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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: dmu_imu_rds_intx_default_grp.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_imu_rds_intx_default_grp | |
36 | ( | |
37 | clk, | |
38 | intx_status_reg_select, | |
39 | intx_status_reg_ext_read_data, | |
40 | int_a_int_clr_reg_clr_hw_ld, | |
41 | int_a_int_clr_reg_clr_hw_write, | |
42 | int_a_int_clr_reg_clr_hw_read, | |
43 | int_a_int_clr_reg_select_pulse, | |
44 | int_b_int_clr_reg_clr_hw_ld, | |
45 | int_b_int_clr_reg_clr_hw_write, | |
46 | int_b_int_clr_reg_clr_hw_read, | |
47 | int_b_int_clr_reg_select_pulse, | |
48 | int_c_int_clr_reg_clr_hw_ld, | |
49 | int_c_int_clr_reg_clr_hw_write, | |
50 | int_c_int_clr_reg_clr_hw_read, | |
51 | int_c_int_clr_reg_select_pulse, | |
52 | int_d_int_clr_reg_clr_hw_ld, | |
53 | int_d_int_clr_reg_clr_hw_write, | |
54 | int_d_int_clr_reg_clr_hw_read, | |
55 | int_d_int_clr_reg_select_pulse, | |
56 | rst_l, | |
57 | daemon_csrbus_wr_in, | |
58 | daemon_csrbus_wr_data_in, | |
59 | read_data_0_out | |
60 | ); | |
61 | ||
62 | //==================================================== | |
63 | // Polarity declarations | |
64 | //==================================================== | |
65 | input clk; // Clock signal | |
66 | input intx_status_reg_select; // select | |
67 | input [`FIRE_CSRBUS_DATA_WIDTH - 1:0] intx_status_reg_ext_read_data; | |
68 | // Read Data | |
69 | input int_a_int_clr_reg_clr_hw_ld; // Hardware load enable for | |
70 | // int_a_int_clr_reg_clr. When set, <hw | |
71 | // write signal> will be loaded into | |
72 | // int_a_int_clr_reg. | |
73 | input int_a_int_clr_reg_clr_hw_write; // data bus for hw loading of | |
74 | // int_a_int_clr_reg_clr. | |
75 | output int_a_int_clr_reg_clr_hw_read; // This signal provides the current value | |
76 | // of int_a_int_clr_reg_clr. | |
77 | input int_a_int_clr_reg_select_pulse; // select | |
78 | input int_b_int_clr_reg_clr_hw_ld; // Hardware load enable for | |
79 | // int_b_int_clr_reg_clr. When set, <hw | |
80 | // write signal> will be loaded into | |
81 | // int_b_int_clr_reg. | |
82 | input int_b_int_clr_reg_clr_hw_write; // data bus for hw loading of | |
83 | // int_b_int_clr_reg_clr. | |
84 | output int_b_int_clr_reg_clr_hw_read; // This signal provides the current value | |
85 | // of int_b_int_clr_reg_clr. | |
86 | input int_b_int_clr_reg_select_pulse; // select | |
87 | input int_c_int_clr_reg_clr_hw_ld; // Hardware load enable for | |
88 | // int_c_int_clr_reg_clr. When set, <hw | |
89 | // write signal> will be loaded into | |
90 | // int_c_int_clr_reg. | |
91 | input int_c_int_clr_reg_clr_hw_write; // data bus for hw loading of | |
92 | // int_c_int_clr_reg_clr. | |
93 | output int_c_int_clr_reg_clr_hw_read; // This signal provides the current value | |
94 | // of int_c_int_clr_reg_clr. | |
95 | input int_c_int_clr_reg_select_pulse; // select | |
