xref: /openbmc/linux/arch/sh/include/asm/io_generic.h (revision bc5aa3a0)
1 /*
2  * Trivial I/O routine definitions, intentionally meant to be included
3  * multiple times. Ugly I/O routine concatenation helpers taken from
4  * alpha. Must be included _before_ io.h to avoid preprocessor-induced
5  * routine mismatch.
6  */
7 #define IO_CONCAT(a,b)	_IO_CONCAT(a,b)
8 #define _IO_CONCAT(a,b)	a ## _ ## b
9 
10 #ifndef __IO_PREFIX
11 #error "Don't include this header without a valid system prefix"
12 #endif
13 
14 void __iomem *IO_CONCAT(__IO_PREFIX,ioport_map)(unsigned long addr, unsigned int size);
15 void IO_CONCAT(__IO_PREFIX,ioport_unmap)(void __iomem *addr);
16 void IO_CONCAT(__IO_PREFIX,mem_init)(void);
17 
18 #undef __IO_PREFIX
19