap/mmcm_adv.v +157 −83 Original line number Original line Diff line number Diff line Loading @@ -20,94 +20,168 @@ *******************************************************************************/ *******************************************************************************/ `timescale 1ns/1ps `timescale 1ns/1ps module mmcm_adv( module mmcm_adv#( parameter CLKIN1_PERIOD = 0.000, // input period in ns, 0..100.000 - MANDATORY, resolution down to 1 ps parameter CLKIN2_PERIOD = 0.000, // input period in ns, 0..100.000 - MANDATORY, resolution down to 1 ps parameter BANDWIDTH = "OPTIMIZED", //"OPTIMIZED", "HIGH","LOW" parameter CLKFBOUT_MULT_F = 5.000, // 2.0 to 64.0 . Together with CLKOUT#_DIVIDE and DIVCLK_DIVIDE parameter CLKFBOUT_PHASE = 0.000, // CLOCK FEEDBACK phase in degrees (3 significant digits, -360.000...+360.000) parameter CLKOUT0_PHASE = 0.000, // CLOCK0 phase in degrees (3 significant digits, -360.000...+360.000) parameter CLKOUT1_PHASE = 0.000, // Initial/static fine phase shift, 1/(56*Fvco) actual step parameter CLKOUT2_PHASE = 0.000, parameter CLKOUT3_PHASE = 0.000, parameter CLKOUT4_PHASE = 0.000, parameter CLKOUT5_PHASE = 0.000, parameter CLKOUT6_PHASE = 0.000, parameter CLKOUT0_DUTY_CYCLE= 0.5, // CLOCK 0 output duty factor, 3 significant digits parameter CLKOUT1_DUTY_CYCLE= 0.5, parameter CLKOUT2_DUTY_CYCLE= 0.5, parameter CLKOUT3_DUTY_CYCLE= 0.5, parameter CLKOUT4_DUTY_CYCLE= 0.5, parameter CLKOUT5_DUTY_CYCLE= 0.5, parameter CLKOUT6_DUTY_CYCLE= 0.5, parameter CLKOUT4_CASCADE= "FALSE", // cascades the output6 divider to the input for output 4 parameter CLKFBOUT_USE_FINE_PS = "FALSE", // Enable variable fine pase shift. Enable 1/(56*Fvco) phase inceremnts, round-robin parameter CLKOUT0_USE_FINE_PS = "FALSE", // Same fine phase shift for all outputs where this attribute is "TRUE" parameter CLKOUT1_USE_FINE_PS = "FALSE", // Not compatible with fractional divide parameter CLKOUT2_USE_FINE_PS = "FALSE", parameter CLKOUT3_USE_FINE_PS = "FALSE", parameter CLKOUT4_USE_FINE_PS = "FALSE", parameter CLKOUT5_USE_FINE_PS = "FALSE", parameter CLKOUT6_USE_FINE_PS = "FALSE", parameter CLKOUT0_DIVIDE_F = 1.000, // CLK0 outout divide, floating 1.000..128.000 parameter CLKOUT1_DIVIDE = 1, // CLK1 outout divide, integer 1..128 (determins a phase step as a fraction of pi/4) parameter CLKOUT2_DIVIDE = 1, parameter CLKOUT3_DIVIDE = 1, parameter CLKOUT4_DIVIDE = 1, parameter CLKOUT5_DIVIDE = 1, parameter CLKOUT6_DIVIDE = 1, parameter COMPENSATION= "ZHOLD", // "ZHOLD",BUF_IN","EXTERNAL","INTERNAL // ZHOLD - provide negative hold time on I/O registers // INTERNAL - using internal compensation no deley is compensated // EXTERNAL - external to the FPGA network is being compensated // BUF_IN - no compensation when clock input is driveen by BUFG/BUFH/BUFR or GT parameter DIVCLK_DIVIDE = 1, // Integer 1..106. Divides all outputs with respect to CLKIN parameter REF_JITTER1 = 0.010, // Expectet jitter on CLKIN1 (0.000..0.999) parameter REF_JITTER2 = 0.010, parameter SS_EN = "FALSE", // Enables Spread Spectrum mode parameter SS_MODE = "CENTER_HIGH",//"CENTER_HIGH","CENTER_LOW","DOWN_HIGH","DOWN_LOW" parameter SS_MOD_PERIOD = 10000, // integer 4000-40000 - SS modulation period in ns parameter STARTUP_WAIT = "FALSE" // Delays "DONE" signal until MMCM is locked ) ( input clkin1, // General clock input input clkin2, // Secondary clock input input clkfbin, // Feedback clock input input clkinsel, // Clock select input : 1 - clkin1, 0 - clkin2 input rst, // asynchronous reset input input pwrdwn, // power down input input psclk, // phase shift clock input input psen, // phase shift enable input input psincdec, // phase shift direction input (1 - increment, 0 - decrement) output psdone, // phase shift done (12 clocks after psen output clkout0, // output 0, HPC BUFR/BUFIO capable output clkout1, // output 1, HPC BUFR/BUFIO capable output clkout2, // output 2, HPC BUFR/BUFIO capable output clkout3, // output 3, HPC BUFR/BUFIO capable output clkout4, // output 4, HPC BUFR/BUFIO not capable output clkout5, // output 5, HPC BUFR/BUFIO not capable output clkout6, // output 6, HPC BUFR/BUFIO not capable output clkout0b, // output 0, inverted output clkout1b, // output 1, inverted output clkout2b, // output 2, inverted output clkout3b, // output 3, inverted output clkfbout, // dedicate feedback output output clkfboutb,// inverted feedback output output locked // PLL locked output ); ); /* Instance template for module MMCME2_ADV */ MMCME2_ADV #( MMCME2_ADV #( .BANDWIDTH("OPTIMIZED"), .BANDWIDTH (BANDWIDTH), .CLKFBOUT_MULT_F(5.000), .CLKFBOUT_MULT_F (CLKFBOUT_MULT_F), .CLKFBOUT_PHASE(0.000), .CLKFBOUT_PHASE (CLKFBOUT_PHASE), .CLKFBOUT_USE_FINE_PS("FALSE"), .CLKFBOUT_USE_FINE_PS(CLKFBOUT_USE_FINE_PS), .CLKIN1_PERIOD(0.000), .CLKIN1_PERIOD (CLKIN1_PERIOD), .CLKIN2_PERIOD(0.000), .CLKIN2_PERIOD (CLKIN2_PERIOD), .CLKOUT0_DIVIDE_F(1.000), .CLKOUT0_DIVIDE_F (CLKOUT0_DIVIDE_F), .CLKOUT0_DUTY_CYCLE(0.500), .CLKOUT0_DUTY_CYCLE (CLKOUT0_DUTY_CYCLE), .CLKOUT0_PHASE(0.000), .CLKOUT0_PHASE (CLKOUT0_PHASE), .CLKOUT0_USE_FINE_PS("FALSE"), .CLKOUT0_USE_FINE_PS (CLKOUT0_USE_FINE_PS), .CLKOUT1_DIVIDE(1), .CLKOUT1_DIVIDE (CLKOUT1_DIVIDE), .CLKOUT1_DUTY_CYCLE(0.500), .CLKOUT1_DUTY_CYCLE (CLKOUT1_DUTY_CYCLE), .CLKOUT1_PHASE(0.000), .CLKOUT1_PHASE (CLKOUT1_PHASE), .CLKOUT1_USE_FINE_PS("FALSE"), .CLKOUT1_USE_FINE_PS (CLKOUT1_USE_FINE_PS), .CLKOUT2_DIVIDE(1), .CLKOUT2_DIVIDE (CLKOUT2_DIVIDE), .CLKOUT2_DUTY_CYCLE(0.500), .CLKOUT2_DUTY_CYCLE (CLKOUT2_DUTY_CYCLE), .CLKOUT2_PHASE(0.000), .CLKOUT2_PHASE (CLKOUT2_PHASE), .CLKOUT2_USE_FINE_PS("FALSE"), .CLKOUT2_USE_FINE_PS (CLKOUT2_USE_FINE_PS), .CLKOUT3_DIVIDE(1), .CLKOUT3_DIVIDE (CLKOUT3_DIVIDE), .CLKOUT3_DUTY_CYCLE(0.500), .CLKOUT3_DUTY_CYCLE (CLKOUT3_DUTY_CYCLE), .CLKOUT3_PHASE(0.000), .CLKOUT3_PHASE (CLKOUT3_PHASE), .CLKOUT3_USE_FINE_PS("FALSE"), .CLKOUT3_USE_FINE_PS (CLKOUT3_USE_FINE_PS), .CLKOUT4_CASCADE("FALSE"), .CLKOUT4_CASCADE (CLKOUT4_CASCADE), .CLKOUT4_DIVIDE(1), .CLKOUT4_DIVIDE (CLKOUT4_DIVIDE), .CLKOUT4_DUTY_CYCLE(0.500), .CLKOUT4_DUTY_CYCLE (CLKOUT4_DUTY_CYCLE), .CLKOUT4_PHASE(0.000), .CLKOUT4_PHASE (CLKOUT4_PHASE), .CLKOUT4_USE_FINE_PS("FALSE"), .CLKOUT4_USE_FINE_PS (CLKOUT4_USE_FINE_PS), .CLKOUT5_DIVIDE(1), .CLKOUT5_DIVIDE (CLKOUT5_DIVIDE), .CLKOUT5_DUTY_CYCLE(0.500), .CLKOUT5_DUTY_CYCLE (CLKOUT5_DUTY_CYCLE), .CLKOUT5_PHASE(0.000), .CLKOUT5_PHASE (CLKOUT5_PHASE), .CLKOUT5_USE_FINE_PS("FALSE"), .CLKOUT5_USE_FINE_PS (CLKOUT5_USE_FINE_PS), .CLKOUT6_DIVIDE(1), .CLKOUT6_DIVIDE (CLKOUT6_DIVIDE), .CLKOUT6_DUTY_CYCLE(0.500), .CLKOUT6_DUTY_CYCLE (CLKOUT6_DUTY_CYCLE), .CLKOUT6_PHASE(0.000), .CLKOUT6_PHASE (CLKOUT6_PHASE), .CLKOUT6_USE_FINE_PS("FALSE"), .CLKOUT6_USE_FINE_PS (CLKOUT6_USE_FINE_PS), .COMPENSATION("ZHOLD"), .COMPENSATION (COMPENSATION), .DIVCLK_DIVIDE(1), .DIVCLK_DIVIDE (DIVCLK_DIVIDE), .IS_CLKINSEL_INVERTED (1'b0), .IS_CLKINSEL_INVERTED (1'b0), .IS_PSEN_INVERTED (1'b0), .IS_PSEN_INVERTED (1'b0), .IS_PSINCDEC_INVERTED (1'b0), .IS_PSINCDEC_INVERTED (1'b0), .IS_PWRDWN_INVERTED (1'b0), .IS_PWRDWN_INVERTED (1'b0), .IS_RST_INVERTED (1'b0), .IS_RST_INVERTED (1'b0), .REF_JITTER1(0.010), .REF_JITTER1 (REF_JITTER1), .REF_JITTER2(0.010), .REF_JITTER2 (REF_JITTER2), .SS_EN("FALSE"), .SS_EN (SS_EN), .SS_MODE("CENTER_HIGH"), .SS_MODE (SS_MODE), .SS_MOD_PERIOD(10000), .SS_MOD_PERIOD (SS_MOD_PERIOD), .STARTUP_WAIT("FALSE") .STARTUP_WAIT (STARTUP_WAIT) ) MMCME2_ADV_i ( ) MMCME2_ADV_i ( .CLKFBOUT(), // output .CLKFBOUT (clkfbout), // output .CLKFBOUTB(), // output .CLKFBOUTB (clkfboutb), // output .CLKFBSTOPPED (), // output .CLKFBSTOPPED (), // output .CLKINSTOPPED (), // output .CLKINSTOPPED (), // output .CLKOUT0(), // output .CLKOUT0 (clkout0), // output .CLKOUT0B(), // output .CLKOUT0B (clkout0b), // output .CLKOUT1(), // output .CLKOUT1 (clkout1), // output .CLKOUT1B(), // output .CLKOUT1B (clkout1b), // output .CLKOUT2(), // output .CLKOUT2 (clkout2), // output .CLKOUT2B(), // output .CLKOUT2B (clkout2b), // output .CLKOUT3(), // output .CLKOUT3 (clkout3), // output .CLKOUT3B(), // output .CLKOUT3B (clkout3b), // output .CLKOUT4(), // output .CLKOUT4 (clkout4), // output .CLKOUT5(), // output .CLKOUT5 (clkout5), // output .CLKOUT6(), // output .CLKOUT6 (clkout6), // output .DO(), // output[15:0] .DO (), // Dynamic reconfiguration output[15:0] .DRDY(), // output .DRDY (), // Dynamic reconfiguration output .LOCKED(), // output .LOCKED (locked), // output .PSDONE(), // output .PSDONE (psdone), // output .CLKFBIN(), // input .CLKFBIN (clkfbin), // input .CLKIN1(), // input .CLKIN1 (clkin1), // input .CLKIN2(), // input .CLKIN2 (clkin2), // input .CLKINSEL(), // input .CLKINSEL (clkinsel), // input .DADDR(), // input[6:0] .DADDR (7'b0), // Dynamic reconfiguration address (input[6:0]) .DCLK(), // input .DCLK (1'b0), // Dynamic reconfiguration clock input .DEN(), // input .DEN (1'b0), // Dynamic reconfiguration enable input .DI(), // input[15:0] .DI (16'b0), // Dynamic reconfiguration data (input[15:0]) .DWE(), // input .DWE (1'b0), // Dynamic reconfiguration Write Enable input .PSCLK(), // input .PSCLK (psclk), // input .PSEN(), // input .PSEN (psen), // input .PSINCDEC(), // input .PSINCDEC (psincdec), // input .PWRDWN(), // input .PWRDWN (pwrdwn), // input .RST() // input .RST (rst) // input ); ); endmodule endmodule phy/wrap/mmcm_phase_cntr.v 0 → 100644 +217 −0 Original line number Original line Diff line number Diff line /******************************************************************************* * Module: mmcm_phase_cntr * Date:2014-05-01 * Author: Andrey Filippov * Description: MMCME2_ADV with phase counter, supporting absolute phase setting * * Copyright (c) 2014 Elphel, Inc. * mmcm_phase_cntr.v is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * mmcm_phase_cntr.v 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. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> . *******************************************************************************/ `timescale 1ns/1ps // all counters are two-clock cycle nets module mmcm_phase_cntr#( parameter PHASE_WIDTH= 8, // number of bits for te phase counter (depends on divisors) parameter CLKIN_PERIOD = 0.000, // input period in ns, 0..100.000 - MANDATORY, resolution down to 1 ps parameter BANDWIDTH = "OPTIMIZED", //"OPTIMIZED", "HIGH","LOW" parameter CLKFBOUT_MULT_F = 5.000, // 2.0 to 64.0 . Together with CLKOUT#_DIVIDE and DIVCLK_DIVIDE parameter CLKFBOUT_PHASE = 0.000, // CLOCK FEEDBACK phase in degrees (3 significant digits, -360.000...+360.000) parameter CLKOUT0_PHASE = 0.000, // CLOCK0 phase in degrees (3 significant digits, -360.000...+360.000) parameter CLKOUT1_PHASE = 0.000, // Initial/static fine phase shift, 1/(56*Fvco) actual step parameter CLKOUT2_PHASE = 0.000, parameter CLKOUT3_PHASE = 0.000, parameter CLKOUT4_PHASE = 0.000, parameter CLKOUT5_PHASE = 0.000, parameter CLKOUT6_PHASE = 0.000, parameter CLKOUT0_DUTY_CYCLE= 0.5, // CLOCK 0 output duty factor, 3 significant digits parameter CLKOUT1_DUTY_CYCLE= 0.5, parameter CLKOUT2_DUTY_CYCLE= 0.5, parameter CLKOUT3_DUTY_CYCLE= 0.5, parameter CLKOUT4_DUTY_CYCLE= 0.5, parameter CLKOUT5_DUTY_CYCLE= 0.5, parameter CLKOUT6_DUTY_CYCLE= 0.5, parameter CLKOUT4_CASCADE= "FALSE", // cascades the output6 divider to the input for output 4 parameter CLKFBOUT_USE_FINE_PS = "FALSE", // Enable variable fine pase shift. Enable 1/(56*Fvco) phase inceremnts, round-robin parameter CLKOUT0_USE_FINE_PS = "FALSE", // Same fine phase shift for all outputs where this attribute is "TRUE" parameter CLKOUT1_USE_FINE_PS = "FALSE", // Not compatible with fractional divide parameter CLKOUT2_USE_FINE_PS = "FALSE", parameter CLKOUT3_USE_FINE_PS = "FALSE", parameter CLKOUT4_USE_FINE_PS = "FALSE", parameter CLKOUT5_USE_FINE_PS = "FALSE", parameter CLKOUT6_USE_FINE_PS = "FALSE", parameter CLKOUT0_DIVIDE_F = 1.000, // CLK0 outout divide, floating 1.000..128.000 parameter CLKOUT1_DIVIDE = 1, // CLK1 outout divide, integer 1..128 (determins a phase step as a fraction of pi/4) parameter CLKOUT2_DIVIDE = 1, parameter CLKOUT3_DIVIDE = 1, parameter CLKOUT4_DIVIDE = 1, parameter CLKOUT5_DIVIDE = 1, parameter CLKOUT6_DIVIDE = 1, parameter COMPENSATION= "ZHOLD", // "ZHOLD",BUF_IN","EXTERNAL","INTERNAL // ZHOLD - provide negative hold time on I/O registers // INTERNAL - using internal compensation no deley is compensated // EXTERNAL - external to the FPGA network is being compensated // BUF_IN - no compensation when clock input is driveen by BUFG/BUFH/BUFR or GT parameter DIVCLK_DIVIDE = 1, // Integer 1..106. Divides all outputs with respect to CLKIN parameter REF_JITTER1 = 0.010, // Expectet jitter on CLKIN1 (0.000..0.999) parameter REF_JITTER2 = 0.010, parameter SS_EN = "FALSE", // Enables Spread Spectrum mode parameter SS_MODE = "CENTER_HIGH",//"CENTER_HIGH","CENTER_LOW","DOWN_HIGH","DOWN_LOW" parameter SS_MOD_PERIOD = 10000, // integer 4000-40000 - SS modulation period in ns parameter STARTUP_WAIT = "FALSE" // Delays "DONE" signal until MMCM is locked ) ( input clkin, // General clock input input clkfbin, // Feedback clock input input rst, // asynchronous reset input input pwrdwn, // power down input input psclk, // phase shift clock input input ps_we, // phase shift write eneble input [PHASE_WIDTH-1:0] ps_din, // phase shift data input (2-s complement) output ps_ready, // phase shift change finished output reg [PHASE_WIDTH-1:0] ps_dout, // current phase shift value output clkout0, // output 0, HPC BUFR/BUFIO capable output clkout1, // output 1, HPC BUFR/BUFIO capable output clkout2, // output 2, HPC BUFR/BUFIO capable output clkout3, // output 3, HPC BUFR/BUFIO capable output clkout4, // output 4, HPC BUFR/BUFIO not capable output clkout5, // output 5, HPC BUFR/BUFIO not capable output clkout6, // output 6, HPC BUFR/BUFIO not capable output clkout0b, // output 0, inverted output clkout1b, // output 1, inverted output clkout2b, // output 2, inverted output clkout3b, // output 3, inverted output clkfbout, // dedicate feedback output output clkfboutb,// inverted feedback output output locked // PLL locked output ); wire psen; // phase shift enable input reg psincdec; // phase shift direction input (1 - increment, 0 - decrement) wire psdone; // phase shift done (12 clocks after psen reg [PHASE_WIDTH-1:0] ps_target; reg ps_busy=0; reg ps_start0, ps_start; assign ps_ready=!ps_busy && locked && ps_start0 && ps_start; assign psen=ps_start && (diff != 0); wire [PHASE_WIDTH:0] diff= ps_target-ps_dout; always @ (posedge psclk or posedge rst) begin if (rst) ps_start0 <= 0; else ps_start0 <= ps_we && ps_ready; if (rst) ps_dout <= 0; else if (psen && psincdec) ps_dout <= ps_dout +1; else if (psen && !psincdec) ps_dout <= ps_dout -1; if (rst) ps_target <= 0; else if (ps_we && ps_ready) ps_target <= ps_din; if (rst) ps_busy <= 1'b0; else if (ps_start) ps_busy <= (diff!