MIPS: Add arch CDMM definitions and probing
[linux-2.6-block.git] / arch / mips / include / asm / cpu.h
CommitLineData
1da177e4
LT
1/*
2 * cpu.h: Values of the PRId register used to match up
70342287 3 * various MIPS cpu types.
1da177e4 4 *
79add627 5 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
8ff374b9 6 * Copyright (C) 2004, 2013 Maciej W. Rozycki
1da177e4
LT
7 */
8#ifndef _ASM_CPU_H
9#define _ASM_CPU_H
10
8ff374b9
MR
11/*
12 As of the MIPS32 and MIPS64 specs from MTI, the PRId register (CP0
13 register 15, select 0) is defined in this (backwards compatible) way:
1da177e4
LT
14
15 +----------------+----------------+----------------+----------------+
70342287 16 | Company Options| Company ID | Processor ID | Revision |
1da177e4 17 +----------------+----------------+----------------+----------------+
70342287 18 31 24 23 16 15 8 7
1da177e4
LT
19
20 I don't have docs for all the previous processors, but my impression is
21 that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
22 spec.
23*/
24
8ff374b9
MR
25#define PRID_OPT_MASK 0xff000000
26
27/*
28 * Assigned Company values for bits 23:16 of the PRId register.
29 */
30
31#define PRID_COMP_MASK 0xff0000
32
55a6feb6
RB
33#define PRID_COMP_LEGACY 0x000000
34#define PRID_COMP_MIPS 0x010000
35#define PRID_COMP_BROADCOM 0x020000
36#define PRID_COMP_ALCHEMY 0x030000
37#define PRID_COMP_SIBYTE 0x040000
38#define PRID_COMP_SANDCRAFT 0x050000
70342287 39#define PRID_COMP_NXP 0x060000
55a6feb6
RB
40#define PRID_COMP_TOSHIBA 0x070000
41#define PRID_COMP_LSI 0x080000
42#define PRID_COMP_LEXRA 0x0b0000
a7117c6b 43#define PRID_COMP_NETLOGIC 0x0c0000
0dd4781b 44#define PRID_COMP_CAVIUM 0x0d0000
83ccf69d 45#define PRID_COMP_INGENIC 0xd00000
1da177e4
LT
46
47/*
8ff374b9
MR
48 * Assigned Processor ID (implementation) values for bits 15:8 of the PRId
49 * register. In order to detect a certain CPU type exactly eventually
50 * additional registers may need to be examined.
1da177e4 51 */
8ff374b9
MR
52
53#define PRID_IMP_MASK 0xff00
54
55/*
56 * These are valid when 23:16 == PRID_COMP_LEGACY
57 */
58
1da177e4
LT
59#define PRID_IMP_R2000 0x0100
60#define PRID_IMP_AU1_REV1 0x0100
61#define PRID_IMP_AU1_REV2 0x0200
62#define PRID_IMP_R3000 0x0200 /* Same as R2000A */
63#define PRID_IMP_R6000 0x0300 /* Same as R3000A */
64#define PRID_IMP_R4000 0x0400
65#define PRID_IMP_R6000A 0x0600
66#define PRID_IMP_R10000 0x0900
67#define PRID_IMP_R4300 0x0b00
68#define PRID_IMP_VR41XX 0x0c00
69#define PRID_IMP_R12000 0x0e00
44d921b2 70#define PRID_IMP_R14000 0x0f00
1da177e4 71#define PRID_IMP_R8000 0x1000
bdf21b18 72#define PRID_IMP_PR4450 0x1200
1da177e4
LT
73#define PRID_IMP_R4600 0x2000
74#define PRID_IMP_R4700 0x2100
75#define PRID_IMP_TX39 0x2200
76#define PRID_IMP_R4640 0x2200
77#define PRID_IMP_R4650 0x2200 /* Same as R4640 */
78#define PRID_IMP_R5000 0x2300
79#define PRID_IMP_TX49 0x2d00
80#define PRID_IMP_SONIC 0x2400
81#define PRID_IMP_MAGIC 0x2500
82#define PRID_IMP_RM7000 0x2700
83#define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */
