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-rw-r--r--include/asm-ia64/io.h459
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diff --git a/include/asm-ia64/io.h b/include/asm-ia64/io.h
deleted file mode 100644
index 260a85ac9d6a..000000000000
--- a/include/asm-ia64/io.h
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@@ -1,459 +0,0 @@
-#ifndef _ASM_IA64_IO_H
-#define _ASM_IA64_IO_H
-
-/*
- * This file contains the definitions for the emulated IO instructions
- * inb/inw/inl/outb/outw/outl and the "string versions" of the same
- * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
- * versions of the single-IO instructions (inb_p/inw_p/..).
- *
- * This file is not meant to be obfuscating: it's just complicated to
- * (a) handle it all in a way that makes gcc able to optimize it as
- * well as possible and (b) trying to avoid writing the same thing
- * over and over again with slight variations and possibly making a
- * mistake somewhere.
- *
- * Copyright (C) 1998-2003 Hewlett-Packard Co
- * David Mosberger-Tang <davidm@hpl.hp.com>
- * Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
- * Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
- */
-
-/* We don't use IO slowdowns on the ia64, but.. */
-#define __SLOW_DOWN_IO do { } while (0)
-#define SLOW_DOWN_IO do { } while (0)
-
-#define __IA64_UNCACHED_OFFSET RGN_BASE(RGN_UNCACHED)
-
-/*
- * The legacy I/O space defined by the ia64 architecture supports only 65536 ports, but
- * large machines may have multiple other I/O spaces so we can't place any a priori limit
- * on IO_SPACE_LIMIT. These additional spaces are described in ACPI.
- */
-#define IO_SPACE_LIMIT 0xffffffffffffffffUL
-
-#define MAX_IO_SPACES_BITS 8
-#define MAX_IO_SPACES (1UL << MAX_IO_SPACES_BITS)
-#define IO_SPACE_BITS 24
-#define IO_SPACE_SIZE (1UL << IO_SPACE_BITS)
-
-#define IO_SPACE_NR(port) ((port) >> IO_SPACE_BITS)
-#define IO_SPACE_BASE(space) ((space) << IO_SPACE_BITS)
-#define IO_SPACE_PORT(port) ((port) & (IO_SPACE_SIZE - 1))
-
-#define IO_SPACE_SPARSE_ENCODING(p) ((((p) >> 2) << 12) | ((p) & 0xfff))
-
-struct io_space {
- unsigned long mmio_base; /* base in MMIO space */
- int sparse;
-};
-
-extern struct io_space io_space[];
-extern unsigned int num_io_spaces;
-
-# ifdef __KERNEL__
-
-/*
- * All MMIO iomem cookies are in region 6; anything less is a PIO cookie:
- * 0xCxxxxxxxxxxxxxxx MMIO cookie (return from ioremap)
- * 0x000000001SPPPPPP PIO cookie (S=space number, P..P=port)
- *
- * ioread/writeX() uses the leading 1 in PIO cookies (PIO_OFFSET) to catch
- * code that uses bare port numbers without the prerequisite pci_iomap().
- */
-#define PIO_OFFSET (1UL << (MAX_IO_SPACES_BITS + IO_SPACE_BITS))
-#define PIO_MASK (PIO_OFFSET - 1)
-#define PIO_RESERVED __IA64_UNCACHED_OFFSET
-#define HAVE_ARCH_PIO_SIZE
-
-#include <asm/intrinsics.h>
-#include <asm/machvec.h>
-#include <asm/page.h>
-#include <asm/system.h>
-#include <asm-generic/iomap.h>
-
-/*
- * Change virtual addresses to physical addresses and vv.
- */
-static inline unsigned long
-virt_to_phys (volatile void *address)
-{
- return (unsigned long) address - PAGE_OFFSET;
-}
-
-static inline void*
-phys_to_virt (unsigned long address)
-{
- return (void *) (address + PAGE_OFFSET);
-}
-
-#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
-extern u64 kern_mem_attribute (unsigned long phys_addr, unsigned long size);
-extern int valid_phys_addr_range (unsigned long addr, size_t count); /* efi.c */
-extern int valid_mmap_phys_addr_range (unsigned long pfn, size_t count);
-
-/*
- * The following two macros are deprecated and scheduled for removal.