=0); end always @ (posedge psclk) begin ps_start <= ps_start0 || psdone; psincdec <= !diff[PHASE_WIDTH]; end MMCME2_ADV #( .BANDWIDTH (BANDWIDTH), .CLKFBOUT_MULT_F (CLKFBOUT_MULT_F), .CLKFBOUT_PHASE (CLKFBOUT_PHASE), .CLKFBOUT_USE_FINE_PS(CLKFBOUT_USE_FINE_PS), .CLKIN1_PERIOD (CLKIN_PERIOD), .CLKIN2_PERIOD (0), .CLKOUT0_DIVIDE_F (CLKOUT0_DIVIDE_F), .CLKOUT0_DUTY_CYCLE (CLKOUT0_DUTY_CYCLE), .CLKOUT0_PHASE (CLKOUT0_PHASE), .CLKOUT0_USE_FINE_PS (CLKOUT0_USE_FINE_PS), .CLKOUT1_DIVIDE (CLKOUT1_DIVIDE), .CLKOUT1_DUTY_CYCLE (CLKOUT1_DUTY_CYCLE), .CLKOUT1_PHASE (CLKOUT1_PHASE), .CLKOUT1_USE_FINE_PS (CLKOUT1_USE_FINE_PS), .CLKOUT2_DIVIDE (CLKOUT2_DIVIDE), .CLKOUT2_DUTY_CYCLE (CLKOUT2_DUTY_CYCLE), .CLKOUT2_PHASE (CLKOUT2_PHASE), .CLKOUT2_USE_FINE_PS (CLKOUT2_USE_FINE_PS), .CLKOUT3_DIVIDE (CLKOUT3_DIVIDE), .CLKOUT3_DUTY_CYCLE (CLKOUT3_DUTY_CYCLE), .CLKOUT3_PHASE (CLKOUT3_PHASE), .CLKOUT3_USE_FINE_PS (CLKOUT3_USE_FINE_PS), .CLKOUT4_CASCADE (CLKOUT4_CASCADE), .CLKOUT4_DIVIDE (CLKOUT4_DIVIDE), .CLKOUT4_DUTY_CYCLE (CLKOUT4_DUTY_CYCLE), .CLKOUT4_PHASE (CLKOUT4_PHASE), .CLKOUT4_USE_FINE_PS (CLKOUT4_USE_FINE_PS), .CLKOUT5_DIVIDE (CLKOUT5_DIVIDE), .CLKOUT5_DUTY_CYCLE (CLKOUT5_DUTY_CYCLE), .CLKOUT5_PHASE (CLKOUT5_PHASE), .CLKOUT5_USE_FINE_PS (CLKOUT5_USE_FINE_PS), .CLKOUT6_DIVIDE (CLKOUT6_DIVIDE), .CLKOUT6_DUTY_CYCLE (CLKOUT6_DUTY_CYCLE), .CLKOUT6_PHASE (CLKOUT6_PHASE), .CLKOUT6_USE_FINE_PS (CLKOUT6_USE_FINE_PS), .COMPENSATION (COMPENSATION), .DIVCLK_DIVIDE (DIVCLK_DIVIDE), .IS_CLKINSEL_INVERTED (1'b0), .IS_PSEN_INVERTED (1'b0), .IS_PSINCDEC_INVERTED (1'b0), .IS_PWRDWN_INVERTED (1'b0), .IS_RST_INVERTED (1'b0), .REF_JITTER1 (REF_JITTER1), .REF_JITTER2 (REF_JITTER2), .SS_EN (SS_EN), .SS_MODE (SS_MODE), .SS_MOD_PERIOD (SS_MOD_PERIOD), .STARTUP_WAIT (STARTUP_WAIT) ) MMCME2_ADV_i ( .CLKFBOUT (clkfbout), // output .CLKFBOUTB (clkfboutb), // output .CLKFBSTOPPED (), // output .CLKINSTOPPED (), // output .CLKOUT0 (clkout0), // output .CLKOUT0B (clkout0b), // output .CLKOUT1 (clkout1), // output .CLKOUT1B (clkout1b), // output .CLKOUT2 (clkout2), // output .CLKOUT2B (clkout2b), // output .CLKOUT3 (clkout3), // output .CLKOUT3B (clkout3b), // output .CLKOUT4 (clkout4), // output .CLKOUT5 (clkout5), // output .CLKOUT6 (clkout6), // output .DO (), // Dynamic reconfiguration output[15:0] .DRDY (), // Dynamic reconfiguration output .LOCKED (locked), // output .PSDONE (psdone), // output .CLKFBIN (clkfbin), // input .CLKIN1 (clkin), // input .CLKIN2 (1'b0), // input .CLKINSEL (1'b1), // input Select CLKIN1 .DADDR (7'b0), // Dynamic reconfiguration address (input[6:0]) .DCLK (1'b0), // Dynamic reconfiguration clock input .DEN (1'b0), // Dynamic reconfiguration enable input .DI (16'b0), // Dynamic reconfiguration data (input[15:0]) .DWE (1'b0), // Dynamic reconfiguration Write Enable input .PSCLK (psclk), // input .PSEN (psen), // input .PSINCDEC (psincdec), // input .PWRDWN (pwrdwn), // input .RST (rst) // input ); endmodule Loading
phy/phy_top.v +4 −4 Original line number Original line Diff line number Diff line Loading @@ -140,7 +140,7 @@ module phy_top #( .rst (rst), .rst (rst), .dci_disable_dqs (dci_disable_dqs), // disable DCI termination during writes and idle for dqs .dci_disable_dqs (dci_disable_dqs), // disable DCI termination during writes and idle for dqs .dci_disable_dq (dci_disable_dq), // disable DCI termination during writes and idle for dq and dm signals .dci_disable_dq (dci_disable_dq), // disable DCI termination during writes and idle for dq and dm signals .din (din[31:0]), // parallel data to be sent out (4 bits per DG I/)) .din (din[31:0]), // parallel data to be sent out (4 bits per DQ I/O)) .din_dm (din_dm[3:0]), // parallel data to be sent out over DM .din_dm (din_dm[3:0]), // parallel data to be sent out over DM .tin_dq (tin_dq[3:0]), // tristate for data out (sent out earlier than data!) and dm .tin_dq (tin_dq[3:0]), // tristate for data out (sent out earlier than data!) and dm .din_dqs (din_dqs[3:0]), // parallel data to be sent out over DQS .din_dqs (din_dqs[3:0]), // parallel data to be sent out over DQS Loading @@ -148,7 +148,7 @@ module phy_top #( .dout (dout[31:0]), // parallel data received from DDR3 memory, 4 bits per DQ I/O .dout (dout[31:0]), // parallel data received from DDR3 memory, 4 bits per DQ I/O .dly_data (dly_data[7:0]), // delay value (3 LSB - fine delay) .dly_data (dly_data[7:0]), // delay value (3 LSB - fine delay) .dly_addr (dly_addr[4:0]), // select which delay to program .dly_addr (dly_addr[4:0]), // select which delay to program .ld_delay (ld_data_l), // load delay data to selected iodelayl (clk_iv synchronous) .ld_delay (ld_data_l), // load delay data to selected iodelayl (clk_div synchronous) .set (set) // clk_div synchronous set all delays from previously loaded values .set (set) // clk_div synchronous set all delays