EP8260

[deepesh at india.tejasnetworks.com]

Hi,

  I checked the first sector, and I see the Hard Reset Configuration
Word. I think there is some other problem.

Deepesh

On Tue, 22 Jul 2003, Steven Blakeslee wrote:

> Was one of the sectors you erased the first sector? If so that is your
> problem, the hard reset word is located in the beginning of the first
> sector. To fix this you need to do the following.
>
> 1. There is a resistor that is removed from the board at location RO2.
> This resistor sets the default hard reset word. You have to put a 0ohm
> resistor at this location, a solder glob will also work.
> 2. Download the Planet Core FLASH burner and execute it. Give the
> command hrw to reburn the hard reset word. If the processor is 233MHz
> or higher give the command hrw h.
> 3. Remove the 0ohm resistor(or solder glob) at RO2.
>
> -----Original Message-----
> From: deepesh at india.tejasnetworks.com
> Sent: Tuesday, July 22, 2003 3:33 AM
> Subject: EP8260
>
>   I loaded my EP8260 board with UBOOT. This was working fine. Then I
> loaded a binary into RAM using tftp. Then tried copying the stuff to
> flash. When I could not copy things into flash directly, I erased a
> few sectors randomly and then copied the binary to flash. Then when I
> reset the board, it did not come up.
>
> I put back the u-boot into the flash using BDI2000. But now I am
> getting weird characters on the screen. I have looked at the minicom
> settings-- It is 115200 and 8N1. These were the settings with which
> I was working before also. What I am not able to understand is the
> reason for the weird characters.
>
> I am attaching the weird character file. The last line seems to be the
> U-BOOT prompt. I tried changing the TERMINAL SETTINGS to ANSI from
> VT100, but it did not help.
> ------------------------------------------------------------------------
> ?åêáó`*m,ïïô`0nsnp`hSõì rr`r0ps`m at qrzs2zrvi
>
> ??fxrv0`?åóåô`?ôáôõóz@?øôåòîáì`?ïæôl ?øôåòîáì`Èáòä
>
> ??fxrvp fìïãë`fïîæéçõòáôéïî
> `m`,õómôïmfïòå`?õìô`snuøl`-f?`?éö rl`v0ø`,õó`?òåñ``sp-xu`l fïòå ?òåñ qppm3pp
> `m`äæâòç`q,`ãïòåãîæ`0øqål`âõóäæ`rl`ãðíäæ`ql`ðììäæ`ql`ðììíæ`r
> `m`öãïYïõô``qyxppp0ppl`óããYãìë```tyupppppl`âòçYãìë```1rswup0p
> `m`ãðõYãìë` rsqpppppp,`ãðíYãìë`@`yyp0ppppL`âõóYãìë```vvp0pppp
>
> f?*z`` ??fxrvp`h?åö`q4l`?áóë`?n0h?i`r<ru?)`áô`2sq`?Èú
> ,ïáòäz ?íâåääåä`?ìáîåô`??x2vpl`?åöéóéïî`p.p
> ?2fz`` òåáäù
> ????z `vt`?,
> ????^:`qv ?,
> jjj`-áòîéîç`m`âáä`f?fl`õóéîç`äåæáõìô`åîöéòïîíåîô
>
> ?îz` ``óåòéáì
> ?õôz ``óåòéáì
> ?òòz ``óåòéáì
> ?Åôz```?ffs`??^?????
> ,??,*?zòåÁäù
> }~`
> --------------------------------------------------------------------------

--

D.Deepesh
R&D Engineer,
Tejas Networks

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