mirror of https://github.com/YosysHQ/yosys.git
4288 lines
101 KiB
Verilog
4288 lines
101 KiB
Verilog
// Copyright 2020-2022 F4PGA Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
module RAM_36K_BLK (
|
|
WEN_i,
|
|
REN_i,
|
|
WR_CLK_i,
|
|
RD_CLK_i,
|
|
WR_BE_i,
|
|
WR_ADDR_i,
|
|
RD_ADDR_i,
|
|
WDATA_i,
|
|
RDATA_o
|
|
);
|
|
|
|
parameter WR_ADDR_WIDTH = 10;
|
|
parameter RD_ADDR_WIDTH = 10;
|
|
parameter WR_DATA_WIDTH = 36;
|
|
parameter RD_DATA_WIDTH = 36;
|
|
parameter BE_WIDTH = 4;
|
|
|
|
parameter INIT = 0;
|
|
|
|
input wire WEN_i;
|
|
input wire REN_i;
|
|
input wire WR_CLK_i;
|
|
input wire RD_CLK_i;
|
|
input wire [BE_WIDTH-1:0] WR_BE_i;
|
|
input wire [WR_ADDR_WIDTH-1 :0] WR_ADDR_i;
|
|
input wire [RD_ADDR_WIDTH-1 :0] RD_ADDR_i;
|
|
input wire [WR_DATA_WIDTH-1 :0] WDATA_i;
|
|
output wire [RD_DATA_WIDTH-1 :0] RDATA_o;
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd0;
|
|
localparam [ 0:0] FMODE1_i = 1'd0;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = 12'd10;
|
|
localparam [11:0] UPAF1_i = 12'd10;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd0;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = 11'd10;
|
|
localparam [10:0] UPAF2_i = 11'd10;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
32, 36: rwmode = 36;
|
|
default: rwmode = 36;
|
|
endcase
|
|
endfunction
|
|
|
|
wire REN_A1_i;
|
|
wire REN_A2_i;
|
|
|
|
wire REN_B1_i;
|
|
wire REN_B2_i;
|
|
|
|
wire WEN_A1_i;
|
|
wire WEN_A2_i;
|
|
|
|
wire WEN_B1_i;
|
|
wire WEN_B2_i;
|
|
|
|
wire [1:0] BE_A1_i;
|
|
wire [1:0] BE_A2_i;
|
|
|
|
wire [1:0] BE_B1_i;
|
|
wire [1:0] BE_B2_i;
|
|
|
|
wire [14:0] ADDR_A1_i;
|
|
wire [13:0] ADDR_A2_i;
|
|
|
|
wire [14:0] ADDR_B1_i;
|
|
wire [13:0] ADDR_B2_i;
|
|
|
|
wire [17:0] WDATA_A1_i;
|
|
wire [17:0] WDATA_A2_i;
|
|
|
|
wire [17:0] WDATA_B1_i;
|
|
wire [17:0] WDATA_B2_i;
|
|
|
|
wire [17:0] RDATA_A1_o;
|
|
wire [17:0] RDATA_A2_o;
|
|
|
|
wire [17:0] RDATA_B1_o;
|
|
wire [17:0] RDATA_B2_o;
|
|
|
|
wire [3:0] WR_BE;
|
|
|
|
wire [35:0] PORT_B_RDATA;
|
|
wire [35:0] PORT_A_WDATA;
|
|
|
|
wire [14:0] WR_ADDR_INT;
|
|
wire [14:0] RD_ADDR_INT;
|
|
|
|
wire [14:0] PORT_A_ADDR;
|
|
wire [14:0] PORT_B_ADDR;
|
|
|
|
wire PORT_A_CLK;
|
|
wire PORT_B_CLK;
|
|
|
|
// Set port width mode (In non-split mode A2/B2 is not active. Set same values anyway to match previous behavior.)
|
|
localparam [ 2:0] RMODE_A1_i = mode(WR_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(WR_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(WR_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(WR_DATA_WIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(RD_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(RD_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(RD_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(RD_DATA_WIDTH);
|
|
|
|
localparam PORT_A_WRWIDTH = rwmode(WR_DATA_WIDTH);
|
|
localparam PORT_B_WRWIDTH = rwmode(RD_DATA_WIDTH);
|
|
|
|
assign PORT_A_CLK = WR_CLK_i;
|
|
assign PORT_B_CLK = RD_CLK_i;
|
|
|
|
generate
|
|
if (WR_ADDR_WIDTH == 15) begin
|
|
assign WR_ADDR_INT = WR_ADDR_i;
|
|
end else begin
|
|
assign WR_ADDR_INT[14:WR_ADDR_WIDTH] = 0;
|
|
assign WR_ADDR_INT[WR_ADDR_WIDTH-1:0] = WR_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (WR_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_A_ADDR = WR_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A_ADDR = WR_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A_ADDR = WR_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A_ADDR = WR_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A_ADDR = WR_ADDR_INT << 4;
|
|
end
|
|
32, 36: begin
|
|
assign PORT_A_ADDR = WR_ADDR_INT << 5;
|
|
end
|
|
default: begin
|
|
assign PORT_A_ADDR = WR_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (RD_ADDR_WIDTH == 15) begin
|
|
assign RD_ADDR_INT = RD_ADDR_i;
|
|
end else begin
|
|
assign RD_ADDR_INT[14:RD_ADDR_WIDTH] = 0;
|
|
assign RD_ADDR_INT[RD_ADDR_WIDTH-1:0] = RD_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (RD_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_B_ADDR = RD_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B_ADDR = RD_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B_ADDR = RD_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B_ADDR = RD_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B_ADDR = RD_ADDR_INT << 4;
|
|
end
|
|
32, 36: begin
|
|
assign PORT_B_ADDR = RD_ADDR_INT << 5;
|
|
end
|
|
default: begin
|
|
assign PORT_B_ADDR = RD_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
case (BE_WIDTH)
|
|
4: begin
|
|
assign WR_BE = WR_BE_i[BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign WR_BE[3:BE_WIDTH] = 0;
|
|
assign WR_BE[BE_WIDTH-1 :0] = WR_BE_i[BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
assign REN_A1_i = 1'b0;
|
|
assign WEN_A1_i = WEN_i;
|
|
assign {BE_A2_i, BE_A1_i} = WR_BE;
|
|
|
|
assign REN_B1_i = REN_i;
|
|
assign WEN_B1_i = 1'b0;
|
|
assign {BE_B2_i, BE_B1_i} = 4'h0;
|
|
|
|
generate
|
|
if (WR_DATA_WIDTH == 36) begin
|
|
assign PORT_A_WDATA[WR_DATA_WIDTH-1:0] = WDATA_i[WR_DATA_WIDTH-1:0];
|
|
end else if (WR_DATA_WIDTH > 18 && WR_DATA_WIDTH < 36) begin
|
|
assign PORT_A_WDATA[WR_DATA_WIDTH+1:18] = WDATA_i[WR_DATA_WIDTH-1:16];
|
|
assign PORT_A_WDATA[17:0] = {2'b00,WDATA_i[15:0]};
|
|
end else if (WR_DATA_WIDTH == 9) begin
|
|
assign PORT_A_WDATA = {19'h0, WDATA_i[8], 8'h0, WDATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_A_WDATA[35:WR_DATA_WIDTH] = 0;
|
|
assign PORT_A_WDATA[WR_DATA_WIDTH-1:0] = WDATA_i[WR_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A1_i = PORT_A_WDATA[17:0];
|
|
assign WDATA_A2_i = PORT_A_WDATA[35:18];
|
|
|
|
assign WDATA_B1_i = 18'h0;
|
|
assign WDATA_B2_i = 18'h0;
|
|
|
|
generate
|
|
if (RD_DATA_WIDTH == 36) begin
|
|
assign PORT_B_RDATA = {RDATA_B2_o, RDATA_B1_o};
|
|
end else if (RD_DATA_WIDTH > 18 && RD_DATA_WIDTH < 36) begin
|
|
assign PORT_B_RDATA = {2'b00,RDATA_B2_o[17:0],RDATA_B1_o[15:0]};
|
|
end else if (RD_DATA_WIDTH == 9) begin
|
|
assign PORT_B_RDATA = { 27'h0, RDATA_B1_o[16], RDATA_B1_o[7:0]};
|
|
end else begin
|
|
assign PORT_B_RDATA = {18'h0, RDATA_B1_o};
|
|
end
|
|
endgenerate
|
|
|
|
assign RDATA_o = PORT_B_RDATA[RD_DATA_WIDTH-1:0];
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b0,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 0 *)
|
|
(* is_fifo = 0 *)
|
|
(* port_a_dwidth = PORT_A_WRWIDTH *)
|
|
(* port_b_dwidth = PORT_B_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
|
|
.CLK_A1_i(PORT_A_CLK),
|
|
.ADDR_A1_i(PORT_A_ADDR),
|
|
.WEN_A1_i(WEN_A1_i),
|
|
.BE_A1_i(BE_A1_i),
|
|
.WDATA_A1_i(WDATA_A1_i),
|
|
.REN_A1_i(REN_A1_i),
|
|
.RDATA_A1_o(RDATA_A1_o),
|
|
|
|
.CLK_A2_i(PORT_A_CLK),
|
|
.ADDR_A2_i(PORT_A_ADDR[13:0]),
|
|
.WEN_A2_i(WEN_A1_i),
|
|
.BE_A2_i(BE_A2_i),
|
|
.WDATA_A2_i(WDATA_A2_i),
|
|
.REN_A2_i(REN_A1_i),
|
|
.RDATA_A2_o(RDATA_A2_o),
|
|
|
|
.CLK_B1_i(PORT_B_CLK),
|
|
.ADDR_B1_i(PORT_B_ADDR),
|
|
.WEN_B1_i(WEN_B1_i),
|
|
.BE_B1_i(BE_B1_i),
|
|
.WDATA_B1_i(WDATA_B1_i),
|
|
.REN_B1_i(REN_B1_i),
|
|
.RDATA_B1_o(RDATA_B1_o),
|
|
|
|
.CLK_B2_i(PORT_B_CLK),
|
|
.ADDR_B2_i(PORT_B_ADDR[13:0]),
|
|
.WEN_B2_i(WEN_B1_i),
|
|
.BE_B2_i(BE_B2_i),
|
|
.WDATA_B2_i(WDATA_B2_i),
|
|
.REN_B2_i(REN_B1_i),
|
|
.RDATA_B2_o(RDATA_B2_o),
|
|
|
|
.FLUSH1_i(1'b0),
|
|
.FLUSH2_i(1'b0)
|
|
);
|
|
|
|
endmodule
|
|
|
|
module RAM_18K_BLK (
|
|
WEN_i,
|
|
REN_i,
|
|
WR_CLK_i,
|
|
RD_CLK_i,
|
|
WR_BE_i,
|
|
WR_ADDR_i,
|
|
RD_ADDR_i,
|
|
WDATA_i,
|
|
RDATA_o
|
|
);
|
|
|
|
parameter WR_ADDR_WIDTH = 10;
|
|
parameter RD_ADDR_WIDTH = 10;
|
|
parameter WR_DATA_WIDTH = 18;
|
|
parameter RD_DATA_WIDTH = 18;
|
|
parameter BE_WIDTH = 2;
|
|
|
|
input wire WEN_i;
|
|
input wire REN_i;
|
|
input wire WR_CLK_i;
|
|
input wire RD_CLK_i;
|
|
input wire [BE_WIDTH-1:0] WR_BE_i;
|
|
input wire [WR_ADDR_WIDTH-1 :0] WR_ADDR_i;
|
|
input wire [RD_ADDR_WIDTH-1 :0] RD_ADDR_i;
|
|
input wire [WR_DATA_WIDTH-1 :0] WDATA_i;
|
|
output wire [RD_DATA_WIDTH-1 :0] RDATA_o;
|
|
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 0 *)
|
|
(* is_fifo = 0 *)
|
|
BRAM2x18_SP #(
|
|
.WR1_ADDR_WIDTH(WR_ADDR_WIDTH),
|
|
.RD1_ADDR_WIDTH(RD_ADDR_WIDTH),
|
|
.WR1_DATA_WIDTH(WR_DATA_WIDTH),
|
|
.RD1_DATA_WIDTH(RD_DATA_WIDTH),
|
|
.BE1_WIDTH(BE_WIDTH),
|
|
.WR2_ADDR_WIDTH(),
|
|
.RD2_ADDR_WIDTH(),
|
|
.WR2_DATA_WIDTH(),
|
|
.RD2_DATA_WIDTH(),
|
|
.BE2_WIDTH()
|
|
) U1
|
|
(
|
|
.RESET_ni(1'b1),
|
|
|
|
.WEN1_i(WEN_i),
|
|
.REN1_i(REN_i),
|
|
.WR1_CLK_i(WR_CLK_i),
|
|
.RD1_CLK_i(RD_CLK_i),
|
|
.WR1_BE_i(WR_BE_i),
|
|
.WR1_ADDR_i(WR_ADDR_i),
|
|
.RD1_ADDR_i(RD_ADDR_i),
|
|
.WDATA1_i(WDATA_i),
|
|
.RDATA1_o(RDATA_o),
|
|
|
|
.WEN2_i(1'b0),
|
|
.REN2_i(1'b0),
|
|
.WR2_CLK_i(1'b0),
|
|
.RD2_CLK_i(1'b0),
|
|
.WR2_BE_i(2'b00),
|
|
.WR2_ADDR_i(14'h0),
|
|
.RD2_ADDR_i(14'h0),
|
|
.WDATA2_i(18'h0),
|
|
.RDATA2_o()
|
|
);
|
|
|
|
endmodule
|
|
|
|
module RAM_18K_X2_BLK (
|
|
RESET_ni,
|
|
|
|
WEN1_i,
|
|
REN1_i,
|
|
WR1_CLK_i,
|
|
RD1_CLK_i,
|
|
WR1_BE_i,
|
|
WR1_ADDR_i,
|
|
RD1_ADDR_i,
|
|
WDATA1_i,
|
|
RDATA1_o,
|
|
|
|
WEN2_i,
|
|
REN2_i,
|
|
WR2_CLK_i,
|
|
RD2_CLK_i,
|
|
WR2_BE_i,
|
|
WR2_ADDR_i,
|
|
RD2_ADDR_i,
|
|
WDATA2_i,
|
|
RDATA2_o
|
|
);
|
|
|
|
parameter WR1_ADDR_WIDTH = 10;
|
|
parameter RD1_ADDR_WIDTH = 10;
|
|
parameter WR1_DATA_WIDTH = 18;
|
|
parameter RD1_DATA_WIDTH = 18;
|
|
parameter BE1_WIDTH = 2;
|
|
|
|
parameter WR2_ADDR_WIDTH = 10;
|
|
parameter RD2_ADDR_WIDTH = 10;
|
|
parameter WR2_DATA_WIDTH = 18;
|
|
parameter RD2_DATA_WIDTH = 18;
|
|
parameter BE2_WIDTH = 2;
|
|
|
|
input wire RESET_ni;
|
|
|
|
input wire WEN1_i;
|
|
input wire REN1_i;
|
|
input wire WR1_CLK_i;
|
|
input wire RD1_CLK_i;
|
|
input wire [BE1_WIDTH-1:0] WR1_BE_i;
|
|
input wire [WR1_ADDR_WIDTH-1 :0] WR1_ADDR_i;
|
|
input wire [RD1_ADDR_WIDTH-1 :0] RD1_ADDR_i;
|
|
input wire [WR1_DATA_WIDTH-1 :0] WDATA1_i;
|
|
output wire [RD1_DATA_WIDTH-1 :0] RDATA1_o;
|
|
|
|
input wire WEN2_i;
|
|
input wire REN2_i;
|
|
input wire WR2_CLK_i;
|
|
input wire RD2_CLK_i;
|
|
input wire [BE2_WIDTH-1:0] WR2_BE_i;
|
|
input wire [WR2_ADDR_WIDTH-1 :0] WR2_ADDR_i;
|
|
input wire [RD2_ADDR_WIDTH-1 :0] RD2_ADDR_i;
|
|
input wire [WR2_DATA_WIDTH-1 :0] WDATA2_i;
|
|
output wire [RD2_DATA_WIDTH-1 :0] RDATA2_o;
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd0;
|
|
localparam [ 0:0] FMODE1_i = 1'd0;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = 12'd10;
|
|
localparam [11:0] UPAF1_i = 12'd10;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd0;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = 11'd10;
|
|
localparam [10:0] UPAF2_i = 11'd10;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
default: rwmode = 18;
|
|
endcase
|
|
endfunction
|
|
|
|
wire REN_A1_i;
|
|
wire REN_A2_i;
|
|
|
|
wire REN_B1_i;
|
|
wire REN_B2_i;
|
|
|
|
wire WEN_A1_i;
|
|
wire WEN_A2_i;
|
|
|
|
wire WEN_B1_i;
|
|
wire WEN_B2_i;
|
|
|
|
wire [1:0] BE_A1_i;
|
|
wire [1:0] BE_A2_i;
|
|
|
|
wire [1:0] BE_B1_i;
|
|
wire [1:0] BE_B2_i;
|
|
|
|
wire [14:0] ADDR_A1_i;
|
|
wire [13:0] ADDR_A2_i;
|
|
|
|
wire [14:0] ADDR_B1_i;
|
|
wire [13:0] ADDR_B2_i;
|
|
|
|
wire [17:0] WDATA_A1_i;
|
|
wire [17:0] WDATA_A2_i;
|
|
|
|
wire [17:0] WDATA_B1_i;
|
|
wire [17:0] WDATA_B2_i;
|
|
|
|
wire [17:0] RDATA_A1_o;
|
|
wire [17:0] RDATA_A2_o;
|
|
|
|
wire [17:0] RDATA_B1_o;
|
|
wire [17:0] RDATA_B2_o;
|
|
|
|
wire [1:0] WR1_BE;
|
|
wire [1:0] WR2_BE;
|
|
|
|
wire [17:0] PORT_B1_RDATA;
|
|
wire [17:0] PORT_A1_WDATA;
|
|
|
|
wire [17:0] PORT_B2_RDATA;
|
|
wire [17:0] PORT_A2_WDATA;
|
|
|
|
wire [13:0] WR1_ADDR_INT;
|
|
wire [13:0] RD1_ADDR_INT;
|
|
|
|
wire [13:0] WR2_ADDR_INT;
|
|
wire [13:0] RD2_ADDR_INT;
|
|
|
|
wire [13:0] PORT_A1_ADDR;
|
|
wire [13:0] PORT_B1_ADDR;
|
|
|
|
wire [13:0] PORT_A2_ADDR;
|
|
wire [13:0] PORT_B2_ADDR;
|
|
|
|
|
|
// Set port width mode (In non-split mode A2/B2 is not active. Set same values anyway to match previous behavior.)
