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-rw-r--r--include/asm-xtensa/io.h200
1 files changed, 0 insertions, 200 deletions
diff --git a/include/asm-xtensa/io.h b/include/asm-xtensa/io.h
deleted file mode 100644
index 07b7299dab20..000000000000
--- a/include/asm-xtensa/io.h
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * include/asm-xtensa/io.h
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2001 - 2005 Tensilica Inc.
- */
-
-#ifndef _XTENSA_IO_H
-#define _XTENSA_IO_H
-
-#ifdef __KERNEL__
-#include <asm/byteorder.h>
-#include <asm/page.h>
-#include <linux/kernel.h>
-
-#include <linux/types.h>
-
-#define XCHAL_KIO_CACHED_VADDR 0xe0000000
-#define XCHAL_KIO_BYPASS_VADDR 0xf0000000
-#define XCHAL_KIO_PADDR 0xf0000000
-#define XCHAL_KIO_SIZE 0x10000000
-
-#define IOADDR(x) (XCHAL_KIO_BYPASS_VADDR + (x))
-
-/*
- * swap functions to change byte order from little-endian to big-endian and
- * vice versa.
- */
-
-static inline unsigned short _swapw (unsigned short v)
-{
- return (v << 8) | (v >> 8);
-}
-
-static inline unsigned int _swapl (unsigned int v)
-{
- return (v << 24) | ((v & 0xff00) << 8) | ((v >> 8) & 0xff00) | (v >> 24);
-}
-
-/*
- * Change virtual addresses to physical addresses and vv.
- * These are trivial on the 1:1 Linux/Xtensa mapping
- */
-
-static inline unsigned long virt_to_phys(volatile void * address)
-{
- return __pa(address);
-}
-
-static inline void * phys_to_virt(unsigned long address)
-{
- return __va(address);
-}
-
-/*
- * virt_to_bus and bus_to_virt are deprecated.
- */
-
-#define virt_to_bus(x) virt_to_phys(x)
-#define bus_to_virt(x) phys_to_virt(x)
-
-/*
- * Return the virtual (cached) address for the specified bus memory.
- * Note that we currently don't support any address outside the KIO segment.
- */
-
-static inline void *ioremap(unsigned long offset, unsigned long size)
-{
- if (offset >= XCHAL_KIO_PADDR
- && offset < XCHAL_KIO_PADDR + XCHAL_KIO_SIZE)
- return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_BYPASS_VADDR);
-
- else
- BUG();
-}
-
-static inline void *ioremap_nocache(unsigned long offset, unsigned long size)
-{
- if (offset >= XCHAL_KIO_PADDR
- && offset < XCHAL_KIO_PADDR + XCHAL_KIO_SIZE)
- return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_CACHED_VADDR);
- else
- BUG();
-}
-
-static inline void iounmap(void *addr)
-{
-}
-
-/*
- * Generic I/O
- */
-
-#define readb(addr) \
- ({ unsigned char __v = (*(volatile unsigned char *)(addr)); __v; })
-#define readw(addr) \
- ({ unsigned short __v = (*(volatile unsigned short *)(addr)); __v; })
-#define readl(addr) \
- ({ unsigned int __v = (*(volatile unsigned int *)(addr)); __v; })
-#define writeb(b, addr) (void)((*(volatile unsigned char *)(addr)) = (b))
-#define writew(b, addr) (void)((*(volatile unsigned short *)(addr)) = (b))
-#define writel(b, addr) (void)((*(volatile unsigned int *)(addr)) = (b))
-
-static inline __u8 __raw_readb(const volatile void __iomem *addr)
-{
- return *(__force volatile __u8 *)(addr);
-}
-static inline __u16 __raw_readw(const volatile void __iomem *addr)
-{
- return *(__force volatile __u16 *)(addr);
-}
-static inline __u32 __raw_readl(const volatile void __iomem *addr)
-{
- return *(__force volatile __u32 *)(addr);
-}
-static inline void __raw_writeb(__u8 b, volatile void __iomem *addr)
-{
- *(__force volatile __u8 *)(addr) = b;
-}
-static inline void __raw_writew(__u16 b, volatile void __iomem *addr)
-{
- *(__force volatile __u16 *)(addr) = b;
-}
-static inline void __raw_writel(__u32 b, volatile void __iomem *addr)
-{
- *(__force volatile __u32 *)(addr) = b;
-}
-
-/* These are the definitions for the x86 IO instructions
- * inb/inw/inl/outb/outw/outl, the "string" versions
- * insb/insw/insl/outsb/outsw/outsl, and the "pausing" versions
- * inb_p/inw_p/...
- * The macros don't do byte-swapping.
- */
-
-#define inb(port) readb((u8 *)((port)))
-#define outb(val, port) writeb((val),(u8 *)((unsigned long)(port)))
-#define inw(port) readw((u16 *)((port)))
-#define outw(val, port) writew((val),(u16 *)((unsigned long)(port)))
-#define inl(port) readl((u32 *)((port)))
-#define outl(val, port) writel((val),(u32 *)((unsigned long)(port)))
-
-#define inb_p(port) inb((port))
-#define outb_p(val, port) outb((val), (port))
-#define inw_p(port) inw((port))
-#define outw_p(val, port) outw((val), (port))
-#define inl_p(port) inl((port))
-#define outl_p(val, port) outl((val), (port))
-
-extern void insb (unsigned long port, void *dst, unsigned long count);
-extern void insw (unsigned long port, void *dst, unsigned long count);
-extern void insl (unsigned long port, void *dst, unsigned long count);
-extern void outsb (unsigned long port, const void *src, unsigned long count);
-extern void outsw (unsigned long port, const void *src, unsigned long count);
-extern void outsl (unsigned long port, const void *src, unsigned long count);
-
-#define IO_SPACE_LIMIT ~0
-
-#define memset_io(a,b,c) memset((void *)(a),(b),(c))
-#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
-#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
-
-/* At this point the Xtensa doesn't provide byte swap instructions */
-
-#ifdef __XTENSA_EB__
-# define in_8(addr) (*(u8*)(addr))
-# define in_le16(addr) _swapw(*(u16*)(addr))
-# define in_le32(addr) _swapl(*(u32*)(addr))
-# define out_8(b, addr) *(u8*)(addr) = (b)
-# define out_le16(b, addr) *(u16*)(addr) = _swapw(b)
-# define out_le32(b, addr) *(u32*)(addr) = _swapl(b)
-#elif defined(__XTENSA_EL__)
-# define in_8(addr) (*(u8*)(addr))
-# define in_le16(addr) (*(u16*)(addr))
-# define in_le32(addr) (*(u32*)(addr))
-# define out_8(b, addr) *(u8*)(addr) = (b)
-# define out_le16(b, addr) *(u16*)(addr) = (b)
-# define out_le32(b, addr) *(u32*)(addr) = (b)
-#else
-# error processor byte order undefined!
-#endif
-
-
-/*
- * Convert a physical pointer to a virtual kernel pointer for /dev/mem access
- */
-#define xlate_dev_mem_ptr(p) __va(p)
-
-/*
- * Convert a virtual cached pointer to an uncached pointer
- */
-#define xlate_dev_kmem_ptr(p) p
-
-
-#endif /* __KERNEL__ */
-
-#endif /* _XTENSA_IO_H */