>From the README:
now you can read and write the 2k ts7250 eeprom from redboot with:
eeprom_read -b <location> -o <eeprom offset> -l <length> [-d dump]
eeprom_write [-b <location>] -o <eeprom offset> [-l <length>]
You can upload a new binary eeprom image for burning:
RedBoot> load -v -r -m xmodem -b 0x00007000
(then send the file from minicom using xmodem)
Now test the new eeprom image:
RedBoot> x -b 0x00007000 -l 2048
Now burn the new eeprom:
RedBoot> eeprom_write -b 0x00007000 -o 0 -l 2048
Written 2048 bytes of eeprom content
Now test that the burn worked:
RedBoot> eeprom_read -b 0x00007000 -o 0 -l 2048
Read 2048 bytes of eeprom content
--- In ragin shah <> wrote:
>
> Hi !
> I tried ts-preboot-ts9.bin (which is of 2K) &
> transferd it to EEPROM via serial blaster utility.
> But, after this file got tranfered, message like
> "Success:.." came & further transmission of
> redboot.bin file is stopped.
> I mean when I was transfering the EEPROM image of
> serial blaster utility , it transfers 'boot.bin' file
> in EEPROM & 'redboot.bin' file in Flash.
> but ,when I m tranfering 'preboot-ts9.bin' file( from
> ftp://ftp.embeddedarm.com.images/) , it transfers only
> 'preboot-ts9.bin' file. & after transfering, I m not
> getting 'RedBoot' prompt on terminal.
> So , can u please tell me what could be the promblem?
>
> --- curtis934x <> wrote:
>
>
> ---------------------------------
> boot images are here:
>
> ftp://ftp.embeddedarm.com/images/
>
> You want the appropriate
> preboot image
> Should be 2KB.
>
> -Curtis.
>
>
> --- In ragin shah
> <shahragin1@> wrote:
> >
> > Hi !
> > Thanx for reply.
> > I am using serial blaster image in EEPROM.
> > So, can u please tell me how to enable USB support
> in
> > that EEPROM image? or how to write TS-EEPROM image
> > instead of serial blaster image ?
> >
> >
> > --- Curtis Monroe <curtis@> wrote:
> >
> >
> > ---------------------------------
> > If you wrote the EEPROM with a SerialBlaster image,
> as
> > opposed to a TS EEPROM
> > image, then you need to use the Modified redboot.
> Some
> > of the functionality
> > in the TS EEPROM, and the 16k Flash Boot image it
> > loads have been moved to
> > redboot to skip loading the 16k Flash image.
> >
> > This could include settings for the timing of the
> USB
> > (I'm not sure). My focus
> > on making the SerialBlaster was only to restor a
> > board, so I didn't spend
> > much time verifying that the burnable EEPROM
> > replacement image and modified
> > RedBoot set all the registers correctly.
> >
> > Let me know if you are using the SerialBlaster
> EEPROM
> > image, If you are I'll
> > look into this.
> >
> > -Curtis.
> >
> >
> > On May 8, 2006 06:37 am, ragin shah wrote:
> > > Hi all !
> > > I tried every possible solutions that has been
> given
> > > by TS-7200 group members. But, any of them didn't
> > > work. Still USB problem is not solved.
> > > I faced this USB problem, after EEPROM got
> currupted
> > > in TS-7250 board. But, EEPROM problem has been
> > solved
> > > using serial blaster utility.
> > > The only possibility that I can think of is either
> > > changing in some register values or IRQ values.
> > > If any one has any idea then please help me out.
> > >
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>
>
>
> Ragin Shah
> M.Tech(CSE),
> Nirma University,
> Ahmedabad.
> Mob : 9426419585
>
>
>
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