1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (c) 2015 National Instruments 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * (C) Copyright 2015 5*4882a593Smuzhiyun * Joe Hershberger <joe.hershberger@ni.com> 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __MAPMEM_H 11*4882a593Smuzhiyun #define __MAPMEM_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun /* Define a null map_sysmem() if the architecture doesn't use it */ 14*4882a593Smuzhiyun # ifdef CONFIG_ARCH_MAP_SYSMEM 15*4882a593Smuzhiyun #include <asm/io.h> 16*4882a593Smuzhiyun # else map_sysmem(phys_addr_t paddr,unsigned long len)17*4882a593Smuzhiyunstatic inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 18*4882a593Smuzhiyun { 19*4882a593Smuzhiyun return (void *)(uintptr_t)paddr; 20*4882a593Smuzhiyun } 21*4882a593Smuzhiyun unmap_sysmem(const void * vaddr)22*4882a593Smuzhiyunstatic inline void unmap_sysmem(const void *vaddr) 23*4882a593Smuzhiyun { 24*4882a593Smuzhiyun } 25*4882a593Smuzhiyun map_to_sysmem(const void * ptr)26*4882a593Smuzhiyunstatic inline phys_addr_t map_to_sysmem(const void *ptr) 27*4882a593Smuzhiyun { 28*4882a593Smuzhiyun return (phys_addr_t)(uintptr_t)ptr; 29*4882a593Smuzhiyun } 30*4882a593Smuzhiyun # endif 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #endif /* __MAPMEM_H */ 33