fpga: region: Add fpga-region property 'encrypted-fpga-config'
Add fpga-region property to allow passing the fact that the bitstream is encrypted to the fpga-region and ultimately to the low-level driver. Signed-off-by: Moritz Fischer <mdf@kernel.org> Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Alan Tull <atull@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -186,6 +186,7 @@ Optional properties:
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otherwise full reconfiguration is done.
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- external-fpga-config : boolean, set if the FPGA has already been configured
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prior to OS boot up.
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- encrypted-fpga-config : boolean, set if the bitstream is encrypted
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- region-unfreeze-timeout-us : The maximum time in microseconds to wait for
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bridges to successfully become enabled after the region has been
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programmed.
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@ -337,8 +337,9 @@ static int child_regions_with_firmware(struct device_node *overlay)
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* The overlay must add either firmware-name or external-fpga-config property
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* to the FPGA Region.
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*
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* firmware-name : program the FPGA
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* external-fpga-config : FPGA is already programmed
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* firmware-name : program the FPGA
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* external-fpga-config : FPGA is already programmed
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* encrypted-fpga-config : FPGA bitstream is encrypted
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*
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* The overlay can add other FPGA regions, but child FPGA regions cannot have a
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* firmware-name property since those regions don't exist yet.
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@ -373,6 +374,9 @@ static int fpga_region_notify_pre_apply(struct fpga_region *region,
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if (of_property_read_bool(nd->overlay, "external-fpga-config"))
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info->flags |= FPGA_MGR_EXTERNAL_CONFIG;
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if (of_property_read_bool(nd->overlay, "encrypted-fpga-config"))
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info->flags |= FPGA_MGR_ENCRYPTED_BITSTREAM;
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of_property_read_string(nd->overlay, "firmware-name", &firmware_name);
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of_property_read_u32(nd->overlay, "region-unfreeze-timeout-us",
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