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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
c9f5b7e7 RR |
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 */ |