84#define PRID_IMP_RM9000 0x3400
26859198 85#define PRID_IMP_LOONGSON_32 0x4200 /* Loongson-1 */
1da177e4
LT
86#define PRID_IMP_R5432 0x5400
87#define PRID_IMP_R5500 0x5500
26859198 88#define PRID_IMP_LOONGSON_64 0x6300 /* Loongson-2/3 */
98e316d4
MR
89
90#define PRID_IMP_UNKNOWN 0xff00
91
92/*
93 * These are the PRID's for when 23:16 == PRID_COMP_MIPS
94 */
95
aca5721e 96#define PRID_IMP_QEMU_GENERIC 0x0000
1da177e4
LT
97#define PRID_IMP_4KC 0x8000
98#define PRID_IMP_5KC 0x8100
99#define PRID_IMP_20KC 0x8200
100#define PRID_IMP_4KEC 0x8400
101#define PRID_IMP_4KSC 0x8600
102#define PRID_IMP_25KF 0x8800
103#define PRID_IMP_5KE 0x8900
104#define PRID_IMP_4KECR2 0x9000
105#define PRID_IMP_4KEMPR2 0x9100
106#define PRID_IMP_4KSD 0x9200
107#define PRID_IMP_24K 0x9300
bbc7f22f 108#define PRID_IMP_34K 0x9500
e50c0a8f 109#define PRID_IMP_24KE 0x9600
c620953c 110#define PRID_IMP_74K 0x9700
39b8d525 111#define PRID_IMP_1004K 0x9900
006a851b 112#define PRID_IMP_1074K 0x9a00
113c62d9 113#define PRID_IMP_M14KC 0x9c00
f8fa4811 114#define PRID_IMP_M14KEC 0x9e00
0ce7d58e
LY
115#define PRID_IMP_INTERAPTIV_UP 0xa000
116#define PRID_IMP_INTERAPTIV_MP 0xa100
76f59e32
LY
117#define PRID_IMP_PROAPTIV_UP 0xa200
118#define PRID_IMP_PROAPTIV_MP 0xa300
4975b86a 119#define PRID_IMP_M5150 0xa700
f43e4dfd 120#define PRID_IMP_P5600 0xa800
1da177e4 121
1da177e4
LT
122/*
123 * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
124 */
125
70342287
RB
126#define PRID_IMP_SB1 0x0100
127#define PRID_IMP_SB1A 0x1100
1da177e4
LT
128
129/*
130 * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
131 */
132
70342287 133#define PRID_IMP_SR71000 0x0400
1da177e4 134
1c0c13eb
AJ
135/*
136 * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
137 */
138
190fca3e
KC
139#define PRID_IMP_BMIPS32_REV4 0x4000
140#define PRID_IMP_BMIPS32_REV8 0x8000
602977b0
KC
141#define PRID_IMP_BMIPS3300 0x9000
142#define PRID_IMP_BMIPS3300_ALT 0x9100
143#define PRID_IMP_BMIPS3300_BUG 0x0000
144#define PRID_IMP_BMIPS43XX 0xa000
145#define PRID_IMP_BMIPS5000 0x5a00
68e6a783 146#define PRID_IMP_BMIPS5200 0x5b00
602977b0
KC
147
148#define PRID_REV_BMIPS4380_LO 0x0040
149#define PRID_REV_BMIPS4380_HI 0x006f
1c0c13eb 150
0dd4781b
DD
151/*
152 * These are the PRID's for when 23:16 == PRID_COMP_CAVIUM
153 */
154
155#define PRID_IMP_CAVIUM_CN38XX 0x0000
156#define PRID_IMP_CAVIUM_CN31XX 0x0100
157#define PRID_IMP_CAVIUM_CN30XX 0x0200
158#define PRID_IMP_CAVIUM_CN58XX 0x0300
159#define PRID_IMP_CAVIUM_CN56XX 0x0400
160#define PRID_IMP_CAVIUM_CN50XX 0x0600
161#define PRID_IMP_CAVIUM_CN52XX 0x0700
1584d7f2 162#define PRID_IMP_CAVIUM_CN63XX 0x9000
074ef0d2
DD
163#define PRID_IMP_CAVIUM_CN68XX 0x9100
164#define PRID_IMP_CAVIUM_CN66XX 0x9200
165#define PRID_IMP_CAVIUM_CN61XX 0x9300
71a8b7d8
DD
166#define PRID_IMP_CAVIUM_CNF71XX 0x9400
167#define PRID_IMP_CAVIUM_CN78XX 0x9500
168#define PRID_IMP_CAVIUM_CN70XX 0x9600
0dd4781b 169
83ccf69d
LPC
170/*
171 * These are the PRID's for when 23:16 == PRID_COMP_INGENIC
172 */
173
70342287 174#define PRID_IMP_JZRISC 0x0200
