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1// SPDX-License-Identifier: GPL-2.0
2/* cpu.c: Dinky routines to look for the kind of Sparc cpu
3 * we are on.
4 *
5 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
6 */
7
8#include <linux/seq_file.h>
9#include <linux/kernel.h>
10#include <linux/export.h>
11#include <linux/init.h>
12#include <linux/smp.h>
13#include <linux/threads.h>
14
15#include <asm/spitfire.h>
16#include <asm/pgtable.h>
17#include <asm/oplib.h>
18#include <asm/setup.h>
19#include <asm/page.h>
20#include <asm/head.h>
21#include <asm/psr.h>
22#include <asm/mbus.h>
23#include <asm/cpudata.h>
24
25#include "kernel.h"
26#include "entry.h"
27
28DEFINE_PER_CPU(cpuinfo_sparc, __cpu_data) = { 0 };
29EXPORT_PER_CPU_SYMBOL(__cpu_data);
30
31int ncpus_probed;
32unsigned int fsr_storage;
33
34struct cpu_info {
35 int psr_vers;
36 const char *name;
37 const char *pmu_name;
38};
39
40struct fpu_info {
41 int fp_vers;
42 const char *name;
43};
44
45#define NOCPU 8
46#define NOFPU 8
47
48struct manufacturer_info {
49 int psr_impl;
50 struct cpu_info cpu_info[NOCPU];
51 struct fpu_info fpu_info[NOFPU];
52};
53
54#define CPU(ver, _name) \
55{ .psr_vers = ver, .name = _name }
56
57#define CPU_PMU(ver, _name, _pmu_name) \
58{ .psr_vers = ver, .name = _name, .pmu_name = _pmu_name }
59
60#define FPU(ver, _name) \
61{ .fp_vers = ver, .name = _name }
62
63static const struct manufacturer_info __initconst manufacturer_info[] = {
64{
65 0,
66 /* Sun4/100, 4/200, SLC */
67 .cpu_info = {
68 CPU(0, "Fujitsu MB86900/1A or LSI L64831 SparcKIT-40"),
69 /* borned STP1012PGA */
70 CPU(4, "Fujitsu MB86904"),
71 CPU(5, "Fujitsu TurboSparc MB86907"),
72 CPU(-1, NULL)
73 },
74 .fpu_info = {
75 FPU(0, "Fujitsu MB86910 or Weitek WTL1164/5"),
76 FPU(1, "Fujitsu MB86911 or Weitek WTL1164/5 or LSI L64831"),
77 FPU(2, "LSI Logic L64802 or Texas Instruments ACT8847"),
78 /* SparcStation SLC, SparcStation1 */
79 FPU(3, "Weitek WTL3170/2"),
80 /* SPARCstation-5 */
81 FPU(4, "Lsi Logic/Meiko L64804 or compatible"),
82 FPU(-1, NULL)
83 }
84},{
85 1,
86 .cpu_info = {
87 /* SparcStation2, SparcServer 490 & 690 */
88 CPU(0, "LSI Logic Corporation - L64811"),
89 /* SparcStation2 */
90 CPU(1, "Cypress/ROSS CY7C601"),
91 /* Embedded controller */
92 CPU(3, "Cypress/ROSS CY7C611"),
93 /* Ross Technologies HyperSparc */
94 CPU(0xf, "ROSS HyperSparc RT620"),
95 CPU(0xe, "ROSS HyperSparc RT625 or RT626"),
96 CPU(-1, NULL)
97 },
98 .fpu_info = {
99 FPU(0, "ROSS HyperSparc combined IU/FPU"),
100 FPU(1, "Lsi Logic L64814"),
101 FPU(2, "Texas Instruments TMS390-C602A"),
102 FPU(3, "Cypress CY7C602 FPU"),
103 FPU(-1, NULL)
104 }
105},{
106 2,
107 .cpu_info = {
108 /* ECL Implementation, CRAY S-MP Supercomputer... AIEEE! */
109 /* Someone please write the code to support this beast! ;) */
110 CPU(0, "Bipolar Integrated Technology - B5010"),
111 CPU(-1, NULL)
112 },
113 .fpu_info = {
114 FPU(-1, NULL)
115 }
116},{
117 3,
118 .cpu_info = {
119 CPU(0, "LSI Logic Corporation - unknown-type"),
120 CPU(-1, NULL)
121 },
122 .fpu_info = {
123 FPU(-1, NULL)
124 }
125},{
126 PSR_IMPL_TI,
127 .cpu_info = {
128 CPU(0, "Texas Instruments, Inc. - SuperSparc-(II)"),
129 /* SparcClassic -- borned STP1010TAB-50*/
130 CPU(1, "Texas Instruments, Inc. - MicroSparc"),
