diff options
Diffstat (limited to 'include/asm-x86/io.h')
| -rw-r--r-- | include/asm-x86/io.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h index 8e9eca93f9b9..c63563df4ac8 100644 --- a/include/asm-x86/io.h +++ b/include/asm-x86/io.h @@ -72,4 +72,17 @@ extern int ioremap_change_attr(unsigned long vaddr, unsigned long size, unsigned long prot_val); extern void __iomem *ioremap_wc(unsigned long offset, unsigned long size); +/* + * 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 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); + + #endif /* _ASM_X86_IO_H */ |