#ifndef _ASM_IA64_IO_H
|
#ifndef _ASM_IA64_IO_H
|
#define _ASM_IA64_IO_H
|
#define _ASM_IA64_IO_H
|
|
|
/*
|
/*
|
* This file contains the definitions for the emulated IO instructions
|
* This file contains the definitions for the emulated IO instructions
|
* inb/inw/inl/outb/outw/outl and the "string versions" of the same
|
* inb/inw/inl/outb/outw/outl and the "string versions" of the same
|
* (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
|
* (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
|
* versions of the single-IO instructions (inb_p/inw_p/..).
|
* versions of the single-IO instructions (inb_p/inw_p/..).
|
*
|
*
|
* This file is not meant to be obfuscating: it's just complicated to
|
* 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
|
* (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
|
* well as possible and (b) trying to avoid writing the same thing
|
* over and over again with slight variations and possibly making a
|
* over and over again with slight variations and possibly making a
|
* mistake somewhere.
|
* mistake somewhere.
|
*
|
*
|
* Copyright (C) 1998-2002 Hewlett-Packard Co
|
* Copyright (C) 1998-2002 Hewlett-Packard Co
|
* David Mosberger-Tang <davidm@hpl.hp.com>
|
* David Mosberger-Tang <davidm@hpl.hp.com>
|
* Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
|
* Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
|
* Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
|
* Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
|
*/
|
*/
|
|
|
/* We don't use IO slowdowns on the ia64, but.. */
|
/* 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 SLOW_DOWN_IO do { } while (0)
|
#define SLOW_DOWN_IO do { } while (0)
|
|
|
#define __IA64_UNCACHED_OFFSET 0xc000000000000000 /* region 6 */
|
#define __IA64_UNCACHED_OFFSET 0xc000000000000000 /* region 6 */
|
|
|
/*
|
/*
|
* The legacy I/O space defined by the ia64 architecture supports only 65536 ports, but
|
* 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
|
* 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.
|
* on IO_SPACE_LIMIT. These additional spaces are described in ACPI.
|
*/
|
*/
|
#define IO_SPACE_LIMIT 0xffffffffffffffffUL
|
#define IO_SPACE_LIMIT 0xffffffffffffffffUL
|
|
|
#define MAX_IO_SPACES 16
|
#define MAX_IO_SPACES 16
|
#define IO_SPACE_BITS 24
|
#define IO_SPACE_BITS 24
|
#define IO_SPACE_SIZE (1UL << IO_SPACE_BITS)
|
#define IO_SPACE_SIZE (1UL << IO_SPACE_BITS)
|
|
|
#define IO_SPACE_NR(port) ((port) >> IO_SPACE_BITS)
|
#define IO_SPACE_NR(port) ((port) >> IO_SPACE_BITS)
|
#define IO_SPACE_BASE(space) ((space) << 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_PORT(port) ((port) & (IO_SPACE_SIZE - 1))
|
|
|
#define IO_SPACE_SPARSE_ENCODING(p) ((((p) >> 2) << 12) | (p & 0xfff))
|
#define IO_SPACE_SPARSE_ENCODING(p) ((((p) >> 2) << 12) | (p & 0xfff))
|
|
|
struct io_space {
|
struct io_space {
|
unsigned long mmio_base; /* base in MMIO space */
|
unsigned long mmio_base; /* base in MMIO space */
|
int sparse;
|
int sparse;
|
};
|
};
|
|
|
extern struct io_space io_space[];
|
extern struct io_space io_space[];
|
extern unsigned int num_io_spaces;
|
extern unsigned int num_io_spaces;
|
|
|
# ifdef __KERNEL__
|
# ifdef __KERNEL__
|
|
|
#include <asm/machvec.h>
|
#include <asm/machvec.h>
|
#include <asm/page.h>
|
#include <asm/page.h>
|
#include <asm/system.h>
|
#include <asm/system.h>
|
|
|
/*
|
/*
|
* Change virtual addresses to physical addresses and vv.
|
* Change virtual addresses to physical addresses and vv.
