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[/] [or1k/] [tags/] [rel_26/] [or1200/] [rtl/] [verilog/] [or1200_defines.v] - Blame information for rev 790

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1 504 lampret
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
////  OR1200's definitions                                        ////
4
////                                                              ////
5
////  This file is part of the OpenRISC 1200 project              ////
6
////  http://www.opencores.org/cores/or1k/                        ////
7
////                                                              ////
8
////  Description                                                 ////
9
////  Parameters of the OR1200 core                               ////
10
////                                                              ////
11
////  To Do:                                                      ////
12
////   - add parameters that are missing                          ////
13
////                                                              ////
14
////  Author(s):                                                  ////
15
////      - Damjan Lampret, lampret@opencores.org                 ////
16
////                                                              ////
17
//////////////////////////////////////////////////////////////////////
18
////                                                              ////
19
//// Copyright (C) 2000 Authors and OPENCORES.ORG                 ////
20
////                                                              ////
21
//// This source file may be used and distributed without         ////
22
//// restriction provided that this copyright statement is not    ////
23
//// removed from the file and that any derivative work contains  ////
24
//// the original copyright notice and the associated disclaimer. ////
25
////                                                              ////
26
//// This source file is free software; you can redistribute it   ////
27
//// and/or modify it under the terms of the GNU Lesser General   ////
28
//// Public License as published by the Free Software Foundation; ////
29
//// either version 2.1 of the License, or (at your option) any   ////
30
//// later version.                                               ////
31
////                                                              ////
32
//// This source is distributed in the hope that it will be       ////
33
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
34
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
35
//// PURPOSE.  See the GNU Lesser General Public License for more ////
36
//// details.                                                     ////
37
////                                                              ////
38
//// You should have received a copy of the GNU Lesser General    ////
39
//// Public License along with this source; if not, download it   ////
40
//// from http://www.opencores.org/lgpl.shtml                     ////
41
////                                                              ////
42
//////////////////////////////////////////////////////////////////////
43
//
44
// CVS Revision History
45
//
46
// $Log: not supported by cvs2svn $
47 790 lampret
// Revision 1.13  2002/03/29 15:16:55  lampret
48
// Some of the warnings fixed.
49
//
50 788 lampret
// Revision 1.12  2002/03/28 19:25:42  lampret
51
// Added second type of Virtual Silicon two-port SRAM (for register file). Changed defines for VS STP RAMs.
52
//
53 778 lampret
// Revision 1.11  2002/03/28 19:13:17  lampret
54
// Updated defines.
55
//
56 776 lampret
// Revision 1.10  2002/03/14 00:30:24  lampret
57
// Added alternative for critical path in DU.
58
//
59 737 lampret
// Revision 1.9  2002/03/11 01:26:26  lampret
60
// Fixed async loop. Changed multiplier type for ASIC.
61
//
62 735 lampret
// Revision 1.8  2002/02/11 04:33:17  lampret
63
// Speed optimizations (removed duplicate _cyc_ and _stb_). Fixed D/IMMU cache-inhibit attr.
64
//
65 660 lampret
// Revision 1.7  2002/02/01 19:56:54  lampret
66
// Fixed combinational loops.
67
//
68 636 lampret
// Revision 1.6  2002/01/19 14:10:22  lampret
69
// Fixed OR1200_XILINX_RAM32X1D.
70
//
71 597 lampret
// Revision 1.5  2002/01/18 07:56:00  lampret
72
// No more low/high priority interrupts (PICPR removed). Added tick timer exception. Added exception prefix (SR[EPH]). Fixed single-step bug whenreading NPC.
73
//
74 589 lampret
// Revision 1.4  2002/01/14 09:44:12  lampret
75
// Default ASIC configuration does not sample WB inputs.
76
//
77 569 lampret
// Revision 1.3  2002/01/08 00:51:08  lampret
78
// Fixed typo. OR1200_REGISTERED_OUTPUTS was not defined. Should be.
79
//
80 536 lampret
// Revision 1.2  2002/01/03 21:23:03  lampret
81
// Uncommented OR1200_REGISTERED_OUTPUTS for FPGA target.
82
//
83 512 lampret
// Revision 1.1  2002/01/03 08:16:15  lampret
84
// New prefixes for RTL files, prefixed module names. Updated cache controllers and MMUs.
85
//
86 504 lampret
// Revision 1.20  2001/12/04 05:02:36  lampret
87
// Added OR1200_GENERIC_MULTP2_32X32 and OR1200_ASIC_MULTP2_32X32
88
//
89
// Revision 1.19  2001/11/27 19:46:57  lampret
90
// Now FPGA and ASIC target are separate.
91
//
92
// Revision 1.18  2001/11/23 21:42:31  simons
93
// Program counter divided to PPC and NPC.
94
//
95
// Revision 1.17  2001/11/23 08:38:51  lampret
96
// Changed DSR/DRR behavior and exception detection.
97
//
98
// Revision 1.16  2001/11/20 21:30:38  lampret
99
// Added OR1200_REGISTERED_INPUTS.
100
//
101
// Revision 1.15  2001/11/19 14:29:48  simons
102
// Cashes disabled.
103
//
104
// Revision 1.14  2001/11/13 10:02:21  lampret
105
// Added 'setpc'. Renamed some signals (except_flushpipe into flushpipe etc)
106
//
107
// Revision 1.13  2001/11/12 01:45:40  lampret
108
// Moved flag bit into SR. Changed RF enable from constant enable to dynamic enable for read ports.
109
//
110
// Revision 1.12  2001/11/10 03:43:57  lampret
111
// Fixed exceptions.
112
//
113
// Revision 1.11  2001/11/02 18:57:14  lampret
114
// Modified virtual silicon instantiations.
115
//
116
// Revision 1.10  2001/10/21 17:57:16  lampret
117
// Removed params from generic_XX.v. Added translate_off/on in sprs.v and id.v. Removed spr_addr from dc.v and ic.v. Fixed CR+LF.
118
//
119
// Revision 1.9  2001/10/19 23:28:46  lampret
120
// Fixed some synthesis warnings. Configured with caches and MMUs.
121
//
122
// Revision 1.8  2001/10/14 13:12:09  lampret
123
// MP3 version.
124
//
125
// Revision 1.1.1.1  2001/10/06 10:18:36  igorm
126
// no message
127
//
128
// Revision 1.3  2001/08/17 08:01:19  lampret
129
// IC enable/disable.
130
//
131
// Revision 1.2  2001/08/13 03:36:20  lampret
132
// Added cfg regs. Moved all defines into one defines.v file. More cleanup.
133
//
134
// Revision 1.1  2001/08/09 13:39:33  lampret
135
// Major clean-up.
136
//
137
// Revision 1.2  2001/07/22 03:31:54  lampret
138
// Fixed RAM's oen bug. Cache bypass under development.
139
//
140
// Revision 1.1  2001/07/20 00:46:03  lampret
141
// Development version of RTL. Libraries are missing.
142
//
143
//
144
 
