1 files changed, 28 insertions, 5 deletions

diff --git a/drivers/fpga/zynqmppl.c b/drivers/fpga/zynqmppl.c
index feaf34fff1..fc55d7a388 100644
--- a/drivers/fpga/zynqmppl.c
+++ b/drivers/fpga/zynqmppl.c
@@ -9,6 +9,7 @@
 #include <common.h>
 #include <compiler.h>
 #include <cpu_func.h>
+#include <fpga.h>
 #include <log.h>
 #include <zynqmppl.h>
 #include <zynqmp_firmware.h>
@@ -202,9 +203,12 @@ static int zynqmp_validate_bitstream(xilinx_desc *desc, const void *buf,
 #if CONFIG_IS_ENABLED(FPGA_LOAD_SECURE)
 static int zynqmp_check_compatible(xilinx_desc *desc, int flags)
 {
-	/* If no flags set, the image is legacy */
+	/*
+	 * If no flags set, the image may be legacy, but we need to
+	 * signal caller this situation with specific error code.
+	 */
 	if (!flags)
-		return 0;
+		return -ENODATA;
 
 	/* For legacy bitstream images no need for other methods exist */
 	if ((flags & desc->flags) && flags == FPGA_LEGACY)
@@ -217,7 +221,7 @@ static int zynqmp_check_compatible(xilinx_desc *desc, int flags)
 	if (desc->operations->loads && (flags & desc->flags))
 		return 0;
 
-	return FPGA_FAIL;
+	return -ENODEV;
 }
 #endif
 
@@ -231,8 +235,9 @@ static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize,
 	u32 buf_lo, buf_hi;
 	u32 bsize_req = (u32)bsize;
 	u32 ret_payload[PAYLOAD_ARG_CNT];
-
 #if CONFIG_IS_ENABLED(FPGA_LOAD_SECURE)
+	struct fpga_secure_info info = { 0 };
+
 	ret = zynqmp_check_compatible(desc, flags);
 	if (ret) {
 		if (ret != -ENODATA) {
@@ -242,6 +247,21 @@ static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize,
 		/* If flags is not set, the image treats as legacy */
 		flags = FPGA_LEGACY;
 	}
+
+	switch (flags) {
+	case FPGA_LEGACY:
+		break;	/* Handle the legacy image later in this function */
+#if CONFIG_IS_ENABLED(FPGA_LOAD_SECURE)
+	case FPGA_XILINX_ZYNQMP_DDRAUTH:
+		/* DDR authentication */
+		info.authflag = ZYNQMP_FPGA_AUTH_DDR;
+		info.encflag = FPGA_NO_ENC_OR_NO_AUTH;
+		return desc->operations->loads(desc, buf, bsize, &info);
+#endif
+	default:
+		printf("Unsupported bitstream type %d\n", flags);
+		return FPGA_FAIL;
+	}
 #endif
 
 	if (zynqmp_firmware_version() <= PMUFW_V1_0) {
@@ -337,7 +357,10 @@ static int __maybe_unused zynqmp_str2flag(xilinx_desc *desc, const char *str)
 {
 	if (!strncmp(str, "u-boot,fpga-legacy", 18))
 		return FPGA_LEGACY;
-
+#if CONFIG_IS_ENABLED(FPGA_LOAD_SECURE)
+	if (!strncmp(str, "u-boot,zynqmp-fpga-ddrauth", 26))
+		return FPGA_XILINX_ZYNQMP_DDRAUTH;
+#endif
 	return 0;
 }