|
*/
|
*/
|
static inline unsigned long
|
static inline unsigned long
|
virt_to_phys (volatile void *address)
|
virt_to_phys (volatile void *address)
|
{
|
{
|
return (unsigned long) address - PAGE_OFFSET;
|
return (unsigned long) address - PAGE_OFFSET;
|
}
|
}
|
|
|
static inline void*
|
static inline void*
|
phys_to_virt (unsigned long address)
|
phys_to_virt (unsigned long address)
|
{
|
{
|
return (void *) (address + PAGE_OFFSET);
|
return (void *) (address + PAGE_OFFSET);
|
}
|
}
|
|
|
/*
|
/*
|
* The following two macros are deprecated and scheduled for removal.
|
* The following two macros are deprecated and scheduled for removal.
|
* Please use the PCI-DMA interface defined in <asm/pci.h> instead.
|
* Please use the PCI-DMA interface defined in <asm/pci.h> instead.
|
*/
|
*/
|
#define bus_to_virt phys_to_virt
|
#define bus_to_virt phys_to_virt
|
#define virt_to_bus virt_to_phys
|
#define virt_to_bus virt_to_phys
|
#define page_to_bus page_to_phys
|
#define page_to_bus page_to_phys
|
|
|
# endif /* KERNEL */
|
# endif /* KERNEL */
|
|
|
/*
|
/*
|
* Memory fence w/accept. This should never be used in code that is
|
* Memory fence w/accept. This should never be used in code that is
|
* not IA-64 specific.
|
* not IA-64 specific.
|
*/
|
*/
|
#define __ia64_mf_a() __asm__ __volatile__ ("mf.a" ::: "memory")
|
#define __ia64_mf_a() __asm__ __volatile__ ("mf.a" ::: "memory")
|
|
|
static inline const unsigned long
|
static inline const unsigned long
|
__ia64_get_io_port_base (void)
|
__ia64_get_io_port_base (void)
|
{
|
{
|
extern unsigned long ia64_iobase;
|
extern unsigned long ia64_iobase;
|
|
|
return ia64_iobase;
|
return ia64_iobase;
|
}
|
}
|
|
|
static inline void*
|
static inline void*
|
__ia64_mk_io_addr (unsigned long port)
|
__ia64_mk_io_addr (unsigned long port)
|
{
|
{
|
struct io_space *space;
|
struct io_space *space;
|
unsigned long offset;
|
unsigned long offset;
|
|
|
space = &io_space[IO_SPACE_NR(port)];
|
space = &io_space[IO_SPACE_NR(port)];
|
port = IO_SPACE_PORT(port);
|
port = IO_SPACE_PORT(port);
|
if (space->sparse)
|
if (space->sparse)
|
offset = IO_SPACE_SPARSE_ENCODING(port);
|
offset = IO_SPACE_SPARSE_ENCODING(port);
|
else
|
else
|
offset = port;
|
offset = port;
|
|
|
return (void *) (space->mmio_base | offset);
|
return (void *) (space->mmio_base | offset);
|
}
|
}
|
|
|
/*
|
/*
|
* For the in/out routines, we need to do "mf.a" _after_ doing the I/O access to ensure
|
* 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
|
* 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
|
* 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
|
* program order. However, we still need to tell the compiler not to shuffle them around
|
* during optimization, which is why we use "volatile" pointers.
|
* during optimization, which is why we use "volatile" pointers.
