mipsNN.h revision 1.10 1 /* $NetBSD: mipsNN.h,v 1.10 2020/07/31 02:34:38 simonb Exp $ */
2
3 /*
4 * Copyright 2000, 2001
5 * Broadcom Corporation. All rights reserved.
6 *
7 * This software is furnished under license and may be used and copied only
8 * in accordance with the following terms and conditions. Subject to these
9 * conditions, you may download, copy, install, use, modify and distribute
10 * modified or unmodified copies of this software in source and/or binary
11 * form. No title or ownership is transferred hereby.
12 *
13 * 1) Any source code used, modified or distributed must reproduce and
14 * retain this copyright notice and list of conditions as they appear in
15 * the source file.
16 *
17 * 2) No right is granted to use any trade name, trademark, or logo of
18 * Broadcom Corporation. The "Broadcom Corporation" name may not be
19 * used to endorse or promote products derived from this software
20 * without the prior written permission of Broadcom Corporation.
21 *
22 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
25 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
26 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
27 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
32 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 /*
36 * Values related to the MIPS32/MIPS64 Privileged Resource Architecture.
37 */
38
39 #define _MIPSNN_SHIFT(reg) __MIPSNN_SHIFT(reg)
40 #define __MIPSNN_SHIFT(reg) MIPSNN_ ## reg ## _SHIFT
41 #define _MIPSNN_MASK(reg) __MIPSNN_MASK(reg)
42 #define __MIPSNN_MASK(reg) MIPSNN_ ## reg ## _MASK
43
44 #define MIPSNN_GET(reg, x) \
45 ((unsigned)((x) & _MIPSNN_MASK(reg)) >> _MIPSNN_SHIFT(reg))
46 #define MIPSNN_PUT(reg, val) \
47 (((x) << _MIPSNN_SHIFT(reg)) & _MIPSNN_MASK(reg))
48
49 /*
50 * Values in Configuration Register (CP0 Register 16, Select 0)
51 */
52
53 /* "M" (R): Configuration Register 1 present if set. Defined as always set. */
54 #define MIPSNN_CFG_M 0x80000000
55
56 /* Reserved for CPU implementations. */
57 // reserved 0x7fff0000
58
59 /* "BE" (R): Big endian if set, little endian if clear. */
60 #define MIPSNN_CFG_BE 0x00008000
61
62 /* "AT" (R): architecture type implemented by processor */
63 #define MIPSNN_CFG_AT_MASK 0x00006000
64 #define MIPSNN_CFG_AT_SHIFT 13
65
66 #define MIPSNN_CFG_AT_MIPS32 0 /* MIPS32 */
67 #define MIPSNN_CFG_AT_MIPS64S 1 /* MIPS64S */
68 #define MIPSNN_CFG_AT_MIPS64 2 /* MIPS64 */
69 // reserved 3
70
71 /* "AR" (R): Architecture revision level implemented by proc. */
72 #define MIPSNN_CFG_AR_MASK 0x00001c00
73 #define MIPSNN_CFG_AR_SHIFT 10
74
75 #define MIPSNN_CFG_AR_REV1 0 /* Revision 1 */
76 #define MIPSNN_CFG_AR_REV2 1 /* Revision 2 */
77 // reserved other values
78
79 /* "MT" (R): MMU type implemented by processor */
80 #define MIPSNN_CFG_MT_MASK 0x00000380
81 #define MIPSNN_CFG_MT_SHIFT 7
82
83 #define MIPSNN_CFG_MT_NONE 0 /* No MMU */
84 #define MIPSNN_CFG_MT_TLB 1 /* Std TLB */
85 #define MIPSNN_CFG_MT_BAT 2 /* Std BAT */
86 #define MIPSNN_CFG_MT_FIXED 3 /* Std Fixed mapping */
87 // reserved other values
88
89 /* Reserved. Write as 0, reads as 0. */
90 // reserved 0x00000070
91
92 /* "M" (R): Virtual instruction cache if set. */
93 #define MIPSNN_CFG_VI 0x00000008
94
95 /* "K0" (RW): Kseg0 coherency algorithm. (values are TLB_ATTRs) */
96 #define MIPSNN_CFG_K0_MASK 0x00000007
97 #define MIPSNN_CFG_K0_SHIFT 0
98
99
100 /*
101 * Values in Configuration Register 1 (CP0 Register 16, Select 1)
102 */
103
104 /* M (R): Configuration Register 2 present. */
105 #define MIPSNN_CFG1_M 0x80000000
106
