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 NO_IOAPIC_CHECK (0)
  13
  14 #define INT_DELIVERY_MODE dest_LowestPrio
  15 #define INT_DEST_MODE 1     /* logical delivery broadcast to all procs */
  16
  17 #ifdef CONFIG_SMP
  18  #define TARGET_CPUS cpu_online_map
  19 #else
  20  #define TARGET_CPUS cpumask_of_cpu(0)
  21 #endif
  22
  23 #define check_apicid_used(bitmap, apicid)       physid_isset(apicid, bitmap)
  24 #define check_apicid_present(bit)               physid_isset(bit, phys_cpu_present_map)
  25
  26 static inline int apic_id_registered(void)
  27 {
  28         return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map);
  29 }
  30
  31 /*
  32  * Set up the logical destination ID.
  33  *
  34  * Intel recommends to set DFR, LDR and TPR before enabling
  35  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
  36  * document number 292116).  So here it goes...
  37  */
  38 static inline void init_apic_ldr(void)
  39 {
  40         unsigned long val;
  41
  42         apic_write_around(APIC_DFR, APIC_DFR_VALUE);
  43         val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
  44         val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
  45         apic_write_around(APIC_LDR, val);
  46 }
  47
  48 static inline void summit_check(char *oem, char *productid)
  49 {
  50 }
  51
  52 static inline void clustered_apic_check(void)
  53 {
  54 }
  55
  56 /* Mapping from cpu number to logical apicid */
  57 static inline int cpu_to_logical_apicid(int cpu)
  58 {
  59         return 1 << cpu;
  60 }
  61
  62 static inline int cpu_present_to_apicid(int mps_cpu)
  63 {
  64         if (mps_cpu < get_physical_broadcast())
  65                 return mps_cpu;
  66         else
  67                 return BAD_APICID;
  68 }
  69
  70 static inline physid_mask_t apicid_to_cpu_present(int apicid)
  71 {
  72         return physid_mask_of_physid(apicid);
  73 }
  74
  75 #define WAKE_SECONDARY_VIA_INIT
  76
  77 static inline void setup_portio_remap(void)
  78 {
  79 }
  80
  81 static inline void enable_apic_mode(void)
  82 {
  83 }
  84
  85 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
  86 {
  87         return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
  88 }
  89
  90 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
  91 {
  92         return cpus_addr(cpumask)[0];
  93 }
  94
  95 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
  96 {
  97         return cpuid_apic >> index_msb;
  98 }
  99
 100 #endif /* __ASM_MACH_APIC_H */