|
|
localparam [ 2:0] RMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
|
|
localparam PORT_A1_WRWIDTH = rwmode(WR1_DATA_WIDTH);
|
|
localparam PORT_B1_WRWIDTH = rwmode(RD1_DATA_WIDTH);
|
|
localparam PORT_A2_WRWIDTH = rwmode(WR2_DATA_WIDTH);
|
|
localparam PORT_B2_WRWIDTH = rwmode(RD2_DATA_WIDTH);
|
|
|
|
generate
|
|
if (WR1_ADDR_WIDTH == 14) begin
|
|
assign WR1_ADDR_INT = WR1_ADDR_i;
|
|
end else begin
|
|
assign WR1_ADDR_INT[13:WR1_ADDR_WIDTH] = 0;
|
|
assign WR1_ADDR_INT[WR1_ADDR_WIDTH-1:0] = WR1_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (WR1_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (RD1_ADDR_WIDTH == 14) begin
|
|
assign RD1_ADDR_INT = RD1_ADDR_i;
|
|
end else begin
|
|
assign RD1_ADDR_INT[13:RD1_ADDR_WIDTH] = 0;
|
|
assign RD1_ADDR_INT[RD1_ADDR_WIDTH-1:0] = RD1_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (RD1_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (WR2_ADDR_WIDTH == 14) begin
|
|
assign WR2_ADDR_INT = WR2_ADDR_i;
|
|
end else begin
|
|
assign WR2_ADDR_INT[13:WR2_ADDR_WIDTH] = 0;
|
|
assign WR2_ADDR_INT[WR2_ADDR_WIDTH-1:0] = WR2_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (WR2_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (RD2_ADDR_WIDTH == 14) begin
|
|
assign RD2_ADDR_INT = RD2_ADDR_i;
|
|
end else begin
|
|
assign RD2_ADDR_INT[13:RD2_ADDR_WIDTH] = 0;
|
|
assign RD2_ADDR_INT[RD2_ADDR_WIDTH-1:0] = RD2_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (RD2_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
case (BE1_WIDTH)
|
|
2: begin
|
|
assign WR1_BE = WR1_BE_i[BE1_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign WR1_BE[1:BE1_WIDTH] = 0;
|
|
assign WR1_BE[BE1_WIDTH-1 :0] = WR1_BE_i[BE1_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
case (BE2_WIDTH)
|
|
2: begin
|
|
assign WR2_BE = WR2_BE_i[BE2_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign WR2_BE[1:BE2_WIDTH] = 0;
|
|
assign WR2_BE[BE2_WIDTH-1 :0] = WR2_BE_i[BE2_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
assign REN_A1_i = 1'b0;
|
|
assign WEN_A1_i = WEN1_i;
|
|
assign BE_A1_i = WR1_BE;
|
|
assign REN_A2_i = 1'b0;
|
|
assign WEN_A2_i = WEN2_i;
|
|
assign BE_A2_i = WR2_BE;
|
|
|
|
assign REN_B1_i = REN1_i;
|
|
assign WEN_B1_i = 1'b0;
|
|
assign BE_B1_i = 4'h0;
|
|
assign REN_B2_i = REN2_i;
|
|
assign WEN_B2_i = 1'b0;
|
|
assign BE_B2_i = 4'h0;
|
|
|
|
generate
|
|
if (WR1_DATA_WIDTH == 18) begin
|
|
assign PORT_A1_WDATA[WR1_DATA_WIDTH-1:0] = WDATA1_i[WR1_DATA_WIDTH-1:0];
|
|
end else if (WR1_DATA_WIDTH == 9) begin
|
|
assign PORT_A1_WDATA = {1'b0, WDATA1_i[8], 8'h0, WDATA1_i[7:0]};
|
|
end else begin
|
|
assign PORT_A1_WDATA[17:WR1_DATA_WIDTH] = 0;
|
|
assign PORT_A1_WDATA[WR1_DATA_WIDTH-1:0] = WDATA1_i[WR1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A1_i = PORT_A1_WDATA[17:0];
|
|
assign WDATA_B1_i = 18'h0;
|
|
|
|
generate
|
|
if (RD1_DATA_WIDTH == 9) begin
|
|
assign PORT_B1_RDATA = { 9'h0, RDATA_B1_o[16], RDATA_B1_o[7:0]};
|
|
end else begin
|
|
assign PORT_B1_RDATA = RDATA_B1_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign RDATA1_o = PORT_B1_RDATA[RD1_DATA_WIDTH-1:0];
|
|
|
|
generate
|
|
if (WR2_DATA_WIDTH == 18) begin
|
|
assign PORT_A2_WDATA[WR2_DATA_WIDTH-1:0] = WDATA2_i[WR2_DATA_WIDTH-1:0];
|
|
end else if (WR2_DATA_WIDTH == 9) begin
|
|
assign PORT_A2_WDATA = {1'b0, WDATA2_i[8], 8'h0, WDATA2_i[7:0]};
|
|
end else begin
|
|
assign PORT_A2_WDATA[17:WR2_DATA_WIDTH] = 0;
|
|
assign PORT_A2_WDATA[WR2_DATA_WIDTH-1:0] = WDATA2_i[WR2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A2_i = PORT_A2_WDATA[17:0];
|
|
assign WDATA_B2_i = 18'h0;
|
|
|
|
generate
|
|
if (RD2_DATA_WIDTH == 9) begin
|
|
assign PORT_B2_RDATA = { 9'h0, RDATA_B2_o[16], RDATA_B2_o[7:0]};
|
|
end else begin
|
|
assign PORT_B2_RDATA = RDATA_B2_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign RDATA2_o = PORT_B2_RDATA[RD2_DATA_WIDTH-1:0];
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b1,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 1 *)
|
|
(* is_fifo = 0 *)
|
|
(* port_a1_dwidth = PORT_A1_WRWIDTH *)
|
|
(* port_a2_dwidth = PORT_A2_WRWIDTH *)
|
|
(* port_b1_dwidth = PORT_B1_WRWIDTH *)
|
|
(* port_b2_dwidth = PORT_B2_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
|
|
.CLK_A1_i(WR1_CLK_i),
|
|
.ADDR_A1_i({1'b0,PORT_A1_ADDR}),
|
|
.WEN_A1_i(WEN_A1_i),
|
|
.BE_A1_i(BE_A1_i),
|
|
.WDATA_A1_i(WDATA_A1_i),
|
|
.REN_A1_i(REN_A1_i),
|
|
.RDATA_A1_o(RDATA_A1_o),
|
|
|
|
.CLK_A2_i(WR2_CLK_i),
|
|
.ADDR_A2_i(PORT_A2_ADDR),
|
|
.WEN_A2_i(WEN_A2_i),
|
|
.BE_A2_i(BE_A2_i),
|
|
.WDATA_A2_i(WDATA_A2_i),
|
|
.REN_A2_i(REN_A2_i),
|
|
.RDATA_A2_o(RDATA_A2_o),
|
|
|
|
.CLK_B1_i(RD1_CLK_i),
|
|
.ADDR_B1_i({1'b0,PORT_B1_ADDR}),
|
|
.WEN_B1_i(WEN_B1_i),
|
|
.BE_B1_i(BE_B1_i),
|
|
.WDATA_B1_i(WDATA_B1_i),
|
|
.REN_B1_i(REN_B1_i),
|
|
.RDATA_B1_o(RDATA_B1_o),
|
|
|
|
.CLK_B2_i(RD2_CLK_i),
|
|
.ADDR_B2_i(PORT_B2_ADDR),
|
|
.WEN_B2_i(WEN_B2_i),
|
|
.BE_B2_i(BE_B2_i),
|
|
.WDATA_B2_i(WDATA_B2_i),
|
|
.REN_B2_i(REN_B2_i),
|
|
.RDATA_B2_o(RDATA_B2_o),
|
|
|
|
.FLUSH1_i(1'b0),
|
|
.FLUSH2_i(1'b0)
|
|
);
|
|
|
|
endmodule
|
|
|
|
module DPRAM_36K_BLK (
|
|
PORT_A_CLK_i,
|
|
PORT_A_WEN_i,
|
|
PORT_A_WR_BE_i,
|
|
PORT_A_REN_i,
|
|
PORT_A_ADDR_i,
|
|
PORT_A_WR_DATA_i,
|
|
PORT_A_RD_DATA_o,
|
|
|
|
PORT_B_CLK_i,
|
|
PORT_B_WEN_i,
|
|
PORT_B_WR_BE_i,
|
|
PORT_B_REN_i,
|
|
PORT_B_ADDR_i,
|
|
PORT_B_WR_DATA_i,
|
|
PORT_B_RD_DATA_o
|
|
);
|
|
|
|
parameter PORT_A_AWIDTH = 10;
|
|
parameter PORT_A_DWIDTH = 36;
|
|
parameter PORT_A_WR_BE_WIDTH = 4;
|
|
|
|
parameter PORT_B_AWIDTH = 10;
|
|
parameter PORT_B_DWIDTH = 36;
|
|
parameter PORT_B_WR_BE_WIDTH = 4;
|
|
|
|
input PORT_A_CLK_i;
|
|
input [PORT_A_AWIDTH-1:0] PORT_A_ADDR_i;
|
|
input [PORT_A_DWIDTH-1:0] PORT_A_WR_DATA_i;
|
|
input PORT_A_WEN_i;
|
|
input [PORT_A_WR_BE_WIDTH-1:0] PORT_A_WR_BE_i;
|
|
input PORT_A_REN_i;
|
|
output [PORT_A_DWIDTH-1:0] PORT_A_RD_DATA_o;
|
|
|
|
input PORT_B_CLK_i;
|
|
input [PORT_B_AWIDTH-1:0] PORT_B_ADDR_i;
|
|
input [PORT_B_DWIDTH-1:0] PORT_B_WR_DATA_i;
|
|
input PORT_B_WEN_i;
|
|
input [PORT_B_WR_BE_WIDTH-1:0] PORT_B_WR_BE_i;
|
|
input PORT_B_REN_i;
|
|
output [PORT_B_DWIDTH-1:0] PORT_B_RD_DATA_o;
|
|
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd0;
|
|
localparam [ 0:0] FMODE1_i = 1'd0;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = 12'd10;
|
|
localparam [11:0] UPAF1_i = 12'd10;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd0;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = 11'd10;
|
|
localparam [10:0] UPAF2_i = 11'd10;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
32, 36: rwmode = 36;
|
|
default: rwmode = 36;
|
|
endcase
|
|
endfunction
|
|
|
|
wire REN_A1_i;
|
|
wire REN_A2_i;
|
|
|
|
wire REN_B1_i;
|
|
wire REN_B2_i;
|
|
|
|
wire WEN_A1_i;
|
|
wire WEN_A2_i;
|
|
|
|
wire WEN_B1_i;
|
|
wire WEN_B2_i;
|
|
|
|
wire [1:0] BE_A1_i;
|
|
wire [1:0] BE_A2_i;
|
|
|
|
wire [1:0] BE_B1_i;
|
|
wire [1:0] BE_B2_i;
|
|
|
|
wire [14:0] ADDR_A1_i;
|
|
wire [13:0] ADDR_A2_i;
|
|
|
|
wire [14:0] ADDR_B1_i;
|
|
wire [13:0] ADDR_B2_i;
|
|
|
|
wire [17:0] WDATA_A1_i;
|
|
wire [17:0] WDATA_A2_i;
|
|
|
|
wire [17:0] WDATA_B1_i;
|
|
wire [17:0] WDATA_B2_i;
|
|
|
|
wire [17:0] RDATA_A1_o;
|
|
wire [17:0] RDATA_A2_o;
|
|
|
|
wire [17:0] RDATA_B1_o;
|
|
wire [17:0] RDATA_B2_o;
|
|
|
|
wire [3:0] PORT_A_WR_BE;
|
|
wire [3:0] PORT_B_WR_BE;
|
|
|
|
wire [35:0] PORT_B_WDATA;
|
|
wire [35:0] PORT_B_RDATA;
|
|
wire [35:0] PORT_A_WDATA;
|
|
wire [35:0] PORT_A_RDATA;
|
|
|
|
wire [14:0] PORT_A_ADDR_INT;
|
|
wire [14:0] PORT_B_ADDR_INT;
|
|
|
|
wire [14:0] PORT_A_ADDR;
|
|
wire [14:0] PORT_B_ADDR;
|
|
|
|
wire PORT_A_CLK;
|
|
wire PORT_B_CLK;
|
|
|
|
// Set port width mode (In non-split mode A2/B2 is not active. Set same values anyway to match previous behavior.)
|
|
localparam [ 2:0] RMODE_A1_i = mode(PORT_A_DWIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(PORT_A_DWIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(PORT_A_DWIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(PORT_A_DWIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(PORT_B_DWIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(PORT_B_DWIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(PORT_B_DWIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(PORT_B_DWIDTH);
|
|
|
|
localparam PORT_A_WRWIDTH = rwmode(PORT_A_DWIDTH);
|
|
localparam PORT_B_WRWIDTH = rwmode(PORT_B_DWIDTH);
|
|
|
|
assign PORT_A_CLK = PORT_A_CLK_i;
|
|
assign PORT_B_CLK = PORT_B_CLK_i;
|
|
|
|
generate
|
|
if (PORT_A_AWIDTH == 15) begin
|
|
assign PORT_A_ADDR_INT = PORT_A_ADDR_i;
|
|
end else begin
|
|
assign PORT_A_ADDR_INT[14:PORT_A_AWIDTH] = 0;
|
|
assign PORT_A_ADDR_INT[PORT_A_AWIDTH-1:0] = PORT_A_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_A_DWIDTH)
|
|
1: begin
|
|
assign PORT_A_ADDR = PORT_A_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A_ADDR = PORT_A_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A_ADDR = PORT_A_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A_ADDR = PORT_A_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A_ADDR = PORT_A_ADDR_INT << 4;
|
|
end
|
|
32, 36: begin
|
|
assign PORT_A_ADDR = PORT_A_ADDR_INT << 5;
|
|
end
|
|
default: begin
|
|
assign PORT_A_ADDR = PORT_A_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (PORT_B_AWIDTH == 15) begin
|
|
assign PORT_B_ADDR_INT = PORT_B_ADDR_i;
|
|
end else begin
|
|
assign PORT_B_ADDR_INT[14:PORT_B_AWIDTH] = 0;
|
|
assign PORT_B_ADDR_INT[PORT_B_AWIDTH-1:0] = PORT_B_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_B_DWIDTH)
|
|
1: begin
|
|
assign PORT_B_ADDR = PORT_B_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B_ADDR = PORT_B_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B_ADDR = PORT_B_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B_ADDR = PORT_B_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B_ADDR = PORT_B_ADDR_INT << 4;
|
|
end
|
|
32, 36: begin
|
|
assign PORT_B_ADDR = PORT_B_ADDR_INT << 5;
|
|
end
|
|
default: begin
|
|
assign PORT_B_ADDR = PORT_B_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
case (PORT_A_WR_BE_WIDTH)
|
|
4: begin
|
|
assign PORT_A_WR_BE = PORT_A_WR_BE_i[PORT_A_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_A_WR_BE[3:PORT_A_WR_BE_WIDTH] = 0;
|
|
assign PORT_A_WR_BE[PORT_A_WR_BE_WIDTH-1 :0] = PORT_A_WR_BE_i[PORT_A_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
case (PORT_B_WR_BE_WIDTH)
|
|
4: begin
|
|
assign PORT_B_WR_BE = PORT_B_WR_BE_i[PORT_B_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_B_WR_BE[3:PORT_B_WR_BE_WIDTH] = 0;
|
|
assign PORT_B_WR_BE[PORT_B_WR_BE_WIDTH-1 :0] = PORT_B_WR_BE_i[PORT_B_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