|
*/
|
*/
|
|
|
static inline unsigned int
|
static inline unsigned int
|
__ia64_inb (unsigned long port)
|
__ia64_inb (unsigned long port)
|
{
|
{
|
volatile unsigned char *addr = __ia64_mk_io_addr(port);
|
volatile unsigned char *addr = __ia64_mk_io_addr(port);
|
unsigned char ret;
|
unsigned char ret;
|
|
|
ret = *addr;
|
ret = *addr;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
return ret;
|
return ret;
|
}
|
}
|
|
|
static inline unsigned int
|
static inline unsigned int
|
__ia64_inw (unsigned long port)
|
__ia64_inw (unsigned long port)
|
{
|
{
|
volatile unsigned short *addr = __ia64_mk_io_addr(port);
|
volatile unsigned short *addr = __ia64_mk_io_addr(port);
|
unsigned short ret;
|
unsigned short ret;
|
|
|
ret = *addr;
|
ret = *addr;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
return ret;
|
return ret;
|
}
|
}
|
|
|
static inline unsigned int
|
static inline unsigned int
|
__ia64_inl (unsigned long port)
|
__ia64_inl (unsigned long port)
|
{
|
{
|
volatile unsigned int *addr = __ia64_mk_io_addr(port);
|
volatile unsigned int *addr = __ia64_mk_io_addr(port);
|
unsigned int ret;
|
unsigned int ret;
|
|
|
ret = *addr;
|
ret = *addr;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
return ret;
|
return ret;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__ia64_outb (unsigned char val, unsigned long port)
|
__ia64_outb (unsigned char val, unsigned long port)
|
{
|
{
|
volatile unsigned char *addr = __ia64_mk_io_addr(port);
|
volatile unsigned char *addr = __ia64_mk_io_addr(port);
|
|
|
*addr = val;
|
*addr = val;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__ia64_outw (unsigned short val, unsigned long port)
|
__ia64_outw (unsigned short val, unsigned long port)
|
{
|
{
|
volatile unsigned short *addr = __ia64_mk_io_addr(port);
|
volatile unsigned short *addr = __ia64_mk_io_addr(port);
|
|
|
*addr = val;
|
*addr = val;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__ia64_outl (unsigned int val, unsigned long port)
|
__ia64_outl (unsigned int val, unsigned long port)
|
{
|
{
|
volatile unsigned int *addr = __ia64_mk_io_addr(port);
|
volatile unsigned int *addr = __ia64_mk_io_addr(port);
|
|
|
*addr = val;
|
*addr = val;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__insb (unsigned long port, void *dst, unsigned long count)
|
__insb (unsigned long port, void *dst, unsigned long count)
|
{
|
{
|
unsigned char *dp = dst;
|
unsigned char *dp = dst;
|
|
|
if (platform_inb == __ia64_inb) {
|
if (platform_inb == __ia64_inb) {
|
volatile unsigned char *addr = __ia64_mk_io_addr(port);
|
volatile unsigned char *addr = __ia64_mk_io_addr(port);
|
|
|
__ia64_mf_a();
|
__ia64_mf_a();
|
while (count--)
|
while (count--)
|
*dp++ = *addr;
|
*dp++ = *addr;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
} else
|
} else
|
while (count--)
|
while (count--)
|
*dp++ = platform_inb(port);
|
*dp++ = platform_inb(port);
|
return;
|
return;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__insw (unsigned long port, void *dst, unsigned long count)
|
__insw (unsigned long port, void *dst, unsigned long count)
|
{
|
{
|
unsigned short *dp = dst;
|
unsigned short *dp = dst;
|
|
|
if (platform_inw == __ia64_inw) {
|
if (platform_inw == __ia64_inw) {
|
volatile unsigned short *addr = __ia64_mk_io_addr(port);
|
volatile unsigned short *addr = __ia64_mk_io_addr(port);
|
|
|
__ia64_mf_a();
|
__ia64_mf_a();
|
while (count--)
|
while (count--)
|
*dp++ = *addr;
|
*dp++ = *addr;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
} else
|
} else
|
while (count--)
|
while (count--)
|
*dp++ = platform_inw(port);
|
*dp++ = platform_inw(port);
|
return;
|
return;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__insl (unsigned long port, void *dst, unsigned long count)
|
__insl (unsigned long port, void *dst, unsigned long count)
|
{
|
{
|
unsigned int *dp = dst;
|
unsigned int *dp = dst;
|
|
|
if (platform_inl == __ia64_inl) {
|
if (platform_inl == __ia64_inl) {
|
volatile unsigned int *addr = __ia64_mk_io_addr(port);
|
