"D$ parity tl1\t: %u\n"
"I$ parity tl1\t: %u\n"
#ifndef CONFIG_SMP
- "Cpu0Bogo\t: %lu.%02lu\n"
"Cpu0ClkTck\t: %016lx\n"
#endif
,
dcache_parity_tl1_occurred,
icache_parity_tl1_occurred
#ifndef CONFIG_SMP
- , cpu_data(0).udelay_val/(500000/HZ),
- (cpu_data(0).udelay_val/(5000/HZ)) % 100,
cpu_data(0).clock_tick
#endif
);
int sparc64_multi_core __read_mostly;
-/* Please don't make this stuff initdata!!! --DaveM */
-unsigned char boot_cpu_id;
-
cpumask_t cpu_possible_map __read_mostly = CPU_MASK_NONE;
cpumask_t cpu_online_map __read_mostly = CPU_MASK_NONE;
cpumask_t cpu_sibling_map[NR_CPUS] __read_mostly =
for_each_online_cpu(i)
seq_printf(m,
- "Cpu%dBogo\t: %lu.%02lu\n"
"Cpu%dClkTck\t: %016lx\n",
- i, cpu_data(i).udelay_val / (500000/HZ),
- (cpu_data(i).udelay_val / (5000/HZ)) % 100,
i, cpu_data(i).clock_tick);
}
local_irq_enable();
- calibrate_delay();
- cpu_data(cpuid).udelay_val = loops_per_jiffy;
callin_flag = 1;
__asm__ __volatile__("membar #Sync\n\t"
"flush %%g6" : : : "memory");
preempt_enable();
}
-void __init smp_tick_init(void)
-{
- boot_cpu_id = hard_smp_processor_id();
-}
-
/* /proc/profile writes can call this, don't __init it please. */
int setup_profiling_timer(unsigned int multiplier)
{
void __init smp_prepare_cpus(unsigned int max_cpus)
{
- cpu_data(boot_cpu_id).udelay_val = loops_per_jiffy;
}
void __devinit smp_prepare_boot_cpu(void)
void __init smp_cpus_done(unsigned int max_cpus)
{
- unsigned long bogosum = 0;
- int i;
-
- for_each_online_cpu(i)
- bogosum += cpu_data(i).udelay_val;
- printk("Total of %ld processors activated "
- "(%lu.%02lu BogoMIPS).\n",
- (long) num_online_cpus(),
- bogosum/(500000/HZ),
- (bogosum/(5000/HZ))%100);
}
void smp_send_reschedule(int cpu)
-/* $Id: sparc64_ksyms.c,v 1.121 2002/02/09 19:49:31 davem Exp $
- * arch/sparc64/kernel/sparc64_ksyms.c: Sparc64 specific ksyms support.
+/* arch/sparc64/kernel/sparc64_ksyms.c: Sparc64 specific ksyms support.
*
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
* Copyright (C) 1999 Jakub Jelinek (jj@ultra.linux.cz)
*/
#include <net/compat.h>
#include <asm/oplib.h>
-#include <asm/delay.h>
#include <asm/system.h>
#include <asm/auxio.h>
#include <asm/pgtable.h>
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(strncmp);
-/* Delay routines. */
-EXPORT_SYMBOL(__udelay);
-EXPORT_SYMBOL(__ndelay);
-EXPORT_SYMBOL(__const_udelay);
-EXPORT_SYMBOL(__delay);
-
void VISenter(void);
/* RAID code needs this */
EXPORT_SYMBOL(VISenter);
}
SHOW_CPUDATA_ULONG_NAME(clock_tick, clock_tick);
-SHOW_CPUDATA_ULONG_NAME(udelay_val, udelay_val);
SHOW_CPUDATA_UINT_NAME(l1_dcache_size, dcache_size);
SHOW_CPUDATA_UINT_NAME(l1_dcache_line_size, dcache_line_size);
SHOW_CPUDATA_UINT_NAME(l1_icache_size, icache_size);
static struct sysdev_attribute cpu_core_attrs[] = {
_SYSDEV_ATTR(clock_tick, 0444, show_clock_tick, NULL),
- _SYSDEV_ATTR(udelay_val, 0444, show_udelay_val, NULL),
_SYSDEV_ATTR(l1_dcache_size, 0444, show_l1_dcache_size, NULL),
_SYSDEV_ATTR(l1_dcache_line_size, 0444, show_l1_dcache_line_size, NULL),
_SYSDEV_ATTR(l1_icache_size, 0444, show_l1_icache_size, NULL),
{
struct device_node *dp;
unsigned long clock;
-#ifdef CONFIG_SMP
- extern void smp_tick_init(void);
-#endif
dp = of_find_node_by_path("/");
if (tlb_type == spitfire) {
clock = of_getintprop_default(dp, "stick-frequency", 0);
}
-#ifdef CONFIG_SMP
- smp_tick_init();
-#endif
-
return clock;
}
sparc64_clockevent.mult = mult;