from previously loaded values ); ); Loading @@ -172,7 +172,7 @@ module phy_top #( .rst (rst), .rst (rst), .dci_disable_dqs (dci_disable_dqs), // disable DCI termination during writes and idle for dqs .dci_disable_dqs (dci_disable_dqs), // disable DCI termination during writes and idle for dqs .dci_disable_dq (dci_disable_dq), // disable DCI termination during writes and idle for dq and dm signals .dci_disable_dq (dci_disable_dq), // disable DCI termination during writes and idle for dq and dm signals .din (din[63:32]), // parallel data to be sent out (4 bits per DG I/)) .din (din[63:32]), // parallel data to be sent out (4 bits per DQ I/O)) .din_dm (din_dm[7:4]), // parallel data to be sent out over DM .din_dm (din_dm[7:4]), // parallel data to be sent out over DM .tin_dq (tin_dq[7:4]), // tristate for data out (sent out earlier than data!) and dm .tin_dq (tin_dq[7:4]), // tristate for data out (sent out earlier than data!) and dm .din_dqs (din_dqs[7:4]), // parallel data to be sent out over DQS .din_dqs (din_dqs[7:4]), // parallel data to be sent out over DQS Loading @@ -180,7 +180,7 @@ module phy_top #( .dout (dout[63:32]), // parallel data received from DDR3 memory, 4 bits per DQ I/O .dout (dout[63:32]), // parallel data received from DDR3 memory, 4 bits per DQ I/O .dly_data (dly_data[7:0]), // delay value (3 LSB - fine delay) .dly_data (dly_data[7:0]), // delay value (3 LSB - fine delay) .dly_addr (dly_addr[4:0]), // select which delay to program .dly_addr (dly_addr[4:0]), // select which delay to program .ld_delay (ld_data_h), // load delay data to selected iodelayl (clk_iv synchronous) .ld_delay (ld_data_h), // load delay data to selected iodelayl (clk_div synchronous) .set (set) // clk_div synchronous set all delays from previously loaded values .set (set) // clk_div synchronous set all delays from previously loaded values ); ); Loading
phy/wrap/mmcm_adv.v +157 −83 Original line number Original line Diff line number Diff line Loading @@ -20,94 +20,168 @@ *******************************************************************************/ *******************************************************************************/ `timescale 1ns/1ps `timescale 1ns/1ps module mmcm_adv( module mmcm_adv#( parameter CLKIN1_PERIOD = 0.000, // input period in ns, 0..100.000 - MANDATORY, resolution down to 1 ps parameter CLKIN2_PERIOD = 0.000, // input period in ns, 0..100.000 - MANDATORY, resolution down to 1 ps parameter BANDWIDTH = "OPTIMIZED", //"OPTIMIZED", "HIGH","LOW" parameter CLKFBOUT_MULT_F = 5.000, // 2.0 to 64.0 . Together with CLKOUT#_DIVIDE and DIVCLK_DIVIDE parameter CLKFBOUT_PHASE = 0.000, // CLOCK FEEDBACK phase in degrees (3 significant digits, -360.000...+360.000) parameter CLKOUT0_PHASE = 0.000, // CLOCK0 phase in degrees (3 significant digits, -360.000...+360.000) parameter CLKOUT1_PHASE = 0.000, // Initial/static fine phase shift, 1/(56*Fvco) actual step parameter CLKOUT2_PHASE = 0.000, parameter CLKOUT3_PHASE = 0.000, parameter CLKOUT4_PHASE = 0.000, parameter CLKOUT5_PHASE = 0.000, parameter CLKOUT6_PHASE = 0.000, parameter CLKOUT0_DUTY_CYCLE= 0.5, // CLOCK 0 output duty factor, 3 significant digits parameter CLKOUT1_DUTY_CYCLE= 0.5, parameter CLKOUT2_DUTY_CYCLE= 0.5, parameter CLKOUT3_DUTY_CYCLE= 0.5, parameter CLKOUT4_DUTY_CYCLE= 0.5, parameter CLKOUT5_DUTY_CYCLE= 0.5, parameter CLKOUT6_DUTY_CYCLE= 0.5, parameter CLKOUT4_CASCADE= "FALSE", // cascades the output6 divider to the input for output 4 parameter CLKFBOUT_USE_FINE_PS = "FALSE", // Enable variable fine pase shift. Enable 1/(56*Fvco) phase inceremnts, round-robin parameter CLKOUT0_USE_FINE_PS = "FALSE", // Same fine phase shift for all outputs where this attribute is "TRUE" parameter CLKOUT1_USE_FINE_PS = "FALSE", // Not compatible with fractional divide parameter CLKOUT2_USE_FINE_PS = "FALSE", parameter CLKOUT3_USE_FINE_PS = "FALSE", parameter CLKOUT4_USE_FINE_PS = "FALSE", parameter CLKOUT5_USE_FINE_PS = "FALSE", parameter CLKOUT6_USE_FINE_PS = "FALSE", parameter CLKOUT0_DIVIDE_F = 1.000, // CLK0 outout divide, floating 1.000..128.000 parameter CLKOUT1_DIVIDE = 1, // CLK1 outout divide, integer 1..128 (determins a phase step as a fraction of pi/4) parameter CLKOUT2_DIVIDE = 1, parameter CLKOUT3_DIVIDE = 1, parameter CLKOUT4_DIVIDE = 1, parameter CLKOUT5_DIVIDE = 1, parameter CLKOUT6_DIVIDE = 1, parameter COMPENSATION= "ZHOLD", // "ZHOLD",BUF_IN","EXTERNAL","INTERNAL // ZHOLD - provide negative hold time on I/O registers // INTERNAL - using internal compensation no deley is compensated // EXTERNAL - external to the FPGA network is being compensated // BUF_IN - no compensation when clock input is driveen by BUFG/BUFH/BUFR or GT parameter DIVCLK_DIVIDE = 1, // Integer 1..106. Divides all outputs with respect to CLKIN parameter REF_JITTER1 = 0.010, // Expectet jitter on CLKIN1 (0.000..0.999) parameter REF_JITTER2 = 0.010, parameter SS_EN = "FALSE", // Enables