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Re: FLASH configuration checksum error


Warren Jasper wrote:
> 
> I am using a StrongARM SA1110 CPU with tow (2) 28F640J3A Flash
> chips. I think the hardware for our development board is
> not addressing the chip correctly, since I can only see
> half of the FLASH.  To fix this problem, I set CYGNUM_FLASH_BASE_MASK =
> 0xFF800000
> instead of 0xFE000000.  This works great.  I get the following messages:
> 
> FLASH: Oversized device! End addr 0x09000000 changed to 0x08800000
> FLASH configuration checksum error or invalid key
> 
> RAM: 0x00000000-0x01000000, 0x0000dc88-00fbf000 available
> FLASH: 0x08000000 - 0x08800000, 32 blocks of 0x00040000 bytes each.
> 
> Which is correct since I can only see half of the flash.  My question is
> how to get rid of the line
> 
> FLASH configuration checksum error or invalid key
> 
> I tried to run flconfig -i but that does not get rid of the problem.
> 
> Any suggestions?  I could ignore it, but I wanted to know how to set the
> checksum correctly.

The flash configuration block is set near the end of flash. There's
probably something in the code which is still trying to write to the half
of the flash you don't have.

Jifl
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