Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
Robert Reif | c9f5b7e | 2009-06-04 02:00:02 -0700 | [diff] [blame] | 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 */ |