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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: ncu_i2cbuf32_ctl.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 | `define RF_RDEN_OFFSTATE 1'b1 | |
36 | ||
37 | //==================================== | |
38 | `define NCU_INTMANRF_DEPTH 128 | |
39 | `define NCU_INTMANRF_DATAWIDTH 16 | |
40 | `define NCU_INTMANRF_ADDRWIDTH 7 | |
41 | //==================================== | |
42 | ||
43 | //==================================== | |
44 | `define NCU_MONDORF_DEPTH 64 | |
45 | `define NCU_MONDORF_DATAWIDTH 72 | |
46 | `define NCU_MONDORF_ADDRWIDTH 6 | |
47 | //==================================== | |
48 | ||
49 | //==================================== | |
50 | `define NCU_CPUBUFRF_DEPTH 32 | |
51 | `define NCU_CPUBUFRF_DATAWIDTH 144 | |
52 | `define NCU_CPUBUFRF_ADDRWIDTH 5 | |
53 | //==================================== | |
54 | ||
55 | //==================================== | |
56 | `define NCU_IOBUFRF_DEPTH 32 | |
57 | `define NCU_IOBUFRF_DATAWIDTH 144 | |
58 | `define NCU_IOBUFRF_ADDRWIDTH 5 | |
59 | //==================================== | |
60 | ||
61 | //==================================== | |
62 | `define NCU_IOBUF1RF_DEPTH 32 | |
63 | `define NCU_IOBUF1RF_DATAWIDTH 32 | |
64 | `define NCU_IOBUF1RF_ADDRWIDTH 5 | |
65 | //==================================== | |
66 | ||
67 | //==================================== | |
68 | `define NCU_INTBUFRF_DEPTH 32 | |
69 | `define NCU_INTBUFRF_DATAWIDTH 144 | |
70 | `define NCU_INTBUFRF_ADDRWIDTH 5 | |
71 | //==================================== | |
72 | ||
73 | //== fix me : need to remove when warm // | |
74 | //== becomes available // | |
75 | `define WMR_LENGTH 10'd999 | |
76 | `define WMR_LENGTH_P1 10'd1000 | |
77 | ||
78 | //// NCU CSR_MAN address 80_0000_xxxx //// | |
79 | `define NCU_CSR_MAN 16'h0000 | |
80 | `define NCU_CREG_INTMAN 16'h0000 | |
81 | //`define NCU_CREG_INTVECDISP 16'h0800 | |
82 | `define NCU_CREG_MONDOINVEC 16'h0a00 | |
83 | `define NCU_CREG_SERNUM 16'h1000 | |
84 | `define NCU_CREG_FUSESTAT 16'h1008 | |
85 | `define NCU_CREG_COREAVAIL 16'h1010 | |
86 | `define NCU_CREG_BANKAVAIL 16'h1018 | |
87 | `define NCU_CREG_BANK_ENABLE 16'h1020 | |
88 | `define NCU_CREG_BANK_ENABLE_STATUS 16'h1028 | |
89 | `define NCU_CREG_L2_HASH_ENABLE 16'h1030 | |
90 | `define NCU_CREG_L2_HASH_ENABLE_STATUS 16'h1038 | |
91 | ||
92 | ||
93 | `define NCU_CREG_MEM32_BASE 16'h2000 | |
94 | `define NCU_CREG_MEM32_MASK 16'h2008 | |
95 | `define NCU_CREG_MEM64_BASE 16'h2010 | |
96 | `define NCU_CREG_MEM64_MASK 16'h2018 | |
97 | `define NCU_CREG_IOCON_BASE 16'h2020 | |
98 | `define NCU_CREG_IOCON_MASK 16'h2028 | |
99 | `define NCU_CREG_MMUFSH 16'h2030 | |
100 | ||
101 | `define NCU_CREG_ESR 16'h3000 | |
102 | `define NCU_CREG_ELE 16'h3008 | |
103 | `define NCU_CREG_EIE 16'h3010 | |
104 | `define NCU_CREG_EJR 16'h3018 | |
105 | `define NCU_CREG_FEE 16'h3020 | |
106 | `define NCU_CREG_PER 16'h3028 | |
107 | `define NCU_CREG_SIISYN 16'h3030 | |
108 | `define NCU_CREG_NCUSYN 16'h3038 | |
109 | `define NCU_CREG_SCKSEL 16'h3040 | |
110 | `define NCU_CREG_DBGTRIG_EN 16'h4000 | |
111 | ||
112 | //// NUC CSR_MONDO address 80_0004_xxxx //// | |
113 | `define NCU_CSR_MONDO 16'h0004 | |
114 | `define NCU_CREG_MDATA0 16'h0000 | |
115 | `define NCU_CREG_MDATA1 16'h0200 | |
116 | `define NCU_CREG_MDATA0_ALIAS 16'h0400 | |
117 | `define NCU_CREG_MDATA1_ALIAS 16'h0600 | |
118 | `define NCU_CREG_MBUSY 16'h0800 | |
119 | `define NCU_CREG_MBUSY_ALIAS 16'h0a00 | |
120 | ||
121 | ||
122 | ||
123 | // ASI shared reg 90_xxxx_xxxx// | |
124 | `define NCU_ASI_A_HIT 10'h104 // 6-bits cpuid and thread id are "x" | |
125 | `define NCU_ASI_B_HIT 10'h1CC // 6-bits cpuid and thread id are "x" | |
126 | `define NCU_ASI_C_HIT 10'h114 // 6-bits cpuid and thread id are "x" | |
127 | `define NCU_ASI_COREAVAIL 16'h0000 | |
128 | `define NCU_ASI_CORE_ENABLE_STATUS 16'h0010 | |
129 | `define NCU_ASI_CORE_ENABLE 16'h0020 | |
130 | `define NCU_ASI_XIR_STEERING 16'h0030 | |
131 | `define NCU_ASI_CORE_RUNNINGRW 16'h0050 | |
132 | `define NCU_ASI_CORE_RUNNING_STATUS 16'h0058 | |
133 | `define NCU_ASI_CORE_RUNNING_W1S 16'h0060 | |
134 | `define NCU_ASI_CORE_RUNNING_W1C 16'h0068 | |
135 | `define NCU_ASI_INTVECDISP 16'h0000 | |
136 | `define NCU_ASI_ERR_STR 16'h1000 | |
137 | `define NCU_ASI_WMR_VEC_MASK 16'h0018 | |
138 | `define NCU_ASI_CMP_TICK_ENABLE 16'h0038 | |
139 | ||
140 | ||
141 | //// UCB packet type //// | |
142 | `define UCB_READ_NACK 4'b0000 // ack/nack types | |
143 | `define UCB_READ_ACK 4'b0001 | |
144 | `define UCB_WRITE_ACK 4'b0010 | |
145 | `define UCB_IFILL_ACK 4'b0011 | |
146 | `define UCB_IFILL_NACK 4'b0111 | |
147 | ||
148 | `define UCB_READ_REQ 4'b0100 // req types | |
149 | `define UCB_WRITE_REQ 4'b0101 | |
150 | `define UCB_IFILL_REQ 4'b0110 | |
151 | ||
152 | `define UCB_INT 4'b1000 // plain interrupt | |
153 | `define UCB_INT_VEC 4'b1100 // interrupt with vector | |