131 CPU(2, "Texas Instruments, Inc. - MicroSparc II"),
132 CPU(3, "Texas Instruments, Inc. - SuperSparc 51"),
133 CPU(4, "Texas Instruments, Inc. - SuperSparc 61"),
134 CPU(5, "Texas Instruments, Inc. - unknown"),
135 CPU(-1, NULL)
136 },
137 .fpu_info = {
138 /* SuperSparc 50 module */
139 FPU(0, "SuperSparc on-chip FPU"),
140 /* SparcClassic */
141 FPU(4, "TI MicroSparc on chip FPU"),
142 FPU(-1, NULL)
143 }
144},{
145 5,
146 .cpu_info = {
147 CPU(0, "Matsushita - MN10501"),
148 CPU(-1, NULL)
149 },
150 .fpu_info = {
151 FPU(0, "Matsushita MN10501"),
152 FPU(-1, NULL)
153 }
154},{
155 6,
156 .cpu_info = {
157 CPU(0, "Philips Corporation - unknown"),
158 CPU(-1, NULL)
159 },
160 .fpu_info = {
161 FPU(-1, NULL)
162 }
163},{
164 7,
165 .cpu_info = {
166 CPU(0, "Harvest VLSI Design Center, Inc. - unknown"),
167 CPU(-1, NULL)
168 },
169 .fpu_info = {
170 FPU(-1, NULL)
171 }
172},{
173 8,
174 .cpu_info = {
175 CPU(0, "Systems and Processes Engineering Corporation (SPEC)"),
176 CPU(-1, NULL)
177 },
178 .fpu_info = {
179 FPU(-1, NULL)
180 }
181},{
182 9,
183 .cpu_info = {
184 /* Gallium arsenide 200MHz, BOOOOGOOOOMIPS!!! */
185 CPU(0, "Fujitsu or Weitek Power-UP"),
186 CPU(1, "Fujitsu or Weitek Power-UP"),
187 CPU(2, "Fujitsu or Weitek Power-UP"),
188 CPU(3, "Fujitsu or Weitek Power-UP"),
189 CPU(-1, NULL)
190 },
191 .fpu_info = {
192 FPU(3, "Fujitsu or Weitek on-chip FPU"),
193 FPU(-1, NULL)
194 }
195},{
196 PSR_IMPL_LEON, /* Aeroflex Gaisler */
197 .cpu_info = {
198 CPU(3, "LEON"),
199 CPU(-1, NULL)
200 },
201 .fpu_info = {
202 FPU(2, "GRFPU"),
203 FPU(3, "GRFPU-Lite"),
204 FPU(-1, NULL)
205 }
206},{
207 0x17,
208 .cpu_info = {
209 CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"),
210 CPU_PMU(0x11, "TI UltraSparc II (BlackBird)", "ultra12"),
211 CPU_PMU(0x12, "TI UltraSparc IIi (Sabre)", "ultra12"),
212 CPU_PMU(0x13, "TI UltraSparc IIe (Hummingbird)", "ultra12"),
213 CPU(-1, NULL)
214 },
215 .fpu_info = {
216 FPU(0x10, "UltraSparc I integrated FPU"),
217 FPU(0x11, "UltraSparc II integrated FPU"),
218 FPU(0x12, "UltraSparc IIi integrated FPU"),
219 FPU(0x13, "UltraSparc IIe integrated FPU"),
220 FPU(-1, NULL)
221 }
222},{
223 0x22,
224 .cpu_info = {
225 CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"),
226 CPU(-1, NULL)
227 },
228 .fpu_info = {
229 FPU(0x10, "UltraSparc I integrated FPU"),
230 FPU(-1, NULL)
231 }
232},{
233 0x3e,
234 .cpu_info = {
235 CPU_PMU(0x14, "TI UltraSparc III (Cheetah)", "ultra3"),
236 CPU_PMU(0x15, "TI UltraSparc III+ (Cheetah+)", "ultra3+"),
237 CPU_PMU(0x16, "TI UltraSparc IIIi (Jalapeno)", "ultra3i"),
238 CPU_PMU(0x18, "TI UltraSparc IV (Jaguar)", "ultra3+"),
239 CPU_PMU(0x19, "TI UltraSparc IV+ (Panther)", "ultra4+"),
240 CPU_PMU(0x22, "TI UltraSparc IIIi+ (Serrano)", "ultra3i"),
241 CPU(-1, NULL)
242 },
243 .fpu_info = {
244 FPU(0x14, "UltraSparc III integrated FPU"),
245 FPU(0x15, "UltraSparc III+ integrated FPU"),
246 FPU(0x16, "UltraSparc IIIi integrated FPU"),
247 FPU(0x18, "UltraSparc IV integrated FPU"),
248 FPU(0x19, "UltraSparc IV+ integrated FPU"),
249 FPU(0x22, "UltraSparc IIIi+ integrated FPU"),
250 FPU(-1, NULL)
251 }
252}};
253
254/* In order to get the fpu type correct, you need to take the IDPROM's
255 * machine type value into consideration too. I will fix this.
