From: Michael Schwingen <rincewind@discworld.dascon.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] "stacked" memory mapped flash assisted with GPIOs
Date: Sun, 20 Jan 2008 22:28:58 +0100 [thread overview]
Message-ID: <4793BD1A.40502@discworld.dascon.de> (raw)
In-Reply-To: <200801201504.21000.vapier@gentoo.org>
Mike Frysinger wrote:
>> I have not yet looked at the details of working with NAND flash, but the
>> requirements should be similar. Maybe the NAND subsystem can be coerced
>> to do what you need ...
>>
>
> i dont think nand would be as much of a problem as it isnt directly
> addressable. you have to go through the "nand" subsystem for reading/writing
> while with parallel nor flash, it's directly addressable.
Well, your parallel flash is *not* directly addressable, so it might be
worth to check if the NAND code can be used (by providing a NAND
low-level driver which redirects to your banked flash).
cu
Michael
next prev parent reply other threads:[~2008-01-20 21:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-20 10:56 [U-Boot-Users] "stacked" memory mapped flash assisted with GPIOs Mike Frysinger
2008-01-20 11:26 ` Michael Schwingen
2008-01-20 20:04 ` Mike Frysinger
2008-01-20 21:28 ` Michael Schwingen [this message]
2008-01-21 5:57 ` Mike Frysinger
2008-01-21 12:00 ` Haavard Skinnemoen
2008-01-21 13:01 ` Mike Frysinger
2008-01-21 22:20 ` Haavard Skinnemoen
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