[deliverable/linux.git] / arch / arm / mm / nommu.c

/*
 *  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);
Commit	Line	Data
5924486d RK	1	/*
	2	* linux/arch/arm/mm/nommu.c
	3	*
	4	* ARM uCLinux supporting functions.
	5	*/
	6	#include <linux/module.h>
	7
	8	#include <asm/io.h>
	9	#include <asm/page.h>
	10
	11	void __iomem *__ioremap_pfn(unsigned long pfn, unsigned long offset,
	12	size_t size, unsigned long flags)
	13	{
	14	if (pfn >= (0x100000000ULL >> PAGE_SHIFT))
	15	return NULL;
	16	return (void __iomem *) (offset + (pfn << PAGE_SHIFT));
	17	}
	18	EXPORT_SYMBOL(__ioremap_pfn);
	19
	20	void __iomem *__ioremap(unsigned long phys_addr, size_t size,
	21	unsigned long flags)
	22	{
	23	return (void __iomem *)phys_addr;
	24	}
	25	EXPORT_SYMBOL(__ioremap);
	26
	27	void __iounmap(void __iomem *addr)
	28	{
	29	}
	30	EXPORT_SYMBOL(__iounmap);