256 */
257
258static const char *sparc_cpu_type;
259static const char *sparc_fpu_type;
260const char *sparc_pmu_type;
261
262
263static void __init set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
264{
265 const struct manufacturer_info *manuf;
266 int i;
267
268 sparc_cpu_type = NULL;
269 sparc_fpu_type = NULL;
270 sparc_pmu_type = NULL;
271 manuf = NULL;
272
273 for (i = 0; i < ARRAY_SIZE(manufacturer_info); i++)
274 {
275 if (psr_impl == manufacturer_info[i].psr_impl) {
276 manuf = &manufacturer_info[i];
277 break;
278 }
279 }
280 if (manuf != NULL)
281 {
282 const struct cpu_info *cpu;
283 const struct fpu_info *fpu;
284
285 cpu = &manuf->cpu_info[0];
286 while (cpu->psr_vers != -1)
287 {
288 if (cpu->psr_vers == psr_vers) {
289 sparc_cpu_type = cpu->name;
290 sparc_pmu_type = cpu->pmu_name;
291 sparc_fpu_type = "No FPU";
292 break;
293 }
294 cpu++;
295 }
296 fpu = &manuf->fpu_info[0];
297 while (fpu->fp_vers != -1)
298 {
299 if (fpu->fp_vers == fpu_vers) {
300 sparc_fpu_type = fpu->name;
301 break;
302 }
303 fpu++;
304 }
305 }
306 if (sparc_cpu_type == NULL)
307 {
308 printk(KERN_ERR "CPU: Unknown chip, impl[0x%x] vers[0x%x]\n",
309 psr_impl, psr_vers);
310 sparc_cpu_type = "Unknown CPU";
311 }
312 if (sparc_fpu_type == NULL)
313 {
314 printk(KERN_ERR "FPU: Unknown chip, impl[0x%x] vers[0x%x]\n",
315 psr_impl, fpu_vers);
316 sparc_fpu_type = "Unknown FPU";
317 }
318 if (sparc_pmu_type == NULL)
319 sparc_pmu_type = "Unknown PMU";
320}
321
322#ifdef CONFIG_SPARC32
323static int show_cpuinfo(struct seq_file *m, void *__unused)
324{
325 seq_printf(m,
326 "cpu\t\t: %s\n"
327 "fpu\t\t: %s\n"
328 "promlib\t\t: Version %d Revision %d\n"
329 "prom\t\t: %d.%d\n"
330 "type\t\t: %s\n"
331 "ncpus probed\t: %d\n"
332 "ncpus active\t: %d\n"
333#ifndef CONFIG_SMP
334 "CPU0Bogo\t: %lu.%02lu\n"
335 "CPU0ClkTck\t: %ld\n"
336#endif
337 ,
338 sparc_cpu_type,
339 sparc_fpu_type ,
340 romvec->pv_romvers,
341 prom_rev,
342 romvec->pv_printrev >> 16,
343 romvec->pv_printrev & 0xffff,
344 &cputypval[0],
345 ncpus_probed,
346 num_online_cpus()
347#ifndef CONFIG_SMP
348 , cpu_data(0).udelay_val/(500000/HZ),
349 (cpu_data(0).udelay_val/(5000/HZ)) % 100,
350 cpu_data(0).clock_tick
351#endif
352 );
353
354#ifdef CONFIG_SMP
355 smp_bogo(m);
356#endif
357 mmu_info(m);
358#ifdef CONFIG_SMP
359 smp_info(m);
360#endif
361 return 0;
362}
363#endif /* CONFIG_SPARC32 */
364
365#ifdef CONFIG_SPARC64
366unsigned int dcache_parity_tl1_occurred;
367unsigned int icache_parity_tl1_occurred;
368
369
370static int show_cpuinfo(struct seq_file *m, void *__unused)
371{
372 seq_printf(m,
373 "cpu\t\t: %s\n"
374 "fpu\t\t: %s\n"
375 "pmu\t\t: %s\n"
376 "prom\t\t: %s\n"
377 "type\t\t: %s\n"
378 "ncpus probed\t: %d\n"
379 "ncpus active\t: %d\n"
380 "D$ parity tl1\t: %u\n"
381 "I$ parity tl1\t: %u\n"
382#ifndef CONFIG_SMP
383 "Cpu0ClkTck\t: %016lx\n"
384#endif
385 ,
386 sparc_cpu_type,
387 sparc_fpu_type,
388 sparc_pmu_type,
389 prom_version,
390 ((tlb_type == hypervisor) ?
391 "sun4v" :
392 "sun4u"),
393 ncpus_probed,
394 num_online_cpus(),
395 dcache_parity_tl1_occurred,
396 icache_parity_tl1_occurred
397#ifndef CONFIG_SMP
398 , cpu_data(0).clock_tick
399#endif
400 );
401 cpucap_info(m);
402#ifdef CONFIG_SMP
403 smp_bogo(m);
404#endif
405 mmu_info(m);
406#ifdef CONFIG_SMP
407 smp_info(m);
408#endif
409 return 0;
410}
411#endif /* CONFIG_SPARC64 */
412
413static void *c_start(struct seq_file *m, loff_t *pos)
414{
415 /* The pointer we are returning is arbitrary,
416 * it just has to be non-NULL and not IS_ERR
417 * in the success case.
