Date: Sun, 14 Mar 2010 17:40:01 -0300 From: Luiz Otavio O Souza <loos.br@gmail.com> To: "M. Warner Losh" <imp@bsdimp.com> Cc: gjb@semihalf.com, embedded@freebsd.org, andrew@fubar.geek.nz Subject: Re: NAND Flash Framework for review Message-ID: <E1BB917F-558B-4BF8-9C8D-B173665B405D@gmail.com> In-Reply-To: <20100314.120453.737751539143972474.imp@bsdimp.com> References: <0AE04EFA-A3EB-4939-BD81-607C00355B67@semihalf.com> <20100314165825.121d346b@fubar.geek.nz> <CC419602-A9E8-4FE2-A5A5-0BFBD8240EDD@gmail.com> <20100314.120453.737751539143972474.imp@bsdimp.com>
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On Mar 14, 2010, at 3:04 PM, M. Warner Losh wrote: > Has anybody also looked at the work I did for serial flash parts on > the at91rm9200? How does that compare with this effort here (other > than I supported only one chip size)? Is that spi-connected memory > NAND? > > Warner Warner, If i've picked the right driver on tree (dev/flash/at45d.c) and the right data sheet it is not NAND, it is DataFlash and looks like Atmel specific. The main difference here is that you don't need to worry about bad blocks on dataflash (the same as flash). Luizhelp
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