xref: /openbmc/linux/arch/mips/include/asm/cpu.h (revision 2f190ac2)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * cpu.h: Values of the PRId register used to match up
4  *	  various MIPS cpu types.
5  *
6  * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
7  * Copyright (C) 2004, 2013  Maciej W. Rozycki
8  */
9 #ifndef _ASM_CPU_H
10 #define _ASM_CPU_H
11 
12 #include <linux/bits.h>
13 
14 /*
15    As of the MIPS32 and MIPS64 specs from MTI, the PRId register (CP0
16    register 15, select 0) is defined in this (backwards compatible) way:
17 
18   +----------------+----------------+----------------+----------------+
19   | Company Options| Company ID	    | Processor ID   | Revision	      |
20   +----------------+----------------+----------------+----------------+
21    31		 24 23		  16 15		    8 7
22 
23    I don't have docs for all the previous processors, but my impression is
24    that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
25    spec.
26 */
27 
28 #define PRID_OPT_MASK		0xff000000
29 
30 /*
31  * Assigned Company values for bits 23:16 of the PRId register.
32  */
33 
34 #define PRID_COMP_MASK		0xff0000
35 
36 #define PRID_COMP_LEGACY	0x000000
37 #define PRID_COMP_MIPS		0x010000
38 #define PRID_COMP_BROADCOM	0x020000
39 #define PRID_COMP_ALCHEMY	0x030000
40 #define PRID_COMP_SIBYTE	0x040000
41 #define PRID_COMP_SANDCRAFT	0x050000
42 #define PRID_COMP_NXP		0x060000
43 #define PRID_COMP_TOSHIBA	0x070000
44 #define PRID_COMP_LSI		0x080000
45 #define PRID_COMP_LEXRA		0x0b0000
46 #define PRID_COMP_NETLOGIC	0x0c0000
47 #define PRID_COMP_CAVIUM	0x0d0000
48 #define PRID_COMP_LOONGSON	0x140000
49 #define PRID_COMP_INGENIC_13	0x130000	/* X2000, X2100 */
50 #define PRID_COMP_INGENIC_D0	0xd00000	/* JZ4730, JZ4740, JZ4750, JZ4755, JZ4760, X1830 */
51 #define PRID_COMP_INGENIC_D1	0xd10000	/* JZ4770, JZ4775, X1000 */
52 #define PRID_COMP_INGENIC_E1	0xe10000	/* JZ4780 */
53 
54 /*
55  * Assigned Processor ID (implementation) values for bits 15:8 of the PRId
56  * register.  In order to detect a certain CPU type exactly eventually
57  * additional registers may need to be examined.
58  */
59 
60 #define PRID_IMP_MASK		0xff00
61 
62 /*
63  * These are valid when 23:16 == PRID_COMP_LEGACY
64  */
65 
66 #define PRID_IMP_R2000		0x0100
67 #define PRID_IMP_AU1_REV1	0x0100
68 #define PRID_IMP_AU1_REV2	0x0200
69 #define PRID_IMP_R3000		0x0200		/* Same as R2000A  */
70 #define PRID_IMP_R6000		0x0300		/* Same as R3000A  */
71 #define PRID_IMP_R4000		0x0400
72 #define PRID_IMP_R6000A		0x0600
73 #define PRID_IMP_R10000		0x0900
74 #define PRID_IMP_R4300		0x0b00
75 #define PRID_IMP_VR41XX		0x0c00
76 #define PRID_IMP_R12000		0x0e00
77 #define PRID_IMP_R14000		0x0f00		/* R14K && R16K */
78 #define PRID_IMP_R8000		0x1000
79 #define PRID_IMP_PR4450		0x1200
80 #define PRID_IMP_R4600		0x2000
81 #define PRID_IMP_R4700		0x2100
82 #define PRID_IMP_TX39		0x2200
83 #define PRID_IMP_R4640		0x2200
84 #define PRID_IMP_R4650		0x2200		/* Same as R4640 */
85 #define PRID_IMP_R5000		0x2300
86 #define PRID_IMP_TX49		0x2d00
87 #define PRID_IMP_SONIC		0x2400
88 #define PRID_IMP_MAGIC		0x2500
89 #define PRID_IMP_RM7000		0x2700
90 #define PRID_IMP_NEVADA		0x2800		/* RM5260 ??? */
91 #define PRID_IMP_RM9000		0x3400
92 #define PRID_IMP_LOONGSON_32	0x4200  /* Loongson-1 */
