include/asm-i386/mach-es7000/mach_apic.h

   1 #ifndef __ASM_MACH_APIC_H
   2 #define __ASM_MACH_APIC_H
   3
   4 extern u8 bios_cpu_apicid[];
   5
   6 #define xapic_phys_to_log_apicid(cpu) (bios_cpu_apicid[cpu])
   7 #define esr_disable (1)
   8
   9 static inline int apic_id_registered(void)
  10 {
  11                 return (1);
  12 }
  13
  14 static inline cpumask_t target_cpus(void)
  15 {
  16 #if defined CONFIG_ES7000_CLUSTERED_APIC
  17         return CPU_MASK_ALL;
  18 #else
  19         return cpumask_of_cpu(smp_processor_id());
  20 #endif
  21 }
  22 #define TARGET_CPUS     (target_cpus())
  23
  24 #if defined CONFIG_ES7000_CLUSTERED_APIC
  25 #define APIC_DFR_VALUE          (APIC_DFR_CLUSTER)
  26 #define INT_DELIVERY_MODE       (dest_LowestPrio)
  27 #define INT_DEST_MODE           (1)    /* logical delivery broadcast to all procs */
  28 #define NO_BALANCE_IRQ          (1)
  29 #undef  WAKE_SECONDARY_VIA_INIT
  30 #define WAKE_SECONDARY_VIA_MIP
  31 #else
  32 #define APIC_DFR_VALUE          (APIC_DFR_FLAT)
  33 #define INT_DELIVERY_MODE       (dest_Fixed)
  34 #define INT_DEST_MODE           (0)    /* phys delivery to target procs */
  35 #define NO_BALANCE_IRQ          (0)
  36 #undef  APIC_DEST_LOGICAL
  37 #define APIC_DEST_LOGICAL       0x0
  38 #define WAKE_SECONDARY_VIA_INIT
  39 #endif
  40
  41 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
  42 {
  43         return 0;
  44 }
  45 static inline unsigned long check_apicid_present(int bit)
  46 {
  47         return physid_isset(bit, phys_cpu_present_map);
  48 }
  49
  50 #define apicid_cluster(apicid) (apicid & 0xF0)
  51
  52 static inline unsigned long calculate_ldr(int cpu)
  53 {
  54         unsigned long id;
  55         id = xapic_phys_to_log_apicid(cpu);
  56         return (SET_APIC_LOGICAL_ID(id));
  57 }
  58
  59 /*
  60  * Set up the logical destination ID.
  61  *
  62  * Intel recommends to set DFR, LdR and TPR before enabling
  63  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
  64  * document number 292116).  So here it goes...
  65  */
  66 static inline void init_apic_ldr(void)
  67 {
  68         unsigned long val;
  69         int cpu = smp_processor_id();
  70
  71         apic_write_around(APIC_DFR, APIC_DFR_VALUE);
  72         val = calculate_ldr(cpu);
  73         apic_write_around(APIC_LDR, val);
  74 }
  75
  76 extern int apic_version [MAX_APICS];
  77 static inline void setup_apic_routing(void)
  78 {
  79         int apic = bios_cpu_apicid[smp_processor_id()];
  80         printk("Enabling APIC mode:  %s.  Using %d I/O APICs, target cpus %lx\n",
  81                 (apic_version[apic] == 0x14) ?
  82                 "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]);
  83 }
  84
  85 static inline int multi_timer_check(int apic, int irq)
  86 {
  87         return 0;
  88 }
  89
  90 static inline int apicid_to_node(int logical_apicid)
  91 {
  92         return 0;
  93 }
  94
  95
  96 static inline int cpu_present_to_apicid(int mps_cpu)
  97 {
  98         if (!mps_cpu)
  99                 return boot_cpu_physical_apicid;
 100         else if (mps_cpu < NR_CPUS)
 101                 return (int) bios_cpu_apicid[mps_cpu];
 102         else
 103                 return BAD_APICID;
 104 }
 105
 106 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
 107 {
 108         static int id = 0;
 109         physid_mask_t mask;
 110         mask = physid_mask_of_physid(id);
 111         ++id;
 112         return mask;
 113 }
 114
 115 extern u8 cpu_2_logical_apicid[];
 116 /* Mapping from cpu number to logical apicid */
 117 static inline int cpu_to_logical_apicid(int cpu)
 118 {
 119 #ifdef CONFIG_SMP
 120        if (cpu >= NR_CPUS)
 121                return BAD_APICID;
 122        return (int)cpu_2_logical_apicid[cpu];
 123 #else
 124         return logical_smp_processor_id();
 125 #endif
 126 }
 127
 128 static inline int mpc_apic_id(struct mpc_config_processor *m, struct mpc_config_translation *unused)
 129 {
 130         printk("Processor #%d %ld:%ld APIC version %d\n",
 131                 m->mpc_apicid,
 132                 (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
 133                 (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
 134                 m->mpc_apicver);
 135         return (m->mpc_apicid);
 136 }
 137
 138 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
 139 {
 140         /* For clustered we don't have a good way to do this yet - hack */
 141         return physids_promote(0xff);
 142 }
 143
 144
 145 static inline void setup_portio_remap(void)
 146 {
 147 }
 148
 149 extern unsigned int boot_cpu_physical_apicid;
 150 static inline int check_phys_apicid_present(int cpu_physical_apicid)
 151 {
 152         boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
 153         return (1);
 154 }
 155
 156 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
 157 {
 158         int num_bits_set;
 159         int cpus_found = 0;
 160         int cpu;
 161         int apicid;
 162
 163         num_bits_set = cpus_weight(cpumask);
 164         /* Return id to all */
 165         if (num_bits_set == NR_CPUS)
 166 #if defined CONFIG_ES7000_CLUSTERED_APIC
 167                 return 0xFF;
 168 #else
 169                 return cpu_to_logical_apicid(0);
 170 #endif
 171         /*
 172          * The cpus in the mask must all be on the apic cluster.  If are not
 173          * on the same apicid cluster return default value of TARGET_CPUS.
 174          */
 175         cpu = first_cpu(cpumask);
 176         apicid = cpu_to_logical_apicid(cpu);
 177         while (cpus_found < num_bits_set) {
 178                 if (cpu_isset(cpu, cpumask)) {
 179                         int new_apicid = cpu_to_logical_apicid(cpu);
 180                         if (apicid_cluster(apicid) !=
 181                                         apicid_cluster(new_apicid)){
 182                                 printk ("%s: Not a valid mask!\n",__FUNCTION__);
 183 #if defined CONFIG_ES7000_CLUSTERED_APIC
 184                                 return 0xFF;
 185 #else
 186                                 return cpu_to_logical_apicid(0);
 187 #endif
 188                         }
 189                         apicid = new_apicid;
 190                         cpus_found++;
 191                 }
 192                 cpu++;
 193         }
 194         return apicid;
 195 }
 196
 197 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
 198 {
 199         return cpuid_apic >> index_msb;
 200 }
 201
 202 #endif /* __ASM_MACH_APIC_H */