[Bug 1001561] Internal flash driver for Freescale TWR-K60N512 board

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--- Comment #45 from Jonathan Larmour <jifl@ecoscentric.com> 2012-09-25 17:22:42 BST ---
Hi Ilija,

After my summer holidays, I've been exceptionally busy for various reasons,
sorry about that. But before you commit here...

There's no way to disable the flash driver. Once you add CYGPKG_IO_FLASH this
driver will be present even if you don't want to use it, e.g. to only support
off-chip flash. Not impossible if you want to keep on-chip flash for your
program and off-chip for data (e.g. flash filesystem).

I assume you are happy leaving the flash configuration area unprotected for
now?

We could temporarily do something crude and specifically check for the
0x400-0x40f addresses and have a CDL option (default on) which refuses to
program that area. Someone would have to disable the CDL option to program
them. Not as sophisticated as what I suggested first of all, but perhaps a
safety net?

Jifl

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