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If FSP 2.0 is used, then postcar stage is used and the flashconsole
as well as spi drivers needed to be added.
Change-Id: I46d720a9d1fe18a95c9407d08dae1eb70ae6720e
Signed-off-by: Youness Alaoui <youness.alaoui@puri.sm>
Reviewed-on: https://review.coreboot.org/21959
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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If CONSOLE_SPI_FLASH config is enabled, we write the cbmem
messages to the 'CONSOLE' area in FMAP which allows us to grab the
log when we read the flash.
This is useful when you don't have usb debugging, and
UART lines are hard to find. Since a failure to boot would
require a hardware flasher anyways, we can get the log
at the same time.
This feature should only be used when no alternative is
found and only when we can't boot the system, because
excessive writes to the flash is not recommended.
This has been tested on purism/librem13 v2 and librem 15 v3 which
run Intel Skylake hardware. It has not been tested on other archs
or with a driver other than the fast_spi.
Change-Id: I74a297b94f6881d8c27cbe5168f161d8331c3df3
Signed-off-by: Youness Alaoui <youness.alaoui@puri.sm>
Reviewed-on: https://review.coreboot.org/19849
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
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1. Define a new structure spi_ctrlr that allows platforms to define
callbacks for spi operations (claim bus, release bus, transfer).
2. Add a new member (pointer to spi_ctrlr structure) in spi_slave
structure which will be initialized by call to spi_setup_slave.
3. Define spi_claim_bus, spi_release_bus and spi_xfer in spi-generic.c
which will make appropriate calls to ctrlr functions.
BUG=chrome-os-partner:59832
BRANCH=None
TEST=Compiles successfully
Change-Id: Icb2326e3aab1e8f4bef53f553f82b3836358c55e
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17684
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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On many x86 platforms the boot device is SPI which is memory
mapped. However, in order to write to the boot device one needs
to use the SPI api. Therefore, provide a common implementation
of boot_device_rw() which has no mmap() functionality. It only
reads, writes, and erases. This will be used in the existing
infrastructure but in a SPI agnostic way.
Two options are added:
1. BOOT_DEVICE_SPI_FLASH_RW_NOMMAP
2. BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY
The former is auto-selected when COMMON_CBFS_SPI_WRAPPER is not
selected. The latter can be used to include the implementation
in the early stages such as bootblock, verstage, and romstage.
BUG=chrome-os-partner:56151
Change-Id: I2aa75f88409309e3f9b9bd79b52d27c0061139c8
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16200
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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It shouldn't matter if COMMON_CBFS_SPI_WRAPPER is selected to
include the SPI flash support in all stages. Therefore, include
the SPI flash support files in all the stages. While there include
the same set of files for all stages. They were out of sync for
some reason.
BUG=chrome-os-partner:56151
Change-Id: I933335104203315cbbcf965185a7c176974e6356
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16198
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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The common boot device spi implementation is very much
specific to SPI flash. As such it should be moved into
that subdirectory. It's still a high-level option but
it correctly depends on BOOT_DEVICE_SPI_FLASH. Additionally
that allows the auto-selection of SPI_FLASH by a platform
selecting COMMON_CBFS_SPI_WRAPPER which allows for culling
of SPI_FLASH selections everywhere.
BUG=chrome-os-partner:56151
Change-Id: Ia2ccfdc9e1a4348cd91b381f9712d8853b7d2a79
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16212
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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This introduces a SPI TPM driver compliant with the TCG issued "TPM
Profile (PTP) Specification Revision 00.43" which can be found by
googling its title.
The driver implements both the hardware flow control protocol and the
TPM state machine.
The hardware flow control allows to map SPI based TPM devices to the
LPC address space on x86 platforms, on all other platforms it needs to
be implemented in the driver software.
The tis layer is somewhat superficial, it might have to be expanded
later.
A lot more implementation details can be found in the code comments.
Also, it is worth mentioning that this is not a complete version of
the driver: its robustness needs to be improved, delay loops need to
be bound, error conditions need to propagate up the call stack.
BRANCH=none
BUG=chrome-os-partner:52132, chrome-os-partner:50645, chrome-os-partner:54141
TEST=with the rest of the patches applied coreboot is able complete
Chrome OS factory initialization of the TPM2 device.
Change-Id: I967bc5c689f6e6f345755f08cb088ad37abd5d1c
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 5611c6f7d7fe6d37da668f337f0e70263913d63e
Original-Change-Id: I17d732e66bd231c2289ec289994dd819c6276855
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/350124
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/15298
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@googlemail.com>
Tested-by: build bot (Jenkins)
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The EM100Pro allows the debug console to be sent over the SPI bus.
