Re: [microblaze-uclinux] error UART not defined

[Michal Simek <monstr@xxxxxxxxx>]

Hi Chris,

> 
> Michal
> 
> I'm still fighting the original error UART not defined problem and will
> be asking some additional questions soon, but.....
> I'm not sure disabling U-Boot will help either since I do need the
> image.ub file.
> However, to get through the night, as they say, let me understand this
> last suggestion.  If one takes the following....
> 
> petalinux-dist/vendors/PetaLogix/common/common.mak
> 
> and edits the lines containing:
> 
> ifneq ($(BUILD_UBOOT),)
> image: mkcramfs $(LINUXBIN) $(FSIMG) $(ELF_IMAGE) $(SREC_IMAGE)
> netflash_ver mkubimage mkubscript
> else
> image: mkcramfs $(LINUXBIN) $(FSIMG) $(ELF_IMAGE) $(SREC_IMAGE)
> netflash_ver
> endif
> 
> and edits it to:
> 
> image: mkcramfs $(LINUXBIN) $(FSIMG) $(ELF_IMAGE) $(SREC_IMAGE)
> netflash_ver mkubimage mkubscript
> image: mkcramfs $(LINUXBIN) $(FSIMG) $(ELF_IMAGE) $(SREC_IMAGE)
> netflash_ver

You have to keep here only line -> first one.

> 
> The /tftpboot directory, when the compile is complete, will have the
> image.ub file exactly as if U-Boot was run?

If you turn on copy image to /tftpboot/ they should be there. Better checking is
in image directory (petalinux-dist/images). You should see image.ub there.

> 
> If this is the case, then why run U-boot at all?  Understanding I have
> no experience yet with U-Boot and what it does.

U-BOOT is second stage bootloader. More information about you can find at
http://developer.petalogix.com/wiki/UserGuide/Bootloaders/UBoot


Thanks,
Michal



> 
> ....thanks......Chris
> 
> 
> Michal Simek wrote:
>> Hi guys,
>>
>>
>>  
>>> Hello Mak,
>>>
>>> Just to clear something out:
>>>
>>> image.ub --> is the linux kernel image and the root file system in
>>> U-Boot format.
>>>
>>> it was not created since you specified that you did not want it to be
>>> created when you customized the platform settings in Menuconfig.
>>>
>>> image.bin --> is the linux kernel image and the root file system in
>>> binary format. this is the one you would use to boot the system up in
>>> this case.
>>>
>>> correct me if I am wrong. thanks.
>>>     
>>
>> yes, you are right. But it is no problem you can create it by hand.
>> It is easy. Go to petalinux-dist/vendors/PetaLogix/common/common.mak
>> -> lines
>> 428-460 -> remove ifneq and endif and you should get ub images without
>> U-BOOT
>> build. Or just run line 442-449 with correct values.
>>
>> Regards,
>> Michal
>>
>>
>>  
>>> Regards.
>>>
>>> Aws\
>>>
>>> On Mon, Feb 23, 2009 at 12:16 PM, Olof Backing
>>> <olof.backing@xxxxxxxxxxxx <mailto:olof.backing@xxxxxxxxxxxx>> wrote:
>>>
>>>     On 23 feb 2009, at 19.43, Mak Visp wrote:
>>>
>>>         I tried to disable building u-boot. The kernel compiles without
>>>         errors. But at the end there is no "image.ub".
>>>
>>>
>>>     You did disable u-boot, didn't you... That's why you won't receive
>>>     any u-boot-doped binaries. The extension .ub stands for - U-Boot!
>>>
>>>
>>>         I am confused with this. Is it that I am missing something while
>>>         config or something has changed?
>>>
>>>
>>>
>>>     Don't be... ;)
>>>
>>>     Regards,
>>>     Olof
>>>     --     Olof Backing
>>>     CAG Contactor AB                              Office: +46 (0)8
>>> 752 81 00
>>>     Finlandsgatan 14                             Mobile: +46 (0)70
>>> 995 98 99
>>>     SE-164 74  KISTA                                 Fax: +46 (0)8
>>> 752 05 30
>>>
>>>
>>>     ___________________________
>>>     microblaze-uclinux mailing list
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>>>     <mailto:microblaze-uclinux@xxxxxxxxxxxxxx>
>>>     Project Home Page :
>>>     http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux
>>>     <http://www.itee.uq.edu.au/%7Ejwilliams/mblaze-uclinux>
>>>     Mailing List Archive :
>>>     http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/
>>>     <http://www.itee.uq.edu.au/%7Elistarch/microblaze-uclinux/>
>>>
>>>
>>>
>>>
>>> -- 
>>> Aws Ismail, BASc. EE
>>>
>>> MASc. Candidate
>>> Mechatronic Systems Engineering
>>> Simon Fraser University
>>> 250-13450 102 Avenue
>>> Surrey BC V3T 0A3
>>> ---------
>>>     
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>>
>>
>>   
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