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2020-10-24sb/intel/lynxpoint/pcie: Fix clock gating routineAngel Pons
The use of `1 < 5` as a bit mask was obviously a typo. Correct it as `1 << 5` to match what Intel doc #493816 (Lynx Point PCH BWG) states. Change-Id: I85734a68a42ec65b124d68514039a1dda7946adc Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45713 Reviewed-by: Michael Niewöhner <foss@mniewoehner.de> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-10-14haswell/lynxpoint: Align cosmetics with BroadwellAngel Pons
Tested with BUILD_TIMELESS=1, Google Wolf does not change. Change-Id: Ibd8430352e860ffc0e2030fd7bc73582982f4695 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45698 Reviewed-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-10-12sb/intel/lynxpoint/pcie.c: fix typo in commentMatt DeVillier
Change-Id: I741b66e08d977f514f2512d626e3bcf22ce7d46c Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/46135 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2020-10-12sb/intel/lynxpoint: Set PCIe L1 substates capabilities registerMatt DeVillier
Copied from soc/intel/broadwell. Test: build/boot google/beltino variants, verify L1 PM substates listed under PCIe device capabilities Change-Id: Ib2ae3d9539de9f7e22975f00450d9d60d1fd938a Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/46134 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-10-12sb/intel/lynxpoint: Enable/disable AER via KconfigMatt DeVillier
Several changes[1][2] to the Linux kernel now enable ASPM/AER for the rt8169 network driver, for which it was previously disabled. This, coupled with the southbridge enabling AER for all PCIe devices, has resulted in a large amount of AER timeout errors in the kernel log for boards which utilize the rt8169 for on-board Ethernet (e.g., google/beltino). While performance is not impacted, the errors do accumulate. To mitigate this, guard AER enablement via Kconfig, select it by default (as to maintain current default behavior), and allow boards which need to disable it to do so (implemented in subsequent commits). This implementation is derived from that in soc/intel/broadwell. Test: build/boot google/beltino variants with AER disabled (CB:46136), verify dmesg log free of AER timeout errors. [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=671646c151d492c3846e6e6797e72ff757b5d65e [2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a99790bf5c7f3d68d8b01e015d3212a98ee7bd57 Change-Id: Ia03ef0d111335892c65122954c1248191ded7cb8 Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/46133 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-08-18src: Remove unused 'include <stddef.h>Elyes HAOUAS
Change-Id: Iae1e875b466f8a195653d897efa1b297c61ad0a5 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41912 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-08-12sb/intel/lynxpoint: Move IOBP API to its own compilation unitAngel Pons
Change-Id: Icb6114302cebe19bc3c1971929ea4fc085b454be Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41946 Reviewed-by: Michael Niewöhner Reviewed-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-by: Jonathan Kollasch <jakllsch@kollasch.net> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-08-07sb/intel/lynxpoint: Use PCI bitwise opsAngel Pons
Some cases could not be factored out while keeping reproducibility. Also mark some potential bugs with a FIXME comment, since fixing them while also keeping the binary unchanged is pretty much impossible. Tested with BUILD_TIMELESS=1, Asrock B85M Pro4 does not change. Change-Id: I27d6aaa59e12a337f80a6d3387cc9c8ae5949384 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42154 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-08-07sb/intel/lynxpoint: Consider root ports being disabled by strapAngel Pons
PCIe RPC (Root Port Configuration) straps will force-disable some root port functions if some root ports have a width greater than x1. In two cases, this affects the last function. The PCIe init code will never finish configuring the root ports if that is the case: it assumes that the last function will eventually run through the code, but it doesn't. If PCIe initialization does not complete, pressing the power button will not power off the board, unless it is held for about five seconds. Also, Windows 10 will show a BSOD about MACHINE CHECK EXCEPTION, and lock up instead of rebooting. Depending on the microcode version, the BSOD may not be visible. This happens even when the root port is not populated. Use the strap fuse configuration value to know which configuration the PCH is strapped to. If needed, update the number of ports accordingly. In addition, print the updated value to ease debugging PCIe init code. Existing code in coreboot disagrees with public documentation about the root port width straps. Assume existing code is correct and document these assumptions in a table, as an explanation for the added code. Tested on Asrock B85M Pro4, PCIe initialization completes successfully. Change-Id: Id6da3a1f45467f00002a5ed41df8650f4a74eeba Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44155 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-07-28src: Never set ISA Enable on PCI bridgesAngel Pons
