1 #ifndef _ASM_X86_PLATFORM_H 2 #define _ASM_X86_PLATFORM_H 3 4 #include <asm/bootparam.h> 5 6 struct mpc_bus; 7 struct mpc_cpu; 8 struct mpc_table; 9 struct cpuinfo_x86; 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 */ 22 struct 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)(void); 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 */ 41 struct 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 */ 54 struct 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 */ 65 struct 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_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. 76 */ 77 struct x86_init_paging { 78 void (*pagetable_init)(void); 79 }; 80 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 85 * @tsc_pre_init: platform function called before TSC init 86 * @timer_init: initialize the platform timer (default PIT/HPET) 87 * @wallclock_init: init the wallclock device 88 */ 89 struct x86_init_timers { 90 void (*setup_percpu_clockev)(void); 91 void (*tsc_pre_init)(void); 92 void (*timer_init)(void); 93 void (*wallclock_init)(void); 94 }; 95 96 /** 97 * struct x86_init_iommu - platform specific iommu setup 98 * @iommu_init: platform specific iommu setup 99 */ 100 struct x86_init_iommu { 101 int (*iommu_init)(void); 102 }; 103 104 /** 105 * struct x86_init_pci - platform specific pci init functions 106 * @arch_init: platform specific pci arch init call 107 * @init: platform specific pci subsystem init 108 * @init_irq: platform specific pci irq init 109 * @fixup_irqs: platform specific pci irq fixup 110 */ 111 struct x86_init_pci { 112 int (*arch_init)(void); 113 int (*init)(void); 114 void (*init_irq)(void); 115 void (*fixup_irqs)(void); 116 }; 117 118 /** 119 * struct x86_init_ops - functions for platform specific setup 120 * 121 */ 122 struct x86_init_ops { 123 struct x86_init_resources resources; 124 struct x86_init_mpparse mpparse; 125 struct x86_init_irqs irqs; 126 struct x86_init_oem oem; 127 struct x86_init_paging paging; 128 struct x86_init_timers timers; 129 struct x86_init_iommu iommu; 130 struct x86_init_pci pci; 131 }; 132 133 /** 134 * struct x86_cpuinit_ops - platform specific cpu hotplug setups 135 * @setup_percpu_clockev: set up the per cpu clock event device 136 * @early_percpu_clock_init: early init of the per cpu clock event device 137 */ 138 struct x86_cpuinit_ops { 139 void (*setup_percpu_clockev)(void); 140 void (*early_percpu_clock_init)(void); 141 void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node); 142 }; 143 144 struct timespec; 145 146 /** 147 * struct x86_platform_ops - platform specific runtime functions 148 * @calibrate_tsc: calibrate TSC 149 * @get_wallclock: get time from HW clock like RTC etc. 150 * @set_wallclock: set time back to HW clock 151 * @is_untracked_pat_range exclude from PAT logic 152 * @nmi_init enable NMI on cpus 153 * @i8042_detect pre-detect if i8042 controller exists 154 * @save_sched_clock_state: save state for sched_clock() on suspend 155 * @restore_sched_clock_state: restore state for sched_clock() on resume 156 * @apic_post_init: adjust apic if neeeded 157 */ 158 struct x86_platform_ops { 159 unsigned long (*calibrate_tsc)(void); 160 void (*get_wallclock)(struct timespec *ts); 161 int (*set_wallclock)(const struct timespec *ts); 162 void (*iommu_shutdown)(void); 163 bool (*is_untracked_pat_range)(u64 start, u64 end); 164 void (*nmi_init)(void); 165 unsigned char (*get_nmi_reason)(void); 166 int (*i8042_detect)(void); 167 void (*save_sched_clock_state)(void); 168 void (*restore_sched_clock_state)(void); 169 void (*apic_post_init)(void); 170 }; 171 172 struct pci_dev; 173 174 struct x86_msi_ops { 175 int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); 176 void (*teardown_msi_irq)(unsigned int irq); 177 void (*teardown_msi_irqs)(struct pci_dev *dev); 178 void (*restore_msi_irqs)(struct pci_dev *dev); 179 }; 180 181 struct x86_io_apic_ops { 182 unsigned int (*read) (unsigned int apic, unsigned int reg); 183 void (*disable)(void); 184 }; 185 186 extern struct x86_init_ops x86_init; 187 extern struct x86_cpuinit_ops x86_cpuinit; 188 extern struct x86_platform_ops x86_platform; 189 extern struct x86_msi_ops x86_msi; 190 extern struct x86_io_apic_ops x86_io_apic_ops; 191 extern void x86_init_noop(void); 192 extern void x86_init_uint_noop(unsigned int unused); 193 194 #endif 195