96 | input int_d_int_clr_reg_clr_hw_ld; // Hardware load enable for | |
97 | // int_d_int_clr_reg_clr. When set, <hw | |
98 | // write signal> will be loaded into | |
99 | // int_d_int_clr_reg. | |
100 | input int_d_int_clr_reg_clr_hw_write; // data bus for hw loading of | |
101 | // int_d_int_clr_reg_clr. | |
102 | output int_d_int_clr_reg_clr_hw_read; // This signal provides the current value | |
103 | // of int_d_int_clr_reg_clr. | |
104 | input int_d_int_clr_reg_select_pulse; // select | |
105 | input rst_l; // HW reset | |
106 | input daemon_csrbus_wr_in; // csrbus_wr | |
107 | input [`FIRE_CSRBUS_DATA_WIDTH-1:0] daemon_csrbus_wr_data_in; // SW write data | |
108 | output [`FIRE_CSRBUS_DATA_WIDTH - 1:0] read_data_0_out; // Read Data | |
109 | ||
110 | //==================================================== | |
111 | // Type declarations | |
112 | //==================================================== | |
113 | wire clk; // Clock signal | |
114 | wire intx_status_reg_select; // select | |
115 | wire [`FIRE_CSRBUS_DATA_WIDTH - 1:0] intx_status_reg_ext_read_data; | |
116 | // Read Data | |
117 | wire int_a_int_clr_reg_clr_hw_ld; // Hardware load enable for | |
118 | // int_a_int_clr_reg_clr. When set, <hw write | |
119 | // signal> will be loaded into | |
120 | // int_a_int_clr_reg. | |
121 | wire int_a_int_clr_reg_clr_hw_write; // data bus for hw loading of | |
122 | // int_a_int_clr_reg_clr. | |
123 | wire int_a_int_clr_reg_clr_hw_read; // This signal provides the current value | |
124 | // of int_a_int_clr_reg_clr. | |
125 | wire int_a_int_clr_reg_select_pulse; // select | |
126 | wire int_b_int_clr_reg_clr_hw_ld; // Hardware load enable for | |
127 | // int_b_int_clr_reg_clr. When set, <hw write | |
128 | // signal> will be loaded into | |
129 | // int_b_int_clr_reg. | |
130 | wire int_b_int_clr_reg_clr_hw_write; // data bus for hw loading of | |
131 | // int_b_int_clr_reg_clr. | |
132 | wire int_b_int_clr_reg_clr_hw_read; // This signal provides the current value | |
133 | // of int_b_int_clr_reg_clr. | |
134 | wire int_b_int_clr_reg_select_pulse; // select | |
135 | wire int_c_int_clr_reg_clr_hw_ld; // Hardware load enable for | |
136 | // int_c_int_clr_reg_clr. When set, <hw write | |
137 | // signal> will be loaded into | |
138 | // int_c_int_clr_reg. | |
139 | wire int_c_int_clr_reg_clr_hw_write; // data bus for hw loading of | |
140 | // int_c_int_clr_reg_clr. | |
141 | wire int_c_int_clr_reg_clr_hw_read; // This signal provides the current value | |
142 | // of int_c_int_clr_reg_clr. | |
143 | wire int_c_int_clr_reg_select_pulse; // select | |
144 | wire int_d_int_clr_reg_clr_hw_ld; // Hardware load enable for | |
145 | // int_d_int_clr_reg_clr. When set, <hw write | |
146 | // signal> will be loaded into | |
147 | // int_d_int_clr_reg. | |
148 | wire int_d_int_clr_reg_clr_hw_write; // data bus for hw loading of | |
149 | // int_d_int_clr_reg_clr. | |