93 #define PRID_IMP_R5432		0x5400
94 #define PRID_IMP_R5500		0x5500
95 #define PRID_IMP_LOONGSON_64R	0x6100  /* Reduced Loongson-2 */
96 #define PRID_IMP_LOONGSON_64C	0x6300  /* Classic Loongson-2 and Loongson-3 */
97 #define PRID_IMP_LOONGSON_64G	0xc000  /* Generic Loongson-2 and Loongson-3 */
98 
99 #define PRID_IMP_UNKNOWN	0xff00
100 
101 /*
102  * These are the PRID's for when 23:16 == PRID_COMP_MIPS
103  */
104 
105 #define PRID_IMP_QEMU_GENERIC	0x0000
106 #define PRID_IMP_4KC		0x8000
107 #define PRID_IMP_5KC		0x8100
108 #define PRID_IMP_20KC		0x8200
109 #define PRID_IMP_4KEC		0x8400
110 #define PRID_IMP_4KSC		0x8600
111 #define PRID_IMP_25KF		0x8800
112 #define PRID_IMP_5KE		0x8900
113 #define PRID_IMP_4KECR2		0x9000
114 #define PRID_IMP_4KEMPR2	0x9100
115 #define PRID_IMP_4KSD		0x9200
116 #define PRID_IMP_24K		0x9300
117 #define PRID_IMP_34K		0x9500
118 #define PRID_IMP_24KE		0x9600
119 #define PRID_IMP_74K		0x9700
120 #define PRID_IMP_1004K		0x9900
121 #define PRID_IMP_1074K		0x9a00
122 #define PRID_IMP_M14KC		0x9c00
123 #define PRID_IMP_M14KEC		0x9e00
124 #define PRID_IMP_INTERAPTIV_UP	0xa000
125 #define PRID_IMP_INTERAPTIV_MP	0xa100
126 #define PRID_IMP_PROAPTIV_UP	0xa200
127 #define PRID_IMP_PROAPTIV_MP	0xa300
128 #define PRID_IMP_P6600		0xa400
129 #define PRID_IMP_M5150		0xa700
130 #define PRID_IMP_P5600		0xa800
131 #define PRID_IMP_I6400		0xa900
132 #define PRID_IMP_M6250		0xab00
133 #define PRID_IMP_I6500		0xb000
134 
135 /*
136  * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
137  */
138 
139 #define PRID_IMP_SB1		0x0100
140 #define PRID_IMP_SB1A		0x1100
141 
142 /*
143  * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
144  */
145 
146 #define PRID_IMP_SR71000	0x0400
147 
148 /*
149  * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
150  */
151 
152 #define PRID_IMP_BMIPS32_REV4	0x4000
153 #define PRID_IMP_BMIPS32_REV8	0x8000
154 #define PRID_IMP_BMIPS3300	0x9000
155 #define PRID_IMP_BMIPS3300_ALT	0x9100
156 #define PRID_IMP_BMIPS3300_BUG	0x0000
157 #define PRID_IMP_BMIPS43XX	0xa000
158 #define PRID_IMP_BMIPS5000	0x5a00
159 #define PRID_IMP_BMIPS5200	0x5b00
160 
161 #define PRID_REV_BMIPS4380_LO	0x0040
162 #define PRID_REV_BMIPS4380_HI	0x006f
163 
164 /*
165  * These are the PRID's for when 23:16 == PRID_COMP_CAVIUM
166  */
167 
168 #define PRID_IMP_CAVIUM_CN38XX 0x0000
169 #define PRID_IMP_CAVIUM_CN31XX 0x0100
170 #define PRID_IMP_CAVIUM_CN30XX 0x0200
171 #define PRID_IMP_CAVIUM_CN58XX 0x0300
172 #define PRID_IMP_CAVIUM_CN56XX 0x0400
173 #define PRID_IMP_CAVIUM_CN50XX 0x0600
174 #define PRID_IMP_CAVIUM_CN52XX 0x0700
175 #define PRID_IMP_CAVIUM_CN63XX 0x9000
176 #define PRID_IMP_CAVIUM_CN68XX 0x9100
177 #define PRID_IMP_CAVIUM_CN66XX 0x9200
178 #define PRID_IMP_CAVIUM_CN61XX 0x9300
179 #define PRID_IMP_CAVIUM_CNF71XX 0x9400
180 #define PRID_IMP_CAVIUM_CN78XX 0x9500
181 #define PRID_IMP_CAVIUM_CN70XX 0x9600
182 #define PRID_IMP_CAVIUM_CN73XX 0x9700
183 #define PRID_IMP_CAVIUM_CNF75XX 0x9800
184 
185 /*
186  * These are the PRID's for when 23:16 == PRID_COMP_INGENIC_*
187  */
188 
189 #define PRID_IMP_XBURST_REV1	0x0200	/* XBurst®1 with MXU1.0/MXU1.1 SIMD ISA	*/
190 #define PRID_IMP_XBURST_REV2	0x0100	/* XBurst®1 with MXU2.0 SIMD ISA		*/
191 #define PRID_IMP_XBURST2		0x2000	/* XBurst®2 with MXU2.1 SIMD ISA		*/
192 
