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This patch adds support for a new SPI programmer, based on the FT2232H/4232H chip from FTDI

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FTDI support is autodetected during compilation.

Paul writes:
There are certainly possible improvements: The code has hard-coded
values for which interface of the ftdi chip to use (interface B was
chosen because libftdi seems to have trouble with A right now), what
clock rate use for the SPI interface (I've been running at 30Mhz, but
the patch sets it to 10Mhz), and possibly others. I think this means
that per-programmer options might be a good idea at some point.

Carl-Daniel writes:
There is one additional FIXME comment in the code, but AFAICS that
problem is not solvable with current libftdi.

Corresponding to flashrom svn r598.

Signed-off-by: Paul Fox <pgf@laptop.org>
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
This commit is contained in:
Paul Fox
2009-06-16 21:08:06 +00:00
committed by Carl-Daniel Hailfinger
parent 4cb7a96153
commit 05dfbe67d6
6 changed files with 349 additions and 9 deletions
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2
flashrom.8
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@ -136,6 +136,8 @@ Specify the programmer device. Currently supported are:
.sp
.BR "* it87spi" " (for flash ROMs behind an ITE IT87xx Super I/O LPC/SPI translation unit)"
.sp
.BR "* ft2232spi" " (for flash ROMs attached to a FT2232H/FT4232H based USB SPI programmer)"
.sp
The dummy programmer has an optional parameter specifying the bus types it
should support. For that you have to use the
.B "flashrom -p dummy=type"