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57844a8f TG |
1 | #ifndef _ASM_X86_PLATFORM_H |
2 | #define _ASM_X86_PLATFORM_H | |
3 | ||
47a3d5da | 4 | #include <asm/bootparam.h> |
030cb6c0 | 5 | |
52fdb568 | 6 | struct mpc_bus; |
fd6c6661 | 7 | struct mpc_cpu; |
72302142 | 8 | struct mpc_table; |
64be4c1c | 9 | struct cpuinfo_x86; |
fd6c6661 | 10 | |
f4848472 TG |
11 | /** |
12 | * struct x86_init_mpparse - platform specific mpparse ops | |
13 | * @mpc_record: platform specific mpc record accounting | |
de934103 | 14 | * @setup_ioapic_ids: platform specific ioapic id override |
fd6c6661 | 15 | * @mpc_apic_id: platform specific mpc apic id assignment |
72302142 | 16 | * @smp_read_mpc_oem: platform specific oem mpc table setup |
52fdb568 | 17 | * @mpc_oem_pci_bus: platform specific pci bus setup (default NULL) |
90e1c696 | 18 | * @mpc_oem_bus_info: platform specific mpc bus info |
b3f1b617 TG |
19 | * @find_smp_config: find the smp configuration |
20 | * @get_smp_config: get the smp configuration | |
f4848472 TG |
21 | */ |
22 | struct x86_init_mpparse { | |
23 | void (*mpc_record)(unsigned int mode); | |
de934103 | 24 | void (*setup_ioapic_ids)(void); |
fd6c6661 | 25 | int (*mpc_apic_id)(struct mpc_cpu *m); |
72302142 | 26 | void (*smp_read_mpc_oem)(struct mpc_table *mpc); |
52fdb568 | 27 | void (*mpc_oem_pci_bus)(struct mpc_bus *m); |
90e1c696 | 28 | void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name); |
b24c2a92 | 29 | void (*find_smp_config)(void); |
b3f1b617 | 30 | void (*get_smp_config)(unsigned int early); |
f4848472 TG |
31 | }; |
32 | ||
f7cf5a5b TG |
33 | /** |
34 | * struct x86_init_resources - platform specific resource related ops | |
35 | * @probe_roms: probe BIOS roms | |
8fee697d TG |
36 | * @reserve_resources: reserve the standard resources for the |
37 | * platform | |
6b18ae3e | 38 | * @memory_setup: platform specific memory setup |
f7cf5a5b TG |
39 | * |
40 | */ | |
41 | struct x86_init_resources { | |
42 | void (*probe_roms)(void); | |
8fee697d | 43 | void (*reserve_resources)(void); |
6b18ae3e | 44 | char *(*memory_setup)(void); |
f7cf5a5b TG |
45 | }; |
46 | ||
d9112f43 TG |
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. | |
66bcaf0b | 51 | * @intr_init: interrupt init code |
428cf902 | 52 | * @trap_init: platform specific trap setup |
d9112f43 TG |
53 | */ |
54 | struct x86_init_irqs { | |
55 | void (*pre_vector_init)(void); | |
66bcaf0b | 56 | void (*intr_init)(void); |
428cf902 | 57 | void (*trap_init)(void); |
d9112f43 TG |
58 | }; |
59 | ||
42bbdb43 TG |
60 | /** |
61 | * struct x86_init_oem - oem platform specific customizing functions | |
22d3c0d6 | 62 | * @arch_setup: platform specific architecture setup |
6f30c1ac | 63 | * @banner: print a platform specific banner |
42bbdb43 TG |
64 | */ |
65 | struct x86_init_oem { | |
66 | void (*arch_setup)(void); | |
6f30c1ac | 67 | void (*banner)(void); |
42bbdb43 TG |
68 | }; |
69 | ||
030cb6c0 TG |
70 | /** |
71 | * struct x86_init_paging - platform specific paging functions | |
64282278 AR |
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. | |
030cb6c0 TG |
76 | */ |
77 | struct x86_init_paging { | |
7737b215 | 78 | void (*pagetable_init)(void); |
030cb6c0 TG |
79 | }; |
80 | ||
736decac TG |
81 | /** |
82 | * struct x86_init_timers - platform specific timer setup | |
83 | * @setup_perpcu_clockev: set up the per cpu clock event device for the | |
84 | * boot cpu | |
845b3944 | 85 | * @timer_init: initialize the platform timer (default PIT/HPET) |
6b617e22 | 86 | * @wallclock_init: init the wallclock device |
736decac TG |
87 | */ |
88 | struct x86_init_timers { | |
89 | void (*setup_percpu_clockev)(void); | |
845b3944 | 90 | void (*timer_init)(void); |
6b617e22 | 91 | void (*wallclock_init)(void); |
736decac TG |
92 | }; |
93 | ||
d07c1be0 FT |
94 | /** |
95 | * struct x86_init_iommu - platform specific iommu setup | |
