| Atsushi Nemoto | 5ddcb3c | 2007-06-26 01:14:01 +0900 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-mips/mach-jmr3927/ioremap.h |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version |
| 7 | * 2 of the License, or (at your option) any later version. |
| 8 | */ |
| 9 | #ifndef __ASM_MACH_JMR3927_IOREMAP_H |
| 10 | #define __ASM_MACH_JMR3927_IOREMAP_H |
| 11 | |
| 12 | #include <linux/types.h> |
| 13 | |
| 14 | /* |
| 15 | * Allow physical addresses to be fixed up to help peripherals located |
| 16 | * outside the low 32-bit range -- generic pass-through version. |
| 17 | */ |
| 18 | static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) |
| 19 | { |
| 20 | return phys_addr; |
| 21 | } |
| 22 | |
| 23 | static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size, |
| 24 | unsigned long flags) |
| 25 | { |
| 26 | #define TXX9_DIRECTMAP_BASE 0xff000000ul |
| 27 | if (offset >= TXX9_DIRECTMAP_BASE && |
| 28 | offset < TXX9_DIRECTMAP_BASE + 0xf0000) |
| 29 | return (void __iomem *)offset; |
| 30 | return NULL; |
| 31 | } |
| 32 | |
| 33 | static inline int plat_iounmap(const volatile void __iomem *addr) |
| 34 | { |
| 35 | return (unsigned long)addr >= TXX9_DIRECTMAP_BASE; |
| 36 | } |
| 37 | |
| 38 | #endif /* __ASM_MACH_JMR3927_IOREMAP_H */ |