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[5/5] fpga: zynqpl: Add zynq aes load & loadp commands

Message ID 34d4abcb386647b6d478d6d82a5876b5b0667e14.1589266106.git.michal.simek@xilinx.com
State Accepted
Commit b80a476faa3a36ea66a706cf985533792e1e185e
Headers show
Series fpga: zynqpl: Add support for AES engine | expand

Commit Message

Michal Simek May 12, 2020, 6:48 a.m. UTC 
From: T Karthik Reddy <t.karthik.reddy at xilinx.com>

Added support for zynq aes load & loadp commands.

Signed-off-by: T Karthik Reddy <t.karthik.reddy at xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

 board/xilinx/zynq/cmds.c | 47 ++++++++++++++++++++++++++++++----------
 1 file changed, 35 insertions(+), 12 deletions(-)
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Patch

diff --git a/board/xilinx/zynq/cmds.c b/board/xilinx/zynq/cmds.c
index ebefbf22120c..ee690a1e23a7 100644
--- a/board/xilinx/zynq/cmds.c
+++ b/board/xilinx/zynq/cmds.c
@@ -441,18 +441,37 @@  static int zynq_decrypt_image(cmd_tbl_t *cmdtp, int flag, int argc,
 	if (argc < 5 && argc > cmdtp->maxargs)
 		return CMD_RET_USAGE;
 
-	srcaddr = simple_strtoul(argv[2], &endp, 16);
-	if (*argv[2] == 0 || *endp != 0)
-		return CMD_RET_USAGE;
-	srclen = simple_strtoul(argv[3], &endp, 16);
-	if (*argv[3] == 0 || *endp != 0)
-		return CMD_RET_USAGE;
-	dstaddr = simple_strtoul(argv[4], &endp, 16);
-	if (*argv[4] == 0 || *endp != 0)
-		return CMD_RET_USAGE;
-	dstlen = simple_strtoul(argv[5], &endp, 16);
-	if (*argv[5] == 0 || *endp != 0)
-		return CMD_RET_USAGE;
+	if (argc == 5) {
+		if (!strcmp("load", argv[2]))
+			imgtype = BIT_FULL;
+		else if (!strcmp("loadp", argv[2]))
+			imgtype = BIT_PARTIAL;
+		else
+			return CMD_RET_USAGE;
+
+		srcaddr = simple_strtoul(argv[3], &endp, 16);
+		if (*argv[3] == 0 || *endp != 0)
+			return CMD_RET_USAGE;
+		srclen = simple_strtoul(argv[4], &endp, 16);
+		if (*argv[4] == 0 || *endp != 0)
+			return CMD_RET_USAGE;
+
+		dstaddr = 0xFFFFFFFF;
+		dstlen = srclen;
+	} else {
+		srcaddr = simple_strtoul(argv[2], &endp, 16);
+		if (*argv[2] == 0 || *endp != 0)
+			return CMD_RET_USAGE;
+		srclen = simple_strtoul(argv[3], &endp, 16);
+		if (*argv[3] == 0 || *endp != 0)
+			return CMD_RET_USAGE;
+		dstaddr = simple_strtoul(argv[4], &endp, 16);
+		if (*argv[4] == 0 || *endp != 0)
+			return CMD_RET_USAGE;
+		dstlen = simple_strtoul(argv[5], &endp, 16);
+		if (*argv[5] == 0 || *endp != 0)
+			return CMD_RET_USAGE;
+	}
 
 	/*
 	 * Roundup source and destination lengths to
@@ -516,6 +535,10 @@  static char zynq_help_text[] =
 	"                - Decrypts the encrypted image present in source\n"
 	"                  address and places the decrypted image at\n"
 	"                  destination address\n"
+	"aes load <srcaddr> <srclen>\n"
+	"aes loadp <srcaddr> <srclen>\n"
+	"       if operation type is load or loadp, it loads the encrypted\n"
+	"       full or partial bitstream on to PL respectively.\n"
 #endif
 	;
 #endif