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Diffstat (limited to 'arch/avr32/include/asm/io.h')
-rw-r--r-- | arch/avr32/include/asm/io.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/arch/avr32/include/asm/io.h b/arch/avr32/include/asm/io.h deleted file mode 100644 index c8d6933613..0000000000 --- a/arch/avr32/include/asm/io.h +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright (C) 2006 Atmel Corporation - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#ifndef __ASM_AVR32_IO_H -#define __ASM_AVR32_IO_H - -#include <asm/types.h> - -#ifdef __KERNEL__ - -/* - * Generic IO read/write. These perform native-endian accesses. Note - * that some architectures will want to re-define __raw_{read,write}w. - */ -extern void __raw_writesb(unsigned int addr, const void *data, int bytelen); -extern void __raw_writesw(unsigned int addr, const void *data, int wordlen); -extern void __raw_writesl(unsigned int addr, const void *data, int longlen); - -extern void __raw_readsb(unsigned int addr, void *data, int bytelen); -extern void __raw_readsw(unsigned int addr, void *data, int wordlen); -extern void __raw_readsl(unsigned int addr, void *data, int longlen); - -#define __raw_writeb(v,a) (*(volatile unsigned char *)(a) = (v)) -#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v)) -#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v)) - -#define __raw_readb(a) (*(volatile unsigned char *)(a)) -#define __raw_readw(a) (*(volatile unsigned short *)(a)) -#define __raw_readl(a) (*(volatile unsigned int *)(a)) - -/* As long as I/O is only performed in P4 (or possibly P3), we're safe */ -#define writeb(v,a) __raw_writeb(v,a) -#define writew(v,a) __raw_writew(v,a) -#define writel(v,a) __raw_writel(v,a) - -#define readb(a) __raw_readb(a) -#define readw(a) __raw_readw(a) -#define readl(a) __raw_readl(a) - -/* - * Bad read/write accesses... - */ -extern void __readwrite_bug(const char *fn); - -#define IO_SPACE_LIMIT 0xffffffff - -/* - * All I/O is memory mapped, so these macros doesn't make very much sense - */ -#define outb(v,p) __raw_writeb(v, p) -#define outw(v,p) __raw_writew(cpu_to_le16(v),p) -#define outl(v,p) __raw_writel(cpu_to_le32(v),p) - -#define inb(p) ({ unsigned int __v = __raw_readb(p); __v; }) -#define inw(p) ({ unsigned int __v = __le16_to_cpu(__raw_readw(p)); __v; }) -#define inl(p) ({ unsigned int __v = __le32_to_cpu(__raw_readl(p)); __v; }) - -#include <asm/arch/addrspace.h> -/* Provides virt_to_phys, phys_to_virt, cached, uncached, map_physmem */ - -#endif /* __KERNEL__ */ - -static inline void sync(void) -{ -} - -/* - * Take down a mapping set up by map_physmem(). - */ -static inline void unmap_physmem(void *vaddr, unsigned long len) -{ - -} - -#endif /* __ASM_AVR32_IO_H */ |