From: Nava kishore Manne <nava.manne@xilinx.com>
To: <mdf@kernel.org>, <trix@redhat.com>, <robh+dt@kernel.org>,
<michal.simek@xilinx.com>, <linux-fpga@vger.kernel.org>,
<devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Cc: Nava kishore Manne <nava.manne@xilinx.com>,
git@xilinx.com, chinnikishore369@gmail.com
Subject: [PATCH 2/2] fpga: zynqmp: Adds secure BitStream loading support for Xilinx
Date: Mon, 18 Jan 2021 08:20:58 +0530 [thread overview]
Message-ID: <20210118025058.10051-2-nava.manne@xilinx.com> (raw)
In-Reply-To: <20210118025058.10051-1-nava.manne@xilinx.com>
This commit adds secure BitStream Loading support for the Xilinx
ZynqMp chip.
Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com>
---
drivers/fpga/zynqmp-fpga.c | 8 ++++++++
include/linux/firmware/xlnx-zynqmp.h | 3 +++
2 files changed, 11 insertions(+)
diff --git a/drivers/fpga/zynqmp-fpga.c b/drivers/fpga/zynqmp-fpga.c
index 125743c9797f..0ce34553944b 100644
--- a/drivers/fpga/zynqmp-fpga.c
+++ b/drivers/fpga/zynqmp-fpga.c
@@ -56,6 +56,14 @@ static int zynqmp_fpga_ops_write(struct fpga_manager *mgr,
wmb(); /* ensure all writes are done before initiate FW call */
+ if (priv->flags & FPGA_MGR_ENCRYPTED_BITSTREAM)
+ eemi_flags |= XILINX_ZYNQMP_PM_FPGA_ENCRYPTION_DEVKEY;
+
+ if (priv->flags & FPGA_MGR_DDR_MEM_AUTH_BITSTREAM)
+ eemi_flags |= XILINX_ZYNQMP_PM_FPGA_AUTHENTICATION_DDR;
+ else if (priv->flags & FPGA_MGR_SECURE_MEM_AUTH_BITSTREAM)
+ eemi_flags |= XILINX_ZYNQMP_PM_FPGA_AUTHENTICATION_OCM;
+
if (priv->flags & FPGA_MGR_PARTIAL_RECONFIG)
eemi_flags |= XILINX_ZYNQMP_PM_FPGA_PARTIAL;
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index 87114ee645b1..8a4038bf85e2 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -62,6 +62,9 @@
*/
#define XILINX_ZYNQMP_PM_FPGA_FULL 0x0U
#define XILINX_ZYNQMP_PM_FPGA_PARTIAL BIT(0)
+#define XILINX_ZYNQMP_PM_FPGA_AUTHENTICATION_DDR BIT(1)
+#define XILINX_ZYNQMP_PM_FPGA_AUTHENTICATION_OCM BIT(2)
+#define XILINX_ZYNQMP_PM_FPGA_ENCRYPTION_DEVKEY BIT(4)
enum pm_api_id {
PM_GET_API_VERSION = 1,
--
2.18.0
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next prev parent reply other threads:[~2021-01-18 2:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 2:50 [PATCH 1/2] fpga: mgr: Adds secure BitStream loading support Nava kishore Manne
2021-01-18 2:50 ` Nava kishore Manne [this message]
2021-01-22 5:17 ` Moritz Fischer
2021-01-27 9:13 ` Nava kishore Manne
2021-03-03 10:11 ` Nava kishore Manne
2021-05-10 17:44 ` Moritz Fischer
2021-05-11 13:31 ` Nava kishore Manne
2021-05-27 10:43 ` Nava kishore Manne
2021-06-08 11:50 ` Nava kishore Manne
2021-03-03 23:12 ` Moritz Fischer
2021-04-15 5:57 ` Nava kishore Manne
2021-05-04 9:43 ` Nava kishore Manne
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