150 | wire int_d_int_clr_reg_clr_hw_read; // This signal provides the current value | |
151 | // of int_d_int_clr_reg_clr. | |
152 | wire int_d_int_clr_reg_select_pulse; // select | |
153 | wire rst_l; // HW reset | |
154 | wire daemon_csrbus_wr_in; // csrbus_wr | |
155 | wire [`FIRE_CSRBUS_DATA_WIDTH-1:0] daemon_csrbus_wr_data_in; // SW write data | |
156 | wire [`FIRE_CSRBUS_DATA_WIDTH - 1:0] read_data_0_out; // Read Data | |
157 | ||
158 | ||
159 | //==================================================== | |
160 | // Local signals | |
161 | //==================================================== | |
162 | //----- For CSR register: int_a_int_clr_reg | |
163 | wire [`FIRE_DLC_IMU_RDS_INTX_CSR_INT_A_INT_CLR_REG_WIDTH-1:0] int_a_int_clr_reg_csrbus_read_data; | |
164 | // Entry Based Read Data | |
165 | ||
166 | //----- For CSR register: int_b_int_clr_reg | |
167 | wire [`FIRE_DLC_IMU_RDS_INTX_CSR_INT_B_INT_CLR_REG_WIDTH-1:0] int_b_int_clr_reg_csrbus_read_data; | |
168 | // Entry Based Read Data | |
169 | ||
170 | //----- For CSR register: int_c_int_clr_reg | |
171 | wire [`FIRE_DLC_IMU_RDS_INTX_CSR_INT_C_INT_CLR_REG_WIDTH-1:0] int_c_int_clr_reg_csrbus_read_data; | |
172 | // Entry Based Read Data | |
173 | ||
174 | //----- For CSR register: int_d_int_clr_reg | |
175 | wire [`FIRE_DLC_IMU_RDS_INTX_CSR_INT_D_INT_CLR_REG_WIDTH-1:0] int_d_int_clr_reg_csrbus_read_data; | |
176 | // Entry Based Read Data | |
177 | ||
178 | //==================================================== | |
179 | // Assignments only (first stage) | |
180 | //==================================================== | |
181 | wire [`FIRE_CSRBUS_DATA_WIDTH-1:0] daemon_csrbus_wr_data = daemon_csrbus_wr_data_in; | |
182 | wire daemon_csrbus_wr = daemon_csrbus_wr_in; | |
183 | ||
184 | //==================================================== | |
185 | // Automatic hw_ld / hw_write | |
186 | //==================================================== | |
187 | ||
188 | //==================================================== | |
189 | // Extern select | |
190 | //==================================================== | |
191 | ||
192 | //===================================================== | |
193 | // OUTPUT: read_data_out | |
194 | //===================================================== | |
195 | dmu_imu_rds_intx_csrpipe_5 dmu_imu_rds_intx_csrpipe_5_inst_1 | |
196 | ( | |
197 | .clk (clk), | |
198 | .rst_l (rst_l), | |
199 | .reg_in (1'b1), | |
200 | .reg_out (1'b1), | |
201 | .data0 (intx_status_reg_ext_read_data), | |
202 | .sel0 (intx_status_reg_select), | |
203 | .data1 (int_a_int_clr_reg_csrbus_read_data), | |
204 | .sel1 (int_a_int_clr_reg_select_pulse), | |
205 | .data2 (int_b_int_clr_reg_csrbus_read_data), | |
206 | .sel2 (int_b_int_clr_reg_select_pulse), | |
207 | .data3 (int_c_int_clr_reg_csrbus_read_data), | |
208 | .sel3 (int_c_int_clr_reg_select_pulse), | |
209 | .data4 (int_d_int_clr_reg_csrbus_read_data), | |
210 | .sel4 (int_d_int_clr_reg_select_pulse), | |
