| Thomas Gleixner | c942fdd | 2019-05-27 08:55:06 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Kevin Wells | 437db59 | 2010-02-26 15:53:38 -0800 | [diff] [blame] | 2 | /* |
| 3 | * arch/arm/mach-lpc32xx/include/mach/hardware.h |
| 4 | * |
| 5 | * Copyright (c) 2005 MontaVista Software, Inc. <source@mvista.com> |
| Kevin Wells | 437db59 | 2010-02-26 15:53:38 -0800 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #ifndef __ASM_ARCH_HARDWARE_H |
| 9 | #define __ASM_ARCH_HARDWARE_H |
| 10 | |
| 11 | /* |
| 12 | * Start of virtual addresses for IO devices |
| 13 | */ |
| 14 | #define IO_BASE 0xF0000000 |
| 15 | |
| 16 | /* |
| 17 | * This macro relies on fact that for all HW i/o addresses bits 20-23 are 0 |
| 18 | */ |
| Arnd Bergmann | df38b24 | 2012-09-14 20:20:24 +0000 | [diff] [blame] | 19 | #define IO_ADDRESS(x) IOMEM(((((x) & 0xff000000) >> 4) | ((x) & 0xfffff)) |\ |
| Kevin Wells | 437db59 | 2010-02-26 15:53:38 -0800 | [diff] [blame] | 20 | IO_BASE) |
| 21 | |
| 22 | #define io_p2v(x) ((void __iomem *) (unsigned long) IO_ADDRESS(x)) |
| 23 | #define io_v2p(x) ((((x) & 0x0ff00000) << 4) | ((x) & 0x000fffff)) |
| 24 | |
| 25 | #endif |