Commit 8dec5fcaf8 ("drivers/spi: Add 4-byte address mode flag to
lb_spi_flash") split the existing 32-bit `erase_cmd` field into multiple
fields. The new `flags` field thus created is used to pass information
about whether the flash is in 4-byte address mode.
Unfortunately, we forgot to initialize the new fields in the case that
the flash is not in 4-byte address mode. This means it can have any
arbitrary value, including values where the new flag bit is accidentally
set (causing flash access errors in the payload).
This patch fixes the problem and tries to prevent further issues with
field changes in the future by explicitly zeroing the entire coreboot
table structure before starting to fill in the values.
Change-Id: I3ad9812fc76ae2989dcf4a294034c4e31456c74e
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88700
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Adds a new flags field to the lb_spi_flash coreboot table to indicate
if the SPI flash is operating in 4-byte address mode.
This allows payloads to query the current address mode directly from the
coreboot table, preventing redundant checks or re-enforcement of the
mode. The flag is set based on the
CONFIG_SPI_FLASH_FORCE_4_BYTE_ADDR_MODE configuration.
Important: `erase_cmd` was reduced from uint32_t to uint8_t.
Only the least significant byte was ever relevant, so this change
ensures accurate type representation, maintains backward compatibility
with existing coreboot table structures, and frees up space.
BUG=b:417900125
TEST=Able to build google/bluey.
Change-Id: I406536432b2a0c7f4108e5b33d5a20c272d917b0
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88181
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit refactors the logic for entering and exiting 4-byte
addressing mode in the SPI flash driver.
Changes include:
- Renaming SPI_FLASH_EXIT_4BYTE_STAGE to SPI_FIRST_STAGE to better
reflect its broader applicability to initial boot stages.
- Applying SPI_FIRST_STAGE to both the force 4-byte address mode
and exit 4-byte address mode configurations, ensuring these
operations are only attempted during the appropriate early boot
phases.
- Renaming CMD_FORCE_4BYTE_ADDR_MODE to CMD_ENTER_4BYTE_ADDR_MODE for
consistency and clearer semantics, as 0xb7 is typically used to enter
this mode.
BUG=b:417900125
TEST=Able to build google/bluey.
Change-Id: I79e2c7bbd222fd0d76072860bdf3feba7e7d587d
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88203
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Many high-capacity SPI flashes (e.g., >16MB) default to 3-byte
addressing and require a specific command to enter 4-byte address mode.
This commit introduces support for sending the
CMD_FORCE_4BYTE_ADDR_MODE (0xB7) command during flash probing. When
Kconfig option `SPI_FLASH_FORCE_4_BYTE_ADDR_MODE` is enabled, this
ensures the flash chip is immediately switched to 4-byte addressing
after power-on.
This addresses issues with flashes like GigaDevice (GD25LQ128D) and
Winbond (W25Q256JWxx) that mandate this command for proper 4-byte
addressing. The new command definition is in `spi_flash_internal.h`.
BUG=b:417900125
TEST=Able to build google/bluey.
Change-Id: I935a0e1d6214d73c8ea487418adc93f016790432
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88156
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
I am using a pair of Winbond W25Q64JVSSIM SPI flash chips for
coreboot development. While working on Asus P8x7x Series
autonomous soft strap update support, aka CB:85413 and CB:87334,
I found that without its signature (mfgr 0xef, dev 0x7017) added,
rdev_writeat() would fail to get anything into the flash chip
even though it reports success. Its other parameters are copied
from W25Q64_V as the two are almost the same.
Change-Id: I4af6268a2a1bde4d2ff9c76879c3bc59b91a916d
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87363
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Add functions to send the RPMC-related commands to a RPMC-capable SPI
flash to provision the root key, update the HMAC key, increment the
monotonic counter, and request the monotonic counter data. To talk to
the flash chip, the command bytes and polling mechanism described in the
SFDP data structure of the flash are used.
The JESD260 specification was used as a reference.
Some of inspiration was taken from
github.com/teslamotors/coreboot/tree/tesla-4.12-amd
TEST=When used with the later patch that calls some of the functions
added in this patch, sending the RPMC increment monotonic counter
command to the RPMC-capable SPI flash, in this case W74M12JW, is
successful.
Change-Id: Ia9bd69d0105c66bf5ecb6c90e8c782a81912bd40
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84837
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Fill 'rpmc_caps' struct inside the 'spi_flash' struct with the RPMC info
from the SFDP table.
TEST=On a board with a W74M12JW SPI flash chip, the 'rpmc_caps' struct
has the expected entries (RPMC available, OP2 extended status as polling
method, 4 RPMC counters, OP1 is 0x9b, and OP2 is 0x96).
