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-rw-r--r--arch/x86/include/asm/x86_init.h133
1 files changed, 133 insertions, 0 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
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+++ b/arch/x86/include/asm/x86_init.h
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1#ifndef _ASM_X86_PLATFORM_H
2#define _ASM_X86_PLATFORM_H
3
4#include <asm/pgtable_types.h>
5#include <asm/bootparam.h>
6
7struct mpc_bus;
8struct mpc_cpu;
9struct mpc_table;
10
11/**
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
21 */
22struct 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)(unsigned int reserve);
30 void (*get_smp_config)(unsigned int early);
31};
32
33/**
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
37 * platform
38 * @memory_setup: platform specific memory setup
39 *
40 */
41struct x86_init_resources {
42 void (*probe_roms)(void);
43 void (*reserve_resources)(void);
44 char *(*memory_setup)(void);
45};
46
47/**
48 * struct x86_init_irqs - platform specific interrupt setup
49 * @pre_vector_init: init code to run before interrupt vectors
50 * are set up.
51 * @intr_init: interrupt init code
52 * @trap_init: platform specific trap setup
53 */
54struct x86_init_irqs {
55 void (*pre_vector_init)(void);
56 void (*intr_init)(void);
57 void (*trap_init)(void);
58};
59
60/**
61 * struct x86_init_oem - oem platform specific customizing functions
62 * @arch_setup: platform specific architecure setup
63 * @banner: print a platform specific banner
64 */
65struct x86_init_oem {
66 void (*arch_setup)(void);
67 void (*banner)(void);
68};
69
70/**
71 * struct x86_init_paging - platform specific paging functions
72 * @pagetable_setup_start: platform specific pre paging_init() call
73 * @pagetable_setup_done: platform specific post paging_init() call
74 */
75struct x86_init_paging {
76 void (*pagetable_setup_start)(pgd_t *base);
77 void (*pagetable_setup_done)(pgd_t *base);
78};
79
80/**
81 * struct x86_init_timers - platform specific timer setup
82 * @setup_perpcu_clockev: set up the per cpu clock event device for the
83 * boot cpu
84 * @tsc_pre_init: platform function called before TSC init
85 * @timer_init: initialize the platform timer (default PIT/HPET)
86 */
87struct x86_init_timers {
88 void (*setup_percpu_clockev)(void);
89 void (*tsc_pre_init)(void);
90 void (*timer_init)(void);
91};
92
93/**
94 * struct x86_init_ops - functions for platform specific setup
95 *
96 */
97struct x86_init_ops {
98 struct x86_init_resources resources;
99 struct x86_init_mpparse mpparse;
100 struct x86_init_irqs irqs;
101 struct x86_init_oem oem;
102 struct x86_init_paging paging;
103 struct x86_init_timers timers;
104};
105
106/**
107 * struct x86_cpuinit_ops - platform specific cpu hotplug setups
108 * @setup_percpu_clockev: set up the per cpu clock event device
109 */
110struct x86_cpuinit_ops {
111 void (*setup_percpu_clockev)(void);
112};
113
114/**
115 * struct x86_platform_ops - platform specific runtime functions
116 * @calibrate_tsc: calibrate TSC
117 * @get_wallclock: get time from HW clock like RTC etc.
118 * @set_wallclock: set time back to HW clock
119 */
120struct x86_platform_ops {
121 unsigned long (*calibrate_tsc)(void);
122 unsigned long (*get_wallclock)(void);
123 int (*set_wallclock)(unsigned long nowtime);
124};
125
126extern struct x86_init_ops x86_init;
127extern struct x86_cpuinit_ops x86_cpuinit;
128extern struct x86_platform_ops x86_platform;
129
130extern void x86_init_noop(void);
131extern void x86_init_uint_noop(unsigned int unused);
132
133#endif