96 | * @iommu_init: platform specific iommu setup | |
97 | */ | |
98 | struct x86_init_iommu { | |
99 | int (*iommu_init)(void); | |
100 | }; | |
101 | ||
4fb6088a TG |
102 | /** |
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 | |
ab3b3793 | 106 | * @init_irq: platform specific pci irq init |
9325a28c | 107 | * @fixup_irqs: platform specific pci irq fixup |
b72d0db9 TG |
108 | */ |
109 | struct x86_init_pci { | |
4fb6088a | 110 | int (*arch_init)(void); |
b72d0db9 | 111 | int (*init)(void); |
ab3b3793 | 112 | void (*init_irq)(void); |
9325a28c | 113 | void (*fixup_irqs)(void); |
b72d0db9 TG |
114 | }; |
115 | ||
57844a8f TG |
116 | /** |
117 | * struct x86_init_ops - functions for platform specific setup | |
118 | * | |
119 | */ | |
120 | struct x86_init_ops { | |
f4848472 TG |
121 | struct x86_init_resources resources; |
122 | struct x86_init_mpparse mpparse; | |
d9112f43 | 123 | struct x86_init_irqs irqs; |
42bbdb43 | 124 | struct x86_init_oem oem; |
030cb6c0 | 125 | struct x86_init_paging paging; |
736decac | 126 | struct x86_init_timers timers; |
d07c1be0 | 127 | struct x86_init_iommu iommu; |
b72d0db9 | 128 | struct x86_init_pci pci; |
736decac TG |
129 | }; |
130 | ||
131 | /** | |
132 | * struct x86_cpuinit_ops - platform specific cpu hotplug setups | |
133 | * @setup_percpu_clockev: set up the per cpu clock event device | |
df156f90 | 134 | * @early_percpu_clock_init: early init of the per cpu clock event device |
736decac TG |
135 | */ |
136 | struct x86_cpuinit_ops { | |
137 | void (*setup_percpu_clockev)(void); | |
df156f90 | 138 | void (*early_percpu_clock_init)(void); |
64be4c1c | 139 | void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node); |
57844a8f TG |
140 | }; |
141 | ||
3565184e DV |
142 | struct timespec; |
143 | ||
80dfd83d LR |
144 | /** |
145 | * struct x86_legacy_devices - legacy x86 devices | |
146 | * | |
147 | * @pnpbios: this platform can have a PNPBIOS. If this is disabled the platform | |
148 | * is known to never have a PNPBIOS. | |
149 | * | |
150 | * These are devices known to require LPC or ISA bus. The definition of legacy | |
151 | * devices adheres to the ACPI 5.2.9.3 IA-PC Boot Architecture flag | |
152 | * ACPI_FADT_LEGACY_DEVICES. These devices consist of user visible devices on | |
153 | * the LPC or ISA bus. User visible devices are devices that have end-user | |
154 | * accessible connectors (for example, LPT parallel port). Legacy devices on | |
155 | * the LPC bus consist for example of serial and parallel ports, PS/2 keyboard | |
156 | * / mouse, and the floppy disk controller. A system that lacks all known | |
157 | * legacy devices can assume all devices can be detected exclusively via | |
158 | * standard device enumeration mechanisms including the ACPI namespace. | |
159 | * | |
160 | * A system which has does not have ACPI_FADT_LEGACY_DEVICES enabled must not | |
161 | * have any of the legacy devices enumerated below present. | |
162 | */ | |
163 | struct x86_legacy_devices { | |
164 | int pnpbios; | |
165 | }; | |
166 | ||
93ffa9a4 DT |
167 | /** |
168 | * enum x86_legacy_i8042_state - i8042 keyboard controller state | |
169 | * @X86_LEGACY_I8042_PLATFORM_ABSENT: the controller is always absent on | |
170 | * given platform/subarch. | |
171 | * @X86_LEGACY_I8042_FIRMWARE_ABSENT: firmware reports that the controller | |
172 | * is absent. | |
173 | * @X86_LEGACY_i8042_EXPECTED_PRESENT: the controller is likely to be | |
174 | * present, the i8042 driver should probe for controller existence. | |
175 | */ | |
176 | enum x86_legacy_i8042_state { | |
177 | X86_LEGACY_I8042_PLATFORM_ABSENT, | |
178 | X86_LEGACY_I8042_FIRMWARE_ABSENT, | |
179 | X86_LEGACY_I8042_EXPECTED_PRESENT, | |
180 | }; | |
181 | ||
8d152e7a LR |
182 | /** |
183 | * struct x86_legacy_features - legacy x86 features | |
184 | * | |
93ffa9a4 DT |
