diff options
Diffstat (limited to 'include/asm-mips/io.h')
-rw-r--r-- | include/asm-mips/io.h | 36 |
1 files changed, 7 insertions, 29 deletions
diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index 1a89c2cf0..f89b4c754 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h @@ -111,9 +111,6 @@ extern inline void * phys_to_virt(unsigned long address) return (void *)KSEG0ADDR(address); } -extern void * ioremap(unsigned long phys_addr, unsigned long size); -extern void iounmap(void *addr); - /* * IO bus memory addresses are also 1:1 with the physical address */ @@ -133,39 +130,20 @@ extern inline void * bus_to_virt(unsigned long address) */ extern unsigned long isa_slot_offset; -/* - * readX/writeX() are used to access memory mapped devices. On some - * architectures the memory mapped IO stuff needs to be accessed - * differently. On the x86 architecture, we just read/write the - * memory location directly. - * - * On MIPS, we have the whole physical address space mapped at all - * times, so "ioremap()" and "iounmap()" do not need to do anything. - * (This isn't true for all machines but we still handle these cases - * with wired TLB entries anyway ...) - * - * We cheat a bit and always return uncachable areas until we've fixed - * the drivers to handle caching properly. - */ -extern inline void * ioremap(unsigned long offset, unsigned long size) -{ - return (void *) KSEG1ADDR(offset); -} +extern void * __ioremap(unsigned long offset, unsigned long size); -/* - * This one maps high address device memory and turns off caching for that area. - * it's useful if some control registers are in such an area and write combining - * or read caching is not desirable: - */ -extern inline void * ioremap_nocache (unsigned long offset, unsigned long size) +extern inline void *ioremap(unsigned long offset, unsigned long size) { - return (void *) KSEG1ADDR(offset); + return __ioremap(offset, size); } -extern inline void iounmap(void *addr) +extern inline void *ioremap_nocache(unsigned long offset, unsigned long size) { + return __ioremap(offset, size); } +extern void iounmap(void *addr); + /* * XXX We need system specific versions of these to handle EISA address bits * 24-31 on SNI. |