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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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99ce39e359
of_address.h makes reference to some of the error code #defines, so it needs to include errno.h. If CONFIG_PCI is not selected, then some files will fail to compile. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
#ifndef __OF_ADDRESS_H
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#define __OF_ADDRESS_H
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#include <linux/ioport.h>
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#include <linux/errno.h>
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#include <linux/of.h>
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extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
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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,
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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 *device, int index);
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/* Extract an address from a device, returns the region size and
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* the address space flags too. The PCI version uses a BAR number
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* instead of an absolute index
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*/
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extern const u32 *of_get_address(struct device_node *dev, int index,
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u64 *size, unsigned int *flags);
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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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#define pci_address_to_pio pci_address_to_pio
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#endif
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#ifdef CONFIG_PCI
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extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
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u64 *size, unsigned int *flags);
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extern int of_pci_address_to_resource(struct device_node *dev, int bar,
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struct resource *r);
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#else /* CONFIG_PCI */
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static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
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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 const __be32 *of_get_pci_address(struct device_node *dev,
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int bar_no, u64 *size, unsigned int *flags)
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{
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return NULL;
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}
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#endif /* CONFIG_PCI */
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#endif /* __OF_ADDRESS_H */
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