diff options
Diffstat (limited to 'include/bootsource.h')
| -rw-r--r-- | include/bootsource.h | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/include/bootsource.h b/include/bootsource.h index 646b0e91c1..33ad269460 100644 --- a/include/bootsource.h +++ b/include/bootsource.h @@ -20,15 +20,55 @@ enum bootsource { BOOTSOURCE_NET, BOOTSOURCE_CAN, BOOTSOURCE_JTAG, + BOOTSOURCE_MAX, }; #define BOOTSOURCE_INSTANCE_UNKNOWN -1 enum bootsource bootsource_get(void); +enum bootsource bootsource_get_device(void); int bootsource_get_instance(void); -void bootsource_set(enum bootsource src); -void bootsource_set_instance(int instance); void bootsource_set_alias_name(const char *name); char *bootsource_get_alias_name(void); +const char *bootsource_to_string(enum bootsource src); +const char *bootsource_get_alias_stem(enum bootsource bs); +int bootsource_of_alias_xlate(enum bootsource bs, int instance); +struct device_node *bootsource_of_node_get(struct device_node *root); + +/** + * bootsource_set - set bootsource with optional DT mapping table + * @bs: bootrom reported bootsource + * @instance: bootrom reported instance + * + * Returns computed bootsource instace + * + * Normal bootsource_set_raw_instance() expects numbering used by + * bootrom for instance to align with DT aliases, e.g. + * $bootsource = "mmc" && $bootsource_instance = 1 -> /aliases/mmc1 + * bootsource_set() will instead consult + * /aliases/barebox,bootsource-mmc1 which may point at a different + * device than mmc1. In absence of appropriate barebox,bootsource-* + * chosen property, instance is set without translation. + */ +int bootsource_set(enum bootsource bs, int instance); + +/** + * bootsource_set_raw - set bootsource as-is + * @bs: bootsource to report + * @instance: bootsource instance to report + * + * This sets bootsource and bootsource_instance directly. + * Preferably, use bootsource_set in new code. + */ +void bootsource_set_raw(enum bootsource src, int instance); + +/** + * bootsource_set_raw_instance - set bootsource_instance as-is + * @bs: bootrom reported bootsource + * @instance: bootrom reported instance + * + * This directly sets bootsource_instance without changing bootsource. + */ +void bootsource_set_raw_instance(int instance); #endif /* __BOOTSOURCE_H__ */ |