Age | Commit message (Collapse) | Author |
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This replaces GPLv2-or-later and GPLv2-only long form text with the
short SPDX identifiers.
Commands used:
perl -i -p0e 's|/\*[*\n\t ]*This program is free software[:;].*you.*can.*redistribute.*it.*and/or.*modify.*it.*under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*as.*published.*by.*the.*Free.*Software.*Foundation[;,].*version.*2.*of.*the.*License.*or.*(at.*your.*option).*any.*later.*version.+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-or-later */|s' $(cat filelist)
perl -i -p0e 's|/\*[*\n\t ]*This program is free software[:;].*you.*can.*redistribute.*it.*and/or.*modify.*it.*under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*as.*published.*by.*the.*Free.*Software.*Foundation[;,].*version.*2.+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-only */|s' $(cat filelist)
perl -i -p0e 's|/\*[*\n\t ]*This program is free software[:;].*you.*can.*redistribute.*it.*and/or.*modify.*it.*under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*version.*2.*as.*published.*by.*the.*Free.*Software.*Foundation[.;,].+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-only */|s' $(cat filelist)
perl -i -p0e 's|/\*[*\n\t ]*This software is licensed under.*the.*terms.*of.*the.*GNU.*General.*Public.*License.*version.*2.*as.*published.*by.*the.*Free.*Software.*Foundation,.+This.*program.*is.*distributed.*in.*the.*hope.*that.*it.*will.*be.*useful,.*but.*;.*without.*even.*the.*implied.*warranty.*of.*MERCHANTABILITY.*or.*FITNESS.*FOR.*A.*PARTICULAR.*PURPOSE..*.*See.*the.*GNU.*General.*Public.*License for more details.[\n\t ]*\*/|/* SPDX-License-Identifier: GPL-2.0-only */|s' $(cat filelist)
Change-Id: I7a746088a35633c11fc7ebe86006e96458a1abf8
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41066
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
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They're listed in AUTHORS and often incorrect anyway, for example:
- What's a "Copyright $year-present"?
- Which incarnation of Google (Inc, LLC, ...) is the current
copyright holder?
- People sometimes have their editor auto-add themselves to files even
though they only deleted stuff
- Or they let the editor automatically update the copyright year,
because why not?
- Who is the copyright holder "The coreboot project Authors"?
- Or "Generated Code"?
Sidestep all these issues by simply not putting these notices in
individual files, let's list all copyright holders in AUTHORS instead
and use the git history to deal with the rest.
Change-Id: I89b10076e0f4a4b3acd59160fb7abe349b228321
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39611
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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The names of each spi flash cause quite a bit of bloat in the text
size of each stage/program. Remove the name entirely from spi flash
in order to reduce overhead. In order to pack space as closely as
possible the previous 32-bit id and mask were split into 2 16-bit
ids and masks.
On Chrome OS build of Aleena there's a savings of >2.21KiB in each
of verstage, romstage, and ramstage.
Change-Id: Ie98f7e1c7d116c5d7b4bf78605f62fee89dee0a5
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38380
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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There was one user of SPI_FLASH_SECTOR_ERASE_TIMEOUT_MS,
southbridge/intel/common/spi.c. Remove the define and encode
the 1 second timeout that it was wanting at the single use site.
Change-Id: If33a1a04bc4d3441e90bf0ca305ddf71c4f8bb88
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37962
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
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This is to remove min/max() from <stdlib.h>.
Change-Id: Ica03d9aec8a81f57709abcac655dfb0ebce3f8c6
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37818
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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These were often used to distinguish CAR_GLOBAL variables that weren't
directly usable. Since we're getting rid of this special case, also get
rid of the marker.
This change was created using coccinelle and the following script:
@match@
type T;
identifier old =~ "^(g_.*|.*_g)$";
@@
old
@script:python global_marker@
old << match.old;
new;
@@
new = old
if old[0:2] == "g_":
new = new[2:]
if new[-2:] == "_g":
new = new[:-2]
coccinelle.new = new
@@
identifier match.old, global_marker.new;
@@
- old
+ new
@@
type T;
identifier match.old, global_marker.new;
@@
- T old;
+ T new;
@@
type T;
identifier match.old, global_marker.new;
@@
- T old
+ T new
= ...;
There were some manual fixups: Some code still uses the global/local
variable naming scheme, so keep g_* there, and some variable names
weren't completely rewritten.