418 */
419 return *pos == 0 ? &c_start : NULL;
420}
421
422static void *c_next(struct seq_file *m, void *v, loff_t *pos)
423{
424 ++*pos;
425 return c_start(m, pos);
426}
427
428static void c_stop(struct seq_file *m, void *v)
429{
430}
431
432const struct seq_operations cpuinfo_op = {
433 .start =c_start,
434 .next = c_next,
435 .stop = c_stop,
436 .show = show_cpuinfo,
437};
438
439#ifdef CONFIG_SPARC32
440static int __init cpu_type_probe(void)
441{
442 int psr_impl, psr_vers, fpu_vers;
443 int psr;
444
445 psr_impl = ((get_psr() >> PSR_IMPL_SHIFT) & PSR_IMPL_SHIFTED_MASK);
446 psr_vers = ((get_psr() >> PSR_VERS_SHIFT) & PSR_VERS_SHIFTED_MASK);
447
448 psr = get_psr();
449 put_psr(psr | PSR_EF);
450
451 if (psr_impl == PSR_IMPL_LEON)
452 fpu_vers = get_psr() & PSR_EF ? ((get_fsr() >> 17) & 0x7) : 7;
453 else
454 fpu_vers = ((get_fsr() >> 17) & 0x7);
455
456 put_psr(psr);
457
458 set_cpu_and_fpu(psr_impl, psr_vers, fpu_vers);
459
460 return 0;
461}
462#endif /* CONFIG_SPARC32 */
463
464#ifdef CONFIG_SPARC64
465static void __init sun4v_cpu_probe(void)
466{
467 switch (sun4v_chip_type) {
468 case SUN4V_CHIP_NIAGARA1:
469 sparc_cpu_type = "UltraSparc T1 (Niagara)";
470 sparc_fpu_type = "UltraSparc T1 integrated FPU";
471 sparc_pmu_type = "niagara";
472 break;
473
474 case SUN4V_CHIP_NIAGARA2:
475 sparc_cpu_type = "UltraSparc T2 (Niagara2)";
476 sparc_fpu_type = "UltraSparc T2 integrated FPU";
477 sparc_pmu_type = "niagara2";
478 break;
479
480 case SUN4V_CHIP_NIAGARA3:
481 sparc_cpu_type = "UltraSparc T3 (Niagara3)";
482 sparc_fpu_type = "UltraSparc T3 integrated FPU";
483 sparc_pmu_type = "niagara3";
484 break;
485
486 case SUN4V_CHIP_NIAGARA4:
487 sparc_cpu_type = "UltraSparc T4 (Niagara4)";
488 sparc_fpu_type = "UltraSparc T4 integrated FPU";
489 sparc_pmu_type = "niagara4";
490 break;
491
492 case SUN4V_CHIP_NIAGARA5:
493 sparc_cpu_type = "UltraSparc T5 (Niagara5)";
494 sparc_fpu_type = "UltraSparc T5 integrated FPU";
495 sparc_pmu_type = "niagara5";
496 break;
497
498 case SUN4V_CHIP_SPARC_M6:
499 sparc_cpu_type = "SPARC-M6";
500 sparc_fpu_type = "SPARC-M6 integrated FPU";
501 sparc_pmu_type = "sparc-m6";
502 break;
503
504 case SUN4V_CHIP_SPARC_M7:
505 sparc_cpu_type = "SPARC-M7";
506 sparc_fpu_type = "SPARC-M7 integrated FPU";
507 sparc_pmu_type = "sparc-m7";
508 break;
509
510 case SUN4V_CHIP_SPARC_M8:
511 sparc_cpu_type = "SPARC-M8";
512 sparc_fpu_type = "SPARC-M8 integrated FPU";
513 sparc_pmu_type = "sparc-m8";
514 break;
515
516 case SUN4V_CHIP_SPARC_SN:
517 sparc_cpu_type = "SPARC-SN";
518 sparc_fpu_type = "SPARC-SN integrated FPU";
519 sparc_pmu_type = "sparc-sn";
520 break;
521
522 case SUN4V_CHIP_SPARC64X:
523 sparc_cpu_type = "SPARC64-X";
524 sparc_fpu_type = "SPARC64-X integrated FPU";
525 sparc_pmu_type = "sparc64-x";
526 break;
527
528 default:
529 printk(KERN_WARNING "CPU: Unknown sun4v cpu type [%s]\n",
530 prom_cpu_compatible);
531 sparc_cpu_type = "Unknown SUN4V CPU";
532 sparc_fpu_type = "Unknown SUN4V FPU";
533 sparc_pmu_type = "Unknown SUN4V PMU";
534 break;
535 }
536}
537
538static int __init cpu_type_probe(void)
539{
540 if (tlb_type == hypervisor) {
541 sun4v_cpu_probe();
542 } else {
543 unsigned long ver;
544 int manuf, impl;
545
546 __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver));
547
548 manuf = ((ver >> 48) & 0xffff);
549 impl = ((ver >> 32) & 0xffff);
550 set_cpu_and_fpu(manuf, impl, impl);
551 }
552 return 0;
553}
554#endif /* CONFIG_SPARC64 */
555
556early_initcall(cpu_type_probe);
1/* cpu.c: Dinky routines to look for the kind of Sparc cpu
2 * we are on.
