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2014-02-15coreboot: infrastructure for different ramstage loadersAaron Durbin
There are 2 methods currently available in coreboot to load ramstage from romstage: cbfs and vboot. The vboot path had to be explicitly enabled and code needed to be added to each chipset to support both. Additionally, many of the paths were duplicated between the two. An additional complication is the presence of having a relocatable ramstage which creates another path with duplication. To rectify this situation provide a common API through the use of a callback to load the ramstage. The rest of the existing logic to handle all the various cases is put in a common place. Change-Id: I5268ce70686cc0d121161a775c3a86ea38a4d8ae Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5087 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-02-15x86: provide stage_exit() like armAaron Durbin
The arm architectures have a stage_exit() function which takes a void * pointer as an entry point. Provide the same API for x86. This can make the booting paths less architecture-specific. Change-Id: I4ecfbf32f38f2e3817381b63e1f97e92654c5f97 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5086 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-30chromeos: provide option to identify reference code blobAaron Durbin
Certain platforms need to have reference code packaged and verified through vboot. Therefore, add this option. BUG=chrome-os-partner:22867 BRANCH=None TEST=Built. Change-Id: Iea4b96bcf334289edbc872a253614bb1bebe196a Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/180025 Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/5022 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins)
2014-01-30vboot: provide empty vboot_verify_firmware()Aaron Durbin
In the case of CONFIG_VBOOT_VERIFY_FIRMWARE not being selected allow for calling vboot_verify_firmware() with an empty implementation. This allows for one not to clutter the source with ifdefs. BUG=chrome-os-partner:23249 BRANCH=None TEST=Built with a !CONFIG_VBOOT_VERIFY_FIRMWARE and non-guarded call to vboot_verify_firmware(). Change-Id: I72af717ede3c5d1db2a1f8e586fefcca82b191d5 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/172711 Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/4879 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-01-30VBOOT: Set virtual recovery switch based on EC Software SyncDuncan Laurie
The Virtual Recovery switch flag needs to be set in coreboot since it is passed through directly to VBOOT layer by depthcharge. Rather than add a new config option we can assume that devices with EC Software Sync also have a virtual recovery switch and set the flag appropriately. BUG=chrome-os-partner:25250 BRANCH=all TEST=build and boot on rambi, successfully enter developer mode Change-Id: Id067eacbc48bc25a86887bce8395fa3a9b85e9f2 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/183672 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5061 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-01-28rmodule: consolidate rmodule stage loadingAaron Durbin
There are 3 places rmodule stages are loaded in the existing code: cbfs and 2 in vboot_wrapper. Much of the code is the same except for a few different cbmem entry ids. Instead provide a common implementation in the rmodule library itself. A structure named rmod_stage_load is introduced to manage the inputs and outputs from the new API. BUG=chrome-os-partner:22866 BRANCH=None TEST=Built and booted successfully. Change-Id: I146055005557e04164e95de4aae8a2bde8713131 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/174425 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4897 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
2014-01-28chromeos: include stddef to fix compilation errorAaron Durbin
As some of the standard definitions were shuffled around chromeos started failing to build. Correct this. Change-Id: I9927441ccb2d646e8b3395e6e9f8e8166de74ab0 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4844 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-01-12CBFS: use cbfs_get_file_content whenever possible rather than cbfs_get_fileVladimir Serbinenko
Number one reason to use cbfs_get_file was to get file length. With previous patch no more need for this. Change-Id: I330dda914d800c991757c5967b11963276ba9e00 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/4674 Reviewed-by: Patrick Georgi <patrick@georgi-clan.de> Tested-by: build bot (Jenkins)
2014-01-12lib/cbfs_core.c: Supply size of file as well in cbfs_get_file_contentVladimir Serbinenko
Change-Id: I5b93e5321e470f19ad22ca2cfdb1ebf3b340b252 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/4659 Reviewed-by: Patrick Georgi <patrick@georgi-clan.de> Tested-by: build bot (Jenkins)
