diff options
Diffstat (limited to 'arch/x86/include/asm/x86_init.h')
| -rw-r--r-- | arch/x86/include/asm/x86_init.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index 1ae89a2721d6..8bb8c1a4615a 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -142,6 +142,15 @@ struct x86_cpuinit_ops { struct timespec; /** + * struct x86_legacy_features - legacy x86 features + * + * @rtc: this device has a CMOS real-time clock present + */ +struct x86_legacy_features { + int rtc; +}; + +/** * struct x86_platform_ops - platform specific runtime functions * @calibrate_tsc: calibrate TSC * @get_wallclock: get time from HW clock like RTC etc. @@ -152,6 +161,14 @@ struct timespec; * @save_sched_clock_state: save state for sched_clock() on suspend * @restore_sched_clock_state: restore state for sched_clock() on resume * @apic_post_init: adjust apic if neeeded + * @legacy: legacy features + * @set_legacy_features: override legacy features. Use of this callback + * is highly discouraged. You should only need + * this if your hardware platform requires further + * custom fine tuning far beyong what may be + * possible in x86_early_init_platform_quirks() by + * only using the current x86_hardware_subarch + * semantics. */ struct x86_platform_ops { unsigned long (*calibrate_tsc)(void); @@ -165,6 +182,8 @@ struct x86_platform_ops { void (*save_sched_clock_state)(void); void (*restore_sched_clock_state)(void); void (*apic_post_init)(void); + struct x86_legacy_features legacy; + void (*set_legacy_features)(void); }; struct pci_dev; @@ -186,6 +205,8 @@ extern struct x86_cpuinit_ops x86_cpuinit; extern struct x86_platform_ops x86_platform; extern struct x86_msi_ops x86_msi; extern struct x86_io_apic_ops x86_io_apic_ops; + +extern void x86_early_init_platform_quirks(void); extern void x86_init_noop(void); extern void x86_init_uint_noop(unsigned int unused); |