| /* |
| * include/asm-mips/mach-tx49xx/ioremap.h |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| #ifndef __ASM_MACH_TX49XX_IOREMAP_H |
| #define __ASM_MACH_TX49XX_IOREMAP_H |
| |
| #include <linux/types.h> |
| |
| /* |
| * Allow physical addresses to be fixed up to help peripherals located |
| * outside the low 32-bit range -- generic pass-through version. |
| */ |
| static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) |
| { |
| return phys_addr; |
| } |
| |
| static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size, |
| unsigned long flags) |
| { |
| #ifdef CONFIG_64BIT |
| #define TXX9_DIRECTMAP_BASE 0xfff000000ul |
| #else |
| #define TXX9_DIRECTMAP_BASE 0xff000000ul |
| #endif |
| if (offset >= TXX9_DIRECTMAP_BASE && |
| offset < TXX9_DIRECTMAP_BASE + 0x400000) |
| return (void __iomem *)(unsigned long)(int)offset; |
| return NULL; |
| } |
| |
| static inline int plat_iounmap(const volatile void __iomem *addr) |
| { |
| return (unsigned long)addr >= |
| (unsigned long)(int)(TXX9_DIRECTMAP_BASE & 0xffffffff); |
| } |
| |
| #endif /* __ASM_MACH_TX49XX_IOREMAP_H */ |
