1 #ifndef _ASM_X86_PLATFORM_H
2 #define _ASM_X86_PLATFORM_H
4 #include <asm/bootparam.h>
12 * struct x86_init_mpparse - platform specific mpparse ops
13 * @mpc_record: platform specific mpc record accounting
14 * @setup_ioapic_ids: platform specific ioapic id override
15 * @mpc_apic_id: platform specific mpc apic id assignment
16 * @smp_read_mpc_oem: platform specific oem mpc table setup
17 * @mpc_oem_pci_bus: platform specific pci bus setup (default NULL)
18 * @mpc_oem_bus_info: platform specific mpc bus info
19 * @find_smp_config: find the smp configuration
20 * @get_smp_config: get the smp configuration
22 struct x86_init_mpparse
{
23 void (*mpc_record
)(unsigned int mode
);
24 void (*setup_ioapic_ids
)(void);
25 int (*mpc_apic_id
)(struct mpc_cpu
*m
);
26 void (*smp_read_mpc_oem
)(struct mpc_table
*mpc
);
27 void (*mpc_oem_pci_bus
)(struct mpc_bus
*m
);
28 void (*mpc_oem_bus_info
)(struct mpc_bus
*m
, char *name
);
29 void (*find_smp_config
)(void);
30 void (*get_smp_config
)(unsigned int early
);
34 * struct x86_init_resources - platform specific resource related ops
35 * @probe_roms: probe BIOS roms
36 * @reserve_resources: reserve the standard resources for the
38 * @memory_setup: platform specific memory setup
41 struct x86_init_resources
{
42 void (*probe_roms
)(void);
43 void (*reserve_resources
)(void);
44 char *(*memory_setup
)(void);
48 * struct x86_init_irqs - platform specific interrupt setup
49 * @pre_vector_init: init code to run before interrupt vectors
51 * @intr_init: interrupt init code
52 * @trap_init: platform specific trap setup
54 struct x86_init_irqs
{
55 void (*pre_vector_init
)(void);
56 void (*intr_init
)(void);
57 void (*trap_init
)(void);
61 * struct x86_init_oem - oem platform specific customizing functions
62 * @arch_setup: platform specific architecure setup
63 * @banner: print a platform specific banner
66 void (*arch_setup
)(void);
71 * struct x86_init_paging - platform specific paging functions
72 * @pagetable_init: platform specific paging initialization call to setup
73 * the kernel pagetables and prepare accessors functions.
74 * Callback must call paging_init(). Called once after the
75 * direct mapping for phys memory is available.
77 struct x86_init_paging
{
78 void (*pagetable_init
)(void);
82 * struct x86_init_timers - platform specific timer setup
83 * @setup_perpcu_clockev: set up the per cpu clock event device for the
85 * @timer_init: initialize the platform timer (default PIT/HPET)
86 * @wallclock_init: init the wallclock device
88 struct x86_init_timers
{
89 void (*setup_percpu_clockev
)(void);
90 void (*timer_init
)(void);
91 void (*wallclock_init
)(void);
95 * struct x86_init_iommu - platform specific iommu setup
96 * @iommu_init: platform specific iommu setup
98 struct x86_init_iommu
{
99 int (*iommu_init
)(void);
103 * struct x86_init_pci - platform specific pci init functions
104 * @arch_init: platform specific pci arch init call
105 * @init: platform specific pci subsystem init
106 * @init_irq: platform specific pci irq init
107 * @fixup_irqs: platform specific pci irq fixup
109 struct x86_init_pci
{
110 int (*arch_init
)(void);
112 void (*init_irq
)(void);
113 void (*fixup_irqs
)(void);
117 * struct x86_init_ops - functions for platform specific setup
120 struct x86_init_ops
{
121 struct x86_init_resources resources
;
122 struct x86_init_mpparse mpparse
;
123 struct x86_init_irqs irqs
;
124 struct x86_init_oem oem
;
125 struct x86_init_paging paging
;
126 struct x86_init_timers timers
;
127 struct x86_init_iommu iommu
;
128 struct x86_init_pci pci
;
132 * struct x86_cpuinit_ops - platform specific cpu hotplug setups
133 * @setup_percpu_clockev: set up the per cpu clock event device
134 * @early_percpu_clock_init: early init of the per cpu clock event device
136 struct x86_cpuinit_ops
{
137 void (*setup_percpu_clockev
)(void);
138 void (*early_percpu_clock_init
)(void);
139 void (*fixup_cpu_id
)(struct cpuinfo_x86
*c
, int node
);
145 * struct x86_platform_ops - platform specific runtime functions
146 * @calibrate_tsc: calibrate TSC
147 * @get_wallclock: get time from HW clock like RTC etc.
148 * @set_wallclock: set time back to HW clock
149 * @is_untracked_pat_range exclude from PAT logic
150 * @nmi_init enable NMI on cpus
151 * @i8042_detect pre-detect if i8042 controller exists
152 * @save_sched_clock_state: save state for sched_clock() on suspend
153 * @restore_sched_clock_state: restore state for sched_clock() on resume
154 * @apic_post_init: adjust apic if neeeded
156 struct x86_platform_ops
{
157 unsigned long (*calibrate_tsc
)(void);
158 void (*get_wallclock
)(struct timespec
*ts
);
159 int (*set_wallclock
)(const struct timespec
*ts
);
160 void (*iommu_shutdown
)(void);
161 bool (*is_untracked_pat_range
)(u64 start
, u64 end
);
162 void (*nmi_init
)(void);
163 unsigned char (*get_nmi_reason
)(void);
164 int (*i8042_detect
)(void);
165 void (*save_sched_clock_state
)(void);
166 void (*restore_sched_clock_state
)(void);
167 void (*apic_post_init
)(void);
173 int (*setup_msi_irqs
)(struct pci_dev
*dev
, int nvec
, int type
);
174 void (*teardown_msi_irq
)(unsigned int irq
);
175 void (*teardown_msi_irqs
)(struct pci_dev
*dev
);
176 void (*restore_msi_irqs
)(struct pci_dev
*dev
);
179 struct x86_io_apic_ops
{
180 unsigned int (*read
) (unsigned int apic
, unsigned int reg
);
181 void (*disable
)(void);
184 extern struct x86_init_ops x86_init
;
185 extern struct x86_cpuinit_ops x86_cpuinit
;
186 extern struct x86_platform_ops x86_platform
;
187 extern struct x86_msi_ops x86_msi
;
188 extern struct x86_io_apic_ops x86_io_apic_ops
;
189 extern void x86_init_noop(void);
190 extern void x86_init_uint_noop(unsigned int unused
);