linux/arch/sparc/kernel/of_device_common.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _OF_DEVICE_COMMON_H
   3#define _OF_DEVICE_COMMON_H
   4
   5static inline u64 of_read_addr(const u32 *cell, int size)
   6{
   7        u64 r = 0;
   8        while (size--)
   9                r = (r << 32) | *(cell++);
  10        return r;
  11}
  12
  13void of_bus_default_count_cells(struct device_node *dev, int *addrc,
  14                                int *sizec);
  15int of_out_of_range(const u32 *addr, const u32 *base,
  16                    const u32 *size, int na, int ns);
  17int of_bus_default_map(u32 *addr, const u32 *range, int na, int ns, int pna);
  18unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags);
  19
  20int of_bus_sbus_match(struct device_node *np);
  21void of_bus_sbus_count_cells(struct device_node *child, int *addrc, int *sizec);
  22
  23/* Max address size we deal with */
  24#define OF_MAX_ADDR_CELLS       4
  25
  26struct of_bus {
  27        const char      *name;
  28        const char      *addr_prop_name;
  29        int             (*match)(struct device_node *parent);
  30        void            (*count_cells)(struct device_node *child,
  31                                       int *addrc, int *sizec);
  32        int             (*map)(u32 *addr, const u32 *range,
  33                               int na, int ns, int pna);
  34        unsigned long   (*get_flags)(const u32 *addr, unsigned long);
  35};
  36
  37#endif /* _OF_DEVICE_COMMON_H */
  38