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Commit cb1b8209 authored by Sam Ravnborg's avatar Sam Ravnborg Committed by David S. Miller
Browse files

sparc: consolidate show_cpuinfo in cpu.c 



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: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5eb1f4fc

arch/sparc/include/asm/pgtable_64.h

+3 −0
Original line number Diff line number Diff line
@@ -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)

arch/sparc/include/asm/smp_64.h

+4 −0
Original line number Diff line number Diff line
@@ -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);

arch/sparc/include/asm/system_64.h

+0 −4
Original line number Diff line number Diff line
@@ -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

arch/sparc/kernel/cpu.c

+124 −3
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ 
 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)

 */



#include <linux/seq_file.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/init.h>
@@ -11,7 +12,9 @@ 
#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>
@@ -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;
@@ -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)

{
@@ -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)

{

arch/sparc/kernel/kernel.h

+1 −3
Original line number Diff line number Diff line
@@ -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 */