Change-Id: I4936ff9780a0d3ed9b8b539772bc48887f8d5eed
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37358
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
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Change-Id: I693cf494522c3bc1e1697a09be3e98fcb6db634d
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37027
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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This simplifies PCI config space accessors.
Change-Id: Idf0f90ee2dc1dcb0003ef5d56eff44ca9a5634e7
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37079
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
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The mechanism for getting the SPIBAR is little different.
Tested on Intel Minnowboard Turbot.
Change-Id: Ib14f185eab8bf708ad82b06c7a7ce586744318fd
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36342
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
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Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: Iee2056a50a1201626fa29194afdbfc1f11094420
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36333
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Many supported SST flashes use the AAI OP (0xad) to write.
TESTED on Thinkpad X60 with SST25VF016B, flashrom can use AAI_WRITE op
with locked down SPIOPS.
Change-Id: Ica72eda04a8d9f4e563987871b1640565c6e7e12
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35537
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
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CB:29633 switched platform to use sb/common spi implementation,
which worked until CAR_GLOBAL was removed in CB:30506.
Revert the changes back to usage of CAR_GLOBAL in the common spi
driver so that flashconsole will work again in romsatge for
fsp_broadwell_de.
Test: verify flashconsole functional on out-of-tree Broadwell-DE board
Change-Id: I72e5db1583199b5ca4b6ec54661282544d326f0f
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32880
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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Variable length arrays were a feature added in C99 that allows the
length of an array to be determined at runtime. Eg.
int sum(size_t n) {
int arr[n];
...
}
This adds a small amount of runtime overhead, but is also very
dangerous, since it allows use of an unlimited amount of stack memory,
potentially leading to stack overflow. This is only worsened in
coreboot, which often has very little stack space to begin with. Citing
concerns like this, all instances of VLA's were recently removed from the
Linux kernel. In the immortal words of Linus Torvalds [0],
AND USING VLA'S IS ACTIVELY STUPID! It generates much more code, and
much _slower_ code (and more fragile code), than just using a fixed
key size would have done. [...] Anyway, some of these are definitely
easy to just fix, and using VLA's is actively bad not just for
security worries, but simply because VLA's are a really horribly bad
idea in general in the kernel.
This patch follows suit and zaps all VLA's in coreboot. Some of the
existing VLA's are accidental ones, and all but one can be replaced with
small fixed-size buffers. The single tricky exception is in the SPI
controller interface, which will require a rewrite of old drivers
to remove [1].
[0] https://lkml.org/lkml/2018/3/7/621
[1] https://ticket.coreboot.org/issues/217
Change-Id: I7d9d1ddadbf1cee5f695165bbe3f0effb7bd32b9
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33821
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Remove a spurious reference: the `optype` field is already the pointer
we want.
Change-Id: I65eb3a519db9037c84750c5d40e3f19a1e360361
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34596
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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This patch appends a unit (milliseconds) to time-out macro names for
better understanding the code which is using the macros.
Change-Id: Ibc4beda2660a83fd5f0ed325b2ee3148c6d96639
Signed-off-by: Uwe Poeche <uwe.poeche@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34384
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This patch provides an increased timeout (60ms -> 1s) for SPI
HW-sequencing flash erase operations. Without that the erase for MRC
cache writing on siemens/mc_bdx1 sometimes goes wrong because the
timeout stops waiting for flash cycle completion. It was found
during continuous integration. Investigation showed that the used flash
type takes sporadic (e.g. 5% of the test cycles) more time for completion
of erasing operation if the ambient temperature increases. The measured
time values are in range of data sheet of SPI flash. 60ms is a typical
value. So increasing the value is necessary.
tested on siemens/bdx1; measured time values with increased ambient
temperature of flash were always smaller than worst case value of 1s.
Change-Id: Id50636f9ed834ffd7810946798b300e58b2c14d2
Signed-off-by: Uwe Poeche <uwe.poeche@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34173
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
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This adds a common place to set the final opprefix, optype and opmenu,
with a hook to override the opmenu.
Change-Id: I162ae6bad7da3ea02b96854ee28e70594e210947
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
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Like the line above it, this should be & instead of | (otherwise it will
always incorrectly return true). spi_locked() is only used internally to
decide which opcodes will be used to talk to the flash, and if it is
falsely reported as locked, the worst case should be a denial of service
(unless there are more bugs).
