1 files changed, 47 insertions, 0 deletions
diff --git a/board/toradex/colibri_imx7/do_fuse.c b/board/toradex/colibri_imx7/do_fuse.c
new file mode 100644
index 0000000000..13f3efa97c
--- /dev/null
+++ b/board/toradex/colibri_imx7/do_fuse.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2016, Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * Helpers for i.MX OTP fusing during module production
+*/
+
+#include <common.h>
+#include <fuse.h>
+
+static int mfgr_fuse(void)
+{
+	unsigned val, val6;
+
+	fuse_sense(1, 3, &val);
+	printf("Fuse 1, 3: %8x\n", val);
+	if(val & 0x10000000)
+	{
+		puts("BT_FUSE_SEL already fused, will do nothing\n");
+		return CMD_RET_FAILURE;
+	}
+	/* BT_FUSE_SEL & boot cfg */
+	fuse_prog(1, 3, 0x10003400);
+	return CMD_RET_SUCCESS;
+}
+
+int do_mfgr_fuse(cmd_tbl_t *cmdtp, int flag, int argc,
+		char * const argv[])
+{
+	int ret;
+	puts("Fusing...\n");
+	ret = mfgr_fuse();
+	if (ret == CMD_RET_SUCCESS)
+		puts("done.\n");
+	else
+		puts("failed.\n");
+	return ret;
+}
+
+U_BOOT_CMD(
+	mfgr_fuse, 1, 0, do_mfgr_fuse,
+	"OTP fusing during module production\n",
+	""
+);