83ccf69d 175
a7117c6b
J
176/*
177 * These are the PRID's for when 23:16 == PRID_COMP_NETLOGIC
178 */
179#define PRID_IMP_NETLOGIC_XLR732 0x0000
180#define PRID_IMP_NETLOGIC_XLR716 0x0200
181#define PRID_IMP_NETLOGIC_XLR532 0x0900
182#define PRID_IMP_NETLOGIC_XLR308 0x0600
183#define PRID_IMP_NETLOGIC_XLR532C 0x0800
184#define PRID_IMP_NETLOGIC_XLR516C 0x0a00
185#define PRID_IMP_NETLOGIC_XLR508C 0x0b00
186#define PRID_IMP_NETLOGIC_XLR308C 0x0f00
187#define PRID_IMP_NETLOGIC_XLS608 0x8000
188#define PRID_IMP_NETLOGIC_XLS408 0x8800
189#define PRID_IMP_NETLOGIC_XLS404 0x8c00
190#define PRID_IMP_NETLOGIC_XLS208 0x8e00
191#define PRID_IMP_NETLOGIC_XLS204 0x8f00
192#define PRID_IMP_NETLOGIC_XLS108 0xce00
193#define PRID_IMP_NETLOGIC_XLS104 0xcf00
194#define PRID_IMP_NETLOGIC_XLS616B 0x4000
195#define PRID_IMP_NETLOGIC_XLS608B 0x4a00
196#define PRID_IMP_NETLOGIC_XLS416B 0x4400
197#define PRID_IMP_NETLOGIC_XLS412B 0x4c00
198#define PRID_IMP_NETLOGIC_XLS408B 0x4e00
199#define PRID_IMP_NETLOGIC_XLS404B 0x4f00
809f36c6 200#define PRID_IMP_NETLOGIC_AU13XX 0x8000
a7117c6b 201
2aa54b20
J
202#define PRID_IMP_NETLOGIC_XLP8XX 0x1000
203#define PRID_IMP_NETLOGIC_XLP3XX 0x1100
4ca86a2f 204#define PRID_IMP_NETLOGIC_XLP2XX 0x1200
8907c55e 205#define PRID_IMP_NETLOGIC_XLP9XX 0x1500
1c983986 206#define PRID_IMP_NETLOGIC_XLP5XX 0x1300
a7117c6b 207
1da177e4 208/*
8ff374b9 209 * Particular Revision values for bits 7:0 of the PRId register.
1da177e4
LT
210 */
211
9267a30d 212#define PRID_REV_MASK 0x00ff
1da177e4 213
8ff374b9
MR
214/*
215 * Definitions for 7:0 on legacy processors
216 */
217
1da177e4
LT
218#define PRID_REV_TX4927 0x0022
219#define PRID_REV_TX4937 0x0030
220#define PRID_REV_R4400 0x0040
221#define PRID_REV_R3000A 0x0030
222#define PRID_REV_R3000 0x0020
223#define PRID_REV_R2000A 0x0010
70342287
RB
224#define PRID_REV_TX3912 0x0010
225#define PRID_REV_TX3922 0x0030
226#define PRID_REV_TX3927 0x0040
1da177e4
LT
227#define PRID_REV_VR4111 0x0050
228#define PRID_REV_VR4181 0x0050 /* Same as VR4111 */
229#define PRID_REV_VR4121 0x0060
230#define PRID_REV_VR4122 0x0070
231#define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */
232#define PRID_REV_VR4130 0x0080
9267a30d 233#define PRID_REV_34K_V1_0_2 0x0022
2fa36399 234#define PRID_REV_LOONGSON1B 0x0020
f8ede0f7
WZ
235#define PRID_REV_LOONGSON2E 0x0002
236#define PRID_REV_LOONGSON2F 0x0003
152ebb44 237#define PRID_REV_LOONGSON3A 0x0005
e7841be5
HC
238#define PRID_REV_LOONGSON3B_R1 0x0006
239#define PRID_REV_LOONGSON3B_R2 0x0007
1da177e4 240
fde97822
RB
241/*
242 * Older processors used to encode processor version and revision in two
243 * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
244 * have switched to use the 8-bits as 3:3:2 bitfield with the last field as
245 * the patch number. *ARGH*
246 */
247#define PRID_REV_ENCODE_44(ver, rev) \
248 ((ver) << 4 | (rev))
249#define PRID_REV_ENCODE_332(ver, rev, patch) \
250 ((ver) << 5 | (rev) << 2 | (patch))
251
1da177e4
LT
252/*
253 * FPU implementation/revision register (CP1 control register 0).
