From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Nelson Date: Sun, 28 Sep 2014 18:35:14 -0700 Subject: [U-Boot] [PATCH] usb: ci_udc: respect CONFIG_USB_GADGET_DUALSPEED In-Reply-To: <20140929012119.GA21079@saruman> References: <20140929012119.GA21079@saruman> Message-ID: <1411954514-18549-1-git-send-email-eric.nelson@boundarydevices.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 --- V2 uses PFSC constant, setbits_le32, and expands commit message V3 removes restriction on i.MX6 and extraneous declaration drivers/usb/gadget/ci_udc.c | 5 +++++ 1 file changed, 5 insertions(+) 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 */ -- 1.9.1