From: Michael Galassi <mgalassi@c-cor.com>
To: "Reeve Yang" <yang.reeve@gmail.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: Need help on PPC8343E bringup
Date: Fri, 29 Sep 2006 14:33:30 -0700 [thread overview]
Message-ID: <200609292133.k8TLXUUv072654@penguin.ncube.com> (raw)
In-Reply-To: <198592450609291408w2dbf7e5ckf5e4cf7023d2000@mail.gmail.com>
>Hello linux-ppc experts,
>
>I'm trying to use using wind river jtag probe to download uboot to our
>switching box which is with PPC8343E/Intel 28F128J3D memory flash(16M).
>Memory mapping is starting from 0xFF000000 to 0xFFFFFFFF which is 16M. The
>JTAG software I'm using is visionclick8.
>
>The problem now is that I even couldn't erash flash, with following error
>message:
>
>TF ERASE FFF00000..FFFFFFFF INTEL 28F128Jx ( 8192 x 16 ) 1 Device
>Erasing Flash(s) ... Failed
>!ERROR! - [msg100000] Failed while erasing the device(s)
>>BKM>
>!HALT! - [msg90009] Target Stopped : CheckStop taken; PC = 0x00007404 [EVENT
>Taken]
>>BKM>
>
>Does anyone has experiece to bring up this CPU, and could shed some lights
>on it? Thank you in advance.
>
>- Reeve
Your flash part[s] are almost certainly write-protected, or part of them
is. Get the data-sheet for them and find what combination to write to
them to un-protect them and try again. For the parts I'm using (micron
MT28F128J3) writing 0x00600060 followed by 0x00d000d0 to the part does
the trick.
-michael
next prev parent reply other threads:[~2006-09-29 21:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-29 21:08 Need help on PPC8343E bringup Reeve Yang
2006-09-29 21:33 ` Michael Galassi [this message]
2006-09-29 21:39 ` Michael Galassi
2006-09-29 22:03 ` Reeve Yang
2006-09-29 22:14 ` Michael Galassi
2006-09-29 22:43 ` Mathews, Phil
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