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path: root/src/include/device/pci.h
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2020-09-11device: Fix incompatible-pointer-types build errorSubrata Banik
The build error `incompatible-pointer-types` occurs while using `pci_dev_request_bus_master` as part of device ops Signed-off-by: Subrata Banik <subrata.banik@intel.com> Change-Id: I3b1ce85b8db1ddf9ac860415edbe64694b91b3d1 Reviewed-on: https://review.coreboot.org/c/coreboot/+/45122 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-08-31device: Add method to configure bus mastering based on KconfigFelix Singer
The bus master bit is set at many places in coreboot's code, but the reason for that is not quite clear. We examined not setting the bus master bit whereever possible and tried booting without it, which worked fine for internal PCI devices but not for PCIe. As a PCIe device we used a Samsung M.2 NVMe SSD. For security reasons, we would like to disable bus mastering where possible. Depending on the device, bus mastering might get enabled by the operating system (e.g. for iGPU) and it might be required for some devices to work properly. However, the idea is to leave it disabled and configure the IOMMU first before enabling it. To have some sort of "backwards compatibility", add a method which configures bus mastering based on an additional config option. Since CB:42460 makes usage of this treewide, enable it by default to keep the current behaviour for now. Tested with Siemens/Chili, a Coffee Lake based platform. Change-Id: I876c48ea3fb4f9cf7b6a5c2dcaeda07ea36cbed3 Signed-off-by: Felix Singer <felix.singer@secunet.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42459 Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Subrata Banik <subrata.banik@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-06-08device: Add a disabling PCIe device bus master functionJohn Zhao
A function pci_dev_disable_bus_master() is created. This function can be used to disable Thunderbolt PCIe root ports, bridges and devices for Vt-d based security platform at end of boot service. BUG=None TEST=Verified PCIe device bus master enable bit is cleared. Signed-off-by: John Zhao <john.zhao@intel.com> Change-Id: Ie92a15bf2c66fdc311098acb81019d4fb7f68313 Reviewed-on: https://review.coreboot.org/c/coreboot/+/41042 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2019-09-30device/pci_early: Drop some __SIMPLE_DEVICE__ useKyösti Mälkki
The simple PCI config accessors are always available under names pci_s_[read|write]_configX. We have some use for PCI bridge configurations and resets in romstages, so expose them. Change-Id: Ia97a4e1f1b4c80b3dae800d80615bdc118414ed3 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35672 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-09-28cpu,device/: Remove some __SIMPLE_DEVICE__ and __ROMCC__ useKyösti Mälkki
Change-Id: I62d7450c8e83eec7bf4ad5d0709269a132fd0499 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35649 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-07-15device: Remove device->ops from early stagesKyösti Mälkki
Change-Id: I7a361187570716df94a3fd441ae78c0f805b1dda Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/33921 Reviewed-by: Patrick Rudolph <siro@das-labor.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-07-12device/pci: Replace use of dev_find_slot() for IRQsKyösti Mälkki
Change-Id: I48c0de73338430282ce1a4442bbeb7c867dc174c Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34079 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2019-07-04device/pci_ops: Define pci_find_capability() just onceKyösti Mälkki
Wrap the simple romstage implementation to be called from ramstage. Change-Id: Iadadf3d550416850d6c37233bd4eda025f4d3960 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31755 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-03-16device/pci_ops: Have only default PCI bus ops availableKyösti Mälkki
In the current state of the tree we do not utilise the mechanism of having per-device overrides for PCI bus ops. This change effectively inlines all PCI config accessors for ramstage as well. Change-Id: I11c37cadfcbef8fb5657dec6d620e6bccab311a4 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31753 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2019-03-16device/pci_ops: Reuse romstage PCI config for ramstageKyösti Mälkki
By changing the signatures we do not need to define PCI config accessors separately for ramstage. Change-Id: I9364cb34fe8127972c772516a0a0b1d281c5ed00 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31685 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2019-03-13device/pci_ops: Rename 'where' to 'reg'Kyösti Mälkki