107 /* MS (R): Number of TLB entries - 1. */
108 #define MIPSNN_CFG1_MS_MASK 0x7e000000
109 #define MIPSNN_CFG1_MS_SHIFT 25
110
111 #define MIPSNN_CFG1_MS(x) (MIPSNN_GET(CFG1_MS, (x)) + 1)
112
113 /* "IS" (R): (Primary) I-cache sets per way. */
114 #define MIPSNN_CFG1_IS_MASK 0x01c00000
115 #define MIPSNN_CFG1_IS_SHIFT 22
116
117 #define MIPSNN_CFG1_IS_RSVD 7 /* rsvd value, otherwise: */
118 #define MIPSNN_CFG1_IS(x) (64 << MIPSNN_GET(CFG1_IS, (x)))
119
120 /* "IL" (R): (Primary) I-cache line size. */
121 #define MIPSNN_CFG1_IL_MASK 0x00380000
122 #define MIPSNN_CFG1_IL_SHIFT 19
123
124 #define MIPSNN_CFG1_IL_NONE 0 /* No I-cache, */
125 #define MIPSNN_CFG1_IL_RSVD 7 /* rsvd value, otherwise: */
126 #define MIPSNN_CFG1_IL(x) (2 << MIPSNN_GET(CFG1_IL, (x)))
127
128 /* "IA" (R): (Primary) I-cache associativity (ways - 1). */
129 #define MIPSNN_CFG1_IA_MASK 0x00070000
130 #define MIPSNN_CFG1_IA_SHIFT 16
131
132 #define MIPSNN_CFG1_IA(x) MIPSNN_GET(CFG1_IA, (x))
133
134 /* "DS" (R): (Primary) D-cache sets per way. */
135 #define MIPSNN_CFG1_DS_MASK 0x0000e000
136 #define MIPSNN_CFG1_DS_SHIFT 13
137
138 #define MIPSNN_CFG1_DS_RSVD 7 /* rsvd value, otherwise: */
139 #define MIPSNN_CFG1_DS(x) (64 << MIPSNN_GET(CFG1_DS, (x)))
140
141 /* "DL" (R): (Primary) D-cache line size. */
142 #define MIPSNN_CFG1_DL_MASK 0x00001c00
143 #define MIPSNN_CFG1_DL_SHIFT 10
144
145 #define MIPSNN_CFG1_DL_NONE 0 /* No D-cache, */
146 #define MIPSNN_CFG1_DL_RSVD 7 /* rsvd value, otherwise: */
147 #define MIPSNN_CFG1_DL(x) (2 << MIPSNN_GET(CFG1_DL, (x)))
148
149 /* "DA" (R): (Primary) D-cache associativity (ways - 1). */
150 #define MIPSNN_CFG1_DA_MASK 0x00000380
151 #define MIPSNN_CFG1_DA_SHIFT 7
152
153 #define MIPSNN_CFG1_DA(x) MIPSNN_GET(CFG1_DA, (x))
154
155 /* "C2" (R): Coprocessor 2 implemented if set. */
156 #define MIPSNN_CFG1_C2 0x00000040
157
158 /* "MD" (R): MDMX ASE implemented if set. */
159 #define MIPSNN_CFG1_MD 0x00000020
160
161 /* "PC" (R): Performance Counters implemented if set. */
162 #define MIPSNN_CFG1_PC 0x00000010
163
164 /* "WR" (R): Watch registers implemented if set. */
165 #define MIPSNN_CFG1_WR 0x00000008
166
167 /* "CA" (R): Code compressiong (MIPS16) implemented if set. */
168 #define MIPSNN_CFG1_CA 0x00000004
169
170 /* "EP" (R): EJTAG implemented if set. */
171 #define MIPSNN_CFG1_EP 0x00000002
172
173 /* "FP" (R): FPU implemented if set. */
174 #define MIPSNN_CFG1_FP 0x00000001
175
176 /*
177 * Values in Configuration Register 2 (CP0 Register 16, Select 2)
178 */
179
180 /* "M" (R): Configuration Register 3 present. */
181 #define MIPSNN_CFG2_M 0x80000000
182
183 /* "TU" (RW): Implementation specific tertiary cache status and control. */
184 #define MIPSNN_CFG2_TU_MASK 0x70000000
185 #define MIPSNN_CFG2_TU_SHIFT 28
186
187 /* "TS" (R): Tertiary cache sets per way. */
188 #define MIPSNN_CFG2_TS_MASK 0x07000000
189 #define MIPSNN_CFG2_TS_SHIFT 24
190
191 #define MIPSNN_CFG2_TS(x) (64 << MIPSNN_GET(CFG2_TS, (x)))
192
193 /* "TL" (R): Tertiary cache line size. */
194 #define MIPSNN_CFG2_TL_MASK 0x00700000
195 #define MIPSNN_CFG2_TL_SHIFT 20
196
197 #define MIPSNN_CFG2_TL_NONE 0 /* No Tertiary cache */
198 #define MIPSNN_CFG2_TL(x) (2 << MIPSNN_GET(CFG2_TL, (x)))
199
200 /* "TA" (R): Tertiary cache associativity (ways - 1). */
201 #define MIPSNN_CFG2_TA_MASK 0x00070000
202 #define MIPSNN_CFG2_TA_SHIFT 16
203
204 #define MIPSNN_CFG2_TA(x) MIPSNN_GET(CFG2_TA, (x))
205
206 /* "SU" (RW): Implementation specific secondary cache status and control. */
207 #define MIPSNN_CFG2_SU_MASK 0x0000f000
208 #define MIPSNN_CFG2_SU_SHIFT 12