254 *
255 * +---------------------------------+----------------+----------------+
70342287 256 * | 0 | Implementation | Revision |
1da177e4 257 * +---------------------------------+----------------+----------------+
70342287 258 * 31 16 15 8 7 0
1da177e4
LT
259 */
260
8ff374b9
MR
261#define FPIR_IMP_MASK 0xff00
262
1da177e4
LT
263#define FPIR_IMP_NONE 0x0000
264
68248d0c
JG
265#if !defined(__ASSEMBLY__)
266
36cfbaad
RB
267enum cpu_type_enum {
268 CPU_UNKNOWN,
269
270 /*
271 * R2000 class processors
272 */
273 CPU_R2000, CPU_R3000, CPU_R3000A, CPU_R3041, CPU_R3051, CPU_R3052,
274 CPU_R3081, CPU_R3081E,
275
276 /*
277 * R6000 class processors
278 */
279 CPU_R6000, CPU_R6000A,
280
281 /*
282 * R4000 class processors
283 */
284 CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200, CPU_R4300, CPU_R4310,
285 CPU_R4400PC, CPU_R4400SC, CPU_R4400MC, CPU_R4600, CPU_R4640, CPU_R4650,
fb2b1dba
RB
286 CPU_R4700, CPU_R5000, CPU_R5500, CPU_NEVADA, CPU_R5432, CPU_R10000,
287 CPU_R12000, CPU_R14000, CPU_VR41XX, CPU_VR4111, CPU_VR4121, CPU_VR4122,
288 CPU_VR4131, CPU_VR4133, CPU_VR4181, CPU_VR4181A, CPU_RM7000,
321b1863 289 CPU_SR71000, CPU_TX49XX,
36cfbaad
RB
290
291 /*
292 * R8000 class processors
293 */
294 CPU_R8000,
295
296 /*
297 * TX3900 class processors
298 */
299 CPU_TX3912, CPU_TX3922, CPU_TX3927,
300
301 /*
302 * MIPS32 class processors
303 */
39b8d525 304 CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
602977b0 305 CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
2fa36399 306 CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC,
f36c4720 307 CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K, CPU_M5150,
36cfbaad
RB
308
309 /*
310 * MIPS64 class processors
311 */
78d4803f 312 CPU_5KC, CPU_5KE, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2,
152ebb44
HC
313 CPU_LOONGSON3, CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS,
314 CPU_CAVIUM_OCTEON2, CPU_CAVIUM_OCTEON3, CPU_XLR, CPU_XLP,
36cfbaad 315
aca5721e
LY
316 CPU_QEMU_GENERIC,
317
36cfbaad
RB
318 CPU_LAST
319};
320
68248d0c 321#endif /* !__ASSEMBLY */
1da177e4
LT
322
323/*
324 * ISA Level encodings
325 *
326 */
1990e542
RB
327#define MIPS_CPU_ISA_II 0x00000001
328#define MIPS_CPU_ISA_III 0x00000002
329#define MIPS_CPU_ISA_IV 0x00000004
330#define MIPS_CPU_ISA_V 0x00000008
331#define MIPS_CPU_ISA_M32R1 0x00000010
332#define MIPS_CPU_ISA_M32R2 0x00000020
333#define MIPS_CPU_ISA_M64R1 0x00000040
334#define MIPS_CPU_ISA_M64R2 0x00000080
34c56fc1
LY
335#define MIPS_CPU_ISA_M32R6 0x00000100
336#define MIPS_CPU_ISA_M64R6 0x00000200
1990e542
RB
337
338#define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_II | MIPS_CPU_ISA_M32R1 | \
34c56fc1 339 MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M32R6)
0401572a 340#define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
34c56fc1
LY
341 MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2 | \
342 MIPS_CPU_ISA_M64R6)
1da177e4
LT
343
344/*
345 * CPU Option encodings
346 */
03a58777
MC
347#define MIPS_CPU_TLB 0x00000001ull /* CPU has TLB */
348#define MIPS_CPU_4KEX 0x00000002ull /* "R4K" exception model */
349#define MIPS_CPU_3K_CACHE 0x00000004ull /* R3000-style caches */
