As per guidelines CPU security level should be dropped before OS start,
so that certain MSRs are locked out. Drop privilege levels on all logical
CPUs.
BUG=chrome-os-partner:60454
TEST=iotools rdmsr x 0x120, make sure bit 6 is set, rdmsr x 0x121 results
in io error.
Change-Id: I67540f6da16f58b822db9160d00b7a5e235188db
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/17665
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Currently we enable ACPI PM timer emulation only on BSP. So the timer
doesn't work on other cores and that breaks OSes that use it. Also,
microcode uses this information to figure out ACPI IO base, and that
is used for other features. This patch enables ACPI timer emulation
on all the logical CPUs.
BUG=chrome-os-partner:60011
TEST=iotools rdmsr x 0x121, x={0..3}, make sure it is set
Change-Id: I0d6cb8761c1c25d3a2fcf59a49c1eda9e4ccc70c
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/17663
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
In the ACPI header there's an OEM revision field that was previously
just being implicitly set to 0. Allow for a board to provide a
non-zero value for this field.
Change-Id: Icd40c1c162c2645b3990a6f3361c592706251f82
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17650
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Instead of putting all the functions inline just put the
current implementation into a C file. That way all the implementation
innards are not exposed.
Lastly, fix up the fallout of compilation units not including the
headers they actually use.
Change-Id: I01fd25d158c0d5016405b73a4d4df3721c281b04
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17648
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Instead of having callers query the romstage handoff resume
status by inspecting the object themselves add
romstage_handoff_is_resume() so that the same information
can be queried easily.
Change-Id: I40f3769b7646bf296ee4bc323a9ab1d5e5691e21
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17647
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
The same pattern was being used throughout the code base
for initializing the romstage handoff structure. Provide
a helper function to initialize the structure with the S3
resume state then utilize it at all the existing call sites.
Change-Id: I1e9d588ab6b9ace67757387dbb5963ae31ceb252
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17646
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
In bootblock, cpu flex ratio is set to non-turbo max.
In FSP UPD, if CpuRatioOverride is zero, then it tries to program cpu
ratio to zero. Since it is different than the non-zero value programmed
in bootblock, FSP gives reset.
To avoid the reset, set FSP UPD for CPU flex ratio override to that
value as set in bootblock.
Change-Id: I8cae5530ec97cedfbd71771f291db6f55a9fd5c2
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/17555
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
FSP 2.0 implementation conditionally sets PMRR base based on
EnableC6Dram UPD. Therefore, handle the case of the PMRR base not being
set since FSP 2.0 changed behavior from FSP 1.1 implementation.
If prmrr base is non-zero value, then top_of_ram is prmrr base.
If Probeless trace is enabled, then deduct trace memory size from
calculated top_of_ram.
Change-Id: I2633bf78705e36b241668a313d215d0455fba607
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/17554
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
In FSP 2.0 the UPD to send extra VR Mailbox commands is switched from
SendVrMbxCmd to SendVrMbxCmd1. Use the same in silicon initialization.
Change-Id: I46bd50c9acc0456e2483f20ccb5e9ec2a0de232a
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-on: https://review.coreboot.org/17578
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1. Move existing IO decode range from pch_lpc_init to early
stage before SIO init.
2. At the same time, enable SIO decode range (0x2e/0x2f)
for platform which use super IO.
Change-Id: I72df16d0a784686d8cadfbee09b5aef60576ac43
Signed-off-by: Teo Boon Tiong <boon.tiong.teo@intel.com>
Reviewed-on: https://review.coreboot.org/17337
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Legacy PME are enabled by default in FSP UPD region.
When Legacy PME is enabled, then an SCI is generated and should be
handled by OS and BIOS/Coreboot in collboration. OS requires some
ACPI methods (eg _L69) which help to determine the wake source and also
to clear some registers. But this infrastructure is not present as of
now in coreboot and also linux handles PMEs natively.
Hence the SCI was never handled by OS and the status bits were never
cleared i.e., PCI_EXP_STS.
For this reason the level triggered SCI will remain active and the
system will wake up as soon as it enters S3.
To fix this, diabled Legacy PME (PmSci for Root ports).
Change-Id: I61317eb45305bdb14be3cc1a54fd9961d6ed593e
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/17553
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Apollolake MRC cache is divided into two regions: constant and variable.
Currently they are clubbed together. Since variable data changes across
cold reboot it triggers invalidation of the whole cache region. This
change declubs the data, adds routines to load/store variable data on
flash.
BUG=chrome-os-partner:57515
TEST=with patch series applied: cold reboot, make sure MRC is not
updated. Do S3 suspend/resume cycle.
Change-Id: I374519777abe9b9a1e6cceae5318decd405bb527
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/17237
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Piggy-back on existing MRC cache infrastructure to store variable MRC data.