2013-12-21chromeos: Check for recovery reason code in shared dataDuncan Laurie
When using RW firmware path the proper recovery reason can be retrieved from the shared data region. This will result in the actual reason being logged instead of the default "recovery button pressed" reason. 1) build and boot on falco 2) crossystem recovery_request=193 3) reboot into recovery mode, check reason with <TAB> 4) reboot back into chromeos 5) check event log entry for previous recovery mode: 25 | 2013-07-15 10:34:23 | Chrome OS Recovery Mode | Test from User Mode Change-Id: I6f9dfed501f06881e9cf4392724ad28b97521305 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/61906 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4368 Reviewed-by: Patrick Georgi <patrick@georgi-clan.de> Tested-by: build bot (Jenkins)
2013-12-03vboot: use out_flags to indicate recovery modeDuncan Laurie
In order to make the proper decision on loading the option rom or not the recovery mode setting needs to be known. Normally this is detected by asking the EC, but if recovery is requested with crossystem then the EC does not know about it. Instead we need to check the output flags from VbInit(). Change-Id: I09358e6fd979b4af6b37a13115ac34db3d98b09d Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/57474 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4223 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins)
2013-12-03vboot: Do not pass OPROM_MATTERS flag to VbInitDuncan Laurie
Since we are using VBNV to determine if developer mode is active we do not need the messy OPROM hook magic any longer. Change-Id: I1b9effef3ef2aa84e916060d8e61ee42515a2b7c Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/57473 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4222 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-12-02Add option to disable ChromeOSKyösti Mälkki
Those building Chromebook firmware from coreboot git might be more interested in building without ChromeOS extras. Change-Id: I2f176d059fd45bf4eb02cc0f3f1dcc353095d0ce Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/3977 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2013-12-02vboot: use out_flags to indicate dev modeAaron Durbin
In order to make the proper decision on loading the option rom or not the developer mode setting needs to be known. Under early firmware selection it is possible to know the state of developer mode by a flag in out flags. Use this flag when early firmware selection is being employed to determine if developer mode is enabled or not. Change-Id: I9c226d368e92ddf8f14ce4dcde00da144de2a5f3 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/57380 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4218 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2013-11-25slippy: Minor vboot related fixesDuncan Laurie
- Disable EC software sync for now - Report correct EC active firmware mode - Force enable developer mode by default - Set up PCH generic decode regions in romstage - Pass the oprom_is_loaded flag into vboot handoff data Change-Id: Ib7ab35e6897c19455cbeecba88160ae830ea7984 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/51155 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4169 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-11-24Honor vboot's request to load the VGA option ROMBill Richardson
This removes an earlier patch that caused the VGA option ROM to be loaded by coreboot even in normal mode when it isn't needed. Change-Id: Ie0a331a10fff212a2394e7234a0dbb37570607b7 Signed-off-by: Bill Richardson <wfrichar@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/48173 Commit-Queue: Stefan Reinauer <reinauer@google.com> Reviewed-by: Stefan Reinauer <reinauer@google.com> Tested-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/4125 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-11-24Fix compile error in chromeos by adding stddef.hDuncan Laurie
Compile was failing with the following error: In file included from src/vendorcode/google/chromeos/vboot_handoff.h:22:0, from src/vendorcode/google/chromeos/chromeos.c:22: vboot_reference/firmware/include/vboot_api.h:388:18: error: unknown type name 'size_t' src/vendorcode/google/chromeos/chromeos.c: In function 'vboot_get_payload': src/vendorcode/google/chromeos/chromeos.c:50:23: error: 'NULL' undeclared (first use in this function) Change-Id: I13f9e41ef6a4151dc65a49eacfa0574083f72978 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/48289 Reviewed-on: http://review.coreboot.org/4131 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-10-13Rename cpu/x86/car.h to arch/early_variables.hStefan Reinauer
and add an ARMv7 version. Change-Id: I14fbff88d7c2b003dde57a19bf0ba9640d322156 Signed-off-by: Stefan Reinauer <reinauer@google.com> [km: rebased fa004acf8 from chromium git] Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/3939 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins)
