1 /* SPDX-License-Identifier: GPL-2.0 */
7 #define ARCH_HAS_IOREMAP_WT
9 /* Values for nocacheflag and cmode */
10 #define IOMAP_FULL_CACHING 0
11 #define IOMAP_NOCACHE_SER 1
12 #define IOMAP_NOCACHE_NONSER 2
13 #define IOMAP_WRITETHROUGH 3
16 * These functions exported by arch/m68k/mm/kmap.c.
17 * Only needed on MMU enabled systems.
19 extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size,
21 #define iounmap iounmap
22 extern void iounmap(void __iomem *addr);
23 extern void __iounmap(void *addr, unsigned long size);
25 #define ioremap ioremap
26 static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
28 return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
31 #define ioremap_nocache ioremap_nocache
32 static inline void __iomem *ioremap_nocache(unsigned long physaddr,
35 return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
38 #define ioremap_uc ioremap_nocache
39 #define ioremap_wt ioremap_wt
40 static inline void __iomem *ioremap_wt(unsigned long physaddr,
43 return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
46 #define ioremap_fullcache ioremap_fullcache
47 static inline void __iomem *ioremap_fullcache(unsigned long physaddr,
50 return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
53 #define memset_io memset_io
54 static inline void memset_io(volatile void __iomem *addr, unsigned char val,
57 __builtin_memset((void __force *) addr, val, count);
60 #define memcpy_fromio memcpy_fromio
61 static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
64 __builtin_memcpy(dst, (void __force *) src, count);
67 #define memcpy_toio memcpy_toio
68 static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
71 __builtin_memcpy((void __force *) dst, src, count);
74 #endif /* CONFIG_MMU */
76 #define ioport_map ioport_map
77 static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
79 return (void __iomem *) port;
82 #define ioport_unmap ioport_unmap
83 static inline void ioport_unmap(void __iomem *p)