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(bios_cpu_apicid[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 #define APIC_BROADCAST_ID (0xff)
42 #define NO_IOAPIC_CHECK (0)
44 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
48 static inline unsigned long check_apicid_present(int bit)
50 return physid_isset(bit, phys_cpu_present_map);
53 #define apicid_cluster(apicid) (apicid & 0xF0)
55 static inline unsigned long calculate_ldr(int cpu)
58 id = xapic_phys_to_log_apicid(cpu);
59 return (SET_APIC_LOGICAL_ID(id));
63 * Set up the logical destination ID.
65 * Intel recommends to set DFR, LdR and TPR before enabling
66 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
67 * document number 292116). So here it goes...
69 static inline void init_apic_ldr(void)
72 int cpu = smp_processor_id();
74 apic_write_around(APIC_DFR, APIC_DFR_VALUE);
75 val = calculate_ldr(cpu);
76 apic_write_around(APIC_LDR, val);
79 extern void es7000_sw_apic(void);
80 static inline void enable_apic_mode(void)
86 extern int apic_version [MAX_APICS];
87 static inline void clustered_apic_check(void)
89 int apic = bios_cpu_apicid[smp_processor_id()];
90 printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
91 (apic_version[apic] == 0x14) ?
92 "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_coerce(TARGET_CPUS));
95 static inline int multi_timer_check(int apic, int irq)
100 static inline int apicid_to_node(int logical_apicid)
106 static inline int cpu_present_to_apicid(int mps_cpu)
109 return boot_cpu_physical_apicid;
110 else if (mps_cpu < NR_CPUS)
111 return (int) bios_cpu_apicid[mps_cpu];
116 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
120 mask = physid_mask_of_physid(id);
125 extern u8 cpu_2_logical_apicid[];
126 /* Mapping from cpu number to logical apicid */
127 static inline int cpu_to_logical_apicid(int cpu)
131 return (int)cpu_2_logical_apicid[cpu];
134 static inline int mpc_apic_id(struct mpc_config_processor *m, struct mpc_config_translation *unused)
136 printk("Processor #%d %ld:%ld APIC version %d\n",
138 (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
139 (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
141 return (m->mpc_apicid);
144 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
146 /* For clustered we don't have a good way to do this yet - hack */
147 return physids_promote(0xff);
151 static inline void setup_portio_remap(void)
155 extern unsigned int boot_cpu_physical_apicid;
156 static inline int check_phys_apicid_present(int cpu_physical_apicid)
158 boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
162 static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
169 num_bits_set = cpus_weight_const(cpumask);
170 /* Return id to all */
171 if (num_bits_set == NR_CPUS)
174 * The cpus in the mask must all be on the apic cluster. If are not
175 * on the same apicid cluster return default value of TARGET_CPUS.
177 cpu = first_cpu_const(cpumask);
178 apicid = cpu_to_logical_apicid(cpu);
179 while (cpus_found < num_bits_set) {
180 if (cpu_isset_const(cpu, cpumask)) {
181 int new_apicid = cpu_to_logical_apicid(cpu);
182 if (apicid_cluster(apicid) !=
183 apicid_cluster(new_apicid)){
184 printk ("%s: Not a valid mask!\n",__FUNCTION__);
195 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
197 return cpuid_apic >> index_msb;
200 #endif /* __ASM_MACH_APIC_H */