aboutsummaryrefslogtreecommitdiff
path: root/src/drivers/i2c/tpm
AgeCommit message (Collapse)Author
2016-06-23kconfig: allow various tpm type and interface permutationsVadim Bendebury
Until now it was assumed that all TPM devices were of the same type (TCG 1.2 spec compliant) and x86 based boards had LPC connected TPMs and all other boards had I2C connected TPMs. With the advent of TPM2 specification there is a need to be able to configure different combinations of TPM types (TPM or TPM2) and interfaces (LPC, I2C and SPI). This patch allows to do it. Picking Chrome OS still assumes that the board has a TPM device, but adding MAINBOARD_HAS_TPM2 to the board's Kconfig will trigger including of TPM2 instead. MAINBOARD_HAS_LPC_TPM forces the interface to be set to LPC, adding SPI_TPM to the board config switches interface choice to SPI, and if neither of the two is defined, the interface is assumed to be I2C. BRANCH=none BUG=chrome-os-partner:50645 TEST=verified that none of the generated board configurations change as a result of this patch. With the rest of the stack in place it is possible to configure different combinations of TPM types and interfaces for ARM and x86 boards. Change-Id: I24f2e3ee63636566bf2a867c51ed80a622672f07 Signed-off-by: Martin Roth <martinroth@chromium.org> Original-Commit-Id: 5a25c1070560cd2734519f87dfbf401c135088d1 Original-Change-Id: I659e9301a4a4fe065ca6537ef1fa824a08d36321 Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/349850 Original-Reviewed-by: Martin Roth <martinroth@chromium.org> Reviewed-on: https://review.coreboot.org/15294 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@googlemail.com>
2015-10-31tree: drop last paragraph of GPL copyright headerPatrick Georgi
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2015-09-07Drop "See file CREDITS..." commentStefan Reinauer
coreboot has no CREDITS file. Change-Id: Iaa4686979ba1385b00ad1dbb6ea91e58f5014384 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/11514 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-06-30drivers/i2c/tpm: move tpm driver around a bit more.Patrick Georgi
The many different places to put vboot support in can be confusing. Instead of using libverstage (which isn't enough since those functions are sometimes called outside that, too), mention all stages where it can resides explicitly. Change-Id: Idddb9f5e2ef7bcc273f429d9f432bd37b4573567 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/10728 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-06-30drivers/i2c/tpm: push tpm driver from verstage to libverstagePatrick Georgi
That way it's available wherever the verstage code ends up, bootblock, verstage or romstage. Change-Id: I0665e297f199acd60cff93e1b39812f183115d33 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/10707 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-06-08Remove empty lines at end of fileElyes HAOUAS
Used command line to remove empty lines at end of file: find . -type f -exec sed -i -e :a -e '/^\n*$/{$d;N;};/\n$/ba' {} \; Change-Id: I816ac9666b6dbb7c7e47843672f0d5cc499766a3 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: http://review.coreboot.org/10446 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-05-21Remove address from GPLv2 headersPatrick Georgi
As per discussion with lawyers[tm], it's not a good idea to shorten the license header too much - not for legal reasons but because there are tools that look for them, and giving them a standard pattern simplifies things. However, we got confirmation that we don't have to update every file ever added to coreboot whenever the FSF gets a new lease, but can drop the address instead. util/kconfig is excluded because that's imported code that we may want to synchronize every now and then. $ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *MA[, ]*02110-1301[, ]*USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 59 Temple Place[-, ]*Suite 330, Boston, MA *02111-1307[, ]*USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.:Foundation, Inc.:" {} + $ find * -type f -a \! -name \*.patch \ -a \! -name \*_shipped \ -a \! -name LICENSE_GPL \ -a \! -name LGPL.txt \ -a \! -name COPYING \ -a \! -name DISCLAIMER \ -exec sed -i "/Foundation, Inc./ N;s:Foundation, Inc.* USA\.* *:Foundation, Inc. :;s:Foundation, Inc. $:Foundation, Inc.:" {} + Change-Id: Icc968a5a5f3a5df8d32b940f9cdb35350654bef9 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/9233 Tested-by: build bot (Jenkins) Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
