diff options
Diffstat (limited to 'arch/arm/mach-lpc32xx/include/mach/hardware.h')
| -rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/hardware.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-lpc32xx/include/mach/hardware.h b/arch/arm/mach-lpc32xx/include/mach/hardware.h new file mode 100644 index 00000000000..33e1dde37bd --- /dev/null +++ b/arch/arm/mach-lpc32xx/include/mach/hardware.h | |||
| @@ -0,0 +1,34 @@ | |||
| 1 | /* | ||
| 2 | * arch/arm/mach-lpc32xx/include/mach/hardware.h | ||
| 3 | * | ||
| 4 | * Copyright (c) 2005 MontaVista Software, Inc. <source@mvista.com> | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or modify | ||
| 7 | * it under the terms of the GNU General Public License as published by | ||
| 8 | * the Free Software Foundation; either version 2 of the License, or | ||
| 9 | * (at your option) any later version. | ||
| 10 | * | ||
| 11 | * This program is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | */ | ||
| 16 | |||
| 17 | #ifndef __ASM_ARCH_HARDWARE_H | ||
| 18 | #define __ASM_ARCH_HARDWARE_H | ||
| 19 | |||
| 20 | /* | ||
| 21 | * Start of virtual addresses for IO devices | ||
| 22 | */ | ||
| 23 | #define IO_BASE 0xF0000000 | ||
| 24 | |||
| 25 | /* | ||
| 26 | * This macro relies on fact that for all HW i/o addresses bits 20-23 are 0 | ||
| 27 | */ | ||
| 28 | #define IO_ADDRESS(x) (((((x) & 0xff000000) >> 4) | ((x) & 0xfffff)) |\ | ||
| 29 | IO_BASE) | ||
| 30 | |||
| 31 | #define io_p2v(x) ((void __iomem *) (unsigned long) IO_ADDRESS(x)) | ||
| 32 | #define io_v2p(x) ((((x) & 0x0ff00000) << 4) | ((x) & 0x000fffff)) | ||
| 33 | |||
| 34 | #endif | ||
