| /* 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 |
| #define ioremap_uc ioremap |
| #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 */ |