One could understand 'where' as bus, device, function or register. Make it clear it is register. Change-Id: I95d0330ba40510e48be70ca1d8f58aca66c8f695 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31846 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
2019-03-13device/pci_ops: Unify signaturesKyösti Mälkki
Use fixed width types and const pointers for dev. Change-Id: Ide3b70238479ad3e1869ed22aa4fa0f1ff8aa766 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31845 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
2019-03-08coreboot: Replace all IS_ENABLED(CONFIG_XXX) with CONFIG(XXX)Julius Werner
This patch is a raw application of find src/ -type f | xargs sed -i -e 's/IS_ENABLED\s*(CONFIG_/CONFIG(/g' Change-Id: I6262d6d5c23cabe23c242b4f38d446b74fe16b88 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31774 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2019-03-06device/pci_ops: Change ramstage PCI accessor signaturesKyösti Mälkki
This reduces parameter passing and visibility of parsing struct *dev to PCI bus:dev.fn. Change-Id: Ie4232ca1db9cffdf21ed133143acfb7517577736 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31750 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2019-03-04device/mmio.h: Add include file for MMIO opsKyösti Mälkki
MMIO operations are arch-agnostic so the include path should not be arch/. Change-Id: I0fd70f5aeca02e98e96b980c3aca0819f5c44b98 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/31691 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-03-03device/pci_ops: Drop unused parameterKyösti Mälkki
Drop the bus parameter, we do not use it. It would still be possible to do per-bus selection by evaluating the bus number, but currently we do not have need for that either. Change-Id: I09e928b4677d9db2eee12730ba7b3fdd8837805c Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/31678 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2019-03-01device/pci: Fix PCI accessor headersKyösti Mälkki
PCI config accessors are no longer indirectly included from <arch/io.h> use <device/pci_ops.h> instead. Change-Id: I2adf46430a33bc52ef69d1bf7dca4655fc8475bd Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/31675 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2019-02-11device/pci_ops: Move questionable pci_locate() variantsKyösti Mälkki
These are defined for __SIMPLE_DEVICE__ when PCI enumeration has not happened yet. These should not really try to probe devices other than those on bus 0. It's hard to track but there maybe cases of southbridge being located on bus 2 and available for configuration, so I rather leave the code unchanged. Just move these out of arch/io.h because they cause build failures if one attempts to include <arch/pci_ops.h> before <arch/io.h>. There are two direct copies for ROMCC bootblocks to avoid inlining them elsewhere. Change-Id: Ida2919a5d83fe5ea89284ffbd8ead382e4312524 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/31304 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
2019-02-11device/pci_early.c: Drop some guardsKyösti Mälkki
With PCI_DEV() always defined it is no longer necessary to exclude this code from building. Change-Id: I58a6348750d240aa6024599f7b1af1449f31e8ac Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/31303 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
2019-01-16buildsystem: Promote rules.h to default includeKyösti Mälkki
Does not fix 3rdparty/, *.S or *.ld or yet. Change-Id: I66b48013dd89540b35ab219d2b64bc13f5f19cda Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/17656 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2018-12-30device/pci_early: Fixes for __SIMPLE_DEVICE__Kyösti Mälkki
The feature is used to enable PCI MMIO accesses behind PCIe links (or bridges) before PCI enumeration has been completed. Add the feature for bootblock, verstage and postcar, it is required with add-on PCIe serial cards for early console output. It's up to the board specific code to configure PCIe root port prior to calling console_init() for this to work. Remove feature from ramstage, it bypasses any resource allocations and bus number assignments. For the moment PCI configuration support before ramstage is available only on ARCH_X86. Also switch from device_t to pci_devfn_t. Change-Id: I08acec68b6f17f4d73d30039cc41274492ea4f45 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/30496 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
2018-07-19device/pci: Add MSI-X helper functionsPatrick Rudolph
Basic PCI MSI-X table helper functions. Imported from GNU/Linux kernel PCI subsystem. To be used on Cavium to configure MSI-X tables. Change-Id: I94413712e7986efd17e6b11ba59f6eb390384c8c Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/26329 Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-05-03pci: Fix function prototypePatrick Rudolph
