[U-Boot-Users] Stops booting after RAM info

navin karnam navin.karnam at gmail.com
Wed Jun 18 16:39:28 CEST 2008

Hi all,

The flash chip in my board is Intel 28F256P33T
which is not defined in the u-boot-1.1.6/include/flash.h

Please guide what is the procedure i should follow to add it.

On Wed, Jun 18, 2008 at 7:35 PM, Andrejs Cainikovs <
AndrejsC at globalautomationsystems.com> wrote:

> Haavard Skinnemoen wrote:
> Andrejs Cainikovs <AndrejsC at GlobalAutomationSystems.com> <AndrejsC at GlobalAutomationSystems.com> wrote:
>  Our boards flash driver is the same as in board/atmel/at91rm9200dk/flash.c
> The only thing that was modified is the flash identification routine, as
> there was no support for AT49BV642D.
>  This chip is supported by the CFI driver (the ATNGW100 board relies on
> that.)
>  The flash organization for this chip is the same as in AT49BV6416 which
> exists in the sources, so we haven't changed a lot.
>  This chip is not yet supported by the CFI driver. It needs a fixup due
> to reversed erase region information, but since the CFI driver only
> reads the low 8 bits of the ID, there's currently no way to tell it
> apart from AT49BV642D, which doesn't need this fixup.
> If someone can figure out how to read a 16-bit ID when appropriate, I
> suspect we can get rid of quite a few board-specific flash drivers
> (including the one for ATSTK1000).
> Unfortunately, I don't have the time to look into this myself at the
> moment.
> Haavard
>  +1 goes to Atmel people. Thanks, Haavard!
> Kind reagards,
> Andrejs Cainikovs.
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