154 | `define UCB_INT_SOC_UE 4'b1001 // soc interrup ue | |
155 | `define UCB_INT_SOC_CE 4'b1010 // soc interrup ce | |
156 | `define UCB_RESET_VEC 4'b0101 // reset with vector | |
157 | `define UCB_IDLE_VEC 4'b1110 // idle with vector | |
158 | `define UCB_RESUME_VEC 4'b1111 // resume with vector | |
159 | ||
160 | `define UCB_INT_SOC 4'b1101 // soc interrup ce | |
161 | ||
162 | ||
163 | //// PCX packet type //// | |
164 | `define PCX_LOAD_RQ 5'b00000 | |
165 | `define PCX_IMISS_RQ 5'b10000 | |
166 | `define PCX_STORE_RQ 5'b00001 | |
167 | `define PCX_FWD_RQs 5'b01101 | |
168 | `define PCX_FWD_RPYs 5'b01110 | |
169 | ||
170 | //// CPX packet type //// | |
171 | //`define CPX_LOAD_RET 4'b0000 | |
172 | `define CPX_LOAD_RET 4'b1000 | |
173 | `define CPX_ST_ACK 4'b0100 | |
174 | //`define CPX_IFILL_RET 4'b0001 | |
175 | `define CPX_IFILL_RET 4'b1001 | |
176 | `define CPX_INT_RET 4'b0111 | |
177 | `define CPX_INT_SOC 4'b1101 | |
178 | //`define CPX_FWD_RQ_RET 4'b1010 | |
179 | //`define CPX_FWD_RPY_RET 4'b1011 | |
180 | ||
181 | ||
182 | ||
183 | ||
184 | //// Global CSR decode //// | |
185 | `define NCU_CSR 8'h80 | |
186 | `define NIU_CSR 8'h81 | |
187 | //`define RNG_CSR 8'h82 | |
188 | `define DBG1_CSR 8'h86 | |
189 | `define CCU_CSR 8'h83 | |
190 | `define MCU_CSR 8'h84 | |
191 | `define TCU_CSR 8'h85 | |
192 | `define DMU_CSR 8'h88 | |
193 | `define RCU_CSR 8'h89 | |
194 | `define NCU_ASI 8'h90 | |
195 | /////8'h91 ~ 9F reserved | |
196 | /////8'hA0 ~ BF L2 CSR//// | |
197 | `define DMU_PIO 4'hC // C0 ~ CF | |
198 | /////8'hB0 ~ FE reserved | |
199 | `define SSI_CSR 8'hFF | |
200 | ||
201 | ||
202 | //// NCU_SSI //// | |
203 | `define SSI_ADDR 12'hFF_F | |
204 | `define SSI_ADDR_TIMEOUT_REG 40'hFF_0001_0088 | |
205 | `define SSI_ADDR_LOG_REG 40'hFF_0000_0018 | |
206 | ||
207 | `define IF_IDLE 2'b00 | |
208 | `define IF_ACPT 2'b01 | |
209 | `define IF_DROP 2'b10 | |
210 | ||
211 | `define SSI_IDLE 3'b000 | |
212 | `define SSI_REQ 3'b001 | |
213 | `define SSI_WDATA 3'b011 | |
214 | `define SSI_REQ_PAR 3'b101 | |
215 | `define SSI_ACK 3'b111 | |
216 | `define SSI_RDATA 3'b110 | |
217 | `define SSI_ACK_PAR 3'b010 | |
218 | ||
219 | ||
220 | ||
221 | ||
222 | ||
223 | ||
224 | ||
225 | ||
226 | ||
227 | ||
228 | module ncu_i2cbuf32_ctl ( | |
229 | iol2clk, | |
230 | scan_in, | |
231 | scan_out, | |
232 | tcu_pce_ov, | |
233 | tcu_clk_stop, | |
234 | tcu_scan_en, | |
235 | tcu_aclk, | |
236 | tcu_bclk, | |
237 | tcu_dbr_gateoff, | |
238 | ucb_iob_vld, | |
239 | ucb_iob_data, | |
240 | iob_ucb_stall, | |
241 | req_ack_obj, | |
242 | req_ack_vld, | |
243 | rd_req_ack_dbl_buf, | |
244 | int_obj, | |
245 | int_vld, | |
246 | rd_int_dbl_buf) ; | |
247 | wire stall_d1_n; | |
248 | wire stall_d1; | |
249 | wire vld_d1_ff_scanin; | |
250 | wire vld_d1_ff_scanout; | |
251 | wire vld_d1; | |
252 | wire l1clk; | |
253 | wire rdy1; | |
254 | wire data_d1_ff_scanin; | |
255 | wire data_d1_ff_scanout; | |
256 | wire [31:0] data_d1; | |
257 | wire iob_ucb_stall_f; | |
258 | wire stall_ff_scanin; | |
259 | wire stall_ff_scanout; | |
260 | wire iob_ucb_stall_a1; | |
261 | wire stall_d1_ff_scanin; | |
262 | wire stall_d1_ff_scanout; | |
263 | wire rdy0_ff_scanin; | |
264 | wire rdy0_ff_scanout; | |
265 | wire rdy0; | |
266 | wire rdy1_ff_scanin; | |
267 | wire rdy1_ff_scanout; | |
268 | wire skid_buf0_en; | |
269 | wire vld_buf0_ff_scanin; | |
270 | wire vld_buf0_ff_scanout; | |
271 | wire vld_buf0; | |
272 | wire data_buf0_ff_scanin; | |
273 | wire data_buf0_ff_scanout; | |
274 | wire [31:0] data_buf0; | |
275 | wire skid_buf1_en_ff_scanin; | |
276 | wire skid_buf1_en_ff_scanout; | |
277 | wire skid_buf1_en; | |
278 | wire vld_buf1_ff_scanin; | |
279 | wire vld_buf1_ff_scanout; | |
280 | wire vld_buf1; | |
281 | wire data_buf1_ff_scanin; | |
282 | wire data_buf1_ff_scanout; | |
283 | wire [31:0] data_buf1; | |
284 | wire skid_buf0_sel; | |
285 | wire skid_buf1_sel_ff_scanin; | |
286 | wire skid_buf1_sel_ff_scanout; | |
287 | wire skid_buf1_sel; | |
288 | wire vld_mux; | |
289 | wire [31:0] data_mux; | |
290 | wire [3:0] indata_vec_next; | |
291 | wire [3:0] indata_vec; | |
292 | wire iob_ucb_stall_a1_n; | |
293 | wire indata_vec_ff_scanin; | |
294 | wire indata_vec_ff_scanout; | |
295 | wire [127:0] indata_buf_next; | |
296 | wire [127:0] indata_buf; | |
297 | wire indata_buf_ff_scanin; | |
298 | wire indata_buf_ff_scanout; | |
299 | wire indata_vec0_d1_ff_scanin; | |
300 | wire indata_vec0_d1_ff_scanout; | |
301 | wire indata_vec0_d1; | |
302 | wire indata_buf_vld; | |
303 | wire req_ack_pending; | |
304 | wire int_type; | |
305 | wire int_pending; | |
306 | wire req_ack_dbl_buf_full; | |
307 | wire int_dbl_buf_full; | |
308 | wire wr_req_ack_dbl_buf; | |
309 | wire a_wr_buf0; | |
310 | wire a_buf1_vld; | |
311 | wire a_buf0_vld; | |
312 | wire a_buf1_older; | |
313 | wire a_wr_buf1; | |
314 | wire a_rd_buf0; | |
315 | wire a_rd_buf1; | |
316 | wire a_rd_buf; | |