193 /*
194  * These are the PRID's for when 23:16 == PRID_COMP_NETLOGIC
195  */
196 #define PRID_IMP_NETLOGIC_XLR732	0x0000
197 #define PRID_IMP_NETLOGIC_XLR716	0x0200
198 #define PRID_IMP_NETLOGIC_XLR532	0x0900
199 #define PRID_IMP_NETLOGIC_XLR308	0x0600
200 #define PRID_IMP_NETLOGIC_XLR532C	0x0800
201 #define PRID_IMP_NETLOGIC_XLR516C	0x0a00
202 #define PRID_IMP_NETLOGIC_XLR508C	0x0b00
203 #define PRID_IMP_NETLOGIC_XLR308C	0x0f00
204 #define PRID_IMP_NETLOGIC_XLS608	0x8000
205 #define PRID_IMP_NETLOGIC_XLS408	0x8800
206 #define PRID_IMP_NETLOGIC_XLS404	0x8c00
207 #define PRID_IMP_NETLOGIC_XLS208	0x8e00
208 #define PRID_IMP_NETLOGIC_XLS204	0x8f00
209 #define PRID_IMP_NETLOGIC_XLS108	0xce00
210 #define PRID_IMP_NETLOGIC_XLS104	0xcf00
211 #define PRID_IMP_NETLOGIC_XLS616B	0x4000
212 #define PRID_IMP_NETLOGIC_XLS608B	0x4a00
213 #define PRID_IMP_NETLOGIC_XLS416B	0x4400
214 #define PRID_IMP_NETLOGIC_XLS412B	0x4c00
215 #define PRID_IMP_NETLOGIC_XLS408B	0x4e00
216 #define PRID_IMP_NETLOGIC_XLS404B	0x4f00
217 #define PRID_IMP_NETLOGIC_AU13XX	0x8000
218 
219 #define PRID_IMP_NETLOGIC_XLP8XX	0x1000
220 #define PRID_IMP_NETLOGIC_XLP3XX	0x1100
221 #define PRID_IMP_NETLOGIC_XLP2XX	0x1200
222 #define PRID_IMP_NETLOGIC_XLP9XX	0x1500
223 #define PRID_IMP_NETLOGIC_XLP5XX	0x1300
224 
225 /*
226  * Particular Revision values for bits 7:0 of the PRId register.
227  */
228 
229 #define PRID_REV_MASK		0x00ff
230 
231 /*
232  * Definitions for 7:0 on legacy processors
233  */
234 
235 #define PRID_REV_TX4927			0x0022
236 #define PRID_REV_TX4937			0x0030
237 #define PRID_REV_R4400			0x0040
238 #define PRID_REV_R3000A			0x0030
239 #define PRID_REV_R3000			0x0020
240 #define PRID_REV_R2000A			0x0010
241 #define PRID_REV_TX3912			0x0010
242 #define PRID_REV_TX3922			0x0030
243 #define PRID_REV_TX3927			0x0040
244 #define PRID_REV_VR4111			0x0050
245 #define PRID_REV_VR4181			0x0050	/* Same as VR4111 */
246 #define PRID_REV_VR4121			0x0060
247 #define PRID_REV_VR4122			0x0070
248 #define PRID_REV_VR4181A		0x0070	/* Same as VR4122 */
249 #define PRID_REV_VR4130			0x0080
250 #define PRID_REV_34K_V1_0_2		0x0022
251 #define PRID_REV_LOONGSON1B		0x0020
252 #define PRID_REV_LOONGSON1C		0x0020	/* Same as Loongson-1B */
253 #define PRID_REV_LOONGSON2E		0x0002
254 #define PRID_REV_LOONGSON2F		0x0003
255 #define PRID_REV_LOONGSON2K_R1_0	0x0000
256 #define PRID_REV_LOONGSON2K_R1_1	0x0001
257 #define PRID_REV_LOONGSON2K_R1_2	0x0002
258 #define PRID_REV_LOONGSON2K_R1_3	0x0003
259 #define PRID_REV_LOONGSON3A_R1		0x0005
260 #define PRID_REV_LOONGSON3B_R1		0x0006
261 #define PRID_REV_LOONGSON3B_R2		0x0007
262 #define PRID_REV_LOONGSON3A_R2_0	0x0008
263 #define PRID_REV_LOONGSON3A_R3_0	0x0009
264 #define PRID_REV_LOONGSON3A_R2_1	0x000c
265 #define PRID_REV_LOONGSON3A_R3_1	0x000d
266 
267 /*
268  * Older processors used to encode processor version and revision in two
269  * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
270  * have switched to use the 8-bits as 3:3:2 bitfield with the last field as
271  * the patch number.  *ARGH*
272  */
273 #define PRID_REV_ENCODE_44(ver, rev)					\
274 	((ver) << 4 | (rev))
275 #define PRID_REV_ENCODE_332(ver, rev, patch)				\
276 	((ver) << 5 | (rev) << 2 | (patch))
277 
278 /*
279  * FPU implementation/revision register (CP1 control register 0).
