diff options
| author | Peng Fan <peng.fan@nxp.com> | 2020-05-01 22:08:36 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2020-05-10 13:21:27 +0200 |
| commit | 0bd3d911df12816ab8e32d9245449aeca484b539 (patch) | |
| tree | 0e5df8f7f25a537fc8a699cde2c10f10aa0f7bae /drivers/usb | |
| parent | 7d1ee741d1367172eaf92c554ebf56b9cba13504 (diff) | |
| download | u-boot-0bd3d911df12816ab8e32d9245449aeca484b539.tar.gz | |
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>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-mx6.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index f2ceb51310..04eb3c006d 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/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; |