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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: dmu_pmu.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 | module dmu_pmu ( | |
36 | clk, | |
37 | rst_l, | |
38 | ||
39 | // Debug Ports | |
40 | cr2pm_dbg_sel_a, // PMU debug select a | |
41 | pm2cr_dbg_a, // PMU debug output a | |
42 | cr2pm_dbg_sel_b, // PMU debug select b | |
43 | pm2cr_dbg_b, // PMU debug output b | |
44 | ||
45 | cm2pm_rcd_enq, | |
46 | cm2pm_rcd, | |
47 | pm2cm_rcd_full, | |
48 | pm2cl_rcd_enq, | |
49 | pm2cl_rcd, | |
50 | cl2pm_rcd_full, | |
51 | pm2ps_i_req, | |
52 | ps2pm_i_gnt, | |
53 | pm2ps_i_trn, | |
54 | ps2pm_i_n_trn, | |
55 | pm2ps_i_cmd_type, | |
56 | ps2pm_i_full, | |
57 | pm2ps_i_wr_data, | |
58 | ps2pm_i_rd_data | |
59 | ); | |
60 | ||
61 | //************************************************ | |
62 | // PARAMETERS | |
63 | //************************************************ | |
64 | ||
65 | // parameter CM2PM_WDTH = `FIRE_DLC_IPR_REC_WDTH, //92 | |
66 | // PM2CL_WDTH = `FIRE_DLC_ICR_REC_WDTH, //59 | |
67 | ||
68 | parameter PM2PS_RCDWDTH = 41, | |
69 | PSCMDTYPE_WDTH = 4, | |
70 | PSITRN_WDTH = 5, | |
71 | //BP n2 5-24-04 | |
72 | // PSRDWDTH = 6, | |
73 | PSRDWDTH = 7, | |
74 | PSCMDTRN_WDTH = 5; | |
75 | ||
76 | parameter IPRMSB = `FIRE_DLC_IPR_MSB, // CM2PM_WDTH -1, | |
77 | ICRMSB = `FIRE_DLC_ICR_MSB, // PM2CL_WDTH -1, | |
78 | PSRCDMSB = PM2PS_RCDWDTH -1, | |
79 | PSCMDTYPMSB = PSCMDTYPE_WDTH -1, | |
80 | PSITRNMSB = PSITRN_WDTH -1, | |
81 | PSRDMSB = PSRDWDTH -1, | |
82 | PSCMDTRNMSB = PSCMDTRN_WDTH -1; | |
83 | ||
84 | ||
85 | //************************************************ | |
86 | // PORTS | |
87 | //************************************************ | |
88 | ||
89 | input clk; // The input clock | |
90 | input rst_l; // The fifo rst_l | |
91 | ||
92 | input cm2pm_rcd_enq; // enqueue to packet record queue | |
93 | input [IPRMSB :0] cm2pm_rcd; // packet record in | |
94 | output pm2cm_rcd_full; // packet record full flag | |
95 | ||
96 | output pm2cl_rcd_enq; // enqueue to output command record | |
97 | output [ICRMSB :0] pm2cl_rcd; // command record out | |
98 | input cl2pm_rcd_full; // CLU record fifo full | |
99 | ||
100 | output [PSITRNMSB :0] pm2ps_i_trn; | |
101 | ||
102 | output pm2ps_i_req; // PSB request | |
103 | input ps2pm_i_gnt; // PSB grant to request | |
104 | input [PSCMDTRNMSB : 0] ps2pm_i_n_trn; // returned transaction number | |
105 | output [PSCMDTYPMSB : 0] pm2ps_i_cmd_type; // command for PSB to run | |
