From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/m68k/include/asm/kmap.h | 70 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 arch/m68k/include/asm/kmap.h (limited to 'arch/m68k/include/asm/kmap.h') diff --git a/arch/m68k/include/asm/kmap.h b/arch/m68k/include/asm/kmap.h new file mode 100644 index 0000000000..4efb3efa59 --- /dev/null +++ b/arch/m68k/include/asm/kmap.h @@ -0,0 +1,70 @@ +/* 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_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 */ -- cgit v1.2.3