[U-Boot-Users] Blank console with IXDP425 in U-boot-1.1.6

Tue Jun 12 08:09:13 CEST 2007

Is there any way I can find out the difference between the IXDP425  board
(development platform) and my customised board? I have the schematics only
of my customised target platform. 

>From the schematics its clear that the IXP425 266MHz network processor uses
the 33MHz PCI bus. The Expansion bus is connected to the Flash (Boot ROM).
the SDRAM used is 4M*16*2. Serial port is connected to UART1 and MII 1 to
the Lan port PHY. 
The physical address for Flash is (0x50000000) and SDRAM (0x00000000).

Do I have any changes in the /include/configs/ixdp425.h ?
CFG_HZ is 3333333 currently.
What r the files in U-boot i have to concentrate on? And what r the other
things i have to check for considering Iam a newbie in this field.

Can it be that I havent used the right cross toolchain to compile? R there
some options i have to select? 
I have used arm-linux-tools-20061213.tar.gz ??

Can someone please guide me.

---
Queenie

Ori Idan wrote:
> 
> Check crystal rate.
> Although usually if you have a wrong clock frequency, you will get
> garbage characters.
> 
> -- 
> Ori Idan
> 
> 
> On 6/11/07, Queenie <queenie245 at gmail.com> wrote:
>>
>>
>> Yes.. U r right. Iam not using the ixdp425 (development) board.
>> What iam using is a customised board having IXP425.
>>
>> On this board, I tried with the REDBOOT prebuilt utility for ixdp425
>> board (
>> development board) from the web and I could see the console message on my
>> hyperterminal.
>>
>> I was wondering y I cannot observe the same with my U-boot. is there any
>> extra configuration needed?
>>
>> I checked the CFG_IXP425_CONSOLE macro in u-boot and saw thats its
>> assigned
>> to IXP425_UART1 of the IXP425 chip. I also checked the circuit diagram of
>> my
>> customised target platform and found that the console is connected to
>> UART1
>> only.
>>
>> What could be causing this problem?
>>
>>
>> Stefan Roese wrote:
>> >
>> > Hi Queenie,
>> >
>> > On Monday 11 June 2007, Queenie wrote:
>> >> Iam a newbie in this field. I have a customed target board having
>> IXP425.
>> >> This board has been working fine with Redboot. I do not have the
>> working
>> >> source code for Redboot but only the bin file which works fine.
>> >> I now want to customise the u-boot and make u-boot the bootloader for
>> >> this
>> >> board.
>> >>
>> >> I have downloaded u-boot-1.1.6. Also I have downloaded the npe
>> microcode
>> >> from intel website (IPL_ixp400NpeLibrary-2_4).
>> >> The tool chain I have downloaded is arm-linux-tools-20061213.tar.gz
>> >> I have added the toolchain in my $PATH (.bash_profile file)
>> >> I complied my u-boot for IXDP425 by giving the command "make
>> >> ixdp425_config" and the "make all"
>> >
>> > Yes, but if I understand you correctly, then you don't have the Intel
>> > IXDP425
>> > board, but a custom specific board. Correct? I assume that there are
>> some
>> > differences to the Intel board. What are those differences? You have to
>> > *port* U-Boot to your specific hardware.
>> >
>> >> It complied sucessfully and gave me a u-boot.bin and u-boot.srec file.
>> >>
>> >> I used this u-boot.bin file and loaded it into my target board flash
>> >> using
>> >> an ICE. after this is accomplished, I restarted the board and
>> connected
>> >> the
>> >> console of my target board so that i could observe the bootloader
>> prompt
>> >> on
>> >> the hyperterminal.
>> >> I see nothin on the console (hyperterminal)
>> >> I have connect it with baud rate 115200, 8 data bits, parity bits
>> none, 1
>> >> stop bit and flow control as none. I even tried with flow control as
>> >> hardware.
>> >>
>> >> Please advise where i could be going wrong and how i should proceed.
>> >
>> > As mentioned above, using a binary compiled for a different board will
>> in
>> > most
>> > cases not work.
>> >
>> > Best regards,
>> > Stefan
>> >
>> > =====================================================================
>> > DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
>> > HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
>> > Phone: +49-8142-66989-0 Fax: +49-8142-66989-80  Email: office at denx.de
>> > =====================================================================
>> >
>> >
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