Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ASM_MACH_APIC_H |
| 2 | #define __ASM_MACH_APIC_H |
| 3 | |
| 4 | #include <mach_apicdef.h> |
| 5 | #include <asm/smp.h> |
| 6 | |
| 7 | #define APIC_DFR_VALUE (APIC_DFR_FLAT) |
| 8 | |
| 9 | static inline cpumask_t target_cpus(void) |
| 10 | { |
| 11 | #ifdef CONFIG_SMP |
| 12 | return cpu_online_map; |
| 13 | #else |
| 14 | return cpumask_of_cpu(0); |
| 15 | #endif |
| 16 | } |
| 17 | #define TARGET_CPUS (target_cpus()) |
| 18 | |
| 19 | #define NO_BALANCE_IRQ (0) |
| 20 | #define esr_disable (0) |
| 21 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #define INT_DELIVERY_MODE dest_LowestPrio |
| 23 | #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ |
| 24 | |
| 25 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) |
| 26 | { |
| 27 | return physid_isset(apicid, bitmap); |
| 28 | } |
| 29 | |
| 30 | static inline unsigned long check_apicid_present(int bit) |
| 31 | { |
| 32 | return physid_isset(bit, phys_cpu_present_map); |
| 33 | } |
| 34 | |
| 35 | /* |
| 36 | * Set up the logical destination ID. |
| 37 | * |
| 38 | * Intel recommends to set DFR, LDR and TPR before enabling |
| 39 | * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel |
| 40 | * document number 292116). So here it goes... |
| 41 | */ |
| 42 | static inline void init_apic_ldr(void) |
| 43 | { |
| 44 | unsigned long val; |
| 45 | |
| 46 | apic_write_around(APIC_DFR, APIC_DFR_VALUE); |
| 47 | val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; |
| 48 | val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id()); |
| 49 | apic_write_around(APIC_LDR, val); |
| 50 | } |
| 51 | |
| 52 | static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) |
| 53 | { |
| 54 | return phys_map; |
| 55 | } |
| 56 | |
Ingo Molnar | 3c43f03 | 2007-05-02 19:27:04 +0200 | [diff] [blame] | 57 | static inline void setup_apic_routing(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | { |
| 59 | printk("Enabling APIC mode: %s. Using %d I/O APICs\n", |
| 60 | "Flat", nr_ioapics); |
| 61 | } |
| 62 | |
| 63 | static inline int multi_timer_check(int apic, int irq) |
| 64 | { |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | static inline int apicid_to_node(int logical_apicid) |
| 69 | { |
| 70 | return 0; |
| 71 | } |
| 72 | |
| 73 | /* Mapping from cpu number to logical apicid */ |
| 74 | static inline int cpu_to_logical_apicid(int cpu) |
| 75 | { |
| 76 | return 1 << cpu; |
| 77 | } |
| 78 | |
| 79 | static inline int cpu_present_to_apicid(int mps_cpu) |
| 80 | { |
| 81 | if (mps_cpu < get_physical_broadcast()) |
| 82 | return mps_cpu; |
| 83 | else |
| 84 | return BAD_APICID; |
| 85 | } |
| 86 | |
| 87 | static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) |
| 88 | { |
| 89 | return physid_mask_of_physid(phys_apicid); |
| 90 | } |
| 91 | |
| 92 | static inline int mpc_apic_id(struct mpc_config_processor *m, |
| 93 | struct mpc_config_translation *translation_record) |
| 94 | { |
| 95 | printk("Processor #%d %ld:%ld APIC version %d\n", |
| 96 | m->mpc_apicid, |
| 97 | (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, |
| 98 | (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, |
| 99 | m->mpc_apicver); |
| 100 | return (m->mpc_apicid); |
| 101 | } |
| 102 | |
| 103 | static inline void setup_portio_remap(void) |
| 104 | { |
| 105 | } |
| 106 | |
| 107 | static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) |
| 108 | { |
| 109 | return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map); |
| 110 | } |
| 111 | |
| 112 | static inline int apic_id_registered(void) |
| 113 | { |
| 114 | return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map); |
| 115 | } |
| 116 | |
| 117 | static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) |
| 118 | { |
| 119 | return cpus_addr(cpumask)[0]; |
| 120 | } |
| 121 | |
| 122 | static inline void enable_apic_mode(void) |
| 123 | { |
| 124 | } |
| 125 | |
| 126 | static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) |
| 127 | { |
| 128 | return cpuid_apic >> index_msb; |
| 129 | } |
| 130 | |
| 131 | #endif /* __ASM_MACH_APIC_H */ |