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>
diff --git a/arch/arm/mach-socfpga/vab.c b/arch/arm/mach-socfpga/vab.c
new file mode 100644
index 0000000..85b3f30
--- /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"
+);