diff options
| -rw-r--r-- | arch/x86/kernel/e820_32.c | 110 | ||||
| -rw-r--r-- | arch/x86/kernel/e820_64.c | 11 | ||||
| -rw-r--r-- | arch/x86/kernel/setup_32.c | 106 | ||||
| -rw-r--r-- | arch/x86/kernel/setup_64.c | 8 | ||||
| -rw-r--r-- | include/asm-x86/e820_32.h | 6 | ||||
| -rw-r--r-- | include/asm-x86/e820_64.h | 5 | ||||
| -rw-r--r-- | include/linux/ioport.h | 2 |
7 files changed, 127 insertions, 121 deletions
diff --git a/arch/x86/kernel/e820_32.c b/arch/x86/kernel/e820_32.c index 18f500d185a2..87cadc86d5ee 100644 --- a/arch/x86/kernel/e820_32.c +++ b/arch/x86/kernel/e820_32.c @@ -37,26 +37,6 @@ unsigned long pci_mem_start = 0x10000000; EXPORT_SYMBOL(pci_mem_start); #endif extern int user_defined_memmap; -struct resource data_resource = { - .name = "Kernel data", - .start = 0, - .end = 0, - .flags = IORESOURCE_BUSY | IORESOURCE_MEM -}; - -struct resource code_resource = { - .name = "Kernel code", - .start = 0, - .end = 0, - .flags = IORESOURCE_BUSY | IORESOURCE_MEM -}; - -struct resource bss_resource = { - .name = "Kernel bss", - .start = 0, - .end = 0, - .flags = IORESOURCE_BUSY | IORESOURCE_MEM -}; static struct resource system_rom_resource = { .name = "System ROM", @@ -111,60 +91,6 @@ static struct resource video_rom_resource = { .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM }; -static struct resource video_ram_resource = { - .name = "Video RAM area", - .start = 0xa0000, - .end = 0xbffff, - .flags = IORESOURCE_BUSY | IORESOURCE_MEM -}; - -static struct resource standard_io_resources[] = { { - .name = "dma1", - .start = 0x0000, - .end = 0x001f, - .flags = IORESOURCE_BUSY | IORESOURCE_IO -}, { - .name = "pic1", - .start = 0x0020, - .end = 0x0021, - .flags = IORESOURCE_BUSY | IORESOURCE_IO -}, { - .name = "timer0", - .start = 0x0040, - .end = 0x0043, - .flags = IORESOURCE_BUSY | IORESOURCE_IO -}, { - .name = "timer1", - .start = 0x0050, - .end = 0x0053, - .flags = IORESOURCE_BUSY | IORESOURCE_IO -}, { - .name = "keyboard", - .start = 0x0060, - .end = 0x006f, - .flags = IORESOURCE_BUSY | IORESOURCE_IO -}, { - .name = "dma page reg", - .start = 0x0080, - .end = 0x008f, - .flags = IORESOURCE_BUSY | IORESOURCE_IO -}, { - .name = "pic2", - .start = 0x00a0, - .end = 0x00a1, - .flags = IORESOURCE_BUSY | IORESOURCE_IO -}, { - .name = "dma2", - .start = 0x00c0, - .end = 0x00df, - .flags = IORESOURCE_BUSY | IORESOURCE_IO -}, { - .name = "fpu", - .start = 0x00f0, - .end = 0x00ff, - .flags = IORESOURCE_BUSY | IORESOURCE_IO -} }; - #define ROMSIGNATURE 0xaa55 static int __init romsignature(const unsigned char *rom) @@ -260,10 +186,9 @@ static void __init probe_roms(void) * Request address space for all standard RAM and ROM resources * and also for regions reported as reserved by the e820. */ -static void __init -legacy_init_iomem_resources(struct resource *code_resource, - struct resource *data_resource, - struct resource *bss_resource) +void __init legacy_init_iomem_resources(struct resource *code_resource, + struct resource *data_resource, + struct resource *bss_resource) { int i; @@ -305,35 +230,6 @@ legacy_init_iomem_resources(struct resource *code_resource, } } -/* - * Request address space for all standard resources - * - * This is called just before pcibios_init(), which is also a - * subsys_initcall, but is linked in later (in arch/i386/pci/common.c). - */ -static int __init request_standard_resources(void) -{ - int i; - - printk("Setting up standard PCI resources\n"); - if (efi_enabled) - efi_initialize_iomem_resources(&code_resource, - &data_resource, &bss_resource); - else - legacy_init_iomem_resources(&code_resource, - &data_resource, &bss_resource); - - /* EFI systems may still have VGA */ - request_resource(&iomem_resource, &video_ram_resource); - - /* request I/O space for devices used on all i[345]86 PCs */ - for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++) - request_resource(&ioport_resource, &standard_io_resources[i]); - return 