1 #ifndef __ASM_ES7000_APIC_H
2 #define __ASM_ES7000_APIC_H
4 #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu)
5 #define esr_disable (1)
7 static inline int apic_id_registered(void)
12 static inline cpumask_t target_cpus(void)
14 #if defined CONFIG_ES7000_CLUSTERED_APIC
17 return cpumask_of_cpu(smp_processor_id());
21 #if defined CONFIG_ES7000_CLUSTERED_APIC
22 #define APIC_DFR_VALUE (APIC_DFR_CLUSTER)
23 #define INT_DELIVERY_MODE (dest_LowestPrio)
24 #define INT_DEST_MODE (1) /* logical delivery broadcast to all procs */
25 #define NO_BALANCE_IRQ (1)
26 #undef WAKE_SECONDARY_VIA_INIT
27 #define WAKE_SECONDARY_VIA_MIP
29 #define APIC_DFR_VALUE (APIC_DFR_FLAT)
30 #define INT_DELIVERY_MODE (dest_Fixed)
31 #define INT_DEST_MODE (0) /* phys delivery to target procs */
32 #define NO_BALANCE_IRQ (0)
33 #undef APIC_DEST_LOGICAL
34 #define APIC_DEST_LOGICAL 0x0
35 #define WAKE_SECONDARY_VIA_INIT
38 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
42 static inline unsigned long check_apicid_present(int bit)
44 return physid_isset(bit, phys_cpu_present_map);
47 #define apicid_cluster(apicid) (apicid & 0xF0)
49 static inline unsigned long calculate_ldr(int cpu)
52 id = xapic_phys_to_log_apicid(cpu);
53 return (SET_APIC_LOGICAL_ID(id));
57 * Set up the logical destination ID.
59 * Intel recommends to set DFR, LdR and TPR before enabling
60 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
61 * document number 292116). So here it goes...
63 static inline void init_apic_ldr(void)
66 int cpu = smp_processor_id();
68 apic_write(APIC_DFR, APIC_DFR_VALUE);
69 val = calculate_ldr(cpu);
70 apic_write(APIC_LDR, val);
73 #ifndef CONFIG_X86_GENERICARCH
74 extern void enable_apic_mode(void);
77 extern int apic_version [MAX_APICS];
78 static inline void setup_apic_routing(void)
80 int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
81 printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
82 (apic_version[apic] == 0x14) ?
83 "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(target_cpus())[0]);
86 static inline int multi_timer_check(int apic, int irq)
91 static inline int apicid_to_node(int logical_apicid)
97 static inline int cpu_present_to_apicid(int mps_cpu)
100 return boot_cpu_physical_apicid;
101 else if (mps_cpu < NR_CPUS)
102 return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
107 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
111 mask = physid_mask_of_physid(id);
116 extern u8 cpu_2_logical_apicid[];
117 /* Mapping from cpu number to logical apicid */
118 static inline int cpu_to_logical_apicid(int cpu)
123 return (int)cpu_2_logical_apicid[cpu];
125 return logical_smp_processor_id();
129 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
131 /* For clustered we don't have a good way to do this yet - hack */
132 return physids_promote(0xff);
136 static inline void setup_portio_remap(void)
140 extern unsigned int boot_cpu_physical_apicid;
141 static inline int check_phys_apicid_present(int cpu_physical_apicid)
143 boot_cpu_physical_apicid = read_apic_id();
147 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
154 num_bits_set = cpus_weight(cpumask);
155 /* Return id to all */
156 if (num_bits_set == NR_CPUS)
157 #if defined CONFIG_ES7000_CLUSTERED_APIC
160 return cpu_to_logical_apicid(0);
163 * The cpus in the mask must all be on the apic cluster. If are not
164 * on the same apicid cluster return default value of TARGET_CPUS.
166 cpu = first_cpu(cpumask);
167 apicid = cpu_to_logical_apicid(cpu);
168 while (cpus_found < num_bits_set) {
169 if (cpu_isset(cpu, cpumask)) {
170 int new_apicid = cpu_to_logical_apicid(cpu);
171 if (apicid_cluster(apicid) !=
172 apicid_cluster(new_apicid)){
173 printk ("%s: Not a valid mask!\n", __func__);
174 #if defined CONFIG_ES7000_CLUSTERED_APIC
177 return cpu_to_logical_apicid(0);
188 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
190 return cpuid_apic >> index_msb;
193 #endif /* __ASM_ES7000_APIC_H */