diff options
Diffstat (limited to 'board/CZ.NIC/turris_atsha_otp.c')
| -rw-r--r-- | board/CZ.NIC/turris_atsha_otp.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/board/CZ.NIC/turris_atsha_otp.c b/board/CZ.NIC/turris_atsha_otp.c index aa4e29b1560..a29fe362317 100644 --- a/board/CZ.NIC/turris_atsha_otp.c +++ b/board/CZ.NIC/turris_atsha_otp.c @@ -93,30 +93,57 @@ int turris_atsha_otp_init_mac_addresses(int first_idx) return 0; } -int turris_atsha_otp_get_serial_number(u32 *version_num, u32 *serial_num) +int turris_atsha_otp_init_serial_number(void) +{ + char serial[17]; + int ret; + + ret = turris_atsha_otp_get_serial_number(serial); + if (ret) + return ret; + + if (!env_get("serial#")) + return -1; + + return 0; +} + +int turris_atsha_otp_get_serial_number(char serial[17]) { struct udevice *dev = get_atsha204a_dev(); + u32 version_num, serial_num; + const char *serial_env; int ret; if (!dev) return -1; + serial_env = env_get("serial#"); + if (serial_env && strlen(serial_env) == 16) { + memcpy(serial, serial_env, 17); + return 0; + } + ret = atsha204a_wakeup(dev); if (ret) return ret; ret = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, TURRIS_ATSHA_OTP_VERSION, - (u8 *)version_num); + (u8 *)&version_num); if (ret) return ret; ret = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, TURRIS_ATSHA_OTP_SERIAL, - (u8 *)serial_num); + (u8 *)&serial_num); if (ret) return ret; atsha204a_sleep(dev); + + sprintf(serial, "%08X%08X", be32_to_cpu(version_num), be32_to_cpu(serial_num)); + env_set("serial#", serial); + return 0; } |