211 | .out (read_data_0_out) | |
212 | ); | |
213 | ||
214 | ||
215 | //==================================================== | |
216 | // Instantiation of registers | |
217 | //==================================================== | |
218 | ||
219 | wire int_a_int_clr_reg_w_ld =int_a_int_clr_reg_select_pulse & daemon_csrbus_wr; | |
220 | ||
221 | dmu_imu_rds_intx_csr_int_a_int_clr_reg int_a_int_clr_reg | |
222 | ( | |
223 | .clk (clk), | |
224 | .rst_l (rst_l), | |
225 | .int_a_int_clr_reg_w_ld (int_a_int_clr_reg_w_ld), | |
226 | .csrbus_wr_data (daemon_csrbus_wr_data), | |
227 | .int_a_int_clr_reg_csrbus_read_data (int_a_int_clr_reg_csrbus_read_data), | |
228 | .int_a_int_clr_reg_clr_hw_ld (int_a_int_clr_reg_clr_hw_ld), | |
229 | .int_a_int_clr_reg_clr_hw_write (int_a_int_clr_reg_clr_hw_write), | |
230 | .int_a_int_clr_reg_clr_hw_read (int_a_int_clr_reg_clr_hw_read) | |
231 | ); | |
232 | ||
233 | wire int_b_int_clr_reg_w_ld =int_b_int_clr_reg_select_pulse & daemon_csrbus_wr; | |
234 | ||
235 | dmu_imu_rds_intx_csr_int_b_int_clr_reg int_b_int_clr_reg | |
236 | ( | |
237 | .clk (clk), | |
238 | .rst_l (rst_l), | |
239 | .int_b_int_clr_reg_w_ld (int_b_int_clr_reg_w_ld), | |
240 | .csrbus_wr_data (daemon_csrbus_wr_data), | |
241 | .int_b_int_clr_reg_csrbus_read_data (int_b_int_clr_reg_csrbus_read_data), | |
242 | .int_b_int_clr_reg_clr_hw_ld (int_b_int_clr_reg_clr_hw_ld), | |
243 | .int_b_int_clr_reg_clr_hw_write (int_b_int_clr_reg_clr_hw_write), | |
244 | .int_b_int_clr_reg_clr_hw_read (int_b_int_clr_reg_clr_hw_read) | |
245 | ); | |
246 | ||
247 | wire int_c_int_clr_reg_w_ld =int_c_int_clr_reg_select_pulse & daemon_csrbus_wr; | |
248 | ||
249 | dmu_imu_rds_intx_csr_int_c_int_clr_reg int_c_int_clr_reg | |
250 | ( | |
251 | .clk (clk), | |
252 | .rst_l (rst_l), | |
253 | .int_c_int_clr_reg_w_ld (int_c_int_clr_reg_w_ld), | |
254 | .csrbus_wr_data (daemon_csrbus_wr_data), | |
255 | .int_c_int_clr_reg_csrbus_read_data (int_c_int_clr_reg_csrbus_read_data), | |
256 | .int_c_int_clr_reg_clr_hw_ld (int_c_int_clr_reg_clr_hw_ld), | |
257 | .int_c_int_clr_reg_clr_hw_write (int_c_int_clr_reg_clr_hw_write), | |
258 | .int_c_int_clr_reg_clr_hw_read (int_c_int_clr_reg_clr_hw_read) | |
259 | ); | |
260 | ||
261 | wire int_d_int_clr_reg_w_ld =int_d_int_clr_reg_select_pulse & daemon_csrbus_wr; | |
262 | ||
263 | dmu_imu_rds_intx_csr_int_d_int_clr_reg int_d_int_clr_reg | |
264 | ( | |
265 | .clk (clk), | |
266 | .rst_l (rst_l), | |
267 | .int_d_int_clr_reg_w_ld (int_d_int_clr_reg_w_ld), | |
268 | .csrbus_wr_data (daemon_csrbus_wr_data), | |
269 | .int_d_int_clr_reg_csrbus_read_data (int_d_int_clr_reg_csrbus_read_data), | |
270 | .int_d_int_clr_reg_clr_hw_ld (int_d_int_clr_reg_clr_hw_ld), | |
271 | .int_d_int_clr_reg_clr_hw_write (int_d_int_clr_reg_clr_hw_write), | |
272 | .int_d_int_clr_reg_clr_hw_read (int_d_int_clr_reg_clr_hw_read) | |
273 | ); | |
274 | ||
275 | endmodule // dmu_imu_rds_intx_default_grp |