...and the select_bbs.sh script. I need more coffee.
On Mon, Jan 31, 2011 at 3:54 PM, David Hendricks <[email protected]>wrote: > argh! of course I forgot to actually attach the patch. Here we go again: > > > On Mon, Jan 31, 2011 at 3:53 PM, David Hendricks <[email protected]>wrote: > >> A few months ago, ITE open sourced the initial IT8500 EC patch on this >> mailing list ( >> http://www.flashrom.org/pipermail/flashrom/2010-August/004382.html) so >> that we could check it in to the Chromium OS branch. It didn't quite make it >> upstream, and has been updated since then. >> >> The attached patch basically does the same thing and has been deployed and >> tested to work on the Cr-48. There are a few caveats, though: >> - The boot BIOS straps register must be modified to select LPC. This can >> be done with the attached "select_bbs.sh" script (Install iotools ( >> http://code.google.com/p/iotools/) before using select_bbs). We worked >> around this in the Chromium OS branch by adding a bus argument to the >> programmer option, ie "flashrom -p internal:bus=lpc". >> >> - It is very important to disable power management daemons before running >> Flashrom on this EC. I commented out the brute force method we use in the >> Chromium OS branch that disables powerd, since IIRC Carl-Daniel has a better >> approach in the works. >> >> - Due to dependencies which may be introduced by the OEM/ODM EC firmware, >> the code is not guaranteed to work for anything other than the Cr-48. >> >> - Carl-Daniel pointed out that the code might ignore the result of it87 >> init code. I've attempted to mitigate this in the patch (see internal.c), >> but I think it's just the symptom of a larger problem with how we detect and >> initialize IO bridges, and should probably be dealt with in a separate >> patch. >> >> *Here is the text from the original patch submission: >> The attached patch adds generalized support for IT8500/IT8502 embedded >> controllers. >> The patch was developed by Google for Flashrom r1082, but applies cleanly >> against r1130. >> It was tested for IT8500E on a Chrome OS platform and may require >> modification >> depending on ODM/OEM customization and EC firmware version. >> >> This patch is not officially supported by ITE Tech Inc.* >> >> Signed-off-by: David Hendricks <[email protected]> >> (The original patch also included a sign-off from Yung-chieh Lo @ Google >> and Donald Huang @ ITE). >> >> -- >> David Hendricks (dhendrix) >> Systems Software Engineer, Google Inc. >> > > > Signed-off-by: David Hendricks <[email protected]> > > -- > David Hendricks (dhendrix) > Systems Software Engineer, Google Inc. > Signed-off-by: David Hendricks <[email protected]> -- David Hendricks (dhendrix) Systems Software Engineer, Google Inc.
select_bbs.sh
Description: Bourne shell script
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