3 *
4 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
5 */
6
7#include <linux/seq_file.h>
8#include <linux/kernel.h>
9#include <linux/export.h>
10#include <linux/init.h>
11#include <linux/smp.h>
12#include <linux/threads.h>
13
14#include <asm/spitfire.h>
15#include <asm/pgtable.h>
16#include <asm/oplib.h>
17#include <asm/setup.h>
18#include <asm/page.h>
19#include <asm/head.h>
20#include <asm/psr.h>
21#include <asm/mbus.h>
22#include <asm/cpudata.h>
23
24#include "kernel.h"
25
26DEFINE_PER_CPU(cpuinfo_sparc, __cpu_data) = { 0 };
27EXPORT_PER_CPU_SYMBOL(__cpu_data);
28
29int ncpus_probed;
30unsigned int fsr_storage;
31
32struct cpu_info {
33 int psr_vers;
34 const char *name;
35 const char *pmu_name;
36};
37
38struct fpu_info {
39 int fp_vers;
40 const char *name;
41};
42
43#define NOCPU 8
44#define NOFPU 8
45
46struct manufacturer_info {
47 int psr_impl;
48 struct cpu_info cpu_info[NOCPU];
49 struct fpu_info fpu_info[NOFPU];
50};
51
52#define CPU(ver, _name) \
53{ .psr_vers = ver, .name = _name }
54
55#define CPU_PMU(ver, _name, _pmu_name) \
56{ .psr_vers = ver, .name = _name, .pmu_name = _pmu_name }
57
58#define FPU(ver, _name) \
59{ .fp_vers = ver, .name = _name }
60
61static const struct manufacturer_info __initconst manufacturer_info[] = {
62{
63 0,
64 /* Sun4/100, 4/200, SLC */
65 .cpu_info = {
66 CPU(0, "Fujitsu MB86900/1A or LSI L64831 SparcKIT-40"),
67 /* borned STP1012PGA */
68 CPU(4, "Fujitsu MB86904"),
69 CPU(5, "Fujitsu TurboSparc MB86907"),
70 CPU(-1, NULL)
71 },
72 .fpu_info = {
73 FPU(0, "Fujitsu MB86910 or Weitek WTL1164/5"),
74 FPU(1, "Fujitsu MB86911 or Weitek WTL1164/5 or LSI L64831"),
75 FPU(2, "LSI Logic L64802 or Texas Instruments ACT8847"),
76 /* SparcStation SLC, SparcStation1 */
77 FPU(3, "Weitek WTL3170/2"),
78 /* SPARCstation-5 */
79 FPU(4, "Lsi Logic/Meiko L64804 or compatible"),
80 FPU(-1, NULL)
81 }
82},{
83 1,
84 .cpu_info = {
85 /* SparcStation2, SparcServer 490 & 690 */
86 CPU(0, "LSI Logic Corporation - L64811"),
87 /* SparcStation2 */
88 CPU(1, "Cypress/ROSS CY7C601"),
89 /* Embedded controller */
90 CPU(3, "Cypress/ROSS CY7C611"),
91 /* Ross Technologies HyperSparc */
92 CPU(0xf, "ROSS HyperSparc RT620"),
93 CPU(0xe, "ROSS HyperSparc RT625 or RT626"),
94 CPU(-1, NULL)
95 },
96 .fpu_info = {
97 FPU(0, "ROSS HyperSparc combined IU/FPU"),
98 FPU(1, "Lsi Logic L64814"),
99 FPU(2, "Texas Instruments TMS390-C602A"),
100 FPU(3, "Cypress CY7C602 FPU"),
101 FPU(-1, NULL)
102 }
103},{
104 2,
105 .cpu_info = {
106 /* ECL Implementation, CRAY S-MP Supercomputer... AIEEE! */
107 /* Someone please write the code to support this beast! ;) */
108 CPU(0, "Bipolar Integrated Technology - B5010"),
109 CPU(-1, NULL)
110 },
111 .fpu_info = {
112 FPU(-1, NULL)
113 }
114},{
115 3,
116 .cpu_info = {
117 CPU(0, "LSI Logic Corporation - unknown-type"),
118 CPU(-1, NULL)
119 },
120 .fpu_info = {
121 FPU(-1, NULL)
122 }
123},{
124 PSR_IMPL_TI,
125 .cpu_info = {
126 CPU(0, "Texas Instruments, Inc. - SuperSparc-(II)"),
127 /* SparcClassic -- borned STP1010TAB-50*/
128 CPU(1, "Texas Instruments, Inc. - MicroSparc"),
129 CPU(2, "Texas Instruments, Inc. - MicroSparc II"),
130 CPU(3, "Texas Instruments, Inc. - SuperSparc 51"),
