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path: root/src/drivers/i2c/tpm/tpm.h
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2023-11-13security/tpm/: turn tis_{init,open} into tis_probeSergii Dmytruk
init() was always followed by open() and after successful initialization we only need send-receive function which is now returned by tis_probe() on success, thus further reducing number of functions to export from drivers. This also removes check for opening TIS twice that seems to have no value. Change-Id: I52ad8d69d50d449f031c36b15bf70ef07986946c Ticket: https://ticket.coreboot.org/issues/433 Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/76954 Reviewed-by: Julius Werner <jwerner@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2023-09-28treewide: convert to tpm_result_tJon Murphy
Convert TPM functions to return TPM error codes(referred to as tpm_result_t) values to match the TCG standard. BUG=b:296439237 TEST=build and boot to Skyrim BRANCH=None Change-Id: Ifdf9ff6c2a1f9b938dbb04d245799391115eb6b1 Signed-off-by: Jon Murphy <jpmurphy@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/77666 Reviewed-by: Raul Rangel <rrangel@chromium.org> Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2022-12-23Revert "security/tpm/: turn tis_{init,open} into tis_probe"Sergii Dmytruk
This reverts commit d43154486d27323f64334203e9bc8baf08af6845. From CB:68991: This causes CraterLake boot up process to die. Investigation in progress. Change-Id: I4a6c11b0e638a891108fe230bdaea92d5fbca020 Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/71205 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com> Tested-by: siemens-bot Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2022-12-21security/tpm/: turn tis_{init,open} into tis_probeSergii Dmytruk
Init was always followed by open and after successful initialization we need only send-receive function, which is now returned by tis_probe on success further reducing number of functions to export from drivers. Change-Id: Ib4ce35ada24e3959ea1a518c29d431b4ae123809 Ticket: https://ticket.coreboot.org/issues/433 Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/68991 Reviewed-by: Julius Werner <jwerner@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2022-12-21drivers/i2c/tpm: splice tpm_vendor_specific structSergii Dmytruk
Move `locality` field to `struct tpm_inf_dev` and put the rest directly into `tpm_chip`. Change-Id: Ic3644290963aca9f8dc7cd8ef754352865ef8d2c Ticket: https://ticket.coreboot.org/issues/433 Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/68990 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2022-12-05security/tpm: remove tis_close()Sergii Dmytruk
This function was never called from outside of drivers and src/drivers/pc80/tpm/tis.c was the only one doing it in a questionable way. tpm_vendor_cleanup() also isn't needed as one of tis_close() functions was its only caller. Change-Id: I9df76adfc21fca9fa1d1af7c40635ec0684ceb0f Ticket: https://ticket.coreboot.org/issues/433 Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/68989 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
2020-05-11treewide: Remove "this file is part of" linesPatrick Georgi
Stefan thinks they don't add value. Command used: sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool) The exceptions are for: - crossgcc (patch file) - gcov (imported from gcc) - elf.h (imported from GNU's libc) - nvramtool (more complicated header) The removed lines are: - fmt.Fprintln(f, "/* This file is part of the coreboot project. */") -# This file is part of a set of unofficial pre-commit hooks available -/* This file is part of coreboot */ -# This file is part of msrtool. -/* This file is part of msrtool. */ - * This file is part of ncurses, designed to be appended after curses.h.in -/* This file is part of pgtblgen. */ - * This file is part of the coreboot project. - /* This file is part of the coreboot project. */ -# This file is part of the coreboot project. -# This file is part of the coreboot project. -## This file is part of the coreboot project. --- This file is part of the coreboot project. -/* This file is part of the coreboot project */ -/* This file is part of the coreboot project. */ -;## This file is part of the coreboot project. -# This file is part of the coreboot project. It originated in the - * This file is part of the coreinfo project. -## This file is part of the coreinfo project. - * This file is part of the depthcharge project. -/* This file is part of the depthcharge project. */ -/* This file is part of the ectool project. */ - * This file is part of the GNU C Library. - * This file is part of the libpayload project. -## This file is part of the libpayload project. -/* This file is part of the Linux kernel. */ -## This file is part of the superiotool project. -/* This file is part of the superiotool project */ -/* This file is part of uio_usbdebug */ Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194 Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-05-06treewide: replace GPLv2 long form headers with SPDX headerPatrick Georgi
