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authorDuncan Laurie <dlaurie@chromium.org>2013-06-04 10:03:34 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-07-10 21:44:22 +0200
commit7cced0d20e44c1bbcd0b5d4aced53c682fcd23fc (patch)
treea423cfcfb051acd296a81d277abb1fe827560a3a /COPYING
parent433432b6544fc57c7998a66aaa34c45609e4fc8c (diff)
ec: Add romstage function for checking and rebooting EC
Now that we are executing VbInit() in coreboot we can end up in a situation where the recovery reason is consumed during VbInit (end of romstage) and then the EC is rebooted to RO during ramstage EC init, thereby losing the recovery reason. Two possiblities are to remove the EC check+reboot from ramstage and let it happen in depthcharge. This however means that the system has to boot all the way into depthcharge and then reboot the EC and the system again. Instead if we do a check in romstage before VbInit() is called then we can reboot the EC into RO early and avoid booting all the way to depthcharge first. This change adds a ramstage version the EC init function and calls it from the shared romstage code immediately after the PCH decode windows are setup. Change-Id: I30d2a0c7131b8e4ec30c63eea36944ec111a8fba Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/3744 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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