volatile unsigned int *addr = __ia64_mk_io_addr(port);
|
|
|
__ia64_mf_a();
|
__ia64_mf_a();
|
while (count--)
|
while (count--)
|
*dp++ = *addr;
|
*dp++ = *addr;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
} else
|
} else
|
while (count--)
|
while (count--)
|
*dp++ = platform_inl(port);
|
*dp++ = platform_inl(port);
|
return;
|
return;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__outsb (unsigned long port, const void *src, unsigned long count)
|
__outsb (unsigned long port, const void *src, unsigned long count)
|
{
|
{
|
const unsigned char *sp = src;
|
const unsigned char *sp = src;
|
|
|
if (platform_outb == __ia64_outb) {
|
if (platform_outb == __ia64_outb) {
|
volatile unsigned char *addr = __ia64_mk_io_addr(port);
|
volatile unsigned char *addr = __ia64_mk_io_addr(port);
|
|
|
while (count--)
|
while (count--)
|
*addr = *sp++;
|
*addr = *sp++;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
} else
|
} else
|
while (count--)
|
while (count--)
|
platform_outb(*sp++, port);
|
platform_outb(*sp++, port);
|
return;
|
return;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__outsw (unsigned long port, const void *src, unsigned long count)
|
__outsw (unsigned long port, const void *src, unsigned long count)
|
{
|
{
|
const unsigned short *sp = src;
|
const unsigned short *sp = src;
|
|
|
if (platform_outw == __ia64_outw) {
|
if (platform_outw == __ia64_outw) {
|
volatile unsigned short *addr = __ia64_mk_io_addr(port);
|
volatile unsigned short *addr = __ia64_mk_io_addr(port);
|
|
|
while (count--)
|
while (count--)
|
*addr = *sp++;
|
*addr = *sp++;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
} else
|
} else
|
while (count--)
|
while (count--)
|
platform_outw(*sp++, port);
|
platform_outw(*sp++, port);
|
return;
|
return;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__outsl (unsigned long port, void *src, unsigned long count)
|
__outsl (unsigned long port, void *src, unsigned long count)
|
{
|
{
|
const unsigned int *sp = src;
|
const unsigned int *sp = src;
|
|
|
if (platform_outl == __ia64_outl) {
|
if (platform_outl == __ia64_outl) {
|
volatile unsigned int *addr = __ia64_mk_io_addr(port);
|
volatile unsigned int *addr = __ia64_mk_io_addr(port);
|
|
|
while (count--)
|
while (count--)
|
*addr = *sp++;
|
*addr = *sp++;
|
__ia64_mf_a();
|
__ia64_mf_a();
|
} else
|
} else
|
while (count--)
|
while (count--)
|
platform_outl(*sp++, port);
|
platform_outl(*sp++, port);
|
return;
|
return;
|
}
|
}
|
|
|
/*
|
/*
|
* Unfortunately, some platforms are broken and do not follow the IA-64 architecture
|
* 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
|
* specification regarding legacy I/O support. Thus, we have to make these operations
|
* platform dependent...
|
* platform dependent...
|
*/
|
*/
|
#define __inb platform_inb
|
#define __inb platform_inb
|
#define __inw platform_inw
|
#define __inw platform_inw
|
#define __inl platform_inl
|
#define __inl platform_inl
|
#define __outb platform_outb
|
#define __outb platform_outb
|
#define __outw platform_outw
|
#define __outw platform_outw
|
#define __outl platform_outl
|
#define __outl platform_outl
|
|
|
#define inb(p) __inb(p)
|
#define inb(p) __inb(p)
|
#define inw(p) __inw(p)
|
#define inw(p) __inw(p)
|
#define inl(p) __inl(p)
|
#define inl(p) __inl(p)
|
#define insb(p,d,c) __insb(p,d,c)
|
#define insb(p,d,c) __insb(p,d,c)
|
#define insw(p,d,c) __insw(p,d,c)
|
#define insw(p,d,c) __insw(p,d,c)
|
#define insl(p,d,c) __insl(p,d,c)
|
#define insl(p,d,c) __insl(p,d,c)
|
#define outb(v,p) __outb(v,p)
|
#define outb(v,p) __outb(v,p)
|
#define outw(v,p) __outw(v,p)
|
#define outw(v,p) __outw(v,p)
|
#define outl(v,p) __outl(v,p)
|
#define outl(v,p) __outl(v,p)
|
#define outsb(p,s,c) __outsb(p,s,c)
|
#define outsb(p,s,c) __outsb(p,s,c)
|
#define outsw(p,s,c) __outsw(p,s,c)
|
#define outsw(p,s,c) __outsw(p,s,c)
|
#define outsl(p,s,c) __outsl(p,s,c)
|
#define outsl(p,s,c) __outsl(p,s,c)
|
|
|
/*
|
/*
|
* The address passed to these functions are ioremap()ped already.