This replaces GPLv2-or-later and GPLv2-only long form text with the short SPDX identifiers. Commands used: perl -i -p0e 's|/\*[*\n\t ]*This program is free software[:;].*you.*can.*redistribute.*it.*and/or.*modify.*it.*under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*as.*published.*by.*the.*Free.*Software.*Foundation[;,].*version.*2.*of.*the.*License.*or.*(at.*your.*option).*any.*later.*version.+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-or-later */|s' $(cat filelist) perl -i -p0e 's|/\*[*\n\t ]*This program is free software[:;].*you.*can.*redistribute.*it.*and/or.*modify.*it.*under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*as.*published.*by.*the.*Free.*Software.*Foundation[;,].*version.*2.+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-only */|s' $(cat filelist) perl -i -p0e 's|/\*[*\n\t ]*This program is free software[:;].*you.*can.*redistribute.*it.*and/or.*modify.*it.*under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*version.*2.*as.*published.*by.*the.*Free.*Software.*Foundation[.;,].+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-only */|s' $(cat filelist) perl -i -p0e 's|/\*[*\n\t ]*This software is licensed under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*version.*2.*as.*published.*by.*the.*Free.*Software.*Foundation,.+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-only */|s' $(cat filelist) Change-Id: I7a746088a35633c11fc7ebe86006e96458a1abf8 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41066 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: David Hendricks <david.hendricks@gmail.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
2020-05-06treewide: Move "is part of the coreboot project" line in its own commentPatrick Georgi
That makes it easier to identify "license only" headers (because they are now license only) Script line used for that: perl -i -p0e 's|/\*.*\n.*This file is part of the coreboot project.*\n.*\*|/* This file is part of the coreboot project. */\n/*|' # ...filelist... Change-Id: I2280b19972e37c36d8c67a67e0320296567fa4f6 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41065 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: David Hendricks <david.hendricks@gmail.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2019-10-22AUTHORS: Move src/drivers/[a*-i*] copyrights into AUTHORS fileMartin Roth
As discussed on the mailing list and voted upon, the coreboot project is going to move the majority of copyrights out of the headers and into an AUTHORS file. This will happen a bit at a time, as we'll be unifying license headers at the same time. Updated Authors file is in a separate commit. Signed-off-by: Martin Roth <martin@coreboot.org> Change-Id: I1acea8c975d14904b7e486dc57a1a67480a6ee6e Reviewed-on: https://review.coreboot.org/c/coreboot/+/36178 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2017-04-24drivers/i2c/tpm: Remove vendor.irqDaniel Kurtz
The vendor.irq field was originally intended for use as the TPM 1.2 "command complete" interrupt. However, all actual coreboot tpm drivers and hardware use the vendor.status method of checking command completion instead, and this irq field is not used. Let's just remove this unused functionality to simplify the code. BRANCH=none BUG=b:36786804 TEST=Boot reef w/ serial enabled firmware, verify verstage sees "cr50 TPM" and does not complain about lack of tis_plat_irq_status(). TEST=Boot eve w/ serial enabled firmware, verify verstage sees "cr50 TPM" and does not complain about lack of tis_plat_irq_status(). Change-Id: I994c5bfbd18124af9cb81d9684117af766ab0124 Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Reviewed-on: https://review.coreboot.org/19396 Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)
2017-04-24drivers/i2c/tpm/cr50: Use tis_plat_irq_status for Cr50 IRQ statusDaniel Kurtz
The Cr50 TPM uses an IRQ to provide a "status" signal used for hand-shaking the reception of commands. Real IRQs are not supported in firmware, however firmware can still poll interrupt status registers for the same effect. Commit 94cc485338a3 ("drivers/i2c/tpm/cr50: Support interrupts for status") added support for the Cr50 driver on X86 platforms to use a KConfig file to supply an IRQ which it would poll using acpi_get_gpe. If the IRQ is not supplied, the Cr50 driver inserts a 20 ms wait. Unfortunately this doesn't work so well when using the i2c connected Cr50 on ARM platforms. Luckily, a more generic implementation to allow a mainboard to supply a Cr50 IRQ status polling function was solved for SPI connected Cr50s by commit 19e3d335bddb ("drivers/spi/tpm: using tpm irq to sync tpm transaction"). Let's refactor the i2c c50 driver to use this same approach, and change eve and reef boards to make use of DRIVER_TPM_TIS_ACPI_INTERRUPT for specifying the TPM flow control interrupt. This essentially reverts these two commits: 48f708d199 drivers/i2c/tpm/cr50: Initialize IRQ status handler before probe 94cc485338 drivers/i2c/tpm/cr50: Support interrupts for status And ports this commit to i2c/tpm/cr50: 19e3d335bd drivers/spi/tpm: using tpm irq to sync tpm transaction As a side effect the tpm_vendor_specific IRQ field goes back to its original usage as the "TPM 1.2 command complete" interrupt, instead of being repurposed to hold the flow control IRQ. BRANCH=none BUG=b:36786804 TEST=Boot reef w/ serial enabled firmware, verify verstage sees "cr50 TPM" and does not complain about lack of tis_plat_irq_status(). TEST=Boot eve w/ serial enabled firmware, verify verstage sees "cr50 TPM" and does not complain about lack of tis_plat_irq_status(). Change-Id: I004329eae1d8aabda51c46b8504bf210484782b4 Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Reviewed-on: https://review.coreboot.org/19363 Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)