350#define MIPS_CPU_4K_CACHE 0x00000008ull /* R4000-style caches */
351#define MIPS_CPU_TX39_CACHE 0x00000010ull /* TX3900-style caches */
352#define MIPS_CPU_FPU 0x00000020ull /* CPU has FPU */
353#define MIPS_CPU_32FPR 0x00000040ull /* 32 dbl. prec. FP registers */
354#define MIPS_CPU_COUNTER 0x00000080ull /* Cycle count/compare */
355#define MIPS_CPU_WATCH 0x00000100ull /* watchpoint registers */
356#define MIPS_CPU_DIVEC 0x00000200ull /* dedicated interrupt vector */
357#define MIPS_CPU_VCE 0x00000400ull /* virt. coherence conflict possible */
358#define MIPS_CPU_CACHE_CDEX_P 0x00000800ull /* Create_Dirty_Exclusive CACHE op */
359#define MIPS_CPU_CACHE_CDEX_S 0x00001000ull /* ... same for seconary cache ... */
360#define MIPS_CPU_MCHECK 0x00002000ull /* Machine check exception */
361#define MIPS_CPU_EJTAG 0x00004000ull /* EJTAG exception */
362#define MIPS_CPU_NOFPUEX 0x00008000ull /* no FPU exception */
363#define MIPS_CPU_LLSC 0x00010000ull /* CPU has ll/sc instructions */
364#define MIPS_CPU_INCLUSIVE_CACHES 0x00020000ull /* P-cache subset enforced */
365#define MIPS_CPU_PREFETCH 0x00040000ull /* CPU has usable prefetch */
366#define MIPS_CPU_VINT 0x00080000ull /* CPU supports MIPSR2 vectored interrupts */
367#define MIPS_CPU_VEIC 0x00100000ull /* CPU supports MIPSR2 external interrupt controller mode */
368#define MIPS_CPU_ULRI 0x00200000ull /* CPU has ULRI feature */
369#define MIPS_CPU_PCI 0x00400000ull /* CPU has Perf Ctr Int indicator */
370#define MIPS_CPU_RIXI 0x00800000ull /* CPU has TLB Read/eXec Inhibit */
371#define MIPS_CPU_MICROMIPS 0x01000000ull /* CPU has microMIPS capability */
372#define MIPS_CPU_TLBINV 0x02000000ull /* CPU supports TLBINV/F */
373#define MIPS_CPU_SEGMENTS 0x04000000ull /* CPU supports Segmentation Control registers */
374#define MIPS_CPU_EVA 0x80000000ull /* CPU supports Enhanced Virtual Addressing */
e647e6b5 375#define MIPS_CPU_HTW 0x100000000ull /* CPU support Hardware Page Table Walker */
6ee729aa 376#define MIPS_CPU_RIXIEX 0x200000000ull /* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */
1f6c52ff 377#define MIPS_CPU_MAAR 0x400000000ull /* MAAR(I) registers are present */
adac5d53 378#define MIPS_CPU_FRE 0x800000000ull /* FRE & UFE bits implemented */
5aed9da1 379#define MIPS_CPU_RW_LLB 0x1000000000ull /* LLADDR/LLB writes are allowed */
9b3274bd 380#define MIPS_CPU_CDMM 0x2000000000ull /* CPU has Common Device Memory Map */
1da177e4 381
4194318c
RB
382/*
383 * CPU ASE encodings
384 */
385#define MIPS_ASE_MIPS16 0x00000001 /* code compression */
386#define MIPS_ASE_MDMX 0x00000002 /* MIPS digital media extension */
387#define MIPS_ASE_MIPS3D 0x00000004 /* MIPS-3D */
388#define MIPS_ASE_SMARTMIPS 0x00000008 /* SmartMIPS */
e50c0a8f 389#define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */
8f40611d 390#define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */
ee80f7c7 391#define MIPS_ASE_DSP2P 0x00000040 /* Signal Processing ASE Rev 2 */
1e7decdb 392#define MIPS_ASE_VZ 0x00000080 /* Virtualization ASE */
a5e9a69e 393#define MIPS_ASE_MSA 0x00000100 /* MIPS SIMD Architecture */
4194318c 394
1da177e4 395#endif /* _ASM_CPU_H */