[U-Boot] [PATCH] x86: Correct Minnowboard instructions to use the right descriptor

[Tom Rini]

On Mon, Apr 27, 2015 at 02:52:49PM -0600, Simon Glass wrote:
> Hi Tom,
> 
> On 25 April 2015 at 11:54, Tom Rini <trini at konsulko.com> wrote:
> > On Sat, Apr 25, 2015 at 11:46:43AM -0600, Simon Glass wrote:
> >> The descriptor provided with the FSP does not seem to work. Update the
> >> instructions to use the descriptor from the original Intel firmware.
> >>
> >> Signed-off-by: Simon Glass <sjg at chromium.org>
> >> ---
> >>
> >>  doc/README.x86 | 23 ++++++++++++++++++++---
> >>  1 file changed, 20 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/doc/README.x86 b/doc/README.x86
> >> index 0355d1c..fe31f3d 100644
> >> --- a/doc/README.x86
> >> +++ b/doc/README.x86
> >> @@ -127,15 +127,32 @@ board/intel/minnowmax/fsp.bin
> >>  Obtain the VGA RAM (Vga.dat at the time of writing) and put it into the same
> >>  directory: board/intel/minnowmax/vga.bin
> >>
> >> -You still need two more binary blobs. These come from the sample SPI image
> >> -provided in the FSP (SPI.bin at the time of writing).
> >> +You still need two more binary blobs. The first comes from the original
> >> +firmware image available from:
> >> +
> >> +http://firmware.intel.com/sites/default/files/2014-WW42.4-MinnowBoardMax.73-64-bit.bin_Release.zip
> >> +
> >> +Unzip it:
> >> +
> >> +   $ unzip 2014-WW42.4-MinnowBoardMax.73-64-bit.bin_Release.zip
> >>
> >>  Use ifdtool in the U-Boot tools directory to extract the images from that
> >>  file, for example:
> >>
> >> +   $ ./tools/ifdtool -x MNW2MAX1.X64.0073.R02.1409160934.bin
> >> +
> >> +This will provide the descriptor file - copy this into the correct place:
> >> +
> >> +   $ cp flashregion_0_flashdescriptor.bin board/intel/minnowmax/descriptor.bin
> >> +
> >> +Then do the same with the sample SPI image provided in the FSP (SPI.bin at
> >> +the time of writing) to obtain the last image. Note that this will also
> >> +produce a flash descriptor file, but it does not seem to work, probably
> >> +because it is not designed for the Minnowmax. That is why you need to get
> >> +the flash descriptor from the original firmware as above.
> >> +
> >>     $ ./tools/ifdtool -x BayleyBay/SPI.bin
> >>     $ cp flashregion_2_intel_me.bin board/intel/minnowmax/me.bin
> >> -   $ cp flashregion_0_flashdescriptor.bin board/intel/minnowmax/descriptor.bin
> >>
> >>  Now you can build U-Boot and obtain u-boot.rom
> >
> > + Then you ... to flash u-boot.rom
> >
> > ? :)  Thanks!
> 
> There are some notes at the end about using a SPI emulator - em100.

I guess it reads well enough, reading it all again.

> Should I add something for another SPI tool also? What type of SPI
> programmer do you have?

Ahem, I need to work on something there :)

-- 
Tom
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