| // 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 |
| |
| `default_nettype none |
| |
| (* abc9_flop, lib_whitebox *) |
| module sh_dff( |
| output reg Q, |
| input wire D, |
| (* clkbuf_sink *) |
| input wire C |
| ); |
| |
| initial Q <= 1'b0; |
| always @(posedge C) |
| Q <= D; |
| |
| endmodule |
| |
| (* abc9_box, lib_blackbox *) |
| module adder_carry( |
| output wire sumout, |
| output wire cout, |
| input wire p, |
| input wire g, |
| input wire cin |
| ); |
| assign sumout = p ^ cin; |
| assign cout = p ? cin : g; |
| |
| endmodule |
| |
| (* abc9_box, lib_whitebox *) |
| module adder_lut5( |
| output wire lut5_out, |
| (* abc9_carry *) |
| output wire cout, |
| input wire [0:4] in, |
| (* abc9_carry *) |
| input wire cin |
| ); |
| parameter [0:15] LUT=0; |
| parameter IN2_IS_CIN = 0; |
| |
| wire [0:4] li = (IN2_IS_CIN) ? {in[0], in[1], cin, in[3], in[4]} : {in[0], in[1], in[2], in[3],in[4]}; |
| |
| // Output function |
| wire [0:15] s1 = li[0] ? |
| {LUT[0], LUT[2], LUT[4], LUT[6], LUT[8], LUT[10], LUT[12], LUT[14], LUT[16], LUT[18], LUT[20], LUT[22], LUT[24], LUT[26], LUT[28], LUT[30]}: |
| {LUT[1], LUT[3], LUT[5], LUT[7], LUT[9], LUT[11], LUT[13], LUT[15], LUT[17], LUT[19], LUT[21], LUT[23], LUT[25], LUT[27], LUT[29], LUT[31]}; |
| |
| wire [0:7] s2 = li[1] ? {s1[0], s1[2], s1[4], s1[6], s1[8], s1[10], s1[12], s1[14]} : |
| {s1[1], s1[3], s1[5], s1[7], s1[9], s1[11], s1[13], s1[15]}; |
| |
| wire [0:3] s3 = li[2] ? {s2[0], s2[2], s2[4], s2[6]} : {s2[1], s2[3], s2[5], s2[7]}; |
| wire [0:1] s4 = li[3] ? {s3[0], s3[2]} : {s3[1], s3[3]}; |
| |
| assign lut5_out = li[4] ? s4[0] : s4[1]; |
| |
| // Carry out function |
| assign cout = (s3[2]) ? cin : s3[3]; |
| |
| endmodule |
| |
| (* abc9_lut=1, lib_whitebox *) |
| module frac_lut6( |
| input wire [0:5] in, |
| output wire [0:3] lut4_out, |
| output wire [0:1] lut5_out, |
| output wire lut6_out |
| ); |
| parameter [0:63] LUT = 0; |
| // Effective LUT input |
| wire [0:5] li = in; |
| |
| // Output function |
| wire [0:31] s1 = li[0] ? |
| {LUT[0] , LUT[2] , LUT[4] , LUT[6] , LUT[8] , LUT[10], LUT[12], LUT[14], |
| LUT[16], LUT[18], LUT[20], LUT[22], LUT[24], LUT[26], LUT[28], LUT[30], |
| LUT[32], LUT[34], LUT[36], LUT[38], LUT[40], LUT[42], LUT[44], LUT[46], |
| LUT[48], LUT[50], LUT[52], LUT[54], LUT[56], LUT[58], LUT[60], LUT[62]}: |
| {LUT[1] , LUT[3] , LUT[5] , LUT[7] , LUT[9] , LUT[11], LUT[13], LUT[15], |
| LUT[17], LUT[19], LUT[21], LUT[23], LUT[25], LUT[27], LUT[29], LUT[31], |
| LUT[33], LUT[35], LUT[37], LUT[39], LUT[41], LUT[43], LUT[45], LUT[47], |
| LUT[49], LUT[51], LUT[53], LUT[55], LUT[57], LUT[59], LUT[61], LUT[63]}; |
| |
| wire [0:15] s2 = li[1] ? |
| {s1[0] , s1[2] , s1[4] , s1[6] , s1[8] , s1[10], s1[12], s1[14], |
| s1[16], s1[18], s1[20], s1[22], s1[24], s1[26], s1[28], s1[30]}: |
| {s1[1] , s1[3] , s1[5] , s1[7] , s1[9] , s1[11], s1[13], s1[15], |
| s1[17], s1[19], s1[21], s1[23], s1[25], s1[27], s1[29], s1[31]}; |
| |
| wire [0:7] s3 = li[2] ? |
| {s2[0], s2[2], s2[4], s2[6], s2[8], s2[10], s2[12], s2[14]}: |
| {s2[1], s2[3], s2[5], s2[7], s2[9], s2[11], s2[13], s2[15]}; |
| |
| wire [0:3] s4 = li[3] ? {s3[0], s3[2], s3[4], s3[6]}: |
| {s3[1], s3[3], s3[5], s3[7]}; |
| |
| wire [0:1] s5 = li[4] ? {s4[0], s4[2]} : {s4[1], s4[3]}; |
| |
| assign lut4_out[0] = s4[0]; |
| assign lut4_out[1] = s4[1]; |
| assign lut4_out[2] = s4[2]; |
| assign lut4_out[3] = s4[3]; |
| |
| assign lut5_out[0] = s5[0]; |
| assign lut5_out[1] = s5[1]; |
| |
| assign lut6_out = li[5] ? s5[0] : s5[1]; |
| |
| endmodule |
| |
| (* abc9_flop, lib_whitebox *) |
| module dff( |
| output reg Q, |
| input wire D, |
| (* clkbuf_sink *) |
| input wire C |
| ); |
| initial Q <= 1'b0; |
| |
| always @(posedge C) |
| Q <= D; |
| |
| endmodule |
| |
| (* abc9_flop, lib_whitebox *) |
| module dffn( |
| output reg Q, |
| input wire D, |
| (* clkbuf_sink *) |
| input wire C |
| ); |
| initial Q <= 1'b0; |
| |
| always @(negedge C) |
| Q <= D; |
| |
| endmodule |
| |
| (* abc9_flop, lib_whitebox *) |
| module dffsre( |
| output reg Q, |
| input wire D, |
| (* clkbuf_sink *) |
| input wire C, |
| input wire E, |
| input wire R, |
| input wire S |
| ); |
| initial Q <= 1'b0; |
| |
| always @(posedge C or negedge S or negedge R) |
| if (!R) |
| Q <= 1'b0; |
| else if (!S) |
| Q <= 1'b1; |
| else if (E) |
| Q <= D; |
| |
| endmodule |
| |
| (* abc9_flop, lib_whitebox *) |
| module dffnsre( |
| output reg Q, |
| input wire D, |
| (* clkbuf_sink *) |
| input wire C, |
| input wire E, |
| input wire R, |
| input wire S |
| ); |
| initial Q <= 1'b0; |
| |
| always @(negedge C or negedge S or negedge R) |
| if (!R) |
| Q <= 1'b0; |
| else if (!S) |
| Q <= 1'b1; |
| else if (E) |
| Q <= D; |
| |
| endmodule |
| |
| (* abc9_flop, lib_whitebox *) |
| module sdffsre( |
| output reg Q, |
| input wire D, |
| (* clkbuf_sink *) |
| input wire C, |
| input wire E, |
| input wire R, |
| input wire S |
| ); |
| initial Q <= 1'b0; |
| |
| always @(posedge C) |
| if (!R) |
| Q <= 1'b0; |
| else if (!S) |
| Q <= 1'b1; |
| else if (E) |
| Q <= D; |
| |
| endmodule |
| |
| (* abc9_flop, lib_whitebox *) |
| module sdffnsre( |
| output reg Q, |
| input wire D, |
| (* clkbuf_sink *) |
| input wire C, |
| input wire E, |
| input wire R, |
| input wire S |
| ); |
| initial Q <= 1'b0; |
| |
| always @(negedge C) |
| if (!R) |
| Q <= 1'b0; |
| else if (!S) |
| Q <= 1'b1; |
| else if (E) |
| Q <= D; |
| |
| endmodule |
| |
| (* abc9_flop, lib_whitebox *) |
| module latchsre ( |
| output reg Q, |
| input wire S, |
| input wire R, |
| input wire D, |
| input wire G, |
| input wire E |
| ); |
| initial Q <= 1'b0; |
| |
| always @* |
| begin |
| if (!R) |
| Q <= 1'b0; |
| else if (!S) |
| Q <= 1'b1; |
| else if (E && G) |
| Q <= D; |
| end |
| |
| endmodule |
| |
| (* abc9_flop, lib_whitebox *) |
| module latchnsre ( |
| output reg Q, |
| input wire S, |