Fix a function prototype to support PCI on non x86. The function itself does have the correct argument already. Change-Id: I564fcfe9b85ed4f841a48fe17a3f5bf80e16560b Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/26031 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-12-13device: Make pci_dev_ops_pci structure globalSubrata Banik
This patch makes pci_dev_ops_pci structure global so that caller can make use of this structure using extern. Change-Id: I8de919aacccbc062475fb04f59ffb4957d3460b9 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/22814 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
2017-08-09device/pci: untangle struct device and device_tAaron Durbin
This patch uses struct device explicitly for the ramstage functions as that's the actual type it's working on. Additionally, the declarations for types and functions are fully exposed so that compliation units don't have to guard certain functions from use because it's being compiled for multiple stages. Change-Id: I8db23ed400a59073e1e66522d020a5928f71f3a6 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/20902 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
2017-07-13src/include: add IS_ENABLED() around Kconfig symbol referencesMartin Roth
Change-Id: I2fbe6376a1cf98d328464556917638a5679641d2 Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/20354 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2017-07-13Rename __attribute__((packed)) --> __packedStefan Reinauer
Also unify __attribute__ ((..)) to __attribute__((..)) and handle ((__packed__)) like ((packed)) Change-Id: Ie60a51c3fa92b5009724a5b7c2932e361bf3490c Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: https://review.coreboot.org/15921 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-03-13src/include: Wrap lines at 80 columnsLee Leahy
Fix the following warning detected by checkpatch.pl: WARNING: line over 80 characters Changed a few comments to reduce line length. File src/include/cpu/amd/vr.h was skipped. TEST=Build and run on Galileo Gen2 Change-Id: Ie3c07111acc1f89923fb31135684a6d28a505b61 Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Reviewed-on: https://review.coreboot.org/18687 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2017-03-13src/include: Remove space between function name and parametersLee Leahy
Fix the following warning detected by checkpatch.pl: WARNING: Unnecessary space before function pointer arguments TEST=Build and run on Galileo Gen2 Change-Id: I2b56af20d5f74cc2625d3cb357fbb137bd440af0 Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Reviewed-on: https://review.coreboot.org/18660 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2017-03-13src/include: Fix space between type, * and variable nameLee Leahy
Fix the following errors detected by checkpatch.pl: ERROR: "foo * bar" should be "foo *bar" ERROR: "foo* bar" should be "foo *bar" ERROR: "foo*bar" should be "foo *bar" TEST=Build and run on Galileo Gen2 Change-Id: I5a3ff8b92e3ceecb4ddf45d8840454d5310fc6b3 Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Reviewed-on: https://review.coreboot.org/18655 Reviewed-by: Martin Roth <martinroth@google.com> Tested-by: build bot (Jenkins)
2017-03-12src/include: Remove braces for single statementsLee Leahy
Fix the following warning detected by checkpatch.pl: WARNING: braces {} are not necessary for single statement blocks TEST=Build and run on Galileo Gen2 Change-Id: I00b59f6a27c3acb393deaa763596363b7e958efd Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Reviewed-on: https://review.coreboot.org/18654 Tested-by: build bot (Jenkins) Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2017-03-09src/include: Add space after commaLee Leahy
Fix the following error detected by checkpatch.pl: ERROR: space required after that ',' (ctx:VxV) TEST=Build and run on Galileo Gen2 Change-Id: I297bfc3d03dc95b471d3bb4b13803e81963841b5 Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Reviewed-on: https://review.coreboot.org/18647 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2017-03-09src/include: Fix unsigned warningsLee Leahy
Fix warning detected by checkpatch.pl: WARNING: Prefer 'unsigned int' to bare use of 'unsigned' BRANCH=none BUG=None TEST=Build and run on Galileo Gen2 Change-Id: I23d9b4b715aa74acc387db8fb8d3c73bd5cabfaa Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Reviewed-on: https://review.coreboot.org/18607 Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com> Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Martin Roth <martinroth@google.com>
2016-09-04device/pci.h: change #ifdef argument to __SIMPLE_DEVICE__Antonello Dettori
