Commit | Line | Data |
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edb181ac YL |
1 | #ifndef __ASM_NUMAQ_APIC_H |
2 | #define __ASM_NUMAQ_APIC_H | |
1da177e4 LT |
3 | |
4 | #include <asm/io.h> | |
5 | #include <linux/mmzone.h> | |
6 | #include <linux/nodemask.h> | |
7 | ||
8 | #define APIC_DFR_VALUE (APIC_DFR_CLUSTER) | |
9 | ||
e7986739 | 10 | static inline const cpumask_t *target_cpus(void) |
1da177e4 | 11 | { |
e7986739 | 12 | return &CPU_MASK_ALL; |
1da177e4 LT |
13 | } |
14 | ||
1da177e4 LT |
15 | #define NO_BALANCE_IRQ (1) |
16 | #define esr_disable (1) | |
17 | ||
1da177e4 LT |
18 | #define INT_DELIVERY_MODE dest_LowestPrio |
19 | #define INT_DEST_MODE 0 /* physical delivery on LOCAL quad */ | |
20 | ||
d49c4288 YL |
21 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) |
22 | { | |
23 | return physid_isset(apicid, bitmap); | |
24 | } | |
25 | static inline unsigned long check_apicid_present(int bit) | |
26 | { | |
27 | return physid_isset(bit, phys_cpu_present_map); | |
28 | } | |
1da177e4 LT |
29 | #define apicid_cluster(apicid) (apicid & 0xF0) |
30 | ||
31 | static inline int apic_id_registered(void) | |
32 | { | |
33 | return 1; | |
34 | } | |
35 | ||
36 | static inline void init_apic_ldr(void) | |
37 | { | |
38 | /* Already done in NUMA-Q firmware */ | |
39 | } | |
40 | ||
3c43f039 | 41 | static inline void setup_apic_routing(void) |
1da177e4 LT |
42 | { |
43 | printk("Enabling APIC mode: %s. Using %d I/O APICs\n", | |
44 | "NUMA-Q", nr_ioapics); | |
45 | } | |
46 | ||
47 | /* | |
48 | * Skip adding the timer int on secondary nodes, which causes | |
49 | * a small but painful rift in the time-space continuum. | |
50 | */ | |
51 | static inline int multi_timer_check(int apic, int irq) | |
52 | { | |
53 | return apic != 0 && irq == 0; | |
54 | } | |
55 | ||
56 | static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) | |
57 | { | |
58 | /* We don't have a good way to do this yet - hack */ | |
59 | return physids_promote(0xFUL); | |
60 | } | |
61 | ||
62 | /* Mapping from cpu number to logical apicid */ | |
63 | extern u8 cpu_2_logical_apicid[]; | |
64 | static inline int cpu_to_logical_apicid(int cpu) | |
65 | { | |
9628937d MT |
66 | if (cpu >= nr_cpu_ids) |
67 | return BAD_APICID; | |
1da177e4 LT |
68 | return (int)cpu_2_logical_apicid[cpu]; |
69 | } | |
70 | ||
71 | /* | |
72 | * Supporting over 60 cpus on NUMA-Q requires a locality-dependent | |
73 | * cpu to APIC ID relation to properly interact with the intelligent | |
74 | * mode of the cluster controller. | |
75 | */ | |
76 | static inline int cpu_present_to_apicid(int mps_cpu) | |
77 | { | |
78 | if (mps_cpu < 60) | |
79 | return ((mps_cpu >> 2) << 4) | (1 << (mps_cpu & 0x3)); | |
80 | else | |
81 | return BAD_APICID; | |
82 | } | |
83 | ||
1da177e4 LT |
84 | static inline int apicid_to_node(int logical_apicid) |
85 | { | |
86 | return logical_apicid >> 4; | |
87 | } | |
88 | ||
89 | static inline physid_mask_t apicid_to_cpu_present(int logical_apicid) | |
90 | { | |
91 | int node = apicid_to_node(logical_apicid); | |
92 | int cpu = __ffs(logical_apicid & 0xf); | |
93 | ||
94 | return physid_mask_of_physid(cpu + 4*node); | |
95 | } | |
96 | ||
c7e844f0 AK |
97 | extern void *xquad_portio; |
98 | ||
1da177e4 LT |
99 | static inline void setup_portio_remap(void) |
100 | { | |
101 | int num_quads = num_online_nodes(); | |
102 | ||
103 | if (num_quads <= 1) | |
104 | return; | |
105 | ||
106 | printk("Remapping cross-quad port I/O for %d quads\n", num_quads); | |
107 | xquad_portio = ioremap(XQUAD_PORTIO_BASE, num_quads*XQUAD_PORTIO_QUAD); | |
108 | printk("xquad_portio vaddr 0x%08lx, len %08lx\n", | |
109 | (u_long) xquad_portio, (u_long) num_quads*XQUAD_PORTIO_QUAD); | |
110 | } | |
111 | ||
112 | static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) | |
113 | { | |
114 | return (1); | |
115 | } | |
116 | ||
117 | static inline void enable_apic_mode(void) | |
118 | { | |
119 | } | |
120 | ||
121 | /* | |
122 | * We use physical apicids here, not logical, so just return the default | |
123 | * physical broadcast to stop people from breaking us | |
124 | */ | |
e7986739 | 125 | static inline unsigned int cpu_mask_to_apicid(const cpumask_t *cpumask) |
1da177e4 LT |
126 | { |
127 | return (int) 0xF; | |
128 | } | |
129 | ||
6eeb7c5a MT |
130 | static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *cpumask, |
131 | const struct cpumask *andmask) | |
95d313cf MT |
132 | { |
133 | return (int) 0xF; | |
134 | } | |
135 | ||
1da177e4 LT |
136 | /* No NUMA-Q box has a HT CPU, but it can't hurt to use the default code. */ |
137 | static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) | |
138 | { | |
139 | return cpuid_apic >> index_msb; | |
140 | } | |
141 | ||
edb181ac | 142 | #endif /* __ASM_NUMAQ_APIC_H */ |