Only one set of data can be valid at given point of time. Currently this
magically happens because region alignment is forced to 0x1000 and region
itself is of the same size. This needs to be somehow programmatically
enforced.
Change-Id: I8a660d356ca760b8ff9907396fb9b34cb16cf1db
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/17320
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Current implementation checks for CONFIG_BOOTBLOCK_CONSOLE and then
initializes UART. If only CONFIG_BOOTBLOCK_CONSOLE
is enabled without enabling CONFIG_UART_DEBUG, there are
compilation issues. This is the case when using SIO UART for Skylake
DT platform. Hence initialize UART when CONFIG_UART_DEBUG is enabled
and not based on CONFIG_BOOTBLOCK_CONSOLE.
Also move BOOTBLOCK_CONSOLE out from UART_DEBUG to CPU_SPECIFIC_OPTIONS
as part of the fix needed.
Change-Id: Id422a55a68d64a06fc874bddca46b0ef5be6d596
Signed-off-by: Teo Boon Tiong <boon.tiong.teo@intel.com>
Reviewed-on: https://review.coreboot.org/17349
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Define early smbus functions that can be used by mainboard to fetch spd.
Change-Id: Id170b2b8e6fb3ebb147f37bf433a27d1162dc11c
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/17433
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
FPR is an attribute of the SPI flash component and not of the SPI bus
itself. Rename functions, file names and Kconfig option to make sure
this is conveyed correctly.
BUG=None
BRANCH=None
TEST=Compiles successfully.
Change-Id: I9f06f1a8ee28b8c56db64ddd6a19dd9179c54f50
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17560
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
flash_programmer_probe is a property of the spi flash driver and does
not belong in the spi_slave structure. Thus, make
spi_flash_programmer_probe a callback from the spi_flash_probe
function. Logic still remains the same as before (order matters):
1. Try spi_flash_programmer_probe without force option
2. Try generic flash probing
3. Try spi_flash_programmer_probe with force option
If none of the above steps work, fail probing. Flash controller is
expected to honor force option to decide whether to perform specialized
probing or to defer to generic probing.
BUG=None
BRANCH=None
TEST=Compiles successfully
Change-Id: I4163593eea034fa044ec2216e56d0ea3fbc86c7d
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17465
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
RW flag was added to spi_slave structure to get around a requirement on
some AMD flash controllers that need to group together all spi volatile
operations (write/erase). This rw flag is not a property or attribute of
the SPI slave or controller. Thus, instead of saving it in spi_slave
structure, clean up the SPI flash driver interface. This allows
chipsets/mainboards (that require volatile operations to be grouped) to
indicate beginning and end of such grouped operations.
New user APIs are added to allow users to perform probe, read, write,
erase, volatile group begin and end operations. Callbacks defined in
spi_flash structure are expected to be used only by the SPI flash
driver. Any chipset that requires grouping of volatile operations can
select the newly added Kconfig option SPI_FLASH_HAS_VOLATILE_GROUP and
define callbacks for chipset_volatile_group_{begin,end}.
spi_claim_bus/spi_release_bus calls have been removed from the SPI flash
chip drivers which end up calling do_spi_flash_cmd since it already has
required calls for claiming and releasing SPI bus before performing a
read/write operation.
BUG=None
BRANCH=None
TEST=Compiles successfully.
Change-Id: Idfc052e82ec15b6c9fa874cee7a61bd06e923fbf
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17462
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Make MMCONF_SUPPORT selected with MMCONF_SUPPORT_DEFAULT.
Platforms that remain to have explicit MMCONF_SUPPORT are
ones that should be converted.
Change-Id: Iba8824f46842607fb1508aa7d057f8cbf1cd6397
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/17527
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Stage cache will save ~20ms on S3 resume for apollolake platforms.
Implementing the cache in ramstage to save silicon init and reload
it on resume. This patch adds passing S3 status to silicon init in
order to verify that the wake is from S3 and not for some other
reason. This patch also includes changes needed for quark and
skylake platforms that require fsp 2.0.
BUG=chrome-os-partner:56941
BRANCH=none
TEST=built for reef and tested boot and S3 resume path saving 20ms
Change-Id: I99dc93c1d7a7d5cf8d8de1aa253a326ec67f05f6
Signed-off-by: Brandon Breitenstein <brandon.breitenstein@intel.com>
Reviewed-on: https://review.coreboot.org/17460
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
The wrong value was used for reporting an error when a requested
bus speed was made that isn't supported. Use the requested value.
Change-Id: I6c92ede3d95590d95a42b40422bab88ea9ae72a1
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17474
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
If the SoC clock speed is not supported there is supposed to
be an error printed. However, the value printed was wrong which
was dereferencing a NULL struct. Fix that.
