diff options
Diffstat (limited to 'arch/x86/kernel/setup_64.c')
| -rw-r--r-- | arch/x86/kernel/setup_64.c | 56 |
1 files changed, 53 insertions, 3 deletions
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index c2ec3dcb6b99..22c14e21c97c 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -29,6 +29,7 @@ #include <linux/crash_dump.h> #include <linux/root_dev.h> #include <linux/pci.h> +#include <asm/pci-direct.h> #include <linux/efi.h> #include <linux/acpi.h> #include <linux/kallsyms.h> @@ -40,8 +41,10 @@ #include <linux/dmi.h> #include <linux/dma-mapping.h> #include <linux/ctype.h> +#include <linux/sort.h> #include <linux/uaccess.h> #include <linux/init_ohci1394_dma.h> +#include <linux/kvm_para.h> #include <asm/mtrr.h> #include <asm/uaccess.h> @@ -116,7 +119,7 @@ extern int root_mountflags; char __initdata command_line[COMMAND_LINE_SIZE]; -struct resource standard_io_resources[] = { +static struct resource standard_io_resources[] = { { .name = "dma1", .start = 0x00, .end = 0x1f, .flags = IORESOURCE_BUSY | IORESOURCE_IO }, { .name = "pic1", .start = 0x20, .end = 0x21, @@ -190,6 +193,7 @@ contig_initmem_init(unsigned long start_pfn, unsigned long end_pfn) bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn); e820_register_active_regions(0, start_pfn, end_pfn); free_bootmem_with_active_regions(0, end_pfn); + early_res_to_bootmem(0, end_pfn<<PAGE_SHIFT); reserve_bootmem(bootmap, bootmap_size, BOOTMEM_DEFAULT); } #endif @@ -264,6 +268,40 @@ void __attribute__((weak)) __init memory_setup(void) machine_specific_memory_setup(); } +static void __init parse_setup_data(void) +{ + struct setup_data *data; + unsigned long pa_data; + + if (boot_params.hdr.version < 0x0209) + return; + pa_data = boot_params.hdr.setup_data; + while (pa_data) { + data = early_ioremap(pa_data, PAGE_SIZE); + switch (data->type) { + default: + break; + } +#ifndef CONFIG_DEBUG_BOOT_PARAMS + free_early(pa_data, pa_data+sizeof(*data)+data->len); +#endif + pa_data = data->next; + early_iounmap(data, PAGE_SIZE); + } +} + +#ifdef CONFIG_PCI_MMCONFIG +extern void __cpuinit fam10h_check_enable_mmcfg(void); +extern void __init check_enable_amd_mmconf_dmi(void); +#else +void __cpuinit fam10h_check_enable_mmcfg(void) +{ +} +void __init check_enable_amd_mmconf_dmi(void) +{ +} +#endif + /* * setup_arch - architecture-specific boot-time initializations * @@ -316,6 +354,8 @@ void __init setup_arch(char **cmdline_p) strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; + parse_setup_data(); + parse_early_param(); #ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT @@ -359,6 +399,10 @@ void __init setup_arch(char **cmdline_p) io_delay_init(); +#ifdef CONFIG_KVM_CLOCK + kvmclock_init(); +#endif + #ifdef CONFIG_SMP /* setup to use the early static init tables during kernel startup */ x86_cpu_to_apicid_early_ptr = (void *)x86_cpu_to_apicid_init; @@ -397,8 +441,6 @@ void __init setup_arch(char **cmdline_p) contig_initmem_init(0, end_pfn); #endif - early_res_to_bootmem(); - dma32_reserve_bootmem(); #ifdef CONFIG_ACPI_SLEEP @@ -465,6 +507,8 @@ void __init setup_arch(char **cmdline_p) init_apic_mappings(); ioapic_init_mappings(); + kvm_guest_init(); + /* * We trust e820 completely. No explicit ROM probing in memory. */ @@ -485,6 +529,9 @@ void __init setup_arch(char **cmdline_p) conswitchp = &dummy_con; #endif #endif + + /* do this before identify_cpu for boot cpu */ + check_enable_amd_mmconf_dmi(); } static int __cpuinit get_model_name(struct cpuinfo_x86 *c) @@ -737,6 +784,9 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) /* MFENCE stops RDTSC speculation */ set_cpu_cap(c, X86_FEATURE_MFENCE_RDTSC); + if (c->x86 == 0x10) + fam10h_check_enable_mmcfg(); + if (amd_apic_timer_broken()) disable_apic_timer = 1; |