Spread Spectrum mode parameter SS_MODE = "CENTER_HIGH",//"CENTER_HIGH","CENTER_LOW","DOWN_HIGH","DOWN_LOW" parameter SS_MOD_PERIOD = 10000, // integer 4000-40000 - SS modulation period in ns parameter STARTUP_WAIT = "FALSE" // Delays "DONE" signal until MMCM is locked ) ( input clkin1, // General clock input input clkin2, // Secondary clock input input clkfbin, // Feedback clock input input clkinsel, // Clock select input : 1 - clkin1, 0 - clkin2 input rst, // asynchronous reset input input pwrdwn, // power down input input psclk, // phase shift clock input input psen, // phase shift enable input input psincdec, // phase shift direction input (1 - increment, 0 - decrement) output psdone, // phase shift done (12 clocks after psen output clkout0, // output 0, HPC BUFR/BUFIO capable output clkout1, // output 1, HPC BUFR/BUFIO capable output clkout2, // output 2, HPC BUFR/BUFIO capable output clkout3, // output 3, HPC BUFR/BUFIO capable output clkout4, // output 4, HPC BUFR/BUFIO not capable output clkout5, // output 5, HPC BUFR/BUFIO not capable output clkout6, // output 6, HPC BUFR/BUFIO not capable output clkout0b, // output 0, inverted output clkout1b, // output 1, inverted output clkout2b, // output 2, inverted output clkout3b, // output 3, inverted output clkfbout, // dedicate feedback output output clkfboutb,// inverted feedback output output locked // PLL locked output ); ); /* Instance template for module MMCME2_ADV */ MMCME2_ADV #( MMCME2_ADV #( .BANDWIDTH("OPTIMIZED"), .BANDWIDTH (BANDWIDTH), .CLKFBOUT_MULT_F(5.000), .CLKFBOUT_MULT_F (CLKFBOUT_MULT_F), .CLKFBOUT_PHASE(0.000), .CLKFBOUT_PHASE (CLKFBOUT_PHASE), .CLKFBOUT_USE_FINE_PS("FALSE"), .CLKFBOUT_USE_FINE_PS(CLKFBOUT_USE_FINE_PS), .CLKIN1_PERIOD(0.000), .CLKIN1_PERIOD (CLKIN1_PERIOD), .CLKIN2_PERIOD(0.000), .CLKIN2_PERIOD (CLKIN2_PERIOD), .CLKOUT0_DIVIDE_F(1.000), .CLKOUT0_DIVIDE_F (CLKOUT0_DIVIDE_F), .CLKOUT0_DUTY_CYCLE(0.500), .CLKOUT0_DUTY_CYCLE (CLKOUT0_DUTY_CYCLE), .CLKOUT0_PHASE(0.000), .CLKOUT0_PHASE (CLKOUT0_PHASE), .CLKOUT0_USE_FINE_PS("FALSE"), .CLKOUT0_USE_FINE_PS (CLKOUT0_USE_FINE_PS), .CLKOUT1_DIVIDE(1), .CLKOUT1_DIVIDE (CLKOUT1_DIVIDE), .CLKOUT1_DUTY_CYCLE(0.500), .CLKOUT1_DUTY_CYCLE (CLKOUT1_DUTY_CYCLE), .CLKOUT1_PHASE(0.000), .CLKOUT1_PHASE (CLKOUT1_PHASE), .CLKOUT1_USE_FINE_PS("FALSE"), .CLKOUT1_USE_FINE_PS (CLKOUT1_USE_FINE_PS), .CLKOUT2_DIVIDE(1), .CLKOUT2_DIVIDE (CLKOUT2_DIVIDE), .CLKOUT2_DUTY_CYCLE(0.500), .CLKOUT2_DUTY_CYCLE (CLKOUT2_DUTY_CYCLE), .CLKOUT2_PHASE(0.000), .CLKOUT2_PHASE (CLKOUT2_PHASE), .CLKOUT2_USE_FINE_PS("FALSE"), .CLKOUT2_USE_FINE_PS (CLKOUT2_USE_FINE_PS), .CLKOUT3_DIVIDE(1), .CLKOUT3_DIVIDE (CLKOUT3_DIVIDE), .CLKOUT3_DUTY_CYCLE(0.500), .CLKOUT3_DUTY_CYCLE (CLKOUT3_DUTY_CYCLE), .CLKOUT3_PHASE(0.000), .CLKOUT3_PHASE (CLKOUT3_PHASE), .CLKOUT3_USE_FINE_PS("FALSE"), .CLKOUT3_USE_FINE_PS (CLKOUT3_USE_FINE_PS), .CLKOUT4_CASCADE("FALSE"), .CLKOUT4_CASCADE (CLKOUT4_CASCADE), .CLKOUT4_DIVIDE(1), .CLKOUT4_DIVIDE (CLKOUT4_DIVIDE), .CLKOUT4_DUTY_CYCLE(0.500), .CLKOUT4_DUTY_CYCLE (CLKOUT4_DUTY_CYCLE), .CLKOUT4_PHASE(0.000), .CLKOUT4_PHASE (CLKOUT4_PHASE), .CLKOUT4_USE_FINE_PS("FALSE"), .CLKOUT4_USE_FINE_PS (CLKOUT4_USE_FINE_PS), .CLKOUT5_DIVIDE(1), .CLKOUT5_DIVIDE (CLKOUT5_DIVIDE), .CLKOUT5_DUTY_CYCLE(0.500), .CLKOUT5_DUTY_CYCLE (CLKOUT5_DUTY_CYCLE), .CLKOUT5_PHASE(0.000), .CLKOUT5_PHASE (CLKOUT5_PHASE), .CLKOUT5_USE_FINE_PS("FALSE"), .CLKOUT5_USE_FINE_PS (CLKOUT5_USE_FINE_PS), .CLKOUT6_DIVIDE(1), .CLKOUT6_DIVIDE (CLKOUT6_DIVIDE), .CLKOUT6_DUTY_CYCLE(0.500), .CLKOUT6_DUTY_CYCLE (CLKOUT6_DUTY_CYCLE), .CLKOUT6_PHASE(0.000), .CLKOUT6_PHASE (CLKOUT6_PHASE), .CLKOUT6_USE_FINE_PS("FALSE"), .CLKOUT6_USE_FINE_PS (CLKOUT6_USE_FINE_PS), .COMPENSATION("ZHOLD"), .COMPENSATION (COMPENSATION), .DIVCLK_DIVIDE(1), .DIVCLK_DIVIDE (DIVCLK_DIVIDE), .IS_CLKINSEL_INVERTED (1'b0), .IS_CLKINSEL_INVERTED (1'b0), .IS_PSEN_INVERTED (1'b0), .IS_PSEN_INVERTED (1'b0), .IS_PSINCDEC_INVERTED (1'b0), .IS_PSINCDEC_INVERTED (1'b0), .IS_PWRDWN_INVERTED (1'b0), .IS_PWRDWN_INVERTED (1'b0), .IS_RST_INVERTED (1'b0), .IS_RST_INVERTED (1'b0), .REF_JITTER1(0.010), .REF_JITTER1 (REF_JITTER1), .REF_JITTER2(0.010), .REF_JITTER2 (REF_JITTER2), .SS_EN("FALSE"), .SS_EN (SS_EN), .SS_MODE("CENTER_HIGH"), .SS_MODE (SS_MODE), .SS_MOD_PERIOD(10000), .SS_MOD_PERIOD (SS_MOD_PERIOD), .STARTUP_WAIT("FALSE") .STARTUP_WAIT (STARTUP_WAIT) ) MMCME2_ADV_i ( ) MMCME2_ADV_i ( .CLKFBOUT(), // output .CLKFBOUT (clkfbout), // output .CLKFBOUTB(), // output .CLKFBOUTB (clkfboutb), // output .CLKFBSTOPPED (), // output .CLKFBSTOPPED (), // output .CLKINSTOPPED (), // output .CLKINSTOPPED (), // output .CLKOUT0(), // output .CLKOUT0 (clkout0), // output .CLKOUT0B(), // output .CLKOUT0B (clkout0b), // output .CLKOUT1(), // output .CLKOUT1 (clkout1), // output .CLKOUT1B(), // output .CLKOUT1B (clkout1b), // output .CLKOUT2(), // output .CLKOUT2 (clkout2), // output .CLKOUT2B(), // output .CLKOUT2B (clkout2b), // output .CLKOUT3(), // output .CLKOUT3 (clkout3), // output .CLKOUT3B(), // output .CLKOUT3B (clkout3b), // output .CLKOUT4(), // output .CLKOUT4 (clkout4), // output .CLKOUT5(), // output .CLKOUT5 (clkout5), // output .CLKOUT6(), // output .CLKOUT6 (clkout6), // output .DO(), // output[15:0] .DO (), // Dynamic reconfiguration output[15:0] .DRDY(), // output .DRDY (), // Dynamic reconfiguration output .LOCKED(), // output .LOCKED (locked), // output .PSDONE(), // output .PSDONE (psdone), // output .CLKFBIN(), // input .CLKFBIN (clkfbin), // input .CLKIN1(), // input .CLKIN1 (clkin1), // input .CLKIN2(), // input .CLKIN2 (clkin2), // input .CLKINSEL(), // input .CLKINSEL (clkinsel), // input .DADDR(), // input[6:0] .DADDR (7'b0), // Dynamic reconfiguration address (input[6:0]) .DCLK(), // input .DCLK (1'b0), // Dynamic reconfiguration clock input .DEN(), // input .DEN (1'b0), // Dynamic reconfiguration enable input .DI(), // input[15:0] .DI (16'b0), // Dynamic reconfiguration data (input[15:0]) .DWE(), // input .DWE (1'b0), // Dynamic reconfiguration Write Enable input .PSCLK(), // input .PSCLK (psclk), // input .PSEN(), // input .PSEN (psen), // input .PSINCDEC(), // input .PSINCDEC (psincdec), // input .PWRDWN(), // input .PWRDWN (pwrdwn), // input .RST() // input .RST (rst) // input ); ); endmodule endmodule
phy/wrap/mmcm_phase_cntr.v 0 → 100644 +217 −0 Original line number Original line Diff line number Diff line /******************************************************************************* * Module: mmcm_phase_cntr * Date:2014-05-01 * Author: Andrey Filippov * Description: MMCME2_ADV with phase counter, supporting absolute phase setting * * Copyright (c) 2014 Elphel, Inc. * mmcm_phase_cntr.v is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * mmcm_phase_cntr.v 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. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> . *******************************************************************************/ `timescale 1ns/1ps // all counters are two-clock cycle nets module mmcm_phase_cntr#( parameter PHASE_WIDTH= 8, // number of bits for te phase counter (depends on divisors) parameter CLKIN_PERIOD = 0.000, // input period in ns, 0..100.000 - MANDATORY, resolution down to 1 ps parameter BANDWIDTH = "OPTIMIZED", //"OPTIMIZED", "HIGH","LOW" parameter CLKFBOUT_MULT_F = 5.000, // 2.0 to 64.0 . Together with CLKOUT#_DIVIDE and DIVCLK_DIVIDE parameter CLKFBOUT_PHASE = 0.000, // CLOCK FEEDBACK phase in degrees (3 significant digits, -360.000...+360.000) parameter CLKOUT0_PHASE = 0.000, // CLOCK0 phase in degrees (3 significant digits, -360.000...+360.000) parameter CLKOUT1_PHASE = 0.000, // Initial/static fine phase shift, 1/(56*Fvco) actual step parameter CLKOUT2_PHASE = 0.000, parameter CLKOUT3_PHASE = 0.000, parameter CLKOUT4_PHASE = 0.000, parameter CLKOUT5_PHASE = 0.000, parameter CLKOUT6_PHASE = 0.000, parameter CLKOUT0_DUTY_CYCLE= 0.5, // CLOCK 0 output duty factor, 3 significant digits parameter CLKOUT1_DUTY_CYCLE= 0.5, parameter CLKOUT2_DUTY_CYCLE= 0.5, parameter CLKOUT3_DUTY_CYCLE= 0.5, parameter CLKOUT4_DUTY_CYCLE= 0.5, parameter CLKOUT5_DUTY_CYCLE= 0.5, parameter CLKOUT6_DUTY_CYCLE= 0.5, parameter CLKOUT4_CASCADE= "FALSE", // cascades the output6 divider to the input for output 4 parameter CLKFBOUT_USE_FINE_PS = "FALSE", // Enable variable fine pase shift. Enable 1/(56*Fvco) phase inceremnts, round-robin parameter CLKOUT0_USE_FINE_PS = "FALSE", // Same fine phase shift for all outputs where this attribute is "TRUE" parameter CLKOUT1_USE_FINE_PS = "FALSE", // Not compatible with fractional divide parameter CLKOUT2_USE_FINE_PS = "FALSE", parameter CLKOUT3_USE_FINE_PS = "FALSE", parameter CLKOUT4_USE_FINE_PS = "FALSE", parameter CLKOUT5_USE_FINE_PS = "FALSE", parameter CLKOUT6_USE_FINE_PS = "FALSE", parameter CLKOUT0_DIVIDE_F = 1.000, // CLK0 outout divide, floating 1.000..128.000 parameter CLKOUT1_DIVIDE = 1, // CLK1 outout divide, integer 1..128 (determins a phase step as a fraction of pi/4) parameter CLKOUT2_DIVIDE = 1, parameter CLKOUT3_DIVIDE = 1, parameter CLKOUT4_DIVIDE = 1, parameter CLKOUT5_DIVIDE = 1, parameter CLKOUT6_DIVIDE = 1, parameter COMPENSATION= "ZHOLD", // "ZHOLD",BUF_IN","EXTERNAL","INTERNAL // ZHOLD - provide negative hold time on I/O registers // INTERNAL - using internal compensation no deley is compensated // EXTERNAL - external to the FPGA network is being compensated // BUF_IN - no compensation when clock input is driveen by BUFG/BUFH/BUFR or GT parameter DIVCLK_DIVIDE = 1, // Integer 1..106. Divides all outputs with respect to CLKIN parameter REF_JITTER1 = 0.010, // Expectet jitter on CLKIN1 (0.000..0.999) parameter REF_JITTER2 = 0.010, parameter SS_EN = "FALSE", // Enables Spread Spectrum mode parameter SS_MODE = "CENTER_HIGH",//"CENTER_HIGH","CENTER_LOW","DOWN_HIGH","DOWN_LOW" parameter SS_MOD_PERIOD = 10000, // integer 