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I3a8332bffe93e1691f6fc87c3936025f158f3ab9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85009
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
JESD216F.02 and JESD260 were used as a reference.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I3a1f7a5d16dd3ca6c8263b617ae9c21184b6a5b9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85008
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Add basic support for the Serial Flash Discoverable Parameters (SFDP)
standard which can be used to discover the parameters to interact with
any SPI flash chip that supports this mechanism. This commit adds
functionality to find specific SFDP parameter headers and print all SFDP
parameter headers, but not to parse any SFDP parameter table. This is a
preparation for a follow-up patch that adds support to parse the RPMC
SFDP parameter table. Since 'find_sfdp_parameter_header' is only used in
the next patch, it's marked as static inline in this commit so that the
code still build; the 'inline' keyword will be removed again in that
follow-up patch.
For now, only the legacy access protocol using single bit SPI transfers
is supported, but this should cover most of the SPI NOR flash chips. In
any other case, the code will error out. It's also assumed that the SFDP
data blocks read from the SPI flash chip are small enough to fit into
the SPI host controller buffer and don't need to be broken up into
multiple transfers. This limitation will be addressed in a follow-up
patch.
JESD216F.02 was used as a reference.
TEST=On a board with a W74M12JW SPI flash chip, calling
'spi_flash_print_sfdp_headers' prints this on the console output:
Manufacturer: ef
SF: Detected ef 6018 with sector size 0x1000, total 0x1000000
SF: Exiting 4-byte addressing mode
SFDP header found in SPI flash.
major rev 0x1, minor rev 0x6, access protocol 0xff, number of headers 3
SFPD header with index 0:
table ID 0xff00, major rev 0x1, minor rev 0x6
table pointer 0x80, table length DWORDS 0x10
SFPD header with index 1:
table ID 0xff84, major rev 0x1, minor rev 0x0
table pointer 0xd0, table length DWORDS 0x2
SFPD header with index 2:
table ID 0xff03, major rev 0x1, minor rev 0x0
table pointer 0xf0, table length DWORDS 0x2
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I5a1706acf7d60fd64292e8f0677992ab4aebf46a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84786
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
A following patch that adds some support for reading the serial flash
discoverable parameters (SFDP) data structures needs to send more than
just the one command byte that 'spi_flash_cmd' supports. To be able to
do this, introduce the 'spi_flash_cmd_multi' function which supports
sending multiple bytes before reading back some bytes. The prototype is
added to drivers/spi/spi_flash_internal.h since only other files in the
same directory are supposed to be using that function.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I1f3872463249240c0a32e2825e4302894e856b2e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84789
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
STMicro first moved their SPI NOR flash business to Numonyx which was a
joint venture with Intel which later got sold to Micron, so add a
comment to the VENDOR_ID_STMICRO JEDEC manufacturer ID define and
mention all 3 companies that have sold SPI NOR flash chips using this
manufacturer ID to the Kconfig help text of SPI_FLASH_STMICRO.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I7886396d8f0a9766f568a221c0b5ade02489060b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84018
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
The current region_end() implementation is susceptible to overflow
if the region is at the end of the addressable space. A common case
with the memory-mapped flash of x86 directly below the 32-bit limit.
Note: This patch also changes console output to inclusive limits.
IMO, to the better.
Change-Id: Ic4bd6eced638745b7e845504da74542e4220554a
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79946
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
We introduce two new functions to create region objects. They allow us
to check for integer overflows (region_create_untrusted()) or assert
their absence (region_create()).
This fixes potential overflows in region_overlap() checks in SMI
handlers, where we would wrongfully report MMIO as *not* overlapping
SMRAM.
Also, two cases of strtol() in parse_region() (cbfstool), where the
results were implicitly converted to `size_t`, are replaced with the
unsigned strtoul().
FIT payload support is left out, as it doesn't use the region API
(only the struct).
Change-Id: I4ae3e6274c981c9ab4fb1263c2a72fa68ef1c32b
Ticket: https://ticket.coreboot.org/issues/522
Found-by: Vadim Zaliva <lord@digamma.ai>
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79905
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
The touchscreen vendor (Goodix) needs to use this value
(hid-report-addr) in the touch driver, and this value
needs to be changed later.So add generic property list to allow populating vendor specific device properties to ACPI SSDT table.
BUG=b:342932183
BRANCH=None
TEST=emerge-brox coreboot
Change-Id: I8b18e0a2925e6fd36e3a470bde9910661b7558b8
Signed-off-by: Kun Liu <liukun11@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83139
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
The OpenTitan HW implements the same firmware interface as the Ti50
H1D3C hardware variant; it just has a different DID_VID. Allow this new
DID_VID to be recognized correctly.
BUG=b:324940153
Change-Id: Iaacf6d88bc6067948756c465aac1cd8b24ecae1f
Signed-off-by: Jett Rink <jettrink@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83033
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
<stdio.h> header is used for input/output operations (such as printf,
scanf, fopen, etc.). Although some input/output functions can manipulate
strings, they do not need to directly include <string.h> because they
are declared independently.
Change-Id: Ibe2a4ff6f68843a6d99cfdfe182cf2dd922802aa
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82665
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Starting from here CONFIG_TPM1 and CONFIG_TPM2 are no longer mutually
exclusive.
