43 lines
981 B
C
43 lines
981 B
C
/*
|
|
* arch/sh/kernel/ioport.c
|
|
*
|
|
* Copyright (C) 2000 Niibe Yutaka
|
|
* Copyright (C) 2005 - 2007 Paul Mundt
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
#include <linux/module.h>
|
|
#include <linux/io.h>
|
|
|
|
unsigned long sh_io_port_base __read_mostly = -1;
|
|
EXPORT_SYMBOL(sh_io_port_base);
|
|
|
|
void __iomem *__ioport_map(unsigned long addr, unsigned int size)
|
|
{
|
|
if (sh_mv.mv_ioport_map)
|
|
return sh_mv.mv_ioport_map(addr, size);
|
|
|
|
return (void __iomem *)(addr + sh_io_port_base);
|
|
}
|
|
EXPORT_SYMBOL(__ioport_map);
|
|
|
|
void __iomem *ioport_map(unsigned long port, unsigned int nr)
|
|
{
|
|
void __iomem *ret;
|
|
|
|
ret = __ioport_map_trapped(port, nr);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return __ioport_map(port, nr);
|
|
}
|
|
EXPORT_SYMBOL(ioport_map);
|
|
|
|
void ioport_unmap(void __iomem *addr)
|
|
{
|
|
if (sh_mv.mv_ioport_unmap)
|
|
sh_mv.mv_ioport_unmap(addr);
|
|
}
|
|
EXPORT_SYMBOL(ioport_unmap);
|