setup.c (53c82622c2db808c015953336faecefc0ebf29bc) setup.c (11c1965687b0a472add948d4240dfe65a2fcb298)
1/*
1/*
2 * linux/arch/sh/kernel/setup.c
2 * arch/sh/kernel/setup.c
3 *
3 *
4 * This file handles the architecture-dependent parts of initialization
5 *
4 * Copyright (C) 1999 Niibe Yutaka
6 * Copyright (C) 1999 Niibe Yutaka
5 * Copyright (C) 2002, 2003 Paul Mundt
7 * Copyright (C) 2002 - 2006 Paul Mundt
6 */
8 */
7
8/*
9 * This file handles the architecture-dependent parts of initialization
10 */
11
12#include <linux/screen_info.h>
13#include <linux/ioport.h>
14#include <linux/init.h>
15#include <linux/initrd.h>
16#include <linux/bootmem.h>
17#include <linux/console.h>
18#include <linux/seq_file.h>
19#include <linux/root_dev.h>

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390 [CPU_ST40RA] = "ST40RA", [CPU_ST40GX1] = "ST40GX1",
391 [CPU_SH4_202] = "SH4-202", [CPU_SH4_501] = "SH4-501",
392 [CPU_SH7770] = "SH7770", [CPU_SH7780] = "SH7780",
393 [CPU_SH7781] = "SH7781", [CPU_SH7343] = "SH7343",
394 [CPU_SH7785] = "SH7785", [CPU_SH7722] = "SH7722",
395 [CPU_SH_NONE] = "Unknown"
396};
397
9#include <linux/screen_info.h>
10#include <linux/ioport.h>
11#include <linux/init.h>
12#include <linux/initrd.h>
13#include <linux/bootmem.h>
14#include <linux/console.h>
15#include <linux/seq_file.h>
16#include <linux/root_dev.h>

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387 [CPU_ST40RA] = "ST40RA", [CPU_ST40GX1] = "ST40GX1",
388 [CPU_SH4_202] = "SH4-202", [CPU_SH4_501] = "SH4-501",
389 [CPU_SH7770] = "SH7770", [CPU_SH7780] = "SH7780",
390 [CPU_SH7781] = "SH7781", [CPU_SH7343] = "SH7343",
391 [CPU_SH7785] = "SH7785", [CPU_SH7722] = "SH7722",
392 [CPU_SH_NONE] = "Unknown"
393};
394
398const char *get_cpu_subtype(void)
395const char *get_cpu_subtype(struct sh_cpuinfo *c)
399{
396{
400 return cpu_name[boot_cpu_data.type];
397 return cpu_name[c->type];
401}
402
403#ifdef CONFIG_PROC_FS
404/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */
405static const char *cpu_flags[] = {
406 "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr",
407 "ptea", "llsc", "l2", NULL
408};
409
398}
399
400#ifdef CONFIG_PROC_FS
401/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */
402static const char *cpu_flags[] = {
403 "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr",
404 "ptea", "llsc", "l2", NULL
405};
406
410static void show_cpuflags(struct seq_file *m)
407static void show_cpuflags(struct seq_file *m, struct sh_cpuinfo *c)
411{
412 unsigned long i;
413
414 seq_printf(m, "cpu flags\t:");
415
408{
409 unsigned long i;
410
411 seq_printf(m, "cpu flags\t:");
412
416 if (!cpu_data->flags) {
413 if (!c->flags) {
417 seq_printf(m, " %s\n", cpu_flags[0]);
418 return;
419 }
420
421 for (i = 0; cpu_flags[i]; i++)
414 seq_printf(m, " %s\n", cpu_flags[0]);
415 return;
416 }
417
418 for (i = 0; cpu_flags[i]; i++)
422 if ((cpu_data->flags & (1 << i)))
419 if ((c->flags & (1 << i)))
423 seq_printf(m, " %s", cpu_flags[i+1]);
424
425 seq_printf(m, "\n");
426}
427
428static void show_cacheinfo(struct seq_file *m, const char *type,
429 struct cache_info info)
430{

