projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5ddcb3c3 AN |
1 | /* |
| 2 | * include/asm-mips/mach-tx49xx/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_TX49XX_IOREMAP_H | |
| 10 | #define __ASM_MACH_TX49XX_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 | */ | |
| 15d45cce | 18 | static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size) |
| 5ddcb3c3 AN |
19 | { |
| 20 | return phys_addr; | |
| 21 | } | |
| 22 | ||
| 15d45cce | 23 | static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, |
| 5ddcb3c3 AN |
24 | unsigned long flags) |
| 25 | { | |
| 26 | #ifdef CONFIG_64BIT | |
| 27 | #define TXX9_DIRECTMAP_BASE 0xfff000000ul | |
| 28 | #else | |
| 29 | #define TXX9_DIRECTMAP_BASE 0xff000000ul | |
| 30 | #endif | |
| 31 | if (offset >= TXX9_DIRECTMAP_BASE && | |
| 32 | offset < TXX9_DIRECTMAP_BASE + 0x400000) | |
| 33 | return (void __iomem *)(unsigned long)(int)offset; | |
| 34 | return NULL; | |
| 35 | } | |
| 36 | ||
| 37 | static inline int plat_iounmap(const volatile void __iomem *addr) | |
| 38 | { | |
| f24ae12b AN |
39 | return (unsigned long)addr >= |
| 40 | (unsigned long)(int)(TXX9_DIRECTMAP_BASE & 0xffffffff); | |
| 5ddcb3c3 AN |
41 | } |
| 42 | ||
| 43 | #endif /* __ASM_MACH_TX49XX_IOREMAP_H */ |