}
+static unsigned long tb_ticks_per_usec __read_mostly;
+
+void __delay(unsigned long loops)
+{
+ unsigned long bclock, now;
+
+ bclock = tick_ops->get_tick();
+ do {
+ now = tick_ops->get_tick();
+ } while ((now-bclock) < loops);
+}
+EXPORT_SYMBOL(__delay);
+
+void udelay(unsigned long usecs)
+{
+ __delay(tb_ticks_per_usec * usecs);
+}
+EXPORT_SYMBOL(udelay);
+
void __init time_init(void)
{
unsigned long clock = sparc64_init_timers();
+ tb_ticks_per_usec = clock / USEC_PER_SEC;
+
timer_ticks_per_nsec_quotient =
clocksource_hz2mult(clock, SPARC64_NSEC_PER_CYC_SHIFT);
NGmemcpy.o NGcopy_from_user.o NGcopy_to_user.o NGpatch.o \
NGpage.o NGbzero.o \
copy_in_user.o user_fixup.o memmove.o \
- mcount.o ipcsum.o rwsem.o xor.o delay.o
+ mcount.o ipcsum.o rwsem.o xor.o
obj-y += iomap.o
+++ /dev/null
-/* delay.c: Delay loops for sparc64
- *
- * Copyright (C) 2004, 2006 David S. Miller <davem@davemloft.net>
- *
- * Based heavily upon x86 variant which is:
- * Copyright (C) 1993 Linus Torvalds
- * Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
- */
-
-#include <linux/delay.h>
-#include <asm/timer.h>
-
-void __delay(unsigned long loops)
-{
- unsigned long bclock, now;
-
- bclock = tick_ops->get_tick();
- do {
- now = tick_ops->get_tick();
- } while ((now-bclock) < loops);
-}
-
-/* We used to multiply by HZ after shifting down by 32 bits
- * but that runs into problems for higher values of HZ and
- * slow cpus.
- */
-void __const_udelay(unsigned long n)
-{
- n *= 4;
-
- n *= (cpu_data(raw_smp_processor_id()).udelay_val * (HZ/4));
- n >>= 32;
-
- __delay(n + 1);
-}
-
-void __udelay(unsigned long n)
-{
- __const_udelay(n * 0x10c7UL);
-}
-
-
-void __ndelay(unsigned long n)
-{
- __const_udelay(n * 0x5UL);
-}
*/
#include <asm/sstate.h>
-extern unsigned long loops_per_jiffy;
-
static void __init check_bugs(void)
{
-#ifndef CONFIG_SMP
- cpu_data(0).udelay_val = loops_per_jiffy;
-#endif
sstate_running();
}
unsigned int __softirq_pending; /* must be 1st, see rtrap.S */
unsigned int __pad0;
unsigned long clock_tick; /* %tick's per second */
- unsigned long udelay_val;
+ unsigned long __pad;
unsigned int __pad1;
unsigned int __pad2;
/* delay.h: Linux delay routines on sparc64.
*
- * Copyright (C) 1996, 2004 David S. Miller (davem@davemloft.net).
- *
- * Based heavily upon x86 variant which is:
- * Copyright (C) 1993 Linus Torvalds
- *
- * Delay routines calling functions in arch/sparc64/lib/delay.c
+ * Copyright (C) 1996, 2004, 2007 David S. Miller (davem@davemloft.net).
*/
-#ifndef __SPARC64_DELAY_H
-#define __SPARC64_DELAY_H
-
-#include <linux/param.h>
-#include <asm/cpudata.h>
+#ifndef _SPARC64_DELAY_H
+#define _SPARC64_DELAY_H
#ifndef __ASSEMBLY__
-extern void __bad_udelay(void);
-extern void __bad_ndelay(void);
-
-extern void __udelay(unsigned long usecs);
-extern void __ndelay(unsigned long nsecs);
-extern void __const_udelay(unsigned long usecs);
extern void __delay(unsigned long loops);
-
-#define udelay(n) (__builtin_constant_p(n) ? \
- ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
- __udelay(n))
-
-#define ndelay(n) (__builtin_constant_p(n) ? \
- ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
- __ndelay(n))
+extern void udelay(unsigned long usecs);
+#define mdelay(n) udelay((n) * 1000)
#endif /* !__ASSEMBLY__ */
-#endif /* defined(__SPARC64_DELAY_H) */
+#endif /* _SPARC64_DELAY_H */
projects / linux-2.6 / commitdiff