[6] | 1 | // ========== Copyright Header Begin ========================================== |
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| 2 | // |
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| 3 | // OpenSPARC T1 Processor File: bw_r_rf16x160.v |
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| 4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
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| 5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
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| 6 | // |
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| 7 | // The above named program is free software; you can redistribute it and/or |
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| 8 | // modify it under the terms of the GNU General Public |
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| 9 | // License version 2 as published by the Free Software Foundation. |
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| 10 | // |
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| 11 | // The above named program is distributed in the hope that it will be |
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| 12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | // General Public License for more details. |
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| 15 | // |
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| 16 | // You should have received a copy of the GNU General Public |
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| 17 | // License along with this work; if not, write to the Free Software |
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| 18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 19 | // |
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| 20 | // ========== Copyright Header End ============================================ |
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| 21 | //////////////////////////////////////////////////////////////////////// |
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| 22 | // 16 X 160 R1 W1 RF macro |
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| 23 | // REad/Write ports can be accessed in PH1 only. |
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| 24 | //////////////////////////////////////////////////////////////////////// |
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| 25 | |
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| 26 | //FPGA_SYN enables all FPGA related modifications |
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| 27 | `ifdef FPGA_SYN |
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| 28 | `define FPGA_SYN_16x160 |
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| 29 | `endif |
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| 30 | |
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| 31 | module bw_r_rf16x160(/*AUTOARG*/ |
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| 32 | // Outputs |
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| 33 | dout, so_w, so_r, |
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| 34 | // Inputs |
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| 35 | din, rd_adr, wr_adr, read_en, wr_en, rst_tri_en, word_wen, |
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| 36 | byte_wen, rd_clk, wr_clk, se, si_r, si_w, reset_l, sehold |
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| 37 | ); |
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| 38 | |
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| 39 | input [159:0] din; // data input |
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| 40 | input [3:0] rd_adr; // read addr |
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| 41 | input [3:0] wr_adr; // write addr |
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| 42 | input read_en; |
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| 43 | input wr_en; // used in conjunction with |
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| 44 | // word_wen and byte_wen |
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| 45 | input rst_tri_en ; // gates off writes during SCAN. |
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| 46 | input [3:0] word_wen; // word enables ( if you don't use these |
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| 47 | // tie them to Vdd ) |
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| 48 | input [19:0] byte_wen; // byte enables ( if you don't use these |
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| 49 | // tie them to Vdd ) |
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| 50 | input rd_clk; |
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| 51 | input wr_clk; |
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| 52 | input se, si_r, si_w ; |
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| 53 | input reset_l; |
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| 54 | input sehold; // hold scan in data. |
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| 55 | |
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| 56 | output [159:0] dout; |
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| 57 | output so_w; |
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| 58 | output so_r; |
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| 59 | |
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| 60 | |
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| 61 | // local signals |
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| 62 | reg [159:0] wrdata_d1; |
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| 63 | |
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| 64 | reg [3:0] rdptr_d1, wrptr_d1; |
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| 65 | reg ren_d1; |
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| 66 | reg wr_en_d1; |
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| 67 | |
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| 68 | |
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| 69 | `ifdef DEFINE_0IN |
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| 70 | wire so; |
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| 71 | `else |
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| 72 | wire so; |
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| 73 | |
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| 74 | `ifdef FPGA_SYN_16x160 |
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| 75 | `else |
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| 76 | reg [159:0] dout; |
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| 77 | // memory array |
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| 78 | reg [159:0] inq_ary [15:0]; |
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| 79 | `endif |
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| 80 | `endif |
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| 81 | |
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| 82 | // internal variable |
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| 83 | integer i, j; |
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| 84 | reg [159:0] temp, data_in, tmp_dout; |
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| 85 | reg [3:0] word_wen_d1; |
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| 86 | reg [3:0] word_wen_d2; |
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| 87 | reg [19:0] byte_wen_d1; |
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| 88 | reg rst_tri_en_d1; |
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| 89 | |
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| 90 | |
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| 91 | //------- |
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| 92 | |