280  *
281  * +---------------------------------+----------------+----------------+
282  * | 0				     | Implementation | Revision       |
283  * +---------------------------------+----------------+----------------+
284  *  31				   16 15	     8 7	      0
285  */
286 
287 #define FPIR_IMP_MASK		0xff00
288 
289 #define FPIR_IMP_NONE		0x0000
290 
291 #if !defined(__ASSEMBLY__)
292 
293 enum cpu_type_enum {
294 	CPU_UNKNOWN,
295 
296 	/*
297 	 * R2000 class processors
298 	 */
299 	CPU_R2000, CPU_R3000, CPU_R3000A, CPU_R3041, CPU_R3051, CPU_R3052,
300 	CPU_R3081, CPU_R3081E,
301 
302 	/*
303 	 * R4000 class processors
304 	 */
305 	CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200, CPU_R4300, CPU_R4310,
306 	CPU_R4400PC, CPU_R4400SC, CPU_R4400MC, CPU_R4600, CPU_R4640, CPU_R4650,
307 	CPU_R4700, CPU_R5000, CPU_R5500, CPU_NEVADA, CPU_R10000,
308 	CPU_R12000, CPU_R14000, CPU_R16000, CPU_RM7000,
309 	CPU_SR71000, CPU_TX49XX,
310 
311 	/*
312 	 * MIPS32 class processors
313 	 */
314 	CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
315 	CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
316 	CPU_BMIPS4380, CPU_BMIPS5000, CPU_XBURST, CPU_LOONGSON32, CPU_M14KC,
317 	CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K,
318 	CPU_M5150, CPU_I6400, CPU_P6600, CPU_M6250,
319 
320 	/*
321 	 * MIPS64 class processors
322 	 */
323 	CPU_5KC, CPU_5KE, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2EF,
324 	CPU_LOONGSON64, CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS,
325 	CPU_CAVIUM_OCTEON2, CPU_CAVIUM_OCTEON3, CPU_I6500,
326 
327 	CPU_QEMU_GENERIC,
328 
329 	CPU_LAST
330 };
331 
332 #endif /* !__ASSEMBLY */
333 
334 /*
335  * ISA Level encodings
336  *
337  */
338 #define MIPS_CPU_ISA_II		0x00000001
339 #define MIPS_CPU_ISA_III	0x00000002
340 #define MIPS_CPU_ISA_IV		0x00000004
341 #define MIPS_CPU_ISA_V		0x00000008
342 #define MIPS_CPU_ISA_M32R1	0x00000010
343 #define MIPS_CPU_ISA_M32R2	0x00000020
344 #define MIPS_CPU_ISA_M64R1	0x00000040
345 #define MIPS_CPU_ISA_M64R2	0x00000080
346 #define MIPS_CPU_ISA_M32R5	0x00000100
347 #define MIPS_CPU_ISA_M64R5	0x00000200
348 #define MIPS_CPU_ISA_M32R6	0x00000400
349 #define MIPS_CPU_ISA_M64R6	0x00000800
350 
351 #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_II | MIPS_CPU_ISA_M32R1 | \
352 	MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M32R6)
353 #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
354 	MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2 | \
355 	MIPS_CPU_ISA_M64R5 | MIPS_CPU_ISA_M64R6)
356 
357 /*
358  * CPU Option encodings
359  */
360 #define MIPS_CPU_TLB		BIT_ULL( 0)	/* CPU has TLB */
361 #define MIPS_CPU_4KEX		BIT_ULL( 1)	/* "R4K" exception model */
362 #define MIPS_CPU_3K_CACHE	BIT_ULL( 2)	/* R3000-style caches */
363 #define MIPS_CPU_4K_CACHE	BIT_ULL( 3)	/* R4000-style caches */
