M7350/kernel/arch/arm/mach-tegra/include/mach/io.h

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2024-09-09 08:52:07 +00:00
/*
* arch/arm/mach-tegra/include/mach/io.h
*
* Copyright (C) 2010 Google, Inc.
*
* Author:
* Colin Cross <ccross@google.com>
* Erik Gilling <konkers@google.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __MACH_TEGRA_IO_H
#define __MACH_TEGRA_IO_H
#define IO_SPACE_LIMIT 0xffff
#ifndef __ASSEMBLER__
#ifdef CONFIG_TEGRA_PCI
extern void __iomem *tegra_pcie_io_base;
static inline void __iomem *__io(unsigned long addr)
{
return tegra_pcie_io_base + (addr & IO_SPACE_LIMIT);
}
#else
static inline void __iomem *__io(unsigned long addr)
{
return (void __iomem *)addr;
}
#endif
#define __io(a) __io(a)
#endif
#endif