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 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_mapping - platform specific initial kernel pagetable setup 72 * @pagetable_reserve: reserve a range of addresses for kernel pagetable usage 73 * 74 * For more details on the purpose of this hook, look in 75 * init_memory_mapping and the commit that added it. 76 */ 77 struct x86_init_mapping { 78 void (*pagetable_reserve)(u64 start, u64 end); 79 }; 80 81 /** 82 * struct x86_init_paging - platform specific paging functions 83 * @pagetable_setup_start: platform specific pre paging_init() call 84 * @pagetable_setup_done: platform specific post paging_init() call 85 */ 86 struct x86_init_paging { 87 void (*pagetable_setup_start)(pgd_t *base); 88 void (*pagetable_setup_done)(pgd_t *base); 89 }; 90 91 /** 92 * struct x86_init_timers - platform specific timer setup 93 * @setup_perpcu_clockev: set up the per cpu clock event device for the 94 * boot cpu 95 * @tsc_pre_init: platform function called before TSC init 96 * @timer_init: initialize the platform timer (default PIT/HPET) 97 * @wallclock_init: init the wallclock device 98 */ 99 struct x86_init_timers { 100 void (*setup_percpu_clockev)(void); 101 void (*tsc_pre_init)(void); 102 void (*timer_init)(void); 103 void (*wallclock_init)(void); 104 }; 105 106 /** 107 * struct x86_init_iommu - platform specific iommu setup 108 * @iommu_init: platform specific iommu setup 109 */ 110 struct x86_init_iommu { 111 int (*iommu_init)(void); 112 }; 113 114 /** 115 * struct x86_init_pci - platform specific pci init functions 116 * @arch_init: platform specific pci arch init call 117 * @init: platform specific pci subsystem init 118 * @init_irq: platform specific pci irq init 119 * @fixup_irqs: platform specific pci irq fixup 120 */ 121 struct x86_init_pci { 122 int (*arch_init)(void); 123 int (*init)(void); 124 void (*init_irq)(void); 125 void (*fixup_irqs)(void); 126 }; 127 128 /** 129 * struct x86_init_ops - functions for platform specific setup 130 * 131 */ 132 struct x86_init_ops { 133 struct x86_init_resources resources; 134 struct x86_init_mpparse mpparse; 135 struct x86_init_irqs irqs; 136 struct x86_init_oem oem; 137 struct x86_init_mapping mapping; 138 struct x86_init_paging paging; 139 struct x86_init_timers timers; 140 struct x86_init_iommu iommu; 141 struct x86_init_pci pci; 142 }; 143 144 /** 145 * struct x86_cpuinit_ops - platform specific cpu hotplug setups 146 * @setup_percpu_clockev: set up the per cpu clock event device 147 */ 148 struct x86_cpuinit_ops { 149 void (*setup_percpu_clockev)(void); 150 }; 151 152 /** 153 * struct x86_platform_ops - platform specific runtime functions 154 * @calibrate_tsc: calibrate TSC 155 * @get_wallclock: get time from HW clock like RTC etc. 156 * @set_wallclock: set time back to HW clock 157 * @is_untracked_pat_range exclude from PAT logic 158 * @nmi_init enable NMI on cpus 159 * @i8042_detect pre-detect if i8042 controller exists 160 */ 161 struct x86_platform_ops { 162 unsigned long (*calibrate_tsc)(void); 163 unsigned long (*get_wallclock)(void); 164 int (*set_wallclock)(unsigned long nowtime); 165 void (*iommu_shutdown)(void); 166 bool (*is_untracked_pat_range)(u64 start, u64 end); 167 void (*nmi_init)(void); 168 int (*i8042_detect)(void); 169 }; 170 171 struct pci_dev; 172 173 struct x86_msi_ops { 174 int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); 175 void (*teardown_msi_irq)(unsigned int irq); 176 void (*teardown_msi_irqs)(struct pci_dev *dev); 177 }; 178 179 extern struct x86_init_ops x86_init; 180 extern struct x86_cpuinit_ops x86_cpuinit; 181 extern struct x86_platform_ops x86_platform; 182 extern struct x86_msi_ops x86_msi; 183 184 extern void x86_init_noop(void); 185 extern void x86_init_uint_noop(unsigned int unused); 186 187 #endif 188