[U-Boot-Users] nand_oobinfo for 1Gbyte nand flash with oobsize=512

[Stuart Wood]

Thanks Claudio for the information,

I've taken a look at the data sheet and it does not fit the typical
large page flash, but It does not mean its not supported under Linux
which is were the FLASH subsystem in U-Boot comes from. Neither am I
familiar with the open nand flash interface onfi.org. BUT this should
not be too difficult to add to u-boot or the Linux's MTD layer. The
hardest part is the odd OOB size. It's 10 Bytes longer than twice the
large page size.

Look at the MTD pages for help porting
"http://www.linux-mtd.infradead.org/doc/nand.html"

Good Luck

Stuart

> -----Original Message-----
> From: Stuart Wood [mailto:stuart.wood at labxtechnologies.com]
> Sent: Monday, July 21, 2008 4:01 PM
> To: Spinelli, Claudio (Claudio)
> Cc: u-boot-users at lists.sourceforge.net
> Subject: Re: [U-Boot-Users] nand_oobinfo for 1Gbyte nand flash with
> oobsize=512
>
> Claudio,
>
> This does not appear to be a standard large page device witch has;
>
> page size of 2048 bytes plus 64 bytes OOB block size of 129KiB plus 4096
> OOB
>
> Do you have the data sheet or are you determining the information below
> from the ID byte?
>
> Stuart
>
>
> http://www.linux-mtd.infradead.org/doc/nand.html
>
> On Mon, Jul 21, 2008 at 3:34 PM, Spinelli, Claudio (Claudio)
> <claudio at alcatel-lucent.com> wrote:
>> Stuart,
>>
>> It is as follows:
>>
>> The fourth byte is 0x2E which breaks down as follows:
>> oobsize = 512
>> oobblock = 4096
>> erasesize = 256k
>> busw = 8
>>
>> Additional info:
>> 1 page = 4k + 218 bytes
>> 1 block = (4k +218 bytes) x 64 pages = (256k +13k) bytes
>>
>> Device total size = 8,608Mbit
>>
>> Thanks
>>
>> Claudio
>>
>>
>> -----Original Message-----
>> From: Stuart Wood [mailto:stuart.wood at labxtechnologies.com]
>> Sent: Saturday, July 19, 2008 11:33 PM
>> To: Spinelli, Claudio (Claudio)
>> Cc: u-boot-users at lists.sourceforge.net
>> Subject: Re: [U-Boot-Users] nand_oobinfo for 1Gbyte nand flash with
>> oobsize=512
>>
>> Claudio,
>>
>> OK, Micron does not like to share there data sheets, so I can't look
>> up the part. You will need to describe the part then.
>>
>> SLC or MLC? (presumably MLC)
>> Page Size?
>> Block Size?
>> OOB per Page?
>>
>> With that information people should be able to help you. I, myself,
>> have never used the MLC NAND Flash so I don't know if it differers
>> from the SLC types. I do now that both Large and Small page SLC Flash
>> is well supported.
>>
>> Stuart
>>
>> On Sat, Jul 19, 2008 at 5:18 PM, Spinelli, Claudio (Claudio)
>> <claudio at alcatel-lucent.com> wrote:
>>> MICRON MT29F8G08AAA
>>>
>>> -----Original Message-----
>>> From: Stuart Wood [mailto:stuart.wood at labxtechnologies.com]
>>> Sent: Saturday, July 19, 2008 4:22 PM
>>> To: Spinelli, Claudio (Claudio)
>>> Cc: u-boot-users at lists.sourceforge.net
>>> Subject: Re: [U-Boot-Users] nand_oobinfo for 1Gbyte nand flash with
>>> oobsize=512
>>>
>>> It would be much more useful if you stated what the part number and
>>> manufacturer were.
>>>
>>> Stuart
>>>
>>> On Sat, Jul 19, 2008 at 12:18 PM, claudio123 <claudio at lucent.com>
>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> Has anybody used 1GByte nand flash with 1 die and oobsize of 512,
>>>> oobblock =4096.
>>>> Do you know how to create the "static struct nand_oobinfo" in
>>>> nand_base.c for a oobsize of 512.
>>>> Does anyboody have support in uboot or linux kernel for such nand
>>> flash.
>>>>
>>>> Thanks
>>>>
>>>> Regards
>>>>
>>>> Claudio
>>>>
>>>>
>>>> --
>>>> View this message in context:
>>>> http://www.nabble.com/nand_oobinfo-for-1Gbyte-nand-flash-with-oobsiz
>>>> e % 3D512-tp18546190p18546190.html Sent from the Uboot - Users
>>>> mailing list archive at Nabble.com.
>>>>
>>>>
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>>>
>>>
>>>
>>> --
>>> Stuart Wood
>>>
>>> Lab X Technologies, LLC
>>> 176 Anderson Ave.
>>> Suite 302
>>> Rochester, NY 14607
>>> Phone: (585) 271-7790 x207
>>> Fax: (585) 473.4707
>>>
>>
>>
>>
>> --
>> Stuart Wood
>>
>> Lab X Technologies, LLC
>> 176 Anderson Ave.
>> Suite 302
>> Rochester, NY 14607
>> Phone: (585) 271-7790 x207
>> Fax: (585) 473.4707
>>
>
>
>
> --
> Stuart Wood
>
> Lab X Technologies, LLC
> 176 Anderson Ave.
> Suite 302
> Rochester, NY 14607
> Phone: (585) 271-7790 x207
> Fax: (585) 473.4707
>



-- 
Stuart Wood

Lab X Technologies, LLC
176 Anderson Ave.
Suite 302
Rochester, NY 14607
Phone: (585) 271-7790 x207
Fax: (585) 473.4707