--- In "naturalwatt" <> wrote:
>
> I have a TS7550 which has gone 'bricked'. Attempting to boot, it display the
> TS-BOOTROM message, then the three lines with one dot on it, then repeats the
> TS-BOOTROM message in a 5-second cycle.
>
> In case this was due to a problem on the TS-752 it is mounted on, I removed
> it but the reboot is stil happening every 5 seconds as witnessed by the Red
> LED flashing briefly.
>
> I have a TS752 which was bought with a TS7500 quite a long time ago. Using
> JP2 to get the TS7550 to boot from the off-bard SPI flash doesn't work - the
> symptoms are however different. it boots "Booting from offboard SPI Flash"
> to a command prompt, but then gives the TS-BOOTROM message after about 5
> seconds.
>
> So I assume the offboard SPIflash which will happily boot the TS7500, is not
> compatible with the TS7550?
>
> If so, how do I copy an image from a known good TS7550 to the TS752 so I can
> boot the bad TS7550 from it?
>
> I can see spiflashctl has read/write options, but how I do make sure I write
> to the offboard TS752 SPI FLASH?
>
> The documentation indicates that spiflashctl reads/writes to the boot medium,
> so there is no way to choose between onbard and offboard SPI Flash.
>
> I assume I need to do these steps:
>
> 1) Mount good TS7550 on TS752.
> 2) Boot from onboard NAND Flash
> 3) Copy kernel image from (WHERE?) to offboard SPI FLASH (HOW?)
> 4) Copy initrd from (WHERE?) to offboard SPI FLASH (HOW?)
> 5) Mount bad TS7550 on TS752
> 6) Boot TS7550 from offboard SPI FLASH using JP2.
> 7) Copy part1 of offboard SPI to (WHERE?)
> 8) Copy part2 of offboard SPI to (WHERE?)
>
> And then maybe the bad TS7550 will boot without JP2.
>
> Martin
>
Maybe the TS-7500 Software Guide will be useful in getting you going in the
right direction...
http://www.embeddedarm.com/about/resource.php?item=410#backup
http://www.embeddedarm.com/about/resource.php?item=410#spiflash
Best Regards,
Derek Hildreth
----------------------------
Embedded Systems Engineer
Technologic Systems
480.837.5200
----------------------------
------------------------------------
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/ts-7000/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/ts-7000/join
(Yahoo! ID required)
<*> To change settings via email:
<*> To unsubscribe from this group, send an email to:
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|