static void fill_in_pattrs(void)
{
struct device *dev;
msr_t msr;
struct pattrs *attrs = (struct pattrs *)pattrs_get();
attrs->cpuid = cpuid_eax(1);
dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
attrs->revid = pci_read_config8(dev, REVID);
/* The revision to stepping IDs have two values per metal stepping. */
if (attrs->revid >= RID_D_STEPPING_START) {
attrs->stepping = (attrs->revid - RID_D_STEPPING_START) / 2;
attrs->stepping += STEP_D0;
} else if (attrs->revid >= RID_C_STEPPING_START) {
attrs->stepping = (attrs->revid - RID_C_STEPPING_START) / 2;
attrs->stepping += STEP_C0;
} else if (attrs->revid >= RID_B_STEPPING_START) {
attrs->stepping = (attrs->revid - RID_B_STEPPING_START) / 2;
attrs->stepping += STEP_B0;
} else {
attrs->stepping = (attrs->revid - RID_A_STEPPING_START) / 2;
attrs->stepping += STEP_A0;
}
attrs->microcode_patch = intel_microcode_find();
attrs->address_bits = cpuid_eax(0x80000008) & 0xff;
detect_num_cpus(attrs);
if (SHOW_PATTRS) {
printk(BIOS_DEBUG,
"CPUID: %08x\nCores: %d\nRevision ID: %02x\nStepping: %s\n",
attrs->cpuid, attrs->num_cpus, attrs->revid,
(attrs->stepping >= ARRAY_SIZE(stepping_str)) ? "??" :
stepping_str[attrs->stepping]);
}
fill_in_msr(&attrs->platform_id, IA32_PLATFORM_ID);
fill_in_msr(&attrs->platform_info, MSR_PLATFORM_INFO);
/* Set IA core speed ratio and voltages */
msr = rdmsr(MSR_IACORE_RATIOS);
attrs->iacore_ratios[IACORE_MIN] = msr.lo & 0x7f;
attrs->iacore_ratios[IACORE_LFM] = (msr.lo >> 8) & 0x7f;
attrs->iacore_ratios[IACORE_MAX] = (msr.lo >> 16) & 0x7f;
msr = rdmsr(MSR_IACORE_TURBO_RATIOS);
attrs->iacore_ratios[IACORE_TURBO] = (msr.lo & 0xff); /* 1 core max */
msr = rdmsr(MSR_IACORE_VIDS);
attrs->iacore_vids[IACORE_MIN] = msr.lo & 0x7f;
attrs->iacore_vids[IACORE_LFM] = (msr.lo >> 8) & 0x7f;
attrs->iacore_vids[IACORE_MAX] = (msr.lo >> 16) & 0x7f;
msr = rdmsr(MSR_IACORE_TURBO_VIDS);
attrs->iacore_vids[IACORE_TURBO] = (msr.lo & 0xff); /* 1 core max */
/* Set bus clock speed */
attrs->bclk_khz = bus_freq_khz();
}
unsigned long tsc_freq_mhz(void)
{
/* assume ratio=1 */
unsigned bclk_khz = bus_freq_khz();
if (!bclk_khz)
return 0;
return (bclk_khz * 1) / 1000;
}
unsigned long tsc_freq_mhz(void)
{
msr_t platform_info;
unsigned bclk_khz = bus_freq_khz();
if (!bclk_khz)
return 0;
platform_info = rdmsr(MSR_PLATFORM_INFO);
return (bclk_khz * ((platform_info.lo >> 8) & 0xff)) / 1000;
}