assign REN_A1_i = PORT_A_REN_i;
|
|
assign WEN_A1_i = PORT_A_WEN_i;
|
|
assign {BE_A2_i, BE_A1_i} = PORT_A_WR_BE;
|
|
|
|
assign REN_B1_i = PORT_B_REN_i;
|
|
assign WEN_B1_i = PORT_B_WEN_i;
|
|
assign {BE_B2_i, BE_B1_i} = PORT_B_WR_BE;
|
|
|
|
generate
|
|
if (PORT_A_DWIDTH == 36) begin
|
|
assign PORT_A_WDATA[PORT_A_DWIDTH-1:0] = PORT_A_WR_DATA_i[PORT_A_DWIDTH-1:0];
|
|
end else if (PORT_A_DWIDTH > 18 && PORT_A_DWIDTH < 36) begin
|
|
assign PORT_A_WDATA[PORT_A_DWIDTH+1:18] = PORT_A_WR_DATA_i[PORT_A_DWIDTH-1:16];
|
|
assign PORT_A_WDATA[17:0] = {2'b00,PORT_A_WR_DATA_i[15:0]};
|
|
end else if (PORT_A_DWIDTH == 9) begin
|
|
assign PORT_A_WDATA = {19'h0, PORT_A_WR_DATA_i[8], 8'h0, PORT_A_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_A_WDATA[35:PORT_A_DWIDTH] = 0;
|
|
assign PORT_A_WDATA[PORT_A_DWIDTH-1:0] = PORT_A_WR_DATA_i[PORT_A_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A1_i = PORT_A_WDATA[17:0];
|
|
assign WDATA_A2_i = PORT_A_WDATA[35:18];
|
|
|
|
generate
|
|
if (PORT_A_DWIDTH == 36) begin
|
|
assign PORT_A_RDATA = {RDATA_A2_o, RDATA_A1_o};
|
|
end else if (PORT_A_DWIDTH > 18 && PORT_A_DWIDTH < 36) begin
|
|
assign PORT_A_RDATA = {2'b00,RDATA_A2_o[17:0],RDATA_A1_o[15:0]};
|
|
end else if (PORT_A_DWIDTH == 9) begin
|
|
assign PORT_A_RDATA = { 27'h0, RDATA_A1_o[16], RDATA_A1_o[7:0]};
|
|
end else begin
|
|
assign PORT_A_RDATA = {18'h0, RDATA_A1_o};
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_A_RD_DATA_o = PORT_A_RDATA[PORT_A_DWIDTH-1:0];
|
|
|
|
generate
|
|
if (PORT_B_DWIDTH == 36) begin
|
|
assign PORT_B_WDATA[PORT_B_DWIDTH-1:0] = PORT_B_WR_DATA_i[PORT_B_DWIDTH-1:0];
|
|
end else if (PORT_B_DWIDTH > 18 && PORT_B_DWIDTH < 36) begin
|
|
assign PORT_B_WDATA[PORT_B_DWIDTH+1:18] = PORT_B_WR_DATA_i[PORT_B_DWIDTH-1:16];
|
|
assign PORT_B_WDATA[17:0] = {2'b00,PORT_B_WR_DATA_i[15:0]};
|
|
end else if (PORT_B_DWIDTH == 9) begin
|
|
assign PORT_B_WDATA = {19'h0, PORT_B_WR_DATA_i[8], 8'h0, PORT_B_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_B_WDATA[35:PORT_B_DWIDTH] = 0;
|
|
assign PORT_B_WDATA[PORT_B_DWIDTH-1:0] = PORT_B_WR_DATA_i[PORT_B_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_B1_i = PORT_B_WDATA[17:0];
|
|
assign WDATA_B2_i = PORT_B_WDATA[35:18];
|
|
|
|
generate
|
|
if (PORT_B_DWIDTH == 36) begin
|
|
assign PORT_B_RDATA = {RDATA_B2_o, RDATA_B1_o};
|
|
end else if (PORT_B_DWIDTH > 18 && PORT_B_DWIDTH < 36) begin
|
|
assign PORT_B_RDATA = {2'b00,RDATA_B2_o[17:0],RDATA_B1_o[15:0]};
|
|
end else if (PORT_B_DWIDTH == 9) begin
|
|
assign PORT_B_RDATA = { 27'h0, RDATA_B1_o[16], RDATA_B1_o[7:0]};
|
|
end else begin
|
|
assign PORT_B_RDATA = {18'h0, RDATA_B1_o};
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_B_RD_DATA_o = PORT_B_RDATA[PORT_B_DWIDTH-1:0];
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b0,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 0 *)
|
|
(* is_fifo = 0 *)
|
|
(* port_a_dwidth = PORT_A_WRWIDTH *)
|
|
(* port_b_dwidth = PORT_B_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
|
|
.CLK_A1_i(PORT_A_CLK),
|
|
.ADDR_A1_i(PORT_A_ADDR),
|
|
.WEN_A1_i(WEN_A1_i),
|
|
.BE_A1_i(BE_A1_i),
|
|
.WDATA_A1_i(WDATA_A1_i),
|
|
.REN_A1_i(REN_A1_i),
|
|
.RDATA_A1_o(RDATA_A1_o),
|
|
|
|
.CLK_A2_i(PORT_A_CLK),
|
|
.ADDR_A2_i(PORT_A_ADDR[13:0]),
|
|
.WEN_A2_i(WEN_A1_i),
|
|
.BE_A2_i(BE_A2_i),
|
|
.WDATA_A2_i(WDATA_A2_i),
|
|
.REN_A2_i(REN_A1_i),
|
|
.RDATA_A2_o(RDATA_A2_o),
|
|
|
|
.CLK_B1_i(PORT_B_CLK),
|
|
.ADDR_B1_i(PORT_B_ADDR),
|
|
.WEN_B1_i(WEN_B1_i),
|
|
.BE_B1_i(BE_B1_i),
|
|
.WDATA_B1_i(WDATA_B1_i),
|
|
.REN_B1_i(REN_B1_i),
|
|
.RDATA_B1_o(RDATA_B1_o),
|
|
|
|
.CLK_B2_i(PORT_B_CLK),
|
|
.ADDR_B2_i(PORT_B_ADDR[13:0]),
|
|
.WEN_B2_i(WEN_B1_i),
|
|
.BE_B2_i(BE_B2_i),
|
|
.WDATA_B2_i(WDATA_B2_i),
|
|
.REN_B2_i(REN_B1_i),
|
|
.RDATA_B2_o(RDATA_B2_o),
|
|
|
|
.FLUSH1_i(1'b0),
|
|
.FLUSH2_i(1'b0)
|
|
);
|
|
|
|
endmodule
|
|
|
|
module DPRAM_18K_BLK (
|
|
PORT_A_CLK_i,
|
|
PORT_A_WEN_i,
|
|
PORT_A_WR_BE_i,
|
|
PORT_A_REN_i,
|
|
PORT_A_ADDR_i,
|
|
PORT_A_WR_DATA_i,
|
|
PORT_A_RD_DATA_o,
|
|
|
|
PORT_B_CLK_i,
|
|
PORT_B_WEN_i,
|
|
PORT_B_WR_BE_i,
|
|
PORT_B_REN_i,
|
|
PORT_B_ADDR_i,
|
|
PORT_B_WR_DATA_i,
|
|
PORT_B_RD_DATA_o
|
|
);
|
|
|
|
parameter PORT_A_AWIDTH = 10;
|
|
parameter PORT_A_DWIDTH = 36;
|
|
parameter PORT_A_WR_BE_WIDTH = 4;
|
|
|
|
parameter PORT_B_AWIDTH = 10;
|
|
parameter PORT_B_DWIDTH = 36;
|
|
parameter PORT_B_WR_BE_WIDTH = 4;
|
|
|
|
input PORT_A_CLK_i;
|
|
input [PORT_A_AWIDTH-1:0] PORT_A_ADDR_i;
|
|
input [PORT_A_DWIDTH-1:0] PORT_A_WR_DATA_i;
|
|
input PORT_A_WEN_i;
|
|
input [PORT_A_WR_BE_WIDTH-1:0] PORT_A_WR_BE_i;
|
|
input PORT_A_REN_i;
|
|
output [PORT_A_DWIDTH-1:0] PORT_A_RD_DATA_o;
|
|
|
|
input PORT_B_CLK_i;
|
|
input [PORT_B_AWIDTH-1:0] PORT_B_ADDR_i;
|
|
input [PORT_B_DWIDTH-1:0] PORT_B_WR_DATA_i;
|
|
input PORT_B_WEN_i;
|
|
input [PORT_B_WR_BE_WIDTH-1:0] PORT_B_WR_BE_i;
|
|
input PORT_B_REN_i;
|
|
output [PORT_B_DWIDTH-1:0] PORT_B_RD_DATA_o;
|
|
|
|
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 0 *)
|
|
(* is_fifo = 0 *)
|
|
BRAM2x18_dP #(
|
|
.PORT_A1_AWIDTH(PORT_A_AWIDTH),
|
|
.PORT_A1_DWIDTH(PORT_A_DWIDTH),
|
|
.PORT_A1_WR_BE_WIDTH(PORT_A_WR_BE_WIDTH),
|
|
.PORT_B1_AWIDTH(PORT_B_AWIDTH),
|
|
.PORT_B1_DWIDTH(PORT_B_DWIDTH),
|
|
.PORT_B1_WR_BE_WIDTH(PORT_B_WR_BE_WIDTH),
|
|
.PORT_A2_AWIDTH(),
|
|
.PORT_A2_DWIDTH(),
|
|
.PORT_A2_WR_BE_WIDTH(),
|
|
.PORT_B2_AWIDTH(),
|
|
.PORT_B2_DWIDTH(),
|
|
.PORT_B2_WR_BE_WIDTH()
|
|
) U1 (
|
|
.PORT_A1_CLK_i(PORT_A_CLK_i),
|
|
.PORT_A1_WEN_i(PORT_A_WEN_i),
|
|
.PORT_A1_WR_BE_i(PORT_A_WR_BE_i),
|
|
.PORT_A1_REN_i(PORT_A_REN_i),
|
|
.PORT_A1_ADDR_i(PORT_A_ADDR_i),
|
|
.PORT_A1_WR_DATA_i(PORT_A_WR_DATA_i),
|
|
.PORT_A1_RD_DATA_o(PORT_A_RD_DATA_o),
|
|
|
|
.PORT_B1_CLK_i(PORT_B_CLK_i),
|
|
.PORT_B1_WEN_i(PORT_B_WEN_i),
|
|
.PORT_B1_WR_BE_i(PORT_B_WR_BE_i),
|
|
.PORT_B1_REN_i(PORT_B_REN_i),
|
|
.PORT_B1_ADDR_i(PORT_B_ADDR_i),
|
|
.PORT_B1_WR_DATA_i(PORT_B_WR_DATA_i),
|
|
.PORT_B1_RD_DATA_o(PORT_B_RD_DATA_o),
|
|
|
|
.PORT_A2_CLK_i(1'b0),
|
|
.PORT_A2_WEN_i(1'b0),
|
|
.PORT_A2_WR_BE_i(2'b00),
|
|
.PORT_A2_REN_i(1'b0),
|
|
.PORT_A2_ADDR_i(14'h0),
|
|
.PORT_A2_WR_DATA_i(18'h0),
|
|
.PORT_A2_RD_DATA_o(),
|
|
|
|
.PORT_B2_CLK_i(1'b0),
|
|
.PORT_B2_WEN_i(1'b0),
|
|
.PORT_B2_WR_BE_i(2'b00),
|
|
.PORT_B2_REN_i(1'b0),
|
|
.PORT_B2_ADDR_i(14'h0),
|
|
.PORT_B2_WR_DATA_i(18'h0),
|
|
.PORT_B2_RD_DATA_o()
|
|
);
|
|
|
|
endmodule
|
|
|
|
|
|
module DPRAM_18K_X2_BLK (
|
|
PORT_A1_CLK_i,
|
|
PORT_A1_WEN_i,
|
|
PORT_A1_WR_BE_i,
|
|
PORT_A1_REN_i,
|
|
PORT_A1_ADDR_i,
|
|
PORT_A1_WR_DATA_i,
|
|
PORT_A1_RD_DATA_o,
|
|
|
|
PORT_B1_CLK_i,
|
|
PORT_B1_WEN_i,
|
|
PORT_B1_WR_BE_i,
|
|
PORT_B1_REN_i,
|
|
PORT_B1_ADDR_i,
|
|
PORT_B1_WR_DATA_i,
|
|
PORT_B1_RD_DATA_o,
|
|
|
|
PORT_A2_CLK_i,
|
|
PORT_A2_WEN_i,
|
|
PORT_A2_WR_BE_i,
|
|
PORT_A2_REN_i,
|
|
PORT_A2_ADDR_i,
|
|
PORT_A2_WR_DATA_i,
|
|
PORT_A2_RD_DATA_o,
|
|
|
|
PORT_B2_CLK_i,
|
|
PORT_B2_WEN_i,
|
|
PORT_B2_WR_BE_i,
|
|
PORT_B2_REN_i,
|
|
PORT_B2_ADDR_i,
|
|
PORT_B2_WR_DATA_i,
|
|
PORT_B2_RD_DATA_o
|
|
);
|
|
|
|
parameter PORT_A1_AWIDTH = 10;
|
|
parameter PORT_A1_DWIDTH = 18;
|
|
parameter PORT_A1_WR_BE_WIDTH = 2;
|
|
|
|
parameter PORT_B1_AWIDTH = 10;
|
|
parameter PORT_B1_DWIDTH = 18;
|
|
parameter PORT_B1_WR_BE_WIDTH = 2;
|
|
|
|
parameter PORT_A2_AWIDTH = 10;
|
|
parameter PORT_A2_DWIDTH = 18;
|
|
parameter PORT_A2_WR_BE_WIDTH = 2;
|
|
|
|
parameter PORT_B2_AWIDTH = 10;
|
|
parameter PORT_B2_DWIDTH = 18;
|
|
parameter PORT_B2_WR_BE_WIDTH = 2;
|
|
|
|
|
|
input PORT_A1_CLK_i;
|
|
input [PORT_A1_AWIDTH-1:0] PORT_A1_ADDR_i;
|
|
input [PORT_A1_DWIDTH-1:0] PORT_A1_WR_DATA_i;
|
|
input PORT_A1_WEN_i;
|
|
input [PORT_A1_WR_BE_WIDTH-1:0] PORT_A1_WR_BE_i;
|
|
input PORT_A1_REN_i;
|
|
output [PORT_A1_DWIDTH-1:0] PORT_A1_RD_DATA_o;
|
|
|
|
input PORT_B1_CLK_i;
|
|
input [PORT_B1_AWIDTH-1:0] PORT_B1_ADDR_i;
|
|
input [PORT_B1_DWIDTH-1:0] PORT_B1_WR_DATA_i;
|
|
input PORT_B1_WEN_i;
|
|
input [PORT_B1_WR_BE_WIDTH-1:0] PORT_B1_WR_BE_i;
|
|
input PORT_B1_REN_i;
|
|
output [PORT_B1_DWIDTH-1:0] PORT_B1_RD_DATA_o;
|
|
|
|
input PORT_A2_CLK_i;
|
|
input [PORT_A2_AWIDTH-1:0] PORT_A2_ADDR_i;
|
|
input [PORT_A2_DWIDTH-1:0] PORT_A2_WR_DATA_i;
|
|
input PORT_A2_WEN_i;
|
|
input [PORT_A2_WR_BE_WIDTH-1:0] PORT_A2_WR_BE_i;
|
|
input PORT_A2_REN_i;
|
|
output [PORT_A2_DWIDTH-1:0] PORT_A2_RD_DATA_o;
|
|
|
|
input PORT_B2_CLK_i;
|
|
input [PORT_B2_AWIDTH-1:0] PORT_B2_ADDR_i;
|
|
input [PORT_B2_DWIDTH-1:0] PORT_B2_WR_DATA_i;
|
|
input PORT_B2_WEN_i;
|
|
input [PORT_B2_WR_BE_WIDTH-1:0] PORT_B2_WR_BE_i;
|
|
input PORT_B2_REN_i;
|
|
output [PORT_B2_DWIDTH-1:0] PORT_B2_RD_DATA_o;
|
|
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd0;
|
|
localparam [ 0:0] FMODE1_i = 1'd0;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = 12'd10;
|
|
localparam [11:0] UPAF1_i = 12'd10;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd0;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = 11'd10;
|
|
localparam [10:0] UPAF2_i = 11'd10;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
default: rwmode = 18;
|
|
endcase
|
|
endfunction
|
|
|
|
wire REN_A1_i;
|
|
wire REN_A2_i;
|
|
|
|
wire REN_B1_i;
|
|
wire REN_B2_i;
|
|
|
|
wire WEN_A1_i;
|
|
wire WEN_A2_i;
|
|
|
|
wire WEN_B1_i;
|
|
wire WEN_B2_i;
|
|
|
|
wire [1:0] BE_A1_i;
|
|
wire [1:0] BE_A2_i;
|
|
|
|
wire [1:0] BE_B1_i;
|
|
wire [1:0] BE_B2_i;
|
|
|
|
wire [14:0] ADDR_A1_i;
|
|
wire [13:0] ADDR_A2_i;
|
|
|
|
wire [14:0] ADDR_B1_i;
|
|
wire [13:0] ADDR_B2_i;
|
|
|
|
wire [17:0] WDATA_A1_i;
|
|
wire [17:0] WDATA_A2_i;
|
|
|
|
wire [17:0] WDATA_B1_i;
|
|
wire [17:0] WDATA_B2_i;
|
|
|
|
wire [17:0] RDATA_A1_o;
|
|
wire [17:0] RDATA_A2_o;
|
|
|
|
wire [17:0] RDATA_B1_o;
|
|
wire [17:0] RDATA_B2_o;
|
|
|
|
wire [1:0] PORT_A1_WR_BE;
|
|
wire [1:0] PORT_B1_WR_BE;
|
|
|
|
wire [1:0] PORT_A2_WR_BE;
|
|
wire [1:0] PORT_B2_WR_BE;
|
|
|
|
wire [17:0] PORT_B1_WDATA;
|
|
wire [17:0] PORT_B1_RDATA;
|
|
wire [17:0] PORT_A1_WDATA;
|
|
wire [17:0] PORT_A1_RDATA;
|
|
|
|
wire [17:0] PORT_B2_WDATA;
|
|
wire [17:0] PORT_B2_RDATA;
|
|
wire [17:0] PORT_A2_WDATA;
|
|
wire [17:0] PORT_A2_RDATA;
|
|
|
|
wire [13:0] PORT_A1_ADDR_INT;
|
|
wire [13:0] PORT_B1_ADDR_INT;
|
|
|
|
wire [13:0] PORT_A2_ADDR_INT;
|
|
wire [13:0] PORT_B2_ADDR_INT;
|
|
|
|
wire [13:0] PORT_A1_ADDR;
|
|
wire [13:0] PORT_B1_ADDR;
|
|
|
|
wire [13:0] PORT_A2_ADDR;
|
|
wire [13:0] PORT_B2_ADDR;
|
|
|
|
wire PORT_A1_CLK;
|
|
wire PORT_B1_CLK;
|
|
|
|
wire PORT_A2_CLK;
|
|
wire PORT_B2_CLK;
|
|
|
|
// Set port width mode (In non-split mode A2/B2 is not active. Set same values anyway to match previous behavior.)
