[ECOS] Flash erase bugfix disabled by default for AT91?

Øyvind Harboe oyvind.harboe@zylin.com
Thu Nov 11 11:16:00 GMT 2004


On Thu, 2004-11-11 at 11:45, Andrew Lunn wrote:
> On Thu, Nov 11, 2004 at 11:10:44AM +0100, ?yvind Harboe wrote:
> > If there is confidence that this
> > CYGHWR_DEVS_FLASH_ATMEL_AT49XXXX_ERASE_BUG_WORKAROUND is implemented
> > correctly, then surely 1 would be the sensible default?
> 
> Nope. Read the pdf on ATMELs web site. This problem applies to the
> AT91FR40162 which is an ARM7TDMI with an embedded FLASH. Other devices
> in the AT49XXXX family are not affected. 

The AT91FR40162 comes with the AT49BV1604A/1614A, right?

The bugfix could be default for this case.

CYGHWR_DEVS_FLASH_ATMEL_AT49BV1604A
CYGHWR_DEVS_FLASH_ATMEL_AT49BV1614A


> The bug workaround adds
> significant overhead which other devices do not need. So the correct
> default is 0 and any HAL targeted to this processor can then enable
> the workaround using a CDL requires statement.
> 
>         Andrew
-- 
Øyvind Harboe
http://www.zylin.com



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