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 #define NO_IOAPIC_CHECK (1)
  42
  43 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
  44 {
  45         return 0;
  46 }
  47 static inline unsigned long check_apicid_present(int bit)
  48 {
  49         return physid_isset(bit, phys_cpu_present_map);
  50 }
  51
  52 #define apicid_cluster(apicid) (apicid & 0xF0)
  53
  54 static inline unsigned long calculate_ldr(int cpu)
  55 {
  56         unsigned long id;
  57         id = xapic_phys_to_log_apicid(cpu);
  58         return (SET_APIC_LOGICAL_ID(id));
  59 }
  60
  61 /*
  62  * Set up the logical destination ID.
  63  *
  64  * Intel recommends to set DFR, LdR and TPR before enabling
  65  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
  66  * document number 292116).  So here it goes...
  67  */
  68 static inline void init_apic_ldr(void)
  69 {
  70         unsigned long val;
  71         int cpu = smp_processor_id();
  72
  73         apic_write_around(APIC_DFR, APIC_DFR_VALUE);
  74         val = calculate_ldr(cpu);
  75         apic_write_around(APIC_LDR, val);
  76 }
  77
  78 extern void es7000_sw_apic(void);
  79 static inline void enable_apic_mode(void)
  80 {
  81         es7000_sw_apic();
  82         return;
  83 }
  84
  85 extern int apic_version [MAX_APICS];
  86 static inline void clustered_apic_check(void)
  87 {
  88         int apic = bios_cpu_apicid[smp_processor_id()];
  89         printk("Enabling APIC mode:  %s.  Using %d I/O APICs, target cpus %lx\n",
  90                 (apic_version[apic] == 0x14) ?
  91                 "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]);
  92 }
  93
  94 static inline int multi_timer_check(int apic, int irq)
  95 {
  96         return 0;
  97 }
  98
  99 static inline int apicid_to_node(int logical_apicid)
 100 {
 101         return 0;
 102 }
 103
 104
 105 static inline int cpu_present_to_apicid(int mps_cpu)
 106 {
 107         if (!mps_cpu)
 108                 return boot_cpu_physical_apicid;
 109         else if (mps_cpu < NR_CPUS)
 110                 return (int) bios_cpu_apicid[mps_cpu];
 111         else
 112                 return BAD_APICID;
 113 }
 114
 115 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
 116 {
 117         static int id = 0;
 118         physid_mask_t mask;
 119         mask = physid_mask_of_physid(id);
 120         ++id;
 121         return mask;
 122 }
 123
 124 extern u8 cpu_2_logical_apicid[];
 125 /* Mapping from cpu number to logical apicid */
 126 static inline int cpu_to_logical_apicid(int cpu)
 127 {
 128        if (cpu >= NR_CPUS)
 129                return BAD_APICID;
 130        return (int)cpu_2_logical_apicid[cpu];
 131 }
 132
 133 static inline int mpc_apic_id(struct mpc_config_processor *m, struct mpc_config_translation *unused)
 134 {
 135         printk("Processor #%d %ld:%ld APIC version %d\n",
 136                 m->mpc_apicid,
 137                 (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
 138                 (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
 139                 m->mpc_apicver);
 140         return (m->mpc_apicid);
 141 }
 142
 143 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
 144 {
 145         /* For clustered we don't have a good way to do this yet - hack */
 146         return physids_promote(0xff);
 147 }
 148
 149
 150 static inline void setup_portio_remap(void)
 151 {
 152 }
 153
 154 extern unsigned int boot_cpu_physical_apicid;
 155 static inline int check_phys_apicid_present(int cpu_physical_apicid)
 156 {
 157         boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
 158         return (1);
 159 }
 160
 161 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
 162 {
 163         int num_bits_set;
 164         int cpus_found = 0;
 165         int cpu;
 166         int apicid;
 167
 168         num_bits_set = cpus_weight(cpumask);
 169         /* Return id to all */
 170         if (num_bits_set == NR_CPUS)
 171 #if defined CONFIG_ES7000_CLUSTERED_APIC
 172                 return 0xFF;
 173 #else
 174                 return cpu_to_logical_apicid(0);
 175 #endif
 176         /*
 177          * The cpus in the mask must all be on the apic cluster.  If are not
 178          * on the same apicid cluster return default value of TARGET_CPUS.
 179          */
 180         cpu = first_cpu(cpumask);
 181         apicid = cpu_to_logical_apicid(cpu);
 182         while (cpus_found < num_bits_set) {
 183                 if (cpu_isset(cpu, cpumask)) {
 184                         int new_apicid = cpu_to_logical_apicid(cpu);
 185                         if (apicid_cluster(apicid) !=
 186                                         apicid_cluster(new_apicid)){
 187                                 printk ("%s: Not a valid mask!\n",__FUNCTION__);
 188 #if defined CONFIG_ES7000_CLUSTERED_APIC
 189                                 return 0xFF;
 190 #else
 191                                 return cpu_to_logical_apicid(0);
 192 #endif
 193                         }
 194                         apicid = new_apicid;
 195                         cpus_found++;
 196                 }
 197                 cpu++;
 198         }
 199         return apicid;
 200 }
 201
 202 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
 203 {
 204         return cpuid_apic >> index_msb;
 205 }
 206
 207 #endif /* __ASM_MACH_APIC_H */