2013-08-16Correct spelling of shadow, setting and memoryPaul Menzel
Change-Id: Ic7d793754a8b59623b49b7a88c09b5c6b6ef2cf0 Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: http://review.coreboot.org/3768 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2013-08-15CBFS: Change the signature of cbfs_decompress.Gabe Black
Instead of returning 0 on success and -1 on error, return the decompressed size of the data on success and 0 on error. The decompressed size is useful information to have that was being thrown away in that function. Change-Id: If787201aa61456b1e47feaf3a0071c753fa299a3 Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3578 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2013-05-16chromeos: use cache-as-ram migration API for vbnvAaron Durbin
It's possible that the vbnv global variables may be accessed in romstage after cache-as-ram is torn down. Therefore use the cache-as-ram migration API. Wrappers were written to wrap the API to keep the existing code as close as possible. Change-Id: Ia1d8932f98e00def0a44444a1ead0018a59d3d98 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/3234 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-05-14EXYNOS5250/SNOW: fix the build script. Add a script to get the bl1.Ronald G. Minnich
build-snow got broken when the snow makefile improved. So fix it. While we're at it, create a script like the update-microcode scripts that gets the bl1. I thought about making this a common script but the various names and paths always evolve, leaving me thinking it's not worth it. This script is just a piece of the snow build script. Change-Id: I65c0f8697a978c62fe12533c4f0152d14dbaefda Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: http://review.coreboot.org/3238 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
2013-04-20Eliminate use of pointers in coreboot tableStefan Reinauer
Because pointers can be 32bit or 64bit big, using them in the coreboot table requires the OS and the firmware to operate in the same mode which is not always the case. Hence, use 64bit for all pointers stored in the coreboot table. Guess we'll have to fix this up once we port to the first 128bit machines. Change-Id: I46fc1dad530e5230986f7aa5740595428ede4f93 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/3115 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
2013-04-01chromeos: honor MOCK_TPM=1Aaron Durbin
The TPM code wasn't previously honoring MOCK_TPM=1. Because of this, boards with TPMs that didn't handle S3 resume properly would cause a hard reset. Allow one to build with MOCK_TPM=1 on the command line so that S3 can still work. Change-Id: I9adf06647de285c0b0a3203d8897be90d7783a1e Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2976 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-03-29chromeos: remove CACHE_ROM automatic selectionAaron Durbin
It's not appropriate for the chromeos Kconfig to automatically select CACHE_ROM. The reason is that enabling CACHE_ROM is dependent on the board and chipset atrributes. Change-Id: I47429f1cceefd40226c4b943215d627a3c869c7b Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2921 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-03-23vboot module: fix compilation issuesAaron Durbin
There were 3 things stopping the vboot module from being compiled: 1. The vboot_reference code removed in the firmware/arch/$(ARCH)/include directory. This caused romcc to fail because romcc fails if -I<dir> points to non-existent directory. 2. The rmodule API does not have the no-clearing-of-bss variant of the load function. 3. cbfs API changes. Change-Id: I1e1296c71c5831d56fc9acfaa578c84a948b4ced Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2881 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-03-22Unify coreboot table generationStefan Reinauer
coreboot tables are, unlike general system tables, a platform independent concept. Hence, use the same code for coreboot table generation on all platforms. lib/coreboot_tables.c is based on the x86 version of the file, because some important fixes were missed on the ARMv7 version lately. Change-Id: Icc38baf609f10536a320d21ac64408bef44bb77d Signed-off-by: Stefan Reinauer <reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/2863 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-by: Aaron Durbin <adurbin@google.com> Tested-by: build bot (Jenkins)
2013-03-22vboot: pass correct coreboot include pathsAaron Durbin
