diff options
Diffstat (limited to 'include/cros_board_info.h')
| -rw-r--r-- | include/cros_board_info.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/cros_board_info.h b/include/cros_board_info.h index eb239f9696..fb667ef899 100644 --- a/include/cros_board_info.h +++ b/include/cros_board_info.h @@ -62,4 +62,39 @@ int cbi_get_oem_id(uint32_t *oem_id); int cbi_get_board_info(enum cbi_data_tag tag, uint8_t *buf, uint8_t *size); int cbi_set_board_info(enum cbi_data_tag tag, const uint8_t *buf, uint8_t size); +/* + * Utility functions + */ + +/** + * Calculate 8-bit CRC of CBI + * + * @param h Pointer to CBI header + * @return CRC value + */ +uint8_t cbi_crc8(const struct cbi_header *h); + +/** + * Store data in memory in CBI data format + * + * @param p Pointer to the buffer where a new data item will be stored. It + * should be pointing to the data section of CBI. + * @param tag Tag of the data item + * @param buf Pointer to the buffer containing the data being copied. + * @param size Size of the data + * @return Address of the byte following the stored data in the + * destination buffer + */ +uint8_t *cbi_set_data(uint8_t *p, enum cbi_data_tag tag, + const void *buf, int size); + +/** + * Find a data field in CBI + * + * @param cbi Buffer containing CBI struct + * @param tag Tag of the data field to search + * @return Pointer to the data or NULL if not found. + */ +struct cbi_data *cbi_find_tag(const void *cbi, enum cbi_data_tag tag); + #endif /* __CROS_EC_CROS_BOARD_INFO_H */ |