1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _OF_DEVICE_COMMON_H 3 #define _OF_DEVICE_COMMON_H 4 5 static 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 13 void of_bus_default_count_cells(struct device_node *dev, int *addrc, 14 int *sizec); 15 int of_out_of_range(const u32 *addr, const u32 *base, 16 const u32 *size, int na, int ns); 17 int of_bus_default_map(u32 *addr, const u32 *range, int na, int ns, int pna); 18 unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags); 19 20 int of_bus_sbus_match(struct device_node *np); 21 void 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 26 struct 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