| input wire R, |
| input wire D, |
| input wire G, |
| input wire E |
| ); |
| initial Q <= 1'b0; |
| |
| always @* |
| begin |
| if (!R) |
| Q <= 1'b0; |
| else if (!S) |
| Q <= 1'b1; |
| else if (E && !G) |
| Q <= D; |
| end |
| |
| endmodule |
| |
| |
| module TDP_BRAM18 ( |
| (* clkbuf_sink *) |
| input wire CLOCKA, |
| (* clkbuf_sink *) |
| input wire CLOCKB, |
| input wire READENABLEA, |
| input wire READENABLEB, |
| input wire [13:0] ADDRA, |
| input wire [13:0] ADDRB, |
| input wire [15:0] WRITEDATAA, |
| input wire [15:0] WRITEDATAB, |
| input wire [1:0] WRITEDATAAP, |
| input wire [1:0] WRITEDATABP, |
| input wire WRITEENABLEA, |
| input wire WRITEENABLEB, |
| input wire [1:0] BYTEENABLEA, |
| input wire [1:0] BYTEENABLEB, |
| //input wire [2:0] WRITEDATAWIDTHA, |
| //input wire [2:0] WRITEDATAWIDTHB, |
| //input wire [2:0] READDATAWIDTHA, |
| //input wire [2:0] READDATAWIDTHB, |
| output wire [15:0] READDATAA, |
| output wire [15:0] READDATAB, |
| output wire [1:0] READDATAAP, |
| output wire [1:0] READDATABP |
| ); |
| parameter INITP_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_14 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_15 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_16 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_17 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_18 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_19 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_20 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_21 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_22 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_23 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_24 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_25 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_26 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_27 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_28 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_29 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_30 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_31 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_32 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_33 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_34 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_35 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_36 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_37 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_38 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_39 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter integer READ_WIDTH_A = 0; |
| parameter integer READ_WIDTH_B = 0; |
| parameter integer WRITE_WIDTH_A = 0; |
| parameter integer WRITE_WIDTH_B = 0; |
| |
| endmodule |
| |
| module TDP36K ( |
| RESET_ni, |
| WEN_A1_i, |
| WEN_B1_i, |
| REN_A1_i, |
| REN_B1_i, |
| CLK_A1_i, |
| CLK_B1_i, |
| BE_A1_i, |
| BE_B1_i, |
| ADDR_A1_i, |
| ADDR_B1_i, |
| WDATA_A1_i, |
| WDATA_B1_i, |
| RDATA_A1_o, |
| RDATA_B1_o, |
| FLUSH1_i, |
| WEN_A2_i, |
| WEN_B2_i, |
| REN_A2_i, |
| REN_B2_i, |
| CLK_A2_i, |
| CLK_B2_i, |
| BE_A2_i, |
| BE_B2_i, |
| ADDR_A2_i, |
| ADDR_B2_i, |
| WDATA_A2_i, |
| WDATA_B2_i, |
| RDATA_A2_o, |
| RDATA_B2_o, |
| FLUSH2_i |
| ); |
| parameter [80:0] MODE_BITS = 81'd0; |
| |
| // First 18K RAMFIFO (41 bits) |
| localparam [ 0:0] SYNC_FIFO1_i = MODE_BITS[0]; |
| localparam [ 2:0] RMODE_A1_i = MODE_BITS[3 : 1]; |
| localparam [ 2:0] RMODE_B1_i = MODE_BITS[6 : 4]; |
| localparam [ 2:0] WMODE_A1_i = MODE_BITS[9 : 7]; |
| localparam [ 2:0] WMODE_B1_i = MODE_BITS[12:10]; |
| localparam [ 0:0] FMODE1_i = MODE_BITS[13]; |
| localparam [ 0:0] POWERDN1_i = MODE_BITS[14]; |
| localparam [ 0:0] SLEEP1_i = MODE_BITS[15]; |
| localparam [ 0:0] PROTECT1_i = MODE_BITS[16]; |
| localparam [11:0] UPAE1_i = MODE_BITS[28:17]; |
| localparam [11:0] UPAF1_i = MODE_BITS[40:29]; |
| |
| // Second 18K RAMFIFO (39 bits) |
| localparam [ 0:0] SYNC_FIFO2_i = MODE_BITS[41]; |
| localparam [ 2:0] RMODE_A2_i = MODE_BITS[44:42]; |
| localparam [ 2:0] RMODE_B2_i = MODE_BITS[47:45]; |
| localparam [ 2:0] WMODE_A2_i = MODE_BITS[50:48]; |
| localparam [ 2:0] WMODE_B2_i = MODE_BITS[53:51]; |
| localparam [ 0:0] FMODE2_i = MODE_BITS[54]; |
| localparam [ 0:0] POWERDN2_i = MODE_BITS[55]; |
| localparam [ 0:0] SLEEP2_i = MODE_BITS[56]; |
| localparam [ 0:0] PROTECT2_i = MODE_BITS[57]; |
| localparam [10:0] UPAE2_i = MODE_BITS[68:58]; |
| localparam [10:0] UPAF2_i = MODE_BITS[79:69]; |
| |
| // Split (1 bit) |
| localparam [ 0:0] SPLIT_i = MODE_BITS[80]; |
| |
| parameter INITP_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INITP_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_14 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_15 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_16 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_17 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_18 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_19 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_1F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_20 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_21 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_22 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_23 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_24 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_25 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_26 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_27 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_28 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_29 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_2F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_30 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_31 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_32 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_33 