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Some users might want to implement their own policy of when the device
is unusable so we need to ignore this status in the driver and continue
loading as normal.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Implementing dynamic linux image load to the device.
This patch also implements the FW communication steps during the
boot-fit.
This patch also enables the dynamic protocol based on the compatibility
flag.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Implementing dynamic boot fit image load to the device.
Note that some necessary adjustment were added to the static loader as
well so that both loaders can co-exist.
as this is not the final FW load stage the dynamic FW load is still
forced to be non functional.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Hint address failure that results in a valid mapping with an address
that was allocated by the driver is not a real failure.
Therefore, the driver shouldn't notify about this in kernel log. The
user is responsible to check the returned address.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Indicate "progress" instead of "error" when reporting progress status.
Change "u-boot stopped by user" to "Cannot boot" message as
CPU_BOOT_STATUS_UBOOT_NOT_READY may indicate a fatal error that prevent
u-boot from loading firmware.
Signed-off-by: Guy Nisan <gnisan@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
iATU (internal Address Translation Unit of the PCI controller)
configuration is being done by FW right after driver enables
the PCI device. Hence, driver must add a minor sleep afterwards
in order to make sure FW finishes configuring iATU regions.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Update the common and GAUDI firmware header files to the latest version.
The latest version use the correct endianness types so this commit also
contains minor changes to the code to use the correct conversions when
reading/writing to the firmware structures.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
LKD has interfaces in which it receives device address.
For instance the debugfs_read/write variants receives device address for
CFG/SRAM/DRAM for read/write and need to translate to the mapped PCI BAR
address.
In addition, the dynamic FW load protocol dictates that the address to
which the LKD will copy the image for the next FW component will be
received as a device address and can be placed either in SRAM or DRAM.
We need to distinguish those regions as the access methods to those
regions are different (in DRAM we possibly need to set the BAR base).
Looking forward this code will be used to remove duplicated code in the
debugfs_read/write that search the memory region for the input device
address.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
First stage of the dynamic FW load protocol is to reset the protocol to
avoid residues from former load cycles.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Instead of using multiple ASIC specific copies of functions to read the
FW version use single common one that gets ASIC specific arguments.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Use mmu cache range invalidation instead of entire cache invalidation
because it yields better performance.
In GOYA and GAUDI, always use entire cache invalidation because these
ASICs don't support range invalidation.
Signed-off-by: Alon Mizrahi <amizrahi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Replace multiple arguments to init device CPU function by passing
firmware loader managing structure that is initialized per ASIC with
the loader parameters.
In addition, the FW loader management structure is now part of the
habanalabs device, this way the loader parameters will be able to be
communicated across various boot stages.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This refactor is needed due to the dynamic FW load in which requesting
the FW file (and getting its attributes) is not immediately followed by
copying FW file content.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Start the skeleton for the dynamic F/W load by marking current preboot
code path as legacy.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
On PLDM, in case of NIC hangs, the ELBI reset to take much longer than
expected. As a result an increase in the ELBI reset timeout is required.
Signed-off-by: Moti Haimovski <mhaimovski@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
checkpatch looks for the tag on the first line.
So delete empty first line
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20210610214438.3161140-4-trix@redhat.com
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'v5.13-rc6' into char-misc-next
We need the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes:
drivers/misc/eeprom/at25.c:181:28: warning: field width should have type 'int', but argument has type 'unsigned long'
drivers/misc/eeprom/at25.c:386:13: warning: cast to smaller integer type 'int' from 'const void *'
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jiri Prchal <jiri.prchal@aksignal.cz>
Fixes: fd307a4ad3 ("nvmem: prepare basics for FRAM support")
Link: https://lore.kernel.org/r/20210611142706.27336-1-jiri.prchal@aksignal.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Added enum and string for FRAM (ferroelectric RAM) to expose it as file
named "fram".
Added documentation of sysfs file.
Signed-off-by: Jiri Prchal <jiri.prchal@aksignal.cz>
Link: https://lore.kernel.org/r/20210611094601.95131-2-jiri.prchal@aksignal.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
aspm (Active State Power Management)
rtsx_comm_set_aspm: this function is for driver to make sure
not enter power saving when processing of init and card_detcct
ASPM_MODE_CFG: 8411 5209 5227 5229 5249 5250
Change back to use original way to control aspm
ASPM_MODE_REG: 5227A 524A 5250A 5260 5261 5228
Keep the new way to control aspm
Fixes: 121e9c6b5c ("misc: rtsx: modify and fix init_hw function")
Reported-by: Chris Chiu <chris.chiu@canonical.com>
Tested-by: Gordon Lack <gordon.lack@dsl.pipex.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/20210607101634.4948-1-ricky_wu@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When iterating over child firmware nodes restore printing the name of ones
that are not supported.
While at it, refactor loop body to clearly show that we stop at the first match.
Fixes: db15d73e5f ("eeprom: idt_89hpesx: Support both ACPI and OF probing")
Cc: Huy Duong <qhuyduong@hotmail.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210607221757.81465-2-andy.shevchenko@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
device_get_next_child_node() bumps a reference counting of a returned variable.
