diff options
Diffstat (limited to 'include/asm-x86/io_32.h')
| -rw-r--r-- | include/asm-x86/io_32.h | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h index fe881cd1e6f..586d7aa54ce 100644 --- a/include/asm-x86/io_32.h +++ b/include/asm-x86/io_32.h @@ -100,8 +100,6 @@ static inline void * phys_to_virt(unsigned long address) */ #define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) -extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsigned long flags); - /** * ioremap - map bus memory into CPU space * @offset: bus address of the memory @@ -111,32 +109,39 @@ extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsign * make bus memory CPU accessible via the readb/readw/readl/writeb/ * writew/writel functions and the other mmio helpers. The returned * address is not guaranteed to be usable directly as a virtual - * address. + * address. * * If the area you are trying to map is a PCI BAR you should have a * look at pci_iomap(). */ +extern void __iomem *ioremap_nocache(unsigned long offset, unsigned long size); +extern void __iomem *ioremap_cache(unsigned long offset, unsigned long size); -static inline void __iomem * ioremap(unsigned long offset, unsigned long size) +/* + * The default ioremap() behavior is non-cached: + */ +static inline void __iomem *ioremap(unsigned long offset, unsigned long size) { - return __ioremap(offset, size, 0); + return ioremap_nocache(offset, size); } -extern void __iomem * ioremap_nocache(unsigned long offset, unsigned long size); extern void iounmap(volatile void __iomem *addr); /* - * bt_ioremap() and bt_iounmap() are for temporary early boot-time + * early_ioremap() and early_iounmap() are for temporary early boot-time * mappings, before the real ioremap() is functional. * A boot-time mapping is currently limited to at most 16 pages. */ -extern void *bt_ioremap(unsigned long offset, unsigned long size); -extern void bt_iounmap(void *addr, unsigned long size); +extern void early_ioremap_init(void); +extern void early_ioremap_clear(void); +extern void early_ioremap_reset(void); +extern void *early_ioremap(unsigned long offset, unsigned long size); +extern void early_iounmap(void *addr, unsigned long size); extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); /* Use early IO mappings for DMI because it's initialized early */ -#define dmi_ioremap bt_ioremap -#define dmi_iounmap bt_iounmap +#define dmi_ioremap early_ioremap +#define dmi_iounmap early_iounmap #define dmi_alloc alloc_bootmem /* @@ -250,10 +255,10 @@ static inline void flush_write_buffers(void) #endif /* __KERNEL__ */ -static inline void native_io_delay(void) -{ - asm volatile("outb %%al,$0x80" : : : "memory"); -} +extern void native_io_delay(void); + +extern int io_delay_type; +extern void io_delay_init(void); #if defined(CONFIG_PARAVIRT) #include <asm/paravirt.h> |