|
* The address passed to these functions are ioremap()ped already.
|
*/
|
*/
|
static inline unsigned char
|
static inline unsigned char
|
__readb (void *addr)
|
__readb (void *addr)
|
{
|
{
|
return *(volatile unsigned char *)addr;
|
return *(volatile unsigned char *)addr;
|
}
|
}
|
|
|
static inline unsigned short
|
static inline unsigned short
|
__readw (void *addr)
|
__readw (void *addr)
|
{
|
{
|
return *(volatile unsigned short *)addr;
|
return *(volatile unsigned short *)addr;
|
}
|
}
|
|
|
static inline unsigned int
|
static inline unsigned int
|
__readl (void *addr)
|
__readl (void *addr)
|
{
|
{
|
return *(volatile unsigned int *) addr;
|
return *(volatile unsigned int *) addr;
|
}
|
}
|
|
|
static inline unsigned long
|
static inline unsigned long
|
__readq (void *addr)
|
__readq (void *addr)
|
{
|
{
|
return *(volatile unsigned long *) addr;
|
return *(volatile unsigned long *) addr;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__writeb (unsigned char val, void *addr)
|
__writeb (unsigned char val, void *addr)
|
{
|
{
|
*(volatile unsigned char *) addr = val;
|
*(volatile unsigned char *) addr = val;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__writew (unsigned short val, void *addr)
|
__writew (unsigned short val, void *addr)
|
{
|
{
|
*(volatile unsigned short *) addr = val;
|
*(volatile unsigned short *) addr = val;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__writel (unsigned int val, void *addr)
|
__writel (unsigned int val, void *addr)
|
{
|
{
|
*(volatile unsigned int *) addr = val;
|
*(volatile unsigned int *) addr = val;
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__writeq (unsigned long val, void *addr)
|
__writeq (unsigned long val, void *addr)
|
{
|
{
|
*(volatile unsigned long *) addr = val;
|
*(volatile unsigned long *) addr = val;
|
}
|
}
|
|
|
#define readb(a) __readb((void *)(a))
|
#define readb(a) __readb((void *)(a))
|
#define readw(a) __readw((void *)(a))
|
#define readw(a) __readw((void *)(a))
|
#define readl(a) __readl((void *)(a))
|
#define readl(a) __readl((void *)(a))
|
#define readq(a) __readq((void *)(a))
|
#define readq(a) __readq((void *)(a))
|
#define __raw_readb readb
|
#define __raw_readb readb
|
#define __raw_readw readw
|
#define __raw_readw readw
|
#define __raw_readl readl
|
#define __raw_readl readl
|
#define __raw_readq readq
|
#define __raw_readq readq
|
#define writeb(v,a) __writeb((v), (void *) (a))
|
#define writeb(v,a) __writeb((v), (void *) (a))
|
#define writew(v,a) __writew((v), (void *) (a))
|
#define writew(v,a) __writew((v), (void *) (a))
|
#define writel(v,a) __writel((v), (void *) (a))
|
#define writel(v,a) __writel((v), (void *) (a))
|
#define writeq(v,a) __writeq((v), (void *) (a))
|
#define writeq(v,a) __writeq((v), (void *) (a))
|
#define __raw_writeb writeb
|
#define __raw_writeb writeb
|
#define __raw_writew writew
|
#define __raw_writew writew
|
#define __raw_writel writel
|
#define __raw_writel writel
|
#define __raw_writeq writeq
|
#define __raw_writeq writeq
|
|
|
#ifndef inb_p
|
#ifndef inb_p
|
# define inb_p inb
|
# define inb_p inb
|
#endif
|
#endif
|
#ifndef inw_p
|
#ifndef inw_p
|
# define inw_p inw
|
# define inw_p inw
|
#endif
|
#endif
|
#ifndef inl_p
|
#ifndef inl_p
|
# define inl_p inl
|
# define inl_p inl
|
#endif
|
#endif
|
|
|
#ifndef outb_p
|
#ifndef outb_p
|
# define outb_p outb
|
# define outb_p outb
|
#endif
|
#endif
|
#ifndef outw_p
|
#ifndef outw_p
|
# define outw_p outw
|
# define outw_p outw
|
#endif
|
#endif
|
#ifndef outl_p
|
#ifndef outl_p
|
# define outl_p outl
|
# define outl_p outl
|
#endif
|
#endif
|
|
|
/*
|
/*
|
* An "address" in IO memory space is not clearly either an integer or a pointer. We will
|
* An "address" in IO memory space is not clearly either an integer or a pointer. We will
|
* accept both, thus the casts.