145
//
146
// Dump VCD
147
//
148
//`define OR1200_VCD_DUMP
149
 
150
//
151
// Generate debug messages during simulation
152
//
153
//`define OR1200_VERBOSE
154
 
155 737 lampret
//`define OR1200_ASIC
156 504 lampret
////////////////////////////////////////////////////////
157
//
158
// Typical configuration for an ASIC
159
//
160
`ifdef OR1200_ASIC
161
 
162
//
163
// Target ASIC memories
164
//
165
//`define OR1200_ARTISAN_SSP
166
//`define OR1200_ARTISAN_SDP
167
//`define OR1200_ARTISAN_STP
168
`define OR1200_VIRTUALSILICON_SSP
169 778 lampret
`define OR1200_VIRTUALSILICON_STP_T1
170
//`define OR1200_VIRTUALSILICON_STP_T2
171 504 lampret
 
172
//
173
// Do not implement Data cache
174
//
175
//`define OR1200_NO_DC
176
 
177
//
178
// Do not implement Insn cache
179
//
180
//`define OR1200_NO_IC
181
 
182
//
183
// Do not implement Data MMU
184
//
185
//`define OR1200_NO_DMMU
186
 
187
//
188
// Do not implement Insn MMU
189
//
190
//`define OR1200_NO_IMMU
191
 
192
//
193
// Register OR1200 WISHBONE outputs
194
// (at the moment correct operation
195
// only with registered outputs)
196
//
197 536 lampret
`define OR1200_REGISTERED_OUTPUTS
198 504 lampret
 
199
//
200
// Register OR1200 WISHBNE inputs
201
//
202 569 lampret
//`define OR1200_REGISTERED_INPUTS
203 504 lampret
 
204
//
205
// Select between ASIC optimized and generic multiplier
206
//
207 735 lampret
//`define OR1200_ASIC_MULTP2_32X32
208
`define OR1200_GENERIC_MULTP2_32X32
209 504 lampret
 
210
//
211
// Size/type of insn/data cache if implemented
212
//
213
// `define OR1200_IC_1W_4KB
214
`define OR1200_IC_1W_8KB
215
// `define OR1200_DC_1W_4KB
216
`define OR1200_DC_1W_8KB
217
 
218
`else
219
 
220
 
221
/////////////////////////////////////////////////////////
222
//
223
// Typical configuration for an FPGA
224
//
225
 
226
//
227
// Target FPGA memories
228
//
229
`define OR1200_XILINX_RAMB4
230 776 lampret
//`define OR1200_XILINX_RAM32X1D
231 504 lampret
 
232
//
233
// Do not implement Data cache
234
//
235
//`define OR1200_NO_DC
236
 
237
//
238
// Do not implement Insn cache
239
//
240
//`define OR1200_NO_IC
241
 
242
//
243
// Do not implement Data MMU
244
//
245
//`define OR1200_NO_DMMU
246
 
247
//
248
// Do not implement Insn MMU
249
//
250
//`define OR1200_NO_IMMU
251
 
252
//
253
// Register OR1200 WISHBONE outputs
254
// (at the moment works only with
255
// registered outputs)
256
//
257 512 lampret
`define OR1200_REGISTERED_OUTPUTS
258 504 lampret
 
259
//
260
// Register OR1200 WISHBONE inputs
261
//
262
//`define OR1200_REGISTERED_INPUTS
263
 
264
//
265
// Select between ASIC and generic multiplier
266
//
267
//`define OR1200_ASIC_MULTP2_32X32
268
`define OR1200_GENERIC_MULTP2_32X32
269
 
270
//
271
// Size/type of insn/data cache if implemented
272
// (consider available FPGA memory resources)
273
//
274
`define OR1200_IC_1W_4KB
275
//`define OR1200_IC_1W_8KB
276
`define OR1200_DC_1W_4KB
277
//`define OR1200_DC_1W_8KB
278
 
279
`endif
280
 
281
 
282
//////////////////////////////////////////////////////////
283
//
284
// Do not change below unless you know what you are doing
285
//
286
 
287 788 lampret
//
288
// Enable additional synthesis directives if using
289 790 lampret
// _Synopsys_ synthesis tool
290 788 lampret
//
291
//`define OR1200_ADDITIONAL_SYNOPSYS_DIRECTIVES
292
 
293
//
294 504 lampret
// Operand width / register file address width
295 788 lampret
//
296
// (DO NOT CHANGE)
297
//
298 504 lampret
`define OR1200_OPERAND_WIDTH            32
299
`define OR1200_REGFILE_ADDR_WIDTH       5
300
 
301
//
302
// Implement rotate in the ALU
303
//
304
//`define OR1200_IMPL_ALU_ROTATE
305
 
306
//
307
// Type of ALU compare to implement
308
//
309
//`define OR1200_IMPL_ALU_COMP1
310
`define OR1200_IMPL_ALU_COMP2
311
 
312
//
313
// Select between low-power (larger) multiplier or faster multiplier
314
//
315 776 lampret
//`define OR1200_LOWPWR_MULT
316 504 lampret
 
317
//
318
// Clock synchronization for RISC clk and WB divided clocks
319
//
320
// If you plan to run WB:RISC clock 1:1, you can comment these two
321
//
322
`define OR1200_CLKDIV_2_SUPPORTED
323 776 lampret
//`define OR1200_CLKDIV_4_SUPPORTED
324 504 lampret
 
325
//
326
// Type of register file RAM
327
//
328
// `define OR1200_RFRAM_TWOPORT
329
 
330
//
331 776 lampret
// Type of mem2reg aligner to implement.
332 504 lampret
//
333 776 lampret
// Once OR1200_IMPL_MEM2REG2 yielded faster
334
// circuit, however with today tools it will
335
// most probably give you slower circuit.
336
//
337
`define OR1200_IMPL_MEM2REG1
338
//`define OR1200_IMPL_MEM2REG2
339 504 lampret
 
340
//
341
// Simulate l.div and l.divu
342
//
343
// If commented, l.div/l.divu will produce undefined result. If enabled,
344
// div instructions will be simulated, but not synthesized ! OR1200
345
// does not have a hardware divider.
346
//
347
`define OR1200_SIM_ALU_DIV
348
`define OR1200_SIM_ALU_DIVU
349
 
