From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] spi/atmel: add AT45DB321D support
Date: Thu, 8 Jan 2009 05:51:59 -0500 [thread overview]
Message-ID: <200901080552.00810.vapier@gentoo.org> (raw)
In-Reply-To: <1231357230.32308.433.camel@elrond.atmel.com>
On Wednesday 07 January 2009 14:40:30 Ulf Samuelsson wrote:
> tis 2009-01-06 klockan 14:48 -0800 skrev Brad Bozarth:
> > Hmm... looking in the datasheet I have, it says:
> > Flexible Erase Options
> > ? Page Erase (512 Bytes)
> > ? Block Erase (4 Kbytes)
> > ? Sector Erase (64 Kbytes)
> > ? Chip Erase (32 Mbits)
>
> The dataflash is normally 528/1056 bytes per page.
> D versions can be configured to have a 512/1024 bytes per page
> but that is wasting a couple of percent of the dataflash.
Blackfins can only boot with power of two flashes, so power of two page mode
has to be supported for us ... not sure if the latest drivers have been fixed
yet (both in u-boot and Linux)
-mike
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next prev parent reply other threads:[~2009-01-08 10:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-30 7:59 [U-Boot] [PATCH] spi/atmel: add AT45DB321D support Mike Frysinger
2009-01-04 6:36 ` Jean-Christophe PLAGNIOL-VILLARD
2009-01-04 6:44 ` [U-Boot] [PATCH 1/1] mtd: add some at45 spi flash support Jean-Christophe PLAGNIOL-VILLARD
2009-03-19 7:18 ` Mike Frysinger
2009-03-19 9:03 ` Jean-Christophe PLAGNIOL-VILLARD
2009-01-06 22:48 ` [U-Boot] [PATCH] spi/atmel: add AT45DB321D support Brad Bozarth
2009-01-07 19:40 ` Ulf Samuelsson
2009-01-08 10:51 ` Mike Frysinger [this message]
2009-01-08 20:33 ` Brad Bozarth
2009-01-08 20:39 ` Mike Frysinger
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