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 7 struct mpc_bus; 8 struct mpc_cpu; 9 struct mpc_table; 10 struct cpuinfo_x86; 11 12 /** 13 * struct x86_init_mpparse - platform specific mpparse ops 14 * @mpc_record: platform specific mpc record accounting 15 * @setup_ioapic_ids: platform specific ioapic id override 16 * @mpc_apic_id: platform specific mpc apic id assignment 17 * @smp_read_mpc_oem: platform specific oem mpc table setup 18 * @mpc_oem_pci_bus: platform specific pci bus setup (default NULL) 19 * @mpc_oem_bus_info: platform specific mpc bus info 20 * @find_smp_config: find the smp configuration 21 * @get_smp_config: get the smp configuration 22 */ 23 struct x86_init_mpparse { 24 void (*mpc_record)(unsigned int mode); 25 void (*setup_ioapic_ids)(void); 26 int (*mpc_apic_id)(struct mpc_cpu *m); 27 void (*smp_read_mpc_oem)(struct mpc_table *mpc); 28 void (*mpc_oem_pci_bus)(struct mpc_bus *m); 29 void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name); 30 void (*find_smp_config)(void); 31 void (*get_smp_config)(unsigned int early); 32 }; 33 34 /** 35 * struct x86_init_resources - platform specific resource related ops 36 * @probe_roms: probe BIOS roms 37 * @reserve_resources: reserve the standard resources for the 38 * platform 39 * @memory_setup: platform specific memory setup 40 * 41 */ 42 struct x86_init_resources { 43 void (*probe_roms)(void); 44 void (*reserve_resources)(void); 45 char *(*memory_setup)(void); 46 }; 47 48 /** 49 * struct x86_init_irqs - platform specific interrupt setup 50 * @pre_vector_init: init code to run before interrupt vectors 51 * are set up. 52 * @intr_init: interrupt init code 53 * @trap_init: platform specific trap setup 54 */ 55 struct x86_init_irqs { 56 void (*pre_vector_init)(void); 57 void (*intr_init)(void); 58 void (*trap_init)(void); 59 }; 60 61 /** 62 * struct x86_init_oem - oem platform specific customizing functions 63 * @arch_setup: platform specific architecure setup 64 * @banner: print a platform specific banner 65 */ 66 struct x86_init_oem { 67 void (*arch_setup)(void); 68 void (*banner)(void); 69 }; 70 71 /** 72 * struct x86_init_mapping - platform specific initial kernel pagetable setup 73 * @pagetable_reserve: reserve a range of addresses for kernel pagetable usage 74 * 75 * For more details on the purpose of this hook, look in 76 * init_memory_mapping and the commit that added it. 77 */ 78 struct x86_init_mapping { 79 void (*pagetable_reserve)(u64 start, u64 end); 80 }; 81 82 /** 83 * struct x86_init_paging - platform specific paging functions 84 * @pagetable_setup_start: platform specific pre paging_init() call 85 * @pagetable_setup_done: platform specific post paging_init() call 86 */ 87 struct x86_init_paging { 88 void (*pagetable_setup_start)(pgd_t *base); 89 void (*pagetable_setup_done)(pgd_t *base); 90 }; 91 92 /** 93 * struct x86_init_timers - platform specific timer setup 94 * @setup_perpcu_clockev: set up the per cpu clock event device for the 95 * boot cpu 96 * @tsc_pre_init: platform function called before TSC init 97 * @timer_init: initialize the platform timer (default PIT/HPET) 98 * @wallclock_init: init the wallclock device 99 */ 100 struct x86_init_timers { 101 void (*setup_percpu_clockev)(void); 102 void (*tsc_pre_init)(void); 103 void (*timer_init)(void); 104 void (*wallclock_init)(void); 105 }; 106 107 /** 108 * struct x86_init_iommu - platform specific iommu setup 109 * @iommu_init: platform specific iommu setup 110 */ 111 struct x86_init_iommu { 112 int (*iommu_init)(void); 113 }; 114 115 /** 116 * struct x86_init_pci - platform specific pci init functions 117 * @arch_init: platform specific pci arch init call 118 * @init: platform specific pci subsystem init 119 * @init_irq: platform specific pci irq init 120 * @fixup_irqs: platform specific pci irq fixup 121 */ 122 struct x86_init_pci { 123 int (*arch_init)(void); 124 int (*init)(void); 125 void (*init_irq)(void); 126 void (*fixup_irqs)(void); 127 }; 128 129 /** 130 * struct x86_init_ops - functions for platform specific setup 131 * 132 */ 133 struct x86_init_ops { 134 struct x86_init_resources resources; 135 struct x86_init_mpparse mpparse; 136 struct x86_init_irqs irqs; 137 struct x86_init_oem oem; 138 struct x86_init_mapping mapping; 139 struct x86_init_paging paging; 140 struct x86_init_timers timers; 141 struct x86_init_iommu iommu; 142 struct x86_init_pci pci; 143 }; 144 145 /** 146 * struct x86_cpuinit_ops - platform specific cpu hotplug setups 147 * @setup_percpu_clockev: set up the per cpu clock event device 148 * @early_percpu_clock_init: early init of the per cpu clock event device 149 */ 150 struct x86_cpuinit_ops { 151 void (*setup_percpu_clockev)(void); 152 void (*early_percpu_clock_init)(void); 153 void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node); 154 }; 155 156 /** 157 * struct x86_platform_ops - platform specific runtime functions 158 * @calibrate_tsc: calibrate TSC 159 * @wallclock_init: init the wallclock device 160 * @get_wallclock: get time from HW clock like RTC etc. 161 * @set_wallclock: set time back to HW clock 162 * @is_untracked_pat_range exclude from PAT logic 163 * @nmi_init enable NMI on cpus 164 * @i8042_detect pre-detect if i8042 controller exists 165 * @save_sched_clock_state: save state for sched_clock() on suspend 166 * @restore_sched_clock_state: restore state for sched_clock() on resume 167 */ 168 struct x86_platform_ops { 169 unsigned long (*calibrate_tsc)(void); 170 void (*wallclock_init)(void); 171 unsigned long (*get_wallclock)(void); 172 int (*set_wallclock)(unsigned long nowtime); 173 void (*iommu_shutdown)(void); 174 bool (*is_untracked_pat_range)(u64 start, u64 end); 175 void (*nmi_init)(void); 176 unsigned char (*get_nmi_reason)(void); 177 int (*i8042_detect)(void); 178 void (*save_sched_clock_state)(void); 179 void (*restore_sched_clock_state)(void); 180 }; 181 182 struct pci_dev; 183 184 struct x86_msi_ops { 185 int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); 186 void (*teardown_msi_irq)(unsigned int irq); 187 void (*teardown_msi_irqs)(struct pci_dev *dev); 188 void (*restore_msi_irqs)(struct pci_dev *dev, int irq); 189 }; 190 191 extern struct x86_init_ops x86_init; 192 extern struct x86_cpuinit_ops x86_cpuinit; 193 extern struct x86_platform_ops x86_platform; 194 extern struct x86_msi_ops x86_msi; 195 196 extern void x86_init_noop(void); 197 extern void x86_init_uint_noop(unsigned int unused); 198 199 #endif 200