[coldfire-gnu-discuss] MCF51QE128 flash protection

Maxim Kuvyrkov maxim at codesourcery.com
Wed Jul 8 16:32:10 UTC 2009


Sergei wrote:
> Hi Thierry,
> 
> You might not need to wait for new release.
> Try to modify linker file to reserve 24 bytes right after end of vector 
> table (addr 0x400).
> To do this I use following (for MCF52235):
>    LONG (0x01234567)
>    LONG (0x89abcdef)
>    LONG (0xffffffff)
>    LONG (0x00000000)
>    LONG (0x00000000)
>    LONG (0xffffffff)

Note, ColdFire V1 microcontrollers use different layout of CFM keys from 
the V2 devices.  You need to check the reference manual for the proper 
values.

--
Maxim



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