317 | wire a_buf1_older_n; | |
318 | wire a_buf1_older_ff_scanin; | |
319 | wire a_buf1_older_ff_scanout; | |
320 | wire a_en_vld0; | |
321 | wire a_en_vld1; | |
322 | wire a_buf0_vld_ff_scanin; | |
323 | wire a_buf0_vld_ff_scanout; | |
324 | wire a_buf1_vld_ff_scanin; | |
325 | wire a_buf1_vld_ff_scanout; | |
326 | wire a_buf0_obj_ff_scanin; | |
327 | wire a_buf0_obj_ff_scanout; | |
328 | wire [127:0] a_buf0_obj; | |
329 | wire a_buf1_obj_ff_scanin; | |
330 | wire a_buf1_obj_ff_scanout; | |
331 | wire [127:0] a_buf1_obj; | |
332 | wire wr_int_dbl_buf; | |
333 | wire i_wr_buf0; | |
334 | wire i_buf1_vld; | |
335 | wire i_buf0_vld; | |
336 | wire i_buf1_older; | |
337 | wire i_wr_buf1; | |
338 | wire i_rd_buf0; | |
339 | wire i_rd_buf1; | |
340 | wire i_rd_buf; | |
341 | wire i_buf1_older_n; | |
342 | wire i_buf1_older_ff_scanin; | |
343 | wire i_buf1_older_ff_scanout; | |
344 | wire i_en_vld0; | |
345 | wire i_en_vld1; | |
346 | wire i_buf0_vld_ff_scanin; | |
347 | wire i_buf0_vld_ff_scanout; | |
348 | wire i_buf1_vld_ff_scanin; | |
349 | wire i_buf1_vld_ff_scanout; | |
350 | wire i_buf0_obj_ff_scanin; | |
351 | wire i_buf0_obj_ff_scanout; | |
352 | wire [24:0] i_buf0_obj; | |
353 | wire i_buf1_obj_ff_scanin; | |
354 | wire i_buf1_obj_ff_scanout; | |
355 | wire [24:0] i_buf1_obj; | |
356 | wire siclk; | |
357 | wire soclk; | |
358 | wire se; | |
359 | wire pce_ov; | |
360 | wire stop; | |
361 | ||
362 | ||
363 | // Global interface | |
364 | input iol2clk; | |
365 | input scan_in; | |
366 | output scan_out; | |
367 | input tcu_pce_ov; | |
368 | input tcu_clk_stop; | |
369 | input tcu_scan_en; | |
370 | input tcu_aclk; | |
371 | input tcu_bclk; | |
372 | input tcu_dbr_gateoff; | |
373 | ||
374 | // UCB interface | |
375 | input ucb_iob_vld; | |
376 | input [31:0] ucb_iob_data; | |
377 | output iob_ucb_stall; | |
378 | ||
379 | // i2c slow control/datapath interface | |
380 | output [127:0] req_ack_obj; | |
381 | output req_ack_vld; | |
382 | input rd_req_ack_dbl_buf; | |
383 | ||
384 | output [24:0] int_obj; | |
385 | output int_vld; | |
386 | input rd_int_dbl_buf; | |
387 | ||
388 | // Internal signals | |
389 | ||
390 | ||
391 | /************************************************************ | |
392 | * Assemble inbound packet | |
393 | ************************************************************/ | |
394 | //ucb_bus_in #(UCB_BUS_WIDTH) ucb_bus_in ( | |
395 | // .clk(iol2clk), | |
396 | // .vld(ucb_iob_vld), | |
397 | // .data(ucb_iob_data[UCB_BUS_WIDTH-1:0]), | |
398 | // .stall(iob_ucb_stall), | |
399 | // .indata_buf_vld(indata_buf_vld), | |
400 | // .indata_buf(indata_buf[127:0]), | |
401 | // .stall_a1(iob_ucb_stall_a1)); | |
402 | //============================================================= | |
403 | //============================================================= | |
404 | //======================================== ucb_bus_in ========= | |
405 | /************************************************************ | |
406 | * UCB bus interface flops | |
407 | * This is to make signals going between IOB and UCB flop-to-flop | |
408 | * to improve timing. | |
409 | ************************************************************/ | |
410 | assign stall_d1_n = ~stall_d1 ; | |
411 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 vld_d1_ff | |
412 | ( | |
413 | .scan_in(vld_d1_ff_scanin), | |
414 | .scan_out(vld_d1_ff_scanout), | |
415 | .dout (vld_d1), | |
416 | .l1clk (l1clk), | |
417 | .en (stall_d1_n &rdy1), | |
418 | .din (ucb_iob_vld), | |
419 | .siclk(siclk), | |
420 | .soclk(soclk) | |
421 | ); | |
422 | ||
423 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_32 data_d1_ff | |
424 | ( | |
425 | .scan_in(data_d1_ff_scanin), | |
426 | .scan_out(data_d1_ff_scanout), | |
427 | .dout (data_d1[31:0]), | |
428 | .l1clk (l1clk), | |
429 | .en (stall_d1_n), | |
430 | .din (ucb_iob_data[31:0]), | |
431 | .siclk(siclk), | |
432 | .soclk(soclk) | |
433 | ); | |
434 | ||
435 | assign iob_ucb_stall = iob_ucb_stall_f & tcu_dbr_gateoff; | |
436 | ncu_i2cbuf32_ctl_msff_ctl_macro__width_1 stall_ff | |
437 | ( | |
438 | .scan_in(stall_ff_scanin), | |
439 | .scan_out(stall_ff_scanout), | |
440 | .dout (iob_ucb_stall_f), | |
441 | .l1clk (l1clk), | |
442 | .din (iob_ucb_stall_a1), | |
443 | .siclk(siclk), | |
444 | .soclk(soclk) | |
445 | ); | |
446 | ||
447 | ncu_i2cbuf32_ctl_msff_ctl_macro__width_1 stall_d1_ff | |
448 | ( | |
449 | .scan_in(stall_d1_ff_scanin), | |
450 | .scan_out(stall_d1_ff_scanout), | |
451 | .dout (stall_d1), | |
452 | .l1clk (l1clk), | |
453 | .din (iob_ucb_stall), | |
454 | .siclk(siclk), | |
455 | .soclk(soclk) | |
456 | ); | |
457 | ||
458 | ||
459 | ncu_i2cbuf32_ctl_msff_ctl_macro__width_1 rdy0_ff | |
460 | ( | |
461 | .scan_in(rdy0_ff_scanin), | |
462 | .scan_out(rdy0_ff_scanout), | |
463 | .dout (rdy0), | |
464 | .l1clk (l1clk), | |
465 | .din (1'b1), | |
466 | .siclk(siclk), | |
467 | .soclk(soclk) | |
468 | ); | |
469 | ||
