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* x86: ifdtool: Allow creation of an empty ROMSimon Glass2014-11-21-1/+1
| | | | | | | Allow an empty ROM to be created, without needing to provide a descriptor. The descriptor is not needed on some x86 boards. Signed-off-by: Simon Glass <sjg@chromium.org>
* x86: Add ifdtool for working with Intel Flash Descriptor ROM imagesSimon Glass2014-11-21-0/+1039
Newer Intel chips require a Management Engine which requires a particular format for the SPI flash that contains the boot loader. Add a tool that supports creating and modifying these ROM images. This tool is from Chrome OS but has been cleaned up to use U-Boot style and to add comments. A few features have been added also. Signed-off-by: Simon Glass <sjg@chromium.org>