350
//
351
// ALUOPs
352
//
353
`define OR1200_ALUOP_WIDTH      4
354 636 lampret
`define OR1200_ALUOP_NOP        4'd4
355 504 lampret
/* Order defined by arith insns that have two source operands both in regs
356
   (see binutils/include/opcode/or32.h) */
357
`define OR1200_ALUOP_ADD        4'd0
358
`define OR1200_ALUOP_ADDC       4'd1
359
`define OR1200_ALUOP_SUB        4'd2
360
`define OR1200_ALUOP_AND        4'd3
361 636 lampret
`define OR1200_ALUOP_OR         4'd4
362 504 lampret
`define OR1200_ALUOP_XOR        4'd5
363
`define OR1200_ALUOP_MUL        4'd6
364
`define OR1200_ALUOP_SHROT      4'd8
365
`define OR1200_ALUOP_DIV        4'd9
366
`define OR1200_ALUOP_DIVU       4'd10
367
/* Order not specifically defined. */
368
`define OR1200_ALUOP_IMM        4'd11
369
`define OR1200_ALUOP_MOVHI      4'd12
370
`define OR1200_ALUOP_COMP       4'd13
371
`define OR1200_ALUOP_MTSR       4'd14
372
`define OR1200_ALUOP_MFSR       4'd15
373
 
374
//
375
// MACOPs
376
//
377
`define OR1200_MACOP_WIDTH      2
378
`define OR1200_MACOP_NOP        2'b00
379
`define OR1200_MACOP_MAC        2'b01
380
`define OR1200_MACOP_MSB        2'b10
381
 
382
//
383
// Shift/rotate ops
384
//
385
`define OR1200_SHROTOP_WIDTH    2
386
`define OR1200_SHROTOP_NOP      2'd0
387
`define OR1200_SHROTOP_SLL      2'd0
388
`define OR1200_SHROTOP_SRL      2'd1
389
`define OR1200_SHROTOP_SRA      2'd2
390
`define OR1200_SHROTOP_ROR      2'd3
391
 
392
// Execution cycles per instruction
393
`define OR1200_MULTICYCLE_WIDTH 2
394
`define OR1200_ONE_CYCLE                2'd0
395
`define OR1200_TWO_CYCLES               2'd1
396
 
397
// Operand MUX selects
398
`define OR1200_SEL_WIDTH                2
399
`define OR1200_SEL_RF                   2'd0
400
`define OR1200_SEL_IMM                  2'd1
401
`define OR1200_SEL_EX_FORW              2'd2
402
`define OR1200_SEL_WB_FORW              2'd3
403
 
404
//
405
// BRANCHOPs
406
//
407
`define OR1200_BRANCHOP_WIDTH           3
408
`define OR1200_BRANCHOP_NOP             3'd0
409
`define OR1200_BRANCHOP_J               3'd1
410
`define OR1200_BRANCHOP_JR              3'd2
411
`define OR1200_BRANCHOP_BAL             3'd3
412
`define OR1200_BRANCHOP_BF              3'd4
413
`define OR1200_BRANCHOP_BNF             3'd5
414
`define OR1200_BRANCHOP_RFE             3'd6
415
 
416
//
417
// LSUOPs
418
//
419
// Bit 0: sign extend
420
// Bits 1-2: 00 doubleword, 01 byte, 10 halfword, 11 singleword
421
// Bit 3: 0 load, 1 store
422
`define OR1200_LSUOP_WIDTH              4
423
`define OR1200_LSUOP_NOP                4'b0000
424
`define OR1200_LSUOP_LBZ                4'b0010
425
`define OR1200_LSUOP_LBS                4'b0011
426
`define OR1200_LSUOP_LHZ                4'b0100
427
`define OR1200_LSUOP_LHS                4'b0101
428
`define OR1200_LSUOP_LWZ                4'b0110
429
`define OR1200_LSUOP_LWS                4'b0111
430
`define OR1200_LSUOP_LD         4'b0001
431
`define OR1200_LSUOP_SD         4'b1000
432
`define OR1200_LSUOP_SB         4'b1010
433
`define OR1200_LSUOP_SH         4'b1100
434
`define OR1200_LSUOP_SW         4'b1110
435
 
436
// FETCHOPs
437
`define OR1200_FETCHOP_WIDTH            1
438
`define OR1200_FETCHOP_NOP              1'b0
439
`define OR1200_FETCHOP_LW               1'b1
440
 
441
//
442
// Register File Write-Back OPs
443
//
444
// Bit 0: register file write enable
445
// Bits 2-1: write-back mux selects
446
`define OR1200_RFWBOP_WIDTH             3
447
`define OR1200_RFWBOP_NOP               3'b000
448
`define OR1200_RFWBOP_ALU               3'b001
449
`define OR1200_RFWBOP_LSU               3'b011
450
`define OR1200_RFWBOP_SPRS              3'b101
451
`define OR1200_RFWBOP_LR                3'b111
452
 
453
// Compare instructions
454
`define OR1200_COP_SFEQ       3'b000
455
`define OR1200_COP_SFNE       3'b001
456
`define OR1200_COP_SFGT       3'b010
457
`define OR1200_COP_SFGE       3'b011
458
`define OR1200_COP_SFLT       3'b100
459
`define OR1200_COP_SFLE       3'b101
460
`define OR1200_COP_X          3'b111
461
`define OR1200_SIGNED_COMPARE 'd3
462
`define OR1200_COMPOP_WIDTH     4
463
 
464
//
465
// TAGs for instruction bus
466
//
467
`define OR1200_ITAG_IDLE        4'h0    // idle bus
468
`define OR1200_ITAG_NI          4'h1    // normal insn
469
`define OR1200_ITAG_BE          4'hb    // Bus error exception
470
`define OR1200_ITAG_PE          4'hc    // Page fault exception
471
`define OR1200_ITAG_TE          4'hd    // TLB miss exception
472
 
473
//
474
// TAGs for data bus
475
//
476
`define OR1200_DTAG_IDLE        4'h0    // idle bus
477
`define OR1200_DTAG_ND          4'h1    // normal data
478
`define OR1200_DTAG_AE          4'ha    // Alignment exception
479
`define OR1200_DTAG_BE          4'hb    // Bus error exception
480
`define OR1200_DTAG_PE          4'hc    // Page fault exception
481
`define OR1200_DTAG_TE          4'hd    // TLB miss exception
482
 
483
 
484
//////////////////////////////////////////////
485
//
486
// ORBIS32 ISA specifics
487
//
488
 
489
// SHROT_OP position in machine word
490
`define OR1200_SHROTOP_POS              7:6
491
 
492
// ALU instructions multicycle field in machine word
493
`define OR1200_ALUMCYC_POS              9:8
494
 