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| 93 | always @ (posedge wr_clk) |
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| 94 | begin |
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| 95 | wrdata_d1[159:0] <= (sehold) ? wrdata_d1[159:0] : din[159:0]; |
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| 96 | wr_en_d1 <= (sehold) ? wr_en_d1 : wr_en; |
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| 97 | word_wen_d1[3:0] <= (sehold) ? word_wen_d1[3:0] : word_wen[3:0]; |
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| 98 | word_wen_d2[3:0] <= (sehold) ? word_wen_d2[3:0] : (word_wen[3:0] & |
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| 99 | {4{wr_en & ~rst_tri_en}}); |
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| 100 | byte_wen_d1[19:0] <= (sehold) ? byte_wen_d1[19:0] : byte_wen[19:0]; |
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| 101 | wrptr_d1[3:0] <= (sehold) ? wrptr_d1[3:0] : wr_adr[3:0]; |
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| 102 | |
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| 103 | rst_tri_en_d1 <= rst_tri_en ; // not a real flop. ONly used as a trigger. |
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| 104 | end |
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| 105 | //------- |
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| 106 | |
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| 107 | |
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| 108 | `ifdef DEFINE_0IN |
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| 109 | wire [159:0] bit_en_d1; |
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| 110 | |
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| 111 | assign bit_en_d1[0] = word_wen_d1[0] & byte_wen_d1[0] & ~rst_tri_en; |
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| 112 | assign bit_en_d1[1] = word_wen_d1[1] & byte_wen_d1[0] & ~rst_tri_en; |
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| 113 | assign bit_en_d1[2] = word_wen_d1[2] & byte_wen_d1[0] & ~rst_tri_en; |
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| 114 | assign bit_en_d1[3] = word_wen_d1[3] & byte_wen_d1[0] & ~rst_tri_en; |
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| 115 | assign bit_en_d1[4] = word_wen_d1[0] & byte_wen_d1[0] & ~rst_tri_en; |
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| 116 | assign bit_en_d1[5] = word_wen_d1[1] & byte_wen_d1[0] & ~rst_tri_en; |
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| 117 | assign bit_en_d1[6] = word_wen_d1[2] & byte_wen_d1[0] & ~rst_tri_en; |
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| 118 | assign bit_en_d1[7] = word_wen_d1[3] & byte_wen_d1[0] & ~rst_tri_en; |
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| 119 | assign bit_en_d1[8] = word_wen_d1[0] & byte_wen_d1[1] & ~rst_tri_en; |
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| 120 | assign bit_en_d1[9] = word_wen_d1[1] & byte_wen_d1[1] & ~rst_tri_en; |
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| 121 | assign bit_en_d1[10] = word_wen_d1[2] & byte_wen_d1[1] & ~rst_tri_en; |
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| 122 | assign bit_en_d1[11] = word_wen_d1[3] & byte_wen_d1[1] & ~rst_tri_en; |
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| 123 | assign bit_en_d1[12] = word_wen_d1[0] & byte_wen_d1[1] & ~rst_tri_en; |
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| 124 | assign bit_en_d1[13] = word_wen_d1[1] & byte_wen_d1[1] & ~rst_tri_en; |
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| 125 | assign bit_en_d1[14] = word_wen_d1[2] & byte_wen_d1[1] & ~rst_tri_en; |
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| 126 | assign bit_en_d1[15] = word_wen_d1[3] & byte_wen_d1[1] & ~rst_tri_en; |
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| 127 | assign bit_en_d1[16] = word_wen_d1[0] & byte_wen_d1[2] & ~rst_tri_en; |
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| 128 | assign bit_en_d1[17] = word_wen_d1[1] & byte_wen_d1[2] & ~rst_tri_en; |
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| 129 | assign bit_en_d1[18] = word_wen_d1[2] & byte_wen_d1[2] & ~rst_tri_en; |
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| 130 | assign bit_en_d1[19] = word_wen_d1[3] & byte_wen_d1[2] & ~rst_tri_en; |
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| 131 | assign bit_en_d1[20] = word_wen_d1[0] & byte_wen_d1[2] & ~rst_tri_en; |
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| 132 | assign bit_en_d1[21] = word_wen_d1[1] & byte_wen_d1[2] & ~rst_tri_en; |
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| 133 | assign bit_en_d1[22] = word_wen_d1[2] & byte_wen_d1[2] & ~rst_tri_en; |
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| 134 | assign bit_en_d1[23] = word_wen_d1[3] & byte_wen_d1[2] & ~rst_tri_en; |
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| 135 | assign bit_en_d1[24] = word_wen_d1[0] & byte_wen_d1[3] & ~rst_tri_en; |
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| 136 | assign bit_en_d1[25] = word_wen_d1[1] & byte_wen_d1[3] & ~rst_tri_en; |
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| 137 | assign bit_en_d1[26] = word_wen_d1[2] & byte_wen_d1[3] & ~rst_tri_en; |
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| 138 | assign bit_en_d1[27] = word_wen_d1[3] & byte_wen_d1[3] & ~rst_tri_en; |
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| 139 | assign bit_en_d1[28] = word_wen_d1[0] & byte_wen_d1[3] & ~rst_tri_en; |
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| 140 | assign bit_en_d1[29] = word_wen_d1[1] & byte_wen_d1[3] & ~rst_tri_en; |
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| 141 | assign bit_en_d1[30] = word_wen_d1[2] & byte_wen_d1[3] & ~rst_tri_en; |
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| 142 | assign bit_en_d1[31] = word_wen_d1[3] & byte_wen_d1[3] & ~rst_tri_en; |
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| 143 | assign bit_en_d1[32] = word_wen_d1[0] & byte_wen_d1[4] & ~rst_tri_en; |
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| 144 | assign bit_en_d1[33] = word_wen_d1[1] & byte_wen_d1[4] & ~rst_tri_en; |
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| 145 | assign bit_en_d1[34] = word_wen_d1[2] & byte_wen_d1[4] & ~rst_tri_en; |
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| 146 | assign bit_en_d1[35] = word_wen_d1[3] & byte_wen_d1[4] & ~rst_tri_en; |
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| 147 | assign bit_en_d1[36] = word_wen_d1[0] & byte_wen_d1[4] & ~rst_tri_en; |
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| 148 | assign bit_en_d1[37] = word_wen_d1[1] & byte_wen_d1[4] & ~rst_tri_en; |
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| 149 | assign bit_en_d1[38] = word_wen_d1[2] & byte_wen_d1[4] & ~rst_tri_en; |
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| 150 | assign bit_en_d1[39] = word_wen_d1[3] & byte_wen_d1[4] & ~rst_tri_en; |
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| 151 | assign bit_en_d1[40] = word_wen_d1[0] & byte_wen_d1[5] & ~rst_tri_en; |
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| 152 | assign bit_en_d1[41] = word_wen_d1[1] & byte_wen_d1[5] & ~rst_tri_en; |
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| 153 | assign bit_en_d1[42] = word_wen_d1[2] & byte_wen_d1[5] & ~rst_tri_en; |
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| 154 | assign bit_en_d1[43] = word_wen_d1[3] & byte_wen_d1[5] & ~rst_tri_en; |
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| 155 | assign bit_en_d1[44] = word_wen_d1[0] & byte_wen_d1[5] & ~rst_tri_en; |
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| 156 | assign bit_en_d1[45] = word_wen_d1[1] & byte_wen_d1[5] & ~rst_tri_en; |