Looks like no one really knows what this bit would be useful for, nor when it would need to be set. Especially if coreboot is setting it even on PCI *Express* bridges. Digging through git history, nearly all instances of setting it on PCIe bridges comes from i82801gx, for which no reason was given as to why this would be needed. The other instances in Intel code seem to have been, unsurprisingly, copy-pasted. Drop all uses of this definition and rename it to avoid confusion. The negation in the name could trick people into setting this bit again. Tested on Asrock B85M Pro4, no visible difference. Change-Id: Ifaff29561769c111fb7897e95dbea842faec5df4 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43775 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2020-07-09sb/intel/lynxpoint/pcie.c: Drop dead codeAngel Pons
This code is not even being build-tested. Drop it before it grows moss. Change-Id: I2fff78231d6dfbed56bb885aa23d5cd2a745325e Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43217 Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Reviewed-by: Frans Hendriks <fhendriks@eltan.com> Reviewed-by: Michael Niewöhner Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-06-06src: Use pci_dev_ops_pci where applicableAngel Pons
Change-Id: Ie004a94a49fc8f53c370412bee1c3e7eacbf8beb Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41944 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Michael Niewöhner Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Nico Huber <nico.h@gmx.de>
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>
2020-05-01sb/intel/lynxpoint: Fix 16-bit read/write PCI_COMMAND registerElyes HAOUAS
Change-Id: I81b740e0cfcf0e1bf096427b45ffba06d357fee6 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/40792 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2020-04-04src/southbridge: Use SPDX for GPL-2.0-only filesAngel Pons
Done with sed and God Lines. Only done for C-like code for now. Change-Id: I5b00b3e38edda90f35f0679cd4171a3499288f24 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/40059 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
2020-03-17src (minus soc and mainboard): Remove copyright noticesPatrick Georgi
They're listed in AUTHORS and often incorrect anyway, for example: - What's a "Copyright $year-present"? - Which incarnation of Google (Inc, LLC, ...) is the current copyright holder? - People sometimes have their editor auto-add themselves to files even though they only deleted stuff - Or they let the editor automatically update the copyright year, because why not? - Who is the copyright holder "The coreboot project Authors"? - Or "Generated Code"? Sidestep all these issues by simply not putting these notices in individual files, let's list all copyright holders in AUTHORS instead and use the git history to deal with the rest. Change-Id: I89b10076e0f4a4b3acd59160fb7abe349b228321 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39611 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: David Hendricks <david.hendricks@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-10-30src/southbridge: change "unsigned" to "unsigned int"Martin Roth
Signed-off-by: Martin Roth <martin@coreboot.org> Change-Id: Iee2056a50a1201626fa29194afdbfc1f11094420 Reviewed-on: https://review.coreboot.org/c/coreboot/+/36333 Reviewed-by: Patrick Rudolph <siro@das-labor.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-10-01intel/pci: Utilise pci_def.h for PCI_BRIDGE_CONTROLKyösti Mälkki
This is a PCI standard register, no need to alias its definitions under different names. Change-Id: Iea6b198dd70fe1e49b5dc0824dba62628dedc69a Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35521 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-08-21southbridge/intel: Tidy up preprocessor and headersKyösti Mälkki
Change-Id: I52a7b39566acd64ac21a345046675e05649a40f5 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34980 Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-03-21{northbridge, soc, southbridge}/intel: Make use of generic set_subsystem()Subrata Banik
This patch removes all local definitions of sub_system functions and make use of common generic pci_dev_set_subsystem() from PCI bridge and Cardbus devices as well. Change-Id: I5fbed39ed448baf11f0e0786ce0ee94741d57237 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31950 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Furquan Shaikh <furquan@google.com>
