diff options
Diffstat (limited to 'arch/x86/include/asm/es7000/apic.h')
-rw-r--r-- | arch/x86/include/asm/es7000/apic.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/arch/x86/include/asm/es7000/apic.h b/arch/x86/include/asm/es7000/apic.h new file mode 100644 index 00000000000..380f0b4f17e --- /dev/null +++ b/arch/x86/include/asm/es7000/apic.h | |||
@@ -0,0 +1,193 @@ | |||
1 | #ifndef __ASM_ES7000_APIC_H | ||
2 | #define __ASM_ES7000_APIC_H | ||
3 | |||
4 | #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu) | ||
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) | ||
13 | { | ||
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 | } | ||
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 */ | ||
25 | #define NO_BALANCE_IRQ (1) | ||
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 */ | ||
32 | #define NO_BALANCE_IRQ (0) | ||
33 | #undef APIC_DEST_LOGICAL | ||
34 | #define APIC_DEST_LOGICAL 0x0 | ||
35 | #define WAKE_SECONDARY_VIA_INIT | ||
36 | #endif | ||
37 | |||
38 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) | ||
39 | { | ||
40 | return 0; | ||
41 | } | ||
42 | static inline unsigned long check_apicid_present(int bit) | ||
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 | |||
68 | apic_write(APIC_DFR, APIC_DFR_VALUE); | ||
69 | val = calculate_ldr(cpu); | ||
70 | apic_write(APIC_LDR, val); | ||
71 | } | ||
72 | |||
73 | #ifndef CONFIG_X86_GENERICARCH | ||
74 | extern void enable_apic_mode(void); | ||
75 | #endif | ||
76 | |||
77 | extern int apic_version [MAX_APICS]; | ||
78 | static inline void setup_apic_routing(void) | ||
79 | { | ||
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]); | ||
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) | ||
102 | return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu); | ||
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 | { | ||
120 | #ifdef CONFIG_SMP | ||
121 | if (cpu >= NR_CPUS) | ||
122 | return BAD_APICID; | ||
123 | return (int)cpu_2_logical_apicid[cpu]; | ||
124 | #else | ||
125 | return logical_smp_processor_id(); | ||
126 | #endif | ||
127 | } | ||
128 | |||
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 | { | ||
143 | boot_cpu_physical_apicid = read_apic_id(); | ||
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; | ||
152 | int apicid; | ||
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 | ||
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. | ||
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); | ||
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 | ||
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 | |||
193 | #endif /* __ASM_ES7000_APIC_H */ | ||