[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[thaoth]

Hi All,

I would like to know how to boot linux kernel from USB. I have ported UBoot
(support serial, USB driver) but didn't support CF card. 

Would you please tell me how to boot Linux Kernel from USB Flash memory? I
have many guide could help hows to boot Linux kernel from CF card or network
but  I didn't see help for USB Flash memory.

Here is step by step I did but didn't work.
- First initialization USB

=> usb start

- List file on USB Flash memory

=> fatls usb 0:1
  3876248   vmlinux.srec
  1348231   vmlinux
  2207942   vmlinux.bin
.
  1277956   zimage

- load zImage into SDRAM memory at base address 0x8c000000 + 200000 

=> fatload usb 0:1 200000 zimage
reading zimage
.
.
.
.
................................................................................
............................................

1277956 bytes read

=> bootm
Wrong Image Format for bootm command
ERROR: can't get kernel image!

This seems here is wrong command. I should load uImage (not zImage) into
SDRAM memory. Google booting kernel from USB on the internet but I didn't
see any help. :(

Thank you for answer
Best regards,
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[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[Albert ARIBAUD]

thaoth a ?crit :

> This seems here is wrong command. I should load uImage (not zImage) into
> SDRAM memory.

Hmm... So why don't you ?

Amicalement,
-- 
Albert.

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[thaoth]

Albert ARIBAUD wrote:
> 
> thaoth a ?crit :
> 
>> This seems here is wrong command. I should load uImage (not zImage) into
>> SDRAM memory.
> 
> Hmm... So why don't you ?
> 
> Amicalement,
> -- 
> Albert.
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
> 
> 

I have tried but not ookay. the same issue. 
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[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[Albert ARIBAUD]

thaoth a ?crit :
> 
> 
> Albert ARIBAUD wrote:
>> thaoth a ?crit :
>>
>>> This seems here is wrong command. I should load uImage (not zImage) into
>>> SDRAM memory.
>> Hmm... So why don't you ?
>>
>> Amicalement,
> 
> I have tried but not ookay. the same issue. 

(please trim signatures in your replies)

Can you retry and copy-paste the console output? Also, on your 
development host, can you do a 'file uImage' and copy the result ?

Amicalement,
-- 
Albert.

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[thaoth]

>>Can you retry and copy-paste the console output?

...
(Re)start USB...
USB:   scanning bus for devices... cannot reset port 1!?
2 USB Device(s) found
       scanning bus for storage devices... 1 Storage Device(s) found
=> fatload usb 0:1 0x8e000000 uImage
reading uImage
.
.
.
.
................................................................................
............................................

1278020 bytes read
=> bootm
*  kernel: default image load address = 0x8e000000
Wrong Image Format for bootm command
ERROR: can't get kernel image!
...

>>can you do a 'file uImage' and copy the result ?

...
[root at twiki boot]# file uImage
uImage: PPCBoot image
...

I tried and send you its log.

Thank you for answer 
Best regards,
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[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[Nobuhiro Iwamatsu]

2008/10/1 thaoth <thaoth@cybersoft-vn.com>:
>
>>>Can you retry and copy-paste the console output?
>
> ...
> (Re)start USB...
> USB:   scanning bus for devices... cannot reset port 1!?
> 2 USB Device(s) found
>       scanning bus for storage devices... 1 Storage Device(s) found
> => fatload usb 0:1 0x8e000000 uImage
> reading uImage
> .
> .
> .
> .
> ................................................................................
> ............................................
>
> 1278020 bytes read
> => bootm
> *  kernel: default image load address = 0x8e000000
> Wrong Image Format for bootm command
> ERROR: can't get kernel image!
> ...
>
>>>can you do a 'file uImage' and copy the result ?
>
> ...
> [root at twiki boot]# file uImage
> uImage: PPCBoot image
> ...
>
> I tried and send you its log.

What is the kernel version that you use?

-- 
Nobuhiro Iwamatsu

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[thaoth]

>> [root at twiki boot]# file uImage
>> uImage: PPCBoot image
>> ...
>>
>> I tried and send you its log.

>What is the kernel version that you use?

I'm using version 2.6.22.11.

Thank you for answer 
Best regards,
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[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[Nobuhiro Iwamatsu]

2008/10/1 thaoth <thaoth@cybersoft-vn.com>:
>
>
>>> [root at twiki boot]# file uImage
>>> uImage: PPCBoot image
>>> ...
>>>
>>> I tried and send you its log.
>
>>What is the kernel version that you use?
>
> I'm using version 2.6.22.11.
>
I think that your linux kernel is too old.
Please use newest linux kernel or backport arch/sh/boot/Makefile
to your kernel.