131 CPU(4, "Texas Instruments, Inc. - SuperSparc 61"),
132 CPU(5, "Texas Instruments, Inc. - unknown"),
133 CPU(-1, NULL)
134 },
135 .fpu_info = {
136 /* SuperSparc 50 module */
137 FPU(0, "SuperSparc on-chip FPU"),
138 /* SparcClassic */
139 FPU(4, "TI MicroSparc on chip FPU"),
140 FPU(-1, NULL)
141 }
142},{
143 5,
144 .cpu_info = {
145 CPU(0, "Matsushita - MN10501"),
146 CPU(-1, NULL)
147 },
148 .fpu_info = {
149 FPU(0, "Matsushita MN10501"),
150 FPU(-1, NULL)
151 }
152},{
153 6,
154 .cpu_info = {
155 CPU(0, "Philips Corporation - unknown"),
156 CPU(-1, NULL)
157 },
158 .fpu_info = {
159 FPU(-1, NULL)
160 }
161},{
162 7,
163 .cpu_info = {
164 CPU(0, "Harvest VLSI Design Center, Inc. - unknown"),
165 CPU(-1, NULL)
166 },
167 .fpu_info = {
168 FPU(-1, NULL)
169 }
170},{
171 8,
172 .cpu_info = {
173 CPU(0, "Systems and Processes Engineering Corporation (SPEC)"),
174 CPU(-1, NULL)
175 },
176 .fpu_info = {
177 FPU(-1, NULL)
178 }
179},{
180 9,
181 .cpu_info = {
182 /* Gallium arsenide 200MHz, BOOOOGOOOOMIPS!!! */
183 CPU(0, "Fujitsu or Weitek Power-UP"),
184 CPU(1, "Fujitsu or Weitek Power-UP"),
185 CPU(2, "Fujitsu or Weitek Power-UP"),
186 CPU(3, "Fujitsu or Weitek Power-UP"),
187 CPU(-1, NULL)
188 },
189 .fpu_info = {
190 FPU(3, "Fujitsu or Weitek on-chip FPU"),
191 FPU(-1, NULL)
192 }
193},{
194 PSR_IMPL_LEON, /* Aeroflex Gaisler */
195 .cpu_info = {
196 CPU(3, "LEON"),
197 CPU(-1, NULL)
198 },
199 .fpu_info = {
200 FPU(2, "GRFPU"),
201 FPU(3, "GRFPU-Lite"),
202 FPU(-1, NULL)
203 }
204},{
205 0x17,
206 .cpu_info = {
207 CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"),
208 CPU_PMU(0x11, "TI UltraSparc II (BlackBird)", "ultra12"),
209 CPU_PMU(0x12, "TI UltraSparc IIi (Sabre)", "ultra12"),
210 CPU_PMU(0x13, "TI UltraSparc IIe (Hummingbird)", "ultra12"),
211 CPU(-1, NULL)
212 },
213 .fpu_info = {
214 FPU(0x10, "UltraSparc I integrated FPU"),
215 FPU(0x11, "UltraSparc II integrated FPU"),
216 FPU(0x12, "UltraSparc IIi integrated FPU"),
217 FPU(0x13, "UltraSparc IIe integrated FPU"),
218 FPU(-1, NULL)
219 }
220},{
221 0x22,
222 .cpu_info = {
223 CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"),
224 CPU(-1, NULL)
225 },
226 .fpu_info = {
227 FPU(0x10, "UltraSparc I integrated FPU"),
228 FPU(-1, NULL)
229 }
230},{
231 0x3e,
232 .cpu_info = {
233 CPU_PMU(0x14, "TI UltraSparc III (Cheetah)", "ultra3"),
234 CPU_PMU(0x15, "TI UltraSparc III+ (Cheetah+)", "ultra3+"),
235 CPU_PMU(0x16, "TI UltraSparc IIIi (Jalapeno)", "ultra3i"),
236 CPU_PMU(0x18, "TI UltraSparc IV (Jaguar)", "ultra3+"),
237 CPU_PMU(0x19, "TI UltraSparc IV+ (Panther)", "ultra4+"),
238 CPU_PMU(0x22, "TI UltraSparc IIIi+ (Serrano)", "ultra3i"),
239 CPU(-1, NULL)
240 },
241 .fpu_info = {
242 FPU(0x14, "UltraSparc III integrated FPU"),
243 FPU(0x15, "UltraSparc III+ integrated FPU"),
244 FPU(0x16, "UltraSparc IIIi integrated FPU"),
245 FPU(0x18, "UltraSparc IV integrated FPU"),
246 FPU(0x19, "UltraSparc IV+ integrated FPU"),
247 FPU(0x22, "UltraSparc IIIi+ integrated FPU"),
248 FPU(-1, NULL)
249 }
250}};
251
252/* In order to get the fpu type correct, you need to take the IDPROM's
253 * machine type value into consideration too. I will fix this.
