ioremap.h (772B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * include/asm-mips/mach-tx49xx/ioremap.h 4 */ 5#ifndef __ASM_MACH_TX49XX_IOREMAP_H 6#define __ASM_MACH_TX49XX_IOREMAP_H 7 8#include <linux/types.h> 9 10static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, 11 unsigned long flags) 12{ 13#ifdef CONFIG_64BIT 14#define TXX9_DIRECTMAP_BASE 0xfff000000ul 15#else 16#define TXX9_DIRECTMAP_BASE 0xff000000ul 17#endif 18 if (offset >= TXX9_DIRECTMAP_BASE && 19 offset < TXX9_DIRECTMAP_BASE + 0x400000) 20 return (void __iomem *)(unsigned long)(int)offset; 21 return NULL; 22} 23 24static inline int plat_iounmap(const volatile void __iomem *addr) 25{ 26 return (unsigned long)addr >= 27 (unsigned long)(int)(TXX9_DIRECTMAP_BASE & 0xffffffff); 28} 29 30#endif /* __ASM_MACH_TX49XX_IOREMAP_H */