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_34 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_35 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_36 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_37 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_38 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_39 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_3F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_40 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_41 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_42 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_43 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_44 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_45 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_46 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_47 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_48 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_49 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_4A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_4B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_4C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_4D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_4E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_4F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_50 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_51 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_52 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_53 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_54 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_55 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_56 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_57 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_58 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_59 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_5A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_5B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_5C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_5D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_5E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_5F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_60 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_61 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_62 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_63 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_64 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_65 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_66 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_67 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_68 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_69 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_6A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_6B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_6C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_6D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_6E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_6F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_70 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_71 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_72 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_73 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_74 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_75 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_76 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_77 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_78 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_79 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_7A = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_7B = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_7C = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_7D = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_7E = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT_7F = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| |
| input wire RESET_ni; |
| input wire WEN_A1_i; |
| input wire WEN_B1_i; |
| input wire REN_A1_i; |
| input wire REN_B1_i; |
| (* clkbuf_sink *) |
| input wire CLK_A1_i; |
| (* clkbuf_sink *) |
| input wire CLK_B1_i; |
| input wire [1:0] BE_A1_i; |
| input wire [1:0] BE_B1_i; |
| input wire [14:0] ADDR_A1_i; |
| input wire [14:0] ADDR_B1_i; |
| input wire [17:0] WDATA_A1_i; |
| input wire [17:0] WDATA_B1_i; |
| output reg [17:0] RDATA_A1_o; |
| output reg [17:0] RDATA_B1_o; |
| input wire FLUSH1_i; |
| input wire WEN_A2_i; |
| input wire WEN_B2_i; |
| input wire REN_A2_i; |
| input wire REN_B2_i; |
| (* clkbuf_sink *) |
| input wire CLK_A2_i; |
| (* clkbuf_sink *) |
| input wire CLK_B2_i; |
| input wire [1:0] BE_A2_i; |
| input wire [1:0] BE_B2_i; |
| input wire [13:0] ADDR_A2_i; |
| input wire [13:0] ADDR_B2_i; |
| input wire [17:0] WDATA_A2_i; |
| input wire [17:0] WDATA_B2_i; |
| output reg [17:0] RDATA_A2_o; |
| output reg [17:0] RDATA_B2_o; |
| input wire FLUSH2_i; |
| wire EMPTY2; |
| wire EPO2; |
| wire EWM2; |
| wire FULL2; |
| wire FMO2; |
| wire FWM2; |
| wire EMPTY1; |
| wire EPO1; |
| wire EWM1; |
| wire FULL1; |
| wire FMO1; |
| wire FWM1; |
| wire UNDERRUN1; |
| wire OVERRUN1; |
| wire UNDERRUN2; |
| wire OVERRUN2; |
| wire UNDERRUN3; |
| wire OVERRUN3; |
| wire EMPTY3; |
| wire EPO3; |
| wire EWM3; |
| wire FULL3; |
| wire FMO3; |
| wire FWM3; |
| wire ram_fmode1; |
| wire ram_fmode2; |
| wire [17:0] ram_rdata_a1; |
| wire [17:0] ram_rdata_b1; |
| wire [17:0] ram_rdata_a2; |
| wire [17:0] ram_rdata_b2; |
| reg [17:0] ram_wdata_a1; |
| reg [17:0] ram_wdata_b1; |
| reg [17:0] ram_wdata_a2; |
| reg [17:0] ram_wdata_b2; |
| reg [14:0] laddr_a1; |
| reg [14:0] laddr_b1; |
| wire [13:0] ram_addr_a1; |
| wire [13:0] ram_addr_b1; |
