1 files changed, 216 insertions, 0 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
new file mode 100644
index 000000000..f58a9c7a3
--- /dev/null
+++ b/arch/x86/include/asm/x86_init.h
@@ -0,0 +1,216 @@
+#ifndef _ASM_X86_PLATFORM_H
+#define _ASM_X86_PLATFORM_H
+
+#include <asm/pgtable_types.h>
+#include <asm/bootparam.h>
+
+struct mpc_bus;
+struct mpc_cpu;
+struct mpc_table;
+struct cpuinfo_x86;
+
+/**
+ * struct x86_init_mpparse - platform specific mpparse ops
+ * @mpc_record:			platform specific mpc record accounting
+ * @setup_ioapic_ids:		platform specific ioapic id override
+ * @mpc_apic_id:		platform specific mpc apic id assignment
+ * @smp_read_mpc_oem:		platform specific oem mpc table setup
+ * @mpc_oem_pci_bus:		platform specific pci bus setup (default NULL)
+ * @mpc_oem_bus_info:		platform specific mpc bus info
+ * @find_smp_config:		find the smp configuration
+ * @get_smp_config:		get the smp configuration
+ */
+struct x86_init_mpparse {
+	void (*mpc_record)(unsigned int mode);
+	void (*setup_ioapic_ids)(void);
+	int (*mpc_apic_id)(struct mpc_cpu *m);
+	void (*smp_read_mpc_oem)(struct mpc_table *mpc);
+	void (*mpc_oem_pci_bus)(struct mpc_bus *m);
+	void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
+	void (*find_smp_config)(void);
+	void (*get_smp_config)(unsigned int early);
+};
+
+/**
+ * struct x86_init_resources - platform specific resource related ops
+ * @probe_roms:			probe BIOS roms
+ * @reserve_resources:		reserve the standard resources for the
+ *				platform
+ * @memory_setup:		platform specific memory setup
+ *
+ */
+struct x86_init_resources {
+	void (*probe_roms)(void);
+	void (*reserve_resources)(void);
+	char *(*memory_setup)(void);
+};
+
+/**
+ * struct x86_init_irqs - platform specific interrupt setup
+ * @pre_vector_init:		init code to run before interrupt vectors
+ *				are set up.
+ * @intr_init:			interrupt init code
+ * @trap_init:			platform specific trap setup
+ */
+struct x86_init_irqs {
+	void (*pre_vector_init)(void);
+	void (*intr_init)(void);
+	void (*trap_init)(void);
+};
+
+/**
+ * struct x86_init_oem - oem platform specific customizing functions
+ * @arch_setup:			platform specific architecure setup
+ * @banner:			print a platform specific banner
+ */
+struct x86_init_oem {
+	void (*arch_setup)(void);
+	void (*banner)(void);
+};
+
+/**
+ * struct x86_init_paging - platform specific paging functions
+ * @pagetable_init:	platform specific paging initialization call to setup
+ *			the kernel pagetables and prepare accessors functions.
+ *			Callback must call paging_init(). Called once after the
+ *			direct mapping for phys memory is available.
