From: Andre Schwarz <andre.schwarz@matrix-vision.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] NAND on eLBC
Date: Wed, 10 Nov 2010 09:36:54 +0100 [thread overview]
Message-ID: <4CDA59A6.4040807@matrix-vision.de> (raw)
In-Reply-To: <20101109133608.400cb60b@udp111988uds.am.freescale.net>
Scott,
>> looks like I made a mistake on current MPC8377 NAND wiring.
>>
>> Nand-Flash "write enable" is wired to LFWE1 ... I connected each WE to
>> its corresponding CS, i.e. :
>>
>> - CS0/WE0 -> Nor Flash
>> - CS1/WE1 -> Nand Flash
>> - CS2/WE2 -> MRAM
>>
>> Am I assuming right that FCM can only use WE0 ?
>>
> I think so. It looks like the other lines were meant to be byte
> selects for NOR/UPM, not anything to do with the chip select.
>
ok - understood.
>> Do you see any issue with connecting all devices to WE0 since they have
>> distinct chip selects ?
>>
> I guess not, especially if that's the only way the FCM works.
>
After some rework (LFWE1->LFWE0) the NAND Flash is now working fine.
Regards,
Andr?
MATRIX VISION GmbH, Talstrasse 16, DE-71570 Oppenweiler
Registergericht: Amtsgericht Stuttgart, HRB 271090
Geschaeftsfuehrer: Gerhard Thullner, Werner Armingeon, Uwe Furtner
prev parent reply other threads:[~2010-11-10 8:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-05 9:21 [U-Boot] NAND on eLBC Andre Schwarz
2010-11-09 19:36 ` Scott Wood
2010-11-10 8:36 ` Andre Schwarz [this message]
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