209
210 /* "SS" (R): Secondary cache sets per way. */
211 #define MIPSNN_CFG2_SS_MASK 0x00000700
212 #define MIPSNN_CFG2_SS_SHIFT 8
213
214 #define MIPSNN_CFG2_SS(x) (64 << MIPSNN_GET(CFG2_SS, (x)))
215
216 /* "SL" (R): Secdonary cache line size. */
217 #define MIPSNN_CFG2_SL_MASK 0x00000070
218 #define MIPSNN_CFG2_SL_SHIFT 4
219
220 #define MIPSNN_CFG2_SL_NONE 0 /* No Secondary cache */
221 #define MIPSNN_CFG2_SL(x) (2 << MIPSNN_GET(CFG2_SL, (x)))
222
223 /* "SA" (R): Secondary cache associativity (ways - 1). */
224 #define MIPSNN_CFG2_SA_MASK 0x00000007
225 #define MIPSNN_CFG2_SA_SHIFT 0
226
227 #define MIPSNN_CFG2_SA(x) MIPSNN_GET(CFG2_SA, (x))
228
229 /*
230 * Values in Configuration Register 3 (CP0 Register 16, Select 3)
231 */
232
233 /* "M" (R): Configuration Register 4 present. */
234 #define MIPSNN_CFG3_M 0x80000000
235
236 /* "BPG" (R): Big Pages feature is implemented (PageMask is 64-bits wide). */
237 #define MIPSNN_CFG3_BPG 0x40000000
238
239 /* "CMGCR" (R): Coherency Manager memory-mapped Global Configuration Register Space is implemented. */
240 #define MIPSNN_CFG3_CMGCR 0x20000000
241
242 /* "IPLW" (R): Width of Status[IPL] and Cause[RIPL] fields. */
243 #define MIPSNN_CFG3_IPLW_MASK 0x00600000
244 #define MIPSNN_CFG3_IPLW_SHIFT 21
245
246 #define MIPSNN_CFG3_IPLW_6BITS 0 /* IPL and RIPL fields are 6-bits in width. */
247 #define MIPSNN_CFG3_IPLW_8BITS 1 /* IPL and RIPL fields are 8-bits in width. */
248 // reserved other values
249
250 #define MIPSNN_CFG3_MMAR_MASK 0x001c0000
251 #define MIPSNN_CFG3_MMAR_SHIFT 18
252
253 #define MIPSNN_CFG3_MMAR_REV1 0 /* Revision 1 */
254 // reserved other values
255
256 /* "MCU" (R): MCU ASE extension present. */
257 #define MIPSNN_CFG3_MCU 0x00020000
258
259 /* "ISAOnExc" (R/RW): ISA used on exception. */
260 #define MIPSNN_CFG3_ISAOnExc 0x00010000 /* microMIPS used on entrance to exception vector */
261
262 /* "ISA" (R): Instruction Set Availability. */
263 #define MIPSNN_CFG3_ISA_MASK 0x0000c000
264 #define MIPSNN_CFG3_ISA_SHIFT 14
265
266 #define MIPSNN_CFG3_ISA_MIPS64 0 /* only MIPS64 */
267 #define MIPSNN_CFG3_ISA_microMIPS64 1 /* only microMIPS64 */
268 #define MIPSNN_CFG3_ISA_MIPS64_OOR 2 /* both, MIPS64 out of reset */
269 #define MIPSNN_CFG3_ISA_microMIPS64_OOR 3 /* both, microMIPS64 OOR */
270
271 /* "ULRI" (R): UserLocal register is implemented. */
272 #define MIPSNN_CFG3_ULRI 0x00002000
273
274 /* "DSP2P" (R): DSP v2 ASE extension present. */
275 #define MIPSNN_CFG3_DSP2P 0x00000800
276
277 /* "DSPP" (R): DSP ASE extension present. */
278 #define MIPSNN_CFG3_DSPP 0x00000400
279
280 /* "LPA" (R): Large physical addresses implemented. (MIPS64 rev 2 only). */
281 #define MIPSNN_CFG3_LPA 0x00000080
282
283 /* "VEIC" (R): External interrupt controller present. (rev 2 only). */
284 #define MIPSNN_CFG3_VEIC 0x00000040
285
286 /* "VINT" (R): Vectored interrupts implemented. (rev 2 only). */
287 #define MIPSNN_CFG3_VINT 0x00000020
288
289 /* "SP" (R): Small (1K) page support implemented. (rev 2 only). */
290 #define MIPSNN_CFG3_SP 0x00000010
291
292 /* "MT" (R): MT ASE extension implemented. */
293 #define MIPSNN_CFG3_MT 0x00000004
294
295 /* "SM" (R): SmartMIPS ASE extension implemented. */
296 #define MIPSNN_CFG3_SM 0x00000002
297
298 /* "TL" (R): Trace Logic implemented. */
299 #define MIPSNN_CFG3_TL 0x00000001
300
301 /*
302 * Values in Configuration Register 4 (CP0 Register 16, Select 4)
303 */
304
305 /* "M" (R): Configuration Register 5 present. */
306 #define MIPSNN_CFG4_M __BIT(31)
307
308 /* "IE" (R): TLB invalidate instruction support/configuration. */
