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path: root/src/southbridge/intel/i82801dx/fadt.c
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2021-01-18ACPI: Select ACPI_SOC_NVS only where suitableKyösti Mälkki
Having some symmetry with <soc/nvs.h> now allows to reduce the amount of gluelogic to determine the size and cbmc field of struct global_nvs. Since GNVS creation is now controlled by ACPI_SOC_NVS, drivers/amd/agesa/nvs.c becomes obsolete and soc/amd/cezanne cannot have this selected until <soc/nvs.h> exists. Change-Id: Ia9ec853ff7f5e7908f7e8fc179ac27d0da08e19d Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/49344 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Lance Zhao
2021-01-10ACPI: Drop redundant CBMEM_ID_ACPI_GNVS allocationsKyösti Mälkki
Allocation now happens prior to device enumeration. The step cbmem_add() is a no-op here, if reached for some boards. The memset() here is also redundant and becomes harmful with followup works, as it would wipe out the CBMEM console and ChromeOS related fields without them being set again. Change-Id: I9b2625af15cae90b9c1eb601e606d0430336609f Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/48701 Reviewed-by: Lance Zhao Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Nico Huber <nico.h@gmx.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-09-21src/southbridge: Drop unneeded empty linesElyes HAOUAS
Change-Id: I02aa1e2a9a9061b34b91f832d96123a8595d61b7 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44592 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
2020-08-18sb/intel/{i82371eb,i82801dx}/fadt.c: Use macro for iapc_boot_archElyes HAOUAS
Change-Id: Ie5e44be06da8a84c9cff42e07af1a7387faad533 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44522 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2020-07-21src: Use ACPI macrosElyes HAOUAS
Change-Id: I2cf11b784299708f02fd749dcb887b6d25f86f5b Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43552 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-07-20sb/intel/i82801dx/fadt.c: Use ACPI_ADDRESS_SPACE_IOAngel Pons
Tested with BUILD_TIMELESS=1, AOpen DXPL Plus-U remains identical. Change-Id: I80ec4d0d6a8ec0dc02b377cfa3f3b5f0362dbb6c Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43431 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Maxim Polyakov <max.senia.poliak@gmail.com>
2020-07-20src: Make HAVE_CF9_RESET set the FADT reset registerAngel Pons
All supported x86 chips select HAVE_CF9_RESET, and also use 0xcf9 as reset register in FADT. How unsurprising. We might as well use that information to automatically fill in the FADT accordingly. So, do it. To avoid having x86-specific code under arch-agnostic `acpi/`, create a new optional `arch_fill_fadt` function, and override it for x86 systems. Tested on Asus P8Z77-V LX2 with Linux 5.7.6 and Windows 10 at the end of the patch train, both operating systems are able to boot successfully. Change-Id: Ib436b04aafd66c3ddfa205b870c1e95afb3e846d Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43389 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
2020-07-20src: Drop useless cache flush settings in FADTAngel Pons
They are ignored if the ACPI_FADT_WBINVD flag is set, which is required on current ACPI versions and only maintained for ACPI 1.0 compatibility. Tested on Asus P8Z77-V LX2 with Linux 5.7.6 and Windows 10 at the end of the patch train, both operating systems are able to boot successfully. Change-Id: Ief1219542ba71d18153b64180e0ff60bd1e7687b Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43390 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
2020-07-20src: Never overwrite `fadt->flags`Angel Pons
Instead, just flip the desired bits using bitwise operations. As this is initially zero, the resulting value is the same. This allows flags to be set from anywhere regardless of execution order. Tested on Asus P8Z77-V LX2 with Linux 5.7.6 and Windows 10 at the end of the patch train, both operating systems are able to boot successfully. Change-Id: Icfd580a20524936cd0adac574331b09fb2aea925 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43387 Reviewed-by: Nico Huber <nico.h@gmx.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-07-20sb/intel/i82801dx: Declare reset register in FADTAngel Pons
According to Intel Document 290744 (ICH4 datasheet), 0xcf9 is the reset register, and setting bits 1 and 2 will result in a hard reset. Change-Id: Id1a532857d9643d222d61c3902faadd471ae2a9a Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43384 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
