arm64: dts: Revert "specify console via command line"
[linux/fpc-iii.git] / arch / sh / kernel / ioport.c
blob34f8cdbbcf0beeffe85f3265f20ade9bd28ea21f
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * arch/sh/kernel/ioport.c
5 * Copyright (C) 2000 Niibe Yutaka
6 * Copyright (C) 2005 - 2007 Paul Mundt
7 */
8 #include <linux/module.h>
9 #include <linux/io.h>
11 unsigned long sh_io_port_base __read_mostly = -1;
12 EXPORT_SYMBOL(sh_io_port_base);
14 void __iomem *__ioport_map(unsigned long addr, unsigned int size)
16 if (sh_mv.mv_ioport_map)
17 return sh_mv.mv_ioport_map(addr, size);
19 return (void __iomem *)(addr + sh_io_port_base);
21 EXPORT_SYMBOL(__ioport_map);
23 void __iomem *ioport_map(unsigned long port, unsigned int nr)
25 void __iomem *ret;
27 ret = __ioport_map_trapped(port, nr);
28 if (ret)
29 return ret;
31 return __ioport_map(port, nr);
33 EXPORT_SYMBOL(ioport_map);
35 void ioport_unmap(void __iomem *addr)
37 if (sh_mv.mv_ioport_unmap)
38 sh_mv.mv_ioport_unmap(addr);
40 EXPORT_SYMBOL(ioport_unmap);