495
//
496
// Instruction opcode groups (basic)
497
//
498
`define OR1200_OR32_J                 6'b000000
499
`define OR1200_OR32_JAL               6'b000001
500
`define OR1200_OR32_BNF               6'b000011
501
`define OR1200_OR32_BF                6'b000100
502
`define OR1200_OR32_NOP               6'b000101
503
`define OR1200_OR32_MOVHI             6'b000110
504
`define OR1200_OR32_XSYNC             6'b001000
505
`define OR1200_OR32_RFE               6'b001001
506
/* */
507
`define OR1200_OR32_JR                6'b010001
508
`define OR1200_OR32_JALR              6'b010010
509
`define OR1200_OR32_MACI              6'b010011
510
/* */
511
`define OR1200_OR32_LWZ               6'b100001
512
`define OR1200_OR32_LBZ               6'b100011
513
`define OR1200_OR32_LBS               6'b100100
514
`define OR1200_OR32_LHZ               6'b100101
515
`define OR1200_OR32_LHS               6'b100110
516
`define OR1200_OR32_ADDI              6'b100111
517
`define OR1200_OR32_ADDIC             6'b101000
518
`define OR1200_OR32_ANDI              6'b101001
519
`define OR1200_OR32_ORI               6'b101010
520
`define OR1200_OR32_XORI              6'b101011
521
`define OR1200_OR32_MULI              6'b101100
522
`define OR1200_OR32_MFSPR             6'b101101
523
`define OR1200_OR32_SH_ROTI           6'b101110
524
`define OR1200_OR32_SFXXI             6'b101111
525
/* */
526
`define OR1200_OR32_MTSPR             6'b110000
527
`define OR1200_OR32_MACMSB            6'b110001
528
/* */
529
`define OR1200_OR32_SW                6'b110101
530
`define OR1200_OR32_SB                6'b110110
531
`define OR1200_OR32_SH                6'b110111
532
`define OR1200_OR32_ALU               6'b111000
533
`define OR1200_OR32_SFXX              6'b111001
534
 
535
 
536
/////////////////////////////////////////////////////
537
//
538
// Exceptions
539
//
540
`define OR1200_EXCEPT_WIDTH 4
541
`define OR1200_EXCEPT_UNUSED            `OR1200_EXCEPT_WIDTH'hf
542
`define OR1200_EXCEPT_TRAP              `OR1200_EXCEPT_WIDTH'he
543
`define OR1200_EXCEPT_BREAK             `OR1200_EXCEPT_WIDTH'hd
544
`define OR1200_EXCEPT_SYSCALL           `OR1200_EXCEPT_WIDTH'hc
545
`define OR1200_EXCEPT_RANGE             `OR1200_EXCEPT_WIDTH'hb
546
`define OR1200_EXCEPT_ITLBMISS          `OR1200_EXCEPT_WIDTH'ha
547
`define OR1200_EXCEPT_DTLBMISS          `OR1200_EXCEPT_WIDTH'h9
548 589 lampret
`define OR1200_EXCEPT_INT               `OR1200_EXCEPT_WIDTH'h8
549 504 lampret
`define OR1200_EXCEPT_ILLEGAL           `OR1200_EXCEPT_WIDTH'h7
550
`define OR1200_EXCEPT_ALIGN             `OR1200_EXCEPT_WIDTH'h6
551 589 lampret
`define OR1200_EXCEPT_TICK              `OR1200_EXCEPT_WIDTH'h5
552 504 lampret
`define OR1200_EXCEPT_IPF               `OR1200_EXCEPT_WIDTH'h4
553
`define OR1200_EXCEPT_DPF               `OR1200_EXCEPT_WIDTH'h3
554
`define OR1200_EXCEPT_BUSERR            `OR1200_EXCEPT_WIDTH'h2
555
`define OR1200_EXCEPT_RESET             `OR1200_EXCEPT_WIDTH'h1
556
`define OR1200_EXCEPT_NONE              `OR1200_EXCEPT_WIDTH'h0
557
 
558
 
559
/////////////////////////////////////////////////////
560
//
561
// SPR groups
562
//
563
 
564
// Bits that define the group
565
`define OR1200_SPR_GROUP_BITS   15:11
566
 
567
// Width of the group bits
568
`define OR1200_SPR_GROUP_WIDTH  5
569
 
570
// Bits that define offset inside the group
571
`define OR1200_SPR_OFS_BITS 10:0
572
 
573
// List of groups
574
`define OR1200_SPR_GROUP_SYS    5'd00
575
`define OR1200_SPR_GROUP_DMMU   5'd01
576
`define OR1200_SPR_GROUP_IMMU   5'd02
577
`define OR1200_SPR_GROUP_DC     5'd03
578
`define OR1200_SPR_GROUP_IC     5'd04
579
`define OR1200_SPR_GROUP_MAC    5'd05
580
`define OR1200_SPR_GROUP_DU     5'd06
581
`define OR1200_SPR_GROUP_PM     5'd08
582
`define OR1200_SPR_GROUP_PIC    5'd09
583
`define OR1200_SPR_GROUP_TT     5'd10
584
 
585
 
586
/////////////////////////////////////////////////////
587
//
588
// System group
589
//
590
 
591
//
592
// System registers
593
//
594
`define OR1200_SPR_CFGR         7'd0
595
`define OR1200_SPR_RF           6'd32   // 1024 >> 5
596
`define OR1200_SPR_NPC          11'd16
597
`define OR1200_SPR_SR           11'd17
598
`define OR1200_SPR_PPC          11'd18
599
`define OR1200_SPR_EPCR         11'd32
600
`define OR1200_SPR_EEAR         11'd48
601
`define OR1200_SPR_ESR          11'd64
602
 
603
//
604
// SR bits
605
//
606 589 lampret
`define OR1200_SR_WIDTH 16
607
`define OR1200_SR_SM   0
608
`define OR1200_SR_TEE  1
609
`define OR1200_SR_IEE  2
610 504 lampret
`define OR1200_SR_DCE  3
611
`define OR1200_SR_ICE  4
612
`define OR1200_SR_DME  5
613
`define OR1200_SR_IME  6
614
`define OR1200_SR_LEE  7
615
`define OR1200_SR_CE   8
616
`define OR1200_SR_F    9
617 589 lampret
`define OR1200_SR_CY   10       // Unused
618
`define OR1200_SR_OV   11       // Unused
619
`define OR1200_SR_OVE  12       // Unused
620
`define OR1200_SR_DSX  13       // Unused
621
`define OR1200_SR_EPH  14
622
`define OR1200_SR_FO   15
623
`define OR1200_SR_CID  31:28    // Unimplemented
624 504 lampret
 
625
// Bits that define offset inside the group
626
`define OR1200_SPROFS_BITS 10:0
627
 
628
//
629
// VR, UPR and Configuration Registers
630
//
631
 
632
// Define if you want configuration registers implemented
633
`define OR1200_CFGR_IMPLEMENTED
634
 
