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[SPARC]: Add of_io{remap,unmap}().

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-06-29 14:35:33 -07:00 committed by David S. Miller
parent 95714e12df
commit 3ca9fab410
4 changed files with 40 additions and 0 deletions
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17
arch/sparc/kernel/ioport.c
View file

@ -26,6 +26,7 @@
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@ -40,6 +41,7 @@
#include <asm/vaddrs.h>
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/sbus.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
@ -143,6 +145,21 @@ void __iomem *sbus_ioremap(struct resource *phyres, unsigned long offset,
phyres->start + offset, size, name);
}
void __iomem *of_ioremap(struct resource *res, unsigned long offset,
unsigned long size, char *name)
{
return _sparc_alloc_io(res->flags & 0xF,
res->start + offset,
size, name);
}
EXPORT_SYMBOL(of_ioremap);
void of_iounmap(void __iomem *base, unsigned long size)
{
iounmap(base);
}
EXPORT_SYMBOL(of_iounmap);
/*
*/
void sbus_iounmap(volatile void __iomem *addr, unsigned long size)

17
arch/sparc64/kernel/of_device.c
View file

@ -129,6 +129,23 @@ static int of_device_resume(struct device * dev)
return error;
}
void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name)
{
unsigned long ret = res->start + offset;
if (!request_region(ret, size, name))
ret = 0;
return (void __iomem *) ret;
}
EXPORT_SYMBOL(of_ioremap);
void of_iounmap(void __iomem *base, unsigned long size)
{
release_region((unsigned long) base, size);
}
EXPORT_SYMBOL(of_iounmap);
#ifdef CONFIG_PCI
struct bus_type isa_bus_type = {
.name = "isa",

3
include/asm-sparc/of_device.h
View file

@ -31,6 +31,9 @@ struct of_device
};
#define to_of_device(d) container_of(d, struct of_device, dev)
extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
extern void of_iounmap(void __iomem *base, unsigned long size);
extern const struct of_device_id *of_match_device(
const struct of_device_id *matches, const struct of_device *dev);

3
include/asm-sparc64/of_device.h
View file

@ -32,6 +32,9 @@ struct of_device
};
#define to_of_device(d) container_of(d, struct of_device, dev)
extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
extern void of_iounmap(void __iomem *base, unsigned long size);
extern const struct of_device_id *of_match_device(
const struct of_device_id *matches, const struct of_device *dev);