[U-Boot] [PATCH V2] usb: ci_udc: respect CONFIG_USB_GADGET_DUALSPEED

[Eric Nelson]

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 at boundarydevices.com>
---
 drivers/usb/gadget/ci_udc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c
index 2572b34..dbbeff7 100644
--- a/drivers/usb/gadget/ci_udc.c
+++ b/drivers/usb/gadget/ci_udc.c
@@ -766,6 +766,7 @@ void udc_disconnect(void)
 
 static int ci_pullup(struct usb_gadget *gadget, int is_on)
 {
+	u32 regval;
 	struct ci_udc *udc = (struct ci_udc *)controller.ctrl->hcor;
 	if (is_on) {
 		/* RESET */
@@ -777,6 +778,11 @@ 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) && defined(CONFIG_MX6)
+		/* 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 */
-- 
1.9.1