309 #define MIPSNN_CFG4_IE __BITS(30,29)
310
311 /* "AE" (R): Extend EntryHi[ASID] to 10 bits. */
312 #define MIPSNN_CFG4_AE __BIT(28)
313
314 /* "VTLBSizeExt" (R): TLB invalidate instruction support/configuration. */
315 #define MIPSNN_CFG4_VTLB_SE __BITS(27,24)
316
317 /* "KScrExist" (R): Number of kernel mode scratch registers available. */
318 #define MIPSNN_CFG4_KSCR_EXIST __BITS(23,16)
319
320 /* "MMUExtDef" (R): MMU extension definition. */
321 #define MIPSNN_CFG4_MMU_EXT_DEF __BITS(15,14)
322 #define MIPSNN_CFG4_MMU_EXT_DEF_MMU 1
323 #define MIPSNN_CFG4_MMU_EXT_DEF_FLTB 2
324 #define MIPSNN_CFG4_MMU_EXT_DEF_VTLB 3
325
326 /* "MMUSizeExt" (R): Extension of Config1[MMUSize-1] field. */
327 #define MIPSNN_CFG4_MMU_EXT_DEF_MMU_SIZE_EXT __BITS(7,0)
328
329 /* "FTLBPageSize" (R/RW): Indicates the Page Size of the FTLB Array Entries. */
330 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE __BITS(10,8)
331 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_1K 0
332 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_4K 1
333 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_16K 2
334 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_64K 3
335 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_256K 4
336 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_1G 5
337 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_4G 6
338 /* "FTLBWays" (R): Indicates the Set Associativity of the FTLB Array. */
339 #define MIPSNN_CFG4_FTLB_FTLB_WAYS __BITS(7,4)
340 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_2 0
341 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_3 1
342 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_4 2
343 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_5 3
344 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_6 4
345 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_7 5
346 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_8 6
347 /* "FTLBSets" (R): Indicates the number of Set per Way within the FTLB Array. */
348 #define MIPSNN_CFG4_FTLB_FTLB_SETS __BITS(3,0)
349 #define MIPSNN_CFG4_FTLB_FTLB_SETS_1 0
350 #define MIPSNN_CFG4_FTLB_FTLB_SETS_2 1
351 #define MIPSNN_CFG4_FTLB_FTLB_SETS_4 2
352 #define MIPSNN_CFG4_FTLB_FTLB_SETS_8 3
353 #define MIPSNN_CFG4_FTLB_FTLB_SETS_16 4
354 #define MIPSNN_CFG4_FTLB_FTLB_SETS_32 5
355 #define MIPSNN_CFG4_FTLB_FTLB_SETS_64 6
356 #define MIPSNN_CFG4_FTLB_FTLB_SETS_128 7
357 #define MIPSNN_CFG4_FTLB_FTLB_SETS_256 8
358 #define MIPSNN_CFG4_FTLB_FTLB_SETS_512 9
359 #define MIPSNN_CFG4_FTLB_FTLB_SETS_1024 10
360 #define MIPSNN_CFG4_FTLB_FTLB_SETS_2048 11
361 #define MIPSNN_CFG4_FTLB_FTLB_SETS_4096 12
362 #define MIPSNN_CFG4_FTLB_FTLB_SETS_8192 13
363 #define MIPSNN_CFG4_FTLB_FTLB_SETS_16384 14
364 #define MIPSNN_CFG4_FTLB_FTLB_SETS_32768 15
365
366 /* "MMUSizeExt" (R): Extension of Config1[MMUSize-1] field. */
367 #define MIPSNN_CFG4_FVTLB_VTLB_SIZE_EXT __BITS(27,24)
368 /* "FTLBPageSize" (R/RW): Indicates the Page Size of the FTLB Array Entries. */
369 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE __BITS(12,8)
370 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_1K 0
371 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_4K 1
372 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_16K 2
373 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_64K 3
374 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_256K 4
375 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_1M 5
376 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_4M 6