| wire [13:0] ram_addr_a2; |
| wire [13:0] ram_addr_b2; |
| wire smux_clk_a1; |
| wire smux_clk_b1; |
| wire smux_clk_a2; |
| wire smux_clk_b2; |
| reg [1:0] ram_be_a1; |
| reg [1:0] ram_be_a2; |
| reg [1:0] ram_be_b1; |
| reg [1:0] ram_be_b2; |
| wire [2:0] ram_rmode_a1; |
| wire [2:0] ram_wmode_a1; |
| wire [2:0] ram_rmode_b1; |
| wire [2:0] ram_wmode_b1; |
| wire [2:0] ram_rmode_a2; |
| wire [2:0] ram_wmode_a2; |
| wire [2:0] ram_rmode_b2; |
| wire [2:0] ram_wmode_b2; |
| wire ram_ren_a1; |
| wire ram_ren_b1; |
| wire ram_ren_a2; |
| wire ram_ren_b2; |
| wire ram_wen_a1; |
| wire ram_wen_b1; |
| wire ram_wen_a2; |
| wire ram_wen_b2; |
| wire ren_o; |
| wire [11:0] ff_raddr; |
| wire [11:0] ff_waddr; |
| reg [35:0] fifo_rdata; |
| wire [1:0] fifo_rmode; |
| wire [1:0] fifo_wmode; |
| wire [1:0] bwl; |
| wire [17:0] pl_dout0; |
| wire [17:0] pl_dout1; |
| wire sclk_a1; |
| wire sclk_b1; |
| wire sclk_a2; |
| wire sclk_b2; |
| wire sreset; |
| wire flush1; |
| wire flush2; |
| assign sreset = RESET_ni; |
| assign flush1 = ~FLUSH1_i; |
| assign flush2 = ~FLUSH2_i; |
| assign ram_fmode1 = FMODE1_i & SPLIT_i; |
| assign ram_fmode2 = FMODE2_i & SPLIT_i; |
| assign smux_clk_a1 = CLK_A1_i; |
| assign smux_clk_b1 = (FMODE1_i ? (SYNC_FIFO1_i ? CLK_A1_i : CLK_B1_i) : CLK_B1_i); |
| assign smux_clk_a2 = (SPLIT_i ? CLK_A2_i : CLK_A1_i); |
| assign smux_clk_b2 = (SPLIT_i ? (FMODE2_i ? (SYNC_FIFO2_i ? CLK_A2_i : CLK_B2_i) : CLK_B2_i) : (FMODE1_i ? (SYNC_FIFO1_i ? CLK_A1_i : CLK_B1_i) : CLK_B1_i)); |
| assign sclk_a1 = smux_clk_a1; |
| assign sclk_a2 = smux_clk_a2; |
| assign sclk_b1 = smux_clk_b1; |
| assign sclk_b2 = smux_clk_b2; |
| assign ram_ren_a1 = (SPLIT_i ? REN_A1_i : (FMODE1_i ? 0 : REN_A1_i)); |
| assign ram_ren_a2 = (SPLIT_i ? REN_A2_i : (FMODE1_i ? 0 : REN_A1_i)); |
| assign ram_ren_b1 = (SPLIT_i ? REN_B1_i : (FMODE1_i ? ren_o : REN_B1_i)); |
| assign ram_ren_b2 = (SPLIT_i ? REN_B2_i : (FMODE1_i ? ren_o : REN_B1_i)); |
| localparam MODE_36 = 3'b011; |
| assign ram_wen_a1 = (SPLIT_i ? WEN_A1_i : (FMODE1_i ? ~FULL3 & WEN_A1_i : (WMODE_A1_i == MODE_36 ? WEN_A1_i : WEN_A1_i & ~ADDR_A1_i[4]))); |
| assign ram_wen_a2 = (SPLIT_i ? WEN_A2_i : (FMODE1_i ? ~FULL3 & WEN_A1_i : (WMODE_A1_i == MODE_36 ? WEN_A1_i : WEN_A1_i & ADDR_A1_i[4]))); |
| assign ram_wen_b1 = (SPLIT_i ? WEN_B1_i : (WMODE_B1_i == MODE_36 ? WEN_B1_i : WEN_B1_i & ~ADDR_B1_i[4])); |
| assign ram_wen_b2 = (SPLIT_i ? WEN_B2_i : (WMODE_B1_i == MODE_36 ? WEN_B1_i : WEN_B1_i & ADDR_B1_i[4])); |
| assign ram_addr_a1 = (SPLIT_i ? ADDR_A1_i[13:0] : (FMODE1_i ? {ff_waddr[11:2], ff_waddr[0], 3'b000} : {ADDR_A1_i[14:5], ADDR_A1_i[3:0]})); |
| assign ram_addr_b1 = (SPLIT_i ? ADDR_B1_i[13:0] : (FMODE1_i ? {ff_raddr[11:2], ff_raddr[0], 3'b000} : {ADDR_B1_i[14:5], ADDR_B1_i[3:0]})); |
| assign ram_addr_a2 = (SPLIT_i ? ADDR_A2_i[13:0] : (FMODE1_i ? {ff_waddr[11:2], ff_waddr[0], 3'b000} : {ADDR_A1_i[14:5], ADDR_A1_i[3:0]})); |
| assign ram_addr_b2 = (SPLIT_i ? ADDR_B2_i[13:0] : (FMODE1_i ? {ff_raddr[11:2], ff_raddr[0], 3'b000} : {ADDR_B1_i[14:5], ADDR_B1_i[3:0]})); |
| assign bwl = (SPLIT_i ? ADDR_A1_i[4:3] : (FMODE1_i ? ff_waddr[1:0] : ADDR_A1_i[4:3])); |
| localparam MODE_18 = 3'b010; |
| localparam MODE_9 = 3'b001; |
| always @(*) begin : WDATA_SEL |
| case (SPLIT_i) |
| 1: begin |
| ram_wdata_a1 = WDATA_A1_i; |
| ram_wdata_a2 = WDATA_A2_i; |
| ram_wdata_b1 = WDATA_B1_i; |
| ram_wdata_b2 = WDATA_B2_i; |
| ram_be_a2 = BE_A2_i; |
| ram_be_b2 = BE_B2_i; |
| ram_be_a1 = BE_A1_i; |
| ram_be_b1 = BE_B1_i; |
| end |
| 0: begin |
| case (WMODE_A1_i) |
| MODE_36: begin |
| ram_wdata_a1 = WDATA_A1_i; |
| ram_wdata_a2 = WDATA_A2_i; |
| ram_be_a2 = (FMODE1_i ? 2'b11 : BE_A2_i); |
| ram_be_a1 = (FMODE1_i ? 2'b11 : BE_A1_i); |
| end |
| MODE_18: begin |
| ram_wdata_a1 = WDATA_A1_i; |
| ram_wdata_a2 = WDATA_A1_i; |
| ram_be_a1 = (FMODE1_i ? (ff_waddr[1] ? 2'b00 : 2'b11) : BE_A1_i); |
| ram_be_a2 = (FMODE1_i ? (ff_waddr[1] ? 2'b11 : 2'b00) : BE_A1_i); |
| end |
| MODE_9: begin |
| ram_wdata_a1[7:0] = WDATA_A1_i[7:0]; |
| ram_wdata_a1[16] = WDATA_A1_i[16]; |
| ram_wdata_a1[15:8] = WDATA_A1_i[7:0]; |
| ram_wdata_a1[17] = WDATA_A1_i[16]; |
| ram_wdata_a2[7:0] = WDATA_A1_i[7:0]; |
| ram_wdata_a2[16] = WDATA_A1_i[16]; |
| ram_wdata_a2[15:8] = WDATA_A1_i[7:0]; |
| ram_wdata_a2[17] = WDATA_A1_i[16]; |
| case (bwl) |
| 0: {ram_be_a2, ram_be_a1} = 4'b0001; |
| 1: {ram_be_a2, ram_be_a1} = 4'b0010; |
| 2: {ram_be_a2, ram_be_a1} = 4'b0100; |
| 3: {ram_be_a2, ram_be_a1} = 4'b1000; |
| endcase |
| end |
| default: begin |
| ram_wdata_a1 = WDATA_A1_i; |
| ram_wdata_a2 = WDATA_A1_i; |
| ram_be_a2 = (FMODE1_i ? 2'b11 : BE_A1_i); |
| ram_be_a1 = (FMODE1_i ? 2'b11 : BE_A1_i); |
| end |
| endcase |
| case (WMODE_B1_i) |
| MODE_36: begin |
| ram_wdata_b1 = (FMODE1_i ? 18'b000000000000000000 : WDATA_B1_i); |
| ram_wdata_b2 = (FMODE1_i ? 18'b000000000000000000 : WDATA_B2_i); |
| ram_be_b2 = BE_B2_i; |
| ram_be_b1 = BE_B1_i; |
| end |
| MODE_18: begin |
| ram_wdata_b1 = (FMODE1_i ? 18'b000000000000000000 : WDATA_B1_i); |
| ram_wdata_b2 = (FMODE1_i ? 18'b000000000000000000 : WDATA_B1_i); |
| ram_be_b1 = BE_B1_i; |
| ram_be_b2 = BE_B1_i; |
| end |
| MODE_9: begin |
| ram_wdata_b1[7:0] = WDATA_B1_i[7:0]; |
| ram_wdata_b1[16] = WDATA_B1_i[16]; |
| ram_wdata_b1[15:8] = WDATA_B1_i[7:0]; |
| ram_wdata_b1[17] = WDATA_B1_i[16]; |
| ram_wdata_b2[7:0] = WDATA_B1_i[7:0]; |
| ram_wdata_b2[16] = WDATA_B1_i[16]; |
| ram_wdata_b2[15:8] = WDATA_B1_i[7:0]; |
| ram_wdata_b2[17] = WDATA_B1_i[16]; |
| case (ADDR_B1_i[4:3]) |
| 0: {ram_be_b2, ram_be_b1} = 4'b0001; |
| 1: {ram_be_b2, ram_be_b1} = 4'b0010; |
| 2: {ram_be_b2, ram_be_b1} = 4'b0100; |
| 3: {ram_be_b2, ram_be_b1} = 4'b1000; |
| endcase |
| end |
| default: begin |
| ram_wdata_b1 = (FMODE1_i ? 18'b000000000000000000 : WDATA_B1_i); |
| ram_wdata_b2 = (FMODE1_i ? 18'b000000000000000000 : WDATA_B1_i); |
| ram_be_b2 = BE_B1_i; |
