| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: niu_zcp_fflp_intf.v |
| 4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 6 | // |
| 7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 8 | // |
| 9 | // This program is free software; you can redistribute it and/or modify |
| 10 | // it under the terms of the GNU General Public License as published by |
| 11 | // the Free Software Foundation; version 2 of the License. |
| 12 | // |
| 13 | // This program is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | // GNU General Public License for more details. |
| 17 | // |
| 18 | // You should have received a copy of the GNU General Public License |
| 19 | // along with this program; if not, write to the Free Software |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | // |
| 22 | // For the avoidance of doubt, and except that if any non-GPL license |
| 23 | // choice is available it will apply instead, Sun elects to use only |
| 24 | // the General Public License version 2 (GPLv2) at this time for any |
| 25 | // software where a choice of GPL license versions is made |
| 26 | // available with the language indicating that GPLv2 or any later version |
| 27 | // may be used, or where a choice of which version of the GPL is applied is |
| 28 | // otherwise unspecified. |
| 29 | // |
| 30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 31 | // CA 95054 USA or visit www.sun.com if you need additional information or |
| 32 | // have any questions. |
| 33 | // |
| 34 | // ========== Copyright Header End ============================================ |
| 35 | /*%W% %G%*/ |
| 36 | |
| 37 | /*************************************************************** |
| 38 | * |
| 39 | * File Name : niu_zcp_fflp_intf.v |
| 40 | * Author Name : John Lo |
| 41 | * Description : niu_zcp_fflp_intf |
| 42 | * Parent Module: |
| 43 | * Child Module: |
| 44 | * Interface Mod: |
| 45 | * Date Created : 3/18/05 |
| 46 | * |
| 47 | * Copyright (c) 2020, Sun Microsystems, Inc. |
| 48 | * Sun Proprietary and Confidential |
| 49 | * |
| 50 | * Modification : |
| 51 | * |
| 52 | * Synthesis Notes: |
| 53 | * |
| 54 | * Design Notes: When adding more CAL states DON'T forget to |
| 55 | * modify tt_atomic_op. |
| 56 | * |
| 57 | * |
| 58 | **************************************************************/ |
| 59 | |
| 60 | |
| 61 | module niu_zcp_fflp_intf |
| 62 | (/*AUTOARG*/ |
| 63 | // Outputs |
| 64 | ififo_ren, ififo_dout, ififo_overrun, ififo_state, |
| 65 | // Inputs |
| 66 | clk, fflp_reset, fflp_zcp_wr, fflp_zcp_data |
| 67 | ); |
| 68 | |
| 69 | |
| 70 | input clk; |
| 71 | input [5:0] fflp_reset; |
| 72 | input [4:0] fflp_zcp_wr; |
| 73 | input [`IFIFO_W_R] fflp_zcp_data;// 27 bytes = 216 bits |
| 74 | // outputs |
| 75 | output [2:0] ififo_ren; |
| 76 | output [`IFIFO_W_R] ififo_dout; |
| 77 | output ififo_overrun; |
| 78 | output [2:0] ififo_state; |
| 79 | |
| 80 | wire [2:0] ififo_ren; |
| 81 | wire [5:0] reset = fflp_reset; |
| 82 | |
| 83 | /*AUTOWIRE*/ |
| 84 | // Beginning of automatic wires (for undeclared instantiated-module outputs) |
| 85 | wire empty; // From niu_zcp_fflp_ififo of niu_zcp_ififo.v |
| 86 | wire ififo_ren1; // From niu_zcp_ififo_sm of niu_zcp_ififo_sm.v |
| 87 | // End of automatics |
| 88 | |
| 89 | niu_zcp_ififo niu_zcp_fflp_ififo |
| 90 | (/*AUTOINST*/ |
| 91 | // Outputs |
| 92 | .ififo_dout (ififo_dout[`IFIFO_W_R]), |
| 93 | .empty (empty), |
| 94 | .ififo_overrun (ififo_overrun), |
| 95 | // Inputs |
| 96 | .clk (clk), |
| 97 | .reset (reset[4:0]), |
| 98 | .ififo_ren1 (ififo_ren1), |
| 99 | .fflp_zcp_wr (fflp_zcp_wr[4:0]), |
| 100 | .fflp_zcp_data (fflp_zcp_data[`IFIFO_W_R])); |
| 101 | |
| 102 | niu_zcp_ififo_sm niu_zcp_ififo_sm |
| 103 | (/*AUTOINST*/ |
| 104 | // Outputs |
| 105 | .ififo_ren1 (ififo_ren1), |
| 106 | .ififo_ren (ififo_ren[2:0]), |
| 107 | .ififo_state (ififo_state[2:0]), |
| 108 | // Inputs |
| 109 | .clk (clk), |
| 110 | .reset (reset[5]), |
| 111 | .empty (empty)); |
| 112 | |
| 113 | |
| 114 | |
| 115 | endmodule // niu_zcp_fflp_intf |
| 116 | |