635
// Define if you want full address decode inside SYS group
636
`define OR1200_SYS_FULL_DECODE
637
 
638
// Offsets of VR, UPR and CFGR registers
639
`define OR1200_SPRGRP_SYS_VR            4'h0
640
`define OR1200_SPRGRP_SYS_UPR           4'h1
641
`define OR1200_SPRGRP_SYS_CPUCFGR       4'h2
642
`define OR1200_SPRGRP_SYS_DMMUCFGR      4'h3
643
`define OR1200_SPRGRP_SYS_IMMUCFGR      4'h4
644
`define OR1200_SPRGRP_SYS_DCCFGR        4'h5
645
`define OR1200_SPRGRP_SYS_ICCFGR        4'h6
646
`define OR1200_SPRGRP_SYS_DCFGR 4'h7
647
 
648
// VR fields
649
`define OR1200_VR_REV_BITS              5:0
650
`define OR1200_VR_RES1_BITS             15:6
651
`define OR1200_VR_CFG_BITS              23:16
652
`define OR1200_VR_VER_BITS              31:24
653
 
654
// VR values
655
`define OR1200_VR_REV                   6'h00
656
`define OR1200_VR_RES1                  10'h000
657
`define OR1200_VR_CFG                   8'h00
658
`define OR1200_VR_VER                   8'h12
659
 
660
// UPR fields
661
`define OR1200_UPR_UP_BITS              0
662
`define OR1200_UPR_DCP_BITS             1
663
`define OR1200_UPR_ICP_BITS             2
664
`define OR1200_UPR_DMP_BITS             3
665
`define OR1200_UPR_IMP_BITS             4
666
`define OR1200_UPR_MP_BITS              5
667
`define OR1200_UPR_DUP_BITS             6
668
`define OR1200_UPR_PCUP_BITS            7
669
`define OR1200_UPR_PMP_BITS             8
670
`define OR1200_UPR_PICP_BITS            9
671
`define OR1200_UPR_TTP_BITS             10
672
`define OR1200_UPR_RES1_BITS            23:11
673
`define OR1200_UPR_CUP_BITS             31:24
674
 
675
// UPR values
676
`define OR1200_UPR_UP                   1'b1
677
`define OR1200_UPR_DCP                  1'b1
678
`define OR1200_UPR_ICP                  1'b1
679
`define OR1200_UPR_DMP                  1'b1
680
`define OR1200_UPR_IMP                  1'b1
681
`define OR1200_UPR_MP                   1'b1
682
`define OR1200_UPR_DUP                  1'b1
683
`define OR1200_UPR_PCUP         1'b0
684
`define OR1200_UPR_PMP                  1'b1
685
`define OR1200_UPR_PICP         1'b1
686
`define OR1200_UPR_TTP                  1'b1
687
`define OR1200_UPR_RES1         13'h0000
688
`define OR1200_UPR_CUP                  8'h00
689
 
690
// CPUCFGR fields
691
`define OR1200_CPUCFGR_NSGF_BITS        3:0
692
`define OR1200_CPUCFGR_HGF_BITS 4
693
`define OR1200_CPUCFGR_OB32S_BITS       5
694
`define OR1200_CPUCFGR_OB64S_BITS       6
695
`define OR1200_CPUCFGR_OF32S_BITS       7
696
`define OR1200_CPUCFGR_OF64S_BITS       8
697
`define OR1200_CPUCFGR_OV64S_BITS       9
698
`define OR1200_CPUCFGR_RES1_BITS        31:10
699
 
700
// CPUCFGR values
701
`define OR1200_CPUCFGR_NSGF             4'h0
702
`define OR1200_CPUCFGR_HGF              1'b0
703
`define OR1200_CPUCFGR_OB32S            1'b1
704
`define OR1200_CPUCFGR_OB64S            1'b0
705
`define OR1200_CPUCFGR_OF32S            1'b0
706
`define OR1200_CPUCFGR_OF64S            1'b0
707
`define OR1200_CPUCFGR_OV64S            1'b0
708
`define OR1200_CPUCFGR_RES1             22'h000000
709
 
710
// DMMUCFGR fields
711
`define OR1200_DMMUCFGR_NTW_BITS        1:0
712
`define OR1200_DMMUCFGR_NTS_BITS        4:2
713
`define OR1200_DMMUCFGR_NAE_BITS        7:5
714
`define OR1200_DMMUCFGR_CRI_BITS        8
715
`define OR1200_DMMUCFGR_PRI_BITS        9
716
`define OR1200_DMMUCFGR_TEIRI_BITS      10
717
`define OR1200_DMMUCFGR_HTR_BITS        11
718
`define OR1200_DMMUCFGR_RES1_BITS       31:12
719
 
720
// DMMUCFGR values
721
`define OR1200_DMMUCFGR_NTW             2'h0
722
`define OR1200_DMMUCFGR_NTS             3'h5
723
`define OR1200_DMMUCFGR_NAE             3'h0
724
`define OR1200_DMMUCFGR_CRI             1'b0
725
`define OR1200_DMMUCFGR_PRI             1'b0
726
`define OR1200_DMMUCFGR_TEIRI           1'b1
727
`define OR1200_DMMUCFGR_HTR             1'b0
728
`define OR1200_DMMUCFGR_RES1            20'h00000
729
 
730
// IMMUCFGR fields
731
`define OR1200_IMMUCFGR_NTW_BITS        1:0
732
`define OR1200_IMMUCFGR_NTS_BITS        4:2
733
`define OR1200_IMMUCFGR_NAE_BITS        7:5
734
`define OR1200_IMMUCFGR_CRI_BITS        8
735
`define OR1200_IMMUCFGR_PRI_BITS        9
736
`define OR1200_IMMUCFGR_TEIRI_BITS      10
737
`define OR1200_IMMUCFGR_HTR_BITS        11
738
`define OR1200_IMMUCFGR_RES1_BITS       31:12
739
 
740
// IMMUCFGR values
741
`define OR1200_IMMUCFGR_NTW             2'h0
742
`define OR1200_IMMUCFGR_NTS             3'h5
743
`define OR1200_IMMUCFGR_NAE             3'h0
744
`define OR1200_IMMUCFGR_CRI             1'b0
745
`define OR1200_IMMUCFGR_PRI             1'b0
746
`define OR1200_IMMUCFGR_TEIRI           1'b1
747
`define OR1200_IMMUCFGR_HTR             1'b0
748
`define OR1200_IMMUCFGR_RES1            20'h00000
749
 
