/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/asm-mips/mach-tx49xx/ioremap.h */ #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_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size) { return phys_addr; } static inline void __iomem *plat_ioremap(phys_addr_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 */