377 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_16M 7
378 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_64M 8
379 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_256M 9
380 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_1G 10
381 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_4G 11
382 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_16G 12
383 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_64G 13
384 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_256G 14
385 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_1T 15
386 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_4T 16
387 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_16T 17
388 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_64T 18
389 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_256T 19
390 /* "FTLBWays" (R): Indicates the Set Associativity of the FTLB Array. */
391 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS __BITS(7,4)
392 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_2 0
393 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_3 1
394 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_4 2
395 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_5 3
396 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_6 4
397 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_7 5
398 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_8 6
399 /* "FTLBSets" (R): Indicates the number of Set per Way within the FTLB Array. */
400 #define MIPSNN_CFG4_FVTLB_FTLB_SETS __BITS(3,0)
401 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_1 0
402 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_2 1
403 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_4 2
404 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_8 3
405 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_16 4
406 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_32 5
407 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_64 6
408 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_128 7
409 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_256 8
410 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_512 9
411 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_1024 10
412 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_2048 11
413 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_4096 12
414 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_8192 13
415 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_16384 14
416 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_32768 15
417
418
419 /*
420 * Values in Configuration Register 5 (CP0 Register 16, Select 5)
421 */
422
423 /* "M" (R): Reserved for undefined configuration present. */
424 #define MIPSNN_CFG5_M __BIT(31)
425
426 /* "K" (RW): Enable/disable Config K0/Ku/K23 if segmentation is implemented. */
427 #define MIPSNN_CFG5_K __BIT(30)
428
429 /* "CV" (RW): Cache Error Exception Vector control disable. */
430 #define MIPSNN_CFG5_CV __BIT(29)
431
432 /* "EVA" (R): Enhanced Virtual Addressing instructions implemented. */
433 #define MIPSNN_CFG5_EVA __BIT(28)
434
435 /* "MSAEn" (RW): MIPS SIMD Architecture (MSA) enable. */
436 #define MIPSNN_CFG5_MSAEn __BIT(27)
437
438 /* "XNP" (R): Extended LL/SC instructions non present. */
439 #define MIPSNN_CFG5_XNP __BIT(13)
440
441 /* "DEC" (R): Dual Endian Capability. */
442 #define MIPSNN_CFG5_DEC __BIT(11)
443
444 /* "L2C" (R): Indicates presense of COP0 Config2. */
445 #define MIPSNN_CFG5_L2C __BIT(10)
446
447 /* "UFE" (RW): Enable for user mode access to Config5[FRE]. */