The coreboot include were not being passed correctly when building vboot_reference. The paths being included were of the src/<dir> form. However, vboot_reference lives in src/../vboot_reference. That coupled with the recursive make call made vboot_reference not see coreboot's header files. Fix this by appending ../ to coreboot's default include paths. Change-Id: I73949c6f854ecfce77ac36bb995918d51f91445e Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2860 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-03-22coreboot: add vboot_handoff to coreboot tablesAaron Durbin
The vboot_handoff structure contians the VbInitParams as well as the shared vboot data. In order for the boot loader to find it, the structure address and size needs to be obtained from the coreboot tables. Change-Id: I6573d479009ccbf373a7325f861bebe8dc9f5cf8 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2857 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-03-22romstage: add support for vboot firmware selectionAaron Durbin
This patch implements support for vboot firmware selection. The vboot support is comprised of the following pieces: 1. vboot_loader.c - this file contains the entry point, vboot_verify_firmware(), for romstage to call in order to perform vboot selection. The loader sets up all the data for the wrapper to use. 2. vboot_wrapper.c - this file contains the implementation calling the vboot API. It calls VbInit() and VbSelectFirmware() with the data supplied by the loader. The vboot wrapper is compiled and linked as an rmodule and placed in cbfs as 'fallback/vboot'. It's loaded into memory and relocated just like the way ramstage would be. After being loaded the loader calls into wrapper. When the wrapper sees that a given piece of firmware has been selected it parses firmware component information for a predetermined number of components. Vboot result information is passed to downstream users by way of the vboot_handoff structure. This structure lives in cbmem and contains the shared data, selected firmware, VbInitParams, and parsed firwmare components. During ramstage there are only 2 changes: 1. Copy the shared vboot data from vboot_handoff to the chromeos acpi table. 2. If a firmware selection was made in romstage the boot loader component is used for the payload. Noteable Information: - no vboot path for S3. - assumes that all RW firmware contains a book keeping header for the components that comprise the signed firmware area. - As sanity check there is a limit to the number of firmware components contained in a signed firmware area. That's so that an errant value doesn't cause the size calculation to erroneously read memory it shouldn't. - RO normal path isn't supported. It's assumed that firmware will always load the verified RW on all boots but recovery. - If vboot requests memory to be cleared it is assumed that the boot loader will take care of that by looking at the out flags in VbInitParams. Built and booted. Noted firmware select worked on an image with RW firmware support. Also checked that recovery mode worked as well by choosing the RO path. Change-Id: I45de725c44ee5b766f866692a20881c42ee11fa8 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2854 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-03-16google/snow: rename a file so that it is clear what board it is forRonald G. Minnich
One might wonder what a board named 'build' does. Rename the file to build-snow. The fact that it is in a directory with google in the name should be enough to identify the vendor. Change-Id: I0b473cdce67d56fc6b92032b55180523eb337d66 Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: http://review.coreboot.org/2766 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
2013-02-25google/snow: enable GPIO entries and CHROMEOS in buildingRonald G. Minnich
These were not separable or it would have been two CLs. Enable CHROMEOS configure option on snow. Write gpio support code for the mainboard. Right now the GPIO just returns hard-wired values for "virtual" GPIOs. Add a chromeos.c file for snow, needed to build. This is tested and creates gpio table entries that our hardware can use. Lots still missing but we can now start to fill in the blanks, since we have enabled CHROMEOS for this board. We are getting further into the process of actually booting a real kernel. Change-Id: I5fdc68b0b76f9b2172271e991e11bef16f5adb27 Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: http://review.coreboot.org/2467 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-02-11snow: make build script erase 192KB instead of 128KBDavid Hendricks
This will make the build script wipe out more flash memory content. Our image is a bit bigger now that we're testing with payloads, so this is just added paranoia to prevent weird surprises caused by not flashing the full image. Change-Id: I31969922079e96886573d9d802266eb0052277cd Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2352 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-01-12No random directoriesStefan Reinauer
