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cos / mirrors / cros / chromiumos / third_party / coreboot / 84d7877e6f6dea3f4d12af10644bee3ab32a81cf
commit84d7877e6f6dea3f4d12af10644bee3ab32a81cf[log] [tgz]
authorJason Le <jason.v.le@intel.com>Thu Aug 27 15:16:32 2020 -0700
committerCommit Bot <commit-bot@chromium.org>Wed Oct 07 01:46:01 2020 +0000
tree1afb16d48de7c62d804102baad97fc7a5485dc5a
parent0424ca34bcccdff659381e8fdb4e03ce9ef3804f [diff]
UPSTREAM: mb/intel/tglrvp/variants/tglrvp_up4 - Enable onboard HDMI and type-C displays for TGL-Y RVP

- Enable DDC pins for DDI-B
- Enable HPD pins for DDI-1/DDI-2
- Update MPHY/USB2 Mapping to match with the TGL-Y RVP schematic

BUG: System not able to detect displays attached to onboard micro-HDMI or Type-C connectors
TEST: hot-plug/unplug HDMI displays with onboard micro-HDMI connector and USB Type-C connectors to make sure the displays get detected and enabled

BUG=none
BRANCH=none
TEST=none

Change-Id: I325f469fa8b6d0e9f3d52ec02e3c5b65589fa642
Signed-off-by: Martin Roth <gaumless@gmail.com>
Original-Commit-Id: 2b3416134fa2f1400b764666dd7f1953915029a8
Original-Change-Id: I08a1b16a8fa45cf0f366661395b9f2aa25c44935
Original-Signed-off-by: Jason Le <jason.v.le@intel.com>
Original-Reviewed-on: https://review.coreboot.org/c/coreboot/+/45016
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Original-Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2445927
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: Martin Roth <martinroth@google.com>
Commit-Queue: Martin Roth <martinroth@google.com>
1 file changed
tree: 1afb16d48de7c62d804102baad97fc7a5485dc5a
  1. configs/
  2. Documentation/
  3. LICENSES/
  4. payloads/
  5. src/
  6. tests/
  7. util/
  8. .checkpatch.conf
  9. .clang-format
  10. .editorconfig
  11. .gitignore
  12. .gitmodules
  13. .gitreview
  14. AUTHORS
  15. COPYING
  16. gnat.adc
  17. MAINTAINERS
  18. Makefile
  19. Makefile.inc
  20. PRESUBMIT.cfg
  21. README.md
  22. toolchain.inc
README.md

coreboot README

coreboot is a Free Software project aimed at replacing the proprietary BIOS (firmware) found in most computers. coreboot performs a little bit of hardware initialization and then executes additional boot logic, called a payload.

With the separation of hardware initialization and later boot logic, coreboot can scale from specialized applications that run directly firmware, run operating systems in flash, load custom bootloaders, or implement firmware standards, like PC BIOS services or UEFI. This allows for systems to only include the features necessary in the target application, reducing the amount of code and flash space required.

coreboot was formerly known as LinuxBIOS.

Payloads

After the basic initialization of the hardware has been performed, any desired “payload” can be started by coreboot.

See https://www.coreboot.org/Payloads for a list of supported payloads.

Supported Hardware

coreboot supports a wide range of chipsets, devices, and mainboards.

For details please consult:

Build Requirements

  • make
  • gcc / g++ Because Linux distribution compilers tend to use lots of patches. coreboot does lots of “unusual” things in its build system, some of which break due to those patches, sometimes by gcc aborting, sometimes - and that‘s worse - by generating broken object code. Two options: use our toolchain (eg. make crosstools-i386) or enable the ANY_TOOLCHAIN Kconfig option if you’re feeling lucky (no support in this case).
  • iasl (for targets with ACPI support)
  • pkg-config
  • libssl-dev (openssl)

Optional:

  • doxygen (for generating/viewing documentation)
  • gdb (for better debugging facilities on some targets)
  • ncurses (for make menuconfig and make nconfig)
  • flex and bison (for regenerating parsers)

Building coreboot

Please consult https://www.coreboot.org/Build_HOWTO for details.

Testing coreboot Without Modifying Your Hardware

If you want to test coreboot without any risks before you really decide to use it on your hardware, you can use the QEMU system emulator to run coreboot virtually in QEMU.

Please see https://www.coreboot.org/QEMU for details.

Website and Mailing List

Further details on the project, a FAQ, many HOWTOs, news, development guidelines and more can be found on the coreboot website:

https://www.coreboot.org

You can contact us directly on the coreboot mailing list:

https://www.coreboot.org/Mailinglist

Copyright and License

The copyright on coreboot is owned by quite a large number of individual developers and companies. Please check the individual source files for details.

coreboot is licensed under the terms of the GNU General Public License (GPL). Some files are licensed under the “GPL (version 2, or any later version)”, and some files are licensed under the “GPL, version 2”. For some parts, which were derived from other projects, other (GPL-compatible) licenses may apply. Please check the individual source files for details.

This makes the resulting coreboot images licensed under the GPL, version 2.