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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __OF_ADDRESS_H
#define __OF_ADDRESS_H
#include <common.h>
#include <of.h>
struct of_pci_range_parser {
struct device_node *node;
const __be32 *range;
const __be32 *end;
int np;
int pna;
};
struct of_pci_range {
u32 pci_space;
u64 pci_addr;
u64 cpu_addr;
u64 size;
u32 flags;
};
#define for_each_of_pci_range(parser, range) \
for (; of_pci_range_parser_one(parser, range);)
static inline void of_pci_range_to_resource(struct of_pci_range *range,
struct device_node *np,
struct resource *res)
{
res->flags = range->flags;
res->start = range->cpu_addr;
res->end = range->cpu_addr + range->size - 1;
res->parent = NULL;
INIT_LIST_HEAD(&res->children);
INIT_LIST_HEAD(&res->sibling);
res->name = np->full_name;
}
#ifndef pci_address_to_pio
static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
#endif
#ifdef CONFIG_OFTREE
extern u64 of_translate_address(struct device_node *dev,
const __be32 *in_addr);
extern u64 of_translate_dma_address(struct device_node *dev,
const __be32 *in_addr);
extern bool of_can_translate_address(struct device_node *dev);
extern const __be32 *of_get_address(struct device_node *dev, int index,
u64 *size, unsigned int *flags);
extern int of_address_to_resource(struct device_node *dev, int index,
struct resource *r);
extern struct device_node *of_find_matching_node_by_address(
struct device_node *from, const struct of_device_id *matches,
u64 base_address);
extern void __iomem *of_iomap(struct device_node *np, int index);
extern int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr,
u64 *size);
#else /* CONFIG_OFTREE */
static inline u64 of_translate_address(struct device_node *dev,
const __be32 *in_addr)
{
return OF_BAD_ADDR;
}
static inline u64 of_translate_dma_address(struct device_node *dev,
const __be32 *in_addr)
{
return OF_BAD_ADDR;
}
static inline bool of_can_translate_address(struct device_node *dev)
{
return false;
}
static inline const __be32 *of_get_address(struct device_node *dev, int index,
u64 *size, unsigned int *flags)
{
return 0;
}
static inline int of_address_to_resource(struct device_node *dev, int index,
struct resource *r)
{
return -ENOSYS;
}
static inline struct device_node *of_find_matching_node_by_address(
struct device_node *from, const struct of_device_id *matches,
u64 base_address)
{
return NULL;
}
static inline void __iomem *of_iomap(struct device_node *np, int index)
{
return NULL;
}
static inline int of_dma_get_range(struct device_node *np, u64 *dma_addr,
u64 *paddr, u64 *size)
{
return -ENOSYS;
}
#endif /* CONFIG_OFTREE */
#ifdef CONFIG_OF_PCI
extern int of_pci_range_parser_init(struct of_pci_range_parser *parser,
struct device_node *node);
extern struct of_pci_range *of_pci_range_parser_one(
struct of_pci_range_parser *parser,
struct of_pci_range *range);
#else
static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser,
struct device_node *node)
{
return -1;
}
static inline struct of_pci_range *of_pci_range_parser_one(
struct of_pci_range_parser *parser,
struct of_pci_range *range)
{
return NULL;
}
#endif /* CONFIG_OF_PCI */
#endif /* __OF_ADDRESS_H */
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