|
|
localparam [ 2:0] RMODE_A1_i = mode(PORT_A1_DWIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(PORT_A1_DWIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(PORT_A2_DWIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(PORT_A2_DWIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(PORT_B1_DWIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(PORT_B1_DWIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(PORT_B2_DWIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(PORT_B2_DWIDTH);
|
|
|
|
localparam PORT_A1_WRWIDTH = rwmode(PORT_A1_DWIDTH);
|
|
localparam PORT_B1_WRWIDTH = rwmode(PORT_B1_DWIDTH);
|
|
localparam PORT_A2_WRWIDTH = rwmode(PORT_A2_DWIDTH);
|
|
localparam PORT_B2_WRWIDTH = rwmode(PORT_B2_DWIDTH);
|
|
|
|
assign PORT_A1_CLK = PORT_A1_CLK_i;
|
|
assign PORT_B1_CLK = PORT_B1_CLK_i;
|
|
|
|
assign PORT_A2_CLK = PORT_A2_CLK_i;
|
|
assign PORT_B2_CLK = PORT_B2_CLK_i;
|
|
|
|
generate
|
|
if (PORT_A1_AWIDTH == 14) begin
|
|
assign PORT_A1_ADDR_INT = PORT_A1_ADDR_i;
|
|
end else begin
|
|
assign PORT_A1_ADDR_INT[13:PORT_A1_AWIDTH] = 0;
|
|
assign PORT_A1_ADDR_INT[PORT_A1_AWIDTH-1:0] = PORT_A1_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_A1_DWIDTH)
|
|
1: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (PORT_B1_AWIDTH == 14) begin
|
|
assign PORT_B1_ADDR_INT = PORT_B1_ADDR_i;
|
|
end else begin
|
|
assign PORT_B1_ADDR_INT[13:PORT_B1_AWIDTH] = 0;
|
|
assign PORT_B1_ADDR_INT[PORT_B1_AWIDTH-1:0] = PORT_B1_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_B1_DWIDTH)
|
|
1: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (PORT_A2_AWIDTH == 14) begin
|
|
assign PORT_A2_ADDR_INT = PORT_A2_ADDR_i;
|
|
end else begin
|
|
assign PORT_A2_ADDR_INT[13:PORT_A2_AWIDTH] = 0;
|
|
assign PORT_A2_ADDR_INT[PORT_A2_AWIDTH-1:0] = PORT_A2_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_A2_DWIDTH)
|
|
1: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (PORT_B2_AWIDTH == 14) begin
|
|
assign PORT_B2_ADDR_INT = PORT_B2_ADDR_i;
|
|
end else begin
|
|
assign PORT_B2_ADDR_INT[13:PORT_B2_AWIDTH] = 0;
|
|
assign PORT_B2_ADDR_INT[PORT_B2_AWIDTH-1:0] = PORT_B2_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_B2_DWIDTH)
|
|
1: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
case (PORT_A1_WR_BE_WIDTH)
|
|
2: begin
|
|
assign PORT_A1_WR_BE = PORT_A1_WR_BE_i[PORT_A1_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_A1_WR_BE[1:PORT_A1_WR_BE_WIDTH] = 0;
|
|
assign PORT_A1_WR_BE[PORT_A1_WR_BE_WIDTH-1 :0] = PORT_A1_WR_BE_i[PORT_A1_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
case (PORT_B1_WR_BE_WIDTH)
|
|
2: begin
|
|
assign PORT_B1_WR_BE = PORT_B1_WR_BE_i[PORT_B1_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_B1_WR_BE[1:PORT_B1_WR_BE_WIDTH] = 0;
|
|
assign PORT_B1_WR_BE[PORT_B1_WR_BE_WIDTH-1 :0] = PORT_B1_WR_BE_i[PORT_B1_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
case (PORT_A2_WR_BE_WIDTH)
|
|
2: begin
|
|
assign PORT_A2_WR_BE = PORT_A2_WR_BE_i[PORT_A2_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_A2_WR_BE[1:PORT_A2_WR_BE_WIDTH] = 0;
|
|
assign PORT_A2_WR_BE[PORT_A2_WR_BE_WIDTH-1 :0] = PORT_A2_WR_BE_i[PORT_A2_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
case (PORT_B2_WR_BE_WIDTH)
|
|
2: begin
|
|
assign PORT_B2_WR_BE = PORT_B2_WR_BE_i[PORT_B2_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_B2_WR_BE[1:PORT_B2_WR_BE_WIDTH] = 0;
|
|
assign PORT_B2_WR_BE[PORT_B2_WR_BE_WIDTH-1 :0] = PORT_B2_WR_BE_i[PORT_B2_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
assign REN_A1_i = PORT_A1_REN_i;
|
|
assign WEN_A1_i = PORT_A1_WEN_i;
|
|
assign BE_A1_i = PORT_A1_WR_BE;
|
|
|
|
assign REN_A2_i = PORT_A2_REN_i;
|
|
assign WEN_A2_i = PORT_A2_WEN_i;
|
|
assign BE_A2_i = PORT_A2_WR_BE;
|
|
|
|
assign REN_B1_i = PORT_B1_REN_i;
|
|
assign WEN_B1_i = PORT_B1_WEN_i;
|
|
assign BE_B1_i = PORT_B1_WR_BE;
|
|
|
|
assign REN_B2_i = PORT_B2_REN_i;
|
|
assign WEN_B2_i = PORT_B2_WEN_i;
|
|
assign BE_B2_i = PORT_B2_WR_BE;
|
|
|
|
generate
|
|
if (PORT_A1_DWIDTH == 18) begin
|
|
assign PORT_A1_WDATA[PORT_A1_DWIDTH-1:0] = PORT_A1_WR_DATA_i[PORT_A1_DWIDTH-1:0];
|
|
end else if (PORT_A1_DWIDTH == 9) begin
|
|
assign PORT_A1_WDATA = {1'b0, PORT_A1_WR_DATA_i[8], 8'h0, PORT_A1_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_A1_WDATA[17:PORT_A1_DWIDTH] = 0;
|
|
assign PORT_A1_WDATA[PORT_A1_DWIDTH-1:0] = PORT_A1_WR_DATA_i[PORT_A1_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A1_i = PORT_A1_WDATA;
|
|
|
|
generate
|
|
if (PORT_A2_DWIDTH == 18) begin
|
|
assign PORT_A2_WDATA[PORT_A2_DWIDTH-1:0] = PORT_A2_WR_DATA_i[PORT_A2_DWIDTH-1:0];
|
|
end else if (PORT_A2_DWIDTH == 9) begin
|
|
assign PORT_A2_WDATA = {1'b0, PORT_A2_WR_DATA_i[8], 8'h0, PORT_A2_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_A2_WDATA[17:PORT_A2_DWIDTH] = 0;
|
|
assign PORT_A2_WDATA[PORT_A2_DWIDTH-1:0] = PORT_A2_WR_DATA_i[PORT_A2_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A2_i = PORT_A2_WDATA;
|
|
|
|
generate
|
|
if (PORT_A1_DWIDTH == 9) begin
|
|
assign PORT_A1_RDATA = { 9'h0, RDATA_A1_o[16], RDATA_A1_o[7:0]};
|
|
end else begin
|
|
assign PORT_A1_RDATA = RDATA_A1_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_A1_RD_DATA_o = PORT_A1_RDATA[PORT_A1_DWIDTH-1:0];
|
|
|
|
generate
|
|
if (PORT_A2_DWIDTH == 9) begin
|
|
assign PORT_A2_RDATA = { 9'h0, RDATA_A2_o[16], RDATA_A2_o[7:0]};
|
|
end else begin
|
|
assign PORT_A2_RDATA = RDATA_A2_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_A2_RD_DATA_o = PORT_A2_RDATA[PORT_A2_DWIDTH-1:0];
|
|
|
|
generate
|
|
if (PORT_B1_DWIDTH == 18) begin
|
|
assign PORT_B1_WDATA[PORT_B1_DWIDTH-1:0] = PORT_B1_WR_DATA_i[PORT_B1_DWIDTH-1:0];
|
|
end else if (PORT_B1_DWIDTH == 9) begin
|
|
assign PORT_B1_WDATA = {1'b0, PORT_B1_WR_DATA_i[8], 8'h0, PORT_B1_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_B1_WDATA[17:PORT_B1_DWIDTH] = 0;
|
|
assign PORT_B1_WDATA[PORT_B1_DWIDTH-1:0] = PORT_B1_WR_DATA_i[PORT_B1_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_B1_i = PORT_B1_WDATA;
|
|
|
|
generate
|
|
if (PORT_B2_DWIDTH == 18) begin
|
|
assign PORT_B2_WDATA[PORT_B2_DWIDTH-1:0] = PORT_B2_WR_DATA_i[PORT_B2_DWIDTH-1:0];
|
|
end else if (PORT_B2_DWIDTH == 9) begin
|
|
assign PORT_B2_WDATA = {1'b0, PORT_B2_WR_DATA_i[8], 8'h0, PORT_B2_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_B2_WDATA[17:PORT_B2_DWIDTH] = 0;
|
|
assign PORT_B2_WDATA[PORT_B2_DWIDTH-1:0] = PORT_B2_WR_DATA_i[PORT_B2_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_B2_i = PORT_B2_WDATA;
|
|
|
|
generate
|
|
if (PORT_B1_DWIDTH == 9) begin
|
|
assign PORT_B1_RDATA = { 9'h0, RDATA_B1_o[16], RDATA_B1_o[7:0]};
|
|
end else begin
|
|
assign PORT_B1_RDATA = RDATA_B1_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_B1_RD_DATA_o = PORT_B1_RDATA[PORT_B1_DWIDTH-1:0];
|
|
|
|
generate
|
|
if (PORT_B2_DWIDTH == 9) begin
|
|
assign PORT_B2_RDATA = { 9'h0, RDATA_B2_o[16], RDATA_B2_o[7:0]};
|
|
end else begin
|
|
assign PORT_B2_RDATA = RDATA_B2_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_B2_RD_DATA_o = PORT_B2_RDATA[PORT_B2_DWIDTH-1:0];
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b1,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 1 *)
|
|
(* is_fifo = 0 *)
|
|
(* port_a1_dwidth = PORT_A1_WRWIDTH *)
|
|
(* port_a2_dwidth = PORT_A2_WRWIDTH *)
|
|
(* port_b1_dwidth = PORT_B1_WRWIDTH *)
|
|
(* port_b2_dwidth = PORT_B2_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
|
|
.CLK_A1_i(PORT_A1_CLK),
|
|
.ADDR_A1_i({1'b0,PORT_A1_ADDR}),
|
|
.WEN_A1_i(WEN_A1_i),
|
|
.BE_A1_i(BE_A1_i),
|
|
.WDATA_A1_i(WDATA_A1_i),
|
|
.REN_A1_i(REN_A1_i),
|
|
.RDATA_A1_o(RDATA_A1_o),
|
|
|
|
.CLK_A2_i(PORT_A2_CLK),
|
|
.ADDR_A2_i(PORT_A2_ADDR),
|
|
.WEN_A2_i(WEN_A2_i),
|
|
.BE_A2_i(BE_A2_i),
|
|
.WDATA_A2_i(WDATA_A2_i),
|
|
.REN_A2_i(REN_A2_i),
|
|
.RDATA_A2_o(RDATA_A2_o),
|
|
|
|
.CLK_B1_i(PORT_B1_CLK),
|
|
.ADDR_B1_i({1'b0,PORT_B1_ADDR}),
|
|
.WEN_B1_i(WEN_B1_i),
|
|
.BE_B1_i(BE_B1_i),
|
|
.WDATA_B1_i(WDATA_B1_i),
|
|
.REN_B1_i(REN_B1_i),
|
|
.RDATA_B1_o(RDATA_B1_o),
|
|
|
|
.CLK_B2_i(PORT_B2_CLK),
|
|
.ADDR_B2_i(PORT_B2_ADDR),
|
|
.WEN_B2_i(WEN_B2_i),
|
|
.BE_B2_i(BE_B2_i),
|
|
.WDATA_B2_i(WDATA_B2_i),
|
|
.REN_B2_i(REN_B2_i),
|
|
.RDATA_B2_o(RDATA_B2_o),
|
|
|
|
.FLUSH1_i(1'b0),
|
|
.FLUSH2_i(1'b0)
|
|
);
|
|
|
|
endmodule
|
|
|
|
module SFIFO_36K_BLK (
|
|
DIN,
|
|
PUSH,
|
|
POP,
|
|
CLK,
|
|
Async_Flush,
|
|
Overrun_Error,
|
|
Full_Watermark,
|
|
Almost_Full,
|
|
Full,
|
|
Underrun_Error,
|
|
Empty_Watermark,
|
|
Almost_Empty,
|
|
Empty,
|
|
DOUT
|
|
);
|
|
|
|
parameter WR_DATA_WIDTH = 36;
|
|
parameter RD_DATA_WIDTH = 36;
|
|
parameter UPAE_DBITS = 12'd10;
|
|
parameter UPAF_DBITS = 12'd10;
|
|
|
|
input wire CLK;
|
|
input wire PUSH, POP;
|
|
input wire [WR_DATA_WIDTH-1:0] DIN;
|
|
input wire Async_Flush;
|
|
output wire [RD_DATA_WIDTH-1:0] DOUT;
|
|
output wire Almost_Full, Almost_Empty;
|
|
output wire Full, Empty;
|
|
output wire Full_Watermark, Empty_Watermark;
|
|
output wire Overrun_Error, Underrun_Error;
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd1;
|
|
localparam [ 0:0] FMODE1_i = 1'd1;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = UPAE_DBITS;
|
|
localparam [11:0] UPAF1_i = UPAF_DBITS;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd0;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = 11'd10;
|
|
localparam [10:0] UPAF2_i = 11'd10;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
32, 36: rwmode = 36;
|
|
default: rwmode = 36;
|
|
endcase
|
|
endfunction
|
|
|
|
wire [35:0] in_reg;
|
|
wire [35:0] out_reg;
|
|
wire [17:0] fifo_flags;
|
|
|
|
wire [35:0] RD_DATA_INT;
|
|
|
|
wire Push_Clk, Pop_Clk;
|
|
|
|
assign Push_Clk = CLK;
|
|
assign Pop_Clk = CLK;
|
|
|
|
assign Overrun_Error = fifo_flags[0];
|
|
assign Full_Watermark = fifo_flags[1];
|
|
assign Almost_Full = fifo_flags[2];
|
|
assign Full = fifo_flags[3];
|
|
assign Underrun_Error = fifo_flags[4];
|
|
assign Empty_Watermark = fifo_flags[5];
|
|
assign Almost_Empty = fifo_flags[6];
|
|
assign Empty = fifo_flags[7];
|
|
|
|
localparam [ 2:0] RMODE_A1_i = mode(WR_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(WR_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(WR_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(WR_DATA_WIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(RD_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(RD_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(RD_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(RD_DATA_WIDTH);
|
|
|
|
localparam PORT_A_WRWIDTH = rwmode(WR_DATA_WIDTH);
|
|
localparam PORT_B_WRWIDTH = rwmode(RD_DATA_WIDTH);
|
|
|
|
generate
|
|
if (WR_DATA_WIDTH == 36) begin
|
|
assign in_reg[WR_DATA_WIDTH-1:0] = DIN[WR_DATA_WIDTH-1:0];
|
|
end else if (WR_DATA_WIDTH > 18 && WR_DATA_WIDTH < 36) begin
|
|
assign in_reg[WR_DATA_WIDTH+1:18] = DIN[WR_DATA_WIDTH-1:16];
|
|
assign in_reg[17:0] = {2'b00,DIN[15:0]};
|
|
end else if (WR_DATA_WIDTH == 9) begin
|
|
assign in_reg[35:0] = {19'h0, DIN[8], 8'h0, DIN[7:0]};
|
|
end else begin
|
|
assign in_reg[35:WR_DATA_WIDTH] = 0;
|
|
assign in_reg[WR_DATA_WIDTH-1:0] = DIN[WR_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD_DATA_WIDTH == 36) begin
|
|
assign RD_DATA_INT = out_reg;
|
|
end else if (RD_DATA_WIDTH > 18 && RD_DATA_WIDTH < 36) begin
|
|
assign RD_DATA_INT = {2'b00,out_reg[35:18],out_reg[15:0]};
|
|
end else if (RD_DATA_WIDTH == 9) begin
|
|
assign RD_DATA_INT = { 27'h0, out_reg[16], out_reg[7:0]};
|
|
end else begin
|
|
assign RD_DATA_INT = {18'h0, out_reg[17:0]};
|
|
end
|
|
endgenerate
|
|
|
|
assign DOUT[RD_DATA_WIDTH-1 : 0] = RD_DATA_INT[RD_DATA_WIDTH-1 : 0];
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b0,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_fifo = 1 *)
|
|
(* sync_fifo = 1 *)
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 0 *)
|
|
(* port_a_dwidth = PORT_A_WRWIDTH *)
|
|
(* port_b_dwidth = PORT_B_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
.WDATA_A1_i(in_reg[17:0]),
|
|
.WDATA_A2_i(in_reg[35:18]),
|
|
.RDATA_A1_o(fifo_flags),
|
|
.RDATA_A2_o(),
|
|
.ADDR_A1_i(14'h0),
|
|
.ADDR_A2_i(14'h0),
|
|
.CLK_A1_i(Push_Clk),
|
|
.CLK_A2_i(1'b0),
|
|
.REN_A1_i(1'b1),
|
|
.REN_A2_i(1'b0),
|
|
.WEN_A1_i(PUSH),
|
|
.WEN_A2_i(1'b0),
|
|
.BE_A1_i(2'b11),
|
|
.BE_A2_i(2'b11),
|
|
|
|
.WDATA_B1_i(18'h0),
|
|
.WDATA_B2_i(18'h0),
|
|
.RDATA_B1_o(out_reg[17:0]),
|
|
.RDATA_B2_o(out_reg[35:18]),
|
|
.ADDR_B1_i(14'h0),
|
|
.ADDR_B2_i(14'h0),
|
|
.CLK_B1_i(Pop_Clk),
|
|
.CLK_B2_i(1'b0),
|
|
.REN_B1_i(POP),
|
|
.REN_B2_i(1'b0),
|
|
.WEN_B1_i(1'b0),
|
|
.WEN_B2_i(1'b0),
|
|
.BE_B1_i(2'b11),
|
|
.BE_B2_i(2'b11),
|
|
|
|
.FLUSH1_i(Async_Flush),
|
|
.FLUSH2_i(1'b0)
|
|
);
|
|
|
|
|
|
|
|
endmodule
|
|
|
|
module AFIFO_36K_BLK (
|
|
DIN,
|
|
PUSH,
|
|
POP,
|
|
Push_Clk,
|
|
Pop_Clk,
|
|
Async_Flush,
|
|
Overrun_Error,
|
|
Full_Watermark,
|
|
Almost_Full,
|
|
Full,
|
|
Underrun_Error,
|
|
Empty_Watermark,
|
|
Almost_Empty,
|
|
Empty,
|
|
DOUT
|
|
);
|
|
|
|
parameter WR_DATA_WIDTH = 36;
|
