Doc/nb/intel/haswell: Mention util/chromeos as a way to get mrc.bin
Change-Id: Ic099d0f052db5ef6a699d54b26028bae2fae4770 Signed-off-by: Tristan Corrick <tristan@corrick.kiwi> Reviewed-on: https://review.coreboot.org/c/30546 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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@ -14,12 +14,13 @@ much desired, but it is not an easy task.
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Unfortunately, it is not currently possible to distribute `mrc.bin` as
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part of coreboot. Though, it can be obtained from a Haswell Chromebook
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or Chromebox firmware image, and you might find one online. `mrc.bin`
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can be extracted with the following command. If extracting from a
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"standard" coreboot image, omit `-r RO_SECTION`.
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firmware image like so, starting in the root of the coreboot directory:
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```bash
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cbfstool coreboot.rom extract -f mrc.bin -n mrc.bin -r RO_SECTION
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make -C util/cbfstool
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cd util/chromeos
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./crosfirmware.sh peppy
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../cbfstool/cbfstool coreboot-*.bin extract -f mrc.bin -n mrc.bin -r RO_SECTION
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```
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Now, place `mrc.bin` in the root of the coreboot directory.
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