[PATCHv2 3/5] fpga: of-fpga-region: add authenticate-fpga-config property

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From: Richard Gong <richard.gong@xxxxxxxxx>

Add authenticate-fpga-config property to support FPGA bitstream
authentication, which makes sure a signed bitstream has valid signatures.

Signed-off-by: Richard Gong <richard.gong@xxxxxxxxx>
---
v2: changed in alphabetical order
---
 drivers/fpga/of-fpga-region.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/fpga/of-fpga-region.c b/drivers/fpga/of-fpga-region.c
index e405309..3840883 100644
--- a/drivers/fpga/of-fpga-region.c
+++ b/drivers/fpga/of-fpga-region.c
@@ -219,6 +219,9 @@ static struct fpga_image_info *of_fpga_region_parse_ov(
 	info->overlay = overlay;
 
 	/* Read FPGA region properties from the overlay */
+	if (of_property_read_bool(overlay, "authenticate-fpga-config"))
+		info->flags |= FPGA_MGR_BITSTREM_AUTHENTICATION;
+
 	if (of_property_read_bool(overlay, "partial-fpga-config"))
 		info->flags |= FPGA_MGR_PARTIAL_RECONFIG;
 
-- 
2.7.4




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