0; -} - -subsys_initcall(request_standard_resources); - #if defined(CONFIG_PM) && defined(CONFIG_HIBERNATION) /** * e820_mark_nosave_regions - Find the ranges of physical addresses that do not diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c index 11a3d65db0c1..151236896243 100644 --- a/arch/x86/kernel/e820_64.c +++ b/arch/x86/kernel/e820_64.c @@ -47,8 +47,6 @@ unsigned long end_pfn_map; */ static unsigned long __initdata end_user_pfn = MAXMEM>>PAGE_SHIFT; -extern struct resource code_resource, data_resource, bss_resource; - /* Check for some hardcoded bad areas that early boot is not allowed to touch */ static inline int bad_addr(unsigned long *addrp, unsigned long size) { @@ -213,7 +211,8 @@ unsigned long __init e820_end_of_ram(void) /* * Mark e820 reserved areas as busy for the resource manager. */ -void __init e820_reserve_resources(void) +void __init e820_reserve_resources(struct resource *code_resource, + struct resource *data_resource, struct resource *bss_resource) { int i; for (i = 0; i < e820.nr_map; i++) { @@ -235,9 +234,9 @@ void __init e820_reserve_resources(void) * so we try it repeatedly and let the resource manager * test it. */ - request_resource(res, &code_resource); - request_resource(res, &data_resource); - request_resource(res, &bss_resource); + request_resource(res, code_resource); + request_resource(res, data_resource); + request_resource(res, bss_resource); #ifdef CONFIG_KEXEC if (crashk_res.start != crashk_res.end) request_resource(res, &crashk_res); diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index 236d30b264d8..32edf70d6b0d 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -73,9 +73,80 @@ int disable_pse __cpuinitdata = 0; /* * Machine setup.. */ -extern struct resource code_resource; -extern struct resource data_resource; -extern struct resource bss_resource; +static struct resource data_resource = { + .name = "Kernel data", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_MEM +}; + +static struct resource code_resource = { + .name = "Kernel code", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_MEM +}; + +static struct resource bss_resource = { + .name = "Kernel bss", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_MEM +}; + +static struct resource video_ram_resource = { + .name = "Video RAM area", + .start = 0xa0000, + .end = 0xbffff, + .flags = IORESOURCE_BUSY | IORESOURCE_MEM +}; + +static struct resource standard_io_resources[] = { { + .name = "dma1", + .start = 0x0000, + .end = 0x001f, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "pic1", + .start = 0x0020, + .end = 0x0021, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "timer0", + .start = 0x0040, + .end = 0x0043, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "timer1", + .start = 0x0050, + .end = 0x0053, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "keyboard", + .start = 0x0060, + .end = 0x006f, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "dma page reg", + .start = 0x0080, + .end = 0x008f, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "pic2", + .start = 0x00a0, + .end = 0x00a1, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "dma2", + .start = 0x00c0, + .end = 0x00df, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "fpu", + .start = 0x00f0, + .end = 0x00ff, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +} }; /* cpu data as detected by the assembly code in head.S */ struct cpuinfo_x86 new_cpu_data __cpuinitdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; @@ -693,3 +764,32 @@ void __init setup_arch(char **cmdline_p) #endif #endif } + +/* + * Request address space for all standard resources + * + * This is called just before pcibios_init(), which is also a + * subsys_initcall, but is linked in later (in arch/i386/pci/common.c). + */ +static int __init request_standard_resources(void) +{ + int i; + + printk(KERN_INFO "Setting up standard PCI