This is not yet working in romstage due to the use of static variables
in the SPI driver code. It is also not working on chipsets that have
SPI write buffers of less than 10 characters due to the 9 byte
command/header length specified by the EM100 protocol.
While this currently works only with the EM100, it seems like it would
be useful on any logic analyzer with SPI debug - just filter on command
bytes of 0x11.
Change-Id: Icd42ccd96cab0a10a4e70f4b02ecf9de8169564b
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: http://review.coreboot.org/11743
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Vboot2 targets so far did not have COMMON_CBFS_SPI_WRAPPER
configuration option enabled, so the verstage is missing the relevant
files in some Makefiles. This patch fixes the problem.
BRANCH=none
BUG=none
TEST=with the rest of the patches applied cosmos target builds fine
with COMMON_CBFS_SPI_WRAPPER enabled
Change-Id: I3ce78c8afc5f7d8ce822bbf8dd789c0c2ba4b99c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: b72693c96f7d8ce94ce6fe12b316d5b88fded579
Original-Change-Id: Iab813b9f5b0156c45b007fe175500ef0de50e65c
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/223751
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8772
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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Coreboot has all necessary infrastructure to use the proper SPI flash
interface in bootblock for CBFS. This patch creates a common CBFS
wrapper which can be enabled on different platforms as required.
COMMON_CBFS_SPI_WRAPPER, a new configuration option, enables the
common CBFS interface and prevents default inclusion of all SPI chip
drivers, only explicitly configured ones will be included when the new
feature is enabled. Since the wrapper uses the same driver at all
stages, enabling the new feature will also make it necessary to
include the SPI chip drivers in bootblock and romstage images.
init_default_cbfs_media() can now be common for different platforms,
and as such is defined in the library.
BUG=none
TEST=manual
. with this change and the rest of the patches coreboot on AP148
comes up all the way to attempting to boot the payload (reading
earlier stages from the SPI flash along the way).
Original-Change-Id: Ia887bb7f386a0e23a110e38001d86f9d43fadf2c
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/197800
Original-Tested-by: Vadim Bendebury <vbendeb@google.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
(cherry picked from commit 60eb16ebe624f9420c6191afa6ba239b8e83a6e6)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I7b0bf3dda915c227659ab62743e405312dedaf41
Reviewed-on: http://review.coreboot.org/7932
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
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Change-Id: I60e578003b857f5dcabb2e9bc75aa46acddb62b8
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7433
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
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Adds support for the following Adesto Technologies
SPI Flash parts.
AT25DF081
AT25DF321
AT25DF641
It has been tested on an Orion VPX7654 board populated
with an AT25DF321A part. The "08" and "64" densities have not
been tested.
These parts are the successors of the Atmel AT26DF line that
was spun out or purchased by Adesto.
In this patch, adesto.c is identical to winbond.c with part
entries for the Adesto parts. The datasheet for the AT25DF parts
includes a "100MHz" programming command in addition to the "85MHz"
command that is currently used but this patch does not add support
for that enhanced programming mode.
Change-Id: If82d075fd9000030480c412c645dcae2c8bb7439
Signed-off-by: Christopher Douglass <cdouglass.orion@gmail.com>
Reviewed-on: http://review.coreboot.org/5225
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Change-Id: Id7e65065556ca7225969ca0afdb21eda24aeb967
Signed-off-by: Christopher Douglass <cdouglass.orion@gmail.com>
Reviewed-on: http://review.coreboot.org/5260
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Add support for the AMIC A25L032 flash chip.
Change-Id: Ie8d441a923c6fbd18c16440b4571321652d934d5
Signed-off-by: Idwer Vollering <vidwer@gmail.com>
Reviewed-on: http://review.coreboot.org/5252
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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Add support for GigaDevice SPI ROMS.
The GD25Q64B device has been tested, the other rom devices added to the
file have not.
Change-Id: If35676ca6b90329f15667ebb32efa0d1a159ae91
Signed-off-by: Martin Roth <martin@se-eng.com>
Reviewed-on: http://review.coreboot.org/1747
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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- add Kconfig option for CONFIG_SPI_FLASH_SMM
- compile subsystem and chip drivers for smm if enabled
- change mdelay(1) to udelay(500) since mdelay is not defined
in SMM and a 1ms delay is worth avoiding
- make flash chip structure non-const so the probe function
pointers can be relocated for use in TSEG
- Make SMM PCI access possible in southbridge SPI code
Change-Id: Icfcbbe8e4e56658769d46af0b5bf6c79a6432641
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/1313
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This driver is taken from u-boot and adapted to match
coreboot. It still contains some hacks and is ICH specific
at places.
Change-Id: I97dd8096f7db3b62f8f4f4e4d08bdee10d88f689
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/997
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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