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Commit 832bff4b authored by Andrey Filippov's avatar Andrey Filippov
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Wrappers for some Xilinx primitives

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phy/wrap/idelay_ctrl.v 0 → 100644
View file @ 832bff4b
/*******************************************************************************
* Module: idelay_ctrl
* Date:2014-04-25
* Author: Andrey Filippov
* Description: IDELAYCTRL wrapper
*
* Copyright (c) 2014 Elphel, Inc.
* idelay_ctrl.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.
*
* idelay_ctrl.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
module idelay_ctrl(
input refclk,
input rst,
output rdy
);
IDELAYCTRL idelay_ctrl_i(
.RDY(rdy),
.REFCLK(refclk),
.RST(rst));
endmodule
phy/wrap/idelay_fine_pipe.v 0 → 100644
View file @ 832bff4b
/*******************************************************************************
* Module: idelay_fine_pipe
* Date:2014-04-25
* Author: Andrey Filippov
* Description: IDELAYE2_FINEDELAY wrapper with fine control pipelined
*
* Copyright (c) 2014 Elphel, Inc.
* idelay_fine_pipe.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.
*
* idelay_fine_pipe.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
module idelay_fine_pipe(
input clk,
input rst,
input set,
input ld,
input [7:0] delay,
input data_in,
output data_out
);
parameter integer DELAY_VALUE = 0;
parameter real REFCLK_FREQUENCY = 200.0;
parameter HIGH_PERFORMANCE_MODE = "FALSE";
reg [2:0] fdly_pre=DELAY_VALUE[2:0], fdly=DELAY_VALUE[2:0];
always @ (posedge clk or posedge rst) begin
if (rst) fdly_pre <= DELAY_VALUE[2:0];
else if (ld) fdly_pre <= delay[2:0];
if (rst) fdly <= DELAY_VALUE[2:0];
else if (set) fdly <= fdly_pre;
end
IDELAYE2_FINEDELAY
#(
.CINVCTRL_SEL("FALSE"),
.DELAY_SRC("IDATAIN"),
.FINEDELAY("ADD_DLY"),
.HIGH_PERFORMANCE_MODE(HIGH_PERFORMANCE_MODE),
.IDELAY_TYPE("VAR_LOAD_PIPE"),
.IDELAY_VALUE(DELAY_VALUE>>3),
.IS_C_INVERTED(1'b0),
.IS_DATAIN_INVERTED(1'b0),
.IS_IDATAIN_INVERTED(1'b0),
.PIPE_SEL("TRUE"),
.REFCLK_FREQUENCY(REFCLK_FREQUENCY),
.SIGNAL_PATTERN("DATA")
)
idelay2_finedelay_i(
.CNTVALUEOUT(),
.DATAOUT(data_out),
.C(clk),
.CE(1'b0),
.CINVCTRL(1'b0),
.CNTVALUEIN(delay[7:3]),
.DATAIN(1'b0),
.IDATAIN(data_in),
.IFDLY(fdly),
.INC(1'b0),
.LD(set),
.LDPIPEEN(ld),
.REGRST(rst)
);
endmodule
phy/wrap/odelay_fine_pipe.v 0 → 100644
View file @ 832bff4b
/*******************************************************************************
* Module: odelay_fine_pipe
* Date:2014-04-25
* Author: Andrey Filippov
* Description: ODELAYE2_FINEDELAY wrapper with fine control pipelined
*
* Copyright (c) 2014 Elphel, Inc.
* idelay_fine_pipe.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.
*
* idelay_fine_pipe.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
module odelay_fine_pipe(
input clk,
input rst,
input set,
input ld,
input [7:0] delay,
input data_in,
output data_out
);
parameter integer DELAY_VALUE = 0;
parameter real REFCLK_FREQUENCY = 200.0;
parameter HIGH_PERFORMANCE_MODE = "FALSE";
reg [2:0] fdly_pre=DELAY_VALUE[2:0], fdly=DELAY_VALUE[2:0];
always @ (posedge clk or posedge rst) begin
if (rst) fdly_pre <= DELAY_VALUE[2:0];
else if (ld) fdly_pre <= delay[2:0];
if (rst) fdly <= DELAY_VALUE[2:0];
else if (set) fdly <= fdly_pre;
end
ODELAYE2_FINEDELAY
#(
.CINVCTRL_SEL("FALSE"),
.DELAY_SRC("ODATAIN"),
.FINEDELAY("ADD_DLY"),
.HIGH_PERFORMANCE_MODE(HIGH_PERFORMANCE_MODE),
.ODELAY_TYPE("VAR_LOAD_PIPE"),
.ODELAY_VALUE(DELAY_VALUE>>3),
.IS_C_INVERTED(1'b0),
.IS_ODATAIN_INVERTED(1'b0),
.PIPE_SEL("TRUE"),
.REFCLK_FREQUENCY(REFCLK_FREQUENCY),
.SIGNAL_PATTERN("DATA")
)
odelay2_finedelay_i(
.CNTVALUEOUT(),
.DATAOUT(data_out),
.C(clk),
.CE(1'b0),
.CINVCTRL(1'b0),
.CNTVALUEIN(delay[7:3]),
.CLKIN(1'b0),
.ODATAIN(data_in),
.OFDLY(fdly),
.INC(1'b0),
.LD(set),
.LDPIPEEN(ld),
.REGRST(rst)
);
endmodule
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