750
// DCCFGR fields
751
`define OR1200_DCCFGR_NCW_BITS          2:0
752
`define OR1200_DCCFGR_NCS_BITS          6:3
753
`define OR1200_DCCFGR_CBS_BITS          7
754
`define OR1200_DCCFGR_CWS_BITS          8
755
`define OR1200_DCCFGR_CCRI_BITS 9
756
`define OR1200_DCCFGR_CBIRI_BITS        10
757
`define OR1200_DCCFGR_CBPRI_BITS        11
758
`define OR1200_DCCFGR_CBLRI_BITS        12
759
`define OR1200_DCCFGR_CBFRI_BITS        13
760
`define OR1200_DCCFGR_CBWBRI_BITS       14
761
`define OR1200_DCCFGR_RES1_BITS 31:15
762
 
763
// DCCFGR values
764
`define OR1200_DCCFGR_NCW               3'h0
765
`define OR1200_DCCFGR_NCS               4'h5
766
`define OR1200_DCCFGR_CBS               1'b0
767
`define OR1200_DCCFGR_CWS               1'b0
768
`define OR1200_DCCFGR_CCRI              1'b1
769
`define OR1200_DCCFGR_CBIRI             1'b1
770
`define OR1200_DCCFGR_CBPRI             1'b0
771
`define OR1200_DCCFGR_CBLRI             1'b0
772
`define OR1200_DCCFGR_CBFRI             1'b0
773
`define OR1200_DCCFGR_CBWBRI            1'b1
774
`define OR1200_DCCFGR_RES1              17'h00000
775
 
776
// ICCFGR fields
777
`define OR1200_ICCFGR_NCW_BITS          2:0
778
`define OR1200_ICCFGR_NCS_BITS          6:3
779
`define OR1200_ICCFGR_CBS_BITS          7
780
`define OR1200_ICCFGR_CWS_BITS          8
781
`define OR1200_ICCFGR_CCRI_BITS 9
782
`define OR1200_ICCFGR_CBIRI_BITS        10
783
`define OR1200_ICCFGR_CBPRI_BITS        11
784
`define OR1200_ICCFGR_CBLRI_BITS        12
785
`define OR1200_ICCFGR_CBFRI_BITS        13
786
`define OR1200_ICCFGR_CBWBRI_BITS       14
787
`define OR1200_ICCFGR_RES1_BITS 31:15
788
 
789
// ICCFGR values
790
`define OR1200_ICCFGR_NCW               3'h0
791
`define OR1200_ICCFGR_NCS               4'h5
792
`define OR1200_ICCFGR_CBS               1'b0
793
`define OR1200_ICCFGR_CWS               1'b0
794
`define OR1200_ICCFGR_CCRI              1'b1
795
`define OR1200_ICCFGR_CBIRI             1'b1
796
`define OR1200_ICCFGR_CBPRI             1'b0
797
`define OR1200_ICCFGR_CBLRI             1'b0
798
`define OR1200_ICCFGR_CBFRI             1'b0
799
`define OR1200_ICCFGR_CBWBRI            1'b1
800
`define OR1200_ICCFGR_RES1              17'h00000
801
 
802
// DCFGR fields
803
`define OR1200_DCFGR_NDP_BITS           2:0
804
`define OR1200_DCFGR_WPCI_BITS          3
805
`define OR1200_DCFGR_RES1_BITS          31:4
806
 
807
// DCFGR values
808
`define OR1200_DCFGR_NDP                3'h0
809
`define OR1200_DCFGR_WPCI               1'b0
810
`define OR1200_DCFGR_RES1               28'h0000000
811
 
812
 
813
/////////////////////////////////////////////////////
814
//
815
// Power Management (PM)
816
//
817
 
818
// Define it if you want PM implemented
819
`define OR1200_PM_IMPLEMENTED
820
 
821
// Bit positions inside PMR (don't change)
822
`define OR1200_PM_PMR_SDF 3:0
823
`define OR1200_PM_PMR_DME 4
824
`define OR1200_PM_PMR_SME 5
825
`define OR1200_PM_PMR_DCGE 6
826
`define OR1200_PM_PMR_UNUSED 31:7
827
 
828
// PMR offset inside PM group of registers
829
`define OR1200_PM_OFS_PMR 11'b0
830
 
831
// PM group
832
`define OR1200_SPRGRP_PM 5'd8
833
 
834
// Define if PMR can be read/written at any address inside PM group
835
`define OR1200_PM_PARTIAL_DECODING
836
 
837
// Define if reading PMR is allowed
838
`define OR1200_PM_READREGS
839
 
840
// Define if unused PMR bits should be zero
841
`define OR1200_PM_UNUSED_ZERO
842
 
843
 
844
/////////////////////////////////////////////////////
845
//
846
// Debug Unit (DU)
847
//
848
 
849
// Define it if you want DU implemented
850
`define OR1200_DU_IMPLEMENTED
851
 
852
// Address offsets of DU registers inside DU group
853
`define OR1200_DU_OFS_DMR1 5'd16
854
`define OR1200_DU_OFS_DMR2 5'd17
855
`define OR1200_DU_OFS_DSR 5'd20
856
`define OR1200_DU_OFS_DRR 5'd21
857
 
858
// Position of offset bits inside SPR address
859
`define OR1200_DUOFS_BITS 4:0
860
 
861
// Define if you want these DU registers to be implemented
862
`define OR1200_DU_DMR1
863
`define OR1200_DU_DMR2
864
`define OR1200_DU_DSR
865
`define OR1200_DU_DRR
866
 
867
// DMR1 bits
868
`define OR1200_DU_DMR1_ST 22
869
 
870
// DSR bits
871
`define OR1200_DU_DSR_WIDTH     14
872
`define OR1200_DU_DSR_RSTE      0
873
`define OR1200_DU_DSR_BUSEE     1
874
`define OR1200_DU_DSR_DPFE      2
875
`define OR1200_DU_DSR_IPFE      3
876 589 lampret
`define OR1200_DU_DSR_TTE       4
877 504 lampret
`define OR1200_DU_DSR_AE        5
878
`define OR1200_DU_DSR_IIE       6
879 589 lampret
`define OR1200_DU_DSR_IE        7
880 504 lampret
`define OR1200_DU_DSR_DME       8
881
`define OR1200_DU_DSR_IME       9
882
`define OR1200_DU_DSR_RE        10
883
`define OR1200_DU_DSR_SCE       11
884
`define OR1200_DU_DSR_BE        12
885
`define OR1200_DU_DSR_TE        13
886
 
887
// DRR bits
888
`define OR1200_DU_DRR_RSTE      0
889
`define OR1200_DU_DRR_BUSEE     1
890
`define OR1200_DU_DRR_DPFE      2
891
`define OR1200_DU_DRR_IPFE      3
892 589 lampret
`define OR1200_DU_DRR_TTE       4
893 504 lampret
`define OR1200_DU_DRR_AE        5
894
`define OR1200_DU_DRR_IIE       6
895 589 lampret
`define OR1200_DU_DRR_IE        7
896 504 lampret
`define OR1200_DU_DRR_DME       8
897
`define OR1200_DU_DRR_IME       9
898
`define OR1200_DU_DRR_RE        10
899
`define OR1200_DU_DRR_SCE       11
900
`define OR1200_DU_DRR_BE        12
901
`define OR1200_DU_DRR_TE        13
902
 
