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_init: platform specific paging initialization call to setup 85 * the kernel pagetables and prepare accessors functions. 86 * Callback must call paging_init(). Called once after the 87 * direct mapping for phys memory is available. 88 */ 89 struct x86_init_paging { 90 void (*pagetable_init)(void); 91 }; 92 93 /** 94 * struct x86_init_timers - platform specific timer setup 95 * @setup_perpcu_clockev: set up the per cpu clock event device for the 96 * boot cpu 97 * @tsc_pre_init: platform function called before TSC init 98 * @timer_init: initialize the platform timer (default PIT/HPET) 99 * @wallclock_init: init the wallclock device 100 */ 101 struct x86_init_timers { 102 void (*setup_percpu_clockev)(void); 103 void (*tsc_pre_init)(void); 104 void (*timer_init)(void); 105 void (*wallclock_init)(void); 106 }; 107 108 /** 109 * struct x86_init_iommu - platform specific iommu setup 110 * @iommu_init: platform specific iommu setup 111 */ 112 struct x86_init_iommu { 113 int (*iommu_init)(void); 114 }; 115 116 /** 117 * struct x86_init_pci - platform specific pci init functions 118 * @arch_init: platform specific pci arch init call 119 * @init: platform specific pci subsystem init 120 * @init_irq: platform specific pci irq init 121 * @fixup_irqs: platform specific pci irq fixup 122 */ 123 struct x86_init_pci { 124 int (*arch_init)(void); 125 int (*init)(void); 126 void (*init_irq)(void); 127 void (*fixup_irqs)(void); 128 }; 129 130 /** 131 * struct x86_init_ops - functions for platform specific setup 132 * 133 */ 134 struct x86_init_ops { 135 struct x86_init_resources resources; 136 struct x86_init_mpparse mpparse; 137 struct x86_init_irqs irqs; 138 struct x86_init_oem oem; 139 struct x86_init_mapping mapping; 140 struct x86_init_paging paging; 141 struct x86_init_timers timers; 142 struct x86_init_iommu iommu; 143 struct x86_init_pci pci; 144 }; 145 146 /** 147 * struct x86_cpuinit_ops - platform specific cpu hotplug setups 148 * @setup_percpu_clockev: set up the per cpu clock event device 149 * @early_percpu_clock_init: early init of the per cpu clock event device 150 */ 151 struct x86_cpuinit_ops { 152 void (*setup_percpu_clockev)(void); 153 void (*early_percpu_clock_init)(void); 154 void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node); 155 }; 156 157 /** 158 * struct x86_platform_ops - platform specific runtime functions 159 * @calibrate_tsc: calibrate TSC 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 * @apic_post_init: adjust apic if neeeded 168 */ 169 struct x86_platform_ops { 170 unsigned long (*calibrate_tsc)(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 void (*apic_post_init)(void); 181 }; 182 183 struct pci_dev; 184 185 struct x86_msi_ops { 186 int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); 187 void (*teardown_msi_irq)(unsigned int irq); 188 void (*teardown_msi_irqs)(struct pci_dev *dev); 189 void (*restore_msi_irqs)(struct pci_dev *dev, int irq); 190 }; 191 192 struct x86_io_apic_ops { 193 void (*init) (void); 194 unsigned int (*read) (unsigned int apic, unsigned int reg); 195 void (*write) (unsigned int apic, unsigned int reg, unsigned int value); 196 void (*modify)(unsigned int apic, unsigned int reg, unsigned int value); 197 }; 198 199 extern struct x86_init_ops x86_init; 200 extern struct x86_cpuinit_ops x86_cpuinit; 201 extern struct x86_platform_ops x86_platform; 202 extern struct x86_msi_ops x86_msi; 203 extern struct x86_io_apic_ops x86_io_apic_ops; 204 extern void x86_init_noop(void); 205 extern void x86_init_uint_noop(unsigned int unused); 206 207 #endif 208