[U-Boot] omap4460 nand booting ?

[Michael Trimarchi]

Hi

On Sat, Jan 11, 2014 at 2:35 AM, Abraham Varricatt
<abraham.varricatt at googlemail.com> wrote:
> On Sat, Jan 11, 2014 at 3:45 AM, Gupta, Pekon <pekon at ti.com> wrote:
>>
>> >From: abraham.varricatt at vvdntech.com
>> >Hello,
>> >
>> >Thanks to the help I obtained on this mailing list, I've been able to
>> >customize u-boot (2013.10 release) to work on a custom omap4460 board.
>> >Schematically, it's similar to the pandaboard, but uses the twl6032
>> >pmic and has a NAND memory from micron present.
>> >
>> >
>> >The problem I'm facing is that I can't seem to boot directly from the
>> >nand memory chip. We've set the boot configuration pins to start with
>> >NAND boot, but it doesn't seem to work. On probing the CS and
>> >nand-busy lines we can see some activity happening, but don't
>> >understand what it means.
>> >
>> >
>> >Any suggestions on how I could debug this?
>> >
>> If this NAND has bus-width = 16, then you need to tweak the
>> board file with following changes.
>> Below code is for AM335x platforms, you need similar for omap4 platforms
>
> No, the NAND memory I'm using has a bus-width of 8.
>

How do you write on the nand the fist stage boot? Should
be ecc check of the bootrom

Michael


> -Abraham V.
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot



-- 
| Michael Nazzareno Trimarchi                     Amarula Solutions BV |
| COO  -  Founder                                      Cruquiuskade 47 |
| +31(0)851119172                                 Amsterdam 1018 AM NL |
|                  [`as] http://www.amarulasolutions.com               |