254 */
255
256static const char *sparc_cpu_type;
257static const char *sparc_fpu_type;
258const char *sparc_pmu_type;
259
260
261static void __init set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
262{
263 const struct manufacturer_info *manuf;
264 int i;
265
266 sparc_cpu_type = NULL;
267 sparc_fpu_type = NULL;
268 sparc_pmu_type = NULL;
269 manuf = NULL;
270
271 for (i = 0; i < ARRAY_SIZE(manufacturer_info); i++)
272 {
273 if (psr_impl == manufacturer_info[i].psr_impl) {
274 manuf = &manufacturer_info[i];
275 break;
276 }
277 }
278 if (manuf != NULL)
279 {
280 const struct cpu_info *cpu;
281 const struct fpu_info *fpu;
282
283 cpu = &manuf->cpu_info[0];
284 while (cpu->psr_vers != -1)
285 {
286 if (cpu->psr_vers == psr_vers) {
287 sparc_cpu_type = cpu->name;
288 sparc_pmu_type = cpu->pmu_name;
289 sparc_fpu_type = "No FPU";
290 break;
291 }
292 cpu++;
293 }
294 fpu = &manuf->fpu_info[0];
295 while (fpu->fp_vers != -1)
296 {
297 if (fpu->fp_vers == fpu_vers) {
298 sparc_fpu_type = fpu->name;
299 break;
300 }
301 fpu++;
302 }
303 }
304 if (sparc_cpu_type == NULL)
305 {
306 printk(KERN_ERR "CPU: Unknown chip, impl[0x%x] vers[0x%x]\n",
307 psr_impl, psr_vers);
308 sparc_cpu_type = "Unknown CPU";
309 }
310 if (sparc_fpu_type == NULL)
311 {
312 printk(KERN_ERR "FPU: Unknown chip, impl[0x%x] vers[0x%x]\n",
313 psr_impl, fpu_vers);
314 sparc_fpu_type = "Unknown FPU";
315 }
316 if (sparc_pmu_type == NULL)
317 sparc_pmu_type = "Unknown PMU";
318}
319
320#ifdef CONFIG_SPARC32
321static int show_cpuinfo(struct seq_file *m, void *__unused)
322{
323 seq_printf(m,
324 "cpu\t\t: %s\n"
325 "fpu\t\t: %s\n"
326 "promlib\t\t: Version %d Revision %d\n"
327 "prom\t\t: %d.%d\n"
328 "type\t\t: %s\n"
329 "ncpus probed\t: %d\n"
330 "ncpus active\t: %d\n"
331#ifndef CONFIG_SMP
332 "CPU0Bogo\t: %lu.%02lu\n"
333 "CPU0ClkTck\t: %ld\n"
334#endif
335 ,
336 sparc_cpu_type,
337 sparc_fpu_type ,
338 romvec->pv_romvers,
339 prom_rev,
340 romvec->pv_printrev >> 16,
341 romvec->pv_printrev & 0xffff,
342 &cputypval[0],
343 ncpus_probed,
344 num_online_cpus()
345#ifndef CONFIG_SMP
346 , cpu_data(0).udelay_val/(500000/HZ),
347 (cpu_data(0).udelay_val/(5000/HZ)) % 100,
348 cpu_data(0).clock_tick
349#endif
350 );
351
352#ifdef CONFIG_SMP
353 smp_bogo(m);
354#endif
355 mmu_info(m);
356#ifdef CONFIG_SMP
357 smp_info(m);
358#endif
359 return 0;
360}
361#endif /* CONFIG_SPARC32 */
362
363#ifdef CONFIG_SPARC64
364unsigned int dcache_parity_tl1_occurred;
365unsigned int icache_parity_tl1_occurred;
366
367
368static int show_cpuinfo(struct seq_file *m, void *__unused)
369{
370 seq_printf(m,
371 "cpu\t\t: %s\n"
372 "fpu\t\t: %s\n"
373 "pmu\t\t: %s\n"
374 "prom\t\t: %s\n"
375 "type\t\t: %s\n"
376 "ncpus probed\t: %d\n"
377 "ncpus active\t: %d\n"
378 "D$ parity tl1\t: %u\n"
379 "I$ parity tl1\t: %u\n"
380#ifndef CONFIG_SMP
381 "Cpu0ClkTck\t: %016lx\n"
382#endif
383 ,
384 sparc_cpu_type,
385 sparc_fpu_type,
386 sparc_pmu_type,
387 prom_version,
388 ((tlb_type == hypervisor) ?