|
parameter RD_DATA_WIDTH = 36;
|
|
parameter UPAE_DBITS = 12'd10;
|
|
parameter UPAF_DBITS = 12'd10;
|
|
|
|
input wire Push_Clk, Pop_Clk;
|
|
input wire PUSH, POP;
|
|
input wire [WR_DATA_WIDTH-1:0] DIN;
|
|
input wire Async_Flush;
|
|
output wire [RD_DATA_WIDTH-1:0] DOUT;
|
|
output wire Almost_Full, Almost_Empty;
|
|
output wire Full, Empty;
|
|
output wire Full_Watermark, Empty_Watermark;
|
|
output wire Overrun_Error, Underrun_Error;
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd0;
|
|
localparam [ 0:0] FMODE1_i = 1'd1;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = UPAE_DBITS;
|
|
localparam [11:0] UPAF1_i = UPAF_DBITS;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd0;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = 11'd10;
|
|
localparam [10:0] UPAF2_i = 11'd10;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
32, 36: rwmode = 36;
|
|
default: rwmode = 36;
|
|
endcase
|
|
endfunction
|
|
|
|
wire [35:0] in_reg;
|
|
wire [35:0] out_reg;
|
|
wire [17:0] fifo_flags;
|
|
|
|
wire [35:0] RD_DATA_INT;
|
|
wire [35:WR_DATA_WIDTH] WR_DATA_CMPL;
|
|
|
|
assign Overrun_Error = fifo_flags[0];
|
|
assign Full_Watermark = fifo_flags[1];
|
|
assign Almost_Full = fifo_flags[2];
|
|
assign Full = fifo_flags[3];
|
|
assign Underrun_Error = fifo_flags[4];
|
|
assign Empty_Watermark = fifo_flags[5];
|
|
assign Almost_Empty = fifo_flags[6];
|
|
assign Empty = fifo_flags[7];
|
|
|
|
localparam [ 2:0] RMODE_A1_i = mode(WR_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(WR_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(WR_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(WR_DATA_WIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(RD_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(RD_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(RD_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(RD_DATA_WIDTH);
|
|
|
|
localparam PORT_A_WRWIDTH = rwmode(WR_DATA_WIDTH);
|
|
localparam PORT_B_WRWIDTH = rwmode(RD_DATA_WIDTH);
|
|
|
|
generate
|
|
if (WR_DATA_WIDTH == 36) begin
|
|
assign in_reg[WR_DATA_WIDTH-1:0] = DIN[WR_DATA_WIDTH-1:0];
|
|
end else if (WR_DATA_WIDTH > 18 && WR_DATA_WIDTH < 36) begin
|
|
assign in_reg[WR_DATA_WIDTH+1:18] = DIN[WR_DATA_WIDTH-1:16];
|
|
assign in_reg[17:0] = {2'b00,DIN[15:0]};
|
|
end else if (WR_DATA_WIDTH == 9) begin
|
|
assign in_reg[35:0] = {19'h0, DIN[8], 8'h0, DIN[7:0]};
|
|
end else begin
|
|
assign in_reg[35:WR_DATA_WIDTH] = 0;
|
|
assign in_reg[WR_DATA_WIDTH-1:0] = DIN[WR_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD_DATA_WIDTH == 36) begin
|
|
assign RD_DATA_INT = out_reg;
|
|
end else if (RD_DATA_WIDTH > 18 && RD_DATA_WIDTH < 36) begin
|
|
assign RD_DATA_INT = {2'b00,out_reg[35:18],out_reg[15:0]};
|
|
end else if (RD_DATA_WIDTH == 9) begin
|
|
assign RD_DATA_INT = { 27'h0, out_reg[16], out_reg[7:0]};
|
|
end else begin
|
|
assign RD_DATA_INT = {18'h0, out_reg[17:0]};
|
|
end
|
|
endgenerate
|
|
|
|
assign DOUT[RD_DATA_WIDTH-1 : 0] = RD_DATA_INT[RD_DATA_WIDTH-1 : 0];
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b0,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_fifo = 1 *)
|
|
(* sync_fifo = 0 *)
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 0 *)
|
|
(* port_a_dwidth = PORT_A_WRWIDTH *)
|
|
(* port_b_dwidth = PORT_B_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
.WDATA_A1_i(in_reg[17:0]),
|
|
.WDATA_A2_i(in_reg[35:18]),
|
|
.RDATA_A1_o(fifo_flags),
|
|
.RDATA_A2_o(),
|
|
.ADDR_A1_i(14'h0),
|
|
.ADDR_A2_i(14'h0),
|
|
.CLK_A1_i(Push_Clk),
|
|
.CLK_A2_i(1'b0),
|
|
.REN_A1_i(1'b1),
|
|
.REN_A2_i(1'b0),
|
|
.WEN_A1_i(PUSH),
|
|
.WEN_A2_i(1'b0),
|
|
.BE_A1_i(2'b11),
|
|
.BE_A2_i(2'b11),
|
|
|
|
.WDATA_B1_i(18'h0),
|
|
.WDATA_B2_i(18'h0),
|
|
.RDATA_B1_o(out_reg[17:0]),
|
|
.RDATA_B2_o(out_reg[35:18]),
|
|
.ADDR_B1_i(14'h0),
|
|
.ADDR_B2_i(14'h0),
|
|
.CLK_B1_i(Pop_Clk),
|
|
.CLK_B2_i(1'b0),
|
|
.REN_B1_i(POP),
|
|
.REN_B2_i(1'b0),
|
|
.WEN_B1_i(1'b0),
|
|
.WEN_B2_i(1'b0),
|
|
.BE_B1_i(2'b11),
|
|
.BE_B2_i(2'b11),
|
|
|
|
.FLUSH1_i(Async_Flush),
|
|
.FLUSH2_i(1'b0)
|
|
);
|
|
|
|
|
|
|
|
endmodule
|
|
|
|
module SFIFO_18K_BLK (
|
|
DIN,
|
|
PUSH,
|
|
POP,
|
|
CLK,
|
|
Async_Flush,
|
|
Overrun_Error,
|
|
Full_Watermark,
|
|
Almost_Full,
|
|
Full,
|
|
Underrun_Error,
|
|
Empty_Watermark,
|
|
Almost_Empty,
|
|
Empty,
|
|
DOUT
|
|
);
|
|
|
|
parameter WR_DATA_WIDTH = 18;
|
|
parameter RD_DATA_WIDTH = 18;
|
|
parameter UPAE_DBITS = 11'd10;
|
|
parameter UPAF_DBITS = 11'd10;
|
|
|
|
input wire CLK;
|
|
input wire PUSH, POP;
|
|
input wire [WR_DATA_WIDTH-1:0] DIN;
|
|
input wire Async_Flush;
|
|
output wire [RD_DATA_WIDTH-1:0] DOUT;
|
|
output wire Almost_Full, Almost_Empty;
|
|
output wire Full, Empty;
|
|
output wire Full_Watermark, Empty_Watermark;
|
|
output wire Overrun_Error, Underrun_Error;
|
|
|
|
BRAM2x18_SFIFO #(
|
|
.WR1_DATA_WIDTH(WR_DATA_WIDTH),
|
|
.RD1_DATA_WIDTH(RD_DATA_WIDTH),
|
|
.UPAE_DBITS1(UPAE_DBITS),
|
|
.UPAF_DBITS1(UPAF_DBITS),
|
|
.WR2_DATA_WIDTH(),
|
|
.RD2_DATA_WIDTH(),
|
|
.UPAE_DBITS2(),
|
|
.UPAF_DBITS2()
|
|
) U1
|
|
(
|
|
.DIN1(DIN),
|
|
.PUSH1(PUSH),
|
|
.POP1(POP),
|
|
.CLK1(CLK),
|
|
.Async_Flush1(Async_Flush),
|
|
.Overrun_Error1(Overrun_Error),
|
|
.Full_Watermark1(Full_Watermark),
|
|
.Almost_Full1(Almost_Full),
|
|
.Full1(Full),
|
|
.Underrun_Error1(Underrun_Error),
|
|
.Empty_Watermark1(Empty_Watermark),
|
|
.Almost_Empty1(Almost_Empty),
|
|
.Empty1(Empty),
|
|
.DOUT1(DOUT),
|
|
|
|
.DIN2(18'h0),
|
|
.PUSH2(1'b0),
|
|
.POP2(1'b0),
|
|
.CLK2(1'b0),
|
|
.Async_Flush2(1'b0),
|
|
.Overrun_Error2(),
|
|
.Full_Watermark2(),
|
|
.Almost_Full2(),
|
|
.Full2(),
|
|
.Underrun_Error2(),
|
|
.Empty_Watermark2(),
|
|
.Almost_Empty2(),
|
|
.Empty2(),
|
|
.DOUT2()
|
|
);
|
|
|
|
endmodule
|
|
|
|
module SFIFO_18K_X2_BLK (
|
|
DIN1,
|
|
PUSH1,
|
|
POP1,
|
|
CLK1,
|
|
Async_Flush1,
|
|
Overrun_Error1,
|
|
Full_Watermark1,
|
|
Almost_Full1,
|
|
Full1,
|
|
Underrun_Error1,
|
|
Empty_Watermark1,
|
|
Almost_Empty1,
|
|
Empty1,
|
|
DOUT1,
|
|
|
|
DIN2,
|
|
PUSH2,
|
|
POP2,
|
|
CLK2,
|
|
Async_Flush2,
|
|
Overrun_Error2,
|
|
Full_Watermark2,
|
|
Almost_Full2,
|
|
Full2,
|
|
Underrun_Error2,
|
|
Empty_Watermark2,
|
|
Almost_Empty2,
|
|
Empty2,
|
|
DOUT2
|
|
);
|
|
|
|
parameter WR1_DATA_WIDTH = 18;
|
|
parameter RD1_DATA_WIDTH = 18;
|
|
|
|
parameter WR2_DATA_WIDTH = 18;
|
|
parameter RD2_DATA_WIDTH = 18;
|
|
|
|
parameter UPAE_DBITS1 = 12'd10;
|
|
parameter UPAF_DBITS1 = 12'd10;
|
|
|
|
parameter UPAE_DBITS2 = 11'd10;
|
|
parameter UPAF_DBITS2 = 11'd10;
|
|
|
|
input CLK1;
|
|
input PUSH1, POP1;
|
|
input [WR1_DATA_WIDTH-1:0] DIN1;
|
|
input Async_Flush1;
|
|
output [RD1_DATA_WIDTH-1:0] DOUT1;
|
|
output Almost_Full1, Almost_Empty1;
|
|
output Full1, Empty1;
|
|
output Full_Watermark1, Empty_Watermark1;
|
|
output Overrun_Error1, Underrun_Error1;
|
|
|
|
input CLK2;
|
|
input PUSH2, POP2;
|
|
input [WR2_DATA_WIDTH-1:0] DIN2;
|
|
input Async_Flush2;
|
|
output [RD2_DATA_WIDTH-1:0] DOUT2;
|
|
output Almost_Full2, Almost_Empty2;
|
|
output Full2, Empty2;
|
|
output Full_Watermark2, Empty_Watermark2;
|
|
output Overrun_Error2, Underrun_Error2;
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd1;
|
|
localparam [ 0:0] FMODE1_i = 1'd1;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = UPAE_DBITS1;
|
|
localparam [11:0] UPAF1_i = UPAF_DBITS1;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd1;
|
|
localparam [ 0:0] FMODE2_i = 1'd1;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = UPAE_DBITS2;
|
|
localparam [10:0] UPAF2_i = UPAF_DBITS2;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
default: rwmode = 18;
|
|
endcase
|
|
endfunction
|
|
|
|
wire [17:0] in_reg1;
|
|
wire [17:0] out_reg1;
|
|
wire [17:0] fifo1_flags;
|
|
|
|
wire [17:0] in_reg2;
|
|
wire [17:0] out_reg2;
|
|
wire [17:0] fifo2_flags;
|
|
|
|
wire Push_Clk1, Pop_Clk1;
|
|
wire Push_Clk2, Pop_Clk2;
|
|
assign Push_Clk1 = CLK1;
|
|
assign Pop_Clk1 = CLK1;
|
|
assign Push_Clk2 = CLK2;
|
|
assign Pop_Clk2 = CLK2;
|
|
|
|
assign Overrun_Error1 = fifo1_flags[0];
|
|
assign Full_Watermark1 = fifo1_flags[1];
|
|
assign Almost_Full1 = fifo1_flags[2];
|
|
assign Full1 = fifo1_flags[3];
|
|
assign Underrun_Error1 = fifo1_flags[4];
|
|
assign Empty_Watermark1 = fifo1_flags[5];
|
|
assign Almost_Empty1 = fifo1_flags[6];
|
|
assign Empty1 = fifo1_flags[7];
|
|
|
|
assign Overrun_Error2 = fifo2_flags[0];
|
|
assign Full_Watermark2 = fifo2_flags[1];
|
|
assign Almost_Full2 = fifo2_flags[2];
|
|
assign Full2 = fifo2_flags[3];
|
|
assign Underrun_Error2 = fifo2_flags[4];
|
|
assign Empty_Watermark2 = fifo2_flags[5];
|
|
assign Almost_Empty2 = fifo2_flags[6];
|
|
assign Empty2 = fifo2_flags[7];
|
|
|
|
localparam [ 2:0] RMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
|
|
localparam PORT_A1_WRWIDTH = rwmode(WR1_DATA_WIDTH);
|
|
localparam PORT_B1_WRWIDTH = rwmode(RD1_DATA_WIDTH);
|
|
localparam PORT_A2_WRWIDTH = rwmode(WR2_DATA_WIDTH);
|
|
localparam PORT_B2_WRWIDTH = rwmode(RD2_DATA_WIDTH);
|
|
|
|
generate
|
|
if (WR1_DATA_WIDTH == 18) begin
|
|
assign in_reg1[17:0] = DIN1[17:0];
|
|
end else if (WR1_DATA_WIDTH == 9) begin
|
|
assign in_reg1[17:0] = {1'b0, DIN1[8], 8'h0, DIN1[7:0]};
|
|
end else begin
|
|
assign in_reg1[17:WR1_DATA_WIDTH] = 0;
|
|
assign in_reg1[WR1_DATA_WIDTH-1:0] = DIN1[WR1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD1_DATA_WIDTH == 9) begin
|
|
assign DOUT1[RD1_DATA_WIDTH-1:0] = {out_reg1[16], out_reg1[7:0]};
|
|
end else begin
|
|
assign DOUT1[RD1_DATA_WIDTH-1:0] = out_reg1[RD1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (WR2_DATA_WIDTH == 18) begin
|
|
assign in_reg2[17:0] = DIN2[17:0];
|
|
end else if (WR2_DATA_WIDTH == 9) begin
|
|
assign in_reg2[17:0] = {1'b0, DIN2[8], 8'h0, DIN2[7:0]};
|
|
end else begin
|
|
assign in_reg2[17:WR2_DATA_WIDTH] = 0;
|
|
assign in_reg2[WR2_DATA_WIDTH-1:0] = DIN2[WR2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD2_DATA_WIDTH == 9) begin
|
|
assign DOUT2[RD2_DATA_WIDTH-1:0] = {out_reg2[16], out_reg2[7:0]};
|
|
end else begin
|
|
assign DOUT2[RD2_DATA_WIDTH-1:0] = out_reg2[RD2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b1,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_fifo = 1 *)
|
|
(* sync_fifo = 1 *)
|
|
(* is_split = 1 *)
|
|
(* is_inferred = 0 *)
|
|
(* port_a1_dwidth = PORT_A1_WRWIDTH *)
|
|
(* port_a2_dwidth = PORT_A2_WRWIDTH *)
|
|
(* port_b1_dwidth = PORT_B1_WRWIDTH *)
|
|
(* port_b2_dwidth = PORT_B2_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
.WDATA_A1_i(in_reg1[17:0]),
|
|
.WDATA_A2_i(in_reg2[17:0]),
|
|
.RDATA_A1_o(fifo1_flags),
|
|
.RDATA_A2_o(fifo2_flags),
|
|
.ADDR_A1_i(14'h0),
|
|
.ADDR_A2_i(14'h0),
|
|
.CLK_A1_i(Push_Clk1),
|
|
.CLK_A2_i(Push_Clk2),
|
|
.REN_A1_i(1'b1),
|
|
.REN_A2_i(1'b1),
|
|
.WEN_A1_i(PUSH1),
|
|
.WEN_A2_i(PUSH2),
|
|
.BE_A1_i(2'b11),
|
|
.BE_A2_i(2'b11),
|
|
|
|
.WDATA_B1_i(18'h0),
|
|
.WDATA_B2_i(18'h0),
|
|
.RDATA_B1_o(out_reg1[17:0]),
|
|
.RDATA_B2_o(out_reg2[17:0]),
|
|
.ADDR_B1_i(14'h0),
|
|
.ADDR_B2_i(14'h0),
|
|
.CLK_B1_i(Pop_Clk1),
|
|
.CLK_B2_i(Pop_Clk2),
|
|
.REN_B1_i(POP1),
|
|
.REN_B2_i(POP2),
|
|
.WEN_B1_i(1'b0),
|
|
.WEN_B2_i(1'b0),
|
|
.BE_B1_i(2'b11),
|
|
.BE_B2_i(2'b11),
|
|
|
|
.FLUSH1_i(Async_Flush1),
|
|
.FLUSH2_i(Async_Flush2)
|
|
);
|
|
|
|
endmodule
|
|
|
|
module AFIFO_18K_BLK (
|
|
DIN,
|
|
PUSH,
|
|
POP,
|
|
Push_Clk,
|
|
Pop_Clk,
|
|
Async_Flush,
|
|
Overrun_Error,
|
|
Full_Watermark,
|
|
Almost_Full,
|
|
Full,
|
|
Underrun_Error,
|
|
Empty_Watermark,
|
|
Almost_Empty,
|
|
Empty,
|
|
DOUT
|
|
);
|
|
|
|
parameter WR_DATA_WIDTH = 18;
|
|
parameter RD_DATA_WIDTH = 18;
|
|
parameter UPAE_DBITS = 11'd10;
|
|
parameter UPAF_DBITS = 11'd10;
|
|
|
|
input wire Push_Clk, Pop_Clk;
|
|
input wire PUSH, POP;
|
|
input wire [WR_DATA_WIDTH-1:0] DIN;
|
|
input wire Async_Flush;
|
|
output wire [RD_DATA_WIDTH-1:0] DOUT;
|
|
output wire Almost_Full, Almost_Empty;
|
|
output wire Full, Empty;
|
|
output wire Full_Watermark, Empty_Watermark;
|
|
output wire Overrun_Error, Underrun_Error;
|
|
|
|
BRAM2x18_AFIFO #(
|
|
.WR1_DATA_WIDTH(WR_DATA_WIDTH),
|
|
.RD1_DATA_WIDTH(RD_DATA_WIDTH),
|
|
.UPAE_DBITS1(UPAE_DBITS),
|
|
.UPAF_DBITS1(UPAF_DBITS),
|
|
.WR2_DATA_WIDTH(),
|
|
.RD2_DATA_WIDTH(),
|
|
.UPAE_DBITS2(),
|
|
.UPAF_DBITS2()
|
|
) U1
|
|
(
|
|
.DIN1(DIN),
|
|
.PUSH1(PUSH),
|
|
.POP1(POP),
|
|
.Push_Clk1(Push_Clk),
|
|
.Pop_Clk1(Pop_Clk),
|
|
.Async_Flush1(Async_Flush),
|
|
.Overrun_Error1(Overrun_Error),
|
|
.Full_Watermark1(Full_Watermark),
|
|
.Almost_Full1(Almost_Full),
|
|
.Full1(Full),
|
|
.Underrun_Error1(Underrun_Error),
|
|
.Empty_Watermark1(Empty_Watermark),
|
|
.Almost_Empty1(Almost_Empty),
|
|
.Empty1(Empty),
|
|
.DOUT1(DOUT),
|
|
|
|
.DIN2(18'h0),
|
|
.PUSH2(1'b0),
|
|
.POP2(1'b0),
|
|
.Push_Clk2(1'b0),
|
|
.Pop_Clk2(1'b0),
|
|
.Async_Flush2(1'b0),
|
|
.Overrun_Error2(),
|
|
.Full_Watermark2(),
|
|
.Almost_Full2(),
|
|
.Full2(),
|
|
.Underrun_Error2(),
|
|
.Empty_Watermark2(),
|
|
.Almost_Empty2(),
|
|
.Empty2(),
|
|
