summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/x86_init.h
blob: d8e71459f025a3c4c08225d148e67bbb895f851a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
#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 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)(unsigned int reserve);
	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_setup_start:	platform specific pre paging_init() call
 * @pagetable_setup_done:	platform specific post paging_init() call
 */
struct x86_init_paging {
	void (*pagetable_setup_start)(pgd_t *base);
	void (*pagetable_setup_done)(pgd_t *base);
};

/**
 * 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)
 */
struct x86_init_timers {
	void (*setup_percpu_clockev)(void);
	void (*tsc_pre_init)(void);
	void (*timer_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_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_cpuinit_ops - platform specific cpu hotplug setups
 * @setup_percpu_clockev:	set up the per cpu clock event device
 */
struct x86_cpuinit_ops {
	void (*setup_percpu_clockev)(void);
};

/**
 * 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
 */
struct x86_platform_ops {
	unsigned long (*calibrate_tsc)(void);
	unsigned long (*get_wallclock)(void);
	int (*set_wallclock)(unsigned long nowtime);
	void (*iommu_shutdown)(void);
};

extern struct x86_init_ops x86_init;
extern struct x86_cpuinit_ops x86_cpuinit;
extern struct x86_platform_ops x86_platform;

extern void x86_init_noop(void);
extern void x86_init_uint_noop(unsigned int unused);

#endif
OpenPOWER on IntegriCloud