[U-Boot-Users] Unable to boot linux on ARM based board: gunzip hangs

[Stefan Herbrechtsmeier]

Pharaoh . schrieb:
> On 5/9/07, Stefan Herbrechtsmeier <hbmeier at uni-paderborn.de> wrote:
>> Hi,
>>
>> Pharaoh . schrieb:
>> > On 5/9/07, Michael Trimarchi <trimarchi at gandalf.sssup.it> wrote:
>> >
>> >> Hi,
>> >>
>> >>> I am trying to make Linux work on omap 850 based board which has an
>> >>> ARM926EJS. I have u-boot ported and installed on it and minimal 
>> linux
>> >>> support for the board is also there. The kernel image is in format
>> >>> expected by u-boot and I have followed all the
>> >>> needed steps like using mkimage etc. While uncompressing the linux
>> >>> image the system hangs, in gunzip function which is defined in
>> >>> inflate.c. No error is returned,
>> >>>
>> >>>
>> >> One possibility is that you have your sdram not well configured. 
>> Do you
>> >> have a lowlevel debug in linux?
>> >> Regards Michael
>> >>
>> >>
>> >>
>> >
>> > I dont think so, since I have re-checked it. I tried with a new kernel
>> > image and now I am getting gunzip error :
>> >
>> > I am making the image as
>> >
>> > 6# mkimage -A arm -O linux -T kernel -C gzip -a 0x10009000 -n "Kernel
>> > Image" -d linux.bin.gz uImage.cc
>> > Image Name:   Kernel Image
>> > Created:      Wed May  9 16:02:57 2007
>> > Image Type:   ARM Linux Kernel Image (gzip compressed)
>> > Data Size:    1200234 Bytes = 1172.10 kB = 1.14 MB
>> > Load Address: 0x10009000
>> > Entry Point:  0x10009000
>> >
>> >
>> > and then I do bootm 0x10009000..
>> >
>> > Booting image at 10009000 ...
>> >    Image Name:   Kernel Image
>> >    Image Type:   ARM Linux Kernel Image (gzip compressed)
>> >    Data Size:    1200234 Bytes =  1.1 MB
>> >    Load Address: 10009000
>> >    Entry Point:  10009000
>> >    Verifying Checksum ... OK
>> >    Uncompressing Kernel Image ... Error: inflate() returned -3
>> > GUNZIP ERROR - must RESET board to recover
>> >
>> > Is it because of I am having wrong addresses?
>> >
>> >
>> > It is a arm 926 based board.
>> >
>> > 
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>> I had similar problems on my board. U-Boot work fine, but the Kernel
>> hangs on different places for different images.
>> My fault was the configuration of the row and column address width.
>>
>> regards,
>>   Stefan
>>
>
>
> Hi Stefan,
>
> Can you explain a little more about the configuration of the row and
> the column address width?
I don't know your system. I used a XScale PXA270 with SDRAM and have to 
set the register for the memory controller. I make a mistake by setting 
the "Column Address Bits" and "Row Address Bit Count" to wrong values.