2015-04-30i2c/tpm: add final newlinePatrick Georgi
Change-Id: I0024c4d56f93eb6c9a54103e79c9d8a8b7d8d6fb Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/10043 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2015-04-21Unify byte order macros and clrsetbitsJulius Werner
This patch removes quite a bit of code duplication between cpu_to_le32() and clrsetbits_le32() style macros on the different architectures. This also syncs those macros back up to the new write32(a, v) style IO accessor macros that are now used on ARM and ARM64. CQ-DEPEND=CL:254862 BRANCH=none BUG=chromium:444723 TEST=Compiled Cosmos, Daisy, Blaze, Falco, Pinky, Pit, Rambi, Ryu, Storm and Urara. Booted on Jerry. Tried to compare binary images... unfortunately something about the new macro notation makes the compiler evaluate it more efficiently (not recalculating the address between the read and the write), so this was of limited value. Change-Id: If8ab62912c952d68a67a0f71e82b038732cd1317 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: fd43bf446581bfb84bec4f2ebb56b5de95971c3b Original-Change-Id: I7d301b5bb5ac0db7f5ff39e3adc2b28a1f402a72 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/254866 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/9838 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-04-13tpm: wait for valid bit to be set in TPM access register before using tpmSourabh Banerjee
As per the TCG PC Client TPM Interface Specification v1.2, bit 7 of the access register (tmpRegValiSts bit) stays "0" until the TPM has complete through self test and initialization. This bit is set "1" to indicate that the other bits in the register are valid. BRANCH=chromeos-2013.04 BUG=chrome-os-partner:35328 TEST=Booted up storm p0.2 and whirwind sp3. Verified TPM chip is detected and reported in coreboot logs. Change-Id: I1049139fc155bfd2e1f29e3b8a7b9d2da6360857 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Original-Commit-Id: 006fc93c6308d6f3fa220f00708708aa62cc676c Original-Change-Id: I9df3388ee1ef6e4a9d200d99aea1838963747ecf Original-Signed-off-by: Sourabh Banerjee <sbanerje@codeaurora.org> Original-Reviewed-on: https://chromium-review.googlesource.com/242222 Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Original-Commit-Queue: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: http://review.coreboot.org/9567 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-04-10TPM: Reduce buffer size to fix stack overflowJulius Werner
The TPM driver by default allocates a 4K transfer buffer on the stack, which leads to lots of fun on boards with 2K or 3K stack sizes. On RK3288 this ends up writing over random memory sections which dependent on the memlayout of the day might contain timestamp data (no big deal) or page tables (-> bad time). This patch fixes the problem by reducing the buffer size to slightly above 1K, which still seems to work as far as I can tell. There was already some really odd code that #undef'ed this value and redefined it with the lower number in one .c file (unfortunately not the one with the buffer declaration), with no explanation whatsoever... I'm removing that and just assume the smaller value will be fine for everything. BRANCH=veyron BUG=None TEST=Booted Pinky and Falco. Change-Id: I440a5662b41cbd8b7becab3113262e1140b7f763 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Original-Commit-Id: 3d3288041b6629b7623b9d58816e782e72836b81 Original-Change-Id: Idf80f44cbfb9617c56b64a5c88ebedf7fcb4ec71 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/236976 Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/9481 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-04-10tpm: allow 0 as valid i2c bus numberDaisuke Nojiri
tpm driver uses bus=0 as indication of uninitialized tpm device. this change allows 0 as a valid i2c bus number. BUG=None BRANCH=ToT TEST=Built cosmos. Change-Id: Ie8d285abff11643cc3efc0fa30e4afcc3ca1c0d5 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 493077b68cf46b08f0d1ddfe57bf6064d714d537 Original-Change-Id: Iac55e88db4ef757a292270e7201d8fdd37a90b50 Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/226294 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/9405 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-03-23vboot2: read secdata and nvdataDaisuke Nojiri
