CB:51638 separated Chrome OS NVS from global NVS by allocating it
separately in CBMEM. CNVS is used in depthcharge to fill firmware
information at boot time. Thus, location of CNVS needs to be shared in
coreboot tables for depthcharge to use.
This change adds a new coreboot table tag
`CB_TAG_ACPI_CNVS`/`CB_TAG_ACPI_CNVS`(0x41) which provides the
location of CNVS in CBMEM to payload (depthcharge).
Additionally, CB:51639 refactored device nvs(DNVS) and moved it to the
end of GNVS instead of the fixed offset 0x1000. DNVS is used on older
Intel platforms like baytrail, braswell and broadwell and depthcharge
fills this at boot time as well. Since DNVS is no longer used on any
new platforms, this information is not passed in coreboot
tables. Instead depthcharge is being updated to use statically defined
offsets for DNVS.
BUG=b:191324611, b:191324611
TEST=Verified that `crossystem fwid` which reads fwid information from
CNVS is reported correctly on brya.
Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: I3815d5ecb5f0b534ead61836c2d275083e397ff0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55665
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Reviewed-by: Ivy Jian <ivy_jian@compal.corp-partner.google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Using existing defines instead of magic values improves readability of
the code. Also add comments to the MADT IRQ overrides to make it clearer
what those actually do.
TEST=Timeless build results in identical binary for amd/gardenia
(Stoneyridge), amd/mandolin (Picasso) and amd/majolica (Cezanne)
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I224ffbe8eb65bcdd5fc70c0ff8b15d55b3f6be01
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55613
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
GPP_A19(DP_HPD1) and GPP_A20(DP_HPD2) were configured native function
(NF1), this causes redundancy with legacy HPD interruption.
This change configures GPP_A19 and GPP_A20 to be no connection and
disables DdiPort1Hpd and DdiPort2Hpd.
BUG=None
TEST=Boot to kernel and verified no kernel HPD pins assertion message.
Signed-off-by: Bernardo Perez Priego <bernardo.perez.priego@intel.com>
Change-Id: I80ef40a1aca19cd6ad56219175d2fd40890a393d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55548
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sanrio Alvares <sanrio.alvares@intel.com>
Reviewed-by: Bora Guvendik <bora.guvendik@intel.com>
google_chromeec_get_event returns an event number and 0 when there's no event.
This function is usually called in a loop until there are no more events, so
it makes sense to return 0 (i.e. no event) when there's an error.
BUG=b:184074997
TEST=Boot guybrush, no ec errors
Change-Id: I6c0186e4637af9ae24f45cce3638f0913227d6a7
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55437
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Defining the memory mapped base in fmap for example "FLASH@0xff800000
0x80000" for a 8M flash is optional in fmap files. This will also
reflect in the generated fmap_config.h. Fix the assembly cbfs walker
walkcbfs.S for fmap lacking a definition of the flash base.
Change-Id: I96b18f675e625abee503648ffdc6031978a4269a
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55452
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
pmc_set_power_failure_state() is usually called twice, once upon boot
(with `target_on == true`) and once from SMM when the system is shut
down (with `target_on == false`). Assuming settings didn't change
between these calls, there is only one case where we actually need
to write the register value: when updating the state for the
MAINBOARD_POWER_STATE_PREVIOUS feature.
This suits us well as we want to avoid unnecessary writes so we
don't clobber the value set upon boot from within SMM. Due to
inaccessible option backends, SMM might not know the current
option state.
The assumption above, that the option value didn't change, may not
be true if the user changed the option on purpose. In the future,
one would have to reboot the machine for option changes to take
effect. However, this doesn't seem to make a huge difference: One
already needed a controlled shutdown for the update to take effect
before. A reboot doesn't seem much more expensive.
Change-Id: I58dd74b8b073f4f07db090bf7fddb14b5df8239a
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55539
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This patch create separate helper functions to fill-in required
FSP-M UPDs as per IP initialization categories.
This would help to increase the code readability and in future
meaningful addition of FSP-M UPDs is possible rather adding UPDs randomly.
TEST=FSP-M UPD dump shows no change without and with this code change.
Change-Id: I5f23292fd1bd44d0cd55fbefd490b090ccd48365
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55225
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Updating the APOB takes a considerable amount of time. I decided to be
granular and split out the operations so we know when we read vs read +
erase + write.
BUG=b:179092979
TEST=Boot guybrush and dump timestamps
3:after RAM initialization 3,025,425 (44)
920:starting APOB read 3,025,430 (5)
921:starting APOB erase 3,025,478 (48)
922:starting APOB write 3,027,727 (2,249)
923:finished APOB 3,210,965 (183,238)
4:end of romstage 3,210,971 (6)
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I08e371873112e38f623f452af0eb946f5471c399
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55401
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
APIC Serial Bus pins were removed with ICH5 already, so a choice
'irq_on_fsb = 0' would not take effect. The related register BOOT_CONFIG
0x3 is also not documented since ICH5.
For emulation/qemu-q35 with ICH9 the choice INTERRUPT_ON_APIC_BUS was
wrong and ignored as BOOT_CONFIG register emulation was never implemented.
For ICH4 and earlier, the choice to use FSB can be made based on the
installed CPU model but this is now just hardwired to match P4 CPUs of
aopen/dxplplusu.
For sb/intel/i82371eb register BOOT_CONFIG 0x3 is also not defined
and the only possible operation mode there is APIC Serial Bus, which
requires no configuration.
Change-Id: Id433e0e67cb83b44a3041250481f307b2ed1ad18
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55257
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
