[U-Boot-Users] [PATCH] cfi_flash.c patches

[Yuli Barcohen]

>>>>> Wolfgang Denk writes:

...

    Wolfgang> Because in the general case (and this is what cfi_flash is
    Wolfgang> used for) you don't expect to have any hardware protected
    Wolfgang> sectors. Not in U-Boot, and neither in Linux when you for
    Wolfgang> example want to use these for a writable MTD partition.

    Brian> In the general case, if I lock my FLASH to protect a Linux
    Brian> kernel I have there I have explicitly locked that region and
    Brian> I do not expect anyone to unlock it for me.

    Wolfgang> This requires that your flash chips supports hardware
    Wolfgang> locking in the first place, which is not ger=nerally the
    Wolfgang> case, so your "general case" is not so much general.

...

Every Intel-compatible chip supports hardware locking while no
AMD-compatible does. So, for AMD you don't need any special code to have
the flash in writable state and for Intel, "general case" is explained
above.

-- 
========================================================================
 Yuli Barcohen       | Phone +972-9-765-1788 |  Software Project Leader
 yuli at arabellasw.com | Fax   +972-9-765-7494 | Arabella Software, Israel
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