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| 157 | assign bit_en_d1[46] = word_wen_d1[2] & byte_wen_d1[5] & ~rst_tri_en; |
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| 158 | assign bit_en_d1[47] = word_wen_d1[3] & byte_wen_d1[5] & ~rst_tri_en; |
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| 159 | assign bit_en_d1[48] = word_wen_d1[0] & byte_wen_d1[6] & ~rst_tri_en; |
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| 160 | assign bit_en_d1[49] = word_wen_d1[1] & byte_wen_d1[6] & ~rst_tri_en; |
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| 161 | assign bit_en_d1[50] = word_wen_d1[2] & byte_wen_d1[6] & ~rst_tri_en; |
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| 162 | assign bit_en_d1[51] = word_wen_d1[3] & byte_wen_d1[6] & ~rst_tri_en; |
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| 163 | assign bit_en_d1[52] = word_wen_d1[0] & byte_wen_d1[6] & ~rst_tri_en; |
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| 164 | assign bit_en_d1[53] = word_wen_d1[1] & byte_wen_d1[6] & ~rst_tri_en; |
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| 165 | assign bit_en_d1[54] = word_wen_d1[2] & byte_wen_d1[6] & ~rst_tri_en; |
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| 166 | assign bit_en_d1[55] = word_wen_d1[3] & byte_wen_d1[6] & ~rst_tri_en; |
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| 167 | assign bit_en_d1[56] = word_wen_d1[0] & byte_wen_d1[7] & ~rst_tri_en; |
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| 168 | assign bit_en_d1[57] = word_wen_d1[1] & byte_wen_d1[7] & ~rst_tri_en; |
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| 169 | assign bit_en_d1[58] = word_wen_d1[2] & byte_wen_d1[7] & ~rst_tri_en; |
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| 170 | assign bit_en_d1[59] = word_wen_d1[3] & byte_wen_d1[7] & ~rst_tri_en; |
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| 171 | assign bit_en_d1[60] = word_wen_d1[0] & byte_wen_d1[7] & ~rst_tri_en; |
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| 172 | assign bit_en_d1[61] = word_wen_d1[1] & byte_wen_d1[7] & ~rst_tri_en; |
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| 173 | assign bit_en_d1[62] = word_wen_d1[2] & byte_wen_d1[7] & ~rst_tri_en; |
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| 174 | assign bit_en_d1[63] = word_wen_d1[3] & byte_wen_d1[7] & ~rst_tri_en; |
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| 175 | assign bit_en_d1[64] = word_wen_d1[0] & byte_wen_d1[8] & ~rst_tri_en; |
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| 176 | assign bit_en_d1[65] = word_wen_d1[1] & byte_wen_d1[8] & ~rst_tri_en; |
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| 177 | assign bit_en_d1[66] = word_wen_d1[2] & byte_wen_d1[8] & ~rst_tri_en; |
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| 178 | assign bit_en_d1[67] = word_wen_d1[3] & byte_wen_d1[8] & ~rst_tri_en; |
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| 179 | assign bit_en_d1[68] = word_wen_d1[0] & byte_wen_d1[8] & ~rst_tri_en; |
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| 180 | assign bit_en_d1[69] = word_wen_d1[1] & byte_wen_d1[8] & ~rst_tri_en; |
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| 181 | assign bit_en_d1[70] = word_wen_d1[2] & byte_wen_d1[8] & ~rst_tri_en; |
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| 182 | assign bit_en_d1[71] = word_wen_d1[3] & byte_wen_d1[8] & ~rst_tri_en; |
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| 183 | assign bit_en_d1[72] = word_wen_d1[0] & byte_wen_d1[9] & ~rst_tri_en; |
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| 184 | assign bit_en_d1[73] = word_wen_d1[1] & byte_wen_d1[9] & ~rst_tri_en; |
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| 185 | assign bit_en_d1[74] = word_wen_d1[2] & byte_wen_d1[9] & ~rst_tri_en; |
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| 186 | assign bit_en_d1[75] = word_wen_d1[3] & byte_wen_d1[9] & ~rst_tri_en; |
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| 187 | assign bit_en_d1[76] = word_wen_d1[0] & byte_wen_d1[9] & ~rst_tri_en; |
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| 188 | assign bit_en_d1[77] = word_wen_d1[1] & byte_wen_d1[9] & ~rst_tri_en; |
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| 189 | assign bit_en_d1[78] = word_wen_d1[2] & byte_wen_d1[9] & ~rst_tri_en; |
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| 190 | assign bit_en_d1[79] = word_wen_d1[3] & byte_wen_d1[9] & ~rst_tri_en; |
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| 191 | assign bit_en_d1[80] = word_wen_d1[0] & byte_wen_d1[10] & ~rst_tri_en; |
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| 192 | assign bit_en_d1[81] = word_wen_d1[1] & byte_wen_d1[10] & ~rst_tri_en; |
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| 193 | assign bit_en_d1[82] = word_wen_d1[2] & byte_wen_d1[10] & ~rst_tri_en; |
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| 194 | assign bit_en_d1[83] = word_wen_d1[3] & byte_wen_d1[10] & ~rst_tri_en; |
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| 195 | assign bit_en_d1[84] = word_wen_d1[0] & byte_wen_d1[10] & ~rst_tri_en; |
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| 196 | assign bit_en_d1[85] = word_wen_d1[1] & byte_wen_d1[10] & ~rst_tri_en; |
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| 197 | assign bit_en_d1[86] = word_wen_d1[2] & byte_wen_d1[10] & ~rst_tri_en; |
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| 198 | assign bit_en_d1[87] = word_wen_d1[3] & byte_wen_d1[10] & ~rst_tri_en; |
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| 199 | assign bit_en_d1[88] = word_wen_d1[0] & byte_wen_d1[11] & ~rst_tri_en; |
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| 200 | assign bit_en_d1[89] = word_wen_d1[1] & byte_wen_d1[11] & ~rst_tri_en; |
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| 201 | assign bit_en_d1[90] = word_wen_d1[2] & byte_wen_d1[11] & ~rst_tri_en; |
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| 202 | assign bit_en_d1[91] = word_wen_d1[3] & byte_wen_d1[11] & ~rst_tri_en; |
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| 203 | assign bit_en_d1[92] = word_wen_d1[0] & byte_wen_d1[11] & ~rst_tri_en; |
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| 204 | assign bit_en_d1[93] = word_wen_d1[1] & byte_wen_d1[11] & ~rst_tri_en; |
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| 205 | assign bit_en_d1[94] = word_wen_d1[2] & byte_wen_d1[11] & ~rst_tri_en; |
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| 206 | assign bit_en_d1[95] = word_wen_d1[3] & byte_wen_d1[11] & ~rst_tri_en; |
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| 207 | assign bit_en_d1[96] = word_wen_d1[0] & byte_wen_d1[12] & ~rst_tri_en; |
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| 208 | assign bit_en_d1[97] = word_wen_d1[1] & byte_wen_d1[12] & ~rst_tri_en; |
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| 209 | assign bit_en_d1[98] = word_wen_d1[2] & byte_wen_d1[12] & ~rst_tri_en; |
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| 210 | assign bit_en_d1[99] = word_wen_d1[3] & byte_wen_d1[12] & ~rst_tri_en; |
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| 211 | assign bit_en_d1[100] = word_wen_d1[0] & byte_wen_d1[12] & ~rst_tri_en; |
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| 212 | assign bit_en_d1[101] = word_wen_d1[1] & byte_wen_d1[12] & ~rst_tri_en; |
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| 213 | assign bit_en_d1[102] = word_wen_d1[2] & byte_wen_d1[12] & ~rst_tri_en; |
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| 214 | assign bit_en_d1[103] = word_wen_d1[3] & byte_wen_d1[12] & ~rst_tri_en; |
