arm: socfpga: cmd: Support 'vab' command

Support 'vab' command to perform vendor authentication.

Command format: vab addr len
Authorize 'len' bytes starting at 'addr' via vendor public key

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/arch/arm/mach-socfpga/vab.c b/arch/arm/mach-socfpga/vab.c
new file mode 100644
index 0000000000..85b3f30211
--- /dev/null
+++ b/arch/arm/mach-socfpga/vab.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Intel Corporation <www.intel.com>
+ *
+ */
+
+#include <asm/arch/secure_vab.h>
+#include <command.h>
+#include <common.h>
+#include <linux/ctype.h>
+
+static int do_vab(struct cmd_tbl *cmdtp, int flag, int argc,
+		  char *const argv[])
+{
+	unsigned long addr, len;
+
+	if (argc < 3)
+		return CMD_RET_USAGE;
+
+	addr = simple_strtoul(argv[1], NULL, 16);
+	len = simple_strtoul(argv[2], NULL, 16);
+
+	if (socfpga_vendor_authentication((void *)&addr, (size_t *)&len) != 0)
+		return CMD_RET_FAILURE;
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	vab,	3,	2,	do_vab,
+	"perform vendor authorization",
+	"addr len   - authorize 'len' bytes starting at\n"
+	"                 'addr' via vendor public key"
+);