470 | ncu_i2cbuf32_ctl_msff_ctl_macro__width_1 rdy1_ff | |
471 | ( | |
472 | .scan_in(rdy1_ff_scanin), | |
473 | .scan_out(rdy1_ff_scanout), | |
474 | .dout (rdy1), | |
475 | .l1clk (l1clk), | |
476 | .din (rdy0), | |
477 | .siclk(siclk), | |
478 | .soclk(soclk) | |
479 | ); | |
480 | ||
481 | /************************************************************ | |
482 | * Skid buffer | |
483 | * We need a two deep skid buffer to handle stalling. | |
484 | ************************************************************/ | |
485 | // Assertion: stall has to be deasserted for more than 1 cycle | |
486 | // ie time between two separate stalls has to be | |
487 | // at least two cycles. Otherwise, contents from | |
488 | // skid buffer will be lost. | |
489 | ||
490 | // Buffer 0 | |
491 | assign skid_buf0_en = iob_ucb_stall_a1 & ~iob_ucb_stall; | |
492 | ||
493 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 vld_buf0_ff | |
494 | ( | |
495 | .scan_in(vld_buf0_ff_scanin), | |
496 | .scan_out(vld_buf0_ff_scanout), | |
497 | .dout (vld_buf0), | |
498 | .l1clk (l1clk), | |
499 | .en (skid_buf0_en), | |
500 | .din (vld_d1), | |
501 | .siclk(siclk), | |
502 | .soclk(soclk) | |
503 | ); | |
504 | ||
505 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_32 data_buf0_ff | |
506 | ( | |
507 | .scan_in(data_buf0_ff_scanin), | |
508 | .scan_out(data_buf0_ff_scanout), | |
509 | .dout (data_buf0[31:0]), | |
510 | .l1clk (l1clk), | |
511 | .en (skid_buf0_en), | |
512 | .din (data_d1[31:0]), | |
513 | .siclk(siclk), | |
514 | .soclk(soclk) | |
515 | ); | |
516 | ||
517 | // Buffer 1 | |
518 | ncu_i2cbuf32_ctl_msff_ctl_macro__width_1 skid_buf1_en_ff | |
519 | ( | |
520 | .scan_in(skid_buf1_en_ff_scanin), | |
521 | .scan_out(skid_buf1_en_ff_scanout), | |
522 | .dout (skid_buf1_en), | |
523 | .l1clk (l1clk), | |
524 | .din (skid_buf0_en), | |
525 | .siclk(siclk), | |
526 | .soclk(soclk) | |
527 | ); | |
528 | ||
529 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 vld_buf1_ff | |
530 | ( | |
531 | .scan_in(vld_buf1_ff_scanin), | |
532 | .scan_out(vld_buf1_ff_scanout), | |
533 | .dout (vld_buf1), | |
534 | .l1clk (l1clk), | |
535 | .en (skid_buf1_en), | |
536 | .din (vld_d1), | |
537 | .siclk(siclk), | |
538 | .soclk(soclk) | |
539 | ); | |
540 | ||
541 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_32 data_buf1_ff | |
542 | ( | |
543 | .scan_in(data_buf1_ff_scanin), | |
544 | .scan_out(data_buf1_ff_scanout), | |
545 | .dout (data_buf1[31:0]), | |
546 | .l1clk (l1clk), | |
547 | .en (skid_buf1_en), | |
548 | .din (data_d1[31:0]), | |
549 | .siclk(siclk), | |
550 | .soclk(soclk) | |
551 | ); | |
552 | /************************************************************ | |
553 | * Mux between skid buffer and interface flop | |
554 | ************************************************************/ | |
555 | // Assertion: stall has to be deasserted for more than 1 cycle | |
556 | // ie time between two separate stalls has to be | |
557 | // at least two cycles. Otherwise, contents from | |
558 | // skid buffer will be lost. | |
559 | ||
560 | assign skid_buf0_sel = ~iob_ucb_stall_a1 & iob_ucb_stall; | |
561 | ||
562 | ncu_i2cbuf32_ctl_msff_ctl_macro__width_1 skid_buf1_sel_ff | |
563 | ( | |
564 | .scan_in(skid_buf1_sel_ff_scanin), | |
565 | .scan_out(skid_buf1_sel_ff_scanout), | |
566 | .dout (skid_buf1_sel), | |
567 | .l1clk (l1clk), | |
568 | .din (skid_buf0_sel), | |
569 | .siclk(siclk), | |
570 | .soclk(soclk) | |
571 | ); | |
572 | ||
573 | assign vld_mux = skid_buf0_sel ? vld_buf0 : | |
574 | skid_buf1_sel ? vld_buf1 : vld_d1; | |
575 | ||
576 | assign data_mux[31:0] = skid_buf0_sel ? data_buf0[31:0] : | |
577 | skid_buf1_sel ? data_buf1[31:0] : data_d1[31:0]; | |
578 | ||
579 | /************************************************************ | |
580 | * Assemble inbound data | |
581 | ************************************************************/ | |
582 | // valid vector | |
583 | assign indata_vec_next[3:0] = {vld_mux,indata_vec[3:1]}; | |
584 | ||
585 | assign iob_ucb_stall_a1_n = ~iob_ucb_stall_a1; | |
586 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_4 indata_vec_ff | |
587 | ( | |
588 | .scan_in(indata_vec_ff_scanin), | |
589 | .scan_out(indata_vec_ff_scanout), | |
590 | .dout (indata_vec[3:0]), | |
591 | .l1clk (l1clk), | |
592 | .en (iob_ucb_stall_a1_n), | |
593 | .din (indata_vec_next[3:0]), | |
594 | .siclk(siclk), | |
595 | .soclk(soclk) | |
596 | ); | |
597 | ||
598 | // data buffer | |
599 | assign indata_buf_next[127:0] = {data_mux[31:0], indata_buf[127:32]}; | |
600 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_128 indata_buf_ff | |
601 | ( | |
602 | .scan_in(indata_buf_ff_scanin), | |
603 | .scan_out(indata_buf_ff_scanout), | |
604 | .dout (indata_buf[127:0]), | |
605 | .l1clk (l1clk), | |
606 | .en (iob_ucb_stall_a1_n), | |
607 | .din (indata_buf_next[127:0]), | |
608 | .siclk(siclk), | |
609 | .soclk(soclk) | |
610 | ); | |
611 | ||