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| 215 | assign bit_en_d1[104] = word_wen_d1[0] & byte_wen_d1[13] & ~rst_tri_en; |
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| 216 | assign bit_en_d1[105] = word_wen_d1[1] & byte_wen_d1[13] & ~rst_tri_en; |
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| 217 | assign bit_en_d1[106] = word_wen_d1[2] & byte_wen_d1[13] & ~rst_tri_en; |
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| 218 | assign bit_en_d1[107] = word_wen_d1[3] & byte_wen_d1[13] & ~rst_tri_en; |
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| 219 | assign bit_en_d1[108] = word_wen_d1[0] & byte_wen_d1[13] & ~rst_tri_en; |
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| 220 | assign bit_en_d1[109] = word_wen_d1[1] & byte_wen_d1[13] & ~rst_tri_en; |
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| 221 | assign bit_en_d1[110] = word_wen_d1[2] & byte_wen_d1[13] & ~rst_tri_en; |
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| 222 | assign bit_en_d1[111] = word_wen_d1[3] & byte_wen_d1[13] & ~rst_tri_en; |
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| 223 | assign bit_en_d1[112] = word_wen_d1[0] & byte_wen_d1[14] & ~rst_tri_en; |
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| 224 | assign bit_en_d1[113] = word_wen_d1[1] & byte_wen_d1[14] & ~rst_tri_en; |
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| 225 | assign bit_en_d1[114] = word_wen_d1[2] & byte_wen_d1[14] & ~rst_tri_en; |
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| 226 | assign bit_en_d1[115] = word_wen_d1[3] & byte_wen_d1[14] & ~rst_tri_en; |
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| 227 | assign bit_en_d1[116] = word_wen_d1[0] & byte_wen_d1[14] & ~rst_tri_en; |
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| 228 | assign bit_en_d1[117] = word_wen_d1[1] & byte_wen_d1[14] & ~rst_tri_en; |
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| 229 | assign bit_en_d1[118] = word_wen_d1[2] & byte_wen_d1[14] & ~rst_tri_en; |
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| 230 | assign bit_en_d1[119] = word_wen_d1[3] & byte_wen_d1[14] & ~rst_tri_en; |
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| 231 | assign bit_en_d1[120] = word_wen_d1[0] & byte_wen_d1[15] & ~rst_tri_en; |
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| 232 | assign bit_en_d1[121] = word_wen_d1[1] & byte_wen_d1[15] & ~rst_tri_en; |
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| 233 | assign bit_en_d1[122] = word_wen_d1[2] & byte_wen_d1[15] & ~rst_tri_en; |
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| 234 | assign bit_en_d1[123] = word_wen_d1[3] & byte_wen_d1[15] & ~rst_tri_en; |
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| 235 | assign bit_en_d1[124] = word_wen_d1[0] & byte_wen_d1[15] & ~rst_tri_en; |
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| 236 | assign bit_en_d1[125] = word_wen_d1[1] & byte_wen_d1[15] & ~rst_tri_en; |
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| 237 | assign bit_en_d1[126] = word_wen_d1[2] & byte_wen_d1[15] & ~rst_tri_en; |
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| 238 | assign bit_en_d1[127] = word_wen_d1[3] & byte_wen_d1[15] & ~rst_tri_en; |
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| 239 | assign bit_en_d1[128] = word_wen_d1[0] & byte_wen_d1[16] & ~rst_tri_en; |
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| 240 | assign bit_en_d1[129] = word_wen_d1[1] & byte_wen_d1[16] & ~rst_tri_en; |
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| 241 | assign bit_en_d1[130] = word_wen_d1[2] & byte_wen_d1[16] & ~rst_tri_en; |
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| 242 | assign bit_en_d1[131] = word_wen_d1[3] & byte_wen_d1[16] & ~rst_tri_en; |
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| 243 | assign bit_en_d1[132] = word_wen_d1[0] & byte_wen_d1[16] & ~rst_tri_en; |
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| 244 | assign bit_en_d1[133] = word_wen_d1[1] & byte_wen_d1[16] & ~rst_tri_en; |
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| 245 | assign bit_en_d1[134] = word_wen_d1[2] & byte_wen_d1[16] & ~rst_tri_en; |
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| 246 | assign bit_en_d1[135] = word_wen_d1[3] & byte_wen_d1[16] & ~rst_tri_en; |
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| 247 | assign bit_en_d1[136] = word_wen_d1[0] & byte_wen_d1[17] & ~rst_tri_en; |
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| 248 | assign bit_en_d1[137] = word_wen_d1[1] & byte_wen_d1[17] & ~rst_tri_en; |
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| 249 | assign bit_en_d1[138] = word_wen_d1[2] & byte_wen_d1[17] & ~rst_tri_en; |
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| 250 | assign bit_en_d1[139] = word_wen_d1[3] & byte_wen_d1[17] & ~rst_tri_en; |
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| 251 | assign bit_en_d1[140] = word_wen_d1[0] & byte_wen_d1[17] & ~rst_tri_en; |
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| 252 | assign bit_en_d1[141] = word_wen_d1[1] & byte_wen_d1[17] & ~rst_tri_en; |
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| 253 | assign bit_en_d1[142] = word_wen_d1[2] & byte_wen_d1[17] & ~rst_tri_en; |
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| 254 | assign bit_en_d1[143] = word_wen_d1[3] & byte_wen_d1[17] & ~rst_tri_en; |
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| 255 | assign bit_en_d1[144] = word_wen_d1[0] & byte_wen_d1[18] & ~rst_tri_en; |
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| 256 | assign bit_en_d1[145] = word_wen_d1[1] & byte_wen_d1[18] & ~rst_tri_en; |
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| 257 | assign bit_en_d1[146] = word_wen_d1[2] & byte_wen_d1[18] & ~rst_tri_en; |
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| 258 | assign bit_en_d1[147] = word_wen_d1[3] & byte_wen_d1[18] & ~rst_tri_en; |
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| 259 | assign bit_en_d1[148] = word_wen_d1[0] & byte_wen_d1[18] & ~rst_tri_en; |
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| 260 | assign bit_en_d1[149] = word_wen_d1[1] & byte_wen_d1[18] & ~rst_tri_en; |
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| 261 | assign bit_en_d1[150] = word_wen_d1[2] & byte_wen_d1[18] & ~rst_tri_en; |
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| 262 | assign bit_en_d1[151] = word_wen_d1[3] & byte_wen_d1[18] & ~rst_tri_en; |
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| 263 | assign bit_en_d1[152] = word_wen_d1[0] & byte_wen_d1[19] & ~rst_tri_en; |
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| 264 | assign bit_en_d1[153] = word_wen_d1[1] & byte_wen_d1[19] & ~rst_tri_en; |
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| 265 | assign bit_en_d1[154] = word_wen_d1[2] & byte_wen_d1[19] & ~rst_tri_en; |
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| 266 | assign bit_en_d1[155] = word_wen_d1[3] & byte_wen_d1[19] & ~rst_tri_en; |
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| 267 | assign bit_en_d1[156] = word_wen_d1[0] & byte_wen_d1[19] & ~rst_tri_en; |
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| 268 | assign bit_en_d1[157] = word_wen_d1[1] & byte_wen_d1[19] & ~rst_tri_en; |
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| 269 | assign bit_en_d1[158] = word_wen_d1[2] & byte_wen_d1[19] & ~rst_tri_en; |
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| 270 | assign bit_en_d1[159] = word_wen_d1[3] & byte_wen_d1[19] & ~rst_tri_en; |
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| 271 | `else |
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| 272 | |
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| 273 | `endif |
