#include <linux/cpufreq.h>
#include <linux/slab.h>
#include <linux/cpumask.h>
+#include <linux/sched.h> /* current / set_cpus_allowed() */
#include <asm/processor.h>
#include <asm/msr.h>
static int has_N44_O17_errata[NR_CPUS];
+static int has_N60_errata[NR_CPUS];
static unsigned int stock_freq;
static struct cpufreq_driver p4clockmod_driver;
static unsigned int cpufreq_p4_get(unsigned int cpu);
return speedstep_get_processor_frequency(SPEEDSTEP_PROCESSOR_PM);
}
- if ((c->x86 == 0x06) && (c->x86_model == 0x13)) {
+ if ((c->x86 == 0x06) && (c->x86_model == 0x0D)) {
/* Pentium M (Dothan) */
printk(KERN_WARNING PFX "Warning: Pentium M detected. "
"The speedstep_centrino module offers voltage scaling"
case 0x0f12:
has_N44_O17_errata[policy->cpu] = 1;
dprintk("has errata -- disabling low frequencies\n");
+ break;
+
+ case 0x0f29:
+ has_N60_errata[policy->cpu] = 1;
+ dprintk("has errata -- disabling frequencies lower than 2ghz\n");
+ break;
}
/* get max frequency */
for (i=1; (p4clockmod_table[i].frequency != CPUFREQ_TABLE_END); i++) {
if ((i<2) && (has_N44_O17_errata[policy->cpu]))
p4clockmod_table[i].frequency = CPUFREQ_ENTRY_INVALID;
+ else if (has_N60_errata[policy->cpu] && ((stock_freq * i)/8) < 2000000)
+ p4clockmod_table[i].frequency = CPUFREQ_ENTRY_INVALID;
else
p4clockmod_table[i].frequency = (stock_freq * i)/8;
}