612 | // detect a new packet | |
613 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 indata_vec0_d1_ff | |
614 | ( | |
615 | .scan_in(indata_vec0_d1_ff_scanin), | |
616 | .scan_out(indata_vec0_d1_ff_scanout), | |
617 | .dout (indata_vec0_d1), | |
618 | .l1clk (l1clk), | |
619 | .en (iob_ucb_stall_a1_n), | |
620 | .din (indata_vec[0]), | |
621 | .siclk(siclk), | |
622 | .soclk(soclk) | |
623 | ); | |
624 | ||
625 | assign indata_buf_vld = indata_vec[0] & ~indata_vec0_d1; | |
626 | //======================================== ucb_bus_in ========= | |
627 | //============================================================= | |
628 | //============================================================= | |
629 | ||
630 | ||
631 | ||
632 | /************************************************************ | |
633 | * Decode inbound packet type | |
634 | ************************************************************/ | |
635 | // non-interrupt packet | |
636 | assign req_ack_pending = ~int_type & indata_buf_vld; | |
637 | ||
638 | // interrupt packet | |
639 | assign int_type = ((indata_buf[3:0] == `UCB_INT) | | |
640 | (indata_buf[3:0] == `UCB_INT_VEC) | | |
641 | (indata_buf[3:0] == `UCB_RESET_VEC) | | |
642 | (indata_buf[3:0] == `UCB_IDLE_VEC) | | |
643 | (indata_buf[3:0] == `UCB_RESUME_VEC) ); | |
644 | ||
645 | assign int_pending = int_type & indata_buf_vld; | |
646 | ||
647 | assign iob_ucb_stall_a1 = (req_ack_pending & req_ack_dbl_buf_full) | | |
648 | (int_pending & int_dbl_buf_full); | |
649 | ||
650 | ||
651 | /************************************************************ | |
652 | * Double buffer to store non-interrupt packets | |
653 | ************************************************************/ | |
654 | assign wr_req_ack_dbl_buf = req_ack_pending & ~req_ack_dbl_buf_full; | |
655 | ||
656 | //dbl_buf #(128) req_ack_dbl_buf ( | |
657 | // .clk(iol2clk), | |
658 | // .wr(wr_req_ack_dbl_buf), | |
659 | // .din(indata_buf[127:0]), | |
660 | // .rd(rd_req_ack_dbl_buf), | |
661 | // .dout(req_ack_obj[127:0]), | |
662 | // .vld(req_ack_vld), | |
663 | // .full(req_ack_dbl_buf_full)); | |
664 | //============================================================= | |
665 | //============================================================= | |
666 | //========================================== dbl_buf ========== | |
667 | ||
668 | // if both entries are empty, write to entry pointed to by the older pointer | |
669 | assign a_wr_buf0 = wr_req_ack_dbl_buf & (a_buf1_vld | (~a_buf0_vld & ~a_buf1_older)); | |
670 | assign a_wr_buf1 = wr_req_ack_dbl_buf & (a_buf0_vld | (~a_buf1_vld & a_buf1_older)); | |
671 | ||
672 | // read from the older entry | |
673 | assign a_rd_buf0 = rd_req_ack_dbl_buf & ~a_buf1_older; | |
674 | assign a_rd_buf1 = rd_req_ack_dbl_buf & a_buf1_older; | |
675 | ||
676 | // flip older pointer when an entry is read | |
677 | assign a_rd_buf = rd_req_ack_dbl_buf & (a_buf0_vld | a_buf1_vld); | |
678 | assign a_buf1_older_n = ~a_buf1_older; | |
679 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 a_buf1_older_ff | |
680 | ( | |
681 | .scan_in(a_buf1_older_ff_scanin), | |
682 | .scan_out(a_buf1_older_ff_scanout), | |
683 | .dout (a_buf1_older), | |
684 | .l1clk (l1clk), | |
685 | .en (a_rd_buf), | |
686 | .din (a_buf1_older_n), | |
687 | .siclk(siclk), | |
688 | .soclk(soclk) | |
689 | ); | |
690 | ||
691 | // set valid bit for writes and reset for reads | |
692 | assign a_en_vld0 = a_wr_buf0 | a_rd_buf0; | |
693 | assign a_en_vld1 = a_wr_buf1 | a_rd_buf1; | |
694 | ||
695 | // the actual buffers | |
696 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 a_buf0_vld_ff | |
697 | ( | |
698 | .scan_in(a_buf0_vld_ff_scanin), | |
699 | .scan_out(a_buf0_vld_ff_scanout), | |
700 | .dout (a_buf0_vld), | |
701 | .l1clk (l1clk), | |
702 | .en (a_en_vld0), | |
703 | .din (a_wr_buf0), | |
704 | .siclk(siclk), | |
705 | .soclk(soclk) | |
706 | ); | |
707 | ||
708 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 a_buf1_vld_ff | |
709 | ( | |
710 | .scan_in(a_buf1_vld_ff_scanin), | |
711 | .scan_out(a_buf1_vld_ff_scanout), | |
712 | .dout (a_buf1_vld), | |
713 | .l1clk (l1clk), | |
714 | .en (a_en_vld1), | |
715 | .din (a_wr_buf1), | |
716 | .siclk(siclk), | |
717 | .soclk(soclk) | |
718 | ); | |
719 | ||
720 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_128 a_buf0_obj_ff | |
721 | ( | |
722 | .scan_in(a_buf0_obj_ff_scanin), | |
723 | .scan_out(a_buf0_obj_ff_scanout), | |
724 | .dout (a_buf0_obj[127:0]), | |
725 | .l1clk (l1clk), | |
726 | .en (a_wr_buf0), | |
727 | .din (indata_buf[127:0]), | |
728 | .siclk(siclk), | |
729 | .soclk(soclk) | |
730 | ); | |
731 | ||
732 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_128 a_buf1_obj_ff | |
733 | ( | |
734 | .scan_in(a_buf1_obj_ff_scanin), | |
735 | .scan_out(a_buf1_obj_ff_scanout), | |
736 | .dout (a_buf1_obj[127:0]), | |
737 | .l1clk (l1clk), | |
738 | .en (a_wr_buf1), | |
739 | .din (indata_buf[127:0]), | |