Best regards,
 Nobuhiro

-- 
Nobuhiro Iwamatsu

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[michael]

Hi,

Nobuhiro Iwamatsu wrote:
> 2008/10/1 thaoth <thaoth@cybersoft-vn.com>:
>>
>>>> [root at twiki boot]# file uImage
>>>> uImage: PPCBoot image
>>>> ...
>>>>
>>>> I tried and send you its log.
>>> What is the kernel version that you use?
>> I'm using version 2.6.22.11.
>>
> I think that your linux kernel is too old.
> Please use newest linux kernel or backport arch/sh/boot/Makefile
> to your kernel.
>
> Best regards,
>  Nobuhiro
>

Use zImage and put cmdline in the zImage and try with this.

load at an address
and go <address>

Regards Michael

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[Wolfgang Denk]

Dear Michael,

In message <48E32520.20505@gandalf.sssup.it> you wrote:
> 
> Use zImage and put cmdline in the zImage and try with this.
> 
> load at an address
> and go <address>

No. Please do not make such recommendations.

Even if it should be working for you, this is not the correct way  to
boot Linux.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
You know that feeling when you're leaning back  on  a  stool  and  it
starts to tip over? Well, that's how I feel all the time.
- Steven Wright

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[michael]

Hi,

Wolfgang Denk wrote:
> Dear Michael,
>
> In message <48E32520.20505@gandalf.sssup.it> you wrote:
>> Use zImage and put cmdline in the zImage and try with this.
>>
>> load at an address
>> and go <address>
>
> No. Please do not make such recommendations.
>
> Even if it should be working for you, this is not the correct way  to
> boot Linux.
>
Sorry :)

  of course this is not the correct way, I know but it can help him to 
boot linux.

> Best regards,
>
> Wolfgang Denk
>
Regards Michael

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[thaoth]

I think I made a mistake; I didn?t describe my problem clearly. So, now I fix
it.
My purpose is: find out a way to boot a Linux Kernel from USB (FAT16). 

Here are the steps I?ve made:

 1. Get some kernel images (zImage, uImage) which I built (kernel version
2.6.22.11).
 2. Go to the board (T-Engine/SH7727) which is ported U-boot and try some
commands:
     a. usb start
     b. fatload usb 0:1 0x00200000 uimage
     c. bootm 0x00200000

And I always get this error:
Wrong Image Format for bootm command
ERROR: can't get kernel image!

I didn?t set ?bootargs? and root file system because I think they will have
no effect 
NOTE: 
CFG_SDRAM_BASE = 0x8c000000
CFG_LOAD_ADDR = 0x8e000000
Some results, I checked: 
>> [root at twiki boot]# file uImage 
>> uImage: PPCBoot image
		
I also tried: mkimage -A sh -O linux -T kernel -C gzip -a 0x8e000000 -e
0x8e000000 -n Linux  -d linux.bin.gz uImage

best regards

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[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[thaoth]

Hi, 

I tried to boot with ext2 file system and get this result:
=> usb start
(Re)start USB...
USB:   scanning bus for devices... cannot reset port 1!?
2 USB Device(s) found
       scanning bus for storage devices... 1 Storage Device(s) found
=>ext2load usb 0:1 0x00200000 uImage
??.
1045127 bytes read
=> bootm 0x8c200000
*  kernel: cmdline image address = 0x8c200000
## Booting kernel from Legacy Image at 8c200000 ...
   Image Name:   Linux-2.6.22.11
   Image Type:   SuperH Linux Kernel Image (gzip compressed)
   Data Size:    974852 Bytes = 952 kB
   Load Address: 8c002000
   Entry Point:  8c002000
   Verifying Checksum ... Bad Data CRC
ERROR: can't get kernel image!

Could you tell me an advice?

NOTE: I think I can have a problem with ?Load Address: 8c002000?  ?
 
Best regard.

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[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[thaoth]

Hi, 

   Do i have a problem with "Verifying Checksum ... Bad Data CRC??

Best regard.


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[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[michael]

Hi,

thaoth wrote:
> Hi, 
>
>    Do i have a problem with "Verifying Checksum ... Bad Data CRC??
>
> Best regard.
>
>
Have you try to load your image using tftpboot and put it in memory?
Are you sure that you don't have any problem with memory initialization?

Regards
Michael

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[thaoth]

Hi Michael,

>Have you try to load your image using tftpboot and put it in memory?
My board don't have Eth port, so we can't try tftpboot 
>Are you sure that you don't have any problem with memory initialization?
i think i don't have any problem with memory initialization, because i can
see my image(using iminfo) on memory.

Best regards,
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[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[Albert ARIBAUD]

thaoth a ?crit :

>>> can you do a 'file uImage' and copy the result ?
> 
> ...
> [root at twiki boot]# file uImage
> uImage: PPCBoot image

When I look at my own uImages, they come out as:

$ file /var/lib/tftpboot/uImage
/var/lib/tftpboot/uImage: u-boot/PPCBoot image

Not sure this is important though.

What version of u-boot mkimage are you using and how do you invoke it?

Amicalement,
-- 
Albert.

[U-Boot] [UBoot] Hows to boot Linux Kernel from USB

[Markus Klotzbücher]

On Tue, Sep 30, 2008 at 04:28:44AM -0700, thaoth wrote:

> => bootm
> Wrong Image Format for bootm command
> ERROR: can't get kernel image!
> 
> This seems here is wrong command. I should load uImage (not zImage) into

Thats it! Get yourself an uImage!

Markus

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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")