1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * include/asm-mips/mach-tx49xx/ioremap.h
5 #ifndef __ASM_MACH_TX49XX_IOREMAP_H
6 #define __ASM_MACH_TX49XX_IOREMAP_H
8 #include <linux/types.h>
11 * Allow physical addresses to be fixed up to help peripherals located
12 * outside the low 32-bit range -- generic pass-through version.
14 static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
19 static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
23 #define TXX9_DIRECTMAP_BASE 0xfff000000ul
25 #define TXX9_DIRECTMAP_BASE 0xff000000ul
27 if (offset >= TXX9_DIRECTMAP_BASE &&
28 offset < TXX9_DIRECTMAP_BASE + 0x400000)
29 return (void __iomem *)(unsigned long)(int)offset;
33 static inline int plat_iounmap(const volatile void __iomem *addr)
35 return (unsigned long)addr >=
36 (unsigned long)(int)(TXX9_DIRECTMAP_BASE & 0xffffffff);
39 #endif /* __ASM_MACH_TX49XX_IOREMAP_H */