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436 type, cache_size >> 10, info.ways);
437}
438
439/*
440 * Get CPU information for use by the procfs.
441 */
442static int show_cpuinfo(struct seq_file *m, void *v)
443{
420 seq_printf(m, " %s", cpu_flags[i+1]);
421
422 seq_printf(m, "\n");
423}
424
425static void show_cacheinfo(struct seq_file *m, const char *type,
426 struct cache_info info)
427{

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433 type, cache_size >> 10, info.ways);
434}
435
436/*
437 * Get CPU information for use by the procfs.
438 */
439static int show_cpuinfo(struct seq_file *m, void *v)
440{
444 unsigned int cpu = smp_processor_id();
441 struct sh_cpuinfo *c = v;
442 unsigned int cpu = c - cpu_data;
445
443
446 if (!cpu && cpu_online(cpu))
444 if (!cpu_online(cpu))
445 return 0;
446
447 if (cpu == 0)
447 seq_printf(m, "machine\t\t: %s\n", get_system_type());
448
449 seq_printf(m, "processor\t: %d\n", cpu);
450 seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine);
448 seq_printf(m, "machine\t\t: %s\n", get_system_type());
449
450 seq_printf(m, "processor\t: %d\n", cpu);
451 seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine);
451 seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype());
452 seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype(c));
452
453
453 show_cpuflags(m);
454 show_cpuflags(m, c);
454
455 seq_printf(m, "cache type\t: ");
456
457 /*
458 * Check for what type of cache we have, we support both the
459 * unified cache on the SH-2 and SH-3, as well as the harvard
460 * style cache on the SH-4.
461 */
455
456 seq_printf(m, "cache type\t: ");
457
458 /*
459 * Check for what type of cache we have, we support both the
460 * unified cache on the SH-2 and SH-3, as well as the harvard
461 * style cache on the SH-4.
462 */
462 if (boot_cpu_data.icache.flags & SH_CACHE_COMBINED) {
463 if (c->icache.flags & SH_CACHE_COMBINED) {
463 seq_printf(m, "unified\n");
464 seq_printf(m, "unified\n");
464 show_cacheinfo(m, "cache", boot_cpu_data.icache);
465 show_cacheinfo(m, "cache", c->icache);
465 } else {
466 seq_printf(m, "split (harvard)\n");
466 } else {
467 seq_printf(m, "split (harvard)\n");
467 show_cacheinfo(m, "icache", boot_cpu_data.icache);
468 show_cacheinfo(m, "dcache", boot_cpu_data.dcache);
468 show_cacheinfo(m, "icache", c->icache);
469 show_cacheinfo(m, "dcache", c->dcache);
469 }
470
471 /* Optional secondary cache */
470 }
471
472 /* Optional secondary cache */
472 if (boot_cpu_data.flags & CPU_HAS_L2_CACHE)
473 show_cacheinfo(m, "scache", boot_cpu_data.scache);
473 if (c->flags & CPU_HAS_L2_CACHE)
474 show_cacheinfo(m, "scache", c->scache);
474
475 seq_printf(m, "bogomips\t: %lu.%02lu\n",
475
476 seq_printf(m, "bogomips\t: %lu.%02lu\n",
476 boot_cpu_data.loops_per_jiffy/(500000/HZ),
477 (boot_cpu_data.loops_per_jiffy/(5000/HZ)) % 100);
477 c->loops_per_jiffy/(500000/HZ),
478 (c->loops_per_jiffy/(5000/HZ)) % 100);
478
479 return show_clocks(m);
480}
481
482static void *c_start(struct seq_file *m, loff_t *pos)
483{
484 return *pos < NR_CPUS ? cpu_data + *pos : NULL;
485}

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480 return show_clocks(m);
481}
482
483static void *c_start(struct seq_file *m, loff_t *pos)
484{
485 return *pos < NR_CPUS ? cpu_data + *pos : NULL;
486}

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