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 void es7000_sw_apic(void);
  77 static inline void enable_apic_mode(void)
  78 {
  79         es7000_sw_apic();
  80         return;
  81 }
  82
  83 extern int apic_version [MAX_APICS];
  84 static inline void clustered_apic_check(void)
  85 {
  86         int apic = bios_cpu_apicid[smp_processor_id()];
  87         printk("Enabling APIC mode:  %s.  Using %d I/O APICs, target cpus %lx\n",
  88                 (apic_version[apic] == 0x14) ?
  89                 "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]);
  90 }
  91
  92 static inline int multi_timer_check(int apic, int irq)
  93 {
  94         return 0;
  95 }
  96
  97 static inline int apicid_to_node(int logical_apicid)
  98 {
  99         return 0;
 100 }
 101
 102
 103 static inline int cpu_present_to_apicid(int mps_cpu)
 104 {
 105         if (!mps_cpu)
 106                 return boot_cpu_physical_apicid;
 107         else if (mps_cpu < NR_CPUS)
 108                 return (int) bios_cpu_apicid[mps_cpu];
 109         else
 110                 return BAD_APICID;
 111 }
 112
 113 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
 114 {
 115         static int id = 0;
 116         physid_mask_t mask;
 117         mask = physid_mask_of_physid(id);
 118         ++id;
 119         return mask;
 120 }
 121
 122 extern u8 cpu_2_logical_apicid[];
 123 /* Mapping from cpu number to logical apicid */
 124 static inline int cpu_to_logical_apicid(int cpu)
 125 {
 126        if (cpu >= NR_CPUS)
 127                return BAD_APICID;
 128        return (int)cpu_2_logical_apicid[cpu];
 129 }
 130
 131 static inline int mpc_apic_id(struct mpc_config_processor *m, struct mpc_config_translation *unused)
 132 {
 133         printk("Processor #%d %ld:%ld APIC version %d\n",
 134                 m->mpc_apicid,
 135                 (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
 136                 (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
 137                 m->mpc_apicver);
 138         return (m->mpc_apicid);
 139 }
 140
 141 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
 142 {
 143         /* For clustered we don't have a good way to do this yet - hack */
 144         return physids_promote(0xff);
 145 }
 146
 147
 148 static inline void setup_portio_remap(void)
 149 {
 150 }
 151
 152 extern unsigned int boot_cpu_physical_apicid;
 153 static inline int check_phys_apicid_present(int cpu_physical_apicid)
 154 {
 155         boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
 156         return (1);
 157 }
 158
 159 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
 160 {
 161         int num_bits_set;
 162         int cpus_found = 0;
 163         int cpu;
 164         int apicid;
 165
 166         num_bits_set = cpus_weight(cpumask);
 167         /* Return id to all */
 168         if (num_bits_set == NR_CPUS)
 169 #if defined CONFIG_ES7000_CLUSTERED_APIC
 170                 return 0xFF;
 171 #else
 172                 return cpu_to_logical_apicid(0);
 173 #endif
 174         /*
 175          * The cpus in the mask must all be on the apic cluster.  If are not
 176          * on the same apicid cluster return default value of TARGET_CPUS.
 177          */
 178         cpu = first_cpu(cpumask);
 179         apicid = cpu_to_logical_apicid(cpu);
 180         while (cpus_found < num_bits_set) {
 181                 if (cpu_isset(cpu, cpumask)) {
 182                         int new_apicid = cpu_to_logical_apicid(cpu);
 183                         if (apicid_cluster(apicid) !=
 184                                         apicid_cluster(new_apicid)){
 185                                 printk ("%s: Not a valid mask!\n",__FUNCTION__);
 186 #if defined CONFIG_ES7000_CLUSTERED_APIC
 187                                 return 0xFF;
 188 #else
 189                                 return cpu_to_logical_apicid(0);
 190 #endif
 191                         }
 192                         apicid = new_apicid;
 193                         cpus_found++;
 194                 }
 195                 cpu++;
 196         }
 197         return apicid;
 198 }
 199
 200 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
 201 {
 202         return cpuid_apic >> index_msb;
 203 }
 204
 205 #endif /* __ASM_MACH_APIC_H */