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

[Tom Rini]

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!

-- 
Tom
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