This code ports antirollback module and tpm library from platform/vboot_reference. names are modified to conform to coreboot's style. The rollback_index module is split in a bottom half and top half. The top half contains generic code which hides the underlying storage implementation. The bottom half implements the storage abstraction. With this change, the bottom half is moved to coreboot, while the top half stays in vboot_reference. TEST=Built with USE=+/-vboot2 for Blaze. Built Samus, Link. BUG=none Branch=none Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Original-Change-Id: I77e3ae1a029e09d3cdefe8fd297a3b432bbb9e9e Original-Reviewed-on: https://chromium-review.googlesource.com/206065 Original-Reviewed-by: Randall Spangler <rspangler@chromium.org> Original-Reviewed-by: Luigi Semenzato <semenzato@chromium.org> (cherry picked from commit 6b66140ac979a991237bf1fe25e0a55244a406d0) Change-Id: Ia3b8f27d6b1c2055e898ce716c4a93782792599c Signed-off-by: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Marc Jones <marc.jones@se-eng.com> Reviewed-on: http://review.coreboot.org/8615 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
2015-01-16coreboot tpm: Fix printk format specifiersFurquan Shaikh
BUG=None BRANCH=None TEST=Compiles successfully Original-Change-Id: I828776724dce287d9a7eb732f2c9ecccf8d68229 Original-Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/209336 Original-Tested-by: Furquan Shaikh <furquan@chromium.org> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org> (cherry picked from commit b50c9441ddaeabc5aa039f2141853ed7ba7a9d5b) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I6e81312609448c531345e592ee371ea53dc0916c Reviewed-on: http://review.coreboot.org/8221 Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins)
2014-12-23TPM: Fix i2c driver dependencyKyösti Mälkki
Change-Id: I59545ef734dff41ba55dcddd541c54b17b0855bb Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/7914 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
2014-12-16i2c: Replace the i2c API.Gabe Black
The new API is in use in depthcharge and is based around the "i2c_transfer" function instead of i2c_read and i2c_write. The new function takes an array of i2c_seg structures which represent each portion of the transfer after a start bit and before the stop bit. If there's more than one segment, they're seperated by repeated starts. Some wrapper functions have also been added which make certain common operations easy. These include reading or writing a byte from a register or reading or writing a blob of raw data. The i2c device drivers generally use these wrappers but can call the i2c_transfer function directly if the need something different. The tegra i2c driver was very similar to the one in depthcharge and was simple to convert. The Exynos 5250 and 5420 drivers were ported from depthcharge and replace the ones in coreboot. The Exynos 5420 driver was ported from the high speed portion of the one in coreboot and was straightforward to port back. The low speed portion and the Exynos 5250 drivers had been transplanted from U-Boot and were replaced with the depthcharge implementation. BUG=None TEST=Built and booted on nyan with and without EFS. Built and booted on, pit and daisy. BRANCH=None Original-Change-Id: I1e98c3fa2560be25444ab3d0394bb214b9d56e93 Original-Signed-off-by: Gabe Black <gabeblack@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/193561 Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-by: Jimmy Zhang <jimmzhang@nvidia.com> Original-Tested-by: Jimmy Zhang <jimmzhang@nvidia.com> Original-Reviewed-by: Hung-Te Lin <hungte@chromium.org> Original-Commit-Queue: Gabe Black <gabeblack@chromium.org> Original-Tested-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit 00c423fb2c06c69d580ee3ec0a3892ebf164a5fe) This cherry-pick required additional changes to the following: src/cpu/allwinner/a10/twi.c src/drivers/xpowers/axp209/axp209.c Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I691959c66308eeeec219b1bec463b8b365a246d7 Reviewed-on: http://review.coreboot.org/7751 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2014-10-22tpm: i2c: When probing the TPM, write a 0 into the TPM access register.Gabe Black