- * Please use the PCI-DMA interface defined in <asm/pci.h> instead.
- */
-#define bus_to_virt phys_to_virt
-#define virt_to_bus virt_to_phys
-#define page_to_bus page_to_phys
-
-# endif /* KERNEL */
-
-/*
- * Memory fence w/accept. This should never be used in code that is
- * not IA-64 specific.
- */
-#define __ia64_mf_a() ia64_mfa()
-
-/**
- * ___ia64_mmiowb - I/O write barrier
- *
- * Ensure ordering of I/O space writes. This will make sure that writes
- * following the barrier will arrive after all previous writes. For most
- * ia64 platforms, this is a simple 'mf.a' instruction.
- *
- * See Documentation/DocBook/deviceiobook.tmpl for more information.
- */
-static inline void ___ia64_mmiowb(void)
-{
- ia64_mfa();
-}
-
-static inline void*
-__ia64_mk_io_addr (unsigned long port)
-{
- struct io_space *space;
- unsigned long offset;
-
- space = &io_space[IO_SPACE_NR(port)];
- port = IO_SPACE_PORT(port);
- if (space->sparse)
- offset = IO_SPACE_SPARSE_ENCODING(port);
- else
- offset = port;
-
- return (void *) (space->mmio_base | offset);
-}
-
-#define __ia64_inb ___ia64_inb
-#define __ia64_inw ___ia64_inw
-#define __ia64_inl ___ia64_inl
-#define __ia64_outb ___ia64_outb
-#define __ia64_outw ___ia64_outw
-#define __ia64_outl ___ia64_outl
-#define __ia64_readb ___ia64_readb
-#define __ia64_readw ___ia64_readw
-#define __ia64_readl ___ia64_readl
-#define __ia64_readq ___ia64_readq
-#define __ia64_readb_relaxed ___ia64_readb
-#define __ia64_readw_relaxed ___ia64_readw
-#define __ia64_readl_relaxed ___ia64_readl
-#define __ia64_readq_relaxed ___ia64_readq
-#define __ia64_writeb ___ia64_writeb
-#define __ia64_writew ___ia64_writew
-#define __ia64_writel ___ia64_writel
-#define __ia64_writeq ___ia64_writeq
-#define __ia64_mmiowb ___ia64_mmiowb
-
-/*
- * For the in/out routines, we need to do "mf.a" _after_ doing the I/O access to ensure
- * that the access has completed before executing other I/O accesses. Since we're doing
- * the accesses through an uncachable (UC) translation, the CPU will execute them in
- * program order. However, we still need to tell the compiler not to shuffle them around
- * during optimization, which is why we use "volatile" pointers.