2019-01-03sb/intel/lynxpoint/pcie.c: Add more checks for NULL pointersTristan Corrick
If PCIe root port `n` is disabled, then `rpc.ports[n - 1]` remains NULL. The existing Lynx Point systems probably don't end up dereferencing NULL pointers this way. However, it might occur on a system using Flexible I/O to remap PCIe root ports to other functions. Tested on an ASRock H81M-HDS and an Acer C720 (Google Peppy). No issues presented themselves. Change-Id: I2c22fa36217766c2c4d6e8046f99989063066b16 Signed-off-by: Tristan Corrick <tristan@corrick.kiwi> Reviewed-on: https://review.coreboot.org/c/30079 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-12-28sb/intel/lynxpoint: Handle H81 only having 6 PCIe root portsTristan Corrick
The H81 chipset is the only non-LP Lynx Point chipset with 6 PCIe root ports, all others have 8 [1]. The existing PCIe code assumed that all non-LP chipsets had 8 root ports, which meant that port 6 would not be considered the last root port on H81, so `root_port_commit_config()` would not run. Ultimately, while PCIe still worked on H81, all the root ports would remain enabled, even if disabled in the devicetree. Also, remove `PCI_DEVICE_ID_INTEL_LYNXPOINT_MOB_DESK_{MIN,MAX}`, as they are unused, and the MAX constant is incorrect. Interestingly, this fixes an issue where GRUB is unable to halt the system. Tested on an ASRock H81M-HDS. The root ports disabled in the devicetree do indeed end up disabled. [1] Intel® 8 Series/C220 Series Chipset Family Platform Controller Hub (PCH) Datasheet, revision 003, document number 328904. Change-Id: If3ce217e8a4f4ea4e111e4525b03dbbfc63f92b0 Signed-off-by: Tristan Corrick <tristan@corrick.kiwi> Reviewed-on: https://review.coreboot.org/c/30077 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Patrick Rudolph <siro@das-labor.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-12-07sb/intel/lynxpoint/pcie.c: Fix a mistake in a commentTristan Corrick
The code annotated by the comment is dealing with root port 7, so update the comment to reflect that. It looks like the comment was copied from the root port 3 case, but not updated. Change-Id: I0e27e4453f4c3b2b1b9dffb0c89b71373c6b303e Signed-off-by: Tristan Corrick <tristan@corrick.kiwi> Reviewed-on: https://review.coreboot.org/c/30078 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2018-06-09sb/intel/lynxpoint: Get rid of device_tElyes HAOUAS
Use of device_t has been abandoned in ramstage. Change-Id: I064ff5e76dd95c1770cd24139195b2a5fff2d382 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/26974 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2018-04-20pci: Move inline PCI functions to pci_ops.hPatrick Rudolph
Move inline function where they belong to. Fixes compilation on non x86 platforms. Change-Id: Ia05391c43b8d501bd68df5654bcfb587f8786f71 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/25720 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2017-07-10southbridge/intel/lynxpoint: Fix undefined behaviorRyan Salsamendi
Fix undefined behavior found by clang's -Wshift-sign-overflow, grep, and source inspection. Left shifting an int where the right operand is >= the width of the type is undefined. Add UL suffix since it's safe for unsigned types. Change-Id: I10db2566199200ceb3068721cfb35eadb2be1f68 Signed-off-by: Ryan Salsamendi <rsalsamendi@hotmail.com> Reviewed-on: https://review.coreboot.org/20464 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2017-07-02southbridge/intel/lynxpoint: Fix undefined behaviorRyan Salsamendi
Fix reports found by undefined behavior sanitizer. Left shifting an int where the right operand is >= the width of the type is undefined. Add UL suffix since it's safe for unsigned types. Change-Id: I755b3c80a8d1b6cb6b6e5f411c6691e5dd17c266 Signed-off-by: Ryan Salsamendi <rsalsamendi@hotmail.com> Reviewed-on: https://review.coreboot.org/20443 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2016-12-06PCI ops: Define read-modify-write routines globallyKyösti Mälkki
Change-Id: I7d64f46bb4ec3229879a60159efc8a8408512acd Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/17690 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-02-23southbridge/intel/lynxpoint: Use common gpio.cPatrick Rudolph
Use shared gpio code from common folder, except for INTEL_LYNXPOINT_LP, which has it's own gpio code. Needs test on real hardware ! Change-Id: Iccc6d254bafb927b6470704cec7c9dd7528e2c68 Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/13615 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.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>
2015-05-21Remove 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>
