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....@nxp.com>
---

V2:
 Update commit and debug info

 drivers/usb/host/ehci-mx6.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c
index e9e6ed596d..60b4d1ceb3 100644
--- a/drivers/usb/host/ehci-mx6.c
+++ b/drivers/usb/host/ehci-mx6.c
@@ -353,6 +353,14 @@ int ehci_hcd_init(int index, enum usb_init_type init,
        if (index > 3)
                return -EINVAL;
 
+       if (IS_ENABLED(CONFIG_IMX_MODULE_FUSE)) {
+               if (usb_fused((u32)ehci)) {
+                       printf("SoC fuse indicates USB@0x%x is unavailable.\n",
+                              (u32)ehci);
+                       return  -ENODEV;
+               }
+       }
+
        ret = ehci_mx6_common_init(ehci, index);
        if (ret)
                return ret;
@@ -549,6 +557,14 @@ static int ehci_usb_probe(struct udevice *dev)
        struct ehci_hcor *hcor;
        int ret;
 
+       if (IS_ENABLED(CONFIG_IMX_MODULE_FUSE)) {
+               if (usb_fused((u32)ehci)) {
+                       printf("SoC fuse indicates USB@0x%x is unavailable.\n",
+                              (u32)ehci);
+                       return -ENODEV;
+               }
+       }
+
        priv->ehci = ehci;
        priv->portnr = dev->seq;
        priv->init_type = type;
-- 
2.16.4

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