740 | .siclk(siclk), | |
741 | .soclk(soclk) | |
742 | ); | |
743 | ||
744 | // mux out the older entry | |
745 | assign req_ack_obj[127:0] = (a_buf1_older) ? a_buf1_obj[127:0] : a_buf0_obj[127:0] ; | |
746 | ||
747 | assign req_ack_vld = a_buf0_vld | a_buf1_vld; | |
748 | assign req_ack_dbl_buf_full = a_buf0_vld & a_buf1_vld; | |
749 | //========================================== dbl_buf ========== | |
750 | //============================================================= | |
751 | //============================================================= | |
752 | ||
753 | ||
754 | ||
755 | ||
756 | /************************************************************ | |
757 | * Double buffer to store interrupt packets | |
758 | ************************************************************/ | |
759 | assign wr_int_dbl_buf = int_pending & ~int_dbl_buf_full; | |
760 | ||
761 | //dbl_buf #(64) int_dbl_buf ( | |
762 | // .clk(iol2clk), | |
763 | // .wr(wr_int_dbl_buf), | |
764 | // .din(indata_buf[63:0]), | |
765 | // .rd(rd_int_dbl_buf), | |
766 | // .dout(int_obj[63:0]), | |
767 | // .vld(int_vld), | |
768 | // .full(int_dbl_buf_full)); | |
769 | ||
770 | //============================================================= | |
771 | //============================================================= | |
772 | //======================================= dbl_buf ============= | |
773 | ||
774 | // if both entries are empty, write to entry pointed to by the older pointer | |
775 | assign i_wr_buf0 = wr_int_dbl_buf & (i_buf1_vld | (~i_buf0_vld & ~i_buf1_older)); | |
776 | assign i_wr_buf1 = wr_int_dbl_buf & (i_buf0_vld | (~i_buf1_vld & i_buf1_older)); | |
777 | ||
778 | // read from the older entry | |
779 | assign i_rd_buf0 = rd_int_dbl_buf & ~i_buf1_older; | |
780 | assign i_rd_buf1 = rd_int_dbl_buf & i_buf1_older; | |
781 | ||
782 | // flip older pointer when an entry is read | |
783 | assign i_rd_buf = rd_int_dbl_buf & (i_buf0_vld | i_buf1_vld); | |
784 | assign i_buf1_older_n = ~i_buf1_older; | |
785 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 i_buf1_older_ff | |
786 | ( | |
787 | .scan_in(i_buf1_older_ff_scanin), | |
788 | .scan_out(i_buf1_older_ff_scanout), | |
789 | .dout (i_buf1_older), | |
790 | .l1clk (l1clk), | |
791 | .en (i_rd_buf), | |
792 | .din (i_buf1_older_n), | |
793 | .siclk(siclk), | |
794 | .soclk(soclk) | |
795 | ); | |
796 | ||
797 | // set valid bit for writes and reset for reads | |
798 | assign i_en_vld0 = i_wr_buf0 | i_rd_buf0; | |
799 | assign i_en_vld1 = i_wr_buf1 | i_rd_buf1; | |
800 | ||
801 | // the actual buffers | |
802 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 i_buf0_vld_ff | |
803 | ( | |
804 | .scan_in(i_buf0_vld_ff_scanin), | |
805 | .scan_out(i_buf0_vld_ff_scanout), | |
806 | .dout (i_buf0_vld), | |
807 | .l1clk (l1clk), | |
808 | .en (i_en_vld0), | |
809 | .din (i_wr_buf0), | |
810 | .siclk(siclk), | |
811 | .soclk(soclk) | |
812 | ); | |
813 | ||
814 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 i_buf1_vld_ff | |
815 | ( | |
816 | .scan_in(i_buf1_vld_ff_scanin), | |
817 | .scan_out(i_buf1_vld_ff_scanout), | |
818 | .dout (i_buf1_vld), | |
819 | .l1clk (l1clk), | |
820 | .en (i_en_vld1), | |
821 | .din (i_wr_buf1), | |
822 | .siclk(siclk), | |
823 | .soclk(soclk) | |
824 | ); | |
825 | ||
826 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_25 i_buf0_obj_ff | |
827 | ( | |
828 | .scan_in(i_buf0_obj_ff_scanin), | |
829 | .scan_out(i_buf0_obj_ff_scanout), | |
830 | .dout (i_buf0_obj[24:0]), | |
831 | .l1clk (l1clk), | |
832 | .en (i_wr_buf0), | |
833 | .din ({indata_buf[56:51],indata_buf[18:0]}), | |
834 | .siclk(siclk), | |
835 | .soclk(soclk) | |
836 | ); | |
837 | ||
838 | ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_25 i_buf1_obj_ff | |
839 | ( | |
840 | .scan_in(i_buf1_obj_ff_scanin), | |
841 | .scan_out(i_buf1_obj_ff_scanout), | |
842 | .dout (i_buf1_obj[24:0]), | |
843 | .l1clk (l1clk), | |
844 | .en (i_wr_buf1), | |
845 | .din ({indata_buf[56:51],indata_buf[18:0]}), | |
846 | .siclk(siclk), | |
847 | .soclk(soclk) | |
848 | ); | |
849 | ||
850 | // mux out the older entry | |
851 | assign int_obj[24:0] = (i_buf1_older) ? i_buf1_obj[24:0] : i_buf0_obj[24:0] ; | |
852 | ||
853 | assign int_vld = i_buf0_vld | i_buf1_vld; | |
854 | assign int_dbl_buf_full = i_buf0_vld & i_buf1_vld; | |
855 | //=========================================== dbl_buf ========= | |
856 | //============================================================= | |
857 | //============================================================= | |
858 | ||
859 | ||
860 | ||
861 | ||
862 | ||
863 | ||
864 | /**** adding clock header ****/ | |
865 | ncu_i2cbuf32_ctl_l1clkhdr_ctl_macro clkgen ( | |
866 | .l2clk (iol2clk), | |
867 | .l1en (1'b1), | |
868 | .l1clk (l1clk), | |
869 | .pce_ov(pce_ov), | |
870 | .stop(stop), | |
871 | .se(se) | |
872 | ); | |
873 | ||
874 | /*** building tcu port ***/ | |
875 | assign siclk = tcu_aclk; | |