.DOUT2()
|
|
);
|
|
|
|
endmodule
|
|
|
|
module AFIFO_18K_X2_BLK (
|
|
DIN1,
|
|
PUSH1,
|
|
POP1,
|
|
Push_Clk1,
|
|
Pop_Clk1,
|
|
Async_Flush1,
|
|
Overrun_Error1,
|
|
Full_Watermark1,
|
|
Almost_Full1,
|
|
Full1,
|
|
Underrun_Error1,
|
|
Empty_Watermark1,
|
|
Almost_Empty1,
|
|
Empty1,
|
|
DOUT1,
|
|
|
|
DIN2,
|
|
PUSH2,
|
|
POP2,
|
|
Push_Clk2,
|
|
Pop_Clk2,
|
|
Async_Flush2,
|
|
Overrun_Error2,
|
|
Full_Watermark2,
|
|
Almost_Full2,
|
|
Full2,
|
|
Underrun_Error2,
|
|
Empty_Watermark2,
|
|
Almost_Empty2,
|
|
Empty2,
|
|
DOUT2
|
|
);
|
|
|
|
parameter WR1_DATA_WIDTH = 18;
|
|
parameter RD1_DATA_WIDTH = 18;
|
|
|
|
parameter WR2_DATA_WIDTH = 18;
|
|
parameter RD2_DATA_WIDTH = 18;
|
|
|
|
parameter UPAE_DBITS1 = 12'd10;
|
|
parameter UPAF_DBITS1 = 12'd10;
|
|
|
|
parameter UPAE_DBITS2 = 11'd10;
|
|
parameter UPAF_DBITS2 = 11'd10;
|
|
|
|
input Push_Clk1, Pop_Clk1;
|
|
input PUSH1, POP1;
|
|
input [WR1_DATA_WIDTH-1:0] DIN1;
|
|
input Async_Flush1;
|
|
output [RD1_DATA_WIDTH-1:0] DOUT1;
|
|
output Almost_Full1, Almost_Empty1;
|
|
output Full1, Empty1;
|
|
output Full_Watermark1, Empty_Watermark1;
|
|
output Overrun_Error1, Underrun_Error1;
|
|
|
|
input Push_Clk2, Pop_Clk2;
|
|
input PUSH2, POP2;
|
|
input [WR2_DATA_WIDTH-1:0] DIN2;
|
|
input Async_Flush2;
|
|
output [RD2_DATA_WIDTH-1:0] DOUT2;
|
|
output Almost_Full2, Almost_Empty2;
|
|
output Full2, Empty2;
|
|
output Full_Watermark2, Empty_Watermark2;
|
|
output Overrun_Error2, Underrun_Error2;
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd0;
|
|
localparam [ 0:0] FMODE1_i = 1'd1;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = UPAE_DBITS1;
|
|
localparam [11:0] UPAF1_i = UPAF_DBITS1;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd1;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = UPAE_DBITS2;
|
|
localparam [10:0] UPAF2_i = UPAF_DBITS2;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
default: rwmode = 18;
|
|
endcase
|
|
endfunction
|
|
|
|
wire [17:0] in_reg1;
|
|
wire [17:0] out_reg1;
|
|
wire [17:0] fifo1_flags;
|
|
|
|
wire [17:0] in_reg2;
|
|
wire [17:0] out_reg2;
|
|
wire [17:0] fifo2_flags;
|
|
|
|
wire Push_Clk1, Pop_Clk1;
|
|
wire Push_Clk2, Pop_Clk2;
|
|
|
|
assign Overrun_Error1 = fifo1_flags[0];
|
|
assign Full_Watermark1 = fifo1_flags[1];
|
|
assign Almost_Full1 = fifo1_flags[2];
|
|
assign Full1 = fifo1_flags[3];
|
|
assign Underrun_Error1 = fifo1_flags[4];
|
|
assign Empty_Watermark1 = fifo1_flags[5];
|
|
assign Almost_Empty1 = fifo1_flags[6];
|
|
assign Empty1 = fifo1_flags[7];
|
|
|
|
assign Overrun_Error2 = fifo2_flags[0];
|
|
assign Full_Watermark2 = fifo2_flags[1];
|
|
assign Almost_Full2 = fifo2_flags[2];
|
|
assign Full2 = fifo2_flags[3];
|
|
assign Underrun_Error2 = fifo2_flags[4];
|
|
assign Empty_Watermark2 = fifo2_flags[5];
|
|
assign Almost_Empty2 = fifo2_flags[6];
|
|
assign Empty2 = fifo2_flags[7];
|
|
|
|
localparam [ 2:0] RMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
|
|
localparam PORT_A1_WRWIDTH = rwmode(WR1_DATA_WIDTH);
|
|
localparam PORT_B1_WRWIDTH = rwmode(RD1_DATA_WIDTH);
|
|
localparam PORT_A2_WRWIDTH = rwmode(WR2_DATA_WIDTH);
|
|
localparam PORT_B2_WRWIDTH = rwmode(RD2_DATA_WIDTH);
|
|
|
|
generate
|
|
if (WR1_DATA_WIDTH == 18) begin
|
|
assign in_reg1[17:0] = DIN1[17:0];
|
|
end else if (WR1_DATA_WIDTH == 9) begin
|
|
assign in_reg1[17:0] = {1'b0, DIN1[8], 8'h0, DIN1[7:0]};
|
|
end else begin
|
|
assign in_reg1[17:WR1_DATA_WIDTH] = 0;
|
|
assign in_reg1[WR1_DATA_WIDTH-1:0] = DIN1[WR1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD1_DATA_WIDTH == 9) begin
|
|
assign DOUT1[RD1_DATA_WIDTH-1:0] = {out_reg1[16], out_reg1[7:0]};
|
|
end else begin
|
|
assign DOUT1[RD1_DATA_WIDTH-1:0] = out_reg1[RD1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (WR2_DATA_WIDTH == 18) begin
|
|
assign in_reg2[17:0] = DIN2[17:0];
|
|
end else if (WR2_DATA_WIDTH == 9) begin
|
|
assign in_reg2[17:0] = {1'b0, DIN2[8], 8'h0, DIN2[7:0]};
|
|
end else begin
|
|
assign in_reg2[17:WR2_DATA_WIDTH] = 0;
|
|
assign in_reg2[WR2_DATA_WIDTH-1:0] = DIN2[WR2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD2_DATA_WIDTH == 9) begin
|
|
assign DOUT2[RD2_DATA_WIDTH-1:0] = {out_reg2[16], out_reg2[7:0]};
|
|
end else begin
|
|
assign DOUT2[RD2_DATA_WIDTH-1:0] = out_reg2[RD2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b1,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_fifo = 1 *)
|
|
(* sync_fifo = 0 *)
|
|
(* is_split = 1 *)
|
|
(* is_inferred = 0 *)
|
|
(* port_a1_dwidth = PORT_A1_WRWIDTH *)
|
|
(* port_a2_dwidth = PORT_A2_WRWIDTH *)
|
|
(* port_b1_dwidth = PORT_B1_WRWIDTH *)
|
|
(* port_b2_dwidth = PORT_B2_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
.WDATA_A1_i(in_reg1[17:0]),
|
|
.WDATA_A2_i(in_reg2[17:0]),
|
|
.RDATA_A1_o(fifo1_flags),
|
|
.RDATA_A2_o(fifo2_flags),
|
|
.ADDR_A1_i(14'h0),
|
|
.ADDR_A2_i(14'h0),
|
|
.CLK_A1_i(Push_Clk1),
|
|
.CLK_A2_i(Push_Clk2),
|
|
.REN_A1_i(1'b1),
|
|
.REN_A2_i(1'b1),
|
|
.WEN_A1_i(PUSH1),
|
|
.WEN_A2_i(PUSH2),
|
|
.BE_A1_i(2'b11),
|
|
.BE_A2_i(2'b11),
|
|
|
|
.WDATA_B1_i(18'h0),
|
|
.WDATA_B2_i(18'h0),
|
|
.RDATA_B1_o(out_reg1[17:0]),
|
|
.RDATA_B2_o(out_reg2[17:0]),
|
|
.ADDR_B1_i(14'h0),
|
|
.ADDR_B2_i(14'h0),
|
|
.CLK_B1_i(Pop_Clk1),
|
|
.CLK_B2_i(Pop_Clk2),
|
|
.REN_B1_i(POP1),
|
|
.REN_B2_i(POP2),
|
|
.WEN_B1_i(1'b0),
|
|
.WEN_B2_i(1'b0),
|
|
.BE_B1_i(2'b11),
|
|
.BE_B2_i(2'b11),
|
|
|
|
.FLUSH1_i(Async_Flush1),
|
|
.FLUSH2_i(Async_Flush2)
|
|
);
|
|
|
|
endmodule
|
|
|
|
module BRAM2x18_SP (
|
|
RESET_ni,
|
|
|
|
WEN1_i,
|
|
REN1_i,
|
|
WR1_CLK_i,
|
|
RD1_CLK_i,
|
|
WR1_BE_i,
|
|
WR1_ADDR_i,
|
|
RD1_ADDR_i,
|
|
WDATA1_i,
|
|
RDATA1_o,
|
|
|
|
WEN2_i,
|
|
REN2_i,
|
|
WR2_CLK_i,
|
|
RD2_CLK_i,
|
|
WR2_BE_i,
|
|
WR2_ADDR_i,
|
|
RD2_ADDR_i,
|
|
WDATA2_i,
|
|
RDATA2_o
|
|
);
|
|
|
|
parameter WR1_ADDR_WIDTH = 10;
|
|
parameter RD1_ADDR_WIDTH = 10;
|
|
parameter WR1_DATA_WIDTH = 18;
|
|
parameter RD1_DATA_WIDTH = 18;
|
|
parameter BE1_WIDTH = 2;
|
|
|
|
parameter WR2_ADDR_WIDTH = 10;
|
|
parameter RD2_ADDR_WIDTH = 10;
|
|
parameter WR2_DATA_WIDTH = 18;
|
|
parameter RD2_DATA_WIDTH = 18;
|
|
parameter BE2_WIDTH = 2;
|
|
|
|
input wire RESET_ni;
|
|
|
|
input wire WEN1_i;
|
|
input wire REN1_i;
|
|
input wire WR1_CLK_i;
|
|
input wire RD1_CLK_i;
|
|
input wire [BE1_WIDTH-1:0] WR1_BE_i;
|
|
input wire [WR1_ADDR_WIDTH-1 :0] WR1_ADDR_i;
|
|
input wire [RD1_ADDR_WIDTH-1 :0] RD1_ADDR_i;
|
|
input wire [WR1_DATA_WIDTH-1 :0] WDATA1_i;
|
|
output wire [RD1_DATA_WIDTH-1 :0] RDATA1_o;
|
|
|
|
input wire WEN2_i;
|
|
input wire REN2_i;
|
|
input wire WR2_CLK_i;
|
|
input wire RD2_CLK_i;
|
|
input wire [BE2_WIDTH-1:0] WR2_BE_i;
|
|
input wire [WR2_ADDR_WIDTH-1 :0] WR2_ADDR_i;
|
|
input wire [RD2_ADDR_WIDTH-1 :0] RD2_ADDR_i;
|
|
input wire [WR2_DATA_WIDTH-1 :0] WDATA2_i;
|
|
output wire [RD2_DATA_WIDTH-1 :0] RDATA2_o;
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd0;
|
|
localparam [ 0:0] FMODE1_i = 1'd0;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = 12'd10;
|
|
localparam [11:0] UPAF1_i = 12'd10;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd0;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = 11'd10;
|
|
localparam [10:0] UPAF2_i = 11'd10;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
default: rwmode = 18;
|
|
endcase
|
|
endfunction
|
|
|
|
wire REN_A1_i;
|
|
wire REN_A2_i;
|
|
|
|
wire REN_B1_i;
|
|
wire REN_B2_i;
|
|
|
|
wire WEN_A1_i;
|
|
wire WEN_A2_i;
|
|
|
|
wire WEN_B1_i;
|
|
wire WEN_B2_i;
|
|
|
|
wire [1:0] BE_A1_i;
|
|
wire [1:0] BE_A2_i;
|
|
|
|
wire [1:0] BE_B1_i;
|
|
wire [1:0] BE_B2_i;
|
|
|
|
wire [14:0] ADDR_A1_i;
|
|
wire [13:0] ADDR_A2_i;
|
|
|
|
wire [14:0] ADDR_B1_i;
|
|
wire [13:0] ADDR_B2_i;
|
|
|
|
wire [17:0] WDATA_A1_i;
|
|
wire [17:0] WDATA_A2_i;
|
|
|
|
wire [17:0] WDATA_B1_i;
|
|
wire [17:0] WDATA_B2_i;
|
|
|
|
wire [17:0] RDATA_A1_o;
|
|
wire [17:0] RDATA_A2_o;
|
|
|
|
wire [17:0] RDATA_B1_o;
|
|
wire [17:0] RDATA_B2_o;
|
|
|
|
wire [1:0] WR1_BE;
|
|
wire [1:0] WR2_BE;
|
|
|
|
wire [17:0] PORT_B1_RDATA;
|
|
wire [17:0] PORT_A1_WDATA;
|
|
|
|
wire [17:0] PORT_B2_RDATA;
|
|
wire [17:0] PORT_A2_WDATA;
|
|
|
|
wire [13:0] WR1_ADDR_INT;
|
|
wire [13:0] RD1_ADDR_INT;
|
|
|
|
wire [13:0] WR2_ADDR_INT;
|
|
wire [13:0] RD2_ADDR_INT;
|
|
|
|
wire [13:0] PORT_A1_ADDR;
|
|
wire [13:0] PORT_B1_ADDR;
|
|
|
|
wire [13:0] PORT_A2_ADDR;
|
|
wire [13:0] PORT_B2_ADDR;
|
|
|
|
|
|
// Set port width mode (In non-split mode A2/B2 is not active. Set same values anyway to match previous behavior.)
|
|
localparam [ 2:0] RMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
|
|
localparam PORT_A1_WRWIDTH = rwmode(WR1_DATA_WIDTH);
|
|
localparam PORT_B1_WRWIDTH = rwmode(RD1_DATA_WIDTH);
|
|
localparam PORT_A2_WRWIDTH = rwmode(WR2_DATA_WIDTH);
|
|
localparam PORT_B2_WRWIDTH = rwmode(RD2_DATA_WIDTH);
|
|
|
|
generate
|
|
if (WR1_ADDR_WIDTH == 14) begin
|
|
assign WR1_ADDR_INT = WR1_ADDR_i;
|
|
end else begin
|
|
assign WR1_ADDR_INT[13:WR1_ADDR_WIDTH] = 0;
|
|
assign WR1_ADDR_INT[WR1_ADDR_WIDTH-1:0] = WR1_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (WR1_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_A1_ADDR = WR1_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (RD1_ADDR_WIDTH == 14) begin
|
|
assign RD1_ADDR_INT = RD1_ADDR_i;
|
|
end else begin
|
|
assign RD1_ADDR_INT[13:RD1_ADDR_WIDTH] = 0;
|
|
assign RD1_ADDR_INT[RD1_ADDR_WIDTH-1:0] = RD1_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (RD1_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_B1_ADDR = RD1_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (WR2_ADDR_WIDTH == 14) begin
|
|
assign WR2_ADDR_INT = WR2_ADDR_i;
|
|
end else begin
|
|
assign WR2_ADDR_INT[13:WR2_ADDR_WIDTH] = 0;
|
|
assign WR2_ADDR_INT[WR2_ADDR_WIDTH-1:0] = WR2_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (WR2_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_A2_ADDR = WR2_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (RD2_ADDR_WIDTH == 14) begin
|
|
assign RD2_ADDR_INT = RD2_ADDR_i;
|
|
end else begin
|
|
assign RD2_ADDR_INT[13:RD2_ADDR_WIDTH] = 0;
|
|
assign RD2_ADDR_INT[RD2_ADDR_WIDTH-1:0] = RD2_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (RD2_DATA_WIDTH)
|
|
1: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_B2_ADDR = RD2_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
case (BE1_WIDTH)
|
|
2: begin
|
|
assign WR1_BE = WR1_BE_i[BE1_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign WR1_BE[1:BE1_WIDTH] = 0;
|
|
assign WR1_BE[BE1_WIDTH-1 :0] = WR1_BE_i[BE1_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
case (BE2_WIDTH)
|
|
2: begin
|
|
assign WR2_BE = WR2_BE_i[BE2_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign WR2_BE[1:BE2_WIDTH] = 0;
|
|
assign WR2_BE[BE2_WIDTH-1 :0] = WR2_BE_i[BE2_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
assign REN_A1_i = 1'b0;
|
|
assign WEN_A1_i = WEN1_i;
|
|
assign BE_A1_i = WR1_BE;
|
|
assign REN_A2_i = 1'b0;
|
|
assign WEN_A2_i = WEN2_i;
|
|
assign BE_A2_i = WR2_BE;
|
|
|
|
assign REN_B1_i = REN1_i;
|
|
assign WEN_B1_i = 1'b0;
|
|
assign BE_B1_i = 4'h0;
|
|
assign REN_B2_i = REN2_i;
|
|
assign WEN_B2_i = 1'b0;
|
|
assign BE_B2_i = 4'h0;
|
|
|
|
generate
|
|
if (WR1_DATA_WIDTH == 18) begin
|
|
assign PORT_A1_WDATA[WR1_DATA_WIDTH-1:0] = WDATA1_i[WR1_DATA_WIDTH-1:0];
|
|
end else if (WR1_DATA_WIDTH == 9) begin
|
|
assign PORT_A1_WDATA = {1'b0, WDATA1_i[8], 8'h0, WDATA1_i[7:0]};
|
|
end else begin
|
|
assign PORT_A1_WDATA[17:WR1_DATA_WIDTH] = 0;
|
|
assign PORT_A1_WDATA[WR1_DATA_WIDTH-1:0] = WDATA1_i[WR1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A1_i = PORT_A1_WDATA[17:0];
|
|
assign WDATA_B1_i = 18'h0;
|
|
|
|
generate
|
|
if (RD1_DATA_WIDTH == 9) begin
|
|
assign PORT_B1_RDATA = { 9'h0, RDATA_B1_o[16], RDATA_B1_o[7:0]};
|
|
end else begin
|
|
assign PORT_B1_RDATA = RDATA_B1_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign RDATA1_o = PORT_B1_RDATA[RD1_DATA_WIDTH-1:0];
|
|
|
|
generate
|
|
if (WR2_DATA_WIDTH == 18) begin
|
|
assign PORT_A2_WDATA[WR2_DATA_WIDTH-1:0] = WDATA2_i[WR2_DATA_WIDTH-1:0];
|
|
end else if (WR2_DATA_WIDTH == 9) begin
|
|
assign PORT_A2_WDATA = {1'b0, WDATA2_i[8], 8'h0, WDATA2_i[7:0]};
|
|
end else begin
|
|
assign PORT_A2_WDATA[17:WR2_DATA_WIDTH] = 0;
|
|
assign PORT_A2_WDATA[WR2_DATA_WIDTH-1:0] = WDATA2_i[WR2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A2_i = PORT_A2_WDATA[17:0];
|
|
assign WDATA_B2_i = 18'h0;
|
|
|
|
generate
|
|
if (RD2_DATA_WIDTH == 9) begin
|
|
assign PORT_B2_RDATA = { 9'h0, RDATA_B2_o[16], RDATA_B2_o[7:0]};
|
|
end else begin
|
|
assign PORT_B2_RDATA = RDATA_B2_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign RDATA2_o = PORT_B2_RDATA[RD2_DATA_WIDTH-1:0];
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b1,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 0 *)
|
|
(* is_fifo = 0 *)
|
|
(* port_a_dwidth = PORT_A1_WRWIDTH *)
|
|
(* port_b_dwidth = PORT_B1_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
|
|
.CLK_A1_i(WR1_CLK_i),
|
|