448 #define MIPSNN_CFG5_UFE __BIT(9)
449
450 /* "FRE" (RW): Enable for user mode to emulate Status[FR]=0 handling. */
451 #define MIPSNN_CFG5_FRE __BIT(8)
452
453 /* "VP" (R): Virtual Processor - multi-threading features supported. */
454 #define MIPSNN_CFG5_VP __BIT(7)
455
456 /* "SBRI" (RW): SDBBP instruction Reserved Instruction control. */
457 #define MIPSNN_CFG5_SBRI __BIT(6)
458
459 /* "MVH" (R): Move To/From High COP0 (MTHCO/MFHCO) instructions implemented. */
460 #define MIPSNN_CFG5_MVH __BIT(5)
461
462 /* "LLB" (R): Load-Linked Bit (LLB) is present in COP0 LLAddr. */
463 #define MIPSNN_CFG5_LLB __BIT(4)
464
465 /* "MRP" (R): COP0 Memory Accessibility Attributes Regisers are present. */
466 #define MIPSNN_CFG5_MRP __BIT(3)
467
468 /* "UFR" (R): Allows user-mode access to Status[FR] using CTC1/CFC1. */
469 #define MIPSNN_CFG5_UFR __BIT(2)
470
471 /* "NFExists" (R): Nested Fault feature exists. */
472 #define MIPSNN_CFG5_NF_EXISTS __BIT(0)
473
474
475 /*
476 * Values in Configuration Register 6 (CP0 Register 16, Select 6)
477 * for RMI XLP processors
478 */
479
480 /* "CTLB_SIZE" (R): Number of Combined TLB entries - 1. */
481 #define MIPSNN_RMIXLP_CFG6_CTLB_SIZE_MASK 0xffff0000
482 #define MIPSNN_RMIXLP_CFG6_CTLB_SIZE_SHIFT 16
483
484 /* "VTLB_SIZE" (R): Number of Variable TLB entries - 1. */
485 #define MIPSNN_RMIXLP_CFG6_VTLB_SIZE_MASK 0x0000ffc0
486 #define MIPSNN_RMIXLP_CFG6_VTLB_SIZE_SHIFT 6
487
488 /* "ELVT" (RW): Enable Large Variable TLB. */
489 #define MIPSNN_RMIXLP_CFG6_ELVT 0x00000020
490
491 /* "EPW" (RW): Enable PageWalker. */
492 #define MIPSNN_RMIXLP_CFG6_EPW 0x00000008
493
494 /* "EFT" (RW): Enable Fixed TLB. */
495 #define MIPSNN_RMIXLP_CFG6_EFT 0x00000004
496
497 /* "PWI" (R): PageWalker implemented. */
498 #define MIPSNN_RMIXLP_CFG6_PWI 0x00000001
499
500 /* "FTI" (R): Fixed TLB implemented. */
501 #define MIPSNN_RMIXLP_CFG6_FTI 0x00000001
502
503 /*
504 * Values in Configuration Register 7 (CP0 Register 16, Select 7)
505 * for RMI XLP processors
506 */
507
508 /* "LG" (RW): Small or Large Page. */
509 #define MIPSNN_RMIXLP_CFG7_LG_MASK __BIT(61)
510
511 /* "MASKLG" (RW): large page size supported in CAM only. */
512 #define MIPSNN_RMIXLP_CFG7_MASKLG_MASK 0x0000ff00
513 #define MIPSNN_RMIXLP_CFG7_MASKLG_SHIFT 8
514
515 #define MIPSNN_RMIXLP_CFG7_MASKLG_4KB (0xff >> 8)
516 #define MIPSNN_RMIXLP_CFG7_MASKLG_16KB (0xff >> 7)
517 #define MIPSNN_RMIXLP_CFG7_MASKLG_64KB (0xff >> 6)
518 #define MIPSNN_RMIXLP_CFG7_MASKLG_256KB (0xff >> 5)
519 #define MIPSNN_RMIXLP_CFG7_MASKLG_1MB (0xff >> 4)
520 #define MIPSNN_RMIXLP_CFG7_MASKLG_4MB (0xff >> 3)
521 #define MIPSNN_RMIXLP_CFG7_MASKLG_16MB (0xff >> 2)
522 #define MIPSNN_RMIXLP_CFG7_MASKLG_64MB (0xff >> 1)
523 #define MIPSNN_RMIXLP_CFG7_MASKLG_256MB (0xff >> 0)
524
525 /* "MASKSM" (RW): small page size supported in CAM/RAM. */
526 #define MIPSNN_RMIXLP_CFG7_MASKSM_MASK 0x000000ff
527 #define MIPSNN_RMIXLP_CFG7_MASKSM_SHIFT 0
528
529 #define MIPSNN_RMIXLP_CFG7_MASKSM_4KB (0xff >> 8)
530 #define MIPSNN_RMIXLP_CFG7_MASKSM_16KB (0xff >> 7)
531 #define MIPSNN_RMIXLP_CFG7_MASKSM_64KB (0xff >> 6)
532 #define MIPSNN_RMIXLP_CFG7_MASKSM_256KB (0xff >> 5)
533 #define MIPSNN_RMIXLP_CFG7_MASKSM_1MB (0xff >> 4)
534 #define MIPSNN_RMIXLP_CFG7_MASKSM_4MB (0xff >> 3)
535 #define MIPSNN_RMIXLP_CFG7_MASKSM_16MB (0xff >> 2)
536 #define MIPSNN_RMIXLP_CFG7_MASKSM_64MB (0xff >> 1)
537 #define MIPSNN_RMIXLP_CFG7_MASKSM_256MB (0xff >> 0)
538
539
540 /*
541 * Values in Configuration Register 6 (CP0 Register 16, Select 6)
542 * for the MTI 74K and 1074K cores.