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| 274 | //------- |
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| 275 | |
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| 276 | always @ (posedge rd_clk) |
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| 277 | begin |
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| 278 | ren_d1 <= (sehold) ? ren_d1 : read_en; |
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| 279 | rdptr_d1[3:0] <= (sehold) ? rdptr_d1[3:0] : rd_adr[3:0]; |
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| 280 | end |
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| 281 | //------- |
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| 282 | |
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| 283 | |
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| 284 | `ifdef DEFINE_0IN |
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| 285 | rf16x160 rf16x160 ( .rdclk(rd_clk), .wrclk(~wr_clk), .radr(rdptr_d1), .wadr(wrptr_d1), .ren(ren_d1), |
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| 286 | .we(wr_en_d1), .wm(bit_en_d1), .din(wrdata_d1), .dout(dout) ); |
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| 287 | `else |
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| 288 | |
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| 289 | `ifdef FPGA_SYN_16x160 |
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| 290 | |
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| 291 | bw_r_rf16x2 arr0 ( |
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| 292 | .word_wen(word_wen_d2), |
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| 293 | .wen(byte_wen_d1[ 0]), |
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| 294 | .ren(ren_d1), |
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| 295 | .wr_addr(wrptr_d1), |
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| 296 | .rd_addr(rdptr_d1), |
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| 297 | .wr_data(wrdata_d1[ 7: 0]), |
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| 298 | .rd_data(dout[ 7: 0]), |
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| 299 | .clk(wr_clk), |
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| 300 | .rd_clk(rd_clk), |
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| 301 | .reset_l(reset_l)); |
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| 302 | |
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| 303 | bw_r_rf16x2 arr1 ( |
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| 304 | .word_wen(word_wen_d2), |
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| 305 | .wen(byte_wen_d1[ 1]), |
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| 306 | .ren(ren_d1), |
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| 307 | .wr_addr(wrptr_d1), |
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| 308 | .rd_addr(rdptr_d1), |
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| 309 | .wr_data(wrdata_d1[ 15: 8]), |
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| 310 | .rd_data(dout[ 15: 8]), |
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| 311 | .clk(wr_clk), |
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| 312 | .rd_clk(rd_clk), |
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| 313 | .reset_l(reset_l)); |
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| 314 | |
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| 315 | bw_r_rf16x2 arr2 ( |
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| 316 | .word_wen(word_wen_d2), |
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| 317 | .wen(byte_wen_d1[ 2]), |
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| 318 | .ren(ren_d1), |
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| 319 | .wr_addr(wrptr_d1), |
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| 320 | .rd_addr(rdptr_d1), |
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| 321 | .wr_data(wrdata_d1[ 23: 16]), |
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| 322 | .rd_data(dout[ 23: 16]), |
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| 323 | .clk(wr_clk), |
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| 324 | .rd_clk(rd_clk), |
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| 325 | .reset_l(reset_l)); |
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| 326 | |
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| 327 | bw_r_rf16x2 arr3 ( |
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| 328 | .word_wen(word_wen_d2), |
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| 329 | .wen(byte_wen_d1[ 3]), |
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| 330 | .ren(ren_d1), |
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| 331 | .wr_addr(wrptr_d1), |
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| 332 | .rd_addr(rdptr_d1), |
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| 333 | .wr_data(wrdata_d1[ 31: 24]), |
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| 334 | .rd_data(dout[ 31: 24]), |
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| 335 | .clk(wr_clk), |
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| 336 | .rd_clk(rd_clk), |
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| 337 | .reset_l(reset_l)); |
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| 338 | |
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| 339 | bw_r_rf16x2 arr4 ( |
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| 340 | .word_wen(word_wen_d2), |
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| 341 | .wen(byte_wen_d1[ 4]), |
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| 342 | .ren(ren_d1), |
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| 343 | .wr_addr(wrptr_d1), |
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| 344 | .rd_addr(rdptr_d1), |
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| 345 | .wr_data(wrdata_d1[ 39: 32]), |
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| 346 | .rd_data(dout[ 39: 32]), |
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| 347 | .clk(wr_clk), |
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| 348 | .rd_clk(rd_clk), |
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| 349 | .reset_l(reset_l)); |
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| 350 | |
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| 351 | bw_r_rf16x2 arr5 ( |
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| 352 | .word_wen(word_wen_d2), |
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| 353 | .wen(byte_wen_d1[ 5]), |
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| 354 | .ren(ren_d1), |
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| 355 | .wr_addr(wrptr_d1), |
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| 356 | .rd_addr(rdptr_d1), |
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| 357 | .wr_data(wrdata_d1[ 47: 40]), |
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| 358 | .rd_data(dout[ 47: 40]), |
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| 359 | .clk(wr_clk), |
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| 360 | .rd_clk(rd_clk), |
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| 361 | .reset_l(reset_l)); |
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| 362 | |
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| 363 | bw_r_rf16x2 arr6 ( |
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| 364 | .word_wen(word_wen_d2), |
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| 365 | .wen(byte_wen_d1[ 6]), |
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| 366 | .ren(ren_d1), |
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| 367 | .wr_addr(wrptr_d1), |
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| 368 | .rd_addr(rdptr_d1), |
