usb: mx6: add fuse check

Add fuse check for USB. If the fuse indicates the module
will not work in the SoC, let's fail the initialization.

Signed-off-by: Peng Fan <peng.fan@nxp.com>

drivers/usb/host/ehci-mx6.c

@@ -380,6 +380,14 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 	if (index > 3)
 		return -EINVAL;
 
+	if (CONFIG_IS_ENABLED(IMX_MODULE_FUSE)) {
+		if (usb_fused((ulong)ehci)) {
+			printf("SoC fuse indicates USB@0x%lx is unavailable.\n",
+			       (ulong)ehci);
+			return	-ENODEV;
+		}
+	}
+
 	ret = ehci_mx6_common_init(ehci, index);
 	if (ret)
 		return ret;
@@ -577,6 +585,14 @@ static int ehci_usb_probe(struct udevice *dev)
 	struct ehci_hcor *hcor;
 	int ret;
 
+	if (CONFIG_IS_ENABLED(IMX_MODULE_FUSE)) {
+		if (usb_fused((ulong)ehci)) {
+			printf("SoC fuse indicates USB@0x%lx is unavailable.\n",
+			       (ulong)ehci);
+			return -ENODEV;
+		}
+	}
+
 	priv->ehci = ehci;
 	priv->portnr = dev->seq;
 	priv->init_type = type;