364 #define MIPS_CPU_FPU		BIT_ULL( 5)	/* CPU has FPU */
365 #define MIPS_CPU_32FPR		BIT_ULL( 6)	/* 32 dbl. prec. FP registers */
366 #define MIPS_CPU_COUNTER	BIT_ULL( 7)	/* Cycle count/compare */
367 #define MIPS_CPU_WATCH		BIT_ULL( 8)	/* watchpoint registers */
368 #define MIPS_CPU_DIVEC		BIT_ULL( 9)	/* dedicated interrupt vector */
369 #define MIPS_CPU_VCE		BIT_ULL(10)	/* virt. coherence conflict possible */
370 #define MIPS_CPU_CACHE_CDEX_P	BIT_ULL(11)	/* Create_Dirty_Exclusive CACHE op */
371 #define MIPS_CPU_CACHE_CDEX_S	BIT_ULL(12)	/* ... same for seconary cache ... */
372 #define MIPS_CPU_MCHECK		BIT_ULL(13)	/* Machine check exception */
373 #define MIPS_CPU_EJTAG		BIT_ULL(14)	/* EJTAG exception */
374 #define MIPS_CPU_NOFPUEX	BIT_ULL(15)	/* no FPU exception */
375 #define MIPS_CPU_LLSC		BIT_ULL(16)	/* CPU has ll/sc instructions */
376 #define MIPS_CPU_INCLUSIVE_CACHES BIT_ULL(17)	/* P-cache subset enforced */
377 #define MIPS_CPU_PREFETCH	BIT_ULL(18)	/* CPU has usable prefetch */
378 #define MIPS_CPU_VINT		BIT_ULL(19)	/* CPU supports MIPSR2 vectored interrupts */
379 #define MIPS_CPU_VEIC		BIT_ULL(20)	/* CPU supports MIPSR2 external interrupt controller mode */
380 #define MIPS_CPU_ULRI		BIT_ULL(21)	/* CPU has ULRI feature */
381 #define MIPS_CPU_PCI		BIT_ULL(22)	/* CPU has Perf Ctr Int indicator */
382 #define MIPS_CPU_RIXI		BIT_ULL(23)	/* CPU has TLB Read/eXec Inhibit */
383 #define MIPS_CPU_MICROMIPS	BIT_ULL(24)	/* CPU has microMIPS capability */
384 #define MIPS_CPU_TLBINV		BIT_ULL(25)	/* CPU supports TLBINV/F */
385 #define MIPS_CPU_SEGMENTS	BIT_ULL(26)	/* CPU supports Segmentation Control registers */
386 #define MIPS_CPU_EVA		BIT_ULL(27)	/* CPU supports Enhanced Virtual Addressing */
387 #define MIPS_CPU_HTW		BIT_ULL(28)	/* CPU support Hardware Page Table Walker */
388 #define MIPS_CPU_RIXIEX		BIT_ULL(29)	/* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */
389 #define MIPS_CPU_MAAR		BIT_ULL(30)	/* MAAR(I) registers are present */
390 #define MIPS_CPU_FRE		BIT_ULL(31)	/* FRE & UFE bits implemented */
391 #define MIPS_CPU_RW_LLB		BIT_ULL(32)	/* LLADDR/LLB writes are allowed */
392 #define MIPS_CPU_LPA		BIT_ULL(33)	/* CPU supports Large Physical Addressing */
393 #define MIPS_CPU_CDMM		BIT_ULL(34)	/* CPU has Common Device Memory Map */
394 #define MIPS_CPU_SP		BIT_ULL(36)	/* Small (1KB) page support */
395 #define MIPS_CPU_FTLB		BIT_ULL(37)	/* CPU has Fixed-page-size TLB */
396 #define MIPS_CPU_NAN_LEGACY	BIT_ULL(38)	/* Legacy NaN implemented */
397 #define MIPS_CPU_NAN_2008	BIT_ULL(39)	/* 2008 NaN implemented */
398 #define MIPS_CPU_VP		BIT_ULL(40)	/* MIPSr6 Virtual Processors (multi-threading) */
399 #define MIPS_CPU_LDPTE		BIT_ULL(41)	/* CPU has ldpte/lddir instructions */
400 #define MIPS_CPU_MVH		BIT_ULL(42)	/* CPU supports MFHC0/MTHC0 */
