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_paging - platform specific paging functions 72 * @pagetable_setup_start: platform specific pre paging_init() call 73 * @pagetable_setup_done: platform specific post paging_init() call 74 */ 75 struct x86_init_paging { 76 void (*pagetable_setup_start)(pgd_t *base); 77 void (*pagetable_setup_done)(pgd_t *base); 78 }; 79 80 /** 81 * struct x86_init_timers - platform specific timer setup 82 * @setup_perpcu_clockev: set up the per cpu clock event device for the 83 * boot cpu 84 * @tsc_pre_init: platform function called before TSC init 85 * @timer_init: initialize the platform timer (default PIT/HPET) 86 */ 87 struct x86_init_timers { 88 void (*setup_percpu_clockev)(void); 89 void (*tsc_pre_init)(void); 90 void (*timer_init)(void); 91 }; 92 93 /** 94 * struct x86_init_iommu - platform specific iommu setup 95 * @iommu_init: platform specific iommu setup 96 */ 97 struct x86_init_iommu { 98 int (*iommu_init)(void); 99 }; 100 101 /** 102 * struct x86_init_pci - platform specific pci init functions 103 * @arch_init: platform specific pci arch init call 104 * @init: platform specific pci subsystem init 105 * @init_irq: platform specific pci irq init 106 * @fixup_irqs: platform specific pci irq fixup 107 */ 108 struct x86_init_pci { 109 int (*arch_init)(void); 110 int (*init)(void); 111 void (*init_irq)(void); 112 void (*fixup_irqs)(void); 113 }; 114 115 /** 116 * struct x86_init_ops - functions for platform specific setup 117 * 118 */ 119 struct x86_init_ops { 120 struct x86_init_resources resources; 121 struct x86_init_mpparse mpparse; 122 struct x86_init_irqs irqs; 123 struct x86_init_oem oem; 124 struct x86_init_paging paging; 125 struct x86_init_timers timers; 126 struct x86_init_iommu iommu; 127 struct x86_init_pci pci; 128 }; 129 130 /** 131 * struct x86_cpuinit_ops - platform specific cpu hotplug setups 132 * @setup_percpu_clockev: set up the per cpu clock event device 133 */ 134 struct x86_cpuinit_ops { 135 void (*setup_percpu_clockev)(void); 136 }; 137 138 /** 139 * struct x86_platform_ops - platform specific runtime functions 140 * @calibrate_tsc: calibrate TSC 141 * @get_wallclock: get time from HW clock like RTC etc. 142 * @set_wallclock: set time back to HW clock 143 * @is_untracked_pat_range exclude from PAT logic 144 * @nmi_init enable NMI on cpus 145 * @i8042_detect pre-detect if i8042 controller exists 146 */ 147 struct x86_platform_ops { 148 unsigned long (*calibrate_tsc)(void); 149 unsigned long (*get_wallclock)(void); 150 int (*set_wallclock)(unsigned long nowtime); 151 void (*iommu_shutdown)(void); 152 bool (*is_untracked_pat_range)(u64 start, u64 end); 153 void (*nmi_init)(void); 154 int (*i8042_detect)(void); 155 }; 156 157 extern struct x86_init_ops x86_init; 158 extern struct x86_cpuinit_ops x86_cpuinit; 159 extern struct x86_platform_ops x86_platform; 160 161 extern void x86_init_noop(void); 162 extern void x86_init_uint_noop(unsigned int unused); 163 164 #endif 165