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| author | Eric Nelson <eric.nelson@boundarydevices.com> | 2014-09-28 18:35:14 -0700 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2014-10-06 14:50:44 +0200 |
| commit | e206799370f77097a29577599960b7f123f61b8c (patch) | |
| tree | b0707b4437aa5a103f7af887c055e42edcc0c871 /drivers | |
| parent | 23d1d10c4248f1b9f838e512e7f18e600f06b348 (diff) | |
| download | u-boot-imx-e206799370f77097a29577599960b7f123f61b8c.zip u-boot-imx-e206799370f77097a29577599960b7f123f61b8c.tar.gz u-boot-imx-e206799370f77097a29577599960b7f123f61b8c.tar.bz2 | |
usb: ci_udc: respect CONFIG_USB_GADGET_DUALSPEED
Force full-speed (12 Mbit/s) operation if CONFIG_USB_GADGET_DUALSPEED
is not defined.
The controller is capable of high-speed (480 Mbit/s) operation,
but some designs may require the use of lower-speed operation.
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/ci_udc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index 2572b34..b0ef35e 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -777,6 +777,11 @@ static int ci_pullup(struct usb_gadget *gadget, int is_on) /* select DEVICE mode */ writel(USBMODE_DEVICE, &udc->usbmode); +#if !defined(CONFIG_USB_GADGET_DUALSPEED) + /* Port force Full-Speed Connect */ + setbits_le32(&udc->portsc, PFSC); +#endif + writel(0xffffffff, &udc->epflush); /* Turn on the USB connection by enabling the pullup resistor */ |