Please, don't just add random directories for a single file because it seems convenient. There already is a chromeos directory, that should be used. Change-Id: I625292cac4cbffe31ff3e3d952b11cd82e4b151e Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/2137 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-11-16Reduce number of per-mainboard changesStefan Reinauer
- Add mainboard_smi.c from arch/x86/Makefile if it's there - Add mainboard's chromeos.c from the chromeos Makefile Change-Id: I3f80e2cb368f88d2a38036895a19f3576dd9553b Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1835 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-11-13cros: Inform U-Boot via fake gpio when VGA Option ROM is loadedBill Richardson
This prepares the way for vboot to inform coreboot when it needs the VGA Option ROM loaded. Coreboot can't always know when it's needed (with keyboard-based dev-mode, coreboot can't tell if we're in dev-mode or not). By the time we get to U-Boot, it's too late, so we need two extra bits - one for vboot to tell coreboot to load the Option ROM and another for coreboot to let vboot know it's been done. This change sets up the communication, but doesn't act on it just yet. Even with this CL we always load the VGA Option ROM, so there's nothing to test. There should be no user-visible change. Change-Id: Ic4e9673a3707b6605064f4879bb3e74d4412322f Signed-off-by: Bill Richardson <wfrichar@chromium.org> Reviewed-on: http://review.coreboot.org/1822 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-11-12vboot: Add option to skip TPM resume on S3 resumeStefan Reinauer
Change-Id: Ie4a98cc8af0dbcf09c7ace79668949ace5938c12 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1752 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-11-12Avoid using hardcoded values in MRC cache codeVadim Bendebury
The MRC cache code, as implemented, in some cases uses configuration settings for MRC cache region, and in some cases - the values read from FMAP. These do not necessarily match, the code should use FMAP across the board. This change also refactors mrccache.c to limit number of iterations through the cache area and number of fmap area searches. Change-Id: Idb9cb70ead4baa3601aa244afc326d5be0d06446 Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: http://review.coreboot.org/1788 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-11-09Change flashmap base to reflect new FMAP in U-bootDuncan Laurie
The RO_FMAP base moved from 0x5f0000 to 0x610000. Also update Kconfig default and add a descripton so the default can be changed by boards. Change-Id: I0caad0ce6e6f19750dbbf042a5a489b558f62b96 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/1705 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marcj303@gmail.com>
2012-11-08ELOG: Find flash base in FMAP if possibleDuncan Laurie
Now that we have FMAP support in coreboot use it to find the offset in flash for ELOG to use. If coreboot has elog configured with a smaller size then use that over the FMAP size. This is because I set aside a 16KB region in the FMAP but we only use 4KB of it to keep the impact to boot/resume speed to a minimum. FMAP: Found "FMAP" version 1.0 at ffe10000. FMAP: base = 0 size = 800000 #areas = 32 FMAP: area RW_ELOG found FMAP: offset: 3f0000 FMAP: size: 16384 bytes FMAP: No valid base address, using 0xff800000 ELOG: base=0x003f0000 base_ptr=0xffbf0000 ELOG: MEM @0x00190ad8 FLASH @0xffbf0000 ELOG: areas are 4096 bytes, full threshold 3072, shrink size 1024 Change-Id: I3d826812c0f259d61f41b42797c58dd179f9f1c8 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/1706 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-11-07SandyBridge/IvyBridge: Use flash map to find MRC cacheStefan Reinauer
Until now, the MRC cache position and size was hard coded in Kconfig. However, on ChromeOS devices, it should be determined by reading the FMAP. This patch provides a minimalistic FMAP parser (libflashmap was too complex and OS centered) to allow reading the in-ROM flash map and look for sections. This will also be needed on some partner devices where coreboot will have to find the VPD in order to set up the device's mac address correctly. The MRC cache implementation demonstrates how to use the FMAP parser. Change-Id: I34964b72587443a6ca4f27407d778af8728565f8 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1701 Reviewed-by: Marc Jones <marcj303@gmail.com> Tested-by: build bot (Jenkins)
2012-07-26ELOG: Fix reporting of developer/recovery modesDuncan Laurie