.ADDR_A1_i({1'b0,PORT_A1_ADDR}),
|
|
.WEN_A1_i(WEN_A1_i),
|
|
.BE_A1_i(BE_A1_i),
|
|
.WDATA_A1_i(WDATA_A1_i),
|
|
.REN_A1_i(REN_A1_i),
|
|
.RDATA_A1_o(RDATA_A1_o),
|
|
|
|
.CLK_A2_i(WR2_CLK_i),
|
|
.ADDR_A2_i(PORT_A2_ADDR),
|
|
.WEN_A2_i(WEN_A2_i),
|
|
.BE_A2_i(BE_A2_i),
|
|
.WDATA_A2_i(WDATA_A2_i),
|
|
.REN_A2_i(REN_A2_i),
|
|
.RDATA_A2_o(RDATA_A2_o),
|
|
|
|
.CLK_B1_i(RD1_CLK_i),
|
|
.ADDR_B1_i({1'b0,PORT_B1_ADDR}),
|
|
.WEN_B1_i(WEN_B1_i),
|
|
.BE_B1_i(BE_B1_i),
|
|
.WDATA_B1_i(WDATA_B1_i),
|
|
.REN_B1_i(REN_B1_i),
|
|
.RDATA_B1_o(RDATA_B1_o),
|
|
|
|
.CLK_B2_i(RD2_CLK_i),
|
|
.ADDR_B2_i(PORT_B2_ADDR),
|
|
.WEN_B2_i(WEN_B2_i),
|
|
.BE_B2_i(BE_B2_i),
|
|
.WDATA_B2_i(WDATA_B2_i),
|
|
.REN_B2_i(REN_B2_i),
|
|
.RDATA_B2_o(RDATA_B2_o),
|
|
|
|
.FLUSH1_i(1'b0),
|
|
.FLUSH2_i(1'b0)
|
|
);
|
|
|
|
endmodule
|
|
|
|
module BRAM2x18_dP (
|
|
PORT_A1_CLK_i,
|
|
PORT_A1_WEN_i,
|
|
PORT_A1_WR_BE_i,
|
|
PORT_A1_REN_i,
|
|
PORT_A1_ADDR_i,
|
|
PORT_A1_WR_DATA_i,
|
|
PORT_A1_RD_DATA_o,
|
|
|
|
PORT_B1_CLK_i,
|
|
PORT_B1_WEN_i,
|
|
PORT_B1_WR_BE_i,
|
|
PORT_B1_REN_i,
|
|
PORT_B1_ADDR_i,
|
|
PORT_B1_WR_DATA_i,
|
|
PORT_B1_RD_DATA_o,
|
|
|
|
PORT_A2_CLK_i,
|
|
PORT_A2_WEN_i,
|
|
PORT_A2_WR_BE_i,
|
|
PORT_A2_REN_i,
|
|
PORT_A2_ADDR_i,
|
|
PORT_A2_WR_DATA_i,
|
|
PORT_A2_RD_DATA_o,
|
|
|
|
PORT_B2_CLK_i,
|
|
PORT_B2_WEN_i,
|
|
PORT_B2_WR_BE_i,
|
|
PORT_B2_REN_i,
|
|
PORT_B2_ADDR_i,
|
|
PORT_B2_WR_DATA_i,
|
|
PORT_B2_RD_DATA_o
|
|
);
|
|
|
|
parameter PORT_A1_AWIDTH = 10;
|
|
parameter PORT_A1_DWIDTH = 18;
|
|
parameter PORT_A1_WR_BE_WIDTH = 2;
|
|
|
|
parameter PORT_B1_AWIDTH = 10;
|
|
parameter PORT_B1_DWIDTH = 18;
|
|
parameter PORT_B1_WR_BE_WIDTH = 2;
|
|
|
|
parameter PORT_A2_AWIDTH = 10;
|
|
parameter PORT_A2_DWIDTH = 18;
|
|
parameter PORT_A2_WR_BE_WIDTH = 2;
|
|
|
|
parameter PORT_B2_AWIDTH = 10;
|
|
parameter PORT_B2_DWIDTH = 18;
|
|
parameter PORT_B2_WR_BE_WIDTH = 2;
|
|
|
|
input PORT_A1_CLK_i;
|
|
input [PORT_A1_AWIDTH-1:0] PORT_A1_ADDR_i;
|
|
input [PORT_A1_DWIDTH-1:0] PORT_A1_WR_DATA_i;
|
|
input PORT_A1_WEN_i;
|
|
input [PORT_A1_WR_BE_WIDTH-1:0] PORT_A1_WR_BE_i;
|
|
input PORT_A1_REN_i;
|
|
output [PORT_A1_DWIDTH-1:0] PORT_A1_RD_DATA_o;
|
|
|
|
input PORT_B1_CLK_i;
|
|
input [PORT_B1_AWIDTH-1:0] PORT_B1_ADDR_i;
|
|
input [PORT_B1_DWIDTH-1:0] PORT_B1_WR_DATA_i;
|
|
input PORT_B1_WEN_i;
|
|
input [PORT_B1_WR_BE_WIDTH-1:0] PORT_B1_WR_BE_i;
|
|
input PORT_B1_REN_i;
|
|
output [PORT_B1_DWIDTH-1:0] PORT_B1_RD_DATA_o;
|
|
|
|
input PORT_A2_CLK_i;
|
|
input [PORT_A2_AWIDTH-1:0] PORT_A2_ADDR_i;
|
|
input [PORT_A2_DWIDTH-1:0] PORT_A2_WR_DATA_i;
|
|
input PORT_A2_WEN_i;
|
|
input [PORT_A2_WR_BE_WIDTH-1:0] PORT_A2_WR_BE_i;
|
|
input PORT_A2_REN_i;
|
|
output [PORT_A2_DWIDTH-1:0] PORT_A2_RD_DATA_o;
|
|
|
|
input PORT_B2_CLK_i;
|
|
input [PORT_B2_AWIDTH-1:0] PORT_B2_ADDR_i;
|
|
input [PORT_B2_DWIDTH-1:0] PORT_B2_WR_DATA_i;
|
|
input PORT_B2_WEN_i;
|
|
input [PORT_B2_WR_BE_WIDTH-1:0] PORT_B2_WR_BE_i;
|
|
input PORT_B2_REN_i;
|
|
output [PORT_B2_DWIDTH-1:0] PORT_B2_RD_DATA_o;
|
|
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd0;
|
|
localparam [ 0:0] FMODE1_i = 1'd0;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = 12'd10;
|
|
localparam [11:0] UPAF1_i = 12'd10;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd0;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = 11'd10;
|
|
localparam [10:0] UPAF2_i = 11'd10;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
default: rwmode = 18;
|
|
endcase
|
|
endfunction
|
|
|
|
wire REN_A1_i;
|
|
wire REN_A2_i;
|
|
|
|
wire REN_B1_i;
|
|
wire REN_B2_i;
|
|
|
|
wire WEN_A1_i;
|
|
wire WEN_A2_i;
|
|
|
|
wire WEN_B1_i;
|
|
wire WEN_B2_i;
|
|
|
|
wire [1:0] BE_A1_i;
|
|
wire [1:0] BE_A2_i;
|
|
|
|
wire [1:0] BE_B1_i;
|
|
wire [1:0] BE_B2_i;
|
|
|
|
wire [14:0] ADDR_A1_i;
|
|
wire [13:0] ADDR_A2_i;
|
|
|
|
wire [14:0] ADDR_B1_i;
|
|
wire [13:0] ADDR_B2_i;
|
|
|
|
wire [17:0] WDATA_A1_i;
|
|
wire [17:0] WDATA_A2_i;
|
|
|
|
wire [17:0] WDATA_B1_i;
|
|
wire [17:0] WDATA_B2_i;
|
|
|
|
wire [17:0] RDATA_A1_o;
|
|
wire [17:0] RDATA_A2_o;
|
|
|
|
wire [17:0] RDATA_B1_o;
|
|
wire [17:0] RDATA_B2_o;
|
|
|
|
wire [1:0] PORT_A1_WR_BE;
|
|
wire [1:0] PORT_B1_WR_BE;
|
|
|
|
wire [1:0] PORT_A2_WR_BE;
|
|
wire [1:0] PORT_B2_WR_BE;
|
|
|
|
wire [17:0] PORT_B1_WDATA;
|
|
wire [17:0] PORT_B1_RDATA;
|
|
wire [17:0] PORT_A1_WDATA;
|
|
wire [17:0] PORT_A1_RDATA;
|
|
|
|
wire [17:0] PORT_B2_WDATA;
|
|
wire [17:0] PORT_B2_RDATA;
|
|
wire [17:0] PORT_A2_WDATA;
|
|
wire [17:0] PORT_A2_RDATA;
|
|
|
|
wire [13:0] PORT_A1_ADDR_INT;
|
|
wire [13:0] PORT_B1_ADDR_INT;
|
|
|
|
wire [13:0] PORT_A2_ADDR_INT;
|
|
wire [13:0] PORT_B2_ADDR_INT;
|
|
|
|
wire [13:0] PORT_A1_ADDR;
|
|
wire [13:0] PORT_B1_ADDR;
|
|
|
|
wire [13:0] PORT_A2_ADDR;
|
|
wire [13:0] PORT_B2_ADDR;
|
|
|
|
wire PORT_A1_CLK;
|
|
wire PORT_B1_CLK;
|
|
|
|
wire PORT_A2_CLK;
|
|
wire PORT_B2_CLK;
|
|
|
|
// Set port width mode (In non-split mode A2/B2 is not active. Set same values anyway to match previous behavior.)
|
|
localparam [ 2:0] RMODE_A1_i = mode(PORT_A1_DWIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(PORT_A1_DWIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(PORT_A2_DWIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(PORT_A2_DWIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(PORT_B1_DWIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(PORT_B1_DWIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(PORT_B2_DWIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(PORT_B2_DWIDTH);
|
|
|
|
localparam PORT_A1_WRWIDTH = rwmode(PORT_A1_DWIDTH);
|
|
localparam PORT_B1_WRWIDTH = rwmode(PORT_B1_DWIDTH);
|
|
localparam PORT_A2_WRWIDTH = rwmode(PORT_A2_DWIDTH);
|
|
localparam PORT_B2_WRWIDTH = rwmode(PORT_B2_DWIDTH);
|
|
|
|
assign PORT_A1_CLK = PORT_A1_CLK_i;
|
|
assign PORT_B1_CLK = PORT_B1_CLK_i;
|
|
|
|
assign PORT_A2_CLK = PORT_A2_CLK_i;
|
|
assign PORT_B2_CLK = PORT_B2_CLK_i;
|
|
|
|
generate
|
|
if (PORT_A1_AWIDTH == 14) begin
|
|
assign PORT_A1_ADDR_INT = PORT_A1_ADDR_i;
|
|
end else begin
|
|
assign PORT_A1_ADDR_INT[13:PORT_A1_AWIDTH] = 0;
|
|
assign PORT_A1_ADDR_INT[PORT_A1_AWIDTH-1:0] = PORT_A1_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_A1_DWIDTH)
|
|
1: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_A1_ADDR = PORT_A1_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (PORT_B1_AWIDTH == 14) begin
|
|
assign PORT_B1_ADDR_INT = PORT_B1_ADDR_i;
|
|
end else begin
|
|
assign PORT_B1_ADDR_INT[13:PORT_B1_AWIDTH] = 0;
|
|
assign PORT_B1_ADDR_INT[PORT_B1_AWIDTH-1:0] = PORT_B1_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_B1_DWIDTH)
|
|
1: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_B1_ADDR = PORT_B1_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (PORT_A2_AWIDTH == 14) begin
|
|
assign PORT_A2_ADDR_INT = PORT_A2_ADDR_i;
|
|
end else begin
|
|
assign PORT_A2_ADDR_INT[13:PORT_A2_AWIDTH] = 0;
|
|
assign PORT_A2_ADDR_INT[PORT_A2_AWIDTH-1:0] = PORT_A2_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_A2_DWIDTH)
|
|
1: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_A2_ADDR = PORT_A2_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
generate
|
|
if (PORT_B2_AWIDTH == 14) begin
|
|
assign PORT_B2_ADDR_INT = PORT_B2_ADDR_i;
|
|
end else begin
|
|
assign PORT_B2_ADDR_INT[13:PORT_B2_AWIDTH] = 0;
|
|
assign PORT_B2_ADDR_INT[PORT_B2_AWIDTH-1:0] = PORT_B2_ADDR_i;
|
|
end
|
|
endgenerate
|
|
|
|
case (PORT_B2_DWIDTH)
|
|
1: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT;
|
|
end
|
|
2: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT << 1;
|
|
end
|
|
4: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT << 2;
|
|
end
|
|
8, 9: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT << 3;
|
|
end
|
|
16, 18: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT << 4;
|
|
end
|
|
default: begin
|
|
assign PORT_B2_ADDR = PORT_B2_ADDR_INT;
|
|
end
|
|
endcase
|
|
|
|
case (PORT_A1_WR_BE_WIDTH)
|
|
2: begin
|
|
assign PORT_A1_WR_BE = PORT_A1_WR_BE_i[PORT_A1_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_A1_WR_BE[1:PORT_A1_WR_BE_WIDTH] = 0;
|
|
assign PORT_A1_WR_BE[PORT_A1_WR_BE_WIDTH-1 :0] = PORT_A1_WR_BE_i[PORT_A1_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
case (PORT_B1_WR_BE_WIDTH)
|
|
2: begin
|
|
assign PORT_B1_WR_BE = PORT_B1_WR_BE_i[PORT_B1_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_B1_WR_BE[1:PORT_B1_WR_BE_WIDTH] = 0;
|
|
assign PORT_B1_WR_BE[PORT_B1_WR_BE_WIDTH-1 :0] = PORT_B1_WR_BE_i[PORT_B1_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
case (PORT_A2_WR_BE_WIDTH)
|
|
2: begin
|
|
assign PORT_A2_WR_BE = PORT_A2_WR_BE_i[PORT_A2_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_A2_WR_BE[1:PORT_A2_WR_BE_WIDTH] = 0;
|
|
assign PORT_A2_WR_BE[PORT_A2_WR_BE_WIDTH-1 :0] = PORT_A2_WR_BE_i[PORT_A2_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
case (PORT_B2_WR_BE_WIDTH)
|
|
2: begin
|
|
assign PORT_B2_WR_BE = PORT_B2_WR_BE_i[PORT_B2_WR_BE_WIDTH-1 :0];
|
|
end
|
|
default: begin
|
|
assign PORT_B2_WR_BE[1:PORT_B2_WR_BE_WIDTH] = 0;
|
|
assign PORT_B2_WR_BE[PORT_B2_WR_BE_WIDTH-1 :0] = PORT_B2_WR_BE_i[PORT_B2_WR_BE_WIDTH-1 :0];
|
|
end
|
|
endcase
|
|
|
|
assign REN_A1_i = PORT_A1_REN_i;
|
|
assign WEN_A1_i = PORT_A1_WEN_i;
|
|
assign BE_A1_i = PORT_A1_WR_BE;
|
|
|
|
assign REN_A2_i = PORT_A2_REN_i;
|
|
assign WEN_A2_i = PORT_A2_WEN_i;
|
|
assign BE_A2_i = PORT_A2_WR_BE;
|
|
|
|
assign REN_B1_i = PORT_B1_REN_i;
|
|
assign WEN_B1_i = PORT_B1_WEN_i;
|
|
assign BE_B1_i = PORT_B1_WR_BE;
|
|
|
|
assign REN_B2_i = PORT_B2_REN_i;
|
|
assign WEN_B2_i = PORT_B2_WEN_i;
|
|
assign BE_B2_i = PORT_B2_WR_BE;
|
|
|
|
generate
|
|
if (PORT_A1_DWIDTH == 18) begin
|
|
assign PORT_A1_WDATA[PORT_A1_DWIDTH-1:0] = PORT_A1_WR_DATA_i[PORT_A1_DWIDTH-1:0];
|
|
end else if (PORT_A1_DWIDTH == 9) begin
|
|
assign PORT_A1_WDATA = {1'b0, PORT_A1_WR_DATA_i[8], 8'h0, PORT_A1_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_A1_WDATA[17:PORT_A1_DWIDTH] = 0;
|
|
assign PORT_A1_WDATA[PORT_A1_DWIDTH-1:0] = PORT_A1_WR_DATA_i[PORT_A1_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A1_i = PORT_A1_WDATA;
|
|
|
|
generate
|
|
if (PORT_A2_DWIDTH == 18) begin
|
|
assign PORT_A2_WDATA[PORT_A2_DWIDTH-1:0] = PORT_A2_WR_DATA_i[PORT_A2_DWIDTH-1:0];
|
|
end else if (PORT_A2_DWIDTH == 9) begin
|
|
assign PORT_A2_WDATA = {1'b0, PORT_A2_WR_DATA_i[8], 8'h0, PORT_A2_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_A2_WDATA[17:PORT_A2_DWIDTH] = 0;
|
|
assign PORT_A2_WDATA[PORT_A2_DWIDTH-1:0] = PORT_A2_WR_DATA_i[PORT_A2_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_A2_i = PORT_A2_WDATA;
|
|
|
|
generate
|
|
if (PORT_A1_DWIDTH == 9) begin
|
|
assign PORT_A1_RDATA = { 9'h0, RDATA_A1_o[16], RDATA_A1_o[7:0]};
|
|
end else begin
|
|
assign PORT_A1_RDATA = RDATA_A1_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_A1_RD_DATA_o = PORT_A1_RDATA[PORT_A1_DWIDTH-1:0];
|
|
|
|
generate
|
|
if (PORT_A2_DWIDTH == 9) begin
|
|
assign PORT_A2_RDATA = { 9'h0, RDATA_A2_o[16], RDATA_A2_o[7:0]};
|
|
end else begin
|
|
assign PORT_A2_RDATA = RDATA_A2_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_A2_RD_DATA_o = PORT_A2_RDATA[PORT_A2_DWIDTH-1:0];
|
|
|
|
generate
|
|
if (PORT_B1_DWIDTH == 18) begin
|
|
assign PORT_B1_WDATA[PORT_B1_DWIDTH-1:0] = PORT_B1_WR_DATA_i[PORT_B1_DWIDTH-1:0];
|
|
end else if (PORT_B1_DWIDTH == 9) begin
|
|
assign PORT_B1_WDATA = {1'b0, PORT_B1_WR_DATA_i[8], 8'h0, PORT_B1_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_B1_WDATA[17:PORT_B1_DWIDTH] = 0;
|
|
assign PORT_B1_WDATA[PORT_B1_DWIDTH-1:0] = PORT_B1_WR_DATA_i[PORT_B1_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_B1_i = PORT_B1_WDATA;
|
|
|
|
generate
|
|
if (PORT_B2_DWIDTH == 18) begin
|
|
assign PORT_B2_WDATA[PORT_B2_DWIDTH-1:0] = PORT_B2_WR_DATA_i[PORT_B2_DWIDTH-1:0];
|
|
end else if (PORT_B2_DWIDTH == 9) begin
|
|
assign PORT_B2_WDATA = {1'b0, PORT_B2_WR_DATA_i[8], 8'h0, PORT_B2_WR_DATA_i[7:0]};
|
|
end else begin
|
|
assign PORT_B2_WDATA[17:PORT_B2_DWIDTH] = 0;
|
|
assign PORT_B2_WDATA[PORT_B2_DWIDTH-1:0] = PORT_B2_WR_DATA_i[PORT_B2_DWIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
assign WDATA_B2_i = PORT_B2_WDATA;
|
|
|
|
generate
|
|
if (PORT_B1_DWIDTH == 9) begin
|
|
assign PORT_B1_RDATA = { 9'h0, RDATA_B1_o[16], RDATA_B1_o[7:0]};
|
|
end else begin
|
|
assign PORT_B1_RDATA = RDATA_B1_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_B1_RD_DATA_o = PORT_B1_RDATA[PORT_B1_DWIDTH-1:0];
|
|
|
|
generate
|
|
if (PORT_B2_DWIDTH == 9) begin
|
|
assign PORT_B2_RDATA = { 9'h0, RDATA_B2_o[16], RDATA_B2_o[7:0]};
|
|
end else begin
|
|
assign PORT_B2_RDATA = RDATA_B2_o;
|
|
end
|
|
endgenerate
|
|
|
|
assign PORT_B2_RD_DATA_o = PORT_B2_RDATA[PORT_B2_DWIDTH-1:0];
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b1,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_inferred = 0 *)
|
|
(* is_split = 0 *)
|
|
(* is_fifo = 0 *)
|
|
(* port_a_dwidth = PORT_A1_WRWIDTH *)
|
|
(* port_b_dwidth = PORT_B1_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