903
// Define if reading DU regs is allowed
904
`define OR1200_DU_READREGS
905
 
906
// Define if unused DU registers bits should be zero
907
`define OR1200_DU_UNUSED_ZERO
908
 
909
// DU operation commands
910
`define OR1200_DU_OP_READSPR    3'd4
911
`define OR1200_DU_OP_WRITESPR   3'd5
912
 
913 737 lampret
// Define if IF/LSU status is not needed by devel i/f
914
`define OR1200_DU_STATUS_UNIMPLEMENTED
915 504 lampret
 
916
/////////////////////////////////////////////////////
917
//
918
// Programmable Interrupt Controller (PIC)
919
//
920
 
921
// Define it if you want PIC implemented
922
`define OR1200_PIC_IMPLEMENTED
923
 
924
// Define number of interrupt inputs (2-31)
925
`define OR1200_PIC_INTS 20
926
 
927
// Address offsets of PIC registers inside PIC group
928
`define OR1200_PIC_OFS_PICMR 2'd0
929
`define OR1200_PIC_OFS_PICSR 2'd2
930
 
931
// Position of offset bits inside SPR address
932
`define OR1200_PICOFS_BITS 1:0
933
 
934
// Define if you want these PIC registers to be implemented
935
`define OR1200_PIC_PICMR
936
`define OR1200_PIC_PICSR
937
 
938
// Define if reading PIC registers is allowed
939
`define OR1200_PIC_READREGS
940
 
941
// Define if unused PIC register bits should be zero
942
`define OR1200_PIC_UNUSED_ZERO
943
 
944
 
945
/////////////////////////////////////////////////////
946
//
947
// Tick Timer (TT)
948
//
949
 
950
// Define it if you want TT implemented
951
`define OR1200_TT_IMPLEMENTED
952
 
953
// Address offsets of TT registers inside TT group
954
`define OR1200_TT_OFS_TTMR 1'd0
955
`define OR1200_TT_OFS_TTCR 1'd1
956
 
957
// Position of offset bits inside SPR group
958
`define OR1200_TTOFS_BITS 0
959
 
960
// Define if you want these TT registers to be implemented
961
`define OR1200_TT_TTMR
962
`define OR1200_TT_TTCR
963
 
964
// TTMR bits
965
`define OR1200_TT_TTMR_TP 27:0
966
`define OR1200_TT_TTMR_IP 28
967
`define OR1200_TT_TTMR_IE 29
968
`define OR1200_TT_TTMR_M 31:30
969
 
970
// Define if reading TT registers is allowed
971
`define OR1200_TT_READREGS
972
 
973
 
974
//////////////////////////////////////////////
975
//
976
// MAC
977
//
978
`define OR1200_MAC_ADDR         0        // MACLO 0xxxxxxxx1, MACHI 0xxxxxxxx0
979
`define OR1200_MAC_SPR_WE               // Define if MACLO/MACHI are SPR writable
980
 
981
 
982
//////////////////////////////////////////////
983
//
984
// Data MMU (DMMU)
985
//
986
 
987
//
988
// Address that selects between TLB TR and MR
989
//
990 660 lampret
`define OR1200_DTLB_TM_ADDR     7
991 504 lampret
 
992
//
993
// DTLBMR fields
994
//
995
`define OR1200_DTLBMR_V_BITS    0
996
`define OR1200_DTLBMR_CID_BITS  4:1
997
`define OR1200_DTLBMR_RES_BITS  11:5
998
`define OR1200_DTLBMR_VPN_BITS  31:13
999
 
1000
//
1001
// DTLBTR fields
1002
//
1003
`define OR1200_DTLBTR_CC_BITS   0
1004
`define OR1200_DTLBTR_CI_BITS   1
1005
`define OR1200_DTLBTR_WBC_BITS  2
1006
`define OR1200_DTLBTR_WOM_BITS  3
1007
`define OR1200_DTLBTR_A_BITS    4
1008
`define OR1200_DTLBTR_D_BITS    5
1009
`define OR1200_DTLBTR_URE_BITS  6
1010
`define OR1200_DTLBTR_UWE_BITS  7
1011
`define OR1200_DTLBTR_SRE_BITS  8
1012
`define OR1200_DTLBTR_SWE_BITS  9
1013
`define OR1200_DTLBTR_RES_BITS  11:10
1014
`define OR1200_DTLBTR_PPN_BITS  31:13
1015
 
1016
//
1017
// DTLB configuration
1018
//
1019
`define OR1200_DMMU_PS          13                                      // 13 for 8KB page size
1020
`define OR1200_DTLB_INDXW       6                                       // 6 for 64 entry DTLB  7 for 128 entries
1021
`define OR1200_DTLB_INDXL       `OR1200_DMMU_PS                         // 13                   13
1022
`define OR1200_DTLB_INDXH       `OR1200_DMMU_PS+`OR1200_DTLB_INDXW-1    // 18                   19
1023
`define OR1200_DTLB_INDX        `OR1200_DTLB_INDXH:`OR1200_DTLB_INDXL   // 18:13                19:13
1024
`define OR1200_DTLB_TAGW        32-`OR1200_DTLB_INDXW-`OR1200_DMMU_PS   // 13                   12
1025
`define OR1200_DTLB_TAGL        `OR1200_DTLB_INDXH+1                    // 19                   20
1026
`define OR1200_DTLB_TAG         31:`OR1200_DTLB_TAGL                    // 31:19                31:20
1027
`define OR1200_DTLBMRW          `OR1200_DTLB_TAGW+1                     // +1 because of V bit
1028
`define OR1200_DTLBTRW          32-`OR1200_DMMU_PS+5                    // +5 because of protection bits and CI
1029
 
1030 660 lampret
//
1031
// Cache inhibit while DMMU is not enabled/implemented
1032
//
1033
// cache inhibited 0GB-4GB              1'b1
1034 735 lampret
// cache inhibited 0GB-2GB              !dcpu_adr_i[31]
1035
// cache inhibited 0GB-1GB 2GB-3GB      !dcpu_adr_i[30]
1036
// cache inhibited 1GB-2GB 3GB-4GB      dcpu_adr_i[30]
1037
// cache inhibited 2GB-4GB (default)    dcpu_adr_i[31]
1038 660 lampret
// cached 0GB-4GB                       1'b0
1039
//
1040
`define OR1200_DMMU_CI                  dcpu_adr_i[31]
1041 504 lampret
 
