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coreboot-kgpe-d16/Documentation/acpi/index.md

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Documentation: Move ACPI documentation in a subindex Change-Id: I17c5263674b805a73d98aaa3e7090083905e37ef Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37242 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2019-11-26 14:18:11 +01:00
# ACPI-specific documentation
acpi: Change Processor ACPI Name (Intel only) The ACPI Spec 2.0 states, that Processor declarations should be made within the ACPI namespace \_SB and not \_PR anymore. \_PR is deprecated and is removed here for Intel CPUs only. Tested on: * X11SSH (Kabylake) * CFL Platform * Asus P8Z77-V LX2 and Windows 10 FWTS does not return FAIL anymore on ACPI tests Tested-by: Angel Pons <th3fanbus@gmail.com> Change-Id: Ib101ed718f90f9056d2ecbc31b13b749ed1fc438 Signed-off-by: Christian Walter <christian.walter@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37814 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2019-12-18 15:07:59 +01:00
This section contains documentation about coreboot on ACPI. coreboot dropped
backwards support for ACPI 1.0 and is only compatible to ACPI version 2.0 and
upwards.
Documentation: Move ACPI documentation in a subindex Change-Id: I17c5263674b805a73d98aaa3e7090083905e37ef Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37242 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2019-11-26 14:18:11 +01:00
acpi: Be more ACPI compliant when generating _UID * Add function to generate unique _UID using CRC32 * Add function to write the _UID based on a device's ACPI path ACPI devices that have the same _HID must use different _UID. Linux doesn't care about _UID if it's not used. Windows 10 verifies the ACPI code on boot and BSODs if two devices with the same _HID share the same _UID. Fixes BSOD seen on Windows 10. Change-Id: I47cd5396060d325f9ce338afced6af021e7ff2b4 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37695 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
2019-12-13 12:16:06 +01:00
- [SSDT UID generation](uid.md)
Documentation: Move ACPI documentation in a subindex Change-Id: I17c5263674b805a73d98aaa3e7090083905e37ef Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37242 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2019-11-26 14:18:11 +01:00
## GPIO
- [GPIO toggling in ACPI AML](gpio.md)
Documentation/acpi: Add links to ACPI specification Change-Id: I31250a914753136bc5d303e7ebccb3525cce0d86 Signed-off-by: Elyes Haouas <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/73034 Reviewed-by: Felix Singer <felixsinger@posteo.net> Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2023-02-14 07:44:52 +01:00
## ACPI specification - Useful links
- [ACPI Specification 6.5](https://uefi.org/specs/ACPI/6.5/index.html)
- [ASL 2.0 Syntax](https://uefi.org/specs/ACPI/6.5/19_ASL_Reference.html#asl-2-0-symbolic-operators-and-expressions)
- [Predefined ACPI Names](https://uefi.org/specs/ACPI/6.5/05_ACPI_Software_Programming_Model.html#predefined-acpi-names)