Commit | Line | Data |
---|---|---|
d49c4288 YL |
1 | /* |
2 | * APIC driver for the IBM NUMAQ chipset. | |
3 | */ | |
4 | #define APIC_DEFINITION 1 | |
5 | #include <linux/threads.h> | |
6 | #include <linux/cpumask.h> | |
d49c4288 YL |
7 | #include <asm/mpspec.h> |
8 | #include <asm/genapic.h> | |
9 | #include <asm/fixmap.h> | |
10 | #include <asm/apicdef.h> | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/string.h> | |
13 | #include <linux/init.h> | |
edb181ac | 14 | #include <asm/numaq/apicdef.h> |
4696ca5b | 15 | #include <linux/smp.h> |
edb181ac YL |
16 | #include <asm/numaq/apic.h> |
17 | #include <asm/numaq/ipi.h> | |
18 | #include <asm/numaq/mpparse.h> | |
19 | #include <asm/numaq/wakecpu.h> | |
d49c4288 YL |
20 | #include <asm/numaq.h> |
21 | ||
f29521e4 | 22 | static int mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) |
d49c4288 YL |
23 | { |
24 | numaq_mps_oem_check(mpc, oem, productid); | |
25 | return found_numaq; | |
26 | } | |
27 | ||
28 | static int probe_numaq(void) | |
29 | { | |
30 | /* already know from get_memcfg_numaq() */ | |
31 | return found_numaq; | |
32 | } | |
33 | ||
e2d40b18 | 34 | static void numaq_vector_allocation_domain(int cpu, cpumask_t *retmask) |
497c9a19 YL |
35 | { |
36 | /* Careful. Some cpus do not strictly honor the set of cpus | |
37 | * specified in the interrupt destination when using lowest | |
38 | * priority interrupt delivery mode. | |
39 | * | |
40 | * In particular there was a hyperthreading cpu observed to | |
41 | * deliver interrupts to the wrong hyperthread when only one | |
42 | * hyperthread was specified in the interrupt desitination. | |
43 | */ | |
e7986739 | 44 | *retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } }; |
497c9a19 YL |
45 | } |
46 | ||
d83093b5 IM |
47 | static void numaq_setup_portio_remap(void) |
48 | { | |
49 | int num_quads = num_online_nodes(); | |
50 | ||
51 | if (num_quads <= 1) | |
52 | return; | |
53 | ||
54 | printk("Remapping cross-quad port I/O for %d quads\n", num_quads); | |
55 | xquad_portio = ioremap(XQUAD_PORTIO_BASE, num_quads*XQUAD_PORTIO_QUAD); | |
56 | printk("xquad_portio vaddr 0x%08lx, len %08lx\n", | |
57 | (u_long) xquad_portio, (u_long) num_quads*XQUAD_PORTIO_QUAD); | |
58 | } | |
59 | ||
fea3437a IM |
60 | struct genapic apic_numaq = { |
61 | ||
62 | .name = "NUMAQ", | |
63 | .probe = probe_numaq, | |
306db03b | 64 | .acpi_madt_oem_check = NULL, |
7ed248da | 65 | .apic_id_registered = numaq_apic_id_registered, |
fea3437a | 66 | |
1b1bcb3f IM |
67 | .irq_delivery_mode = dest_LowestPrio, |
68 | /* physical delivery on LOCAL quad: */ | |
69 | .irq_dest_mode = 0, | |
fea3437a | 70 | |
0a9cc20b | 71 | .target_cpus = numaq_target_cpus, |
08125d3e | 72 | .disable_esr = 1, |
bdb1a9b6 | 73 | .dest_logical = APIC_DEST_LOGICAL, |
d1d7cae8 IM |
74 | .check_apicid_used = numaq_check_apicid_used, |
75 | .check_apicid_present = numaq_check_apicid_present, | |
fea3437a | 76 | |
e2d40b18 | 77 | .vector_allocation_domain = numaq_vector_allocation_domain, |
a5c43296 | 78 | .init_apic_ldr = numaq_init_apic_ldr, |
fea3437a | 79 | |
d190cb87 | 80 | .ioapic_phys_id_map = numaq_ioapic_phys_id_map, |
72ce0165 | 81 | .setup_apic_routing = numaq_setup_apic_routing, |
33a201fa | 82 | .multi_timer_check = numaq_multi_timer_check, |
3f57a318 | 83 | .apicid_to_node = numaq_apicid_to_node, |
5257c511 | 84 | .cpu_to_logical_apicid = numaq_cpu_to_logical_apicid, |
a21769a4 | 85 | .cpu_present_to_apicid = numaq_cpu_present_to_apicid, |
8058714a | 86 | .apicid_to_cpu_present = numaq_apicid_to_cpu_present, |
d83093b5 | 87 | .setup_portio_remap = numaq_setup_portio_remap, |
a27a6210 | 88 | .check_phys_apicid_present = numaq_check_phys_apicid_present, |
fea3437a IM |
89 | .enable_apic_mode = enable_apic_mode, |
90 | .phys_pkg_id = phys_pkg_id, | |
91 | .mps_oem_check = mps_oem_check, | |
92 | ||
93 | .get_apic_id = get_apic_id, | |
94 | .set_apic_id = NULL, | |
95 | .apic_id_mask = APIC_ID_MASK, | |
96 | ||
97 | .cpu_mask_to_apicid = cpu_mask_to_apicid, | |
98 | .cpu_mask_to_apicid_and = cpu_mask_to_apicid_and, | |
99 | ||
100 | .send_IPI_mask = send_IPI_mask, | |
101 | .send_IPI_mask_allbutself = NULL, | |
102 | .send_IPI_allbutself = send_IPI_allbutself, | |
103 | .send_IPI_all = send_IPI_all, | |
104 | .send_IPI_self = NULL, | |
105 | ||
106 | .wakeup_cpu = NULL, | |
107 | .trampoline_phys_low = TRAMPOLINE_PHYS_LOW, | |
108 | .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH, | |
109 | .wait_for_init_deassert = wait_for_init_deassert, | |
110 | .smp_callin_clear_local_apic = smp_callin_clear_local_apic, | |
111 | .store_NMI_vector = store_NMI_vector, | |
112 | .restore_NMI_vector = restore_NMI_vector, | |
113 | .inquire_remote_apic = inquire_remote_apic, | |
114 | }; |