4000-40000 - SS modulation period in ns parameter STARTUP_WAIT = "FALSE" // Delays "DONE" signal until MMCM is locked ) ( input clkin, // General clock input input clkfbin, // Feedback clock input input rst, // asynchronous reset input input pwrdwn, // power down input input psclk, // phase shift clock input input ps_we, // phase shift write eneble input [PHASE_WIDTH-1:0] ps_din, // phase shift data input (2-s complement) output ps_ready, // phase shift change finished output reg [PHASE_WIDTH-1:0] ps_dout, // current phase shift value output clkout0, // output 0, HPC BUFR/BUFIO capable output clkout1, // output 1, HPC BUFR/BUFIO capable output clkout2, // output 2, HPC BUFR/BUFIO capable output clkout3, // output 3, HPC BUFR/BUFIO capable output clkout4, // output 4, HPC BUFR/BUFIO not capable output clkout5, // output 5, HPC BUFR/BUFIO not capable output clkout6, // output 6, HPC BUFR/BUFIO not capable output clkout0b, // output 0, inverted output clkout1b, // output 1, inverted output clkout2b, // output 2, inverted output clkout3b, // output 3, inverted output clkfbout, // dedicate feedback output output clkfboutb,// inverted feedback output output locked // PLL locked output ); wire psen; // phase shift enable input reg psincdec; // phase shift direction input (1 - increment, 0 - decrement) wire psdone; // phase shift done (12 clocks after psen reg [PHASE_WIDTH-1:0] ps_target; reg ps_busy=0; reg ps_start0, ps_start; assign ps_ready=!ps_busy && locked && ps_start0 && ps_start; assign psen=ps_start && (diff != 0); wire [PHASE_WIDTH:0] diff= ps_target-ps_dout; always @ (posedge psclk or posedge rst) begin if (rst) ps_start0 <= 0; else ps_start0 <= ps_we && ps_ready; if (rst) ps_dout <= 0; else if (psen && psincdec) ps_dout <= ps_dout +1; else if (psen && !psincdec) ps_dout <= ps_dout -1; if (rst) ps_target <= 0; else if (ps_we && ps_ready) ps_target <= ps_din; if (rst) ps_busy <= 1'b0; else if (ps_start) ps_busy <= (diff!=0); end always @ (posedge psclk) begin ps_start <= ps_start0 || psdone; psincdec <= !diff[PHASE_WIDTH]; end MMCME2_ADV #( .BANDWIDTH (BANDWIDTH), .CLKFBOUT_MULT_F (CLKFBOUT_MULT_F), .CLKFBOUT_PHASE (CLKFBOUT_PHASE), .CLKFBOUT_USE_FINE_PS(CLKFBOUT_USE_FINE_PS), .CLKIN1_PERIOD (CLKIN_PERIOD), .CLKIN2_PERIOD (0), .CLKOUT0_DIVIDE_F (CLKOUT0_DIVIDE_F), .CLKOUT0_DUTY_CYCLE (CLKOUT0_DUTY_CYCLE), .CLKOUT0_PHASE (CLKOUT0_PHASE), .CLKOUT0_USE_FINE_PS (CLKOUT0_USE_FINE_PS), .CLKOUT1_DIVIDE (CLKOUT1_DIVIDE), .CLKOUT1_DUTY_CYCLE (CLKOUT1_DUTY_CYCLE), .CLKOUT1_PHASE (CLKOUT1_PHASE), .CLKOUT1_USE_FINE_PS (CLKOUT1_USE_FINE_PS), .CLKOUT2_DIVIDE (CLKOUT2_DIVIDE), .CLKOUT2_DUTY_CYCLE (CLKOUT2_DUTY_CYCLE), .CLKOUT2_PHASE (CLKOUT2_PHASE), .CLKOUT2_USE_FINE_PS (CLKOUT2_USE_FINE_PS), .CLKOUT3_DIVIDE (CLKOUT3_DIVIDE), .CLKOUT3_DUTY_CYCLE (CLKOUT3_DUTY_CYCLE), .CLKOUT3_PHASE (CLKOUT3_PHASE), .CLKOUT3_USE_FINE_PS (CLKOUT3_USE_FINE_PS), .CLKOUT4_CASCADE (CLKOUT4_CASCADE), .CLKOUT4_DIVIDE (CLKOUT4_DIVIDE), .CLKOUT4_DUTY_CYCLE (CLKOUT4_DUTY_CYCLE), .CLKOUT4_PHASE (CLKOUT4_PHASE), .CLKOUT4_USE_FINE_PS (CLKOUT4_USE_FINE_PS), .CLKOUT5_DIVIDE (CLKOUT5_DIVIDE), .CLKOUT5_DUTY_CYCLE (CLKOUT5_DUTY_CYCLE), .CLKOUT5_PHASE (CLKOUT5_PHASE), .CLKOUT5_USE_FINE_PS (CLKOUT5_USE_FINE_PS), .CLKOUT6_DIVIDE (CLKOUT6_DIVIDE), .CLKOUT6_DUTY_CYCLE (CLKOUT6_DUTY_CYCLE), .CLKOUT6_PHASE (CLKOUT6_PHASE), .CLKOUT6_USE_FINE_PS (CLKOUT6_USE_FINE_PS), .COMPENSATION (COMPENSATION), .DIVCLK_DIVIDE (DIVCLK_DIVIDE), .IS_CLKINSEL_INVERTED (1'b0), .IS_PSEN_INVERTED (1'b0), .IS_PSINCDEC_INVERTED (1'b0), .IS_PWRDWN_INVERTED (1'b0), .IS_RST_INVERTED (1'b0), .REF_JITTER1 (REF_JITTER1), .REF_JITTER2 (REF_JITTER2), .SS_EN (SS_EN), .SS_MODE (SS_MODE), .SS_MOD_PERIOD (SS_MOD_PERIOD), .STARTUP_WAIT (STARTUP_WAIT) ) MMCME2_ADV_i ( .CLKFBOUT (clkfbout), // output .CLKFBOUTB (clkfboutb), // output .CLKFBSTOPPED (), // output .CLKINSTOPPED (), // output .CLKOUT0 (clkout0), // output .CLKOUT0B (clkout0b), // output .CLKOUT1 (clkout1), // output .CLKOUT1B (clkout1b), // output .CLKOUT2 (clkout2), // output .CLKOUT2B (clkout2b), // output .CLKOUT3 (clkout3), // output .CLKOUT3B (clkout3b), // output .CLKOUT4 (clkout4), // output .CLKOUT5 (clkout5), // output .CLKOUT6 (clkout6), // output .DO (), // Dynamic reconfiguration output[15:0] .DRDY (), // Dynamic reconfiguration output .LOCKED (locked), // output .PSDONE (psdone), // output .CLKFBIN (clkfbin), // input .CLKIN1 (clkin), // input .CLKIN2 (1'b0), // input .CLKINSEL (1'b1), // input Select CLKIN1 .DADDR (7'b0), // Dynamic reconfiguration address (input[6:0]) .DCLK (1'b0), // Dynamic reconfiguration clock input .DEN (1'b0), // Dynamic reconfiguration enable input .DI (16'b0), // Dynamic reconfiguration data (input[15:0]) .DWE (1'b0), // Dynamic reconfiguration Write Enable input .PSCLK (psclk), // input .PSEN (psen), // input .PSINCDEC (psincdec), // input .PWRDWN (pwrdwn), // input .RST (rst) // input ); endmodule