diff options
author | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
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committer | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
commit | a1df417e74aa6dae7352dc8cbb0ad471af5b7c69 (patch) | |
tree | c34b2311e37ea31db153c90cb8f4570374d05e78 /linux/arch/sh/kernel/ioport.c |
initial Olimex linux tree from Daniel, originally Feb 3, 2016
Diffstat (limited to 'linux/arch/sh/kernel/ioport.c')
-rw-r--r-- | linux/arch/sh/kernel/ioport.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/linux/arch/sh/kernel/ioport.c b/linux/arch/sh/kernel/ioport.c new file mode 100644 index 00000000..cca14ba8 --- /dev/null +++ b/linux/arch/sh/kernel/ioport.c @@ -0,0 +1,43 @@ +/* + * 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); |