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sparc: consolidate show_cpuinfo in cpu.c
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We have all the cpu related info in cpu.c - so move
the remaining functions to support /proc/cpuinfo to this file.

Signed-off-by: Sam Ravnborg <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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sravnborg authored and davem330 committed Apr 21, 2011
1 parent 5eb1f4f commit cb1b820
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Showing 8 changed files with 133 additions and 157 deletions.
3 changes: 3 additions & 0 deletions arch/sparc/include/asm/pgtable_64.h
Original file line number Diff line number Diff line change
Expand Up @@ -699,6 +699,9 @@ extern pmd_t swapper_low_pmd_dir[2048];
extern void paging_init(void);
extern unsigned long find_ecache_flush_span(unsigned long size);

struct seq_file;
extern void mmu_info(struct seq_file *);

/* These do nothing with the way I have things setup. */
#define mmu_lockarea(vaddr, len) (vaddr)
#define mmu_unlockarea(vaddr, len) do { } while(0)
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4 changes: 4 additions & 0 deletions arch/sparc/include/asm/smp_64.h
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,10 @@ extern void cpu_play_dead(void);

extern void smp_fetch_global_regs(void);

struct seq_file;
void smp_bogo(struct seq_file *);
void smp_info(struct seq_file *);

#ifdef CONFIG_HOTPLUG_CPU
extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
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4 changes: 0 additions & 4 deletions arch/sparc/include/asm/system_64.h
Original file line number Diff line number Diff line change
Expand Up @@ -29,10 +29,6 @@ enum sparc_cpu {
/* This cannot ever be a sun4c :) That's just history. */
#define ARCH_SUN4C 0

extern const char *sparc_cpu_type;
extern const char *sparc_fpu_type;
extern const char *sparc_pmu_type;

extern char reboot_command[];

/* These are here in an effort to more fully work around Spitfire Errata
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127 changes: 124 additions & 3 deletions arch/sparc/kernel/cpu.c
Original file line number Diff line number Diff line change
Expand Up @@ -4,14 +4,17 @@
* Copyright (C) 1996 David S. Miller ([email protected])
*/

#include <linux/seq_file.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/threads.h>

#include <asm/spitfire.h>
#include <asm/pgtable.h>
#include <asm/oplib.h>
#include <asm/setup.h>
#include <asm/page.h>
#include <asm/head.h>
#include <asm/psr.h>
Expand All @@ -23,6 +26,9 @@
DEFINE_PER_CPU(cpuinfo_sparc, __cpu_data) = { 0 };
EXPORT_PER_CPU_SYMBOL(__cpu_data);

int ncpus_probed;
unsigned int fsr_storage;

struct cpu_info {
int psr_vers;
const char *name;
Expand Down Expand Up @@ -247,11 +253,10 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
* machine type value into consideration too. I will fix this.
*/

const char *sparc_cpu_type;
const char *sparc_fpu_type;
static const char *sparc_cpu_type;
static const char *sparc_fpu_type;
const char *sparc_pmu_type;

unsigned int fsr_storage;

static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
{
Expand Down Expand Up @@ -312,6 +317,122 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
sparc_pmu_type = "Unknown PMU";
}

#ifdef CONFIG_SPARC32
static int show_cpuinfo(struct seq_file *m, void *__unused)
{
seq_printf(m,
"cpu\t\t: %s\n"
"fpu\t\t: %s\n"
"promlib\t\t: Version %d Revision %d\n"
"prom\t\t: %d.%d\n"
"type\t\t: %s\n"
"ncpus probed\t: %d\n"
"ncpus active\t: %d\n"
#ifndef CONFIG_SMP
"CPU0Bogo\t: %lu.%02lu\n"
"CPU0ClkTck\t: %ld\n"
#endif
,
sparc_cpu_type,
sparc_fpu_type ,
romvec->pv_romvers,
prom_rev,
romvec->pv_printrev >> 16,
romvec->pv_printrev & 0xffff,
&cputypval[0],
ncpus_probed,
num_online_cpus()
#ifndef CONFIG_SMP
, cpu_data(0).udelay_val/(500000/HZ),
(cpu_data(0).udelay_val/(5000/HZ)) % 100,
cpu_data(0).clock_tick
#endif
);

#ifdef CONFIG_SMP
smp_bogo(m);
#endif
mmu_info(m);
#ifdef CONFIG_SMP
smp_info(m);
#endif
return 0;
}
#endif /* CONFIG_SPARC32 */

#ifdef CONFIG_SPARC64
unsigned int dcache_parity_tl1_occurred;
unsigned int icache_parity_tl1_occurred;


static int show_cpuinfo(struct seq_file *m, void *__unused)
{
seq_printf(m,
"cpu\t\t: %s\n"
"fpu\t\t: %s\n"
"pmu\t\t: %s\n"
"prom\t\t: %s\n"
"type\t\t: %s\n"
"ncpus probed\t: %d\n"
"ncpus active\t: %d\n"
"D$ parity tl1\t: %u\n"
"I$ parity tl1\t: %u\n"
#ifndef CONFIG_SMP
"Cpu0ClkTck\t: %016lx\n"
#endif
,
sparc_cpu_type,
sparc_fpu_type,
sparc_pmu_type,
prom_version,
((tlb_type == hypervisor) ?
"sun4v" :
"sun4u"),
ncpus_probed,
num_online_cpus(),
dcache_parity_tl1_occurred,
icache_parity_tl1_occurred
#ifndef CONFIG_SMP
, cpu_data(0).clock_tick
#endif
);
#ifdef CONFIG_SMP
smp_bogo(m);
#endif
mmu_info(m);
#ifdef CONFIG_SMP
smp_info(m);
#endif
return 0;
}
#endif /* CONFIG_SPARC64 */

static void *c_start(struct seq_file *m, loff_t *pos)
{
/* The pointer we are returning is arbitrary,
* it just has to be non-NULL and not IS_ERR
* in the success case.
*/
return *pos == 0 ? &c_start : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
++*pos;
return c_start(m, pos);
}

static void c_stop(struct seq_file *m, void *v)
{
}

const struct seq_operations cpuinfo_op = {
.start =c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo,
};

