diff options
Diffstat (limited to 'arch/i386/kernel/setup.c')
-rw-r--r-- | arch/i386/kernel/setup.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index e29fd5aeaf8e..dc39ca6a7eca 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c | |||
@@ -87,14 +87,14 @@ EXPORT_SYMBOL(boot_cpu_data); | |||
87 | 87 | ||
88 | unsigned long mmu_cr4_features; | 88 | unsigned long mmu_cr4_features; |
89 | 89 | ||
90 | #ifdef CONFIG_ACPI_INTERPRETER | 90 | #ifdef CONFIG_ACPI |
91 | int acpi_disabled = 0; | 91 | int acpi_disabled = 0; |
92 | #else | 92 | #else |
93 | int acpi_disabled = 1; | 93 | int acpi_disabled = 1; |
94 | #endif | 94 | #endif |
95 | EXPORT_SYMBOL(acpi_disabled); | 95 | EXPORT_SYMBOL(acpi_disabled); |
96 | 96 | ||
97 | #ifdef CONFIG_ACPI_BOOT | 97 | #ifdef CONFIG_ACPI |
98 | int __initdata acpi_force = 0; | 98 | int __initdata acpi_force = 0; |
99 | extern acpi_interrupt_flags acpi_sci_flags; | 99 | extern acpi_interrupt_flags acpi_sci_flags; |
100 | #endif | 100 | #endif |
@@ -139,6 +139,7 @@ struct sys_desc_table_struct { | |||
139 | unsigned char table[0]; | 139 | unsigned char table[0]; |
140 | }; | 140 | }; |
141 | struct edid_info edid_info; | 141 | struct edid_info edid_info; |
142 | EXPORT_SYMBOL_GPL(edid_info); | ||
142 | struct ist_info ist_info; | 143 | struct ist_info ist_info; |
143 | #if defined(CONFIG_X86_SPEEDSTEP_SMI) || \ | 144 | #if defined(CONFIG_X86_SPEEDSTEP_SMI) || \ |
144 | defined(CONFIG_X86_SPEEDSTEP_SMI_MODULE) | 145 | defined(CONFIG_X86_SPEEDSTEP_SMI_MODULE) |
@@ -798,7 +799,7 @@ static void __init parse_cmdline_early (char ** cmdline_p) | |||
798 | } | 799 | } |
799 | #endif | 800 | #endif |
800 | 801 | ||
801 | #ifdef CONFIG_ACPI_BOOT | 802 | #ifdef CONFIG_ACPI |
802 | /* "acpi=off" disables both ACPI table parsing and interpreter */ | 803 | /* "acpi=off" disables both ACPI table parsing and interpreter */ |
803 | else if (!memcmp(from, "acpi=off", 8)) { | 804 | else if (!memcmp(from, "acpi=off", 8)) { |
804 | disable_acpi(); | 805 | disable_acpi(); |
@@ -850,11 +851,16 @@ static void __init parse_cmdline_early (char ** cmdline_p) | |||
850 | #endif | 851 | #endif |
851 | 852 | ||
852 | #ifdef CONFIG_X86_LOCAL_APIC | 853 | #ifdef CONFIG_X86_LOCAL_APIC |
854 | if (!memcmp(from, "disable_timer_pin_1", 19)) | ||
855 | disable_timer_pin_1 = 1; | ||
856 | if (!memcmp(from, "enable_timer_pin_1", 18)) | ||
857 | disable_timer_pin_1 = -1; | ||
858 | |||
853 | /* disable IO-APIC */ | 859 | /* disable IO-APIC */ |
854 | else if (!memcmp(from, "noapic", 6)) | 860 | else if (!memcmp(from, "noapic", 6)) |
855 | disable_ioapic_setup(); | 861 | disable_ioapic_setup(); |
856 | #endif /* CONFIG_X86_LOCAL_APIC */ | 862 | #endif /* CONFIG_X86_LOCAL_APIC */ |
857 | #endif /* CONFIG_ACPI_BOOT */ | 863 | #endif /* CONFIG_ACPI */ |
858 | 864 | ||
859 | #ifdef CONFIG_X86_LOCAL_APIC | 865 | #ifdef CONFIG_X86_LOCAL_APIC |
860 | /* enable local APIC */ | 866 | /* enable local APIC */ |
@@ -1299,7 +1305,7 @@ legacy_init_iomem_resources(struct resource *code_resource, struct resource *dat | |||
1299 | */ | 1305 | */ |
1300 | static void __init register_memory(void) | 1306 | static void __init register_memory(void) |
1301 | { | 1307 | { |
1302 | unsigned long gapstart, gapsize; | 1308 | unsigned long gapstart, gapsize, round; |
1303 | unsigned long long last; | 1309 | unsigned long long last; |
1304 | int i; | 1310 | int i; |
1305 | 1311 | ||
@@ -1344,14 +1350,14 @@ static void __init register_memory(void) | |||
1344 | } | 1350 | } |
1345 | 1351 | ||
1346 | /* | 1352 | /* |
1347 | * Start allocating dynamic PCI memory a bit into the gap, | 1353 | * See how much we want to round up: start off with |
1348 | * aligned up to the nearest megabyte. | 1354 | * rounding to the next 1MB area. |
1349 | * | ||
1350 | * Question: should we try to pad it up a bit (do something | ||
1351 | * like " + (gapsize >> 3)" in there too?). We now have the | ||
1352 | * technology. | ||
1353 | */ | 1355 | */ |
1354 | pci_mem_start = (gapstart + 0xfffff) & ~0xfffff; | 1356 | round = 0x100000; |
1357 | while ((gapsize >> 4) > round) | ||
1358 | round += round; | ||
1359 | /* Fun with two's complement */ | ||
1360 | pci_mem_start = (gapstart + round) & -round; | ||
1355 | 1361 | ||
1356 | printk("Allocating PCI resources starting at %08lx (gap: %08lx:%08lx)\n", | 1362 | printk("Allocating PCI resources starting at %08lx (gap: %08lx:%08lx)\n", |
1357 | pci_mem_start, gapstart, gapsize); | 1363 | pci_mem_start, gapstart, gapsize); |
@@ -1579,7 +1585,7 @@ void __init setup_arch(char **cmdline_p) | |||
1579 | if (efi_enabled) | 1585 | if (efi_enabled) |
1580 | efi_map_memmap(); | 1586 | efi_map_memmap(); |
1581 | 1587 | ||
1582 | #ifdef CONFIG_ACPI_BOOT | 1588 | #ifdef CONFIG_ACPI |
1583 | /* | 1589 | /* |
1584 | * Parse the ACPI tables for possible boot-time SMP configuration. | 1590 | * Parse the ACPI tables for possible boot-time SMP configuration. |
1585 | */ | 1591 | */ |