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| 369 | .wr_data(wrdata_d1[ 55: 48]), |
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| 370 | .rd_data(dout[ 55: 48]), |
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| 371 | .clk(wr_clk), |
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| 372 | .rd_clk(rd_clk), |
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| 373 | .reset_l(reset_l)); |
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| 374 | |
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| 375 | bw_r_rf16x2 arr7 ( |
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| 376 | .word_wen(word_wen_d2), |
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| 377 | .wen(byte_wen_d1[ 7]), |
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| 378 | .ren(ren_d1), |
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| 379 | .wr_addr(wrptr_d1), |
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| 380 | .rd_addr(rdptr_d1), |
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| 381 | .wr_data(wrdata_d1[ 63: 56]), |
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| 382 | .rd_data(dout[ 63: 56]), |
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| 383 | .clk(wr_clk), |
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| 384 | .rd_clk(rd_clk), |
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| 385 | .reset_l(reset_l)); |
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| 386 | |
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| 387 | bw_r_rf16x2 arr8 ( |
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| 388 | .word_wen(word_wen_d2), |
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| 389 | .wen(byte_wen_d1[ 8]), |
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| 390 | .ren(ren_d1), |
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| 391 | .wr_addr(wrptr_d1), |
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| 392 | .rd_addr(rdptr_d1), |
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| 393 | .wr_data(wrdata_d1[ 71: 64]), |
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| 394 | .rd_data(dout[ 71: 64]), |
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| 395 | .clk(wr_clk), |
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| 396 | .rd_clk(rd_clk), |
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| 397 | .reset_l(reset_l)); |
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| 398 | |
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| 399 | bw_r_rf16x2 arr9 ( |
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| 400 | .word_wen(word_wen_d2), |
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| 401 | .wen(byte_wen_d1[ 9]), |
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| 402 | .ren(ren_d1), |
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| 403 | .wr_addr(wrptr_d1), |
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| 404 | .rd_addr(rdptr_d1), |
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| 405 | .wr_data(wrdata_d1[ 79: 72]), |
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| 406 | .rd_data(dout[ 79: 72]), |
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| 407 | .clk(wr_clk), |
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| 408 | .rd_clk(rd_clk), |
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| 409 | .reset_l(reset_l)); |
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| 410 | |
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| 411 | bw_r_rf16x2 arr10( |
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| 412 | .word_wen(word_wen_d2), |
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| 413 | .wen(byte_wen_d1[10]), |
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| 414 | .ren(ren_d1), |
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| 415 | .wr_addr(wrptr_d1), |
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| 416 | .rd_addr(rdptr_d1), |
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| 417 | .wr_data(wrdata_d1[ 87: 80]), |
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| 418 | .rd_data(dout[ 87: 80]), |
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| 419 | .clk(wr_clk), |
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| 420 | .rd_clk(rd_clk), |
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| 421 | .reset_l(reset_l)); |
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| 422 | |
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| 423 | bw_r_rf16x2 arr11( |
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| 424 | .word_wen(word_wen_d2), |
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| 425 | .wen(byte_wen_d1[11]), |
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| 426 | .ren(ren_d1), |
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| 427 | .wr_addr(wrptr_d1), |
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| 428 | .rd_addr(rdptr_d1), |
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| 429 | .wr_data(wrdata_d1[ 95: 88]), |
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| 430 | .rd_data(dout[ 95: 88]), |
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| 431 | .clk(wr_clk), |
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| 432 | .rd_clk(rd_clk), |
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| 433 | .reset_l(reset_l)); |
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| 434 | |
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| 435 | bw_r_rf16x2 arr12( |
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| 436 | .word_wen(word_wen_d2), |
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| 437 | .wen(byte_wen_d1[12]), |
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| 438 | .ren(ren_d1), |
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| 439 | .wr_addr(wrptr_d1), |
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| 440 | .rd_addr(rdptr_d1), |
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| 441 | .wr_data(wrdata_d1[103: 96]), |
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| 442 | .rd_data(dout[103: 96]), |
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| 443 | .clk(wr_clk), |
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| 444 | .rd_clk(rd_clk), |
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| 445 | .reset_l(reset_l)); |
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| 446 | |
---|
| 447 | bw_r_rf16x2 arr13( |
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| 448 | .word_wen(word_wen_d2), |
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| 449 | .wen(byte_wen_d1[13]), |
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| 450 | .ren(ren_d1), |
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| 451 | .wr_addr(wrptr_d1), |
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| 452 | .rd_addr(rdptr_d1), |
---|
| 453 | .wr_data(wrdata_d1[111:104]), |
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| 454 | .rd_data(dout[111:104]), |
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| 455 | .clk(wr_clk), |
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| 456 | .rd_clk(rd_clk), |
---|
| 457 | .reset_l(reset_l)); |
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| 458 | |
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| 459 | bw_r_rf16x2 arr14( |
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| 460 | .word_wen(word_wen_d2), |
---|
| 461 | .wen(byte_wen_d1[14]), |
---|
| 462 | .ren(ren_d1), |
---|
| 463 | .wr_addr(wrptr_d1), |
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| 464 | .rd_addr(rdptr_d1), |
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| 465 | .wr_data(wrdata_d1[119:112]), |
---|
| 466 | .rd_data(dout[119:112]), |
---|
| 467 | .clk(wr_clk), |
---|
| 468 | .rd_clk(rd_clk), |
---|