+ */
+struct x86_init_paging {
+	void (*pagetable_init)(void);
+};
+
+/**
+ * struct x86_init_timers - platform specific timer setup
+ * @setup_perpcu_clockev:	set up the per cpu clock event device for the
+ *				boot cpu
+ * @tsc_pre_init:		platform function called before TSC init
+ * @timer_init:			initialize the platform timer (default PIT/HPET)
+ * @wallclock_init:		init the wallclock device
+ */
+struct x86_init_timers {
+	void (*setup_percpu_clockev)(void);
+	void (*tsc_pre_init)(void);
+	void (*timer_init)(void);
+	void (*wallclock_init)(void);
+};
+
+/**
+ * struct x86_init_iommu - platform specific iommu setup
+ * @iommu_init:			platform specific iommu setup
+ */
+struct x86_init_iommu {
+	int (*iommu_init)(void);
+};
+
+/**
+ * struct x86_init_pci - platform specific pci init functions
+ * @arch_init:			platform specific pci arch init call
+ * @init:			platform specific pci subsystem init
+ * @init_irq:			platform specific pci irq init
+ * @fixup_irqs:			platform specific pci irq fixup
+ */
+struct x86_init_pci {
+	int (*arch_init)(void);
+	int (*init)(void);
+	void (*init_irq)(void);
+	void (*fixup_irqs)(void);
+};
+
+/**
+ * struct x86_init_ops - functions for platform specific setup
+ *
+ */
+struct x86_init_ops {
+	struct x86_init_resources	resources;
+	struct x86_init_mpparse		mpparse;
+	struct x86_init_irqs		irqs;
+	struct x86_init_oem		oem;
+	struct x86_init_paging		paging;
+	struct x86_init_timers		timers;
+	struct x86_init_iommu		iommu;
+	struct x86_init_pci		pci;
+};
+
+/**
+ * struct x86_cpuinit_ops - platform specific cpu hotplug setups
+ * @setup_percpu_clockev:	set up the per cpu clock event device
+ * @early_percpu_clock_init:	early init of the per cpu clock event device
+ */
+struct x86_cpuinit_ops {
+	void (*setup_percpu_clockev)(void);
+	void (*early_percpu_clock_init)(void);
+	void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node);
+};
+
+struct timespec;
+
+/**
+ * struct x86_platform_ops - platform specific runtime functions
+ * @calibrate_tsc:		calibrate TSC
+ * @get_wallclock:		get time from HW clock like RTC etc.
+ * @set_wallclock:		set time back to HW clock
+ * @is_untracked_pat_range	exclude from PAT logic
+ * @nmi_init			enable NMI on cpus
+ * @i8042_detect		pre-detect if i8042 controller exists
+ * @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
+ */
+struct x86_platform_ops {
+	unsigned long (*calibrate_tsc)(void);
+	void (*get_wallclock)(struct timespec *ts);
+	int (*set_wallclock)(const struct timespec *ts);
+	void (*iommu_shutdown)(void);
+	bool (*is_untracked_pat_range)(u64 start, u64 end);
+	void (*nmi_init)(void);
+	unsigned char (*get_nmi_reason)(void);
+	int (*i8042_detect)(void);
+	void (*save_sched_clock_state)(void);
+	void (*restore_sched_clock_state)(void);
+	void (*apic_post_init)(void);
+};
+
+struct pci_dev;
+struct msi_msg;
+
+struct x86_msi_ops {
+	int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type);
+	void (*compose_msi_msg)(struct pci_dev *dev, unsigned int irq,
+				unsigned int dest, struct msi_msg *msg,
+			       u8 hpet_id);
+	void (*teardown_msi_irq)(unsigned int irq);
+	void (*teardown_msi_irqs)(struct pci_dev *dev);
+	void (*restore_msi_irqs)(struct pci_dev *dev);
+	int  (*setup_hpet_msi)(unsigned int irq, unsigned int id);
+};
+
+struct IO_APIC_route_entry;
+struct io_apic_irq_attr;
+struct irq_data;
+struct cpumask;
+
+struct x86_io_apic_ops {
+	void		(*init)   (void);
+	unsigned int	(*read)   (unsigned int apic, unsigned int reg);
+	void		(*write)  (unsigned int apic, unsigned int reg, unsigned int value);
+	void		(*modify) (unsigned int apic, unsigned int reg, unsigned int value);
+	void		(*disable)(void);
+	void		(*print_entries)(unsigned int apic, unsigned int nr_entries);
+	int		(*set_affinity)(struct irq_data *data,
+					const struct cpumask *mask,
+					bool force);
+	int		(*setup_entry)(int irq, struct IO_APIC_route_entry *entry,
+				       unsigned int destination, int vector,
+				       struct io_apic_irq_attr *attr);
+	void		(*eoi_ioapic_pin)(int apic, int pin, int vector);
+};
+
+extern struct x86_init_ops x86_init;
+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_init_noop(void);
+extern void x86_init_uint_noop(unsigned int unused);
+
+#endif