Change-Id: I5208b523c815d15d7263594f06ccfacd8a9510b1
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Found-by: Coverity CID 1402092
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33963
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Nico Huber <nico.h@gmx.de>
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Change-Id: Ib0b63c3b0342c62aeabb5c6e418eb9811fc6597d
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33389
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
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The SPI swseq controller can be locked in other parts of the code, for
instance when it's locked down in the finalize section. The driver
has to be made aware of that. The simpler solution is to not keep
track of the state and simply read out the lock bit on each SPI
transfer.
Change-Id: Ifcd5121b89d6f80fc1c1368786982d0d9fa1bf61
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33388
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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Change-Id: I7509dc2124ee7057af075c7d0607ec615b930fa3
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33506
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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Change-Id: Id0ed621b5b4b5634d454811b1e1beeb27fc69ea8
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33505
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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This patch is a raw application of
find src/ -type f | xargs sed -i -e 's/IS_ENABLED\s*(CONFIG_/CONFIG(/g'
Change-Id: I6262d6d5c23cabe23c242b4f38d446b74fe16b88
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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MMIO operations are arch-agnostic so the include
path should not be arch/.
Change-Id: I0fd70f5aeca02e98e96b980c3aca0819f5c44b98
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31691
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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PCI config accessors are no longer indirectly included
from <arch/io.h> use <device/pci_ops.h> instead.
Change-Id: I2adf46430a33bc52ef69d1bf7dca4655fc8475bd
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31675
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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Change-Id: If7190ac105b2a65a9576709955c3cc840b95dcdf
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31270
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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We have NO_CAR_GLOBAL_MIGRATION now.
Change-Id: Ic2c90d264d851ab4abeca07f412d43d088ad96dc
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/30506
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Some SPI controllers support both READ and WRITE protection
add a variable to the protect API for the callers to specify
the kind of protection they want (Read/Write/Both).
Also, update the callers and protect API implementation.
BUG=None
BRANCH=None
TEST=test that the mrc cache is protected as expected on soraka.
Also tried if the read protection is applied correctly.
Change-Id: I093884c4768b08a378f21242ac82e430ac013d15
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-on: https://review.coreboot.org/c/30559
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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Change-Id: Icf34b39d80f6e46d32a39b68f38fb2752c0bcebc
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/26484
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Piotr Król <piotr.krol@3mdeb.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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Change-Id: Ia640131479d4221ccd84613033f28de3932b8bff
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/30120
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
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Change-Id: I6b9e0e0c643f9b47cfe8bdfffbe247f477ace685
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/29841
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Change-Id: Ife8f7f164b26bea65a0dcde0cab339a1bb599e38
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/29834
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan T <stefan.tauner@gmx.at>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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Change-Id: I4e5fe3ff083f2d0db1cfde16550b57537d5f7262
Signed-off-by: Stefan Tauner <stefan.tauner@gmx.at>
Reviewed-on: https://review.coreboot.org/c/28349
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Make sure that the Pre-Op register is cleared when an atomic cycle has
been finished without errors.
Change-Id: Ied88337125b125474b411e2f39f668171d15bfac
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/29634
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
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Change-Id: I252a1cd77bf647477edb7dddadb7e527de872439
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29582
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
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Its spreading copies got out of sync. And as it is not a standard header
but used in commonlib code, it belongs into commonlib. While we are at
it, always include it via GCC's `-include` switch.
Some Windows and BSD quirk handling went into the util copies. We always
guard from redefinitions now to prevent further issues.
Change-Id: I850414e6db1d799dce71ff2dc044e6a000ad2552
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/28927
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Use of device_t is deprecated.
Change-Id: I6adc0429ae9ecc8f726d6167a6458d9333dc515f
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/27036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Based on Nicola Corna's work.
This allows for CONFIG_CONSOLE_SPI_FLASH to be used, which writes the
console output to the SPI flash.
TESTED to still work in ramstage on x220 (correctly writes MRC CACHE),
the option CONFIG_CONSOLE_SPI_FLASH compiles for targets using the
common Intel SPI code (untested though).
Change-Id: I4671653c0b07ab5c4bf91128f18f142ce4f893cf
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/25414
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Could be useful to write protect regions like for instance the
MRC_CACHE region.
Tested on Intel DG41WV (i82801gx) and Lenovo Thinkpad X220 (bd82x6x)
to write protect the mrc_cache region.
Change-Id: Id0a9a0de639c5d6761a77a56ceba6d89110a4ea1
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/23146
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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Julius brought up confusion about the current spi api in [1]. In order
alleviate the confusion stemming from supporting x86 spi flash
controllers:
- Remove spi_xfer_two_vectors() which was fusing transactions to
accomodate the limitations of the spi controllers themselves.
