88EA1512无clk输出给J5

用户您好，请详细描述您所遇到的问题。

1.硬件获取渠道：基于matrix5.1自制

2.当前系统镜像版本：

3.当前天工开物版本：

4.问题定位：

a、单板问题。

b、网口灯不亮。

c、Hobot# setenv ipaddr 10.10.16.12

Hobot# ping 10.10.16.11

ethernet@59120000: EQOS_DMA_MODE_SWR stuck

ethernet@59120000: FAILED: -110

ethernet@59110000: EQOS_DMA_MODE_SWR stuck

ethernet@59110000: FAILED: -110

ping failed; host 10.10.16.11 is not alive

d、

Hobot# mii dev ethernet@59120000

Hobot# mii dump 0x0E 0-2

0. (1140) -- PHY control register --

(8000:0000) 0.15 = 0 reset

(4000:0000) 0.14 = 0 loopback

(2040:0040) 0. 6,13 = b10 speed selection = 1000 Mbps

(1000:1000) 0.12 = 1 A/N enable

(0800:0000) 0.11 = 0 power-down

(0400:0000) 0.10 = 0 isolate

(0200:0000) 0. 9 = 0 restart A/N

(0100:0100) 0. 8 = 1 duplex = full

(0080:0000) 0. 7 = 0 collision test enable

(003f:0000) 0. 5- 0 = 0 (reserved)

1. (7969) -- PHY status register --

(8000:0000) 1.15 = 0 100BASE-T4 able

(4000:4000) 1.14 = 1 100BASE-X full duplex able

(2000:2000) 1.13 = 1 100BASE-X half duplex able

(1000:1000) 1.12 = 1 10 Mbps full duplex able

(0800:0800) 1.11 = 1 10 Mbps half duplex able

(0400:0000) 1.10 = 0 100BASE-T2 full duplex able

(0200:0000) 1. 9 = 0 100BASE-T2 half duplex able

(0100:0100) 1. 8 = 1 extended status

(0080:0000) 1. 7 = 0 (reserved)

(0040:0040) 1. 6 = 1 MF preamble suppression

(0020:0020) 1. 5 = 1 A/N complete

(0010:0000) 1. 4 = 0 remote fault

(0008:0008) 1. 3 = 1 A/N able

(0004:0000) 1. 2 = 0 link status

(0002:0000) 1. 1 = 0 jabber detect

(0001:0001) 1. 0 = 1 extended capabilities

2. (0141) -- PHY ID 1 register --

(ffff:0141) 2.15- 0 = 321 OUI portion

e、测量电源复位正常。

5.开发的demo/案例：

6.需要提供的解决方案：

看起来mii dump已经可以访问88ea1512了，phy输出的125MHz还有什么依赖项