From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dinh Nguyen <dinguyen@opensource.altera.com>
Date: Wed, 9 Mar 2016 15:40:13 -0600
Subject: [U-Boot] Ethernet not found on Arria 5.
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On 03/09/2016 08:00 AM, Bakhvalov, Denis (Nokia - PL/Wroclaw) wrote:
> Hi Marek,
> 
>> Perform usual test, disable cache (dcache off) .
> 
> I tried and result is still the same.
> 
> UPD: I did a little trick:
> 1. I started ping from the board side. That made the board listen to incoming packets (calling in infinite loop eth_rx() ).
> 2. Started ping from PC side.
> 3. In this case board receive ICMP packets from PC:
> 
> packet received
> Receive from protocol 0x800
> Got IP
> len=60, v=45
> Got ICMP ECHO REQUEST, return 74 bytes 
> 
> So, ICMP packets are handled by the board, but ARP packets not.
> 
> In my understanding it tells me that at least interface on the board side is alive.
> 
> I'm now doing some low-level debugging, however I think this is not the best idea. :)
> Now dw_eth_recv (designware.c) always returns 0 length of the packet.
> 

I was able to tftp an kernel image using mainline U-Boot on my Arria5
board today. However, I wasn't able to dhcp, but I'm not sure if that's
the board or my network.


U-Boot 2016.03-rc3-00008-g08b2472 (Mar 09 2016 - 13:37:27 -0600)

CPU:   Altera SoCFPGA Platform
FPGA:  Altera Arria V, D5, version 0x0
BOOT:  SD/MMC External Transceiver (1.8V)
       Watchdog enabled
I2C:   ready
DRAM:  1 GiB
MMC:   dwmmc0 at ff704000: 0
In:    serial
Out:   serial
Err:   serial
Model: Altera SOCFPGA Arria V SoC Development Kit
Net:   eth0: ethernet at ff702000
Hit any key to stop autoboot:  0
=> tftp ${loadaddr} zImage
Speed: 1000, full duplex
Using ethernet at ff702000 device
TFTP from server 137.57.160.210; our IP address is 137.57.160.216
Filename 'zImage'.
Load address: 0x8000
Loading:
         #################################
         552.7 KiB/s
done
Bytes transferred = 3491984 (354890 hex)
=>