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Previously PAXIC register was programmed before configuring PCFG
register. PCFG should be programmed with the address of the port
for which PAXIC should be configured for.
This was not happening before, so only one port PAXIC was written
correctly and the other port was having wrong value.
This patch moves the PXAIC register write after configuring PCFG,
doing so will correct the axi bus settings for sata port0 & port1.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This patch adds support for CCI in SATA controller if CCI is
enabled in design. This patch will add CCI settings for SATA
if "dma-coherent" dts property is added.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This patch updates the driver to make Rx Fifo water mark value
as a module parameter.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Since CEVA controller does not support Device Sleep capability,
we need to clear that feature by clearing the DEVSLP bit in word78
of IDENTIFY DEVICE data. This patch does the same.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This patch sets gen 3 mode as default mode in ahci_ceva driver.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
In SATA Speed negotiation happens with OOB(Out of Band) signals. These OOB
signal timing values are configured through vendor specific registers in the
SATA controller. These OOB timings depends on the generator and detector clock
frequency, which varies from board to board (ex: ep108 and zc1751 has different
clock frequencies).
To avoid maintaing these OOB settings in the driver, it is better to move these
settings to the device-tree node and read from the device-tree.
This patch does the same.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Adds support for Ceva sata host controller on Xilinx
Zynq UltraScale+ MPSoC.
Signed-off-by: Suneel Garapati <suneel.garapati@xilinx.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
