1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * arch/sh/kernel/ioport.c
 4 *
 5 * Copyright (C) 2000  Niibe Yutaka
 6 * Copyright (C) 2005 - 2007 Paul Mundt
 
 
 
 
 7 */
 8#include <linux/module.h>
 9#include <linux/io.h>
10#include <asm/io_trapped.h>
11
12unsigned long sh_io_port_base __read_mostly = -1;
13EXPORT_SYMBOL(sh_io_port_base);
14
15void __iomem *__ioport_map(unsigned long addr, unsigned int size)
16{
17	if (sh_mv.mv_ioport_map)
18		return sh_mv.mv_ioport_map(addr, size);
19
20	return (void __iomem *)(addr + sh_io_port_base);
21}
22EXPORT_SYMBOL(__ioport_map);
23
24void __iomem *ioport_map(unsigned long port, unsigned int nr)
25{
26	void __iomem *ret;
27
28	ret = __ioport_map_trapped(port, nr);
29	if (ret)
30		return ret;
31
32	return __ioport_map(port, nr);
33}
34EXPORT_SYMBOL(ioport_map);
35
36void ioport_unmap(void __iomem *addr)
37{
38	if (sh_mv.mv_ioport_unmap)
39		sh_mv.mv_ioport_unmap(addr);
40}
41EXPORT_SYMBOL(ioport_unmap);

 
 1/*
 2 * arch/sh/kernel/ioport.c
 3 *
 4 * Copyright (C) 2000  Niibe Yutaka
 5 * Copyright (C) 2005 - 2007 Paul Mundt
 6 *
 7 * This file is subject to the terms and conditions of the GNU General Public
 8 * License.  See the file "COPYING" in the main directory of this archive
 9 * for more details.
10 */
11#include <linux/module.h>
12#include <linux/io.h>
 
13
14const unsigned long sh_io_port_base __read_mostly = -1;
15EXPORT_SYMBOL(sh_io_port_base);
16
17void __iomem *__ioport_map(unsigned long addr, unsigned int size)
18{
19	if (sh_mv.mv_ioport_map)
20		return sh_mv.mv_ioport_map(addr, size);
21
22	return (void __iomem *)(addr + sh_io_port_base);
23}
24EXPORT_SYMBOL(__ioport_map);
25
26void __iomem *ioport_map(unsigned long port, unsigned int nr)
27{
28	void __iomem *ret;
29
30	ret = __ioport_map_trapped(port, nr);
31	if (ret)
32		return ret;
33
34	return __ioport_map(port, nr);
35}
36EXPORT_SYMBOL(ioport_map);
37
38void ioport_unmap(void __iomem *addr)
39{
40	if (sh_mv.mv_ioport_unmap)
41		sh_mv.mv_ioport_unmap(addr);
42}
43EXPORT_SYMBOL(ioport_unmap);