543 */
544 /* "SPCD" (R/W): Sleep state Perforance Counter Disable. */
545 #define MIPSNN_MTI_CFG6_SPCD __BIT(14)
546
547 /* "SYND" (R/W): SYNonym tag update Disable. */
548 #define MIPSNN_MTI_CFG6_SYND __BIT(13)
549
550 /* "IFUPerfCtl" (R/W): IFU Performance Control. */
551 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_MASK __BIT(12:10)
552 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_STALL 0
553 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_JUMP 1
554 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_STALLED_INSN 2
555 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_CACHE_MISPREDICTION 3
556 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_CACHE_PREDICTION 4
557 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_BAD_JR_CACHE_ENTRY 5
558 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_UNIMPL 6
559 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_CBRACH_TAKEN 7
560
561 /* "NMRUP" (R): Most Recently Used JTLB Replacement scheme Present. */
562 #define MIPSNN_MTI_CFG6_NMRUP __BIT(9) /* 1: implemented */
563
564 /* "NMRUD" (R/W): NMRU Disable. */
565 #define MIPSNN_MTI_CFG6_NMRUD __BIT(8) /* 1: TLBWR is random */
566
567 /* "JRCP" (R): JR Cache Present. */
568 #define MIPSNN_MTI_CFG6_JRCP __BIT(1) /* 1: implemented */
569
570 /* "JRCD" (R/W): JR Cache prediction Disable. */
571 #define MIPSNN_MTI_CFG6_JRCD __BIT(0) /* 1: disabled */
572
573
574 /*
575 * Values in Configuration Register 7 (CP0 Register 16, Select 7)
576 * for the MTI 24K, 34K, 74K, 1004K, and 1074K cores
577 */
578
579 /* "WII" (R): Wait IE Ignore. */
580 #define MIPSNN_MTI_CFG7_WII __BIT(31)
581
582 /* "FPFS" (R/W): Fast Prepare For Store (74K, 1074K) */
583 #define MIPSNN_MTI_CFG7_FPFS __BIT(30)
584
585 /* "IHB" (R/W): Implicit HB (74K, 1074K) */
586 #define MIPSNN_MTI_CFG7_IHB __BIT(29)
587
588 /* "FPR1" (R): Float Point Ratio 1 (74K, 1074K). */
589 #define MIPSNN_MTI_CFG7_FPR1 __BIT(28) /* 1: 3:2 */
590
591 /* "SEHB" (R/W): slow EHB (74K, 1074K) */
592 #define MIPSNN_MTI_CFG7_SEHB __BIT(27)
593
594 /* "CP2IO" (R/W): Force COP2 data to be in-order (74K, 1074K) */
595 #define MIPSNN_MTI_CFG7_CP2IO __BIT(26)
596
597 /* "IAGN" (R/W): Issue LSU-side instructions in program order (74K, 1074K) */
598 #define MIPSNN_MTI_CFG7_IAGN __BIT(25)
599
600 /* "IAGN" (R/W): Issue LSU-side instructions in program order (74K, 1074K) */
601 #define MIPSNN_MTI_CFG7_IAGN __BIT(25)
602
603 /* "IALU" (R/W): Issue ALU-side instructions in program order (74K, 1074K) */
604 #define MIPSNN_MTI_CFG7_IALU __BIT(24)
605
606 /* "DGHR" (R/W): disable global history in branch prediction (74K, 1074K). */
607 #define MIPSNN_MTI_CFG7_DGHR __BIT(23) /* 1: disable */
608
