Signed-off-by: Lucas Stach <dev@lynxeye.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
130 lines
3 KiB
C
130 lines
3 KiB
C
#ifndef __OF_ADDRESS_H
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#define __OF_ADDRESS_H
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#include <common.h>
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#include <of.h>
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struct of_pci_range_parser {
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struct device_node *node;
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const __be32 *range;
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const __be32 *end;
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int np;
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int pna;
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};
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struct of_pci_range {
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u32 pci_space;
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u64 pci_addr;
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u64 cpu_addr;
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u64 size;
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u32 flags;
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};
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#define for_each_of_pci_range(parser, range) \
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for (; of_pci_range_parser_one(parser, range);)
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static inline void of_pci_range_to_resource(struct of_pci_range *range,
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struct device_node *np,
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struct resource *res)
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{
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res->flags = range->flags;
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res->start = range->cpu_addr;
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res->end = range->cpu_addr + range->size - 1;
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res->parent = NULL;
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INIT_LIST_HEAD(&res->children);
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INIT_LIST_HEAD(&res->sibling);
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res->name = np->full_name;
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}
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#ifndef pci_address_to_pio
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static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
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#endif
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#ifdef CONFIG_OFTREE
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extern u64 of_translate_address(struct device_node *dev,
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const __be32 *in_addr);
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extern u64 of_translate_dma_address(struct device_node *dev,
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const __be32 *in_addr);
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extern bool of_can_translate_address(struct device_node *dev);
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extern const __be32 *of_get_address(struct device_node *dev, int index,
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u64 *size, unsigned int *flags);
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extern int of_address_to_resource(struct device_node *dev, int index,
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struct resource *r);
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extern struct device_node *of_find_matching_node_by_address(
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struct device_node *from, const struct of_device_id *matches,
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u64 base_address);
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extern void __iomem *of_iomap(struct device_node *np, int index);
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#else /* CONFIG_OFTREE */
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static inline u64 of_translate_address(struct device_node *dev,
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const __be32 *in_addr)
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{
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return OF_BAD_ADDR;
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}
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static inline u64 of_translate_dma_address(struct device_node *dev,
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const __be32 *in_addr)
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{
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return OF_BAD_ADDR;
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}
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static inline bool of_can_translate_address(struct device_node *dev)
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{
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return false;
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}
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static inline const __be32 *of_get_address(struct device_node *dev, int index,
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u64 *size, unsigned int *flags)
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{
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return 0;
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}
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static inline int of_address_to_resource(struct device_node *dev, int index,
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struct resource *r)
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{
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return -ENOSYS;
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}
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static inline struct device_node *of_find_matching_node_by_address(
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struct device_node *from, const struct of_device_id *matches,
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u64 base_address)
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{
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return NULL;
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}
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static inline void __iomem *of_iomap(struct device_node *np, int index)
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{
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return NULL;
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}
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#endif /* CONFIG_OFTREE */
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#ifdef CONFIG_OF_PCI
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extern int of_pci_range_parser_init(struct of_pci_range_parser *parser,
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struct device_node *node);
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extern struct of_pci_range *of_pci_range_parser_one(
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struct of_pci_range_parser *parser,
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struct of_pci_range *range);
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#else
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static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser,
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struct device_node *node)
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{
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return -1;
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}
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static inline struct of_pci_range *of_pci_range_parser_one(
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struct of_pci_range_parser *parser,
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struct of_pci_range *range)
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{
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return NULL;
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}
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#endif /* CONFIG_OF_PCI */
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#endif /* __OF_ADDRESS_H */
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