[U-Boot] [PATCH] [PATCH v2] issue write command to base for JEDEC flash

[Stefan Roese]

On Friday 10 July 2009 12:03:57 ratbert.chuang at gmail.com wrote:
> From: Po-Yu Chuang <ratbert at faraday-tech.com>
>
> For JEDEC flash, we should issue word programming command relative to
> base address rather than sector base address. Original source makes
> SST Flash fails to program sectors which are not on the 0x10000 boundaries.
>
> e.g.
> SST39LF040 uses addr1=0x5555 and addr2=0x2AAA, however, each sector
> is 0x1000 bytes.
>
> Thus, if we issue command to "sector base (0x41000) + offset(0x5555)",
> it sends to 0x46555 and the chip fails to recognize that address.
>
> This patch is tested with SST39LF040.

Applied to u-boot-cfi. Thanks.

Best regards,
Stefan

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