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 ---
V2: Fix build for aarch64
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..4a298849c5 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((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; @@ -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((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;