- */
-
-static inline unsigned int
-___ia64_inb (unsigned long port)
-{
- volatile unsigned char *addr = __ia64_mk_io_addr(port);
- unsigned char ret;
-
- ret = *addr;
- __ia64_mf_a();
- return ret;
-}
-
-static inline unsigned int
-___ia64_inw (unsigned long port)
-{
- volatile unsigned short *addr = __ia64_mk_io_addr(port);
- unsigned short ret;
-
- ret = *addr;
- __ia64_mf_a();
- return ret;
-}
-
-static inline unsigned int
-___ia64_inl (unsigned long port)
-{
- volatile unsigned int *addr = __ia64_mk_io_addr(port);
- unsigned int ret;
-
- ret = *addr;
- __ia64_mf_a();
- return ret;
-}
-
-static inline void
-___ia64_outb (unsigned char val, unsigned long port)
-{
- volatile unsigned char *addr = __ia64_mk_io_addr(port);
-
- *addr = val;
- __ia64_mf_a();
-}
-
-static inline void
-___ia64_outw (unsigned short val, unsigned long port)
-{
- volatile unsigned short *addr = __ia64_mk_io_addr(port);
-
- *addr = val;
- __ia64_mf_a();
-}
-
-static inline void
-___ia64_outl (unsigned int val, unsigned long port)
-{
- volatile unsigned int *addr = __ia64_mk_io_addr(port);
-
- *addr = val;
- __ia64_mf_a();
-}
-
-static inline void
-__insb (unsigned long port, void *dst, unsigned long count)
-{
- unsigned char *dp = dst;
-
- while (count--)
- *dp++ = platform_inb(port);
-}
-
-static inline void
-__insw (unsigned long port, void *dst, unsigned long count)
-{
- unsigned short *dp = dst;
-
- while (count--)
- *dp++ = platform_inw(port);
-}
-
-static inline void
-__insl (unsigned long port, void *dst, unsigned long count)
-{
- unsigned int *dp = dst;
-
- while (count--)
- *dp++ = platform_inl(port);
-}
-
-static inline void
-__outsb (unsigned long port, const void *src, unsigned long count)
-{
- const unsigned char *sp = src;
-
- while (count--)
- platform_outb(*sp++, port);
-}
-
-static inline void
-__outsw (unsigned long port, const void *src, unsigned long count)
-{
- const unsigned short *sp = src;
-
- while (count--)
- platform_outw(*sp++, port);
-}
-
-static inline void
-__outsl (unsigned long port, const void *src, unsigned long count)
-{
- const unsigned int *sp = src;
-
- while (count--)
- platform_outl(*sp++, port);
-}
-
-/*
- * Unfortunately, some platforms are broken and do not follow the IA-64 architecture
- * specification regarding legacy I/O support. Thus, we have to make these operations
- * platform dependent...
- */
-#define __inb platform_inb
-#define __inw platform_inw
-#define __inl platform_inl
-#define __outb platform_outb
-#define __outw platform_outw
-#define __outl platform_outl
-#define __mmiowb platform_mmiowb
-
-#define inb(p) __inb(p)
-#define inw(p) __inw(p)
-#define inl(p) __inl(p)
-#define insb(p,d,c) __insb(p,d,c)
-#define insw(p,d,c) __insw(p,d,c)
-#define insl(p,d,c) __insl(p,d,c)
-#define outb(v,p) __outb(v,p)
-#define outw(v,p) __outw(v,p)
-#define outl(v,p) __outl(v,p)
-#define outsb(p,s,c) __outsb(p,s,c)
-#define outsw(p,s,c) __outsw(p,s,c)
-#define outsl(p,s,c) __outsl(p,s,c)
-#define mmiowb() __mmiowb()
-
-/*
- * The address passed to these functions are ioremap()ped already.
- *
- * We need these to be machine vectors since some platforms don't provide
- * DMA coherence via PIO reads (PCI drivers and the spec imply that this is
- * a good idea). Writes are ok though for all existing ia64 platforms (and
- * hopefully it'll stay that way).