| ram_be_b1 = BE_B1_i; |
| end |
| endcase |
| end |
| endcase |
| end |
| assign ram_rmode_a1 = (SPLIT_i ? (RMODE_A1_i == MODE_36 ? MODE_18 : RMODE_A1_i) : (RMODE_A1_i == MODE_36 ? MODE_18 : RMODE_A1_i)); |
| assign ram_rmode_a2 = (SPLIT_i ? (RMODE_A2_i == MODE_36 ? MODE_18 : RMODE_A2_i) : (RMODE_A1_i == MODE_36 ? MODE_18 : RMODE_A1_i)); |
| assign ram_wmode_a1 = (SPLIT_i ? (WMODE_A1_i == MODE_36 ? MODE_18 : WMODE_A1_i) : (WMODE_A1_i == MODE_36 ? MODE_18 : (FMODE1_i ? MODE_18 : WMODE_A1_i))); |
| assign ram_wmode_a2 = (SPLIT_i ? (WMODE_A2_i == MODE_36 ? MODE_18 : WMODE_A2_i) : (WMODE_A1_i == MODE_36 ? MODE_18 : (FMODE1_i ? MODE_18 : WMODE_A1_i))); |
| assign ram_rmode_b1 = (SPLIT_i ? (RMODE_B1_i == MODE_36 ? MODE_18 : RMODE_B1_i) : (RMODE_B1_i == MODE_36 ? MODE_18 : (FMODE1_i ? MODE_18 : RMODE_B1_i))); |
| assign ram_rmode_b2 = (SPLIT_i ? (RMODE_B2_i == MODE_36 ? MODE_18 : RMODE_B2_i) : (RMODE_B1_i == MODE_36 ? MODE_18 : (FMODE1_i ? MODE_18 : RMODE_B1_i))); |
| assign ram_wmode_b1 = (SPLIT_i ? (WMODE_B1_i == MODE_36 ? MODE_18 : WMODE_B1_i) : (WMODE_B1_i == MODE_36 ? MODE_18 : WMODE_B1_i)); |
| assign ram_wmode_b2 = (SPLIT_i ? (WMODE_B2_i == MODE_36 ? MODE_18 : WMODE_B2_i) : (WMODE_B1_i == MODE_36 ? MODE_18 : WMODE_B1_i)); |
| always @(*) begin : FIFO_READ_SEL |
| case (RMODE_B1_i) |
| MODE_36: fifo_rdata = {ram_rdata_b2[17:16], ram_rdata_b1[17:16], ram_rdata_b2[15:0], ram_rdata_b1[15:0]}; |
| MODE_18: fifo_rdata = (ff_raddr[1] ? {18'b000000000000000000, ram_rdata_b2} : {18'b000000000000000000, ram_rdata_b1}); |
| MODE_9: |
| case (ff_raddr[1:0]) |
| 0: fifo_rdata = {19'b0000000000000000000, ram_rdata_b1[16], 8'b00000000, ram_rdata_b1[7:0]}; |
| 1: fifo_rdata = {19'b0000000000000000000, ram_rdata_b1[17], 8'b00000000, ram_rdata_b1[15:8]}; |
| 2: fifo_rdata = {19'b0000000000000000000, ram_rdata_b2[16], 8'b00000000, ram_rdata_b2[7:0]}; |
| 3: fifo_rdata = {19'b0000000000000000000, ram_rdata_b2[17], 8'b00000000, ram_rdata_b2[15:8]}; |
| endcase |
| default: fifo_rdata = {ram_rdata_b2, ram_rdata_b1}; |
| endcase |
| end |
| localparam MODE_1 = 3'b101; |
| localparam MODE_2 = 3'b110; |
| localparam MODE_4 = 3'b100; |
| always @(*) begin : RDATA_SEL |
| case (SPLIT_i) |
| 1: begin |
| RDATA_A1_o = (FMODE1_i ? {10'b0000000000, EMPTY1, EPO1, EWM1, UNDERRUN1, FULL1, FMO1, FWM1, OVERRUN1} : ram_rdata_a1); |
| RDATA_B1_o = ram_rdata_b1; |
| RDATA_A2_o = (FMODE2_i ? {10'b0000000000, EMPTY2, EPO2, EWM2, UNDERRUN2, FULL2, FMO2, FWM2, OVERRUN2} : ram_rdata_a2); |
| RDATA_B2_o = ram_rdata_b2; |
| end |
| 0: begin |
| if (FMODE1_i) begin |
| RDATA_A1_o = {10'b0000000000, EMPTY3, EPO3, EWM3, UNDERRUN3, FULL3, FMO3, FWM3, OVERRUN3}; |
| RDATA_A2_o = 18'b000000000000000000; |
| end |
| else |
| case (RMODE_A1_i) |
| MODE_36: begin |
| RDATA_A1_o = {ram_rdata_a1[17:0]}; |
| RDATA_A2_o = {ram_rdata_a2[17:0]}; |
| end |
| MODE_18: begin |
| RDATA_A1_o = (laddr_a1[4] ? ram_rdata_a2 : ram_rdata_a1); |
| RDATA_A2_o = 18'b000000000000000000; |
| end |
| MODE_9: begin |
| RDATA_A1_o = (laddr_a1[4] ? {{2 {ram_rdata_a2[16]}}, {2 {ram_rdata_a2[7:0]}}} : {{2 {ram_rdata_a1[16]}}, {2 {ram_rdata_a1[7:0]}}}); |
| RDATA_A2_o = 18'b000000000000000000; |
| end |
| MODE_4: begin |
| RDATA_A2_o = 18'b000000000000000000; |
| RDATA_A1_o[17:4] = 14'b00000000000000; |
| RDATA_A1_o[3:0] = (laddr_a1[4] ? ram_rdata_a2[3:0] : ram_rdata_a1[3:0]); |
| end |
| MODE_2: begin |
| RDATA_A2_o = 18'b000000000000000000; |
| RDATA_A1_o[17:2] = 16'b0000000000000000; |
| RDATA_A1_o[1:0] = (laddr_a1[4] ? ram_rdata_a2[1:0] : ram_rdata_a1[1:0]); |
| end |
| MODE_1: begin |
| RDATA_A2_o = 18'b000000000000000000; |
| RDATA_A1_o[17:1] = 17'b00000000000000000; |
| RDATA_A1_o[0] = (laddr_a1[4] ? ram_rdata_a2[0] : ram_rdata_a1[0]); |
| end |
| default: begin |
| RDATA_A1_o = {ram_rdata_a2[1:0], ram_rdata_a1[15:0]}; |
| RDATA_A2_o = {ram_rdata_a2[17:16], ram_rdata_a1[17:16], ram_rdata_a2[15:2]}; |
| end |
| endcase |
| case (RMODE_B1_i) |
| MODE_36: begin |
| RDATA_B1_o = {ram_rdata_b1}; |
| RDATA_B2_o = {ram_rdata_b2}; |
| end |
| MODE_18: begin |
| RDATA_B1_o = (FMODE1_i ? fifo_rdata[17:0] : (laddr_b1[4] ? ram_rdata_b2 : ram_rdata_b1)); |
| RDATA_B2_o = 18'b000000000000000000; |
| end |
| MODE_9: begin |
| RDATA_B1_o = (FMODE1_i ? {fifo_rdata[17:0]} : (laddr_b1[4] ? {1'b0, ram_rdata_b2[16], 8'b00000000, ram_rdata_b2[7:0]} : {1'b0, ram_rdata_b1[16], 8'b00000000, ram_rdata_b1[7:0]})); |
| RDATA_B2_o = 18'b000000000000000000; |
| end |
| MODE_4: begin |
| RDATA_B2_o = 18'b000000000000000000; |
| RDATA_B1_o[17:4] = 14'b00000000000000; |
| RDATA_B1_o[3:0] = (laddr_b1[4] ? ram_rdata_b2[3:0] : ram_rdata_b1[3:0]); |
| end |
| MODE_2: begin |
| RDATA_B2_o = 18'b000000000000000000; |
| RDATA_B1_o[17:2] = 16'b0000000000000000; |
| RDATA_B1_o[1:0] = (laddr_b1[4] ? ram_rdata_b2[1:0] : ram_rdata_b1[1:0]); |
| end |
| MODE_1: begin |
| RDATA_B2_o = 18'b000000000000000000; |
| RDATA_B1_o[17:1] = 17'b00000000000000000; |
| RDATA_B1_o[0] = (laddr_b1[4] ? ram_rdata_b2[0] : ram_rdata_b1[0]); |
| end |
| default: begin |
| RDATA_B1_o = ram_rdata_b1; |
| RDATA_B2_o = ram_rdata_b2; |
| end |
| endcase |
| end |
| endcase |
| end |
| always @(posedge sclk_a1 or negedge sreset) |
| if (sreset == 0) |
| laddr_a1 <= 1'sb0; |
| else |
| laddr_a1 <= ADDR_A1_i; |
| always @(posedge sclk_b1 or negedge sreset) |
| if (sreset == 0) |
| laddr_b1 <= 1'sb0; |
| else |
| laddr_b1 <= ADDR_B1_i; |
| assign fifo_wmode = ((WMODE_A1_i == MODE_36) ? 2'b00 : ((WMODE_A1_i == MODE_18) ? 2'b01 : ((WMODE_A1_i == MODE_9) ? 2'b10 : 2'b00))); |
| assign fifo_rmode = ((RMODE_B1_i == MODE_36) ? 2'b00 : ((RMODE_B1_i == MODE_18) ? 2'b01 : ((RMODE_B1_i == MODE_9) ? 2'b10 : 2'b00))); |
| fifo_ctl #( |
| .ADDR_WIDTH(12), |
| .FIFO_WIDTH(3'd4), |
| .DEPTH(7) |
| ) fifo36_ctl( |
| .rclk(sclk_b1), |
| .rst_R_n(flush1), |
| .wclk(sclk_a1), |
| .rst_W_n(flush1), |
| .ren(REN_B1_i), |
