address.c File Reference

#include <linux/device.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/pci_regs.h>
#include <linux/string.h>

Go to the source code of this file.

Data Structures
struct	of_bus

Macros
#define	OF_MAX_ADDR_CELLS   4
#define	OF_CHECK_ADDR_COUNT(na)   ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS)
#define	OF_CHECK_COUNTS(na, ns)   (OF_CHECK_ADDR_COUNT(na) && (ns) > 0)

Functions
u64	of_translate_address (struct device_node *dev, const __be32 *in_addr)
	EXPORT_SYMBOL (of_translate_address)
u64	of_translate_dma_address (struct device_node *dev, const __be32 *in_addr)
	EXPORT_SYMBOL (of_translate_dma_address)
bool	of_can_translate_address (struct device_node *dev)
	EXPORT_SYMBOL (of_can_translate_address)
const __be32 *	of_get_address (struct device_node *dev, int index, u64 *size, unsigned int *flags)
	EXPORT_SYMBOL (of_get_address)
int	of_address_to_resource (struct device_node *dev, int index, struct resource *r)
	EXPORT_SYMBOL_GPL (of_address_to_resource)
struct device_node *	of_find_matching_node_by_address (struct device_node *from, const struct of_device_id *matches, u64 base_address)
void __iomem *	of_iomap (struct device_node *np, int index)
	EXPORT_SYMBOL (of_iomap)

Macro Definition Documentation

#define OF_CHECK_ADDR_COUNT

(

na

)

((na) > 0 && (na) <= OF_MAX_ADDR_CELLS)

Definition at line 12 of file address.c.

#define OF_CHECK_COUNTS	(		na,
			ns
	)		(OF_CHECK_ADDR_COUNT(na) && (ns) > 0)

Definition at line 13 of file address.c.

#define OF_MAX_ADDR_CELLS   4

Definition at line 11 of file address.c.

Function Documentation

EXPORT_SYMBOL

(

of_translate_address

)

EXPORT_SYMBOL

(

of_translate_dma_address

)

EXPORT_SYMBOL

(

of_can_translate_address

)

EXPORT_SYMBOL

(

of_get_address

)

EXPORT_SYMBOL

(

of_iomap

)

EXPORT_SYMBOL_GPL

(

of_address_to_resource

)

int of_address_to_resource	(	struct device_node *	dev,
		int	index,
		struct resource *	r
	)

of_address_to_resource - Translate device tree address and return as resource

Note that if your address is a PIO address, the conversion will fail if the physical address can't be internally converted to an IO token with pci_address_to_pio(), that is because it's either called to early or it can't be matched to any host bridge IO space

Definition at line 595 of file address.c.

bool of_can_translate_address

(

struct device_node *

dev

)

Definition at line 501 of file address.c.

struct device_node* of_find_matching_node_by_address ( struct device_node *  from, const struct of_device_id *  matches, u64  base_address  )

read

Definition at line 614 of file address.c.

const __be32* of_get_address	(	struct device_node *	dev,
		int	index,
		u64 *	size,
		unsigned int *	flags
	)

Definition at line 520 of file address.c.

void __iomem* of_iomap	(	struct device_node *	np,
		int	index
	)

of_iomap - Maps the memory mapped IO for a given device_node : the device whose io range will be mapped : index of the io range

Returns a pointer to the mapped memory

Definition at line 640 of file address.c.

u64 of_translate_address	(	struct device_node *	dev,
		const __be32 *	in_addr
	)

Definition at line 489 of file address.c.

u64 of_translate_dma_address	(	struct device_node *	dev,
		const __be32 *	in_addr
	)

Definition at line 495 of file address.c.