[U-Boot] avr32 atmel ngw100 support question

["Andreas Bießmann" <andreas.devel@googlemail.com>]

Hi Waldemar,

On 13.01.15 23:59, Waldemar Brodkorb wrote:
> Hi Andreas,
> Andreas Bie?mann wrote,
> 
>> Hi Waldemar,
>>
>> On 13.01.15 22:31, Waldemar Brodkorb wrote:
>>> Hi U-Boot Hackers,
>>>
>>> I have some problem regarding DHCP on my Atmel NGW100 board, when
>>> using dnsmasq on the server side. I want to use the device for some
>>> kind of automatic test suite runs.
>>>
>>> Does the support for this device is known to work in 2015.01?
>>
>> I have not tested and do not own a ngw100 but it is likely that it is
>> still working. Avr32 in general has had very little changes in the past.
>> I personally have access to a ngw100mkII, grasshopper and stk1002 board.
>> They are tested from time to time. AFAIR there was no breakage in the
>> last two or three years.
>> I have to admit not all of these boards tested with 2015.01 yet. But I
>> do not expect any surprise here.
>>
>>> Can I update the old existing U-Boot boot loader directly or
>>> should I use FlashUpgrade tool from Atmel?
>>> (http://mirror.egtvedt.no/avr32linux.org/twiki/bin/view/Main/FlashUpgradeUsage)
>>
>> I always do it directly or with my jtag ICE. It seems the FlashUpgrade
>> is just some scripting to advise u-boot to do the update. I would prefer
>> to do it for my own.
> 
> Thanks for the advice.
> So I put my u-boot.bin file on tftp and do following:
> tftp 0x10400000 u-boot.bin 
> protect off 0x0 0x1ffff 
> erase 0x0 0x1ffff 
> cp.b 0x10000000 0x0 0x1975c 

ouch, copy from should be 0x10400000

> protect on 0x0 0x1ffff 
> reset 
> 
> While 0x1975c is the size I get after loading the u-boot.bin file
> via tftp?

looks good. You could use some variables here:

tftp 0x10400000 u-boot.bin
protect off 0x0 +${filesize}
erase 0x0 +${filesize}
cp.b ${fileaddr} 0x0 ${fielsize}
protect on 0x0 +${filesize}
reset

fileaddr/filesize env will be set after successful transfer, please
check with your running version if they are set correctly first.

> Uboot> setenv ipaddr 10.0.0.11
> Uboot> tftp 0x010400000 u-boot.bin
> macb0: Starting autonegotiation...
> macb0: Autonegotiation timed out (status=0x7849)
> macb0: link down (status: 0x7849)
> macb1: Starting autonegotiation...
> macb1: Autonegotiation complete
> macb1: link up, 100Mbps full-duplex (lpa: 0x45e1)
> Using macb1 device
> TFTP from server 10.0.0.1; our IP address is 10.0.0.11
> Filename 'u-boot.bin'.
> Load address: 0x10400000
> Loading: T ############################
> done
> Bytes transferred = 138784 (21e20 hex)
> 
> So 0x21e20 ?

0x21e20 is the transferred file size, env filesize should be set
accordingly.

Best regards

Andreas Bie?mann