38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _OF_DEVICE_COMMON_H
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#define _OF_DEVICE_COMMON_H
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static inline u64 of_read_addr(const u32 *cell, int size)
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{
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u64 r = 0;
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while (size--)
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r = (r << 32) | *(cell++);
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return r;
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}
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void of_bus_default_count_cells(struct device_node *dev, int *addrc,
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int *sizec);
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int of_out_of_range(const u32 *addr, const u32 *base,
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const u32 *size, int na, int ns);
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int of_bus_default_map(u32 *addr, const u32 *range, int na, int ns, int pna);
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unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags);
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int of_bus_sbus_match(struct device_node *np);
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void of_bus_sbus_count_cells(struct device_node *child, int *addrc, int *sizec);
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/* Max address size we deal with */
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#define OF_MAX_ADDR_CELLS 4
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struct of_bus {
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const char *name;
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const char *addr_prop_name;
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int (*match)(struct device_node *parent);
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void (*count_cells)(struct device_node *child,
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int *addrc, int *sizec);
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int (*map)(u32 *addr, const u32 *range,
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int na, int ns, int pna);
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unsigned long (*get_flags)(const u32 *addr, unsigned long);
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};
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#endif /* _OF_DEVICE_COMMON_H */
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