Hi Team
The configuration mode of dp83822 is MII 100 MB half duplex. When the program jumps from the application layer to BOOT, PHY will not link. If the chip reset pin is pulled down to reset the chip directly in the application, PHY also occur not link.
The attachment is the value of PHY register read when link fails and link succeeds. Do you have any hints for debugging?
//�Ĵ���˳��Ϊ����0x00-0x1F 0x27 0x28 0x2c 0x2d 0x73 0x74 0x75 0x41c 0x41f 0x421 0x428 0x456 0x467 0x468 0x469 //linkʧ�ܵ�PHY�Ĵ���ֵ����ȡ���� 00 31 49 78 00 20 40 A2 E1 01 00 00 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 02 40 08 01 00 00 00 08 00 00 00 00 00 01 41 00 00 04 02 80 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 10 01 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 00 31 49 78 00 20 40 A2 E1 01 00 00 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 02 40 08 01 00 00 00 08 00 00 00 00 00 01 41 00 00 04 02 80 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 10 01 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 00 31 49 78 00 20 40 A2 E1 01 00 00 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 02 00 08 01 00 00 00 08 00 00 00 00 00 01 41 00 00 04 02 80 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 10 01 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 00 31 49 78 00 20 40 A2 E1 01 00 00 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 02 00 08 01 00 00 00 00 00 00 00 00 00 01 41 00 00 04 02 80 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 10 01 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 00 31 49 78 00 20 40 A2 E1 01 00 00 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 02 40 08 01 00 00 00 08 00 00 00 00 00 01 41 00 00 04 02 80 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 10 01 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 00 31 49 78 00 20 40 A2 E1 01 00 00 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 02 40 08 01 00 00 00 00 00 00 00 00 00 01 41 00 00 04 02 80 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 10 01 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 00 31 49 78 00 20 40 A2 E1 01 00 00 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 02 00 08 01 00 00 00 08 00 00 00 00 00 01 41 00 00 04 02 80 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 10 01 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 //link�ɹ���PHY�Ĵ���ֵ����ȡ���� 00 31 6D 78 00 20 40 A2 E1 01 E1 41 07 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 15 40 08 01 00 64 00 28 00 00 00 00 00 01 49 00 00 04 02 8C 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 00 06 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 00 31 6D 78 00 20 40 A2 E1 01 E1 41 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 15 46 08 01 00 00 00 00 00 00 00 00 00 01 41 00 00 04 02 8C 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 00 06 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 00 31 6D 78 00 20 40 A2 E1 01 E1 41 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 15 46 08 01 00 00 00 00 00 00 00 00 00 01 41 00 00 04 02 8C 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 00 06 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00 00 31 6D 78 00 20 40 A2 E1 01 E1 41 05 00 01 20 00 00 00 00 00 01 00 10 00 00 1F 40 00 00 00 00 15 46 08 01 00 00 00 00 00 00 00 00 00 01 49 00 00 04 02 8C 00 00 7D 00 EE 05 00 00 02 01 00 00 00 00 00 00 80 FF 00 01 00 06 00 00 00 00 00 00 00 00 07 00 00 00 08 00 4F 33 00 00 40 00