2017-04-13drivers/spi/tpm: Clean up SPI TPM driverFurquan Shaikh
1. Move common TIS macros to include/tpm.h. 2. Use common TIS macros while referring to status and access registers. 3. Add a new function claim_locality to properly check for required access bits and claim locality 0. BUG=b:36873582 Change-Id: I11bf3e8b6e1f50b7868c9fe4394a858488367287 Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/19213 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2017-04-03drivers/i2c/tpm: remove unused types from tpm.hAaron Durbin
There are unused structures/types in the tpm.h header file. Remove them. BUG=b:36598499 Change-Id: Iddc147640dcec70e80791846eb46298de1070672 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/19059 Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins)
2017-03-15drivers/i2c/tpm: Fix issues detected by checkpatchLee Leahy
Fix the following warnings detected by checkpatch.pl: WARNING: Prefer 'unsigned int' to bare use of 'unsigned' WARNING: braces {} are not necessary for single statement blocks WARNING: Unnecessary parentheses - maybe == should be = ? WARNING: line over 80 characters WARNING: missing space after return type TEST=Build and run on Galileo Gen2 Change-Id: I56f915f6c1975cce123fd38043bad2638717d88c Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/18832 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-09-21drivers/i2c/tpm/cr50: Support interrupts for statusDuncan Laurie
Support reading the ACPI GPE status (on x86) to determine when the cr50 is ready to return response data or is done processing written data. If the interrupt is not defined by Kconfig then it will continue to use the safe delay. This was tested with reef hardware and a modified cr50 image that generates interrupts at the intended points. BUG=chrome-os-partner:53336 Change-Id: Ic8f805159650c45382cacac8840450a1f8b4d7a1 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/16672 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-09-21drivers/i2c/tpm: Move common variables to headerDuncan Laurie
Move the common enums and variables to tpm.h so it can be used by multiple drivers. BUG=chrome-os-partner:53336 Change-Id: Ie749f13562be753293448fee2c2d643797bf8049 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/16662 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-09-19Revert "drivers/i2c/tpm: Move common variables to header"Duncan Laurie
This reverts commit 64df72e8e2d1c086705325533767ca5e201e842a.
2016-09-19Revert "drivers/i2c/tpm/cr50: Support interrupts for status"Duncan Laurie
This reverts commit a5e419c51187d24818f056327746a18676fe3a20.
2016-09-19drivers/i2c/tpm/cr50: Support interrupts for statusDuncan Laurie
Support reading the ACPI GPE status (on x86) to determine when the cr50 is ready to return response data or is done processing written data. If the interrupt is not defined by Kconfig then it will continue to use the safe delay. This was tested with reef hardware and a modified cr50 image that generates interrupts at the intended points. BUG=chrome-os-partner:53336 Change-Id: I9f78f520fd089cb4471d8826a8cfecff67398bf8 Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
2016-09-19drivers/i2c/tpm: Move common variables to headerDuncan Laurie
Move the common enums and variables to tpm.h so it can be used by multiple drivers. BUG=chrome-os-partner:53336 Change-Id: I0febe98620d0ddd4ec6b46cd3073e48c12926266 Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
2016-09-08drivers/i2c/tpm: Fix early TPM probeDuncan Laurie
The early TPM probe was done directly in tis.c ignoring the lower layer that provides appropriate access to the chip. Move this into a tpm_vendor_probe() function so it can use iic_tpm_read() with all of the built-in delays and semantics instead of calling i2c_readb() directly from the wrong layer. This fixes early init failures that were seen with the cr50 i2c tpm on the reef mainboard. Change-Id: I9bb3b820d10f6e2ea24c57b90cf0edc813cdc7e0 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/16527 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2016-09-06drivers/i2c/tpm: Make driver safe for use in x86 pre-ramDuncan Laurie
Use CAR accessors where needed for accessing static data. In some cases this required some minor restructuring to pass in a variable instead of use a global one. For the tpm_vendor_init the structure no longer has useful defaults, which nobody was depending on anyway. This now requires the caller to provide a non-zero address. Tested by enabling I2C TPM on reef and compiling successfully. Change-Id: I8e02fbcebf5fe10c4122632eda1c48b247478289 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/16394 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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>
2015-05-21Remove 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>
2015-04-10TPM: 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>
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>
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