#ifdef CONFIG_SPARC32
void __cpuinit cpu_probe(void)
{
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4 changes: 1 addition & 3 deletions arch/sparc/kernel/kernel.h
Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,9 @@
#include <asm/traps.h>

/* cpu.c */
extern const char *sparc_cpu_type;
extern const char *sparc_pmu_type;
extern const char *sparc_fpu_type;

extern unsigned int fsr_storage;
extern int ncpus_probed;

#ifdef CONFIG_SPARC32
/* cpu.c */
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1 change: 1 addition & 0 deletions arch/sparc/kernel/perf_event.c
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
#include <asm/nmi.h>
#include <asm/pcr.h>

#include "kernel.h"
#include "kstack.h"

/* Sparc64 chips have two performance counters, 32-bits each, with
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69 changes: 0 additions & 69 deletions arch/sparc/kernel/setup_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -311,75 +311,6 @@ void __init setup_arch(char **cmdline_p)
smp_setup_cpu_possible_map();
}

static int ncpus_probed;

static int show_cpuinfo(struct seq_file *m, void *__unused)
{
seq_printf(m,
"cpu\t\t: %s\n"
"fpu\t\t: %s\n"
"promlib\t\t: Version %d Revision %d\n"
"prom\t\t: %d.%d\n"
"type\t\t: %s\n"
"ncpus probed\t: %d\n"
"ncpus active\t: %d\n"
#ifndef CONFIG_SMP
"CPU0Bogo\t: %lu.%02lu\n"
"CPU0ClkTck\t: %ld\n"
#endif
,
sparc_cpu_type,
sparc_fpu_type ,
romvec->pv_romvers,
prom_rev,
romvec->pv_printrev >> 16,
romvec->pv_printrev & 0xffff,
&cputypval[0],
ncpus_probed,
num_online_cpus()
#ifndef CONFIG_SMP
, cpu_data(0).udelay_val/(500000/HZ),
(cpu_data(0).udelay_val/(5000/HZ)) % 100,
cpu_data(0).clock_tick
#endif
);

#ifdef CONFIG_SMP
smp_bogo(m);
#endif
mmu_info(m);
#ifdef CONFIG_SMP
smp_info(m);
#endif
return 0;
}

static void *c_start(struct seq_file *m, loff_t *pos)
{
/* The pointer we are returning is arbitrary,
* it just has to be non-NULL and not IS_ERR
* in the success case.
*/
return *pos == 0 ? &c_start : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
++*pos;
return c_start(m, pos);
}

static void c_stop(struct seq_file *m, void *v)
{
}

const struct seq_operations cpuinfo_op = {
.start =c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo,
};

extern int stop_a_enabled;

void sun_do_break(void)
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78 changes: 0 additions & 78 deletions arch/sparc/kernel/setup_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -339,84 +339,6 @@ void __init setup_arch(char **cmdline_p)
paging_init();
}

/* BUFFER is PAGE_SIZE bytes long. */

extern void smp_info(struct seq_file *);
extern void smp_bogo(struct seq_file *);
extern void mmu_info(struct seq_file *);

unsigned int dcache_parity_tl1_occurred;
unsigned int icache_parity_tl1_occurred;

int ncpus_probed;

static int show_cpuinfo(struct seq_file *m, void *__unused)
{
seq_printf(m,
"cpu\t\t: %s\n"
"fpu\t\t: %s\n"
"pmu\t\t: %s\n"
"prom\t\t: %s\n"
"type\t\t: %s\n"
"ncpus probed\t: %d\n"
"ncpus active\t: %d\n"
"D$ parity tl1\t: %u\n"
"I$ parity tl1\t: %u\n"
#ifndef CONFIG_SMP
"Cpu0ClkTck\t: %016lx\n"
#endif
,
sparc_cpu_type,
sparc_fpu_type,
sparc_pmu_type,
prom_version,
((tlb_type == hypervisor) ?
"sun4v" :
"sun4u"),
ncpus_probed,
num_online_cpus(),
dcache_parity_tl1_occurred,
icache_parity_tl1_occurred
#ifndef CONFIG_SMP
, cpu_data(0).clock_tick
#endif
);
#ifdef CONFIG_SMP
smp_bogo(m);
#endif
mmu_info(m);
#ifdef CONFIG_SMP
smp_info(m);
#endif
return 0;
}

static void *c_start(struct seq_file *m, loff_t *pos)
{
/* The pointer we are returning is arbitrary,
* it just has to be non-NULL and not IS_ERR
* in the success case.
*/
return *pos == 0 ? &c_start : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
++*pos;
return c_start(m, pos);
}

static void c_stop(struct seq_file *m, void *v)
{
}

const struct seq_operations cpuinfo_op = {
.start =c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo,
};

extern int stop_a_enabled;

void sun_do_break(void)
Expand Down

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