diff options
Diffstat (limited to 'arch/mips/include/asm/io.h')
| -rw-r--r-- | arch/mips/include/asm/io.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 4bee5913a5..5a4cbf564a 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -12,11 +12,36 @@ #include <linux/compiler.h> #include <asm/types.h> +#include <asm/addrspace.h> #include <asm/byteorder.h> void dma_flush_range(unsigned long, unsigned long); void dma_inv_range(unsigned long, unsigned long); +/* + * virt_to_phys - map virtual addresses to physical + * @address: address to remap + * + * The returned physical address is the physical (CPU) mapping for + * the memory address given. + */ +static inline unsigned long virt_to_phys(const void *address) +{ + return (unsigned long)CPHYSADDR(address); +} + +/* + * phys_to_virt - map physical address to virtual + * @address: address to remap + * + * The returned virtual address is a current CPU mapping for + * the memory address given. + */ +static inline void *phys_to_virt(unsigned long address) +{ + return (void *)CKSEG0ADDR(address); +} + #define IO_SPACE_LIMIT 0 /*****************************************************************************/ |