Change-Id: I5021ad8c1581d1935b39875ffa3aa00b594c537a
Found-by: Coverity Scan #1365977
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17468
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Align top of stack to 8 bytes, value documented as FSP1.1 requirement.
Also fix some cases of uintptr_t casted to unsigned long.
Change-Id: I5bbd100eeb673417da205a2c2c3410fef1af61f0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/17461
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Before the PcdeMMCBootMode in the Updatable Product Date was always
assigned and didn't take into account the + 1 increment for the default
define.
Now if the configuration indicates that the device tree should be
followed PcdeMMCBootMode is initially disabled. Else if configuration
isn't the default, assign the value with the + 1 increment substracted.
TEST=Intel/MinnowMax
Change-Id: I6755eb585d1afe3a15f83347fba834766eb44ad2
Signed-off-by: David Imhoff <dimhoff_devel@xs4all.nl>
Reviewed-on: https://review.coreboot.org/10165
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
Log the values of PcdEnableLpe and PcdeMMCBootMode even if they are
outside of the expected range.
TEST=Intel/MinnowMax
Change-Id: Ie0aea4287234b23d4e9852f3991dcc78ce8103d9
Signed-off-by: David Imhoff <dimhoff_devel@xs4all.nl>
Reviewed-on: https://review.coreboot.org/10164
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
BIOS needs to ensure that SPI write does not cross 256-byte
boundary. Else, if the write is across 256-byte boundary, then it
corrupts the block by wrapping write to start of current block. Thus,
ensure nuclear_spi_{read,write} operate within a single 256-byte block
only at a time.
BUG=chrome-os-partner:59813
BRANCH=None
TEST=Verified that elog writes do not corrupt the event log when write
is across 256-byte blocks.
Change-Id: I854ca2979d65b9f1232f93182cb84d4dee4f4139
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17419
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This patch adds punit initialization code after
FspMemoryInit so that turbo can be initialized after
that.
BUG=chrome-os-partner:58158
BRANCH=None
Change-Id: I4939da47da82b9a728cf1b5cf6d5ec54b4f5b31d
Signed-off-by: Shaunak Saha <shaunak.saha@intel.com>
Reviewed-on: https://review.coreboot.org/17203
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This patch reduces the thermal time window to 100 milliseconds
for fast throttling action at prochot.
BUG=chrome-os-partner:59397
BRANCH=None.
TEST=Built for skylake platform and verified the thermal time
window value.
Change-Id: If79d213cb8e19277ffdb882267d2f8672df93446
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/17384
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
If the boot media is memory mapped temporarily mark it as write
protect MTRR type so that memory-mapped accesses are faster.
Depthcharge payload loading was sped up by 75ms using this.
BUG=chrome-os-partner:56656,chrome-os-partner:59682
Change-Id: Iba87a51a05559d81b8e00fa4f6824dacf7a661f5
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17372
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
The default register count calculations are leading to higher
frequencies than expected. Provide an alternative method for
calculating the register counts by utilizing the rise and
fall times of the bus. If the rise time is supplied the
rise/fall time values are used, but the register overrides
take precedence over the rise/fall time calculation. This
allows platforms to choose whichever method works the best.
BUG=chrome-os-partner:58889
Change-Id: I7747613ce51d8151848acd916c09ae97bfc4b86a
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17350
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
The apollolake and skylake had duplicate stanzas of code for
initializing the i2c buses. Additionally, they also had very
similar structures for providing settings for the i2c speed
control. Introduce a new struct lpss_i2c_bus_config and
utilize it in both apollolake and skylake thereby removing
the need for SoC-specific structres. The new structure is
used for initializing a bus fully as the lpss i2c API is
simplified in that lpss_i2c_init() is only required to be
called. The struct lpss_i2c_bus_config structure is passed
in for both initializing and filling in the SSDT information.
The formerly exposed functions are made static to reduce the
external API exposure.
BUG=chrome-os-partner:58889
Change-Id: Ib4fa8a7a4de052da75c778a7658741a5a8e0e6b9
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17348
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
In preparation of merging the lpss i2c config structures on
apollolake and skylake move the i2c voltage variable to its
own field. It makes refactoring things easier, and then there's
no reason for a separate SoC specific i2c config structure.
BUG=chrome-os-partner:58889
Change-Id: Ibcc3cba9bac3b5779351b673bc0cc7671d127f24
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17347
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
1. Re-factor MRC cache driver to properly select RW_MRC_CACHE or
RECOVERY_MRC_CACHE based on the boot mode.
- If normal mode boot, use RW_MRC_CACHE, if available.
- If recovery mode boot:
- Retrain memory if RECOVERY_MRC_CACHE not present, or recovery is
requested explicity with retrain memory request.
- Use RECOVERY_MRC_CACHE otherwise.
2. Protect RW and RECOVERY mrc caches in recovery and non-recovery boot
modes. Check if both are present under one unified region and protect
that region as a whole. Else try protecting individual regions.
