Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * APIC driver for the Unisys ES7000 chipset. | |
3 | */ | |
4 | #define APIC_DEFINITION 1 | |
1da177e4 LT |
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> | |
1da177e4 | 13 | #include <linux/init.h> |
c7e7964c | 14 | #include <asm/es7000/apicdef.h> |
4696ca5b | 15 | #include <linux/smp.h> |
c7e7964c YL |
16 | #include <asm/es7000/apic.h> |
17 | #include <asm/es7000/ipi.h> | |
18 | #include <asm/es7000/mpparse.h> | |
b5fe363b YL |
19 | #include <asm/mach-default/mach_wakecpu.h> |
20 | ||
21 | void __init es7000_update_genapic_to_cluster(void) | |
22 | { | |
c8d46cf0 | 23 | apic->target_cpus = target_cpus_cluster; |
f8987a10 IM |
24 | apic->irq_delivery_mode = INT_DELIVERY_MODE_CLUSTER; |
25 | apic->irq_dest_mode = INT_DEST_MODE_CLUSTER; | |
c8d46cf0 | 26 | apic->no_balance_irq = NO_BALANCE_IRQ_CLUSTER; |
b5fe363b | 27 | |
c8d46cf0 | 28 | apic->init_apic_ldr = init_apic_ldr_cluster; |
b5fe363b | 29 | |
c8d46cf0 | 30 | apic->cpu_mask_to_apicid = cpu_mask_to_apicid_cluster; |
b5fe363b | 31 | } |
1da177e4 | 32 | |
e96763d6 | 33 | static int probe_es7000(void) |
1da177e4 LT |
34 | { |
35 | /* probed later in mptable/ACPI hooks */ | |
36 | return 0; | |
37 | } | |
38 | ||
1833d6bc VG |
39 | extern void es7000_sw_apic(void); |
40 | static void __init enable_apic_mode(void) | |
41 | { | |
42 | es7000_sw_apic(); | |
43 | return; | |
44 | } | |
45 | ||
f29521e4 JSR |
46 | static __init int |
47 | mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) | |
1833d6bc | 48 | { |
6c65da50 | 49 | if (mpc->oemptr) { |
b0e239ff | 50 | struct mpc_oemtable *oem_table = |
6c65da50 | 51 | (struct mpc_oemtable *)mpc->oemptr; |
1833d6bc VG |
52 | if (!strncmp(oem, "UNISYS", 6)) |
53 | return parse_unisys_oem((char *)oem_table); | |
54 | } | |
55 | return 0; | |
56 | } | |
57 | ||
58 | #ifdef CONFIG_ACPI | |
59 | /* Hook from generic ACPI tables.c */ | |
306db03b | 60 | static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id) |
1833d6bc | 61 | { |
a73aaedd YL |
62 | unsigned long oem_addr = 0; |
63 | int check_dsdt; | |
64 | int ret = 0; | |
65 | ||
66 | /* check dsdt at first to avoid clear fix_map for oem_addr */ | |
67 | check_dsdt = es7000_check_dsdt(); | |
68 | ||
1833d6bc | 69 | if (!find_unisys_acpi_oem_table(&oem_addr)) { |
a73aaedd YL |
70 | if (check_dsdt) |
71 | ret = parse_unisys_oem((char *)oem_addr); | |
1833d6bc VG |
72 | else { |
73 | setup_unisys(); | |
a73aaedd | 74 | ret = 1; |
1833d6bc | 75 | } |
a73aaedd YL |
76 | /* |
77 | * we need to unmap it | |
78 | */ | |
79 | unmap_unisys_acpi_oem_table(oem_addr); | |
1833d6bc | 80 | } |
a73aaedd | 81 | return ret; |
1833d6bc VG |
82 | } |
83 | #else | |
306db03b | 84 | static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id) |
1833d6bc VG |
85 | { |
86 | return 0; | |
87 | } | |
88 | #endif | |
89 | ||
e7986739 | 90 | static void vector_allocation_domain(int cpu, cpumask_t *retmask) |
497c9a19 YL |
