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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _KMAP_H #define _KMAP_H #ifdef CONFIG_MMU /* 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); #define ioremap ioremap static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size) { return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); } #define ioremap_wt ioremap_wt static inline void __iomem *ioremap_wt(unsigned long physaddr, unsigned long size) { return __ioremap(physaddr, size, IOMAP_WRITETHROUGH); } #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 */ |