| .wen(ram_wen_a1), |
| .sync(SYNC_FIFO1_i), |
| .rmode(fifo_rmode), |
| .wmode(fifo_wmode), |
| .ren_o(ren_o), |
| .fflags({FULL3, FMO3, FWM3, OVERRUN3, EMPTY3, EPO3, EWM3, UNDERRUN3}), |
| .raddr(ff_raddr), |
| .waddr(ff_waddr), |
| .upaf(UPAF1_i), |
| .upae(UPAE1_i) |
| ); |
| TDP18K_FIFO #( |
| .UPAF_i(UPAF1_i[10:0]), |
| .UPAE_i(UPAE1_i[10:0]), |
| .SYNC_FIFO_i(SYNC_FIFO1_i), |
| .POWERDN_i(POWERDN1_i), |
| .SLEEP_i(SLEEP1_i), |
| .PROTECT_i(PROTECT1_i) |
| )u1( |
| .RMODE_A_i(ram_rmode_a1), |
| .RMODE_B_i(ram_rmode_b1), |
| .WMODE_A_i(ram_wmode_a1), |
| .WMODE_B_i(ram_wmode_b1), |
| .WEN_A_i(ram_wen_a1), |
| .WEN_B_i(ram_wen_b1), |
| .REN_A_i(ram_ren_a1), |
| .REN_B_i(ram_ren_b1), |
| .CLK_A_i(sclk_a1), |
| .CLK_B_i(sclk_b1), |
| .BE_A_i(ram_be_a1), |
| .BE_B_i(ram_be_b1), |
| .ADDR_A_i(ram_addr_a1), |
| .ADDR_B_i(ram_addr_b1), |
| .WDATA_A_i(ram_wdata_a1), |
| .WDATA_B_i(ram_wdata_b1), |
| .RDATA_A_o(ram_rdata_a1), |
| .RDATA_B_o(ram_rdata_b1), |
| .EMPTY_o(EMPTY1), |
| .EPO_o(EPO1), |
| .EWM_o(EWM1), |
| .UNDERRUN_o(UNDERRUN1), |
| .FULL_o(FULL1), |
| .FMO_o(FMO1), |
| .FWM_o(FWM1), |
| .OVERRUN_o(OVERRUN1), |
| .FLUSH_ni(flush1), |
| .FMODE_i(ram_fmode1) |
| ); |
| TDP18K_FIFO #( |
| .UPAF_i(UPAF2_i), |
| .UPAE_i(UPAE2_i), |
| .SYNC_FIFO_i(SYNC_FIFO2_i), |
| .POWERDN_i(POWERDN2_i), |
| .SLEEP_i(SLEEP2_i), |
| .PROTECT_i(PROTECT2_i) |
| )u2( |
| .RMODE_A_i(ram_rmode_a2), |
| .RMODE_B_i(ram_rmode_b2), |
| .WMODE_A_i(ram_wmode_a2), |
| .WMODE_B_i(ram_wmode_b2), |
| .WEN_A_i(ram_wen_a2), |
| .WEN_B_i(ram_wen_b2), |
| .REN_A_i(ram_ren_a2), |
| .REN_B_i(ram_ren_b2), |
| .CLK_A_i(sclk_a2), |
| .CLK_B_i(sclk_b2), |
| .BE_A_i(ram_be_a2), |
| .BE_B_i(ram_be_b2), |
| .ADDR_A_i(ram_addr_a2), |
| .ADDR_B_i(ram_addr_b2), |
| .WDATA_A_i(ram_wdata_a2), |
| .WDATA_B_i(ram_wdata_b2), |
| .RDATA_A_o(ram_rdata_a2), |
| .RDATA_B_o(ram_rdata_b2), |
| .EMPTY_o(EMPTY2), |
| .EPO_o(EPO2), |
| .EWM_o(EWM2), |
| .UNDERRUN_o(UNDERRUN2), |
| .FULL_o(FULL2), |
| .FMO_o(FMO2), |
| .FWM_o(FWM2), |
| .OVERRUN_o(OVERRUN2), |
| .FLUSH_ni(flush2), |
| .FMODE_i(ram_fmode2) |
| ); |
| endmodule |
| |
| module BRAM2x18_TDP (A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN, C1ADDR, C1DATA, C1EN, CLK1, CLK2, CLK3, CLK4, D1ADDR, D1DATA, D1EN, E1ADDR, E1DATA, E1EN, F1ADDR, F1DATA, F1EN, G1ADDR, G1DATA, G1EN, H1ADDR, H1DATA, H1EN); |
| parameter CFG_ABITS = 11; |
| parameter CFG_DBITS = 18; |
| parameter CFG_ENABLE_B = 4; |
| parameter CFG_ENABLE_D = 4; |
| parameter CFG_ENABLE_F = 4; |
| parameter CFG_ENABLE_H = 4; |
| |
| parameter CLKPOL2 = 1; |
| parameter CLKPOL3 = 1; |
| parameter [18431:0] INIT0 = 18432'bx; |
| parameter [18431:0] INIT1 = 18432'bx; |
| |
| localparam MODE_36 = 3'b011; // 36- or 32-bit |
| localparam MODE_18 = 3'b010; // 18- or 16-bit |
| localparam MODE_9 = 3'b001; // 9- or 8-bit |
| localparam MODE_4 = 3'b100; // 4-bit |
| localparam MODE_2 = 3'b110; // 2-bit |
| localparam MODE_1 = 3'b101; // 1-bit |
| |
| input CLK1; |
| input CLK2; |
| input CLK3; |
| input CLK4; |
| |
| input [CFG_ABITS-1:0] A1ADDR; |
| output [CFG_DBITS-1:0] A1DATA; |
| input A1EN; |
| |
| input [CFG_ABITS-1:0] B1ADDR; |
| input [CFG_DBITS-1:0] B1DATA; |
| input [CFG_ENABLE_B-1:0] B1EN; |
| |
| input [CFG_ABITS-1:0] C1ADDR; |
| output [CFG_DBITS-1:0] C1DATA; |
| input C1EN; |
| |
| input [CFG_ABITS-1:0] D1ADDR; |
| input [CFG_DBITS-1:0] D1DATA; |
| input [CFG_ENABLE_D-1:0] D1EN; |
| |
| input [CFG_ABITS-1:0] E1ADDR; |
| output [CFG_DBITS-1:0] E1DATA; |
| input E1EN; |
| |
| input [CFG_ABITS-1:0] F1ADDR; |
| input [CFG_DBITS-1:0] F1DATA; |
| input [CFG_ENABLE_F-1:0] F1EN; |
| |
| input [CFG_ABITS-1:0] G1ADDR; |
| output [CFG_DBITS-1:0] G1DATA; |
| input G1EN; |
| |
| input [CFG_ABITS-1:0] H1ADDR; |
| input [CFG_DBITS-1:0] H1DATA; |
| input [CFG_ENABLE_H-1:0] H1EN; |
| |
| wire FLUSH1; |
| wire FLUSH2; |
| wire SPLIT; |
| |
| wire [13:CFG_ABITS] A1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] B1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] C1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] D1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] E1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] F1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] G1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] H1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| |
| wire [13:0] A1ADDR_TOTAL = {A1ADDR_CMPL, A1ADDR}; |
| wire [13:0] B1ADDR_TOTAL = {B1ADDR_CMPL, B1ADDR}; |
| wire [13:0] C1ADDR_TOTAL = {C1ADDR_CMPL, C1ADDR}; |
| wire [13:0] D1ADDR_TOTAL = {D1ADDR_CMPL, D1ADDR}; |
| wire [13:0] E1ADDR_TOTAL = {E1ADDR_CMPL, E1ADDR}; |
| wire [13:0] F1ADDR_TOTAL = {F1ADDR_CMPL, F1ADDR}; |
| wire [13:0] G1ADDR_TOTAL = {G1ADDR_CMPL, G1ADDR}; |
| wire [13:0] H1ADDR_TOTAL = {H1ADDR_CMPL, H1ADDR}; |
| |
| wire [17:CFG_DBITS] A1_RDATA_CMPL; |
| wire [17:CFG_DBITS] C1_RDATA_CMPL; |
| wire [17:CFG_DBITS] E1_RDATA_CMPL; |
| wire [17:CFG_DBITS] G1_RDATA_CMPL; |
| |
| wire [17:CFG_DBITS] B1_WDATA_CMPL; |
| wire [17:CFG_DBITS] D1_WDATA_CMPL; |
| wire [17:CFG_DBITS] F1_WDATA_CMPL; |
| wire [17:CFG_DBITS] H1_WDATA_CMPL; |
| |
| wire [13:0] PORT_A1_ADDR; |
| wire [13:0] PORT_A2_ADDR; |
| wire [13:0] PORT_B1_ADDR; |
| wire [13:0] PORT_B2_ADDR; |
| |
| case (CFG_DBITS) |
| 1: begin |
| assign PORT_A1_ADDR = A1EN ? A1ADDR_TOTAL : (B1EN ? B1ADDR_TOTAL : 14'd0); |
| assign PORT_B1_ADDR = C1EN ? C1ADDR_TOTAL : (D1EN ? D1ADDR_TOTAL : 14'd0); |
| assign PORT_A2_ADDR = E1EN ? E1ADDR_TOTAL : (F1EN ? F1ADDR_TOTAL : 14'd0); |
| assign PORT_B2_ADDR = G1EN ? G1ADDR_TOTAL : (H1EN ? H1ADDR_TOTAL : 14'd0); |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_1, MODE_1, MODE_1, MODE_1, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_1, MODE_1, MODE_1, MODE_1, 1'd0 |
| }; |
| end |
| |
| 2: begin |
| assign PORT_A1_ADDR = A1EN ? (A1ADDR_TOTAL << 1) : (B1EN ? (B1ADDR_TOTAL << 1) : 14'd0); |
