2 * APIC driver for the IBM NUMAQ chipset.
4 #define APIC_DEFINITION 1
5 #include <linux/threads.h>
6 #include <linux/cpumask.h>
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>
14 #include <asm/numaq/apicdef.h>
15 #include <linux/smp.h>
16 #include <asm/numaq/apic.h>
17 #include <asm/numaq/ipi.h>
18 #include <asm/numaq/mpparse.h>
19 #include <asm/numaq/wakecpu.h>
20 #include <asm/numaq.h>
22 static int mps_oem_check(struct mpc_table
*mpc
, char *oem
, char *productid
)
24 numaq_mps_oem_check(mpc
, oem
, productid
);
28 static int probe_numaq(void)
30 /* already know from get_memcfg_numaq() */
34 static void vector_allocation_domain(int cpu
, cpumask_t
*retmask
)
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.
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.
44 *retmask
= (cpumask_t
){ { [0] = APIC_ALL_CPUS
, } };
47 struct genapic apic_numaq
= {
51 .acpi_madt_oem_check
= NULL
,
52 .apic_id_registered
= numaq_apic_id_registered
,
54 .irq_delivery_mode
= IRQ_DELIVERY_MODE
,
55 .irq_dest_mode
= IRQ_DEST_MODE
,
57 .target_cpus
= target_cpus
,
58 .ESR_DISABLE
= esr_disable
,
59 .apic_destination_logical
= APIC_DEST_LOGICAL
,
60 .check_apicid_used
= check_apicid_used
,
61 .check_apicid_present
= check_apicid_present
,
63 .no_balance_irq
= NO_BALANCE_IRQ
,
66 .vector_allocation_domain
= vector_allocation_domain
,
67 .init_apic_ldr
= init_apic_ldr
,
69 .ioapic_phys_id_map
= ioapic_phys_id_map
,
70 .setup_apic_routing
= setup_apic_routing
,
71 .multi_timer_check
= multi_timer_check
,
72 .apicid_to_node
= apicid_to_node
,
73 .cpu_to_logical_apicid
= cpu_to_logical_apicid
,
74 .cpu_present_to_apicid
= cpu_present_to_apicid
,
75 .apicid_to_cpu_present
= apicid_to_cpu_present
,
76 .setup_portio_remap
= setup_portio_remap
,
77 .check_phys_apicid_present
= check_phys_apicid_present
,
78 .enable_apic_mode
= enable_apic_mode
,
79 .phys_pkg_id
= phys_pkg_id
,
80 .mps_oem_check
= mps_oem_check
,
82 .get_apic_id
= get_apic_id
,
84 .apic_id_mask
= APIC_ID_MASK
,
86 .cpu_mask_to_apicid
= cpu_mask_to_apicid
,
87 .cpu_mask_to_apicid_and
= cpu_mask_to_apicid_and
,
89 .send_IPI_mask
= send_IPI_mask
,
90 .send_IPI_mask_allbutself
= NULL
,
91 .send_IPI_allbutself
= send_IPI_allbutself
,
92 .send_IPI_all
= send_IPI_all
,
93 .send_IPI_self
= NULL
,
96 .trampoline_phys_low
= TRAMPOLINE_PHYS_LOW
,
97 .trampoline_phys_high
= TRAMPOLINE_PHYS_HIGH
,
98 .wait_for_init_deassert
= wait_for_init_deassert
,
99 .smp_callin_clear_local_apic
= smp_callin_clear_local_apic
,
100 .store_NMI_vector
= store_NMI_vector
,
101 .restore_NMI_vector
= restore_NMI_vector
,
102 .inquire_remote_apic
= inquire_remote_apic
,