|
* accept both, thus the casts.
|
*
|
*
|
* On ia-64, we access the physical I/O memory space through the uncached kernel region.
|
* On ia-64, we access the physical I/O memory space through the uncached kernel region.
|
*/
|
*/
|
static inline void *
|
static inline void *
|
ioremap (unsigned long offset, unsigned long size)
|
ioremap (unsigned long offset, unsigned long size)
|
{
|
{
|
return (void *) (__IA64_UNCACHED_OFFSET | (offset));
|
return (void *) (__IA64_UNCACHED_OFFSET | (offset));
|
}
|
}
|
|
|
static inline void
|
static inline void
|
iounmap (void *addr)
|
iounmap (void *addr)
|
{
|
{
|
}
|
}
|
|
|
#define ioremap_nocache(o,s) ioremap(o,s)
|
#define ioremap_nocache(o,s) ioremap(o,s)
|
|
|
# ifdef __KERNEL__
|
# ifdef __KERNEL__
|
|
|
/*
|
/*
|
* String version of IO memory access ops:
|
* String version of IO memory access ops:
|
*/
|
*/
|
extern void __ia64_memcpy_fromio (void *, unsigned long, long);
|
extern void __ia64_memcpy_fromio (void *, unsigned long, long);
|
extern void __ia64_memcpy_toio (unsigned long, void *, long);
|
extern void __ia64_memcpy_toio (unsigned long, void *, long);
|
extern void __ia64_memset_c_io (unsigned long, unsigned long, long);
|
extern void __ia64_memset_c_io (unsigned long, unsigned long, long);
|
|
|
#define memcpy_fromio(to,from,len) \
|
#define memcpy_fromio(to,from,len) \
|
__ia64_memcpy_fromio((to),(unsigned long)(from),(len))
|
__ia64_memcpy_fromio((to),(unsigned long)(from),(len))
|
#define memcpy_toio(to,from,len) \
|
#define memcpy_toio(to,from,len) \
|
__ia64_memcpy_toio((unsigned long)(to),(from),(len))
|
__ia64_memcpy_toio((unsigned long)(to),(from),(len))
|
#define memset_io(addr,c,len) \
|
#define memset_io(addr,c,len) \
|
__ia64_memset_c_io((unsigned long)(addr),0x0101010101010101UL*(u8)(c),(len))
|
__ia64_memset_c_io((unsigned long)(addr),0x0101010101010101UL*(u8)(c),(len))
|
|
|
|
|
#define dma_cache_inv(_start,_size) do { } while (0)
|
#define dma_cache_inv(_start,_size) do { } while (0)
|
#define dma_cache_wback(_start,_size) do { } while (0)
|
#define dma_cache_wback(_start,_size) do { } while (0)
|
#define dma_cache_wback_inv(_start,_size) do { } while (0)
|
#define dma_cache_wback_inv(_start,_size) do { } while (0)
|
|
|
# endif /* __KERNEL__ */
|
# endif /* __KERNEL__ */
|
|
|
#endif /* _ASM_IA64_IO_H */
|
#endif /* _ASM_IA64_IO_H */
|
|
|
