On Mon, Apr 27, 2015 at 02:52:49PM -0600, Simon Glass wrote: > Hi Tom, > > On 25 April 2015 at 11:54, Tom Rini <tr...@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 <s...@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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