include/asm-i386/mach-visws/mach_apic.h

   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 #define no_balance_irq (0)
  10 #define esr_disable (0)
  11
  12 #define INT_DELIVERY_MODE dest_LowestPrio
  13 #define INT_DEST_MODE 1     /* logical delivery broadcast to all procs */
  14
  15 #ifdef CONFIG_SMP
  16  #define TARGET_CPUS cpu_online_map
  17 #else
  18  #define TARGET_CPUS cpumask_of_cpu(0)
  19 #endif
  20
  21 #define check_apicid_used(bitmap, apicid)       physid_isset(apicid, bitmap)
  22 #define check_apicid_present(bit)               physid_isset(bit, phys_cpu_present_map)
  23
  24 static inline int apic_id_registered(void)
  25 {
  26         return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map);
  27 }
  28
  29 /*
  30  * Set up the logical destination ID.
  31  *
  32  * Intel recommends to set DFR, LDR and TPR before enabling
  33  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
  34  * document number 292116).  So here it goes...
  35  */
  36 static inline void init_apic_ldr(void)
  37 {
  38         unsigned long val;
  39
  40         apic_write_around(APIC_DFR, APIC_DFR_VALUE);
  41         val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
  42         val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
  43         apic_write_around(APIC_LDR, val);
  44 }
  45
  46 static inline void summit_check(char *oem, char *productid)
  47 {
  48 }
  49
  50 static inline void clustered_apic_check(void)
  51 {
  52 }
  53
  54 /* Mapping from cpu number to logical apicid */
  55 static inline int cpu_to_logical_apicid(int cpu)
  56 {
  57         return 1 << cpu;
  58 }
  59
  60 static inline int cpu_present_to_apicid(int mps_cpu)
  61 {
  62         if (mps_cpu < get_physical_broadcast())
  63                 return mps_cpu;
  64         else
  65                 return BAD_APICID;
  66 }
  67
  68 static inline physid_mask_t apicid_to_cpu_present(int apicid)
  69 {
  70         return physid_mask_of_physid(apicid);
  71 }
  72
  73 #define WAKE_SECONDARY_VIA_INIT
  74
  75 static inline void setup_portio_remap(void)
  76 {
  77 }
  78
  79 static inline void enable_apic_mode(void)
  80 {
  81 }
  82
  83 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
  84 {
  85         return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
  86 }
  87
  88 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
  89 {
  90         return cpus_addr(cpumask)[0];
  91 }
  92
  93 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
  94 {
  95         return cpuid_apic >> index_msb;
  96 }
  97
  98 #endif /* __ASM_MACH_APIC_H */