106 | input ps2pm_i_full; // PSB is full | |
107 | output [PSRCDMSB :0] pm2ps_i_wr_data; // data put on PSB | |
108 | ||
109 | input [PSRDMSB :0] ps2pm_i_rd_data; | |
110 | ||
111 | // Debug Ports | |
112 | input [`FIRE_DLC_PMU_DS_BITS] cr2pm_dbg_sel_a; // PMU debug select a | |
113 | input [`FIRE_DLC_PMU_DS_BITS] cr2pm_dbg_sel_b; // PMU debug select b | |
114 | ||
115 | output [`FIRE_DBG_DATA_BITS] pm2cr_dbg_a; // PMU debug output a | |
116 | output [`FIRE_DBG_DATA_BITS] pm2cr_dbg_b; // PMU debug output b | |
117 | ||
118 | //************************************************ | |
119 | // SIGNALS | |
120 | //************************************************ | |
121 | ||
122 | wire clk; | |
123 | wire rst_l; | |
124 | wire pm2cm_rcd_full; | |
125 | wire cl2pm_rcd_full; | |
126 | wire cm2pm_rcd_enq; | |
127 | wire pm2cl_rcd_enq; | |
128 | ||
129 | wire pm2ps_i_req; | |
130 | wire ps2pm_i_gnt; | |
131 | wire [PSITRNMSB :0] pm2ps_i_trn; | |
132 | wire [PSCMDTRNMSB : 0] ps2pm_i_n_trn; | |
133 | wire [PSCMDTYPMSB : 0] pm2ps_i_cmd_type; | |
134 | wire ps2pm_i_full; | |
135 | wire [PSRCDMSB : 0] pm2ps_i_wr_data; | |
136 | wire [PSRDMSB :0] ps2pm_i_rd_data; | |
137 | ||
138 | // Debug | |
139 | wire [`FIRE_DLC_PMU_DS_BITS] cr2pm_dbg_sel_a; // PMU debug select a | |
140 | wire [`FIRE_DLC_PMU_DS_BITS] cr2pm_dbg_sel_b; // PMU debug select b | |
141 | wire [`FIRE_DBG_DATA_BITS] pm2cr_dbg_a; // PMU debug output a | |
142 | wire [`FIRE_DBG_DATA_BITS] pm2cr_dbg_b; // PMU debug output b | |
143 | ||
144 | //************************************************ | |
145 | // MODULES | |
146 | //************************************************ | |
147 | ||
148 | dmu_pmu_prm prm ( | |
149 | .clk (clk), | |
150 | .rst_l (rst_l), | |
151 | ||
152 | // // Debug | |
153 | .cr2pm_dbg_sel_a (cr2pm_dbg_sel_a), | |
154 | .cr2pm_dbg_sel_b (cr2pm_dbg_sel_b), | |
155 | .pm2cr_dbg_a (pm2cr_dbg_a), | |
156 | .pm2cr_dbg_b (pm2cr_dbg_b), | |
157 | ||
158 | .cm2pm_rcd_enq (cm2pm_rcd_enq), | |
159 | .cm2pm_rcd(cm2pm_rcd), | |
160 | .pm2cm_rcd_full (pm2cm_rcd_full), | |
161 | .pm2cl_rcd_enq (pm2cl_rcd_enq), | |
162 | .pm2cl_rcd (pm2cl_rcd), | |
163 | .cl2pm_rcd_full (cl2pm_rcd_full), | |
164 | .pm2ps_i_req(pm2ps_i_req), | |
165 | .ps2pm_i_gnt(ps2pm_i_gnt), | |
166 | .pm2ps_i_trn(pm2ps_i_trn), | |
167 | .ps2pm_i_n_trn(ps2pm_i_n_trn), | |
168 | .pm2ps_i_cmd_type(pm2ps_i_cmd_type), | |
169 | .ps2pm_i_full(ps2pm_i_full), | |
170 | .pm2ps_i_wr_data(pm2ps_i_wr_data), | |
171 | .ps2pm_i_rd_data(ps2pm_i_rd_data) | |
172 | ); | |
173 | ||
174 | endmodule | |
175 | ||
176 |