|
|
.CLK_A1_i(PORT_A1_CLK),
|
|
.ADDR_A1_i({1'b0,PORT_A1_ADDR}),
|
|
.WEN_A1_i(WEN_A1_i),
|
|
.BE_A1_i(BE_A1_i),
|
|
.WDATA_A1_i(WDATA_A1_i),
|
|
.REN_A1_i(REN_A1_i),
|
|
.RDATA_A1_o(RDATA_A1_o),
|
|
|
|
.CLK_A2_i(PORT_A2_CLK),
|
|
.ADDR_A2_i(PORT_A2_ADDR),
|
|
.WEN_A2_i(WEN_A2_i),
|
|
.BE_A2_i(BE_A2_i),
|
|
.WDATA_A2_i(WDATA_A2_i),
|
|
.REN_A2_i(REN_A2_i),
|
|
.RDATA_A2_o(RDATA_A2_o),
|
|
|
|
.CLK_B1_i(PORT_B1_CLK),
|
|
.ADDR_B1_i({1'b0,PORT_B1_ADDR}),
|
|
.WEN_B1_i(WEN_B1_i),
|
|
.BE_B1_i(BE_B1_i),
|
|
.WDATA_B1_i(WDATA_B1_i),
|
|
.REN_B1_i(REN_B1_i),
|
|
.RDATA_B1_o(RDATA_B1_o),
|
|
|
|
.CLK_B2_i(PORT_B2_CLK),
|
|
.ADDR_B2_i(PORT_B2_ADDR),
|
|
.WEN_B2_i(WEN_B2_i),
|
|
.BE_B2_i(BE_B2_i),
|
|
.WDATA_B2_i(WDATA_B2_i),
|
|
.REN_B2_i(REN_B2_i),
|
|
.RDATA_B2_o(RDATA_B2_o),
|
|
|
|
.FLUSH1_i(1'b0),
|
|
.FLUSH2_i(1'b0)
|
|
);
|
|
|
|
endmodule
|
|
|
|
|
|
module BRAM2x18_SFIFO (
|
|
DIN1,
|
|
PUSH1,
|
|
POP1,
|
|
CLK1,
|
|
Async_Flush1,
|
|
Overrun_Error1,
|
|
Full_Watermark1,
|
|
Almost_Full1,
|
|
Full1,
|
|
Underrun_Error1,
|
|
Empty_Watermark1,
|
|
Almost_Empty1,
|
|
Empty1,
|
|
DOUT1,
|
|
|
|
DIN2,
|
|
PUSH2,
|
|
POP2,
|
|
CLK2,
|
|
Async_Flush2,
|
|
Overrun_Error2,
|
|
Full_Watermark2,
|
|
Almost_Full2,
|
|
Full2,
|
|
Underrun_Error2,
|
|
Empty_Watermark2,
|
|
Almost_Empty2,
|
|
Empty2,
|
|
DOUT2
|
|
);
|
|
|
|
parameter WR1_DATA_WIDTH = 18;
|
|
parameter RD1_DATA_WIDTH = 18;
|
|
|
|
parameter WR2_DATA_WIDTH = 18;
|
|
parameter RD2_DATA_WIDTH = 18;
|
|
|
|
parameter UPAE_DBITS1 = 12'd10;
|
|
parameter UPAF_DBITS1 = 12'd10;
|
|
|
|
parameter UPAE_DBITS2 = 11'd10;
|
|
parameter UPAF_DBITS2 = 11'd10;
|
|
|
|
input CLK1;
|
|
input PUSH1, POP1;
|
|
input [WR1_DATA_WIDTH-1:0] DIN1;
|
|
input Async_Flush1;
|
|
output [RD1_DATA_WIDTH-1:0] DOUT1;
|
|
output Almost_Full1, Almost_Empty1;
|
|
output Full1, Empty1;
|
|
output Full_Watermark1, Empty_Watermark1;
|
|
output Overrun_Error1, Underrun_Error1;
|
|
|
|
input CLK2;
|
|
input PUSH2, POP2;
|
|
input [WR2_DATA_WIDTH-1:0] DIN2;
|
|
input Async_Flush2;
|
|
output [RD2_DATA_WIDTH-1:0] DOUT2;
|
|
output Almost_Full2, Almost_Empty2;
|
|
output Full2, Empty2;
|
|
output Full_Watermark2, Empty_Watermark2;
|
|
output Overrun_Error2, Underrun_Error2;
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd1;
|
|
localparam [ 0:0] FMODE1_i = 1'd1;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = UPAE_DBITS1;
|
|
localparam [11:0] UPAF1_i = UPAF_DBITS1;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd1;
|
|
localparam [ 0:0] FMODE2_i = 1'd1;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = UPAE_DBITS2;
|
|
localparam [10:0] UPAF2_i = UPAF_DBITS2;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
default: rwmode = 18;
|
|
endcase
|
|
endfunction
|
|
|
|
wire [17:0] in_reg1;
|
|
wire [17:0] out_reg1;
|
|
wire [17:0] fifo1_flags;
|
|
|
|
wire [17:0] in_reg2;
|
|
wire [17:0] out_reg2;
|
|
wire [17:0] fifo2_flags;
|
|
|
|
wire Push_Clk1, Pop_Clk1;
|
|
wire Push_Clk2, Pop_Clk2;
|
|
assign Push_Clk1 = CLK1;
|
|
assign Pop_Clk1 = CLK1;
|
|
assign Push_Clk2 = CLK2;
|
|
assign Pop_Clk2 = CLK2;
|
|
|
|
assign Overrun_Error1 = fifo1_flags[0];
|
|
assign Full_Watermark1 = fifo1_flags[1];
|
|
assign Almost_Full1 = fifo1_flags[2];
|
|
assign Full1 = fifo1_flags[3];
|
|
assign Underrun_Error1 = fifo1_flags[4];
|
|
assign Empty_Watermark1 = fifo1_flags[5];
|
|
assign Almost_Empty1 = fifo1_flags[6];
|
|
assign Empty1 = fifo1_flags[7];
|
|
|
|
assign Overrun_Error2 = fifo2_flags[0];
|
|
assign Full_Watermark2 = fifo2_flags[1];
|
|
assign Almost_Full2 = fifo2_flags[2];
|
|
assign Full2 = fifo2_flags[3];
|
|
assign Underrun_Error2 = fifo2_flags[4];
|
|
assign Empty_Watermark2 = fifo2_flags[5];
|
|
assign Almost_Empty2 = fifo2_flags[6];
|
|
assign Empty2 = fifo2_flags[7];
|
|
|
|
localparam [ 2:0] RMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
|
|
localparam PORT_A1_WRWIDTH = rwmode(WR1_DATA_WIDTH);
|
|
localparam PORT_B1_WRWIDTH = rwmode(RD1_DATA_WIDTH);
|
|
localparam PORT_A2_WRWIDTH = rwmode(WR2_DATA_WIDTH);
|
|
localparam PORT_B2_WRWIDTH = rwmode(RD2_DATA_WIDTH);
|
|
|
|
generate
|
|
if (WR1_DATA_WIDTH == 18) begin
|
|
assign in_reg1[17:0] = DIN1[17:0];
|
|
end else if (WR1_DATA_WIDTH == 9) begin
|
|
assign in_reg1[17:0] = {1'b0, DIN1[8], 8'h0, DIN1[7:0]};
|
|
end else begin
|
|
assign in_reg1[17:WR1_DATA_WIDTH] = 0;
|
|
assign in_reg1[WR1_DATA_WIDTH-1:0] = DIN1[WR1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD1_DATA_WIDTH == 9) begin
|
|
assign DOUT1[RD1_DATA_WIDTH-1:0] = {out_reg1[16], out_reg1[7:0]};
|
|
end else begin
|
|
assign DOUT1[RD1_DATA_WIDTH-1:0] = out_reg1[RD1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (WR2_DATA_WIDTH == 18) begin
|
|
assign in_reg2[17:0] = DIN2[17:0];
|
|
end else if (WR2_DATA_WIDTH == 9) begin
|
|
assign in_reg2[17:0] = {1'b0, DIN2[8], 8'h0, DIN2[7:0]};
|
|
end else begin
|
|
assign in_reg2[17:WR2_DATA_WIDTH] = 0;
|
|
assign in_reg2[WR2_DATA_WIDTH-1:0] = DIN2[WR2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD2_DATA_WIDTH == 9) begin
|
|
assign DOUT2[RD2_DATA_WIDTH-1:0] = {out_reg2[16], out_reg2[7:0]};
|
|
end else begin
|
|
assign DOUT2[RD2_DATA_WIDTH-1:0] = out_reg2[RD2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b1,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_fifo = 1 *)
|
|
(* sync_fifo = 1 *)
|
|
(* is_split = 0 *)
|
|
(* is_inferred = 0 *)
|
|
(* port_a_dwidth = PORT_A1_WRWIDTH *)
|
|
(* port_b_dwidth = PORT_B1_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
.WDATA_A1_i(in_reg1[17:0]),
|
|
.WDATA_A2_i(in_reg2[17:0]),
|
|
.RDATA_A1_o(fifo1_flags),
|
|
.RDATA_A2_o(fifo2_flags),
|
|
.ADDR_A1_i(14'h0),
|
|
.ADDR_A2_i(14'h0),
|
|
.CLK_A1_i(Push_Clk1),
|
|
.CLK_A2_i(Push_Clk2),
|
|
.REN_A1_i(1'b1),
|
|
.REN_A2_i(1'b1),
|
|
.WEN_A1_i(PUSH1),
|
|
.WEN_A2_i(PUSH2),
|
|
.BE_A1_i(2'b11),
|
|
.BE_A2_i(2'b11),
|
|
|
|
.WDATA_B1_i(18'h0),
|
|
.WDATA_B2_i(18'h0),
|
|
.RDATA_B1_o(out_reg1[17:0]),
|
|
.RDATA_B2_o(out_reg2[17:0]),
|
|
.ADDR_B1_i(14'h0),
|
|
.ADDR_B2_i(14'h0),
|
|
.CLK_B1_i(Pop_Clk1),
|
|
.CLK_B2_i(Pop_Clk2),
|
|
.REN_B1_i(POP1),
|
|
.REN_B2_i(POP2),
|
|
.WEN_B1_i(1'b0),
|
|
.WEN_B2_i(1'b0),
|
|
.BE_B1_i(2'b11),
|
|
.BE_B2_i(2'b11),
|
|
|
|
.FLUSH1_i(Async_Flush1),
|
|
.FLUSH2_i(Async_Flush2)
|
|
);
|
|
|
|
endmodule
|
|
|
|
|
|
module BRAM2x18_AFIFO (
|
|
DIN1,
|
|
PUSH1,
|
|
POP1,
|
|
Push_Clk1,
|
|
Pop_Clk1,
|
|
Async_Flush1,
|
|
Overrun_Error1,
|
|
Full_Watermark1,
|
|
Almost_Full1,
|
|
Full1,
|
|
Underrun_Error1,
|
|
Empty_Watermark1,
|
|
Almost_Empty1,
|
|
Empty1,
|
|
DOUT1,
|
|
|
|
DIN2,
|
|
PUSH2,
|
|
POP2,
|
|
Push_Clk2,
|
|
Pop_Clk2,
|
|
Async_Flush2,
|
|
Overrun_Error2,
|
|
Full_Watermark2,
|
|
Almost_Full2,
|
|
Full2,
|
|
Underrun_Error2,
|
|
Empty_Watermark2,
|
|
Almost_Empty2,
|
|
Empty2,
|
|
DOUT2
|
|
);
|
|
|
|
parameter WR1_DATA_WIDTH = 18;
|
|
parameter RD1_DATA_WIDTH = 18;
|
|
|
|
parameter WR2_DATA_WIDTH = 18;
|
|
parameter RD2_DATA_WIDTH = 18;
|
|
|
|
parameter UPAE_DBITS1 = 12'd10;
|
|
parameter UPAF_DBITS1 = 12'd10;
|
|
|
|
parameter UPAE_DBITS2 = 11'd10;
|
|
parameter UPAF_DBITS2 = 11'd10;
|
|
|
|
input Push_Clk1, Pop_Clk1;
|
|
input PUSH1, POP1;
|
|
input [WR1_DATA_WIDTH-1:0] DIN1;
|
|
input Async_Flush1;
|
|
output [RD1_DATA_WIDTH-1:0] DOUT1;
|
|
output Almost_Full1, Almost_Empty1;
|
|
output Full1, Empty1;
|
|
output Full_Watermark1, Empty_Watermark1;
|
|
output Overrun_Error1, Underrun_Error1;
|
|
|
|
input Push_Clk2, Pop_Clk2;
|
|
input PUSH2, POP2;
|
|
input [WR2_DATA_WIDTH-1:0] DIN2;
|
|
input Async_Flush2;
|
|
output [RD2_DATA_WIDTH-1:0] DOUT2;
|
|
output Almost_Full2, Almost_Empty2;
|
|
output Full2, Empty2;
|
|
output Full_Watermark2, Empty_Watermark2;
|
|
output Overrun_Error2, Underrun_Error2;
|
|
|
|
// Fixed mode settings
|
|
localparam [ 0:0] SYNC_FIFO1_i = 1'd0;
|
|
localparam [ 0:0] FMODE1_i = 1'd1;
|
|
localparam [ 0:0] POWERDN1_i = 1'd0;
|
|
localparam [ 0:0] SLEEP1_i = 1'd0;
|
|
localparam [ 0:0] PROTECT1_i = 1'd0;
|
|
localparam [11:0] UPAE1_i = UPAE_DBITS1;
|
|
localparam [11:0] UPAF1_i = UPAF_DBITS1;
|
|
|
|
localparam [ 0:0] SYNC_FIFO2_i = 1'd0;
|
|
localparam [ 0:0] FMODE2_i = 1'd1;
|
|
localparam [ 0:0] POWERDN2_i = 1'd0;
|
|
localparam [ 0:0] SLEEP2_i = 1'd0;
|
|
localparam [ 0:0] PROTECT2_i = 1'd0;
|
|
localparam [10:0] UPAE2_i = UPAE_DBITS2;
|
|
localparam [10:0] UPAF2_i = UPAF_DBITS2;
|
|
|
|
// Width mode function
|
|
function [2:0] mode;
|
|
input integer width;
|
|
case (width)
|
|
1: mode = 3'b101;
|
|
2: mode = 3'b110;
|
|
4: mode = 3'b100;
|
|
8,9: mode = 3'b001;
|
|
16, 18: mode = 3'b010;
|
|
32, 36: mode = 3'b011;
|
|
default: mode = 3'b000;
|
|
endcase
|
|
endfunction
|
|
|
|
function integer rwmode;
|
|
input integer rwwidth;
|
|
case (rwwidth)
|
|
1: rwmode = 1;
|
|
2: rwmode = 2;
|
|
4: rwmode = 4;
|
|
8,9: rwmode = 9;
|
|
16, 18: rwmode = 18;
|
|
default: rwmode = 18;
|
|
endcase
|
|
endfunction
|
|
|
|
wire [17:0] in_reg1;
|
|
wire [17:0] out_reg1;
|
|
wire [17:0] fifo1_flags;
|
|
|
|
wire [17:0] in_reg2;
|
|
wire [17:0] out_reg2;
|
|
wire [17:0] fifo2_flags;
|
|
|
|
wire Push_Clk1, Pop_Clk1;
|
|
wire Push_Clk2, Pop_Clk2;
|
|
|
|
assign Overrun_Error1 = fifo1_flags[0];
|
|
assign Full_Watermark1 = fifo1_flags[1];
|
|
assign Almost_Full1 = fifo1_flags[2];
|
|
assign Full1 = fifo1_flags[3];
|
|
assign Underrun_Error1 = fifo1_flags[4];
|
|
assign Empty_Watermark1 = fifo1_flags[5];
|
|
assign Almost_Empty1 = fifo1_flags[6];
|
|
assign Empty1 = fifo1_flags[7];
|
|
|
|
assign Overrun_Error2 = fifo2_flags[0];
|
|
assign Full_Watermark2 = fifo2_flags[1];
|
|
assign Almost_Full2 = fifo2_flags[2];
|
|
assign Full2 = fifo2_flags[3];
|
|
assign Underrun_Error2 = fifo2_flags[4];
|
|
assign Empty_Watermark2 = fifo2_flags[5];
|
|
assign Almost_Empty2 = fifo2_flags[6];
|
|
assign Empty2 = fifo2_flags[7];
|
|
|
|
localparam [ 2:0] RMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A1_i = mode(WR1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_A2_i = mode(WR2_DATA_WIDTH);
|
|
|
|
localparam [ 2:0] RMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B1_i = mode(RD1_DATA_WIDTH);
|
|
localparam [ 2:0] RMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
localparam [ 2:0] WMODE_B2_i = mode(RD2_DATA_WIDTH);
|
|
|
|
localparam PORT_A1_WRWIDTH = rwmode(WR1_DATA_WIDTH);
|
|
localparam PORT_B1_WRWIDTH = rwmode(RD1_DATA_WIDTH);
|
|
localparam PORT_A2_WRWIDTH = rwmode(WR2_DATA_WIDTH);
|
|
localparam PORT_B2_WRWIDTH = rwmode(RD2_DATA_WIDTH);
|
|
|
|
generate
|
|
if (WR1_DATA_WIDTH == 18) begin
|
|
assign in_reg1[17:0] = DIN1[17:0];
|
|
end else if (WR1_DATA_WIDTH == 9) begin
|
|
assign in_reg1[17:0] = {1'b0, DIN1[8], 8'h0, DIN1[7:0]};
|
|
end else begin
|
|
assign in_reg1[17:WR1_DATA_WIDTH] = 0;
|
|
assign in_reg1[WR1_DATA_WIDTH-1:0] = DIN1[WR1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD1_DATA_WIDTH == 9) begin
|
|
assign DOUT1[RD1_DATA_WIDTH-1:0] = {out_reg1[16], out_reg1[7:0]};
|
|
end else begin
|
|
assign DOUT1[RD1_DATA_WIDTH-1:0] = out_reg1[RD1_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (WR2_DATA_WIDTH == 18) begin
|
|
assign in_reg2[17:0] = DIN2[17:0];
|
|
end else if (WR2_DATA_WIDTH == 9) begin
|
|
assign in_reg2[17:0] = {1'b0, DIN2[8], 8'h0, DIN2[7:0]};
|
|
end else begin
|
|
assign in_reg2[17:WR2_DATA_WIDTH] = 0;
|
|
assign in_reg2[WR2_DATA_WIDTH-1:0] = DIN2[WR2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
generate
|
|
if (RD2_DATA_WIDTH == 9) begin
|
|
assign DOUT2[RD2_DATA_WIDTH-1:0] = {out_reg2[16], out_reg2[7:0]};
|
|
end else begin
|
|
assign DOUT2[RD2_DATA_WIDTH-1:0] = out_reg2[RD2_DATA_WIDTH-1:0];
|
|
end
|
|
endgenerate
|
|
|
|
defparam _TECHMAP_REPLACE_.MODE_BITS = { 1'b1,
|
|
UPAF2_i, UPAE2_i, PROTECT2_i, SLEEP2_i, POWERDN2_i, FMODE2_i, WMODE_B2_i, WMODE_A2_i, RMODE_B2_i, RMODE_A2_i, SYNC_FIFO2_i,
|
|
UPAF1_i, UPAE1_i, PROTECT1_i, SLEEP1_i, POWERDN1_i, FMODE1_i, WMODE_B1_i, WMODE_A1_i, RMODE_B1_i, RMODE_A1_i, SYNC_FIFO1_i
|
|
};
|
|
|
|
(* is_fifo = 1 *)
|
|
(* sync_fifo = 0 *)
|
|
(* is_split = 0 *)
|
|
(* is_inferred = 0 *)
|
|
(* port_a_dwidth = PORT_A1_WRWIDTH *)
|
|
(* port_b_dwidth = PORT_B1_WRWIDTH *)
|
|
TDP36K _TECHMAP_REPLACE_ (
|
|
.RESET_ni(1'b1),
|
|
.WDATA_A1_i(in_reg1[17:0]),
|
|
.WDATA_A2_i(in_reg2[17:0]),
|
|
.RDATA_A1_o(fifo1_flags),
|
|
.RDATA_A2_o(fifo2_flags),
|
|
.ADDR_A1_i(14'h0),
|
|
.ADDR_A2_i(14'h0),
|
|
.CLK_A1_i(Push_Clk1),
|
|
.CLK_A2_i(Push_Clk2),
|
|
.REN_A1_i(1'b1),
|
|
.REN_A2_i(1'b1),
|
|
.WEN_A1_i(PUSH1),
|
|
.WEN_A2_i(PUSH2),
|
|
.BE_A1_i(2'b11),
|
|
.BE_A2_i(2'b11),
|
|
|
|
.WDATA_B1_i(18'h0),
|
|
.WDATA_B2_i(18'h0),
|
|
.RDATA_B1_o(out_reg1[17:0]),
|
|
.RDATA_B2_o(out_reg2[17:0]),
|
|
.ADDR_B1_i(14'h0),
|
|
.ADDR_B2_i(14'h0),
|
|
.CLK_B1_i(Pop_Clk1),
|
|
.CLK_B2_i(Pop_Clk2),
|
|
.REN_B1_i(POP1),
|
|
.REN_B2_i(POP2),
|
|
.WEN_B1_i(1'b0),
|
|
.WEN_B2_i(1'b0),
|
|
.BE_B1_i(2'b11),
|
|
.BE_B2_i(2'b11),
|
|
|
|
.FLUSH1_i(Async_Flush1),
|
|
.FLUSH2_i(Async_Flush2)
|
|
);
|
|
|
|
endmodule |