1 #ifndef __ASM_MACH_APIC_H
2 #define __ASM_MACH_APIC_H
4 extern u8 bios_cpu_apicid[];
6 #define xapic_phys_to_log_apicid(cpu) (bios_cpu_apicid[cpu])
7 #define esr_disable (1)
9 static inline int apic_id_registered(void)
14 static inline cpumask_t target_cpus(void)
16 #if defined CONFIG_ES7000_CLUSTERED_APIC
19 return cpumask_of_cpu(smp_processor_id());
22 #define TARGET_CPUS (target_cpus())
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
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
41 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
45 static inline unsigned long check_apicid_present(int bit)
47 return physid_isset(bit, phys_cpu_present_map);
50 #define apicid_cluster(apicid) (apicid & 0xF0)
52 static inline unsigned long calculate_ldr(int cpu)
55 id = xapic_phys_to_log_apicid(cpu);
56 return (SET_APIC_LOGICAL_ID(id));
60 * Set up the logical destination ID.
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...
66 static inline void init_apic_ldr(void)
69 int cpu = smp_processor_id();
71 apic_write_around(APIC_DFR, APIC_DFR_VALUE);
72 val = calculate_ldr(cpu);
73 apic_write_around(APIC_LDR, val);
76 extern void es7000_sw_apic(void);
77 static inline void enable_apic_mode(void)
83 extern int apic_version [MAX_APICS];
84 static inline void clustered_apic_check(void)
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]);
92 static inline int multi_timer_check(int apic, int irq)
97 static inline int apicid_to_node(int logical_apicid)
103 static inline int cpu_present_to_apicid(int mps_cpu)
106 return boot_cpu_physical_apicid;
107 else if (mps_cpu < NR_CPUS)
108 return (int) bios_cpu_apicid[mps_cpu];
113 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
117 mask = physid_mask_of_physid(id);
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)
129 return (int)cpu_2_logical_apicid[cpu];
131 return logical_smp_processor_id();
135 static inline int mpc_apic_id(struct mpc_config_processor *m, struct mpc_config_translation *unused)
137 printk("Processor #%d %ld:%ld APIC version %d\n",
139 (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
140 (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
142 return (m->mpc_apicid);
145 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
147 /* For clustered we don't have a good way to do this yet - hack */
148 return physids_promote(0xff);
152 static inline void setup_portio_remap(void)
156 extern unsigned int boot_cpu_physical_apicid;
157 static inline int check_phys_apicid_present(int cpu_physical_apicid)
159 boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
163 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
170 num_bits_set = cpus_weight(cpumask);
171 /* Return id to all */
172 if (num_bits_set == NR_CPUS)
173 #if defined CONFIG_ES7000_CLUSTERED_APIC
176 return cpu_to_logical_apicid(0);
179 * The cpus in the mask must all be on the apic cluster. If are not
180 * on the same apicid cluster return default value of TARGET_CPUS.
182 cpu = first_cpu(cpumask);
183 apicid = cpu_to_logical_apicid(cpu);
184 while (cpus_found < num_bits_set) {
185 if (cpu_isset(cpu, cpumask)) {
186 int new_apicid = cpu_to_logical_apicid(cpu);
187 if (apicid_cluster(apicid) !=
188 apicid_cluster(new_apicid)){
189 printk ("%s: Not a valid mask!\n",__FUNCTION__);
190 #if defined CONFIG_ES7000_CLUSTERED_APIC
193 return cpu_to_logical_apicid(0);
204 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
206 return cpuid_apic >> index_msb;
209 #endif /* __ASM_MACH_APIC_H */