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Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
-rw-r--r--arch/x86/kernel/acpi/boot.c80
1 files changed, 1 insertions, 79 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 631086159c53..6b8ca3a0285d 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -44,11 +44,7 @@
44 44
45static int __initdata acpi_force = 0; 45static int __initdata acpi_force = 0;
46u32 acpi_rsdt_forced; 46u32 acpi_rsdt_forced;
47#ifdef CONFIG_ACPI 47int acpi_disabled;
48int acpi_disabled = 0;
49#else
50int acpi_disabled = 1;
51#endif
52EXPORT_SYMBOL(acpi_disabled); 48EXPORT_SYMBOL(acpi_disabled);
53 49
54#ifdef CONFIG_X86_64 50#ifdef CONFIG_X86_64
@@ -122,72 +118,6 @@ void __init __acpi_unmap_table(char *map, unsigned long size)
122 early_iounmap(map, size); 118 early_iounmap(map, size);
123} 119}
124 120
125#ifdef CONFIG_PCI_MMCONFIG
126
127static int acpi_mcfg_64bit_base_addr __initdata = FALSE;
128
129/* The physical address of the MMCONFIG aperture. Set from ACPI tables. */
130struct acpi_mcfg_allocation *pci_mmcfg_config;
131int pci_mmcfg_config_num;
132
133static int __init acpi_mcfg_oem_check(struct acpi_table_mcfg *mcfg)
134{
135 if (!strcmp(mcfg->header.oem_id, "SGI"))
136 acpi_mcfg_64bit_base_addr = TRUE;
137
138 return 0;
139}
140
141int __init acpi_parse_mcfg(struct acpi_table_header *header)
142{
143 struct acpi_table_mcfg *mcfg;
144 unsigned long i;
145 int config_size;
146
147 if (!header)
148 return -EINVAL;
149
150 mcfg = (struct acpi_table_mcfg *)header;
151
152 /* how many config structures do we have */
153 pci_mmcfg_config_num = 0;
154 i = header->length - sizeof(struct acpi_table_mcfg);
155 while (i >= sizeof(struct acpi_mcfg_allocation)) {
156 ++pci_mmcfg_config_num;
157 i -= sizeof(struct acpi_mcfg_allocation);
158 };
159 if (pci_mmcfg_config_num == 0) {
160 printk(KERN_ERR PREFIX "MMCONFIG has no entries\n");
161 return -ENODEV;
162 }
163
164 config_size = pci_mmcfg_config_num * sizeof(*pci_mmcfg_config);
165 pci_mmcfg_config = kmalloc(config_size, GFP_KERNEL);
166 if (!pci_mmcfg_config) {
167 printk(KERN_WARNING PREFIX
168 "No memory for MCFG config tables\n");
169 return -ENOMEM;
170 }
171
172 memcpy(pci_mmcfg_config, &mcfg[1], config_size);
173
174 acpi_mcfg_oem_check(mcfg);
175
176 for (i = 0; i < pci_mmcfg_config_num; ++i) {
177 if ((pci_mmcfg_config[i].address > 0xFFFFFFFF) &&
178 !acpi_mcfg_64bit_base_addr) {
179 printk(KERN_ERR PREFIX
180 "MMCONFIG not in low 4GB of memory\n");
181 kfree(pci_mmcfg_config);
182 pci_mmcfg_config_num = 0;
183 return -ENODEV;
184 }
185 }
186
187 return 0;
188}
189#endif /* CONFIG_PCI_MMCONFIG */
190
191#ifdef CONFIG_X86_LOCAL_APIC 121#ifdef CONFIG_X86_LOCAL_APIC
192static int __init acpi_parse_madt(struct acpi_table_header *table) 122static int __init acpi_parse_madt(struct acpi_table_header *table)
193{ 123{
@@ -1519,14 +1449,6 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
1519 }, 1449 },
1520 { 1450 {
1521 .callback = force_acpi_ht, 1451 .callback = force_acpi_ht,
1522 .ident = "ASUS P4B266",
1523 .matches = {
1524 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
1525 DMI_MATCH(DMI_BOARD_NAME, "P4B266"),
1526 },
1527 },
1528 {
1529 .callback = force_acpi_ht,
1530 .ident = "ASUS P2B-DS", 1452 .ident = "ASUS P2B-DS",
1531 .matches = { 1453 .matches = {
1532 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), 1454 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),