876 | assign soclk = tcu_bclk; | |
877 | assign se = tcu_scan_en; | |
878 | assign pce_ov = tcu_pce_ov; | |
879 | assign stop = tcu_clk_stop; | |
880 | ||
881 | // fixscan start: | |
882 | assign vld_d1_ff_scanin = scan_in ; | |
883 | assign data_d1_ff_scanin = vld_d1_ff_scanout ; | |
884 | assign stall_ff_scanin = data_d1_ff_scanout ; | |
885 | assign stall_d1_ff_scanin = stall_ff_scanout ; | |
886 | assign rdy0_ff_scanin = stall_d1_ff_scanout ; | |
887 | assign rdy1_ff_scanin = rdy0_ff_scanout ; | |
888 | assign vld_buf0_ff_scanin = rdy1_ff_scanout ; | |
889 | assign data_buf0_ff_scanin = vld_buf0_ff_scanout ; | |
890 | assign skid_buf1_en_ff_scanin = data_buf0_ff_scanout ; | |
891 | assign vld_buf1_ff_scanin = skid_buf1_en_ff_scanout ; | |
892 | assign data_buf1_ff_scanin = vld_buf1_ff_scanout ; | |
893 | assign skid_buf1_sel_ff_scanin = data_buf1_ff_scanout ; | |
894 | assign indata_vec_ff_scanin = skid_buf1_sel_ff_scanout ; | |
895 | assign indata_buf_ff_scanin = indata_vec_ff_scanout ; | |
896 | assign indata_vec0_d1_ff_scanin = indata_buf_ff_scanout ; | |
897 | assign a_buf1_older_ff_scanin = indata_vec0_d1_ff_scanout; | |
898 | assign a_buf0_vld_ff_scanin = a_buf1_older_ff_scanout ; | |
899 | assign a_buf1_vld_ff_scanin = a_buf0_vld_ff_scanout ; | |
900 | assign a_buf0_obj_ff_scanin = a_buf1_vld_ff_scanout ; | |
901 | assign a_buf1_obj_ff_scanin = a_buf0_obj_ff_scanout ; | |
902 | assign i_buf1_older_ff_scanin = a_buf1_obj_ff_scanout ; | |
903 | assign i_buf0_vld_ff_scanin = i_buf1_older_ff_scanout ; | |
904 | assign i_buf1_vld_ff_scanin = i_buf0_vld_ff_scanout ; | |
905 | assign i_buf0_obj_ff_scanin = i_buf1_vld_ff_scanout ; | |
906 | assign i_buf1_obj_ff_scanin = i_buf0_obj_ff_scanout ; | |
907 | assign scan_out = i_buf1_obj_ff_scanout ; | |
908 | // fixscan end: | |
909 | endmodule // i2c_buf | |
910 | ||
911 | ||
912 | ||
913 | ||
914 | ||
915 | ||
916 | ||
917 | ||
918 | // any PARAMS parms go into naming of macro | |
919 | ||
920 | module ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_1 ( | |
921 | din, | |
922 | en, | |
923 | l1clk, | |
924 | scan_in, | |
925 | siclk, | |
926 | soclk, | |
927 | dout, | |
928 | scan_out); | |
929 | wire [0:0] fdin; | |
930 | ||
931 | input [0:0] din; | |
932 | input en; | |
933 | input l1clk; | |
934 | input scan_in; | |
935 | ||
936 | ||
937 | input siclk; | |
938 | input soclk; | |
939 | ||
940 | output [0:0] dout; | |
941 | output scan_out; | |
942 | assign fdin[0:0] = (din[0:0] & {1{en}}) | (dout[0:0] & ~{1{en}}); | |
943 | ||
944 | ||
945 | ||
946 | ||
947 | ||
948 | ||
949 | dff #(1) d0_0 ( | |
950 | .l1clk(l1clk), | |
951 | .siclk(siclk), | |
952 | .soclk(soclk), | |
953 | .d(fdin[0:0]), | |
954 | .si(scan_in), | |
955 | .so(scan_out), | |
956 | .q(dout[0:0]) | |
957 | ); | |
958 | ||
959 | ||
960 | ||
961 | ||
962 | ||
963 | ||
964 | ||
965 | ||
966 | ||
967 | ||
968 | ||
969 | ||
970 | endmodule | |
971 | ||
972 | ||
973 | ||
974 | ||
975 | ||
976 | ||
977 | ||
978 | ||
979 | ||
980 | ||
981 | ||
982 | ||
983 | ||
984 | // any PARAMS parms go into naming of macro | |
985 | ||
986 | module ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_32 ( | |
987 | din, | |
988 | en, | |
989 | l1clk, | |
990 | scan_in, | |
991 | siclk, | |
992 | soclk, | |
993 | dout, | |
994 | scan_out); | |
995 | wire [31:0] fdin; | |
996 | wire [30:0] so; | |
997 | ||
998 | input [31:0] din; | |
999 | input en; | |
1000 | input l1clk; | |
1001 | input scan_in; | |
1002 | ||
1003 | ||
1004 | input siclk; | |
1005 | input soclk; | |
1006 | ||
1007 | output [31:0] dout; | |
1008 | output scan_out; | |
1009 | assign fdin[31:0] = (din[31:0] & {32{en}}) | (dout[31:0] & ~{32{en}}); | |
1010 | ||
1011 | ||
1012 | ||
1013 | ||
1014 | ||
1015 | ||
1016 | dff #(32) d0_0 ( | |
1017 | .l1clk(l1clk), | |
1018 | .siclk(siclk), | |
1019 | .soclk(soclk), | |
1020 | .d(fdin[31:0]), | |
1021 | .si({scan_in,so[30:0]}), | |
1022 | .so({so[30:0],scan_out}), | |
1023 | .q(dout[31:0]) | |
1024 | ); | |
1025 | ||
1026 | ||
1027 | ||
1028 | ||
1029 | ||
1030 | ||
1031 | ||
1032 | ||
1033 | ||
1034 | ||
1035 | ||
1036 | ||
1037 | endmodule | |
1038 | ||
1039 | ||
1040 | ||
1041 | ||
1042 | ||
1043 | ||
1044 | ||
1045 | ||
1046 | ||
1047 | ||
1048 | ||
1049 | ||
1050 | ||
1051 | // any PARAMS parms go into naming of macro | |
1052 | ||
1053 | module ncu_i2cbuf32_ctl_msff_ctl_macro__width_1 ( | |
1054 | din, | |
1055 | l1clk, | |
1056 | scan_in, | |
1057 | siclk, | |
1058 | soclk, | |
1059 | dout, | |
1060 | scan_out); | |
1061 | wire [0:0] fdin; | |
1062 | ||
1063 | input [0:0] din; | |
1064 | input l1clk; | |
1065 | input scan_in; | |
1066 | ||
1067 | ||
1068 | input siclk; | |
1069 | input soclk; | |
1070 | ||
1071 | output [0:0] dout; | |
1072 | output scan_out; | |
1073 | assign fdin[0:0] = din[0:0]; | |
1074 | ||
1075 | ||
1076 | ||
1077 | ||
1078 | ||
1079 | ||
1080 | dff #(1) d0_0 ( | |
1081 | .l1clk(l1clk), | |