1042 660 lampret
 
1043 504 lampret
//////////////////////////////////////////////
1044
//
1045
// Insn MMU (IMMU)
1046
//
1047
 
1048
//
1049
// Address that selects between TLB TR and MR
1050
//
1051 660 lampret
`define OR1200_ITLB_TM_ADDR     7
1052 504 lampret
 
1053
//
1054
// ITLBMR fields
1055
//
1056
`define OR1200_ITLBMR_V_BITS    0
1057
`define OR1200_ITLBMR_CID_BITS  4:1
1058
`define OR1200_ITLBMR_RES_BITS  11:5
1059
`define OR1200_ITLBMR_VPN_BITS  31:13
1060
 
1061
//
1062
// ITLBTR fields
1063
//
1064
`define OR1200_ITLBTR_CC_BITS   0
1065
`define OR1200_ITLBTR_CI_BITS   1
1066
`define OR1200_ITLBTR_WBC_BITS  2
1067
`define OR1200_ITLBTR_WOM_BITS  3
1068
`define OR1200_ITLBTR_A_BITS    4
1069
`define OR1200_ITLBTR_D_BITS    5
1070
`define OR1200_ITLBTR_SXE_BITS  6
1071
`define OR1200_ITLBTR_UXE_BITS  7
1072
`define OR1200_ITLBTR_RES_BITS  11:8
1073
`define OR1200_ITLBTR_PPN_BITS  31:13
1074
 
1075
//
1076
// ITLB configuration
1077
//
1078
`define OR1200_IMMU_PS          13                                      // 13 for 8KB page size
1079
`define OR1200_ITLB_INDXW       6                                       // 6 for 64 entry ITLB  7 for 128 entries
1080
`define OR1200_ITLB_INDXL       `OR1200_IMMU_PS                         // 13                   13
1081
`define OR1200_ITLB_INDXH       `OR1200_IMMU_PS+`OR1200_ITLB_INDXW-1    // 18                   19
1082
`define OR1200_ITLB_INDX        `OR1200_ITLB_INDXH:`OR1200_ITLB_INDXL   // 18:13                19:13
1083
`define OR1200_ITLB_TAGW        32-`OR1200_ITLB_INDXW-`OR1200_IMMU_PS   // 13                   12
1084
`define OR1200_ITLB_TAGL        `OR1200_ITLB_INDXH+1                    // 19                   20
1085
`define OR1200_ITLB_TAG         31:`OR1200_ITLB_TAGL                    // 31:19                31:20
1086
`define OR1200_ITLBMRW          `OR1200_ITLB_TAGW+1                     // +1 because of V bit
1087
`define OR1200_ITLBTRW          32-`OR1200_IMMU_PS+3                    // +3 because of protection bits and CI
1088
 
1089 660 lampret
//
1090
// Cache inhibit while IMMU is not enabled/implemented
1091 735 lampret
// Note: all combinations that use icpu_adr_i cause async loop
1092 660 lampret
//
1093
// cache inhibited 0GB-4GB              1'b1
1094 735 lampret
// cache inhibited 0GB-2GB              !icpu_adr_i[31]
1095
// cache inhibited 0GB-1GB 2GB-3GB      !icpu_adr_i[30]
1096
// cache inhibited 1GB-2GB 3GB-4GB      icpu_adr_i[30]
1097
// cache inhibited 2GB-4GB (default)    icpu_adr_i[31]
1098 660 lampret
// cached 0GB-4GB                       1'b0
1099
//
1100 735 lampret
`define OR1200_IMMU_CI                  1'b0
1101 504 lampret
 
1102 660 lampret
 
1103 504 lampret
/////////////////////////////////////////////////
1104
//
1105
// Insn cache (IC)
1106
//
1107
 
1108
// 3 for 8 bytes, 4 for 16 bytes etc
1109
`define OR1200_ICLS             4
1110
 
1111
//
1112
// IC configurations
1113
//
1114
`ifdef OR1200_IC_1W_4KB
1115
`define OR1200_ICSIZE                   12                      // 4096
1116
`define OR1200_ICINDX                   `OR1200_ICSIZE-2        // 10
1117
`define OR1200_ICINDXH                  `OR1200_ICSIZE-1        // 11
1118
`define OR1200_ICTAGL                   `OR1200_ICINDXH+1       // 12
1119
`define OR1200_ICTAG                    `OR1200_ICSIZE-`OR1200_ICLS     // 8
1120
`define OR1200_ICTAG_W                  21
1121
`endif
1122
`ifdef OR1200_IC_1W_8KB
1123
`define OR1200_ICSIZE                   13                      // 8192
1124
`define OR1200_ICINDX                   `OR1200_ICSIZE-2        // 11
1125
`define OR1200_ICINDXH                  `OR1200_ICSIZE-1        // 12
1126
`define OR1200_ICTAGL                   `OR1200_ICINDXH+1       // 13
1127
`define OR1200_ICTAG                    `OR1200_ICSIZE-`OR1200_ICLS     // 9
1128
`define OR1200_ICTAG_W                  20
1129
`endif
1130
 
1131
 
1132
/////////////////////////////////////////////////
1133
//
1134
// Data cache (DC)
1135
//
1136
 
1137
// 3 for 8 bytes, 4 for 16 bytes etc
1138
`define OR1200_DCLS             4
1139
 
1140 636 lampret
// Define to perform store refill (potential performance penalty)
1141
// `define OR1200_DC_STORE_REFILL
1142
 
1143 504 lampret
//
1144
// DC configurations
1145
//
1146
`ifdef OR1200_DC_1W_4KB
1147
`define OR1200_DCSIZE                   12                      // 4096
1148
`define OR1200_DCINDX                   `OR1200_DCSIZE-2        // 10
1149
`define OR1200_DCINDXH                  `OR1200_DCSIZE-1        // 11
1150
`define OR1200_DCTAGL                   `OR1200_DCINDXH+1       // 12
1151
`define OR1200_DCTAG                    `OR1200_DCSIZE-`OR1200_DCLS     // 8
1152
`define OR1200_DCTAG_W                  21
1153
`endif
1154
`ifdef OR1200_DC_1W_8KB
1155
`define OR1200_DCSIZE                   13                      // 8192
1156
`define OR1200_DCINDX                   `OR1200_DCSIZE-2        // 11
1157
`define OR1200_DCINDXH                  `OR1200_DCSIZE-1        // 12
1158
`define OR1200_DCTAGL                   `OR1200_DCINDXH+1       // 13
1159
`define OR1200_DCTAG                    `OR1200_DCSIZE-`OR1200_DCLS     // 9
1160
`define OR1200_DCTAG_W                  20
1161
`endif

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