- Add spi_flash_vector_helper() for the x86 spi flash controllers to
utilize in validating driver/controller current assumptions.
- Remove the xfer() callback in the x86 spi flash drivers which
will trigger an error as these controllers can't support the api.
[1] https://mail.coreboot.org/pipermail/coreboot/2018-April/086561.html
Change-Id: Id88adc6ad5234c29a739d43521c5f344bb7d3217
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25745
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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Offsets are a little different.
Change-Id: I39199f3279a8b76e290b6693adc50dc2ac0ccf23
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/21113
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Change-Id: I2b532522938123bb7844cef94cda0b44bcb98e45
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/20350
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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Also unify __attribute__ ((..)) to __attribute__((..)) and
handle ((__packed__)) like ((packed))
Change-Id: Ie60a51c3fa92b5009724a5b7c2932e361bf3490c
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/15921
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This is in preparation to get rid of the strong spi_setup_slave
implemented by different platforms.
BUG=b:38430839
Change-Id: I23c1108c85532b7346ff7e0adb0ac90dbf2bb2cc
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19779
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
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Define a new spi_flash_ops structure, move all spi flash operations to
this structure and add a pointer to this structure in struct spi_flash.
BUG=b:38330715
Change-Id: I550cc4556fc4b63ebc174a7e2fde42251fe56052
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19757
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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1. Rename __spi_flash_probe to spi_flash_generic_probe and export it
so that drivers can use it outside spi_flash.c.
2. Make southbridge intel spi driver use spi_flash_generic_probe if
spi_is_multichip returns 0.
3. Add spi_flash_probe to spi_ctrlr structure to allow platforms to
provide specialized probe functions. With this change, the specialized
spi flash probe functions are now associated with a particular spi
ctrlr structure and no longer disconnected from the spi controller.
BUG=b:38330715
Change-Id: I35f3bd8ddc5e71515df3ef0c1c4b1a68ee56bf4b
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19708
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
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Pointer to spi_slave structure can be passed in as const to spi flash
probe functions since the probe functions do not need to modify the
slave properties.
BUG=b:38330715
Change-Id: I956ee777c62dbb811fd6ce2aeb6ae090e1892acd
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19707
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Instead of making all SPI drivers allocate space for a spi_flash
structure and fill it in, udpate the API to allow callers to pass in a
spi_flash structure that can be filled by the flash drivers as
required. This also cleans up the interface so that the callers can
maintain and free the space for spi_flash structure as required.
BUG=b:38330715
Change-Id: If6f1b403731466525c4690777d9b32ce778eb563
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19705
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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spi_crop_chunk is a property of the SPI controller since it depends
upon the maximum transfer size that is supported by the
controller. Also, it is possible to implement this within spi-generic
layer by obtaining following parameters from the controller:
1. max_xfer_size: Maximum transfer size supported by the controller
(Size of 0 indicates invalid size, and unlimited transfer size is
indicated by UINT32_MAX.)
2. deduct_cmd_len: Whether cmd_len needs to be deducted from the
max_xfer_size to determine max data size that can be
transferred. (This is used by the amd boards.)
Change-Id: I81c199413f879c664682088e93bfa3f91c6a46e5
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19386
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Tested-by: coreboot org <coreboot.org@gmail.com>
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SPI_ATOMIC_SEQUENCING was added to accomodate spi flash controllers with
the ability to perform tx and rx of flash command and response at the
same time. Instead of introducing this notion at SPI flash driver layer,
clean up the interface to SPI used by flash.
Flash uses a command-response kind of communication. Thus, even though
SPI is duplex, flash command needs to be sent out on SPI bus and then
flash response should be received on the bus. Some specialized x86
flash controllers are capable of handling command and response in a
single transaction.
In order to support all the varied cases:
1. Add spi_xfer_vector that takes as input a vector of SPI operations
and calls back into SPI controller driver to process these operations.
2. In order to accomodate flash command-response model, use two vectors
while calling into spi_xfer_vector -- one with dout set to
non-NULL(command) and other with din set to non-NULL(response).
3. For specialized SPI flash controllers combine two successive vectors
if the transactions look like a command-response pair.
4. Provide helper functions for common cases like supporting only 2
vectors at a time, supporting n vectors at a time, default vector
operation to cycle through all SPI op vectors one by one.
BUG=chrome-os-partner:59832
BRANCH=None
TEST=Compiles successfully
Change-Id: I4c9e78c585ad95c40c0d5af078ff8251da286236
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17681
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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