Change-Id: I44c5a1d825afe414c2f5c2c90f4cfe41ba9bef5f
Ticket: https://ticket.coreboot.org/issues/433
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69162
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
<device/device.h> is supposed to provide <device/{path,resource}.h>
Change-Id: I2ef82c8fe30b1c1399a9f85c1734ce8ba16a1f88
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81830
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Via an out parameter. This is needed to be able to dynamically pick TSS
implementation based on the information discovered on probing.
Change-Id: I5006e0cdfef76ff79ce9e1cf280fcd5515ae01b0
Ticket: https://ticket.coreboot.org/issues/433
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69159
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This device is used on the AMD BirmanPlus board.
Change-Id: Iadb819e89a349d074e5ae9f4b62a06176f1f8f64
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81284
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This renames bus to upstream and link_list to downstream.
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I80a81b6b8606e450ff180add9439481ec28c2420
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78330
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Macros can be confusing on their own; hiding commas make things worse.
This can sometimes be downright misleading. A "good" example would be
the code in soc/intel/xeon_sp/spr/chip.c:
CHIP_NAME("Intel SapphireRapids-SP").enable_dev = chip_enable_dev,
This appears as CHIP_NAME() being some struct when in fact these are
defining 2 separate members of the same struct.
It was decided to remove this macro altogether, as it does not do
anything special and incurs a maintenance burden.
Change-Id: Iaed6dfb144bddcf5c43634b0c955c19afce388f0
Signed-off-by: Nicholas Sudsgaard <devel+coreboot@nsudsgaard.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80239
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Jakub Czapiga <czapiga@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
The .inc suffix is confusing to various tools as it's not specific to
Makefiles. This means that editors don't recognize the files, and don't
open them with highlighting and any other specific editor functionality.
This issue is also seen in the release notes generation script where
Makefiles get renamed before running cloc.
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I8cf3d2e2cd1b6ebe4e941ad64f27698379fef696
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80080
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
datasheet: https://www.gigadevice.com.cn/Public/Uploads/uploadfile/files/20221129/DS-00562-GD25LQ255E-Rev1.1.pdf
BUG=b:311336475
BRANCH=firmware-rex-15709.B
TEST=Build AP-firmware and test on karis, system can boot to OS.
Change-Id: Id952ba3a4a45a51571d3735cf6b5764cece2c5e4
Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79087
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: YH Lin <yueherngl@google.com>
Reviewed-by: Eric Lai <ericllai@google.com>
init() was always followed by open() and after successful initialization
we only need send-receive function which is now returned by tis_probe()
on success, thus further reducing number of functions to export from
drivers.
This also removes check for opening TIS twice that seems to have no
value.
Change-Id: I52ad8d69d50d449f031c36b15bf70ef07986946c
Ticket: https://ticket.coreboot.org/issues/433
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76954
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This consolidates the bp, tb, cmp, srp0 and srp1 variables under the new
spi_flash_bpbits struct to allow treating them as one unit in the
refactoring to follow.
Change-Id: I2a1a77fb73047df733498c0fa8b8de1153c3b09e
Signed-off-by: Daniel Gröber <dxld@darkboxed.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42113
Reviewed-by: Jakub Czapiga <czapiga@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Convert TPM functions to return TPM error codes(referred to as
tpm_result_t) values to match the TCG standard.
BUG=b:296439237
TEST=build and boot to Skyrim
BRANCH=None
Change-Id: Ifdf9ff6c2a1f9b938dbb04d245799391115eb6b1
Signed-off-by: Jon Murphy <jpmurphy@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77666
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This is unused - other references were removed long ago.
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: Ia7a65f54c736db20a5440795fdfaa8be31ef971f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72767
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
To help identify the licenses of the various files contained in the
coreboot source, we've added SPDX headers to the top of all of the
.c and .h files. This extends that practice to Makefiles.
Any file in the coreboot project without a specific license is bound
to the license of the overall coreboot project, GPL Version 2.
This patch adds the GPL V2 license identifier to the top of all
makefiles in the drivers directory that don't already have an SPDX
license line at the top.
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I8442bc18ce228eca88a084660be84bcd1c5de928
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68980
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Tim Crawford <tcrawford@system76.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
tis_plat_irq_status() function is used only by Google TPM. It should
be moved to drivers/tpm/cr50.c. The name of the function was changed
to cr50_plat_irq_status().
BUG=b:277787305
TEST=Build all affected platforms
Change-Id: I78dc39f2c7b44232b06947d3dfe6afa52807ced8
Signed-off-by: Grzegorz Bernacki <bernacki@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75917
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Always send the Exit 4-Byte Address Mode (E9h) command before the first
access to the SPI flash in all stages when the SPI flash is
memory-mapped. This is useful for x86 mainboards that do not access SPI
flash in bootblock yet still need to exit 4-byte addressing mode in
romstage or ramstage.
Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: I3a62bfa44a0a5645c1bb80b32d0b9f92075c66bf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76093
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
BUG=b:285110121
TEST=boot Myst and verify the flash is recognized
Change-Id: I30aed5299f87f7cf02fe9a5569edd2b8dcf7b452
Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75587
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jon Murphy <jpmurphy@google.com>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