2020-07-20sb/intel/i82801dx: Drop unneeded PM2 settings from FADTAngel Pons
The PM2_CNT register block is not present on this southbridge, as per Intel Document 290744 (ICH4 datasheet). Also, the ACPI specification, version 6.3, section 4.8.1.3 (PM2 Control Register), says: This register block is optional, if not supported its block pointer and length contain a value of zero. Since the FADT struct defaults to zero in coreboot, we don't need to do anything to indicate PM2_CNT is not supported. So, drop unneeded values. Also delete a comment about `pm2_cnt_len`, which said that the right value differs from zero. Looks like that comment was wrong instead. Change-Id: Icbb32f5db7b368c764b3477c40f8ae9c788df5ee Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43383 Reviewed-by: Nico Huber <nico.h@gmx.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-07-20src: Drop useless PM1b settings from FADTAngel Pons
None of the currently-supported chips has PM1b_EVT nor PM1b_CNT event register blocks. According to the ACPI specification, version 6.3, sections 4.8.1.1 and 4.8.1.2 (PM1 Event/Control Registers): If the PM1b_EVT_BLK is not supported, its pointer contains a value of zero in the FADT. If the PM1b_CNT_BLK is not supported, its pointer contains a value of zero in the FADT. Since the FADT struct defaults to zero in coreboot, we don't need to do anything with PM1b for now. So, drop unneeded writes to PM1b fields. Tested on Asus P8Z77-V LX2 with Linux 5.7.6 and Windows 10 at the end of the patch train, both operating systems are able to boot successfully. Change-Id: Iff788b2ff17ba190a8dd9b0b540f1ef059a1a0ea Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43380 Reviewed-by: Patrick Rudolph <siro@das-labor.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-07-20src: Drop useless GPE1 settings from FADTAngel Pons
None of the currently-supported chips has a GPE1 block. The ACPI spec, version 6.3, section 4.8.1.6 (General-Purpose Event Registers) says: If a generic register block is not supported then its respective block pointer and block length values in the FADT table contain zeros. Since the FADT struct defaults to zero in coreboot, we don't need to do anything with GPE1 for now. So, drop the unneeded writes to GPE1 fields. Tested on Asus P8Z77-V LX2 with Linux 5.7.6 and Windows 10 at the end of the patch train, both operating systems are able to boot successfully. Change-Id: Iefc4bbc6e16fac12e0a9324d5a50b20aad59a6cd Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43379 Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Michael Niewöhner Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-07-14src: Remove unused 'include <string.h>'Elyes HAOUAS
Found using: diff <(git grep -l '#include <string.h>' -- src/) <(git grep -l 'STRINGIFY\|memcpy\|memmove\|memset\|memcmp\|memchr\|strdup\|strconcat\|strnlen\|strlen\|strchr\|strncpy\|strcpy\|strcmp\|strncmp\|strspn\|strcspn\|strtok_r\|strtok\|atol\|strrchr\|skip_atoi\|snprintf' -- src/) |grep -v vendorcode |grep '<' Change-Id: I12802d0a6254b2fa39d59f485008bb2012f7b32d Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41913 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-06-10sb/intel, ACPI: Do not override FADT preferred_pm_profileKyösti Mälkki
Setting preferred_pm_profile under sb/ overrides the default determined from SYSTEM_TYPE_xx (or possibly SMBIOS_ENCLOSURE_TYPE with followup work). This is not desireable. Boards need to either select a pre-defined SYSTEM_TYPE_xx or provide board-specific mainboard_fill_fadt() should they need to change this. As they already select SYSTEM_TYPE_LAPTOP, following boards will maintain PM_MOBILE: lenovo/t400 lenovo/x200 roda/rk9 Following will change to PM_DESKTOP: aopen/dxplplusu asus/p2b emulation/qemu-i440fx emulation/qemu-q35 Change-Id: I2986eb0a8abc94507e9797cc8b64611ae4bd888a Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42186 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
2020-06-10aopen/dxplplusu,intel/i82801dx: Select COMMON_FADTKyösti Mälkki
Move existing fadt.c file under southbridge. Change-Id: Ie2fdc715e4d1af347d25b51e83189f28cd9af014 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41923 Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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