[coreboot] flashrom: Add support for AMIC Technology A49LF040A and do not probe W29EE011 anymore

[Ward Vandewege]

On Wed, Jun 18, 2008 at 06:28:26AM +0200, Peter Stuge wrote:
> On Tue, Jun 17, 2008 at 10:25:15PM -0400, Ward Vandewege wrote:
> > This patch disables default probing for the Winbond W29EE011, because
> > its (unusual) probe sequence puts the AMIC A49LF040A in a funky state.
> 
> Ok! I put together these patches and also found that the Pm49FL
> functions work for this chip.
> 
> 
> //Peter
> 
> 
> !DSPAM:4858af3c32361804284693!

> flashrom: Add support for AMIC Technology A49LF040A and do not probe W29EE011 anymore
> 
> Jens sent the first patch that added A49LF040A to flash.h and flashchips.c
> using _jedec and _49lf040 functions.
> 
> An issue was found with probe_w29ee011() for the Winbond W29EE011, which
> caused the A49LF040A to no longer respond to any commands.
> 
> Ward made a patch to disable probing by default for the W29EE011 following
> some discussion. Using -c W29EE011 will make flashrom probe for the chip.
> 
> Peter did some more datasheet diving and found that the Pm49FL00x functions
> suited this chip quite well because of the block locking registers in
> A49LF040A, and finally tested PROBE READ ERASE WRITE to work on ALIX.3c3.
> 
> Signed-off-by: Jens Kuehnel <coreboot at jens.kuehnel.org>
> Signed-off-by: Ward Vandewege <ward at gnu.org>
> Signed-off-by: Peter Stuge <peter at stuge.se>

Excellent - confirmed to work on alix.2c3.

Acked-by: Ward Vandewege <ward at gnu.org>

Thanks,
Ward.

-- 
Ward Vandewege <ward at fsf.org>
Free Software Foundation - Senior System Administrator