3. Update training data in appropriate cache:
- Use RW_MRC_CACHE if normal mode.
- Use RECOVERY_MRC_CACHE if present in recovery mode. Else use
RW_MRC_CACHE.
4. Add proper debug logs to indicate which training data cache is used
at any point.
BUG=chrome-os-partner:59352
BRANCH=None
TEST=Verified that correct cache is used in both normal and recovery
mode on reef.
Change-Id: Ie79737a1450bd1ff71543e44a5a3e16950e70fb3
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17242
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
chip.h has a config array PcieRpClkReqNumber which corresponds
to a FSP UPD parameter, the size is currently set to 20.
However the size of PcieRpClkReqNumber UPD in FSP2.0 is 24,
so memcpy (config buffer to UPD buffer) in chip_fsp20.c will read
beyond the bounds of config array.
Hence set the size of PcieRpClkReqNumber array based on the FSP in use.
Found-by: Coverity Scan #1365385, #1365386
Change-Id: I937f68ef33f218cd7f9ba5cf3baaec162bca3fc8
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-on: https://review.coreboot.org/17292
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This patch updates below info,
[1] Delete the DPTF_CPU_ACTIVE_AC* values because these are not
being used. Hence, removing unnecessary defines.
[2] Add new DPTF_TSR0_ACTIVE_AC* temperature trip points for TSR0
external thermal sensor. These trip points are being used by _ACx
methods to control the fan speed on Skylake-U fan based Lars and
Kunimitsu platforms.
[3] Follow up patches are using DPTF_CPU_ACTIVE_AC* temperature trip
points in board specific acpi/dptf.asl (for lars, kunimitsu, etc) to
control the fan speed as per the CPU temperature trip points.
[4] Newly added _ACx methods for thermal sensor TSR0 in this patch
has nothing to do with DPTF_CPU_ACTIVE_AC*.
We can control fan speed using various different thermal sensors.
In this patch, we have added new _ACx methods for TSR0 thermal sensor.
We run the fan at different speeds to cool down the system at different
TSR0 temperatures.
Similarly, we considered CPU sensor temperature values and ran the fan
at different speeds to cool down the system.
BUG=chrome-os-partner:51025
BRANCH=firmware-glados-7820.B
TEST=Built and booted on kunimitsu and lars EVT boards.
Verified these _ACx methods with _ART table on these boards
with different workloads.
Change-Id: Ia7b81e03da936c4a0f69057e43f18efd7c3b9f17
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/332368
Reviewed-on: https://review.coreboot.org/17067
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
When doing long transcations on an I2C bus at standard speed we saw
that long transactions could go over the 4ms limit while waiting for
it to complete on the bus.
Increase this so we can use standard speed for testing and debug in
firmware. (as there is no way to force standard speed in the kernel)
BUG=chrome-os-partner:58666
TEST=boot eve board with cr50 TPM and I2C bus at 100khz
Change-Id: I2987ae6a5aa024b373eb088767194c70b0918b6f
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/17213
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
When reading+clearing a GPE for use as an interrupt we need to
re-read the status register and keep setting the clear bit until
it actually reads back clear. Also add a 1ms timeout in case the
status never clears.
This is needed if a device sends a longer interrupt pulse and it
is still asserted when the "ISR" goes to clear the status.
BUG=chrome-os-partner:59299
TEST=test cr50 TPM with 20us pulse to ensure it can successfully
communicate with the TPM and does not get confused due to seeing
interrupts that it should not.
Change-Id: I384f484a1728038d3a355586146deee089b22dd9
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/17212
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
A dedicated pmc_ipc DSDT entry is required for pmc_ipc kernel driver.
The ACPI mode entry includes resources for PMC_IPC1, SRAM, ACPI IO and
Punit Mailbox.
BRANCH=None
BUG=chrome-os-partner:57364
TEST=Boot up into OS successfully and check with dmesg to see the
driver has been loaded successfully without errors.
Change-Id: Ib0a300febe1e7fc1796bfeca1a04493f932640e1
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/17181
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
SATA device remains unrecognized if connected at Port 2.
Port control and Status register (PCS) is by default set by
hardware to the disabled state as a result of an initial
power on reset. OS read PCS register during boot causes
disabling of SATA ports and can't detect any devices.
BRANCH=none
BUG=chrome-os-partner:59335
TEST=Build and boot SKL from SATA device connected at Port 2.
Change-Id: I4866ca44567f5024edaca2d48098af5b4c67a7ac
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/17229
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Avoid use of Local0 variable in TEVT acpi method.
If mainboard doesn't expose any thermal sensor, then warning is
generated for variable Local0 not been used.
Change-Id: I0634961a01144e41a8480c8c6ed8b7fdd358e768
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/17245
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
