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Author Topic: Ethernet doesn't work on 3.14; MDIO issues?  (Read 3988 times)

Amie

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Ethernet doesn't work on 3.14; MDIO issues?
« on: 21 June 2014, 12:30:47 pm »

I'm trying to get 3.14 running on mirabox for a couple of weeks now.
I would like to boot up the kernel from tftp and have it mounting root from NFS.
Booting from tftp works like a charm but it seems like it has isues in bringing up the ethernet connection:
Code: [Select]
0x000000800000-0x000040000000 : "Filesystem"
orion-mdio: probe of d0072004.mdio failed with error -22
mvneta d0070000.ethernet eth0: Using random mac address 1e:b6:a9:f6:17:eb
mvneta d0074000.ethernet eth1: Using random mac address 5a:2a:e4:4c:1e:8f
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-pci: EHCI PCI platform driver

By adding debug messages I can tell that neither mdiobus_register nor of_mdiobus_register is beeing called at all.
The kernel config I used for this particular test was mvebu_defconfig just with module support beeing switched off.

Any Ideas?

Thanks
Amie
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Amie

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  • Posts: 2
Re: Ethernet doesn't work on 3.14; MDIO issues?
« Reply #1 on: 21 June 2014, 01:01:58 pm »

I think I did some progress by using 3.15 but I will need to dig a little deeper here:

Code: [Select]
0x000000800000-0x000040000000 : "Filesystem"
libphy: orion_mdio_bus: probed
mvneta d0070000.ethernet eth0: Using hardware mac address f0:ad:4e:xx:xx:xx
mvneta d0074000.ethernet eth1: Using random mac address c6:b5:d0:56:11:08
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-pci: EHCI PCI platform driver
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