| 469 | .reset_l(reset_l)); |
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| 470 | |
---|
| 471 | bw_r_rf16x2 arr15( |
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| 472 | .word_wen(word_wen_d2), |
---|
| 473 | .wen(byte_wen_d1[15]), |
---|
| 474 | .ren(ren_d1), |
---|
| 475 | .wr_addr(wrptr_d1), |
---|
| 476 | .rd_addr(rdptr_d1), |
---|
| 477 | .wr_data(wrdata_d1[127:120]), |
---|
| 478 | .rd_data(dout[127:120]), |
---|
| 479 | .clk(wr_clk), |
---|
| 480 | .rd_clk(rd_clk), |
---|
| 481 | .reset_l(reset_l)); |
---|
| 482 | |
---|
| 483 | bw_r_rf16x2 arr16( |
---|
| 484 | .word_wen(word_wen_d2), |
---|
| 485 | .wen(byte_wen_d1[16]), |
---|
| 486 | .ren(ren_d1), |
---|
| 487 | .wr_addr(wrptr_d1), |
---|
| 488 | .rd_addr(rdptr_d1), |
---|
| 489 | .wr_data(wrdata_d1[135:128]), |
---|
| 490 | .rd_data(dout[135:128]), |
---|
| 491 | .clk(wr_clk), |
---|
| 492 | .rd_clk(rd_clk), |
---|
| 493 | .reset_l(reset_l)); |
---|
| 494 | |
---|
| 495 | bw_r_rf16x2 arr17( |
---|
| 496 | .word_wen(word_wen_d2), |
---|
| 497 | .wen(byte_wen_d1[17]), |
---|
| 498 | .ren(ren_d1), |
---|
| 499 | .wr_addr(wrptr_d1), |
---|
| 500 | .rd_addr(rdptr_d1), |
---|
| 501 | .wr_data(wrdata_d1[143:136]), |
---|
| 502 | .rd_data(dout[143:136]), |
---|
| 503 | .clk(wr_clk), |
---|
| 504 | .rd_clk(rd_clk), |
---|
| 505 | .reset_l(reset_l)); |
---|
| 506 | |
---|
| 507 | bw_r_rf16x2 arr18( |
---|
| 508 | .word_wen(word_wen_d2), |
---|
| 509 | .wen(byte_wen_d1[18]), |
---|
| 510 | .ren(ren_d1), |
---|
| 511 | .wr_addr(wrptr_d1), |
---|
| 512 | .rd_addr(rdptr_d1), |
---|
| 513 | .wr_data(wrdata_d1[151:144]), |
---|
| 514 | .rd_data(dout[151:144]), |
---|
| 515 | .clk(wr_clk), |
---|
| 516 | .rd_clk(rd_clk), |
---|
| 517 | .reset_l(reset_l)); |
---|
| 518 | |
---|
| 519 | bw_r_rf16x2 arr19( |
---|
| 520 | .word_wen(word_wen_d2), |
---|
| 521 | .wen(byte_wen_d1[19]), |
---|
| 522 | .ren(ren_d1), |
---|
| 523 | .wr_addr(wrptr_d1), |
---|
| 524 | .rd_addr(rdptr_d1), |
---|
| 525 | .wr_data(wrdata_d1[159:152]), |
---|
| 526 | .rd_data(dout[159:152]), |
---|
| 527 | .clk(wr_clk), |
---|
| 528 | .rd_clk(rd_clk), |
---|
| 529 | .reset_l(reset_l)); |
---|
| 530 | |
---|
| 531 | |
---|
| 532 | `else |
---|
| 533 | // |
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| 534 | // Read Operation |
---|
| 535 | // |
---|
| 536 | |
---|
| 537 | always @(/*AUTOSENSE*/ /*memory or*/ byte_wen_d1 or rdptr_d1 |
---|
| 538 | or ren_d1 or reset_l or rst_tri_en_d1 or word_wen_d1 |
---|
| 539 | or wr_en_d1 or wrptr_d1) |
---|
| 540 | begin |
---|
| 541 | if (reset_l) |
---|
| 542 | begin |
---|
| 543 | if (ren_d1==1'b1) |
---|
| 544 | begin |
---|
| 545 | // Checking for Xs on the rd pointer input when read is enabled |
---|
| 546 | |
---|
| 547 | // synopsys translate_off |
---|
| 548 | |
---|
| 549 | `ifdef INNO_MUXEX |
---|
| 550 | `else |
---|
| 551 | if (rdptr_d1 == 4'bx) |
---|
| 552 | begin |
---|
| 553 | $error("rf_error"," read pointer error %h ", rdptr_d1[3:0]); |
---|
| 554 | end |
---|
| 555 | `endif |
---|
| 556 | |
---|
| 557 | // synopsys translate_on |
---|
| 558 | |
---|
| 559 | tmp_dout = inq_ary[rdptr_d1] ; |
---|
| 560 | j = 0; |
---|
| 561 | |
---|
| 562 | for (i=0; i<= 159; i=i+8) |
---|
| 563 | begin |
---|
| 564 | if (rdptr_d1 == wrptr_d1) |
---|
| 565 | begin |
---|
| 566 | //dout[i] = (wr_en_d1 & bit_en_d1[i]) ? 1'bx : tmp_dout[i]; |
---|
| 567 | |
---|
| 568 | dout[i] = (wr_en_d1 & word_wen_d1[0] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
| 569 | 1'bx : tmp_dout[i] ; |
---|
| 570 | dout[i+1] = (wr_en_d1 & word_wen_d1[1] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
| 571 | 1'bx : tmp_dout[i+1] ; |
---|
| 572 | dout[i+2] = (wr_en_d1 & word_wen_d1[2] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
| 573 | 1'bx : tmp_dout[i+2] ; |
---|
| 574 | dout[i+3] = (wr_en_d1 & word_wen_d1[3] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
| 575 | 1'bx : tmp_dout[i+3] ; |
---|
| 576 | dout[i+4] = (wr_en_d1 & word_wen_d1[0] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
| 577 | 1'bx : tmp_dout[i+4] ; |
---|
| 578 | dout[i+5] = (wr_en_d1 & word_wen_d1[1] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
| 579 | 1'bx : tmp_dout[i+5] ; |
---|
| 580 | dout[i+6] = (wr_en_d1 & word_wen_d1[2] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
| 581 | 1'bx : tmp_dout[i+6] ; |
---|
| 582 | dout[i+7] = (wr_en_d1 & word_wen_d1[3] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
| 583 | 1'bx : tmp_dout[i+7] ; |
---|
| 584 | j = j+1; |
---|
| 585 | end |
---|
| 586 | else |
---|
| 587 | begin |
---|
| 588 | //dout[i] = tmp_dout[i] ; |
---|
| 589 | dout[i] = tmp_dout[i] ; |
---|
| 590 | dout[i+1] = tmp_dout[i+1] ; |
---|
| 591 | dout[i+2] = tmp_dout[i+2] ; |
---|
| 592 | dout[i+3] = tmp_dout[i+3] ; |
---|
| 593 | dout[i+4] = tmp_dout[i+4] ; |
---|
| 594 | dout[i+5] = tmp_dout[i+5] ; |
---|
| 595 | dout[i+6] = tmp_dout[i+6] ; |
---|
| 596 | dout[i+7] = tmp_dout[i+7] ; |
---|
| 597 | end |
---|
| 598 | end |
---|
| 599 | end |
---|
| 600 | end |
---|
| 601 | else dout[159:0] = 160'b0 ; |
---|
| 602 | end // always @ (... |
---|
| 603 | |
---|
| 604 | |
---|
| 605 | |
---|
| 606 | // |
---|
| 607 | // Write Operation |
---|
| 608 | // |
---|
| 609 | always @ (/*AUTOSENSE*/byte_wen_d1 or reset_l or rst_tri_en_d1 |
---|
| 610 | or word_wen_d1 or wr_en_d1 or wrdata_d1 or wrptr_d1) |
---|
| 611 | begin |
---|
| 612 | if (reset_l) |
---|
| 613 | begin |
---|
| 614 | // Checking for Xs on bit write enables that are derived from |
---|
| 615 | // the word_enables and wr enable input. |
---|
| 616 | |
---|
| 617 | // synopsys translate_off |
---|
| 618 | |
---|
| 619 | `ifdef INNO_MUXEX |
---|
| 620 | `else |
---|
| 621 | if (wr_en_d1 == 1'bx) |
---|
| 622 | begin |
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| 623 | $error("rf_error"," write enable error %h ", wr_en_d1); |
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| 624 | end |
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| 625 | if (word_wen_d1 == 4'bx) |
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| 626 | begin |
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| 627 | $error("rf_error"," word enable error %h ", word_wen_d1[3:0]); |
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| 628 | end |
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| 629 | if (byte_wen_d1 == 20'bx) |
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| 630 | begin |
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| 631 | $error("rf_error"," byte enable error %h ", byte_wen_d1[19:0]); |
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| 632 | end |
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| 633 | `endif |
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| 634 | |
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| 635 | // synopsys translate_on |
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| 636 | |
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| 637 | if (wr_en_d1 & ~rst_tri_en) |
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| 638 | begin |
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| 639 | |
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| 640 | // synopsys translate_off |
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| 641 | |
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| 642 | `ifdef INNO_MUXEX |
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| 643 | `else |
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| 644 | if (wrptr_d1 == 4'bx) |
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| 645 | begin |
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| 646 | $error("rf_error"," write pointer error %h ", wrptr_d1[3:0]); |
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| 647 | end |