Not doing so makes it fail when run at high frequency. Change-Id: I1cfb69c55f03cb90f66f437289803d897a1aad5c Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://chromium-review.googlesource.com/191812 Reviewed-by: Tom Warren <twarren@nvidia.com> Reviewed-by: Jimmy Zhang <jimmzhang@nvidia.com> Reviewed-by: David Hendricks <dhendrix@chromium.org> Tested-by: Tom Warren <twarren@nvidia.com> Commit-Queue: Gabe Black <gabeblack@chromium.org> (cherry picked from commit 04452441d2bfe2cacd3e0b6990c0e9261b5350d1) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/7007 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-09-10tpm: Clean up I2C TPM driverStefan Reinauer
Drop a lot of u-boot-isms and share common TIS API between I2C driver and LPC driver. Signed-off-by: Stefan Reinauer <reinauer@google.com> Change-Id: I43be8eea0acbdaef58ef256a2bc5336b83368a0e Reviewed-on: https://chromium-review.googlesource.com/175670 Commit-Queue: Stefan Reinauer <reinauer@chromium.org> Tested-by: Stefan Reinauer <reinauer@chromium.org> Reviewed-by: David Hendricks <dhendrix@chromium.org> (cherry picked from commit 3fc8515b9dcef66998658e1aa5c020d22509810c) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6855 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-08-10drivers: Add I2C TPM driver to corebootStefan Reinauer
On ARM platforms the TPM is not attached through LPC but through I2C. This patch adds an I2C TPM driver that supports the following chips: * Infineon SLB9635 * Infineon SLB9645 In order to select the correct TPM implementation cleanly, CONFIG_TPM is moved to src/Kconfig and does the correct choice. Old-Change-Id: I2def0e0f86a869d6fcf56fc4ccab0bc935de2bf1 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: https://chromium-review.googlesource.com/167543 Reviewed-by: ron minnich <rminnich@chromium.org> (cherry picked from commit b4049a0e96f6335a93877e1e884f9a440487c421) i2c tpm: Remove mostly useless delay code/tables. I assume from the code in the TPM driver that the TPM spec defines different types of delays and timeouts which each have a particular duration, and that the TPM can tell you how long each type is if you ask it. There was a large table, some members of a data structure, and a function or two which managed the timeouts and figured their value for different operations. The timeout values for the various "ordinals" were never set in the vendor specific data structure, however, and always defaulted to 2 minutes. Similarly the timeouts a, b, c, and d were never overridden from their defaults. This change gets rid of all the timeout management code and makes the "ordinal" timeout 2 minutes and the a, b, c, and d timeouts 2 seconds, the larger of the two default values. This is a port from depthcharge to coreboot, original change: https://chromium-review.googlesource.com/#/c/168363/ Signed-off-by: Gabe Black <gabeblack@google.com> Signed-off-by: Stefan Reinauer <reinauer@google.com> Old-Change-Id: I79696d6329184ca07f6a1be4f6ca85e1655a7aaf Reviewed-on: https://chromium-review.googlesource.com/168583 Reviewed-by: Gabe Black <gabeblack@chromium.org> Tested-by: Stefan Reinauer <reinauer@google.com> Commit-Queue: Stefan Reinauer <reinauer@google.com> (cherry picked from commit b22395a73f361c38626911808332a3706b2334fe) TPM: Stop requesting/releasing the TPM locality. The locality is requested when the TPM is initialized and released when it's cleaned up. There's no reason to set it to the same thing again and restore it back to the same value before and after every transaction. forward ported from https://chromium-review.googlesource.com/#/c/168400 Old-Change-Id: I291d1f86f220ef0eff6809c6cb00459bf95aa5e0 Signed-off-by: Gabe Black <gabeblack@google.com> Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: https://chromium-review.googlesource.com/168584 Reviewed-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit cc866c20c6f936f349d2f1773dd492dca9bbf0c1) Squashed three commits for the i2c tpm driver. Change-Id: Ie7a50c50fda8ee986c02de7fe27551666998229d Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6519 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 00:32:36 +0000