2 * APIC driver for the Unisys ES7000 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/es7000/apicdef.h>
15 #include <linux/smp.h>
16 #include <asm/es7000/apic.h>
17 #include <asm/es7000/ipi.h>
18 #include <asm/es7000/mpparse.h>
19 #include <asm/es7000/wakecpu.h>
21 static int probe_es7000(void)
23 /* probed later in mptable/ACPI hooks */
27 extern void es7000_sw_apic(void);
28 static void __init enable_apic_mode(void)
34 static __init int mps_oem_check(struct mp_config_table *mpc, char *oem,
37 if (mpc->mpc_oemptr) {
38 struct mp_config_oemtable *oem_table =
39 (struct mp_config_oemtable *)mpc->mpc_oemptr;
40 if (!strncmp(oem, "UNISYS", 6))
41 return parse_unisys_oem((char *)oem_table);
47 /* Hook from generic ACPI tables.c */
48 static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
50 unsigned long oem_addr = 0;
54 /* check dsdt at first to avoid clear fix_map for oem_addr */
55 check_dsdt = es7000_check_dsdt();
57 if (!find_unisys_acpi_oem_table(&oem_addr)) {
59 ret = parse_unisys_oem((char *)oem_addr);
67 unmap_unisys_acpi_oem_table(oem_addr);
72 static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
78 static cpumask_t vector_allocation_domain(int cpu)
80 /* Careful. Some cpus do not strictly honor the set of cpus
81 * specified in the interrupt destination when using lowest
82 * priority interrupt delivery mode.
84 * In particular there was a hyperthreading cpu observed to
85 * deliver interrupts to the wrong hyperthread when only one
86 * hyperthread was specified in the interrupt desitination.
88 cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
92 struct genapic __initdata_refok apic_es7000 = APIC_INIT("es7000", probe_es7000);