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| 648 | `endif |
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| 649 | |
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| 650 | // synopsys translate_on |
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| 651 | |
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| 652 | temp = inq_ary[wrptr_d1]; |
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| 653 | j = 0; |
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| 654 | |
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| 655 | for (i=0; i<=159; i=i+8) |
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| 656 | begin |
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| 657 | //data_in[i] = (bit_en_d1[i]) ? wrdata_d1[i] : temp[i] ; |
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| 658 | data_in[i] = (wr_en_d1 & word_wen_d1[0] & byte_wen_d1[j] & ~rst_tri_en) ? |
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| 659 | wrdata_d1[i] : temp[i] ; |
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| 660 | data_in[i+1] = (wr_en_d1 & word_wen_d1[1] & byte_wen_d1[j] & ~rst_tri_en) ? |
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| 661 | wrdata_d1[i+1] : temp[i+1] ; |
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| 662 | data_in[i+2] = (wr_en_d1 & word_wen_d1[2] & byte_wen_d1[j] & ~rst_tri_en) ? |
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| 663 | wrdata_d1[i+2] : temp[i+2] ; |
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| 664 | data_in[i+3] = (wr_en_d1 & word_wen_d1[3] & byte_wen_d1[j] & ~rst_tri_en) ? |
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| 665 | wrdata_d1[i+3] : temp[i+3] ; |
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| 666 | data_in[i+4] = (wr_en_d1 & word_wen_d1[0] & byte_wen_d1[j] & ~rst_tri_en) ? |
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| 667 | wrdata_d1[i+4] : temp[i+4] ; |
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| 668 | data_in[i+5] = (wr_en_d1 & word_wen_d1[1] & byte_wen_d1[j] & ~rst_tri_en) ? |
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| 669 | wrdata_d1[i+5] : temp[i+5] ; |
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| 670 | data_in[i+6] = (wr_en_d1 & word_wen_d1[2] & byte_wen_d1[j] & ~rst_tri_en) ? |
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| 671 | wrdata_d1[i+6] : temp[i+6] ; |
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| 672 | data_in[i+7] = (wr_en_d1 & word_wen_d1[3] & byte_wen_d1[j] & ~rst_tri_en) ? |
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| 673 | wrdata_d1[i+7] : temp[i+7] ; |
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| 674 | j = j+1; |
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| 675 | end |
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| 676 | inq_ary[wrptr_d1] = data_in ; |
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| 677 | end |
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| 678 | end |
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| 679 | end // always @ (... |
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| 680 | |
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| 681 | `endif |
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| 682 | `endif |
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| 683 | |
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| 684 | endmodule // rf_16x160 |
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| 685 | |
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| 686 | `ifdef FPGA_SYN_16x160 |
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| 687 | |
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| 688 | module bw_r_rf16x2(word_wen, wen, ren, wr_addr, rd_addr, wr_data, |
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| 689 | rd_data, clk, rd_clk, reset_l); |
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| 690 | input [3:0] word_wen; |
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| 691 | input wen; |
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| 692 | input ren; |
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| 693 | input [3:0] wr_addr; |
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| 694 | input [3:0] rd_addr; |
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| 695 | input [7:0] wr_data; |
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| 696 | output [7:0] rd_data; |
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| 697 | input clk; |
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| 698 | input rd_clk; |
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| 699 | input reset_l; |
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| 700 | |
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| 701 | reg [7:0] rd_data_temp; |
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| 702 | |
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| 703 | reg [1:0] inq_ary0[15:0]; |
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| 704 | reg [1:0] inq_ary1[15:0]; |
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| 705 | reg [1:0] inq_ary2[15:0]; |
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| 706 | reg [1:0] inq_ary3[15:0]; |
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| 707 | |
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| 708 | always @(posedge clk) begin |
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| 709 | if(reset_l & wen & word_wen[0]) |
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| 710 | inq_ary0[wr_addr] = {wr_data[4],wr_data[0]}; |
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| 711 | if(reset_l & wen & word_wen[1]) |
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| 712 | inq_ary1[wr_addr] = {wr_data[5],wr_data[1]}; |
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| 713 | if(reset_l & wen & word_wen[2]) |
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| 714 | inq_ary2[wr_addr] = {wr_data[6],wr_data[2]}; |
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| 715 | if(reset_l & wen & word_wen[3]) |
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| 716 | inq_ary3[wr_addr] = {wr_data[7],wr_data[3]}; |
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| 717 | end |
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| 718 | |
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| 719 | always @(negedge rd_clk) begin |
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| 720 | if (~reset_l) begin |
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| 721 | rd_data_temp = 8'b0; |
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| 722 | end else if(ren == 1'b1) begin |
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| 723 | rd_data_temp = {inq_ary3[rd_addr], inq_ary2[rd_addr], inq_ary1[rd_addr], inq_ary0[rd_addr]}; |
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| 724 | end |
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| 725 | end |
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| 726 | |
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| 727 | assign rd_data = {rd_data_temp[7], rd_data_temp[5], rd_data_temp[3], |
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| 728 | rd_data_temp[1], rd_data_temp[6], rd_data_temp[4], |
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| 729 | rd_data_temp[2], rd_data_temp[0]}; |
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| 730 | |
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| 731 | endmodule |
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| 732 | `endif |
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| 733 | |
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| 734 | |
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