We have to balance it whenever we return to the caller.
Fixes: db15d73e5f ("eeprom: idt_89hpesx: Support both ACPI and OF probing")
Cc: Huy Duong <qhuyduong@hotmail.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210607221757.81465-1-andy.shevchenko@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Using list_move_tail() instead of list_del() + list_add_tail() in bcm_vk_msg.c.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Link: https://lore.kernel.org/r/20210609071430.1337400-1-libaokun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The variable err is being assigned a value that is never read, the
assignment is redundant and can be removed. Also remove some empty
lines.
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Addresses-Coverity: ("Unused value")
Link: https://lore.kernel.org/r/20210603131210.84763-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
'pvpanic_remove()' is referenced only by a 'devm_add_action_or_reset()'
call in 'devm_pvpanic_probe()'. So, we know that its parameter is non-NULL.
Axe the unneeded check to save a few lines of code.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/8e425618f4042a8ab8366be4d34026972e77bd40.1622911768.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Starting from iLO ASIC 'Neches' with subsystem device id 0x00E4,
bar 5 is used for shared memory region mapping instead of bar 2
because bar 2 is made inaccessible after system POST for security
reason.
As this holds true for future iLO ASIC generations, it does not
make sense to map shared memory region according to the subsystem
device id of each following generations.
Map iLO shared memory region with PCI revision id that maps to the
iLO ASIC generation, starting from Neches (Rev 7).
Signed-off-by: Matt Hsiao <matt.hsiao@hpe.com>
Link: https://lore.kernel.org/r/20210531085551.26421-1-matt.hsiao@hpe.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are some tiny char/misc driver fixes for 5.13-rc4.
Nothing huge here, just some tiny fixes for reported issues:
- 2 interconnect driver fixes
- kgdb build warning fix for gcc-11
- hgafb regression fix
- soundwire driver fix
- mei driver fix
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some tiny char/misc driver fixes for 5.13-rc4.
Nothing huge here, just some tiny fixes for reported issues:
- two interconnect driver fixes
- kgdb build warning fix for gcc-11
- hgafb regression fix
- soundwire driver fix
- mei driver fix
All have been in linux-next with no reported issues"
* tag 'char-misc-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
mei: request autosuspend after sending rx flow control
kgdb: fix gcc-11 warnings harder
video: hgafb: correctly handle card detect failure during probe
soundwire: qcom: fix handling of qcom,ports-block-pack-mode
interconnect: qcom: Add missing MODULE_DEVICE_TABLE
interconnect: qcom: bcm-voter: add a missing of_node_put()
A rx flow control waiting in the control queue may block autosuspend.
Re-request autosuspend after flow control been sent to unblock
the transition to the low power state.
Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20210526193334.445759-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Moving the call to ee1004_set_current_page() to ee1004_eeprom_read()
allows to simplify the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/2829a131-51e3-8865-462a-564080158b0b@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The value of ee1004_current_page applies to all SPD eeproms connected
to the adapter. Therefore it's sufficient if we set ee1004_current_page
when the first device is added.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/b9240e58-08bb-3d71-7a9c-9a323b470ab6@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
i2c_new_dummy_device() calls i2c_new_client_device() that complains
if it fails to create the device. Therefore we don't have to emit an
error message in case of failure. In addition ensure that
ee1004_set_page is only set if creating the device succeeded.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/d38df5ac-6ecb-7d5f-b5c3-39bfc6a1e8a1@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We have to read 512 bytes only, therefore read performance isn't really
a concern. Don't bother the user if i2c block read isn't supported.
For i2c_smbus_read_i2c_block_data_or_emulated() to work it's sufficient
if I2C_FUNC_SMBUS_READ_I2C_BLOCK or I2C_FUNC_SMBUS_READ_BYTE_DATA is
supported. Therefore remove the check for I2C_FUNC_SMBUS_READ_WORD_DATA.
In addition check for I2C_FUNC_SMBUS_WRITE_BYTE (included in
I2C_FUNC_SMBUS_BYTE) which is needed for setting the page.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/840c668e-6310-e933-e50e-5abeaecfb39c@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
i2c_smbus_read_i2c_block_data_or_emulated() checks its length argument,
so we don't have to do it. In addition remove the unlikely hint from
the checks, we do i2c reads and therefore are in a slow path.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/eb2a8bff-43ec-c763-a417-9d741e6f0034@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sysfs_kf_bin_read() checks this for us already. In addition
the function works correctly also w/o this check.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/33889bff-3614-4b73-5010-701635e1edab@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Simplify code and turn 'pvpanic_probe()' into a managed resource version.
This simplify callers that don't need to do some clean-up on error in the
probe and on remove.
Update pvpanic-mmio.c and pvpanic-pci.c accordingly.
'pvpanic_remove()' don't need to be exported anymore.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/9212cdc8c1e5c187a2f1129a6190085c2a10d28a.1621665058.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