91 | { |
92 | /* Careful. Some cpus do not strictly honor the set of cpus | |
93 | * specified in the interrupt destination when using lowest | |
94 | * priority interrupt delivery mode. | |
95 | * | |
96 | * In particular there was a hyperthreading cpu observed to | |
97 | * deliver interrupts to the wrong hyperthread when only one | |
98 | * hyperthread was specified in the interrupt desitination. | |
99 | */ | |
e7986739 | 100 | *retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } }; |
497c9a19 YL |
101 | } |
102 | ||
fed53ebf IM |
103 | struct genapic apic_es7000 = { |
104 | ||
105 | .name = "es7000", | |
106 | .probe = probe_es7000, | |
306db03b | 107 | .acpi_madt_oem_check = es7000_acpi_madt_oem_check, |
7ed248da | 108 | .apic_id_registered = es7000_apic_id_registered, |
fed53ebf | 109 | |
38bd77a6 IM |
110 | .irq_delivery_mode = dest_Fixed, |
111 | /* phys delivery to target CPUs: */ | |
112 | .irq_dest_mode = 0, | |
fed53ebf | 113 | |
0a9cc20b | 114 | .target_cpus = es7000_target_cpus, |
08125d3e | 115 | .disable_esr = 1, |
0b06e734 | 116 | .apic_destination_logical = 0, |
fed53ebf IM |
117 | .check_apicid_used = check_apicid_used, |
118 | .check_apicid_present = check_apicid_present, | |
119 | ||
120 | .no_balance_irq = NO_BALANCE_IRQ, | |
121 | .no_ioapic_check = 0, | |
122 | ||
123 | .vector_allocation_domain = vector_allocation_domain, | |
124 | .init_apic_ldr = init_apic_ldr, | |
125 | ||
126 | .ioapic_phys_id_map = ioapic_phys_id_map, | |
127 | .setup_apic_routing = setup_apic_routing, | |
128 | .multi_timer_check = multi_timer_check, | |
129 | .apicid_to_node = apicid_to_node, | |
130 | .cpu_to_logical_apicid = cpu_to_logical_apicid, | |
131 | .cpu_present_to_apicid = cpu_present_to_apicid, | |
132 | .apicid_to_cpu_present = apicid_to_cpu_present, | |
133 | .setup_portio_remap = setup_portio_remap, | |
134 | .check_phys_apicid_present = check_phys_apicid_present, | |
135 | .enable_apic_mode = enable_apic_mode, | |
136 | .phys_pkg_id = phys_pkg_id, | |
137 | .mps_oem_check = mps_oem_check, | |
138 | ||
139 | .get_apic_id = get_apic_id, | |
140 | .set_apic_id = NULL, | |
141 | .apic_id_mask = APIC_ID_MASK, | |
142 | ||
143 | .cpu_mask_to_apicid = cpu_mask_to_apicid, | |
144 | .cpu_mask_to_apicid_and = cpu_mask_to_apicid_and, | |
145 | ||
146 | .send_IPI_mask = send_IPI_mask, | |
147 | .send_IPI_mask_allbutself = NULL, | |
148 | .send_IPI_allbutself = send_IPI_allbutself, | |
149 | .send_IPI_all = send_IPI_all, | |
150 | .send_IPI_self = NULL, | |
151 | ||
152 | .wakeup_cpu = NULL, | |
153 | .trampoline_phys_low = TRAMPOLINE_PHYS_LOW, | |
154 | .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH, | |
155 | .wait_for_init_deassert = wait_for_init_deassert, | |
156 | .smp_callin_clear_local_apic = smp_callin_clear_local_apic, | |
157 | .store_NMI_vector = store_NMI_vector, | |
158 | .restore_NMI_vector = restore_NMI_vector, | |
159 | .inquire_remote_apic = inquire_remote_apic, | |
160 | }; |