include/asm-x86/mach-es7000/mach_apic.h

   1 #ifndef __ASM_MACH_APIC_H
   2 #define __ASM_MACH_APIC_H
   3
   4 #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu)
   5 #define esr_disable (1)
   6
   7 static inline int apic_id_registered(void)
   8 {
   9                 return (1);
  10 }
  11
  12 static inline cpumask_t target_cpus(void)
  13 {
  14 #if defined CONFIG_ES7000_CLUSTERED_APIC
  15         return CPU_MASK_ALL;
  16 #else
  17         return cpumask_of_cpu(smp_processor_id());
  18 #endif
  19 }
  20 #define TARGET_CPUS     (target_cpus())
  21
  22 #if defined CONFIG_ES7000_CLUSTERED_APIC
  23 #define APIC_DFR_VALUE          (APIC_DFR_CLUSTER)
  24 #define INT_DELIVERY_MODE       (dest_LowestPrio)
  25 #define INT_DEST_MODE           (1)    /* logical delivery broadcast to all procs */
  26 #define NO_BALANCE_IRQ          (1)
  27 #undef  WAKE_SECONDARY_VIA_INIT
  28 #define WAKE_SECONDARY_VIA_MIP
  29 #else
  30 #define APIC_DFR_VALUE          (APIC_DFR_FLAT)
  31 #define INT_DELIVERY_MODE       (dest_Fixed)
  32 #define INT_DEST_MODE           (0)    /* phys delivery to target procs */
  33 #define NO_BALANCE_IRQ          (0)
  34 #undef  APIC_DEST_LOGICAL
  35 #define APIC_DEST_LOGICAL       0x0
  36 #define WAKE_SECONDARY_VIA_INIT
  37 #endif
  38
  39 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
  40 {
  41         return 0;
  42 }
  43 static inline unsigned long check_apicid_present(int bit)
  44 {
  45         return physid_isset(bit, phys_cpu_present_map);
  46 }
  47
  48 #define apicid_cluster(apicid) (apicid & 0xF0)
  49
  50 static inline unsigned long calculate_ldr(int cpu)
  51 {
  52         unsigned long id;
  53         id = xapic_phys_to_log_apicid(cpu);
  54         return (SET_APIC_LOGICAL_ID(id));
  55 }
  56
  57 /*
  58  * Set up the logical destination ID.
  59  *
  60  * Intel recommends to set DFR, LdR and TPR before enabling
  61  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
  62  * document number 292116).  So here it goes...
  63  */
  64 static inline void init_apic_ldr(void)
  65 {
  66         unsigned long val;
  67         int cpu = smp_processor_id();
  68
  69         apic_write_around(APIC_DFR, APIC_DFR_VALUE);
  70         val = calculate_ldr(cpu);
  71         apic_write_around(APIC_LDR, val);
  72 }
  73
  74 #ifndef CONFIG_X86_GENERICARCH
  75 extern void enable_apic_mode(void);
  76 #endif
  77
  78 extern int apic_version [MAX_APICS];
  79 static inline void setup_apic_routing(void)
  80 {
  81         int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
  82         printk("Enabling APIC mode:  %s.  Using %d I/O APICs, target cpus %lx\n",
  83                 (apic_version[apic] == 0x14) ?
  84                 "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]);
  85 }
  86
  87 static inline int multi_timer_check(int apic, int irq)
  88 {
  89         return 0;
  90 }
  91
  92 static inline int apicid_to_node(int logical_apicid)
  93 {
  94         return 0;
  95 }
  96
  97
  98 static inline int cpu_present_to_apicid(int mps_cpu)
  99 {
 100         if (!mps_cpu)
 101                 return boot_cpu_physical_apicid;
 102         else if (mps_cpu < NR_CPUS)
 103                 return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
 104         else
 105                 return BAD_APICID;
 106 }
 107
 108 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
 109 {
 110         static int id = 0;
 111         physid_mask_t mask;
 112         mask = physid_mask_of_physid(id);
 113         ++id;
 114         return mask;
 115 }
 116
 117 extern u8 cpu_2_logical_apicid[];
 118 /* Mapping from cpu number to logical apicid */
 119 static inline int cpu_to_logical_apicid(int cpu)
 120 {
 121 #ifdef CONFIG_SMP
 122        if (cpu >= NR_CPUS)
 123                return BAD_APICID;
 124        return (int)cpu_2_logical_apicid[cpu];
 125 #else
 126         return logical_smp_processor_id();
 127 #endif
 128 }
 129
 130 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
 131 {
 132         /* For clustered we don't have a good way to do this yet - hack */
 133         return physids_promote(0xff);
 134 }
 135
 136
 137 static inline void setup_portio_remap(void)
 138 {
 139 }
 140
 141 extern unsigned int boot_cpu_physical_apicid;
 142 static inline int check_phys_apicid_present(int cpu_physical_apicid)
 143 {
 144         boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
 145         return (1);
 146 }
 147
 148 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
 149 {
 150         int num_bits_set;
 151         int cpus_found = 0;
 152         int cpu;
 153         int apicid;
 154
 155         num_bits_set = cpus_weight(cpumask);
 156         /* Return id to all */
 157         if (num_bits_set == NR_CPUS)
 158 #if defined CONFIG_ES7000_CLUSTERED_APIC
 159                 return 0xFF;
 160 #else
 161                 return cpu_to_logical_apicid(0);
 162 #endif
 163         /*
 164          * The cpus in the mask must all be on the apic cluster.  If are not
 165          * on the same apicid cluster return default value of TARGET_CPUS.
 166          */
 167         cpu = first_cpu(cpumask);
 168         apicid = cpu_to_logical_apicid(cpu);
 169         while (cpus_found < num_bits_set) {
 170                 if (cpu_isset(cpu, cpumask)) {
 171                         int new_apicid = cpu_to_logical_apicid(cpu);
 172                         if (apicid_cluster(apicid) !=
 173                                         apicid_cluster(new_apicid)){
 174                                 printk ("%s: Not a valid mask!\n",__FUNCTION__);
 175 #if defined CONFIG_ES7000_CLUSTERED_APIC
 176                                 return 0xFF;
 177 #else
 178                                 return cpu_to_logical_apicid(0);
 179 #endif
 180                         }
 181                         apicid = new_apicid;
 182                         cpus_found++;
 183                 }
 184                 cpu++;
 185         }
 186         return apicid;
 187 }
 188
 189 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
 190 {
 191         return cpuid_apic >> index_msb;
 192 }
 193
 194 #endif /* __ASM_MACH_APIC_H */