609 /* "SG" (R/W): Single Graduation per cycle (74K, 1074K). */
610 #define MIPSNN_MTI_CFG7_SG __BIT(22) /* 1: no superscalar */
611
612 /* "SUI" (R/W): Strict Uncached Instruction (SUI) policy control (74K, 1074K). */
613 #define MIPSNN_MTI_CFG7_SUI __BIT(21)
614
615 /* "NCWB" (R/W): Non-Choerent WriteBack (1004K). */
616 #define MIPSNN_MTI_CFG7_NCWB __BIT(20)
617
618 /* "PCT" (R): Performance Counters per TC (34K, 1004K). */
619 #define MIPSNN_MTI_CFG7_PCT __BIT(19)
620
621 /* "HCI" (R): Hardware Cache Initialization. */
622 #define MIPSNN_MTI_CFG7_HCI __BIT(18)
623
624 /* "FPR" (R): Float Point Ratio. */
625 #define MIPSNN_MTI_CFG7_FPR0 __BIT(17) /* 1: half speed */
626
627 #define MIPSNN_MTI_CFG7_FPR_MASK (MIPSNN_MTI_CFG7_FPR1|MIPSNN_MTI_CFG7_FPR0)
628 #define MIPSNN_MTI_CFG7_FPR_SHIFT 0
629 #define MIPSNN_MTI_CFG7_FPR_1to1 0
630 #define MIPSNN_MTI_CFG7_FPR_2to1 MIPSNN_MTI_CFG7_FPR0
631 #define MIPSNN_MTI_CFG7_FPR_3to2 MIPSNN_MTI_CFG7_FPR1
632 #define MIPSNN_MTI_CFG7_FPR_RESERVED MIPSNN_MTI_CFG7_FPR_MASK
633
634 /* "AR" (R): Alias Removal. */
635 #define MIPSNN_MTI_CFG7_AR __BIT(16) /* 1: no virt aliases */
636
637 /* "PREF" (R/W): Instruction Prefetching (74K, 1074K). */
638 #define MIPSNN_MTI_CFG7_PREF_MASK __BITS(12:11)
639 #define MIPSNN_MTI_CFG7_PREF_SHIFT 11
640 #define MIPSNN_MTI_CFG7_PREF_DISABLE 0
641 #define MIPSNN_MTI_CFG7_PREF_ONELINE 1
642 #define MIPSNN_MTI_CFG7_PREF_RESERVED 2
643 #define MIPSNN_MTI_CFG7_PREF_TWOLINES 3
644
645 /* "IAR" (R): Instruction Alias Removal. */
646 #define MIPSNN_MTI_CFG7_IAR __BIT(10) /* 1: no virt aliases */
647
648 /* "IVA" (R or RW): Instruction Virtual Alias fix disable. */
649 #define MIPSNN_MTI_CFG7_IVA __BIT(9) /* 1: fix disable */
650
651 /* "ES" (RW): External Sync. */
652 #define MIPSNN_MTI_CFG7_ES __BIT(8)
653
654 /* "BTLM" (RW): Block TC on Load Miss. */
655 #define MIPSNN_MTI_CFG7_BTLM __BIT(7)
656
657 /* "CPOOO" (RW): Out-Of-Order on Coprocessor interfaces (COP0/COP1). */
658 #define MIPSNN_MTI_CFG7_CPOOO __BIT(6) /* 1: disable OOO */
659
660 /* "NBLSU" (RW): Non-Blocking LSU. (24K, 34K) */
661 #define MIPSNN_MTI_CFG7_NBLSU __BIT(5) /* 1: stalls pipeline */
662
663 /* "UBL" (RW): Uncached Loads Blocking. */
664 #define MIPSNN_MTI_CFG7_UBL __BIT(4) /* 1: blocking loads */
665
666 /* "BP" (RW): Branch Prediction. */
667 #define MIPSNN_MTI_CFG7_BP __BIT(3) /* 1: disabled */
668
669 /* "RPS" (RW): Return Prediction Stack. */
670 #define MIPSNN_MTI_CFG7_RPS __BIT(2) /* 1: disabled */
671
672 /* "BHT" (RW): Branch History Table. */
673 #define MIPSNN_MTI_CFG7_BHT __BIT(1) /* 1: disabled */
674
675 /* "SL" (RW): Scheduled Loads. */
676 #define MIPSNN_MTI_CFG7_SL __BIT(0) /* 1: load misses block */
677