diff options
| -rw-r--r-- | arch/i386/kernel/cpu/cpufreq/speedstep-lib.c | 17 | ||||
| -rw-r--r-- | include/asm-x86_64/msr.h | 1 |
2 files changed, 8 insertions, 10 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c index a709f6d67e25..d59277c00911 100644 --- a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c +++ b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c @@ -123,23 +123,22 @@ static unsigned int pentiumM_get_frequency(void) return (msr_tmp * 100 * 1000); } -#ifdef CONFIG_X86_32 static unsigned int pentium_core_get_frequency(void) { u32 fsb = 0; u32 msr_lo, msr_tmp; rdmsr(MSR_FSB_FREQ, msr_lo, msr_tmp); - /* see table B-2 of 24547212.pdf */ + /* see table B-2 of 25366920.pdf */ switch (msr_lo & 0x07) { case 5: - fsb = 400; + fsb = 100000; break; case 1: - fsb = 533; + fsb = 133333; break; case 3: - fsb = 667; + fsb = 166667; break; default: printk(KERN_ERR "PCORE - MSR_FSB_FREQ undefined value"); @@ -149,11 +148,11 @@ static unsigned int pentium_core_get_frequency(void) dprintk("PCORE - MSR_IA32_EBL_CR_POWERON: 0x%x 0x%x\n", msr_lo, msr_tmp); msr_tmp = (msr_lo >> 22) & 0x1f; - dprintk("bits 22-26 are 0x%x, speed is %u\n", msr_tmp, (msr_tmp * fsb * 1000)); + dprintk("bits 22-26 are 0x%x, speed is %u\n", msr_tmp, (msr_tmp * fsb)); - return (msr_tmp * fsb * 1000); + return (msr_tmp * fsb); } -#endif + static unsigned int pentium4_get_frequency(void) { @@ -205,10 +204,8 @@ static unsigned int pentium4_get_frequency(void) unsigned int speedstep_get_processor_frequency(unsigned int processor) { switch (processor) { -#ifdef CONFIG_X86_32 case SPEEDSTEP_PROCESSOR_PCORE: return pentium_core_get_frequency(); -#endif case SPEEDSTEP_PROCESSOR_PM: return pentiumM_get_frequency(); case SPEEDSTEP_PROCESSOR_P4D: diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h index e61582288737..207fed998a0b 100644 --- a/include/asm-x86_64/msr.h +++ b/include/asm-x86_64/msr.h @@ -189,6 +189,7 @@ static inline unsigned int cpuid_edx(unsigned int op) #define MSR_IA32_PERFCTR0 0xc1 #define MSR_IA32_PERFCTR1 0xc2 +#define MSR_FSB_FREQ 0xcd #define MSR_MTRRcap 0x0fe #define MSR_IA32_BBL_CR_CTL 0x119 |