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When setting "DMA mask from FW" we are reading PSOC_GLOBAL_CONF register
which is allowed only once FW has done it's iATU configuration.
Signed-off-by: Ohad Sharabi <osharabi@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>
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>
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>
As part of the securing GAUDI, the F/W will configure the PCI iATU
regions. If the driver identifies a secured PCI ID, it will know to
skip iATU configuration in a very early stage.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Axe 'hl_pci_set_dma_mask()' and replace it with an equivalent
'dma_set_mask_and_coherent()' call.
This makes the code a bit less verbose.
It also removes an erroneous comment, because 'hl_pci_set_dma_mask()'
does not try to use a fall-back value.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
We separate some of the common code source files to different
folders for a better maintainability and testability.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
