forked from mirrors/linux
ab4d391d27
The mem*io define guards are applicable to all users of <asm/kmap.h>. Hence move them, and drop the #ifdef. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer <gerg@linux-m68k.org>
87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _KMAP_H
|
|
#define _KMAP_H
|
|
|
|
#ifdef CONFIG_MMU
|
|
|
|
#define ARCH_HAS_IOREMAP_WT
|
|
|
|
/* Values for nocacheflag and cmode */
|
|
#define IOMAP_FULL_CACHING 0
|
|
#define IOMAP_NOCACHE_SER 1
|
|
#define IOMAP_NOCACHE_NONSER 2
|
|
#define IOMAP_WRITETHROUGH 3
|
|
|
|
/*
|
|
* These functions exported by arch/m68k/mm/kmap.c.
|
|
* Only needed on MMU enabled systems.
|
|
*/
|
|
extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size,
|
|
int cacheflag);
|
|
#define iounmap iounmap
|
|
extern void iounmap(void __iomem *addr);
|
|
extern void __iounmap(void *addr, unsigned long size);
|
|
|
|
#define ioremap ioremap
|
|
static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
|
|
{
|
|
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
|
|
}
|
|
|
|
#define ioremap_nocache ioremap_nocache
|
|
static inline void __iomem *ioremap_nocache(unsigned long physaddr,
|
|
unsigned long size)
|
|
{
|
|
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
|
|
}
|
|
|
|
#define ioremap_uc ioremap_nocache
|
|
#define ioremap_wt ioremap_wt
|
|
static inline void __iomem *ioremap_wt(unsigned long physaddr,
|
|
unsigned long size)
|
|
{
|
|
return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
|
|
}
|
|
|
|
#define ioremap_fullcache ioremap_fullcache
|
|
static inline void __iomem *ioremap_fullcache(unsigned long physaddr,
|
|
unsigned long size)
|
|
{
|
|
return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
|
|
}
|
|
|
|
#define memset_io memset_io
|
|
static inline void memset_io(volatile void __iomem *addr, unsigned char val,
|
|
int count)
|
|
{
|
|
__builtin_memset((void __force *) addr, val, count);
|
|
}
|
|
|
|
#define memcpy_fromio memcpy_fromio
|
|
static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
|
|
int count)
|
|
{
|
|
__builtin_memcpy(dst, (void __force *) src, count);
|
|
}
|
|
|
|
#define memcpy_toio memcpy_toio
|
|
static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
|
|
int count)
|
|
{
|
|
__builtin_memcpy((void __force *) dst, src, count);
|
|
}
|
|
|
|
#endif /* CONFIG_MMU */
|
|
|
|
#define ioport_map ioport_map
|
|
static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
|
|
{
|
|
return (void __iomem *) port;
|
|
}
|
|
|
|
#define ioport_unmap ioport_unmap
|
|
static inline void ioport_unmap(void __iomem *p)
|
|
{
|
|
}
|
|
|
|
#endif /* _KMAP_H */
|