[J-u-boot.git] / include / mapmem.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2015 National Instruments
 *
 * (C) Copyright 2015
 * Joe Hershberger <[email protected]>
 */

#ifndef __MAPMEM_H
#define __MAPMEM_H

/* Define a null map_sysmem() if the architecture doesn't use it */
# ifdef CONFIG_ARCH_MAP_SYSMEM
#include <asm/io.h>
# else
static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
{
	return (void *)(uintptr_t)paddr;
}

static inline void unmap_sysmem(const void *vaddr)
{
}

static inline phys_addr_t map_to_sysmem(const void *ptr)
{
	return (phys_addr_t)(uintptr_t)ptr;
}
# endif

#endif /* __MAPMEM_H */
Commit	Line	Data
83d290c5	1	/* SPDX-License-Identifier: GPL-2.0 */
0eb25b61 JH	2	/*
	3	* Copyright (c) 2015 National Instruments
	4	*
	5	* (C) Copyright 2015
	6	* Joe Hershberger <[email protected]>
0eb25b61 JH	7	*/
	8
	9	#ifndef __MAPMEM_H
	10	#define __MAPMEM_H
	11
	12	/* Define a null map_sysmem() if the architecture doesn't use it */
	13	# ifdef CONFIG_ARCH_MAP_SYSMEM
	14	#include <asm/io.h>
	15	# else
	16	static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
	17	{
	18	return (void *)(uintptr_t)paddr;
	19	}
	20
	21	static inline void unmap_sysmem(const void *vaddr)
	22	{
	23	}
	24
	25	static inline phys_addr_t map_to_sysmem(const void *ptr)
	26	{
	27	return (phys_addr_t)(uintptr_t)ptr;
	28	}
	29	# endif
	30
	31	#endif /* __MAPMEM_H */