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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/sparc/kernel/of_device_common.h | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'arch/sparc/kernel/of_device_common.h')
-rw-r--r-- | arch/sparc/kernel/of_device_common.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/sparc/kernel/of_device_common.h b/arch/sparc/kernel/of_device_common.h new file mode 100644 index 00000000..cdfd2399 --- /dev/null +++ b/arch/sparc/kernel/of_device_common.h @@ -0,0 +1,36 @@ +#ifndef _OF_DEVICE_COMMON_H +#define _OF_DEVICE_COMMON_H + +static inline u64 of_read_addr(const u32 *cell, int size) +{ + u64 r = 0; + while (size--) + r = (r << 32) | *(cell++); + return r; +} + +void of_bus_default_count_cells(struct device_node *dev, int *addrc, + int *sizec); +int of_out_of_range(const u32 *addr, const u32 *base, + const u32 *size, int na, int ns); +int of_bus_default_map(u32 *addr, const u32 *range, int na, int ns, int pna); +unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags); + +int of_bus_sbus_match(struct device_node *np); +void of_bus_sbus_count_cells(struct device_node *child, int *addrc, int *sizec); + +/* Max address size we deal with */ +#define OF_MAX_ADDR_CELLS 4 + +struct of_bus { + const char *name; + const char *addr_prop_name; + int (*match)(struct device_node *parent); + void (*count_cells)(struct device_node *child, + int *addrc, int *sizec); + int (*map)(u32 *addr, const u32 *range, + int na, int ns, int pna); + unsigned long (*get_flags)(const u32 *addr, unsigned long); +}; + +#endif /* _OF_DEVICE_COMMON_H */ |