- */
-static inline unsigned char
-___ia64_readb (const volatile void __iomem *addr)
-{
- return *(volatile unsigned char __force *)addr;
-}
-
-static inline unsigned short
-___ia64_readw (const volatile void __iomem *addr)
-{
- return *(volatile unsigned short __force *)addr;
-}
-
-static inline unsigned int
-___ia64_readl (const volatile void __iomem *addr)
-{
- return *(volatile unsigned int __force *) addr;
-}
-
-static inline unsigned long
-___ia64_readq (const volatile void __iomem *addr)
-{
- return *(volatile unsigned long __force *) addr;
-}
-
-static inline void
-__writeb (unsigned char val, volatile void __iomem *addr)
-{
- *(volatile unsigned char __force *) addr = val;
-}
-
-static inline void
-__writew (unsigned short val, volatile void __iomem *addr)
-{
- *(volatile unsigned short __force *) addr = val;
-}
-
-static inline void
-__writel (unsigned int val, volatile void __iomem *addr)
-{
- *(volatile unsigned int __force *) addr = val;
-}
-
-static inline void
-__writeq (unsigned long val, volatile void __iomem *addr)
-{
- *(volatile unsigned long __force *) addr = val;
-}
-
-#define __readb platform_readb
-#define __readw platform_readw
-#define __readl platform_readl
-#define __readq platform_readq
-#define __readb_relaxed platform_readb_relaxed
-#define __readw_relaxed platform_readw_relaxed
-#define __readl_relaxed platform_readl_relaxed
-#define __readq_relaxed platform_readq_relaxed
-
-#define readb(a) __readb((a))
-#define readw(a) __readw((a))
-#define readl(a) __readl((a))
-#define readq(a) __readq((a))
-#define readb_relaxed(a) __readb_relaxed((a))
-#define readw_relaxed(a) __readw_relaxed((a))
-#define readl_relaxed(a) __readl_relaxed((a))
-#define readq_relaxed(a) __readq_relaxed((a))
-#define __raw_readb readb
-#define __raw_readw readw
-#define __raw_readl readl
-#define __raw_readq readq
-#define __raw_readb_relaxed readb_relaxed
-#define __raw_readw_relaxed readw_relaxed
-#define __raw_readl_relaxed readl_relaxed
-#define __raw_readq_relaxed readq_relaxed
-#define writeb(v,a) __writeb((v), (a))
-#define writew(v,a) __writew((v), (a))
-#define writel(v,a) __writel((v), (a))
-#define writeq(v,a) __writeq((v), (a))
-#define __raw_writeb writeb
-#define __raw_writew writew
-#define __raw_writel writel
-#define __raw_writeq writeq
-
-#ifndef inb_p
-# define inb_p inb
-#endif
-#ifndef inw_p
-# define inw_p inw
-#endif
-#ifndef inl_p
-# define inl_p inl
-#endif
-
-#ifndef outb_p
-# define outb_p outb
-#endif
-#ifndef outw_p
-# define outw_p outw
-#endif
-#ifndef outl_p
-# define outl_p outl
-#endif
-
-# ifdef __KERNEL__
-
-extern void __iomem * ioremap(unsigned long offset, unsigned long size);
-extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
-extern void iounmap (volatile void __iomem *addr);
-
-/*
- * String version of IO memory access ops:
- */
-extern void memcpy_fromio(void *dst, const volatile void __iomem *src, long n);
-extern void memcpy_toio(volatile void __iomem *dst, const void *src, long n);
-extern void memset_io(volatile void __iomem *s, int c, long n);
-
-# endif /* __KERNEL__ */
-
-/*
- * Enabling BIO_VMERGE_BOUNDARY forces us to turn off I/O MMU bypassing. It is said that
- * BIO-level virtual merging can give up to 4% performance boost (not verified for ia64).
- * On the other hand, we know that I/O MMU bypassing gives ~8% performance improvement on
- * SPECweb-like workloads on zx1-based machines. Thus, for now we favor I/O MMU bypassing
- * over BIO-level virtual merging.
- */
-extern unsigned long ia64_max_iommu_merge_mask;
-#if 1
-#define BIO_VMERGE_BOUNDARY 0
-#else
-/*
- * It makes no sense at all to have this BIO_VMERGE_BOUNDARY macro here. Should be
- * replaced by dma_merge_mask() or something of that sort. Note: the only way
- * BIO_VMERGE_BOUNDARY is used is to mask off bits. Effectively, our definition gets
- * expanded into:
- *
- * addr & ((ia64_max_iommu_merge_mask + 1) - 1) == (addr & ia64_max_iommu_vmerge_mask)
- *
- * which is precisely what we want.
- */
-#define BIO_VMERGE_BOUNDARY (ia64_max_iommu_merge_mask + 1)
-#endif
-
-#endif /* _ASM_IA64_IO_H */