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_ops - functions for platform specific setup 103 * 104 */ 105 struct x86_init_ops { 106 struct x86_init_resources resources; 107 struct x86_init_mpparse mpparse; 108 struct x86_init_irqs irqs; 109 struct x86_init_oem oem; 110 struct x86_init_paging paging; 111 struct x86_init_timers timers; 112 struct x86_init_iommu iommu; 113 }; 114 115 /** 116 * struct x86_cpuinit_ops - platform specific cpu hotplug setups 117 * @setup_percpu_clockev: set up the per cpu clock event device 118 */ 119 struct x86_cpuinit_ops { 120 void (*setup_percpu_clockev)(void); 121 }; 122 123 /** 124 * struct x86_platform_ops - platform specific runtime functions 125 * @calibrate_tsc: calibrate TSC 126 * @get_wallclock: get time from HW clock like RTC etc. 127 * @set_wallclock: set time back to HW clock 128 * @is_untracked_pat_range exclude from PAT logic 129 * @nmi_init enable NMI on cpus 130 */ 131 struct x86_platform_ops { 132 unsigned long (*calibrate_tsc)(void); 133 unsigned long (*get_wallclock)(void); 134 int (*set_wallclock)(unsigned long nowtime); 135 void (*iommu_shutdown)(void); 136 bool (*is_untracked_pat_range)(u64 start, u64 end); 137 void (*nmi_init)(void); 138 }; 139 140 extern struct x86_init_ops x86_init; 141 extern struct x86_cpuinit_ops x86_cpuinit; 142 extern struct x86_platform_ops x86_platform; 143 144 extern void x86_init_noop(void); 145 extern void x86_init_uint_noop(unsigned int unused); 146 147 #endif 148