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Diffstat (limited to 'arch/x86/platform/mrst/mrst.c')
-rw-r--r--arch/x86/platform/mrst/mrst.c70
1 files changed, 30 insertions, 40 deletions
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 475e2cd0f3c..721e65285dc 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -78,16 +78,11 @@ int sfi_mrtc_num;
static void mrst_power_off(void)
{
- if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT)
- intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 1);
}
static void mrst_reboot(void)
{
- if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT)
- intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 0);
- else
- intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
+ intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
}
/* parse all the mtimer info to a static mtimer array */
@@ -200,34 +195,28 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table)
static unsigned long __init mrst_calibrate_tsc(void)
{
- unsigned long flags, fast_calibrate;
- if (__mrst_cpu_chip == MRST_CPU_CHIP_PENWELL) {
- u32 lo, hi, ratio, fsb;
-
- rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
- pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi);
- ratio = (hi >> 8) & 0x1f;
- pr_debug("ratio is %d\n", ratio);
- if (!ratio) {
- pr_err("read a zero ratio, should be incorrect!\n");
- pr_err("force tsc ratio to 16 ...\n");
- ratio = 16;
- }
- rdmsr(MSR_FSB_FREQ, lo, hi);
- if ((lo & 0x7) == 0x7)
- fsb = PENWELL_FSB_FREQ_83SKU;
- else
- fsb = PENWELL_FSB_FREQ_100SKU;
- fast_calibrate = ratio * fsb;
- pr_debug("read penwell tsc %lu khz\n", fast_calibrate);
- lapic_timer_frequency = fsb * 1000 / HZ;
- /* mark tsc clocksource as reliable */
- set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE);
- } else {
- local_irq_save(flags);
- fast_calibrate = apbt_quick_calibrate();
- local_irq_restore(flags);
+ unsigned long fast_calibrate;
+ u32 lo, hi, ratio, fsb;
+
+ rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
+ pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi);
+ ratio = (hi >> 8) & 0x1f;
+ pr_debug("ratio is %d\n", ratio);
+ if (!ratio) {
+ pr_err("read a zero ratio, should be incorrect!\n");
+ pr_err("force tsc ratio to 16 ...\n");
+ ratio = 16;
}
+ rdmsr(MSR_FSB_FREQ, lo, hi);
+ if ((lo & 0x7) == 0x7)
+ fsb = PENWELL_FSB_FREQ_83SKU;
+ else
+ fsb = PENWELL_FSB_FREQ_100SKU;
+ fast_calibrate = ratio * fsb;
+ pr_debug("read penwell tsc %lu khz\n", fast_calibrate);
+ lapic_timer_frequency = fsb * 1000 / HZ;
+ /* mark tsc clocksource as reliable */
+ set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE);
if (fast_calibrate)
return fast_calibrate;
@@ -261,16 +250,11 @@ static void __cpuinit mrst_arch_setup(void)
{
if (boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model == 0x27)
__mrst_cpu_chip = MRST_CPU_CHIP_PENWELL;
- else if (boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model == 0x26)
- __mrst_cpu_chip = MRST_CPU_CHIP_LINCROFT;
else {
- pr_err("Unknown Moorestown CPU (%d:%d), default to Lincroft\n",
+ pr_err("Unknown Intel MID CPU (%d:%d), default to Penwell\n",
boot_cpu_data.x86, boot_cpu_data.x86_model);
- __mrst_cpu_chip = MRST_CPU_CHIP_LINCROFT;
+ __mrst_cpu_chip = MRST_CPU_CHIP_PENWELL;
}
- pr_debug("Moorestown CPU %s identified\n",
- (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT) ?
- "Lincroft" : "Penwell");
}
/* MID systems don't have i8042 controller */
@@ -686,6 +670,11 @@ static void *msic_ocd_platform_data(void *info)
return msic_generic_platform_data(info, INTEL_MSIC_BLOCK_OCD);
}
+static void *msic_thermal_platform_data(void *info)
+{
+ return msic_generic_platform_data(info, INTEL_MSIC_BLOCK_THERMAL);
+}
+
static const struct devs_id __initconst device_ids[] = {
{"bma023", SFI_DEV_TYPE_I2C, 1, &no_platform_data},
{"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data},
@@ -705,6 +694,7 @@ static const struct devs_id __initconst device_ids[] = {
{"msic_audio", SFI_DEV_TYPE_IPC, 1, &msic_audio_platform_data},
{"msic_power_btn", SFI_DEV_TYPE_IPC, 1, &msic_power_btn_platform_data},
{"msic_ocd", SFI_DEV_TYPE_IPC, 1, &msic_ocd_platform_data},
+ {"msic_thermal", SFI_DEV_TYPE_IPC, 1, &msic_thermal_platform_data},
{},
};