185 | * @i8042: indicated if we expect the device to have i8042 controller |
186 | * present. | |
8d152e7a | 187 | * @rtc: this device has a CMOS real-time clock present |
30f02739 AL |
188 | * @reserve_bios_regions: boot code will search for the EBDA address and the |
189 | * start of the 640k - 1M BIOS region. If false, the platform must | |
190 | * ensure that its memory map correctly reserves sub-1MB regions as needed. | |
80dfd83d LR |
191 | * @devices: legacy x86 devices, refer to struct x86_legacy_devices |
192 | * documentation for further details. | |
8d152e7a LR |
193 | */ |
194 | struct x86_legacy_features { | |
93ffa9a4 | 195 | enum x86_legacy_i8042_state i8042; |
8d152e7a | 196 | int rtc; |
edce2121 | 197 | int reserve_bios_regions; |
80dfd83d | 198 | struct x86_legacy_devices devices; |
8d152e7a LR |
199 | }; |
200 | ||
2d826404 TG |
201 | /** |
202 | * struct x86_platform_ops - platform specific runtime functions | |
aa297292 LB |
203 | * @calibrate_cpu: calibrate CPU |
204 | * @calibrate_tsc: calibrate TSC, if different from CPU | |
7bd867df FT |
205 | * @get_wallclock: get time from HW clock like RTC etc. |
206 | * @set_wallclock: set time back to HW clock | |
eb41c8be | 207 | * @is_untracked_pat_range exclude from PAT logic |
78c06176 | 208 | * @nmi_init enable NMI on cpus |
b74f05d6 MT |
209 | * @save_sched_clock_state: save state for sched_clock() on suspend |
210 | * @restore_sched_clock_state: restore state for sched_clock() on resume | |
22d3c0d6 | 211 | * @apic_post_init: adjust apic if needed |
8d152e7a LR |
212 | * @legacy: legacy features |
213 | * @set_legacy_features: override legacy features. Use of this callback | |
214 | * is highly discouraged. You should only need | |
215 | * this if your hardware platform requires further | |
22d3c0d6 | 216 | * custom fine tuning far beyond what may be |
8d152e7a LR |
217 | * possible in x86_early_init_platform_quirks() by |
218 | * only using the current x86_hardware_subarch | |
219 | * semantics. | |
2d826404 TG |
220 | */ |
221 | struct x86_platform_ops { | |
aa297292 | 222 | unsigned long (*calibrate_cpu)(void); |
2d826404 | 223 | unsigned long (*calibrate_tsc)(void); |
3565184e DV |
224 | void (*get_wallclock)(struct timespec *ts); |
225 | int (*set_wallclock)(const struct timespec *ts); | |
338bac52 | 226 | void (*iommu_shutdown)(void); |
eb41c8be | 227 | bool (*is_untracked_pat_range)(u64 start, u64 end); |
78c06176 | 228 | void (*nmi_init)(void); |
064a59b6 | 229 | unsigned char (*get_nmi_reason)(void); |
b74f05d6 MT |
230 | void (*save_sched_clock_state)(void); |
231 | void (*restore_sched_clock_state)(void); | |
7db971b2 | 232 | void (*apic_post_init)(void); |
8d152e7a LR |
233 | struct x86_legacy_features legacy; |
234 | void (*set_legacy_features)(void); | |
2d826404 TG |
235 | }; |
236 | ||
294ee6f8 SS |
237 | struct pci_dev; |
238 | ||
239 | struct x86_msi_ops { | |
240 | int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); | |
241 | void (*teardown_msi_irq)(unsigned int irq); | |
242 | void (*teardown_msi_irqs)(struct pci_dev *dev); | |
ac8344c4 | 243 | void (*restore_msi_irqs)(struct pci_dev *dev); |
294ee6f8 SS |
244 | }; |
245 | ||
4a8e2a31 | 246 | struct x86_io_apic_ops { |
1c4248ca | 247 | unsigned int (*read) (unsigned int apic, unsigned int reg); |
1c4248ca | 248 | void (*disable)(void); |
4a8e2a31 KRW |
249 | }; |
250 | ||
57844a8f | 251 | extern struct x86_init_ops x86_init; |
736decac | 252 | extern struct x86_cpuinit_ops x86_cpuinit; |
2d826404 | 253 | extern struct x86_platform_ops x86_platform; |
294ee6f8 | 254 | extern struct x86_msi_ops x86_msi; |
4a8e2a31 | 255 | extern struct x86_io_apic_ops x86_io_apic_ops; |
8d152e7a LR |
256 | |
257 | extern void x86_early_init_platform_quirks(void); | |
57844a8f | 258 | extern void x86_init_noop(void); |
f4848472 | 259 | extern void x86_init_uint_noop(unsigned int unused); |
57844a8f TG |
260 | |
261 | #endif |