1 /* SPDX-License-Identifier: GPL-2.0 */
7 /* Values for nocacheflag and cmode */
8 #define IOMAP_FULL_CACHING 0
9 #define IOMAP_NOCACHE_SER 1
10 #define IOMAP_NOCACHE_NONSER 2
11 #define IOMAP_WRITETHROUGH 3
14 * These functions exported by arch/m68k/mm/kmap.c.
15 * Only needed on MMU enabled systems.
17 extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size,
19 extern void iounmap(void __iomem *addr);
20 extern void __iounmap(void *addr, unsigned long size);
22 #define ioremap ioremap
23 static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
25 return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
28 #define ioremap_nocache ioremap_nocache
29 static inline void __iomem *ioremap_nocache(unsigned long physaddr,
32 return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
35 #define ioremap_uc ioremap_nocache
36 static inline void __iomem *ioremap_wt(unsigned long physaddr,
39 return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
42 #define ioremap_fillcache ioremap_fullcache
43 static inline void __iomem *ioremap_fullcache(unsigned long physaddr,
46 return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
49 static inline void memset_io(volatile void __iomem *addr, unsigned char val,
52 __builtin_memset((void __force *) addr, val, count);
55 static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
58 __builtin_memcpy(dst, (void __force *) src, count);
61 static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
64 __builtin_memcpy((void __force *) dst, src, count);
67 #endif /* CONFIG_MMU */
69 #define ioport_map ioport_map
70 static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
72 return (void __iomem *) port;
75 #define ioport_unmap ioport_unmap
76 static inline void ioport_unmap(void __iomem *p)