Commit | Line | Data |
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c7e7964c YL |
1 | #ifndef __ASM_ES7000_APIC_H |
2 | #define __ASM_ES7000_APIC_H | |
1da177e4 | 3 | |
cbe879fc | 4 | #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu) |
1da177e4 LT |
5 | #define esr_disable (1) |
6 | ||
7 | static inline int apic_id_registered(void) | |
8 | { | |
9 | return (1); | |
10 | } | |
11 | ||
12 | static inline cpumask_t target_cpus(void) | |
c7e7964c | 13 | { |
1da177e4 LT |
14 | #if defined CONFIG_ES7000_CLUSTERED_APIC |
15 | return CPU_MASK_ALL; | |
16 | #else | |
17 | return cpumask_of_cpu(smp_processor_id()); | |
18 | #endif | |
19 | } | |
1da177e4 LT |
20 | |
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 */ | |
c7e7964c | 25 | #define NO_BALANCE_IRQ (1) |
1da177e4 LT |
26 | #undef WAKE_SECONDARY_VIA_INIT |
27 | #define WAKE_SECONDARY_VIA_MIP | |
28 | #else | |
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 */ | |
c7e7964c | 32 | #define NO_BALANCE_IRQ (0) |
1da177e4 LT |
33 | #undef APIC_DEST_LOGICAL |
34 | #define APIC_DEST_LOGICAL 0x0 | |
35 | #define WAKE_SECONDARY_VIA_INIT | |
36 | #endif | |
37 | ||
1da177e4 | 38 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) |
c7e7964c | 39 | { |
1da177e4 | 40 | return 0; |
c7e7964c YL |
41 | } |
42 | static inline unsigned long check_apicid_present(int bit) | |
1da177e4 LT |
43 | { |
44 | return physid_isset(bit, phys_cpu_present_map); | |
45 | } | |
46 | ||
47 | #define apicid_cluster(apicid) (apicid & 0xF0) | |
48 | ||
49 | static inline unsigned long calculate_ldr(int cpu) | |
50 | { | |
51 | unsigned long id; | |
52 | id = xapic_phys_to_log_apicid(cpu); | |
53 | return (SET_APIC_LOGICAL_ID(id)); | |
54 | } | |
55 | ||
56 | /* | |
57 | * Set up the logical destination ID. | |
58 | * | |
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... | |
62 | */ | |
63 | static inline void init_apic_ldr(void) | |
64 | { | |
65 | unsigned long val; | |
66 | int cpu = smp_processor_id(); | |
67 | ||
593f4a78 | 68 | apic_write(APIC_DFR, APIC_DFR_VALUE); |
1da177e4 | 69 | val = calculate_ldr(cpu); |
593f4a78 | 70 | apic_write(APIC_LDR, val); |
1da177e4 LT |
71 | } |
72 | ||
071922c0 VG |
73 | #ifndef CONFIG_X86_GENERICARCH |
74 | extern void enable_apic_mode(void); | |
75 | #endif | |
76 | ||
1da177e4 | 77 | extern int apic_version [MAX_APICS]; |
3c43f039 | 78 | static inline void setup_apic_routing(void) |
1da177e4 | 79 | { |
cbe879fc | 80 | int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id()); |
1da177e4 | 81 | printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", |
c7e7964c | 82 | (apic_version[apic] == 0x14) ? |
497c9a19 | 83 | "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(target_cpus())[0]); |
1da177e4 LT |
84 | } |
85 | ||
86 | static inline int multi_timer_check(int apic, int irq) | |
87 | { | |
88 | return 0; | |
89 | } | |
90 | ||
91 | static inline int apicid_to_node(int logical_apicid) | |
92 | { | |
93 | return 0; | |
94 | } | |
95 | ||
96 | ||
97 | static inline int cpu_present_to_apicid(int mps_cpu) | |
98 | { | |
99 | if (!mps_cpu) | |
100 | return boot_cpu_physical_apicid; | |
101 | else if (mps_cpu < NR_CPUS) | |
cbe879fc | 102 | return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu); |
1da177e4 LT |
103 | else |
104 | return BAD_APICID; | |
105 | } | |
106 | ||
107 | static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) | |
108 | { | |
109 | static int id = 0; | |
110 | physid_mask_t mask; | |
111 | mask = physid_mask_of_physid(id); | |
112 | ++id; | |
113 | return mask; | |
114 | } | |
115 | ||
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) | |
119 | { | |
874c4fe3 | 120 | #ifdef CONFIG_SMP |
1da177e4 LT |
121 | if (cpu >= NR_CPUS) |
122 | return BAD_APICID; | |
123 | return (int)cpu_2_logical_apicid[cpu]; | |
874c4fe3 AK |
124 | #else |
125 | return logical_smp_processor_id(); | |
126 | #endif | |
1da177e4 LT |
127 | } |
128 | ||
1da177e4 LT |
129 | static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) |
130 | { | |
131 | /* For clustered we don't have a good way to do this yet - hack */ | |
132 | return physids_promote(0xff); | |
133 | } | |
134 | ||
135 | ||
136 | static inline void setup_portio_remap(void) | |
137 | { | |
138 | } | |
139 | ||
140 | extern unsigned int boot_cpu_physical_apicid; | |
141 | static inline int check_phys_apicid_present(int cpu_physical_apicid) | |
142 | { | |
4c9961d5 | 143 | boot_cpu_physical_apicid = read_apic_id(); |
1da177e4 LT |
144 | return (1); |
145 | } | |
146 | ||
147 | static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) | |
148 | { | |
149 | int num_bits_set; | |
150 | int cpus_found = 0; | |
151 | int cpu; | |
c7e7964c | 152 | int apicid; |
1da177e4 LT |
153 | |
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 | |
158 | return 0xFF; | |
159 | #else | |
160 | return cpu_to_logical_apicid(0); | |
161 | #endif | |
c7e7964c YL |
162 | /* |
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. | |
1da177e4 LT |
165 | */ |
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); | |
c7e7964c | 171 | if (apicid_cluster(apicid) != |
1da177e4 LT |
172 | apicid_cluster(new_apicid)){ |
173 | printk ("%s: Not a valid mask!\n",__FUNCTION__); | |
174 | #if defined CONFIG_ES7000_CLUSTERED_APIC | |
175 | return 0xFF; | |
176 | #else | |
177 | return cpu_to_logical_apicid(0); | |
178 | #endif | |
179 | } | |
180 | apicid = new_apicid; | |
181 | cpus_found++; | |
182 | } | |
183 | cpu++; | |
184 | } | |
185 | return apicid; | |
186 | } | |
187 | ||
188 | static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) | |
189 | { | |
190 | return cpuid_apic >> index_msb; | |
191 | } | |
192 | ||
c7e7964c | 193 | #endif /* __ASM_ES7000_APIC_H */ |