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[microblaze-uclinux] Re: [microblaze-uclinux] Re: [microblaze-uclinux] [microblaze-uclinux] U-boot can’t download “image.ub”
Hi Thierry,
> Hi and thank you for help,
>
>
>
> When I send petaLinux by R232 and I use a simple command line as “ls” or
> “cd” I see that petaLinux is very very slow. For example, the command
> “ls” put 2 seconds to display the file system.
>
>
>
> I am using a Virtex 4 with a Microblaze clocked at 100Mhz. petaLinux is
> built with a 2.6 kernel. On ‘OS’ part of ‘.mss’ file I write 66666667 on
> CORE_CLOCK_FREQ_HZ parameter.
>
>
>
> I think the origin of my problem stems from that. What can I do for
> petaLinux get a better speed? I would like fix this petaLinux slowly
> problem before seeking something else.
I think you don't use caches. Look at bogomips in kernel log -> if is there something below 10
you don't use caches. You should enable them in hw design.
Regards,
Michal
>
>
>
> Cordially,
>
> Thierry.
>
>
>
> 2009/4/2 Dr. Johann Pfefferl <j.pfefferl@xxxxxxxxx
> <mailto:j.pfefferl@xxxxxxxxx>>
>
> Hello,
>
> I have found out that it depends also on the tftp server I use.
> If I install the normal "tftpd" from the debian archive I had the same
> problems. Now I use the "atftpd" package (advanced TFTP server) and
> there are no longer any difficulties. u-boot sends some "timeout" and
> "blksize" information to the tftp server. The normal tftpd ignores this
> but the atftpd server honors this (especially the timeout stuff).
>
> Hope this helps,
> Hans
>
> Thierry BESSIERE <t.bessiere@xxxxxxxxxxxxxxxxxxxxx
> <mailto:t.bessiere@xxxxxxxxxxxxxxxxxxxxx>> wrote:
> > Hi,
> >
> >
> >
> >
> >
> > I would like download “image.ub” with a TFTP server but u-boot can’t
> > download this file. Here is what I have in the hyper terminal:
> >
> >
> >
> > _______________________________________________________
> >
> > Load address: 0x8c000100
> >
> > Loading:
> #################################################################
> >
> > ##########T #T ###########T T T T T T T T
> >
> > Retry count exceeded; starting again
> >
> > TFTP from server 192.168.0.71; our IP address is 192.168.0.10
> >
> > Filename 'image.ub'.
> >
> > Load address: 0x8c000100
> >
> > Loading: #########################T #############T T T T
> > #######################
> >
> > ####
> >
> > ############T T T T T ###
> >
> > Retry count exceeded; starting again
> >
> > TFTP from server 192.168.0.71; our IP address is 192.168.0.10
> >
> > Filename 'image.ub'.
> >
> > Load address: 0x8c000100
> >
> > Loading: ############################T T T T T T T T T T
> >
> > Retry count exceeded; starting again
> >
> > TFTP from server 192.168.0.71; our IP address is 192.168.0.10
> >
> > Filename 'image.ub'.
> >
> > Load address: 0x8c000100
> >
> > Loading: T #T ####T T T T
> > ######################################################
> >
> > ######
> >
> > #############################T T T T
> >
> > Retry count exceeded; starting again
> >
> > _______________________________________________________
> >
> >
> >
> > I use these command lines before starting the download:
> >
> > _______________________________________________________
> >
> > setenv serverip 192.168.0.71
> >
> > setenv ipaddr 192.168.0.10
> >
> > setenv bootfile image.ub
> >
> > ________________________________________________________
> >
> > My questions ar the next :
> >
> >
> > 1] Should I validate an option in menuconfig for the TFTP protocol?
> >
> >
> >
> > 2] On EDK, I must modify the parameters of EMAC?
> >
> >
> >
> > 3] PetaLinux is very slow on the FPGA, The lost packets can be the
> > consequence of this?
> >
> >
> >
> > Best regards.
> >
> > Thierry
>
> --
> Dr. Johann Pfefferl ------------ mailto j.pfefferl at eubus dot net
> Eubus GmbH http://www.eubus.net <http://www.eubus.net/>
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> ==
> -o) A computer program does what you tell it to do,
> /\\ not what you want it to do.
> _\_v-
>
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>
>
--
Michal Simek, Ing. (M.Eng)
PetaLogix - Linux Solutions for a Reconfigurable World
w: www.petalogix.com p: +61-7-30090663,+42-0-721842854 f: +61-7-30090663
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