diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-tegra/include/mach/io.h')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-tegra/include/mach/io.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-tegra/include/mach/io.h b/ANDROID_3.4.5/arch/arm/mach-tegra/include/mach/io.h new file mode 100644 index 00000000..fe700f9c --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/mach-tegra/include/mach/io.h @@ -0,0 +1,46 @@ +/* + * 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 |