| 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 | |
| 12 | unsigned long sh_io_port_base __read_mostly = -1; |
| 13 | EXPORT_SYMBOL(sh_io_port_base); |
| 14 | |
| 15 | void __iomem *ioport_map(unsigned long port, unsigned int nr) |
| 16 | { |
| 17 | void __iomem *ret; |
| 18 | |
| 19 | ret = __ioport_map_trapped(port, nr); |
| 20 | if (ret) |
| 21 | return ret; |
| 22 | |
| 23 | return (void __iomem *)(port + sh_io_port_base); |
| 24 | } |
| 25 | EXPORT_SYMBOL(ioport_map); |
| 26 |