2013-12-21haswell: Misc updates from 1.6.1 ref codeDuncan Laurie
These programming sequences were changed in the latest code. Change-Id: Ia4b763a49542635713d11a9ee81f7e7f200bf841 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/65612 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4466 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2013-12-21lynxpoint: Add devicetree config option to force enable ASPMDuncan Laurie
The PCIe root port has ASPM settings/workarounds that are only applied based on the value of an undocumented bit in PCI config register 0x32C. If that bit is not set for some reason then the settings are not applied. This devicetree config option will force the ASPM settings for each port based on the bit map. Change-Id: I40b08ca9a0ef52742609bac72fb821454a373799 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/65314 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4453 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2013-12-05lynxpoint: enable clock gatingAaron Durbin
Implement the LynxPoint BIOS Spec for clock gating. Change-Id: Iaa84cb447bd29b0d13cdda481a1661ea40499de1 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/59590 Reviewed-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/4325 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-12-05lynxpoint: implement additional programming stepsStefan Reinauer
The BIOS spec for LynxPoint calls out additional programming steps for the PCIe Root Ports. Implement those steps from the BIOS spec. These steps are completed before deeper PCIe probing. The "late" programming was removed as that was applicable to Cougar/Panther point where this code was originally copied, though there was some overlap. Change-Id: I64f25e4451e035d98ca6b66b0335bd280b70b074 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/59558 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4323 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-12-05lynxpoint: disable pcie devices based on configAaron Durbin
PCIe Root Ports should be disabled based on pin ownership and the strapping configuration. Implement this logic for LynxPoint. The chip_ops->enable_dev() path is no longer used. Instead the PCIe driver handles the enabling and disabling of devices. This allows for having an empty or incomplete device tree since those "allocated" devices do not travel through the chip_ops->enable_dev() path. The coalescing was tested to be working properly, however not all configurations were tested. Change-Id: I1e8bfe5e447b72ff8a4b04b650982d8c1ae0823c Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/59424 Reviewed-by: Stefan Reinauer <reinauer@chromium.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4322 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-12-02lynxpoint: move all pcie device handling to pcie.cAaron Durbin
Some of the pcie logic was located in pch.c as well as pcie.c. Move all pcie logic to the same pcie.c file. This is a straight cut-and-paste (no logic changes) except for a rename from pch_pcie_enable() -> pch_pcie_enable_dev(). Change-Id: I338c53039b95f255ab9ced313c51193a9d34b404 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/59277 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4251 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2013-08-01intel/lynxpoint: remove explicit pcie config accessesKyösti Mälkki
Now that MMCONF_SUPPORT_DEFAULT is enabled by default remove the pcie explicit accesses. The default config accesses use MMIO. Change-Id: I71923790aa03e51db01ae3a4745e1c44556d281f Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/3812 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
2013-03-14lynxpoint: Update device IDs and clock gating setupDuncan Laurie
- Add device IDs for lynxpoint mobile and LP variants. - Update the clock gating setup based on BWG - Update the SATA programming based on BWG - Add a DEVSLP0 mux config register Change-Id: Icf4d7bab7f3df7adef5eb7c5e310a6995227a0e5 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/2649 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2013-03-14haswell: Add initial support for Haswell platformsAaron Durbin
The Haswell parts use a PCH code named Lynx Point (Series 8). Therefore, the southbridge support is included as well. The basis for this code is the Sandybridge code. Management Engine, IRQ routing, and ACPI still requires more attention, but this is a good starting point. This code partially gets up through the romstage just before training memory on a Haswell reference board. Change-Id: If572d6c21ca051b486b82a924ca0ffe05c4d0ad4 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2616 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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