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authorTony Lindgren <tony@atomide.com>2010-08-04 07:43:45 -0400
committerTony Lindgren <tony@atomide.com>2010-08-04 07:43:45 -0400
commit7590d1defdc720a97a9e186f45f529c4ae1b40f7 (patch)
treee7ffdc043a2847f410d654d8e99e001f3138937a /arch/arm/mach-lpc32xx/include/mach/hardware.h
parent7e788b4289bb025a96e327c604cb2db92e17108f (diff)
parent869fef41547db95df8523bf67845a21313709428 (diff)
Merge branch 'devel-map-io' into omap-for-linus
Diffstat (limited to 'arch/arm/mach-lpc32xx/include/mach/hardware.h')
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/hardware.h34
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 000000000000..33e1dde37bd9
--- /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