[U-Boot] 30-Second TFTP Timeout at Start-Up

[Feng Kan <fkan@amcc.com>]

Are you connected directly to the tftp server or is there switches in between?

Feng Kan


On 03/31/2010 01:09 PM, Jason Hanna wrote:
> Hi All,
>
> I'm seeing a strange TFTP issue and hoping someone on the list can help.
>
> I'm running a Sequoia reference board and at start-up my TFTP transfer
> always times out for 30 seconds, then proceeds without error or
> further issue.
>
> I ran Wireshark on my TFTP server, and also performed a port mirror of
> the Sequoia board. I can confirm TFTP requests are only initiated 30
> seconds after tftpboot is run.
>
> Running with a static IP and the latest RC2 release of U-Boot. Boot
> command is as follows:
>
> net_nfs_fdt=tftp 200000 ${bootfile};tftp ${fdt_addr} ${fdt_file};run
> nfsargs addip addtty;bootm 200000 - ${fdt_addr}
>
> Startup log always looks the same...
>
> U-Boot 2010.03-rc2-00011-gc0bf2cf-dirty (Mar 30 2010 - 20:10:06)
>
> CPU:   AMCC PowerPC 440EPx Rev. A at 666.667 MHz (PLB=166 OPB=83
> EBC=55 PCI=83 MHz)
>         Security/Kasumi support
>         Bootstrap Option H - Boot ROM Location I2C (Addr 0x52)
>         Internal PCI arbiter enabled, PCI async ext clock used
>         32 kB I-Cache 32 kB D-Cache
> Board: Sequoia - AMCC PPC440EPx Evaluation Board, Rev. F, PCI-Async=66 MHz
> I2C:   ready
> DRAM:  256 MB
> FLASH: 64 MB
> NAND:  32 MiB
> PCI:   Bus Dev VenId DevId Class Int
> USB:   Host(int phy) Device(ext phy)
> DTT:   1 is 38 C
> Net:   ppc_4xx_eth0, ppc_4xx_eth1
> Type "run net_nfs_fdt" to load via TFTP and mount root via NFS
> Hit any key to stop autoboot:  0
> Waiting for PHY auto negotiation to complete... done
> ENET Speed is 1000 Mbps - FULL duplex connection (EMAC0)
> Using ppc_4xx_eth0 device
> TFTP from server X.X.X.X; our IP address is X.X.X.Y
> Filename 'sequoia/uImage'.
> Load address: 0x200000
> Loading: T T T T T T
> #################################################################
>           ########################################
> done
> Bytes transferred = 1528036 (1750e4 hex)
> Using ppc_4xx_eth0 device
> TFTP from server X.X.X.X; our IP address is X.X.X.Y
> Filename 'sequoia/sequoia.dtb'.
> Load address: 0x1000000
> Loading: #
> done
> Bytes transferred = 8669 (21dd hex)
>
> I think this has always been happening, even with older versions of
> U-Boot. I finally got annoyed enough with this problem to dig a little
> further.
> :-)
>
> Thanks,
> -jmh
> Jason Hanna
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