| assign PORT_B1_ADDR = C1EN ? (C1ADDR_TOTAL << 1) : (D1EN ? (D1ADDR_TOTAL << 1) : 14'd0); |
| assign PORT_A2_ADDR = E1EN ? (E1ADDR_TOTAL << 1) : (F1EN ? (F1ADDR_TOTAL << 1) : 14'd0); |
| assign PORT_B2_ADDR = G1EN ? (G1ADDR_TOTAL << 1) : (H1EN ? (H1ADDR_TOTAL << 1) : 14'd0); |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_2, MODE_2, MODE_2, MODE_2, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_2, MODE_2, MODE_2, MODE_2, 1'd0 |
| }; |
| end |
| |
| 4: begin |
| assign PORT_A1_ADDR = A1EN ? (A1ADDR_TOTAL << 2) : (B1EN ? (B1ADDR_TOTAL << 2) : 14'd0); |
| assign PORT_B1_ADDR = C1EN ? (C1ADDR_TOTAL << 2) : (D1EN ? (D1ADDR_TOTAL << 2) : 14'd0); |
| assign PORT_A2_ADDR = E1EN ? (E1ADDR_TOTAL << 2) : (F1EN ? (F1ADDR_TOTAL << 2) : 14'd0); |
| assign PORT_B2_ADDR = G1EN ? (G1ADDR_TOTAL << 2) : (H1EN ? (H1ADDR_TOTAL << 2) : 14'd0); |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_4, MODE_4, MODE_4, MODE_4, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_4, MODE_4, MODE_4, MODE_4, 1'd0 |
| }; |
| end |
| |
| 8, 9: begin |
| assign PORT_A1_ADDR = A1EN ? (A1ADDR_TOTAL << 3) : (B1EN ? (B1ADDR_TOTAL << 3) : 14'd0); |
| assign PORT_B1_ADDR = C1EN ? (C1ADDR_TOTAL << 3) : (D1EN ? (D1ADDR_TOTAL << 3) : 14'd0); |
| assign PORT_A2_ADDR = E1EN ? (E1ADDR_TOTAL << 3) : (F1EN ? (F1ADDR_TOTAL << 3) : 14'd0); |
| assign PORT_B2_ADDR = G1EN ? (G1ADDR_TOTAL << 3) : (H1EN ? (H1ADDR_TOTAL << 3) : 14'd0); |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_9, MODE_9, MODE_9, MODE_9, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_9, MODE_9, MODE_9, MODE_9, 1'd0 |
| }; |
| end |
| |
| 16, 18: begin |
| assign PORT_A1_ADDR = A1EN ? (A1ADDR_TOTAL << 4) : (B1EN ? (B1ADDR_TOTAL << 4) : 14'd0); |
| assign PORT_B1_ADDR = C1EN ? (C1ADDR_TOTAL << 4) : (D1EN ? (D1ADDR_TOTAL << 4) : 14'd0); |
| assign PORT_A2_ADDR = E1EN ? (E1ADDR_TOTAL << 4) : (F1EN ? (F1ADDR_TOTAL << 4) : 14'd0); |
| assign PORT_B2_ADDR = G1EN ? (G1ADDR_TOTAL << 4) : (H1EN ? (H1ADDR_TOTAL << 4) : 14'd0); |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_18, MODE_18, MODE_18, MODE_18, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_18, MODE_18, MODE_18, MODE_18, 1'd0 |
| }; |
| end |
| |
| default: begin |
| assign PORT_A1_ADDR = A1EN ? A1ADDR_TOTAL : (B1EN ? B1ADDR_TOTAL : 14'd0); |
| assign PORT_B1_ADDR = C1EN ? C1ADDR_TOTAL : (D1EN ? D1ADDR_TOTAL : 14'd0); |
| assign PORT_A2_ADDR = E1EN ? E1ADDR_TOTAL : (F1EN ? F1ADDR_TOTAL : 14'd0); |
| assign PORT_B2_ADDR = G1EN ? G1ADDR_TOTAL : (H1EN ? H1ADDR_TOTAL : 14'd0); |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_36, MODE_36, MODE_36, MODE_36, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_36, MODE_36, MODE_36, MODE_36, 1'd0 |
| }; |
| end |
| endcase |
| |
| assign FLUSH1 = 1'b0; |
| assign FLUSH2 = 1'b0; |
| |
| wire [17:0] PORT_A1_RDATA = {A1_RDATA_CMPL, A1DATA}; |
| wire [17:0] PORT_B1_RDATA = {C1_RDATA_CMPL, C1DATA}; |
| wire [17:0] PORT_A2_RDATA = {E1_RDATA_CMPL, E1DATA}; |
| wire [17:0] PORT_B2_RDATA = {G1_RDATA_CMPL, G1DATA}; |
| |
| wire [17:0] PORT_A1_WDATA = {B1_WDATA_CMPL, B1DATA}; |
| wire [17:0] PORT_B1_WDATA = {D1_WDATA_CMPL, D1DATA}; |
| wire [17:0] PORT_A2_WDATA = {F1_WDATA_CMPL, F1DATA}; |
| wire [17:0] PORT_B2_WDATA = {H1_WDATA_CMPL, H1DATA}; |
| |
| wire PORT_A1_CLK = CLK1; |
| wire PORT_A2_CLK = CLK3; |
| wire PORT_B1_CLK = CLK2; |
| wire PORT_B2_CLK = CLK4; |
| |
| wire PORT_A1_REN = A1EN; |
| wire PORT_A1_WEN = B1EN[0]; |
| wire [CFG_ENABLE_B-1:0] PORT_A1_BE = {B1EN[1],B1EN[0]}; |
| |
| wire PORT_A2_REN = E1EN; |
| wire PORT_A2_WEN = F1EN[0]; |
| wire [CFG_ENABLE_F-1:0] PORT_A2_BE = {F1EN[1],F1EN[0]}; |
| |
| wire PORT_B1_REN = C1EN; |
| wire PORT_B1_WEN = D1EN[0]; |
| wire [CFG_ENABLE_D-1:0] PORT_B1_BE = {D1EN[1],D1EN[0]}; |
| |
| wire PORT_B2_REN = G1EN; |
| wire PORT_B2_WEN = H1EN[0]; |
| wire [CFG_ENABLE_H-1:0] PORT_B2_BE = {H1EN[1],H1EN[0]}; |
| |
| TDP36K bram_2x18k ( |
| .WDATA_A1_i(PORT_A1_WDATA), |
| .RDATA_A1_o(PORT_A1_RDATA), |
| .ADDR_A1_i(PORT_A1_ADDR), |
| .CLK_A1_i(PORT_A1_CLK), |
| .REN_A1_i(PORT_A1_REN), |
| .WEN_A1_i(PORT_A1_WEN), |
| .BE_A1_i(PORT_A1_BE), |
| |
| .WDATA_A2_i(PORT_A2_WDATA), |
| .RDATA_A2_o(PORT_A2_RDATA), |
| .ADDR_A2_i(PORT_A2_ADDR), |
| .CLK_A2_i(PORT_A2_CLK), |
| .REN_A2_i(PORT_A2_REN), |
| .WEN_A2_i(PORT_A2_WEN), |
| .BE_A2_i(PORT_A2_BE), |
| |
| .WDATA_B1_i(PORT_B1_WDATA), |
| .RDATA_B1_o(PORT_B1_RDATA), |
| .ADDR_B1_i(PORT_B1_ADDR), |
| .CLK_B1_i(PORT_B1_CLK), |
| .REN_B1_i(PORT_B1_REN), |
| .WEN_B1_i(PORT_B1_WEN), |
| .BE_B1_i(PORT_B1_BE), |
| |
| .WDATA_B2_i(PORT_B2_WDATA), |
| .RDATA_B2_o(PORT_B2_RDATA), |
| .ADDR_B2_i(PORT_B2_ADDR), |
| .CLK_B2_i(PORT_B2_CLK), |
| .REN_B2_i(PORT_B2_REN), |
| .WEN_B2_i(PORT_B2_WEN), |
| .BE_B2_i(PORT_B2_BE), |
| |
| .FLUSH1_i(FLUSH1), |
| .FLUSH2_i(FLUSH2) |
| ); |
| endmodule |
| |
| module BRAM2x18_SDP (A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN, C1ADDR, C1DATA, C1EN, CLK1, CLK2, D1ADDR, D1DATA, D1EN); |
| parameter CFG_ABITS = 11; |
| parameter CFG_DBITS = 18; |
| parameter CFG_ENABLE_B = 4; |
| parameter CFG_ENABLE_D = 4; |
| |
| parameter CLKPOL2 = 1; |
| parameter CLKPOL3 = 1; |
| parameter [18431:0] INIT0 = 18432'bx; |
| parameter [18431:0] INIT1 = 18432'bx; |
| |
| localparam MODE_36 = 3'b011; // 36- or 32-bit |
| localparam MODE_18 = 3'b010; // 18- or 16-bit |
| localparam MODE_9 = 3'b001; // 9- or 8-bit |
| localparam MODE_4 = 3'b100; // 4-bit |
| localparam MODE_2 = 3'b110; // 2-bit |
| localparam MODE_1 = 3'b101; // 1-bit |
| |
| input CLK1; |
| input CLK2; |
| |
| input [CFG_ABITS-1:0] A1ADDR; |
| output [CFG_DBITS-1:0] A1DATA; |
| input A1EN; |
| |
| input [CFG_ABITS-1:0] B1ADDR; |
| input [CFG_DBITS-1:0] B1DATA; |
| input [CFG_ENABLE_B-1:0] B1EN; |
| |
| input [CFG_ABITS-1:0] C1ADDR; |
| output [CFG_DBITS-1:0] C1DATA; |
| input C1EN; |
| |
| input [CFG_ABITS-1:0] D1ADDR; |
| input [CFG_DBITS-1:0] D1DATA; |
