[U-Boot] [PATCH] atmel_df_pow2: standalone to convert dataflashes to pow2
Andrzej Wolski
awolski at poczta.fm
Mon Jul 20 23:12:01 CEST 2009
> Atmel DataFlashes by default operate with pages with 1056 byte pages. They
> also have a "power of 2" mode where the pages are 1024 bytes in size.
Page size is not always 1056/1024 bytes, it is depended on total memory
size.
> + if (flash_set_pow2(slave)) {
> + puts("setting pow2 mode failed\n");
> + goto done;
> + }
> +
> + puts("OK!\n");
> +
> + done:
> + spi_release_bus(slave);
> + spi_free_slave(slave);
> + }
> +}
DafaFlash documentation says that "The device must be power cycled after
the completion of the program cycle to set the power of 2 page size", so
it would be good to print that information at the end of programming.
Regards,
Andrzej Wolski
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