389 "sun4v" :
390 "sun4u"),
391 ncpus_probed,
392 num_online_cpus(),
393 dcache_parity_tl1_occurred,
394 icache_parity_tl1_occurred
395#ifndef CONFIG_SMP
396 , cpu_data(0).clock_tick
397#endif
398 );
399 cpucap_info(m);
400#ifdef CONFIG_SMP
401 smp_bogo(m);
402#endif
403 mmu_info(m);
404#ifdef CONFIG_SMP
405 smp_info(m);
406#endif
407 return 0;
408}
409#endif /* CONFIG_SPARC64 */
410
411static void *c_start(struct seq_file *m, loff_t *pos)
412{
413 /* The pointer we are returning is arbitrary,
414 * it just has to be non-NULL and not IS_ERR
415 * in the success case.
416 */
417 return *pos == 0 ? &c_start : NULL;
418}
419
420static void *c_next(struct seq_file *m, void *v, loff_t *pos)
421{
422 ++*pos;
423 return c_start(m, pos);
424}
425
426static void c_stop(struct seq_file *m, void *v)
427{
428}
429
430const struct seq_operations cpuinfo_op = {
431 .start =c_start,
432 .next = c_next,
433 .stop = c_stop,
434 .show = show_cpuinfo,
435};
436
437#ifdef CONFIG_SPARC32
438static int __init cpu_type_probe(void)
439{
440 int psr_impl, psr_vers, fpu_vers;
441 int psr;
442
443 psr_impl = ((get_psr() >> PSR_IMPL_SHIFT) & PSR_IMPL_SHIFTED_MASK);
444 psr_vers = ((get_psr() >> PSR_VERS_SHIFT) & PSR_VERS_SHIFTED_MASK);
445
446 psr = get_psr();
447 put_psr(psr | PSR_EF);
448
449 if (psr_impl == PSR_IMPL_LEON)
450 fpu_vers = get_psr() & PSR_EF ? ((get_fsr() >> 17) & 0x7) : 7;
451 else
452 fpu_vers = ((get_fsr() >> 17) & 0x7);
453
454 put_psr(psr);
455
456 set_cpu_and_fpu(psr_impl, psr_vers, fpu_vers);
457
458 return 0;
459}
460#endif /* CONFIG_SPARC32 */
461
462#ifdef CONFIG_SPARC64
463static void __init sun4v_cpu_probe(void)
464{
465 switch (sun4v_chip_type) {
466 case SUN4V_CHIP_NIAGARA1:
467 sparc_cpu_type = "UltraSparc T1 (Niagara)";
468 sparc_fpu_type = "UltraSparc T1 integrated FPU";
469 sparc_pmu_type = "niagara";
470 break;
471
472 case SUN4V_CHIP_NIAGARA2:
473 sparc_cpu_type = "UltraSparc T2 (Niagara2)";
474 sparc_fpu_type = "UltraSparc T2 integrated FPU";
475 sparc_pmu_type = "niagara2";
476 break;
477
478 case SUN4V_CHIP_NIAGARA3:
479 sparc_cpu_type = "UltraSparc T3 (Niagara3)";
480 sparc_fpu_type = "UltraSparc T3 integrated FPU";
481 sparc_pmu_type = "niagara3";
482 break;
483
484 case SUN4V_CHIP_NIAGARA4:
485 sparc_cpu_type = "UltraSparc T4 (Niagara4)";
486 sparc_fpu_type = "UltraSparc T4 integrated FPU";
487 sparc_pmu_type = "niagara4";
488 break;
489
490 case SUN4V_CHIP_NIAGARA5:
491 sparc_cpu_type = "UltraSparc T5 (Niagara5)";
492 sparc_fpu_type = "UltraSparc T5 integrated FPU";
493 sparc_pmu_type = "niagara5";
494 break;
495
496 case SUN4V_CHIP_SPARC64X:
497 sparc_cpu_type = "SPARC64-X";
498 sparc_fpu_type = "SPARC64-X integrated FPU";
499 sparc_pmu_type = "sparc64-x";
500 break;
501
502 default:
503 printk(KERN_WARNING "CPU: Unknown sun4v cpu type [%s]\n",
504 prom_cpu_compatible);
505 sparc_cpu_type = "Unknown SUN4V CPU";
506 sparc_fpu_type = "Unknown SUN4V FPU";
507 sparc_pmu_type = "Unknown SUN4V PMU";
508 break;
509 }
510}
511
512static int __init cpu_type_probe(void)
513{
514 if (tlb_type == hypervisor) {
515 sun4v_cpu_probe();
516 } else {
517 unsigned long ver;
518 int manuf, impl;
519
520 __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver));
521
522 manuf = ((ver >> 48) & 0xffff);
523 impl = ((ver >> 32) & 0xffff);
524 set_cpu_and_fpu(manuf, impl, impl);
525 }
526 return 0;
527}
528#endif /* CONFIG_SPARC64 */
529
530early_initcall(cpu_type_probe);