1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * include/asm-mips/mach-tx49xx/ioremap.h 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun #ifndef __ASM_MACH_TX49XX_IOREMAP_H 6*4882a593Smuzhiyun #define __ASM_MACH_TX49XX_IOREMAP_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/types.h> 9*4882a593Smuzhiyun plat_ioremap(phys_addr_t offset,unsigned long size,unsigned long flags)10*4882a593Smuzhiyunstatic inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, 11*4882a593Smuzhiyun unsigned long flags) 12*4882a593Smuzhiyun { 13*4882a593Smuzhiyun #ifdef CONFIG_64BIT 14*4882a593Smuzhiyun #define TXX9_DIRECTMAP_BASE 0xfff000000ul 15*4882a593Smuzhiyun #else 16*4882a593Smuzhiyun #define TXX9_DIRECTMAP_BASE 0xff000000ul 17*4882a593Smuzhiyun #endif 18*4882a593Smuzhiyun if (offset >= TXX9_DIRECTMAP_BASE && 19*4882a593Smuzhiyun offset < TXX9_DIRECTMAP_BASE + 0x400000) 20*4882a593Smuzhiyun return (void __iomem *)(unsigned long)(int)offset; 21*4882a593Smuzhiyun return NULL; 22*4882a593Smuzhiyun } 23*4882a593Smuzhiyun plat_iounmap(const volatile void __iomem * addr)24*4882a593Smuzhiyunstatic inline int plat_iounmap(const volatile void __iomem *addr) 25*4882a593Smuzhiyun { 26*4882a593Smuzhiyun return (unsigned long)addr >= 27*4882a593Smuzhiyun (unsigned long)(int)(TXX9_DIRECTMAP_BASE & 0xffffffff); 28*4882a593Smuzhiyun } 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #endif /* __ASM_MACH_TX49XX_IOREMAP_H */ 31