Change the argument to #ifdef from __PRE_RAM__ to __SIMPLE_DEVICE__ in order to account for the coreboot stages that do not define device_t and are not __PRE_RAM__ (i.e. smm) device_t Change-Id: Ic6e9b504803622b60b5217c9432ce57caefc5065 Signed-off-by: Antonello Dettori <dev@dettori.io> Reviewed-on: https://review.coreboot.org/16369 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-02-03include/device: Move inline functions from pci_def.h to pci.hAlexandru Gagniuc
pci_def.h is supposed to only contain definitions, such that it may be included in assembly files. Declaration of functions in said file prevents that. Change-Id: I0f90a74291c8a2ef7a1e1027d2d2182f896050fb Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: https://review.coreboot.org/13300 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2015-09-05symbols: add '_' to pci_drivers and cpu_drivers symbolsAaron Durbin
In order to prepare for more unification of the linker scripts prefix pci_drivers, epci_drivers, cpu_drivers, and ecpu_drivers with an underscore. BUG=chrome-os-partner:44827 BRANCH=None TEST=Built different boards includes ones w/ and w/o relocatable ramstage. Change-Id: I8918b38db3b754332e8d8506b424f3c6b3e06af8 Signed-off-by: Aaron Durbin <adubin@chromium.org> Reviewed-on: http://review.coreboot.org/11506 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-06-04devicetree: Change scan_bus() prototype in device opsKyösti Mälkki
The input/output value max is no longer used for tracking the bus enumeration sequence, everything is handled in the context of devicetree bus objects. Change-Id: I545088bd8eaf205b1436d8c52d3bc7faf4cfb0f9 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8541 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-06-04PCI subsystem: Drop parameter max from scan_busKyösti Mälkki
Change-Id: Ib33d3363c8d42fa54ac07c11a7ab2bc7ee4ae8bf Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8539 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-04-22device: Add class and subclass name supportLee Leahy
Add support to display class and subclass names for PCI devices. BRANCH=none BUG=None TEST=Build and run on strago/cyan. Change-Id: I5136fae45b8a1cd02541f233d29a246cdfcd8331 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: a7c9b0d7201b09a06ea32f0db84187d15f767c80 Original-Change-Id: Ibf2ee89dd84040ca6ab0e52857a69f7ed0c28f37 Original-Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/263342 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Leroy P Leahy <leroy.p.leahy@intel.com> Original-Tested-by: Leroy P Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/9901 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-03-23PCIe: Add L1 Sub-State support.Kenji Chen
Enable L1 Sub-State when both root port and endpoint support it. [pg: keyed the feature to MMCONF_SUPPORT, otherwise boards without that capability fail to build.] Change-Id: Id11fc7c73eb865411747eef63f5f901e00a17f84 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 6ac04ad7e2261846e40da297f7fa317ccebda092 Original-BUG=chrome-os-partner:31424 Original-TEST=Build a image and run on Samus proto boards to check if the settings are applied correctly. I just only have proto boards and need someone having EVT boards to confirm the settings. Original-Signed-off-by: Kenji Chen <kenji.chen@intel.com> Original-Change-Id: Id1b5a52ff0b896f4531c4a6e68e70a2cea8c736a Original-Reviewed-on: https://chromium-review.googlesource.com/221436 Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/8832 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-07-19device/pci_early.c: Mixes up variants of a typedefs to 'u32'Edward O'Callaghan
Unfortunately coreboot has to deal with ROMCC's short comings which has lead to a little bit of confusion due to typedefs. Essentially, coreboot defines four typedefs: * 'typedef struct device * device_t' in ramstage not in SIMPLE_DEVICE mode * 'typedef u32 device_t' in romstage or when SIMPLE_DEVICE is defined * 'typedef u32 pnp_devfn_t' * 'typedef u32 pci_devfn_t' Some early functions make use of 'device_t' over 'pci_devfn_t' and since the C type-checker does not enforce typedefs to the same type 'u32' these are never noticed. Fix these so that 'device_t' does not conflict in romstage for later work. We later plan to have 'pnp_devfn_t' and 'pci_devfn_t' as the only variants of 'u32' and 'device_t' to be a struct pointer type exclusively. Change-Id: I948801f5be968a934798f1bad7722649758cd4d3 Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/6225 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-05-29PCI IRQs: Swizzle PCI IRQs for PCI bridgesMike Loptien