401 #define MIPS_CPU_EBASE_WG	BIT_ULL(43)	/* CPU has EBase.WG */
402 #define MIPS_CPU_BADINSTR	BIT_ULL(44)	/* CPU has BadInstr register */
403 #define MIPS_CPU_BADINSTRP	BIT_ULL(45)	/* CPU has BadInstrP register */
404 #define MIPS_CPU_CTXTC		BIT_ULL(46)	/* CPU has [X]ConfigContext registers */
405 #define MIPS_CPU_PERF		BIT_ULL(47)	/* CPU has MIPS performance counters */
406 #define MIPS_CPU_GUESTCTL0EXT	BIT_ULL(48)	/* CPU has VZ GuestCtl0Ext register */
407 #define MIPS_CPU_GUESTCTL1	BIT_ULL(49)	/* CPU has VZ GuestCtl1 register */
408 #define MIPS_CPU_GUESTCTL2	BIT_ULL(50)	/* CPU has VZ GuestCtl2 register */
409 #define MIPS_CPU_GUESTID	BIT_ULL(51)	/* CPU uses VZ ASE GuestID feature */
410 #define MIPS_CPU_DRG		BIT_ULL(52)	/* CPU has VZ Direct Root to Guest (DRG) */
411 #define MIPS_CPU_UFR		BIT_ULL(53)	/* CPU supports User mode FR switching */
412 #define MIPS_CPU_SHARED_FTLB_RAM \
413 				BIT_ULL(54)	/* CPU shares FTLB RAM with another */
414 #define MIPS_CPU_SHARED_FTLB_ENTRIES \
415 				BIT_ULL(55)	/* CPU shares FTLB entries with another */
416 #define MIPS_CPU_MT_PER_TC_PERF_COUNTERS \
417 				BIT_ULL(56)	/* CPU has perf counters implemented per TC (MIPSMT ASE) */
418 #define MIPS_CPU_MMID		BIT_ULL(57)	/* CPU supports MemoryMapIDs */
419 #define MIPS_CPU_MM_SYSAD	BIT_ULL(58)	/* CPU supports write-through SysAD Valid merge */
420 #define MIPS_CPU_MM_FULL	BIT_ULL(59)	/* CPU supports write-through full merge */
421 #define MIPS_CPU_MAC_2008_ONLY	BIT_ULL(60)	/* CPU Only support MAC2008 Fused multiply-add instruction */
422 #define MIPS_CPU_FTLBPAREX	BIT_ULL(61)	/* CPU has FTLB parity exception */
423 #define MIPS_CPU_GSEXCEX	BIT_ULL(62)	/* CPU has GSExc exception */
424 
425 /*
426  * CPU ASE encodings
427  */
428 #define MIPS_ASE_MIPS16		0x00000001 /* code compression */
429 #define MIPS_ASE_MDMX		0x00000002 /* MIPS digital media extension */
430 #define MIPS_ASE_MIPS3D		0x00000004 /* MIPS-3D */
431 #define MIPS_ASE_SMARTMIPS	0x00000008 /* SmartMIPS */
432 #define MIPS_ASE_DSP		0x00000010 /* Signal Processing ASE */
433 #define MIPS_ASE_MIPSMT		0x00000020 /* CPU supports MIPS MT */
434 #define MIPS_ASE_DSP2P		0x00000040 /* Signal Processing ASE Rev 2 */
435 #define MIPS_ASE_VZ		0x00000080 /* Virtualization ASE */
436 #define MIPS_ASE_MSA		0x00000100 /* MIPS SIMD Architecture */
437 #define MIPS_ASE_DSP3		0x00000200 /* Signal Processing ASE Rev 3*/
438 #define MIPS_ASE_MIPS16E2	0x00000400 /* MIPS16e2 */
439 #define MIPS_ASE_LOONGSON_MMI	0x00000800 /* Loongson MultiMedia extensions Instructions */
440 #define MIPS_ASE_LOONGSON_CAM	0x00001000 /* Loongson CAM */
441 #define MIPS_ASE_LOONGSON_EXT	0x00002000 /* Loongson EXTensions */
442 #define MIPS_ASE_LOONGSON_EXT2	0x00004000 /* Loongson EXTensions R2 */
443 
444 #endif /* _ASM_CPU_H */
445