1.SYSCFG Bottom repair: SYSCFG reservation repair, SYSCFG data can be retrieved after repair
2.Firmware repair: full nand repair, recover to new nand state, could read and write the syscfg after recovery.
1. Bottom layer repair: the bottom layer repair can retrieve the bottom layer data.
2. Firmware repair: full disk repair, restore to the new disk state, after the recovery can enter the bottom layer to read and write.