1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* APIC driver for the Unisys ES7000 chipset.
*/
#define APIC_DEFINITION 1
#include <linux/threads.h>
#include <linux/cpumask.h>
#include <asm/mpspec.h>
#include <asm/genapic.h>
#include <asm/fixmap.h>
#include <asm/apicdef.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
#include <asm/es7000/apicdef.h>
#include <linux/smp.h>
#include <asm/es7000/apic.h>
#include <asm/es7000/ipi.h>
#include <asm/es7000/mpparse.h>
#include <asm/mach-default/mach_wakecpu.h>
void __init es7000_update_genapic_to_cluster(void)
{
apic->target_cpus = target_cpus_cluster;
apic->irq_delivery_mode = INT_DELIVERY_MODE_CLUSTER;
apic->irq_dest_mode = INT_DEST_MODE_CLUSTER;
apic->init_apic_ldr = es7000_init_apic_ldr_cluster;
apic->cpu_mask_to_apicid = es7000_cpu_mask_to_apicid_cluster;
}
static int probe_es7000(void)
{
/* probed later in mptable/ACPI hooks */
return 0;
}
static __init int
es7000_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid)
{
if (mpc->oemptr) {
struct mpc_oemtable *oem_table =
(struct mpc_oemtable *)mpc->oemptr;
if (!strncmp(oem, "UNISYS", 6))
return parse_unisys_oem((char *)oem_table);
}
return 0;
}
#ifdef CONFIG_ACPI
/* Hook from generic ACPI tables.c */
static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
unsigned long oem_addr = 0;
int check_dsdt;
int ret = 0;
/* check dsdt at first to avoid clear fix_map for oem_addr */
check_dsdt = es7000_check_dsdt();
if (!find_unisys_acpi_oem_table(&oem_addr)) {
if (check_dsdt)
ret = parse_unisys_oem((char *)oem_addr);
else {
setup_unisys();
ret = 1;
}
/*
* we need to unmap it
*/
unmap_unisys_acpi_oem_table(oem_addr);
}
return ret;
}
#else
static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
return 0;
}
#endif
static void es7000_vector_allocation_domain(int cpu, cpumask_t *retmask)
{
/* Careful. Some cpus do not strictly honor the set of cpus
* specified in the interrupt destination when using lowest
* priority interrupt delivery mode.
*
* In particular there was a hyperthreading cpu observed to
* deliver interrupts to the wrong hyperthread when only one
* hyperthread was specified in the interrupt desitination.
*/
*retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } };
}
struct genapic apic_es7000 = {
.name = "es7000",
.probe = probe_es7000,
.acpi_madt_oem_check = es7000_acpi_madt_oem_check,
.apic_id_registered = es7000_apic_id_registered,
.irq_delivery_mode = dest_Fixed,
/* phys delivery to target CPUs: */
.irq_dest_mode = 0,
.target_cpus = es7000_target_cpus,
.disable_esr = 1,
.dest_logical = 0,
.check_apicid_used = es7000_check_apicid_used,
.check_apicid_present = es7000_check_apicid_present,
.vector_allocation_domain = es7000_vector_allocation_domain,
.init_apic_ldr = es7000_init_apic_ldr,
.ioapic_phys_id_map = es7000_ioapic_phys_id_map,
.setup_apic_routing = es7000_setup_apic_routing,
.multi_timer_check = NULL,
.apicid_to_node = es7000_apicid_to_node,
.cpu_to_logical_apicid = es7000_cpu_to_logical_apicid,
.cpu_present_to_apicid = es7000_cpu_present_to_apicid,
.apicid_to_cpu_present = es7000_apicid_to_cpu_present,
.setup_portio_remap = NULL,
.check_phys_apicid_present = es7000_check_phys_apicid_present,
.enable_apic_mode = es7000_enable_apic_mode,
.phys_pkg_id = es7000_phys_pkg_id,
.mps_oem_check = es7000_mps_oem_check,
.get_apic_id = es7000_get_apic_id,
.set_apic_id = NULL,
.apic_id_mask = 0xFF << 24,
.cpu_mask_to_apicid = es7000_cpu_mask_to_apicid,
.cpu_mask_to_apicid_and = es7000_cpu_mask_to_apicid_and,
.send_IPI_mask = es7000_send_IPI_mask,
.send_IPI_mask_allbutself = NULL,
.send_IPI_allbutself = es7000_send_IPI_allbutself,
.send_IPI_all = es7000_send_IPI_all,
.send_IPI_self = NULL,
.wakeup_cpu = NULL,
.trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
.trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
.wait_for_init_deassert = default_wait_for_init_deassert,
/* Nothing to do for most platforms, since cleared by the INIT cycle: */
.smp_callin_clear_local_apic = NULL,
.store_NMI_vector = NULL,
.inquire_remote_apic = default_inquire_remote_apic,
};
|