Recent changes in EC/Vboot/U-boot have completely broken the logging of developer and recovery modes. Recovery mode may not be in VBNV, so if that is zero and yet we are in recovery mode then assume it is there because the button/key was pressed. Since there may not be any actual developer mode switch we look if option rom is loaded and the system is not in recovery mode and consider that as developer mode. Change-Id: I70104877b24de477217e1ff5b3a019aef22343ec Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/1346 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-07-25ELOG: Log events for Chrome OS developer/recovery modeDuncan Laurie
If a Chrome OS device is in developer mode log an event. When the device is in recovery mode also log an event and provide the recovery reason. Enable developer mode and trigger recovery mode and verify that the events are logged: 238 | 2012-06-23 17:31:56 | Chrome OS Developer Mode 239 | 2012-06-23 17:31:56 | Chrome OS Recovery Mode | User Requested from Developer Screen Change-Id: I14d41f44e04fd91340569617c7314da7e35a154f Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/1321 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-07-25chromeos: Pass pointer to ChromeOS ACPI structure instead of VB Shared DataStefan Reinauer
coreboot used to pass some information to u-boot in the coreboot table and other information in a modified flat device tree. Since the FDT code was never upstreamed and removed from our tree, u-boot was changed to get the information it needs from the coreboot table alone. However, in the process of this change only the vboot shared data structure was passed on by coreboot, so when u-boot tried to update the ChromeOS specific ACPI entries, it would accidently overwrite the vboot data. This patch passes on the ChromeOS specific ACPI data structure instead of the vboot shared data. Another change to u-boot will teach it how to get to the vboot shared data from there. Change-Id: Ifbb64eafc0d9967887b4cdeebf97d0c4ce019290 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1282 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2012-07-24Move GGL0001 ACPI code to generic ChromeOS codeStefan Reinauer
The only difference in this code on all our platforms is the array describing the GPIOs. Hence, only keep that array in the mainboard ChromeOS directory and move everything else to generic ChromeOS ACPI code. Change-Id: I9fc75842af64530c1255bea1c5f803c5316d6da6 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1278 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2012-05-29ChromeOS: Remove remnants of FDT supportStefan Reinauer
Originally, on ChromeBooks, coreboot would provide a modified u-boot device tree (FDT) to u-boot in CBMEM. However, u-boot can now create all the information it needs from the coreboot table and add it to its device tree itself. This means we can drop this (anyways unused) code. Change-Id: I4ab20bbb8525e7349b18764aa202bbe81958d06a Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1052 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2012-04-27ChromeOS: add missing string.h in gnvs.cStefan Reinauer
string.h is required to build with the reference toolchain. Change-Id: I9fd8d2ea8fc676d3502989cbcc7aefe3b2d738b6 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/935 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-04-04Don't unconditionally show ChromeOS optionsStefan Reinauer
Google ChromeOS specific options were shown in the main menu unconditionally, even on non-ChromeOS devices. Instead, hide these options unless CONFIG_CHROMEOS is set, and also put them in a separate menu. Change-Id: I75f533ed5046d6df4f7d959a0ca4c2441340ef2f Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/848 Reviewed-by: Martin Roth <martin@se-eng.com> Tested-by: build bot (Jenkins) Reviewed-by: Mathias Krause <minipli@googlemail.com>
2012-04-02Add Google ChromeOS vendor supportStefan Reinauer
Google's ChromeOS can be booted super fast and safely using coreboot. This adds the ChromeOS specific code that is required by all ChromeBooks to do this. Change-Id: Ic03ff090a569a27acbd798ce1e5f89a34897a2f2 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/817 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-03-30Add TPM support to corebootStefan Reinauer
and initialize the TPM on S3 resume This patch integrates the TPM driver and runs TPM resume upon an ACPI S3 resume without including any other parts of vboot. We could link against vboot_fw.a but it is compiled with u-boot's CFLAGS (that are incompatible with coreboot's) and it does a lot more than we want it to do. Change-Id: I000d4322ef313e931e23c56defaa17e3a4d7f8cf Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/731 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2012-03-30Add Google ChromeOS vendorcode directoryStefan Reinauer
... and hook it up in Kconfig. More code to come. Change-Id: I24542d8ef97e2bce112c3aface681ceeb1a7c061 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/813 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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