| input [CFG_ENABLE_D-1:0] D1EN; |
| |
| wire FLUSH1; |
| wire FLUSH2; |
| |
| wire [13:CFG_ABITS] A1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] B1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] C1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| wire [13:CFG_ABITS] D1ADDR_CMPL = {14-CFG_ABITS{1'b0}}; |
| |
| wire [13:0] A1ADDR_TOTAL = {A1ADDR_CMPL, A1ADDR}; |
| wire [13:0] B1ADDR_TOTAL = {B1ADDR_CMPL, B1ADDR}; |
| wire [13:0] C1ADDR_TOTAL = {C1ADDR_CMPL, C1ADDR}; |
| wire [13:0] D1ADDR_TOTAL = {D1ADDR_CMPL, D1ADDR}; |
| |
| wire [17:CFG_DBITS] A1_RDATA_CMPL; |
| wire [17:CFG_DBITS] C1_RDATA_CMPL; |
| |
| wire [17:CFG_DBITS] B1_WDATA_CMPL; |
| wire [17:CFG_DBITS] D1_WDATA_CMPL; |
| |
| wire [13:0] PORT_A1_ADDR; |
| wire [13:0] PORT_A2_ADDR; |
| wire [13:0] PORT_B1_ADDR; |
| wire [13:0] PORT_B2_ADDR; |
| |
| case (CFG_DBITS) |
| 1: begin |
| assign PORT_A1_ADDR = A1ADDR_TOTAL; |
| assign PORT_B1_ADDR = B1ADDR_TOTAL; |
| assign PORT_A2_ADDR = C1ADDR_TOTAL; |
| assign PORT_B2_ADDR = D1ADDR_TOTAL; |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_1, MODE_1, MODE_1, MODE_1, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_1, MODE_1, MODE_1, MODE_1, 1'd0 |
| }; |
| end |
| |
| 2: begin |
| assign PORT_A1_ADDR = A1ADDR_TOTAL << 1; |
| assign PORT_B1_ADDR = B1ADDR_TOTAL << 1; |
| assign PORT_A2_ADDR = C1ADDR_TOTAL << 1; |
| assign PORT_B2_ADDR = D1ADDR_TOTAL << 1; |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_2, MODE_2, MODE_2, MODE_2, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_2, MODE_2, MODE_2, MODE_2, 1'd0 |
| }; |
| end |
| |
| 4: begin |
| assign PORT_A1_ADDR = A1ADDR_TOTAL << 2; |
| assign PORT_B1_ADDR = B1ADDR_TOTAL << 2; |
| assign PORT_A2_ADDR = C1ADDR_TOTAL << 2; |
| assign PORT_B2_ADDR = D1ADDR_TOTAL << 2; |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_4, MODE_4, MODE_4, MODE_4, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_4, MODE_4, MODE_4, MODE_4, 1'd0 |
| }; |
| end |
| |
| 8, 9: begin |
| assign PORT_A1_ADDR = A1ADDR_TOTAL << 3; |
| assign PORT_B1_ADDR = B1ADDR_TOTAL << 3; |
| assign PORT_A2_ADDR = C1ADDR_TOTAL << 3; |
| assign PORT_B2_ADDR = D1ADDR_TOTAL << 3; |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_9, MODE_9, MODE_9, MODE_9, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_9, MODE_9, MODE_9, MODE_9, 1'd0 |
| }; |
| end |
| |
| 16, 18: begin |
| assign PORT_A1_ADDR = A1ADDR_TOTAL << 4; |
| assign PORT_B1_ADDR = B1ADDR_TOTAL << 4; |
| assign PORT_A2_ADDR = C1ADDR_TOTAL << 4; |
| assign PORT_B2_ADDR = D1ADDR_TOTAL << 4; |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_18, MODE_18, MODE_18, MODE_18, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_18, MODE_18, MODE_18, MODE_18, 1'd0 |
| }; |
| end |
| |
| default: begin |
| assign PORT_A1_ADDR = A1ADDR_TOTAL; |
| assign PORT_B1_ADDR = B1ADDR_TOTAL; |
| assign PORT_A2_ADDR = D1ADDR_TOTAL; |
| assign PORT_B2_ADDR = C1ADDR_TOTAL; |
| defparam bram_2x18k.MODE_BITS = { 1'b1, |
| 11'd10, 11'd10, 4'd0, MODE_36, MODE_36, MODE_36, MODE_36, 1'd0, |
| 12'd10, 12'd10, 4'd0, MODE_36, MODE_36, MODE_36, MODE_36, 1'd0 |
| }; |
| end |
| endcase |
| |
| assign FLUSH1 = 1'b0; |
| assign FLUSH2 = 1'b0; |
| |
| wire [17:0] PORT_A1_RDATA; |
| wire [17:0] PORT_B1_RDATA; |
| wire [17:0] PORT_A2_RDATA; |
| wire [17:0] PORT_B2_RDATA; |
| |
| wire [17:0] PORT_A1_WDATA; |
| wire [17:0] PORT_B1_WDATA; |
| wire [17:0] PORT_A2_WDATA; |
| wire [17:0] PORT_B2_WDATA; |
| |
| // Assign read/write data - handle special case for 9bit mode |
| // parity bit for 9bit mode is placed in R/W port on bit #16 |
| case (CFG_DBITS) |
| 9: begin |
| assign A1DATA = {PORT_A1_RDATA[16], PORT_A1_RDATA[7:0]}; |
| assign C1DATA = {PORT_A2_RDATA[16], PORT_A2_RDATA[7:0]}; |
| assign PORT_A1_WDATA = {18{1'b0}}; |
| assign PORT_B1_WDATA = {B1_WDATA_CMPL[17], B1DATA[8], B1_WDATA_CMPL[16:9], B1DATA[7:0]}; |
| assign PORT_A2_WDATA = {18{1'b0}}; |
| assign PORT_B2_WDATA = {D1_WDATA_CMPL[17], D1DATA[8], D1_WDATA_CMPL[16:9], D1DATA[7:0]}; |
| end |
| default: begin |
| assign A1DATA = PORT_A1_RDATA[CFG_DBITS-1:0]; |
| assign C1DATA = PORT_A2_RDATA[CFG_DBITS-1:0]; |
| assign PORT_A1_WDATA = {18{1'b1}}; |
| assign PORT_B1_WDATA = {B1_WDATA_CMPL, B1DATA}; |
| assign PORT_A2_WDATA = {18{1'b1}}; |
| assign PORT_B2_WDATA = {D1_WDATA_CMPL, D1DATA}; |
| |
| end |
| endcase |
| |
| wire PORT_A1_CLK = CLK1; |
| wire PORT_A2_CLK = CLK2; |
| wire PORT_B1_CLK = CLK1; |
| wire PORT_B2_CLK = CLK2; |
| |
| wire PORT_A1_REN = A1EN; |
| wire PORT_A1_WEN = 1'b0; |
| wire [CFG_ENABLE_B-1:0] PORT_A1_BE = {PORT_A1_WEN,PORT_A1_WEN}; |
| |
| wire PORT_A2_REN = C1EN; |
| wire PORT_A2_WEN = 1'b0; |
| wire [CFG_ENABLE_D-1:0] PORT_A2_BE = {PORT_A2_WEN,PORT_A2_WEN}; |
| |
| wire PORT_B1_REN = 1'b0; |
| wire PORT_B1_WEN = B1EN[0]; |
| wire [CFG_ENABLE_B-1:0] PORT_B1_BE = {B1EN[1],B1EN[0]}; |
| |
| wire PORT_B2_REN = 1'b0; |
| wire PORT_B2_WEN = D1EN[0]; |
| wire [CFG_ENABLE_D-1:0] PORT_B2_BE = {D1EN[1],D1EN[0]}; |
| |
| TDP36K bram_2x18k ( |
| .WDATA_A1_i(PORT_A1_WDATA), |
| .RDATA_A1_o(PORT_A1_RDATA), |
| .ADDR_A1_i(PORT_A1_ADDR), |
| .CLK_A1_i(PORT_A1_CLK), |
| .REN_A1_i(PORT_A1_REN), |
| .WEN_A1_i(PORT_A1_WEN), |
| .BE_A1_i(PORT_A1_BE), |
| |
| .WDATA_A2_i(PORT_A2_WDATA), |
| .RDATA_A2_o(PORT_A2_RDATA), |
| .ADDR_A2_i(PORT_A2_ADDR), |
| .CLK_A2_i(PORT_A2_CLK), |
| .REN_A2_i(PORT_A2_REN), |
| .WEN_A2_i(PORT_A2_WEN), |
| .BE_A2_i(PORT_A2_BE), |
| |
| .WDATA_B1_i(PORT_B1_WDATA), |
| .RDATA_B1_o(PORT_B1_RDATA), |
| .ADDR_B1_i(PORT_B1_ADDR), |
| .CLK_B1_i(PORT_B1_CLK), |
| .REN_B1_i(PORT_B1_REN), |
| .WEN_B1_i(PORT_B1_WEN), |
| .BE_B1_i(PORT_B1_BE), |
| |
| .WDATA_B2_i(PORT_B2_WDATA), |
| .RDATA_B2_o(PORT_B2_RDATA), |
| .ADDR_B2_i(PORT_B2_ADDR), |
| .CLK_B2_i(PORT_B2_CLK), |
| .REN_B2_i(PORT_B2_REN), |
| .WEN_B2_i(PORT_B2_WEN), |
| .BE_B2_i(PORT_B2_BE), |
| |
| .FLUSH1_i(FLUSH1), |
| .FLUSH2_i(FLUSH2) |
| ); |
| endmodule |
