projects / OpenSPARC-T2-DV / blame
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1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * OpenSPARC T2 Processor File: niu_siu_interface.h | |
| 5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
| 6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
| 7 | * | |
| 8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License as published by | |
| 12 | * the Free Software Foundation; version 2 of the License. | |
| 13 | * | |
| 14 | * This program is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | * GNU General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU General Public License | |
| 20 | * along with this program; if not, write to the Free Software | |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 22 | * | |
| 23 | * For the avoidance of doubt, and except that if any non-GPL license | |
| 24 | * choice is available it will apply instead, Sun elects to use only | |
| 25 | * the General Public License version 2 (GPLv2) at this time for any | |
| 26 | * software where a choice of GPL license versions is made | |
| 27 | * available with the language indicating that GPLv2 or any later version | |
| 28 | * may be used, or where a choice of which version of the GPL is applied is | |
| 29 | * otherwise unspecified. | |
| 30 | * | |
| 31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 32 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 33 | * have any questions. | |
| 34 | * | |
| 35 | * | |
| 36 | * ========== Copyright Header End ============================================ | |
| 37 | */ | |
| 38 | /* | |
| 39 | * ========== Copyright Header Begin ========================================== | |
| 40 | * | |
| 41 | * OpenSPARC T2 Processor File: niu_siu_interface.h | |
| 42 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
| 43 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
| 44 | * | |
| 45 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 46 | * | |
| 47 | * This program is free software; you can redistribute it and/or modify | |
| 48 | * it under the terms of the GNU General Public License as published by | |
| 49 | * the Free Software Foundation; version 2 of the License. | |
| 50 | * | |
| 51 | * This program is distributed in the hope that it will be useful, | |
| 52 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 53 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 54 | * GNU General Public License for more details. | |
| 55 | * | |
| 56 | * You should have received a copy of the GNU General Public License | |
| 57 | * along with this program; if not, write to the Free Software | |
| 58 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 59 | * | |
| 60 | * For the avoidance of doubt, and except that if any non-GPL license | |
| 61 | * choice is available it will apply instead, Sun elects to use only | |
| 62 | * the General Public License version 2 (GPLv2) at this time for any | |
| 63 | * software where a choice of GPL license versions is made | |
| 64 | * available with the language indicating that GPLv2 or any later version | |
| 65 | * may be used, or where a choice of which version of the GPL is applied is | |
| 66 | * otherwise unspecified. | |
| 67 | * | |
| 68 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 69 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 70 | * have any questions. | |
| 71 | * | |
| 72 | * | |
| 73 | * ========== Copyright Header End ============================================ | |
| 74 | */ | |
| 75 | #include <systemc.h> | |
| 76 | ||
| 77 | typedef unsigned long long int uint64_t; | |
| 78 | ||
| 79 | ||
| 80 | SC_MODULE(niu_siu_interface) { | |
| 81 | uint64_t rd_addr; | |
| 82 | uint64_t rd_addr_itr; | |
| 83 | uint64_t rd_size; | |
| 84 | uint64_t rd_size_mod; | |
| 85 | uint64_t rd_frag; | |
| 86 | ||
| 87 | uint64_t wr_addr; | |
| 88 | uint64_t wr_addr_itr; | |
| 89 | uint64_t wr_size; | |
| 90 | unsigned char wr_data[10000]; | |
| 91 | bool wr_busy; | |
| 92 | bool rd_busy; | |
| 93 | int wr_packet_state; | |
| 94 | ||
| 95 | int sii_bypass_credit; | |
| 96 | int sii_ordered_credit; | |
| 97 | int sii_request_id; | |
| 98 | ||
| 99 | int rd_request_ids[160]; | |
| 100 | int rd_request_chunks; | |
| 101 | ||
| 102 | sc_lv<128> sio_data[4]; | |
| 103 | sc_lv<128> sio_header; | |
| 104 | int response_id; | |
| 105 | int chunks; | |
| 106 | uint8_t rd_response[10000]; | |
| 107 | int rd_ptr; | |
| 108 | int reset; | |
| 109 | ||
| 110 | ||
| 111 | public: | |
| 112 | sc_in<bool> clk; | |
| 113 | ||
| 114 | sc_out<bool> niu_sii_hdr_vld; | |
| 115 | sc_out<bool> niu_sii_reqbypass; | |
| 116 | sc_out<sc_lv<128> > niu_sii_data; | |
| 117 | sc_out<bool> niu_sii_datareq; | |
| 118 | sc_out<sc_lv<8> > niu_sii_parity; | |
| 119 | sc_out<bool> niu_sio_dq; //credir to sio; 4 initial credits | |
| 120 | ||
| 121 | sc_in<sc_lv<128> > sio_niu_data; | |
| 122 | sc_in<sc_lv<8> > sio_niu_parity; | |
| 123 | sc_in<bool> sio_niu_datareq; | |
| 124 | sc_in<bool> sio_niu_hdr_vld; | |
| 125 | ||
| 126 | sc_in<bool> sii_niu_bqdq; //bypass queue credit; 16 initial credits | |
| 127 | sc_in<bool> sii_niu_oqdq; //ordered queue credit; 16 initial credits | |
| 128 | ||
| 129 | ||
| 130 | ||
| 131 | void ecc16(sc_lv<16> id, sc_lv<6> &ecc); | |
| 132 | void formHeader(uint64_t paddr, int write, sc_lv<128> &niu_sii_packet); | |
| 133 | void pa_parity_n(sc_lv<40> addr, sc_lv<2> &aparity); | |
| 134 | void formDataPacket(unsigned char *data, sc_lv<128> &niu_sii_packet, sc_lv<8> &niu_sii_parity); | |
| 135 | ||
| 136 | ||
| 137 | SC_CTOR(niu_siu_interface); | |
| 138 | ||
| 139 | void sii_interface(); | |
| 140 | void sio_interface(); | |
| 141 | ||
| 142 | }; | |
| 143 |