1082 | .siclk(siclk), | |
1083 | .soclk(soclk), | |
1084 | .d(fdin[0:0]), | |
1085 | .si(scan_in), | |
1086 | .so(scan_out), | |
1087 | .q(dout[0:0]) | |
1088 | ); | |
1089 | ||
1090 | ||
1091 | ||
1092 | ||
1093 | ||
1094 | ||
1095 | ||
1096 | ||
1097 | ||
1098 | ||
1099 | ||
1100 | ||
1101 | endmodule | |
1102 | ||
1103 | ||
1104 | ||
1105 | ||
1106 | ||
1107 | ||
1108 | ||
1109 | ||
1110 | ||
1111 | ||
1112 | ||
1113 | ||
1114 | ||
1115 | // any PARAMS parms go into naming of macro | |
1116 | ||
1117 | module ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_4 ( | |
1118 | din, | |
1119 | en, | |
1120 | l1clk, | |
1121 | scan_in, | |
1122 | siclk, | |
1123 | soclk, | |
1124 | dout, | |
1125 | scan_out); | |
1126 | wire [3:0] fdin; | |
1127 | wire [2:0] so; | |
1128 | ||
1129 | input [3:0] din; | |
1130 | input en; | |
1131 | input l1clk; | |
1132 | input scan_in; | |
1133 | ||
1134 | ||
1135 | input siclk; | |
1136 | input soclk; | |
1137 | ||
1138 | output [3:0] dout; | |
1139 | output scan_out; | |
1140 | assign fdin[3:0] = (din[3:0] & {4{en}}) | (dout[3:0] & ~{4{en}}); | |
1141 | ||
1142 | ||
1143 | ||
1144 | ||
1145 | ||
1146 | ||
1147 | dff #(4) d0_0 ( | |
1148 | .l1clk(l1clk), | |
1149 | .siclk(siclk), | |
1150 | .soclk(soclk), | |
1151 | .d(fdin[3:0]), | |
1152 | .si({scan_in,so[2:0]}), | |
1153 | .so({so[2:0],scan_out}), | |
1154 | .q(dout[3:0]) | |
1155 | ); | |
1156 | ||
1157 | ||
1158 | ||
1159 | ||
1160 | ||
1161 | ||
1162 | ||
1163 | ||
1164 | ||
1165 | ||
1166 | ||
1167 | ||
1168 | endmodule | |
1169 | ||
1170 | ||
1171 | ||
1172 | ||
1173 | ||
1174 | ||
1175 | ||
1176 | ||
1177 | ||
1178 | ||
1179 | ||
1180 | ||
1181 | ||
1182 | // any PARAMS parms go into naming of macro | |
1183 | ||
1184 | module ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_128 ( | |
1185 | din, | |
1186 | en, | |
1187 | l1clk, | |
1188 | scan_in, | |
1189 | siclk, | |
1190 | soclk, | |
1191 | dout, | |
1192 | scan_out); | |
1193 | wire [127:0] fdin; | |
1194 | wire [126:0] so; | |
1195 | ||
1196 | input [127:0] din; | |
1197 | input en; | |
1198 | input l1clk; | |
1199 | input scan_in; | |
1200 | ||
1201 | ||
1202 | input siclk; | |
1203 | input soclk; | |
1204 | ||
1205 | output [127:0] dout; | |
1206 | output scan_out; | |
1207 | assign fdin[127:0] = (din[127:0] & {128{en}}) | (dout[127:0] & ~{128{en}}); | |
1208 | ||
1209 | ||
1210 | ||
1211 | ||
1212 | ||
1213 | ||
1214 | dff #(128) d0_0 ( | |
1215 | .l1clk(l1clk), | |
1216 | .siclk(siclk), | |
1217 | .soclk(soclk), | |
1218 | .d(fdin[127:0]), | |
1219 | .si({scan_in,so[126:0]}), | |
1220 | .so({so[126:0],scan_out}), | |
1221 | .q(dout[127:0]) | |
1222 | ); | |
1223 | ||
1224 | ||
1225 | ||
1226 | ||
1227 | ||
1228 | ||
1229 | ||
1230 | ||
1231 | ||
1232 | ||
1233 | ||
1234 | ||
1235 | endmodule | |
1236 | ||
1237 | ||
1238 | ||
1239 | ||
1240 | ||
1241 | ||
1242 | ||
1243 | ||
1244 | ||
1245 | ||
1246 | ||
1247 | ||
1248 | ||
1249 | // any PARAMS parms go into naming of macro | |
1250 | ||
1251 | module ncu_i2cbuf32_ctl_msff_ctl_macro__en_1__width_25 ( | |
1252 | din, | |
1253 | en, | |
1254 | l1clk, | |
1255 | scan_in, | |
1256 | siclk, | |
1257 | soclk, | |
1258 | dout, | |
1259 | scan_out); | |
1260 | wire [24:0] fdin; | |
1261 | wire [23:0] so; | |
1262 | ||
1263 | input [24:0] din; | |
1264 | input en; | |
1265 | input l1clk; | |
1266 | input scan_in; | |
1267 | ||
1268 | ||
1269 | input siclk; | |
1270 | input soclk; | |
1271 | ||
1272 | output [24:0] dout; | |
1273 | output scan_out; | |
1274 | assign fdin[24:0] = (din[24:0] & {25{en}}) | (dout[24:0] & ~{25{en}}); | |
1275 | ||
1276 | ||
1277 | ||
1278 | ||
1279 | ||
1280 | ||
1281 | dff #(25) d0_0 ( | |
1282 | .l1clk(l1clk), | |
1283 | .siclk(siclk), | |
1284 | .soclk(soclk), | |
1285 | .d(fdin[24:0]), | |
1286 | .si({scan_in,so[23:0]}), | |
1287 | .so({so[23:0],scan_out}), | |
1288 | .q(dout[24:0]) | |
1289 | ); | |
1290 | ||
1291 | ||
1292 | ||
1293 | ||
1294 | ||
1295 | ||
1296 | ||
1297 | ||
1298 | ||
1299 | ||
1300 | ||
1301 | ||
1302 | endmodule | |
1303 | ||
1304 | ||
1305 | ||
1306 | ||
1307 | ||
1308 | ||
1309 | ||
1310 | ||
1311 | ||
1312 | ||
1313 | ||
1314 | ||
1315 | ||
1316 | // any PARAMS parms go into naming of macro | |
1317 | ||
1318 | module ncu_i2cbuf32_ctl_l1clkhdr_ctl_macro ( | |
1319 | l2clk, | |
1320 | l1en, | |
1321 | pce_ov, | |
1322 | stop, | |
1323 | se, | |
1324 | l1clk); | |
1325 | ||
1326 | ||
1327 | input l2clk; | |
1328 | input l1en; | |
1329 | input pce_ov; | |
1330 | input stop; | |
1331 | input se; | |
1332 | output l1clk; | |
1333 | ||
1334 | ||
1335 | ||
1336 | ||
1337 | ||
1338 | cl_sc1_l1hdr_8x c_0 ( | |
1339 | ||
1340 | ||
1341 | .l2clk(l2clk), | |
1342 | .pce(l1en), | |
1343 | .l1clk(l1clk), | |
1344 | .se(se), | |
1345 | .pce_ov(pce_ov), | |
1346 | .stop(stop) | |
1347 | ); | |
1348 | ||
1349 | ||
1350 | ||
1351 | endmodule | |
1352 | ||
1353 | ||
1354 | ||
1355 | ||
1356 | ||
1357 | ||
1358 | ||
1359 |