| commit | 0ffdeef681f5f17b1aa66d9b99f5501089ea7b1a | [log] [tgz] |
|---|---|---|
| author | Bill XIE <persmule@gmail.com> | Wed Feb 27 13:22:33 2019 +0800 |
| committer | Patrick Georgi <pgeorgi@google.com> | Tue Sep 17 08:18:54 2019 +0000 |
| tree | e75c98e32fff114692aab0630a8f97ecba34eb80 | |
| parent | eb5fa79723affe6d95dd4b2d56d6205bf396b6ef [diff] |
mb/lenovo/t430s: Open PCIe port #5 for Thunderbolt controller Some T430s variants have a Thunderbolt controller wired to PCIe port The controller hotplugs itself to the chipset when a downstream device is hotplugged into it, so the hotplug capability should be enabled on PCIe port #5. TODO: find the correct gpio pin to detect the Thunderbolt controller at runtime. There are 3 variants of mainboard for Thinkpad T430s: Basic type (Wistron LSN-4 11263-1), Boards with an additional discreet GPU, Boards with an additional TB controller (Wistron LSN-4 11271-1), each of which has a different schematic. The gpio27 on the last type is set as set as GPIO-INPUT, compared with GPIO-OUTPUT-HIGH on the basic type boards. Change-Id: I61f41db100f398069e50e2da8a378b3a8d1c84bf Signed-off-by: Bill XIE <persmule@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31631 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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.
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.
coreboot supports a wide range of chipsets, devices, and mainboards.
For details please consult:
ANY_TOOLCHAIN Kconfig option if you're feeling lucky (no support in this case).Optional:
make menuconfig and make nconfig)Please consult https://www.coreboot.org/Build_HOWTO for details.
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.
Further details on the project, a FAQ, many HOWTOs, news, development guidelines and more can be found on the coreboot website:
You can contact us directly on the coreboot mailing list:
https://www.coreboot.org/Mailinglist
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.