I’m using BBB A5A hardware.
I just built a card with the Debian 8 (Small Flash) kernel using the instructions at https://eewiki.net/display/linuxonarm/BeagleBone+Black.
(With the following exception: Instead of
`
sudo cp -v ./ti-linux-kernel-dev/deploy/${kernel_version}.zImage /media/rootfs/boot/vmlinuz-${kernel_version}
`
I used
`
sudo cp -v ./bb-kernel/deploy/${kernel_version}.zImage /media/rootfs/boot/vmlinuz-${kernel_version}
`
since ti-linux-kernel-dev directory didn’t exist. All instances of ti-linux-kernel-dev were substituted.)
It boots fine but the ethernet connection refuses connection. Using the serial debug connection, I can ping from the BBB.
I also get the the following:
`
root@arm:~# dmesg | grep -i phy
[ 0.000000] Booting Linux on physical CPU 0x0
[ 2.805706] 47401300.usb-phy supply vcc not found, using dummy regulator
[ 2.808594] 47401b00.usb-phy supply vcc not found, using dummy regulator
[ 3.372555] davinci_mdio 4a101000.mdio: detected phy mask fffffffe
[ 3.372825] davinci_mdio: dt: updated phy_id[0] from phy_mask[fffffffe]
[ 3.372849] davinci_mdio: dt: updated phy_id[1] from phy_mask[fffffffe]
[ 3.373837] libphy: 4a101000.mdio: probed
[ 3.373858] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720
[ 6.399080] net eth0: phy found : id is : 0x7c0f1
[ 6.399150] libphy: PHY 4a101000.mdio:01 not found
[ 6.404248] net eth0: phy 4a101000.mdio:01 not found on slave 1
`
I seen mention of the 0003-cpsw-search-for-phy.patch here but I think thats already applied. (Its in the patches folder in bb-kernel)
The above output is from the 4.1 kernel, I get the following with the 3.8 kernel:
`
root@arm:~# dmesg | grep -i phy
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.571890] davinci_mdio 4a101000.mdio: detected phy mask fffffffe
[ 0.572897] libphy: 4a101000.mdio: probed
[ 0.572915] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720
[ 4.163115] net eth0: phy found : id is : 0x7c0f1
[ 4.163144] libphy: PHY 4a101000.mdio:01 not found
[ 4.163155] net eth0: phy 4a101000.mdio:01 not found on slave 1
[ 7.240352] libphy: 4a101000.mdio:00 - Link is Up - 100/Full
root@arm:~#
`
I’ve seen similar issues on this forum but I can’t figure out what the solution is - can anyone help?
Regards,
James