The PCI Specification states that devices that implement a bridge and a secondary bus must swizzle (rotate) the interrupt pins according to the table below: Child Dev # Child PIN Parent PIN 0,4,8,12... A/B/C/D A/B/C/D 1,5,9,13... A/B/C/D B/C/D/A 2,6,10,14.. A/B/C/D C/D/A/B 3,7,11,15.. A/B/C/D D/A/B/C Which is also described by this equation: PIN_parent = (Pin_child + Dev_child) % 4 When a device is found and its bus number is greater than 0, it is on a bridge and needs to be swizzled. Following the string of parents up to the root bus and swizzling as we go gives us the desired swizzling result. When BIOS_SPEW is defined, it will print out each step of the swizzling process. Change-Id: Icafeadd01983282c86e25f560c831c9482c74e68 Signed-off-by: Martin Roth <gaumless@gmail.com> Reviewed-on: http://review.coreboot.org/5734 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com> Reviewed-by: Mike Loptien <mike.loptien@se-eng.com>
2014-04-18build rules: Identify build stage with simple variablesKyösti Mälkki
Provide simple environment variables telling which stage of boot is being built. Also move this to arch-agnostic location. Change-Id: I8cbb5cf91f53e01c06e7d672b5be3f5c235f911d Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5410 Reviewed-by: Aaron Durbin <adurbin@google.com> Tested-by: build bot (Jenkins)
2014-04-09OxPCIe uart: Split PCI bridge controlKyösti Mälkki
None of the PCI bridge management here is specific to the PCI UART device/function. Also the Kconfig variable defaults are not globally valid, fill samsung/lumpy with working values. Change-Id: Id22631412379af1d6bf62c996357d36d7ec47ca3 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5237 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-02-12PCI: Add capability list parser to romstageKyösti Mälkki
These are almost one-to-one copies from pci_device.c. However, devicetree has not been enumerated yet and we have no console. Change-Id: Ic80c781626521d03adde05bdb1916acce31290ea Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5196 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Aaron Durbin <adurbin@google.com>
2014-02-12PCI: Guard pci.h with CONFIG_PCIKyösti Mälkki
Adding PCI functions for romstage in pci.h breaks ARMv7 build without this. Also fix two related includes to use pci_def.h instead. Change-Id: I5291eaf6ddf5a584f50af29cf791d2ca4d9caa71 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5199 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Aaron Durbin <adurbin@google.com>
2013-08-24Add test to match struct device with pci_devfn_tKyösti Mälkki
Add a function to test if pci_devfn_t matches with a device instance of struct device, by comparing bus:dev.fn. Change-Id: Ic6c3148ac62c7183246d83302ee504b17064c794 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/3474 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
2013-08-01Add directive __SIMPLE_DEVICE__Kyösti Mälkki
The tests for __PRE_RAM__ or __SMM__ were repeatedly used for detection if dev->ops in the devicetree are not available and simple device model functions need be used. If a source file build for ramstage had __PRE_RAM__ inserted at the beginning, the struct device would no longer match the allocation the object had taken. This problem is fixed by replacing such cases with explicit __SIMPLE_DEVICE__. Change-Id: Ib74c9b2d8753e6e37e1a23fcfaa2f3657790d4c0 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/3555 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
2013-07-25Redefine pci_bus_default_ops as functionKyösti Mälkki
Taking device_t as a parameter, this allows to alter the PCI config access handlers. This is useful to add tracing of PCI config writes for devices having problems to initialise correctly. On older AMD platform PCI MMIO may not be able to fully configure all PCI devices/nodes, while MMIO_SUPPORT_DEFAULT would be preferred due to its atomic nature. So those can be forced to IO config instead. Change-Id: I2162884185bbfe461b036caf737980b45a51e522 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/3608 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
2013-03-22x86: Unify arch/io.h and arch/romcc_io.hStefan Reinauer
Here's the great news: From now on you don't have to worry about hitting the right io.h include anymore. Just forget about romcc_io.h and use io.h instead. This cleanup has a number of advantages, like you don't have to guard device/ includes for SMM and pre RAM anymore. This allows to get rid of a number of ifdefs and will generally make the code more readable and understandable. Potentially in the future some of the code in the io.h __PRE_RAM__ path should move to device.h or other device/ includes instead, but that's another incremental change. Change-Id: I356f06110e2e355e9a5b4b08c132591f36fec7d9 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/2872 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-23 19:04:05 +0000