resources\n"); + if (efi_enabled) + efi_initialize_iomem_resources(&code_resource, + &data_resource, &bss_resource); + else + legacy_init_iomem_resources(&code_resource, + &data_resource, &bss_resource); + + /* EFI systems may still have VGA */ + request_resource(&iomem_resource, &video_ram_resource); + + /* request I/O space for devices used on all i[345]86 PCs */ + for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++) + request_resource(&ioport_resource, &standard_io_resources[i]); + return 0; +} + +subsys_initcall(request_standard_resources); diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index bcb5f3aaa097..1acb435a0585 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -123,19 +123,19 @@ struct resource standard_io_resources[] = { #define IORESOURCE_RAM (IORESOURCE_BUSY | IORESOURCE_MEM) -struct resource data_resource = { +static struct resource data_resource = { .name = "Kernel data", .start = 0, .end = 0, .flags = IORESOURCE_RAM, }; -struct resource code_resource = { +static struct resource code_resource = { .name = "Kernel code", .start = 0, .end = 0, .flags = IORESOURCE_RAM, }; -struct resource bss_resource = { +static struct resource bss_resource = { .name = "Kernel bss", .start = 0, .end = 0, @@ -438,7 +438,7 @@ void __init setup_arch(char **cmdline_p) /* * We trust e820 completely. No explicit ROM probing in memory. */ - e820_reserve_resources(); + e820_reserve_resources(&code_resource, &data_resource, &bss_resource); e820_mark_nosave_regions(); { diff --git a/include/asm-x86/e820_32.h b/include/asm-x86/e820_32.h index 03f60c690c8a..ae5ea19623fa 100644 --- a/include/asm-x86/e820_32.h +++ b/include/asm-x86/e820_32.h @@ -12,6 +12,8 @@ #ifndef __E820_HEADER #define __E820_HEADER +#include <linux/ioport.h> + #define HIGH_MEMORY (1024*1024) #ifndef __ASSEMBLY__ @@ -26,6 +28,9 @@ extern void register_bootmem_low_pages(unsigned long max_low_pfn); extern void e820_register_memory(void); extern void limit_regions(unsigned long long size); extern void print_memory_map(char *who); +extern void legacy_init_iomem_resources(struct resource *code_resource, + struct resource *data_resource, + struct resource *bss_resource); #if defined(CONFIG_PM) && defined(CONFIG_HIBERNATION) extern void e820_mark_nosave_regions(void); @@ -35,5 +40,6 @@ static inline void e820_mark_nosave_regions(void) } #endif + #endif/*!__ASSEMBLY__*/ #endif/*__E820_HEADER*/ diff --git a/include/asm-x86/e820_64.h b/include/asm-x86/e820_64.h index e535e6044e21..1c7ba8804176 100644 --- a/include/asm-x86/e820_64.h +++ b/include/asm-x86/e820_64.h @@ -11,6 +11,8 @@ #ifndef __E820_HEADER #define __E820_HEADER +#include <linux/ioport.h> + #ifndef __ASSEMBLY__ extern unsigned long find_e820_area(unsigned long start, unsigned long end, unsigned size); @@ -19,7 +21,8 @@ extern void add_memory_region(unsigned long start, unsigned long size, extern void setup_memory_region(void); extern void contig_e820_setup(void); extern unsigned long e820_end_of_ram(void); -extern void e820_reserve_resources(void); +extern void e820_reserve_resources(struct resource *code_resource, + struct resource *data_resource, struct resource *bss_resource); extern void e820_mark_nosave_regions(void); extern int e820_any_mapped(unsigned long start, unsigned long end, unsigned type); extern int e820_all_mapped(unsigned long start, unsigned long end, unsigned type); diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 6187a8567bc7..605d237364d2 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -8,6 +8,7 @@ #ifndef _LINUX_IOPORT_H #define _LINUX_IOPORT_H +#ifndef __ASSEMBLY__ #include <linux/compiler.h> #include <linux/types.h> /* @@ -153,4 +154,5 @@ extern struct resource * __devm_request_region(struct device *dev, extern void __devm_release_region(struct device *dev, struct resource *parent, resource_size_t start, resource_size_t n); +#endif /* __ASSEMBLY__ */ #endif /* _LINUX_IOPORT_H */ |