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yaml
---
r: 31027
b: refs/heads/master
c: 5924486
h: refs/heads/master
i:
  31025: 11e5b92
  31023: ef92152
v: v3
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Russell King authored and Russell King committed Jun 28, 2006
1 parent c3546d2 commit 30f0915
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Showing 5 changed files with 93 additions and 49 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: f9c21a6ee7e040be0f623a6b8dcfb5ec4f7532f5
refs/heads/master: 5924486dc0f205ebc2bbf4c262eec902ff38e802
8 changes: 7 additions & 1 deletion trunk/arch/arm/mm/Makefile
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Expand Up @@ -3,9 +3,15 @@
#

obj-y := consistent.o extable.o fault-armv.o \
fault.o flush.o init.o ioremap.o mmap.o \
fault.o flush.o init.o iomap.o mmap.o \
mm-armv.o

obj-$(CONFIG_MMU) += ioremap.o

ifneq ($(CONFIG_MMU),y)
obj-y += nommu.o
endif

obj-$(CONFIG_MODULES) += proc-syms.o

obj-$(CONFIG_ALIGNMENT_TRAP) += alignment.o
Expand Down
55 changes: 55 additions & 0 deletions trunk/arch/arm/mm/iomap.c
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@@ -0,0 +1,55 @@
/*
* linux/arch/arm/mm/iomap.c
*
* Map IO port and PCI memory spaces so that {read,write}[bwl] can
* be used to access this memory.
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/ioport.h>

#include <asm/io.h>

#ifdef __io
void __iomem *ioport_map(unsigned long port, unsigned int nr)
{
return __io(port);
}
EXPORT_SYMBOL(ioport_map);

void ioport_unmap(void __iomem *addr)
{
}
EXPORT_SYMBOL(ioport_unmap);
#endif

#ifdef CONFIG_PCI
void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
{
unsigned long start = pci_resource_start(dev, bar);
unsigned long len = pci_resource_len(dev, bar);
unsigned long flags = pci_resource_flags(dev, bar);

if (!len || !start)
return NULL;
if (maxlen && len > maxlen)
len = maxlen;
if (flags & IORESOURCE_IO)
return ioport_map(start, len);
if (flags & IORESOURCE_MEM) {
if (flags & IORESOURCE_CACHEABLE)
return ioremap(start, len);
return ioremap_nocache(start, len);
}
return NULL;
}
EXPORT_SYMBOL(pci_iomap);

void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
{
if ((unsigned long)addr >= VMALLOC_START &&
(unsigned long)addr < VMALLOC_END)
iounmap(addr);
}
EXPORT_SYMBOL(pci_iounmap);
#endif
47 changes: 0 additions & 47 deletions trunk/arch/arm/mm/ioremap.c
Original file line number Diff line number Diff line change
Expand Up @@ -176,50 +176,3 @@ void __iounmap(void __iomem *addr)
vunmap((void *)(PAGE_MASK & (unsigned long)addr));
}
EXPORT_SYMBOL(__iounmap);

#ifdef __io
void __iomem *ioport_map(unsigned long port, unsigned int nr)
{
return __io(port);
}
EXPORT_SYMBOL(ioport_map);

void ioport_unmap(void __iomem *addr)
{
}
EXPORT_SYMBOL(ioport_unmap);
#endif

#ifdef CONFIG_PCI
#include <linux/pci.h>
#include <linux/ioport.h>

void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
{
unsigned long start = pci_resource_start(dev, bar);
unsigned long len = pci_resource_len(dev, bar);
unsigned long flags = pci_resource_flags(dev, bar);

if (!len || !start)
return NULL;
if (maxlen && len > maxlen)
len = maxlen;
if (flags & IORESOURCE_IO)
return ioport_map(start, len);
if (flags & IORESOURCE_MEM) {
if (flags & IORESOURCE_CACHEABLE)
return ioremap(start, len);
return ioremap_nocache(start, len);
}
return NULL;
}
EXPORT_SYMBOL(pci_iomap);

void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
{
if ((unsigned long)addr >= VMALLOC_START &&
(unsigned long)addr < VMALLOC_END)
iounmap(addr);
}
EXPORT_SYMBOL(pci_iounmap);
#endif
30 changes: 30 additions & 0 deletions trunk/arch/arm/mm/nommu.c
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@@ -0,0 +1,30 @@
/*
* linux/arch/arm/mm/nommu.c
*
* ARM uCLinux supporting functions.
*/
#include <linux/module.h>

#include <asm/io.h>
#include <asm/page.h>

void __iomem *__ioremap_pfn(unsigned long pfn, unsigned long offset,
size_t size, unsigned long flags)
{
if (pfn >= (0x100000000ULL >> PAGE_SHIFT))
return NULL;
return (void __iomem *) (offset + (pfn << PAGE_SHIFT));
}
EXPORT_SYMBOL(__ioremap_pfn);

void __iomem *__ioremap(unsigned long phys_addr, size_t size,
unsigned long flags)
{
return (void __iomem *)phys_addr;
}
EXPORT_SYMBOL(__ioremap);

void __iounmap(void __iomem *addr)
{
}
EXPORT_SYMBOL(__iounmap);

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