From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Date: Wed, 10 Dec 2014 16:23:49 +0100 Subject: [U-Boot] USB Host not enumerating properly on AM335x-based board In-Reply-To: <20141120164917.GF24143@lukather> References: <20141120164917.GF24143@lukather> Message-ID: <20141210152349.GW8739@lukather> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi, On Thu, Nov 20, 2014 at 05:49:17PM +0100, Maxime Ripard wrote: > Hi, > > I'm currently working on 2014.07, on a custom TI AM335x based board. > > Everything works great so far, except when we're trying to have USB > host working. > > The board has the MUSB1 controller wired as USB Host only, with the > following configuration: > > #define CONFIG_USB_MUSB_DSPS > #define CONFIG_ARCH_MISC_INIT > #define CONFIG_MUSB_PIO_ONLY > #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT > #define CONFIG_MUSB_HOST > #define CONFIG_MUSB_DSPS > #define CONFIG_AM335X_USB1 > #define CONFIG_AM335X_USB1_MODE MUSB_HOST > > #ifdef CONFIG_MUSB_HOST > #define CONFIG_CMD_USB > #define CONFIG_USB_STORAGE > #define CONFIG_USB_HOST_ETHER > #define CONFIG_USB_ETHER_ASIX > #endif > > Whenever we try to scan the USB controller and that a device is > attached, we get the following output: > > U-Boot# usb start > (Re)start USB... > USB0: scanning bus 0 for devices... 1 USB Device(s) found > scanning usb for storage devices... 0 Storage Device(s) found > scanning usb for ethernet devices... 0 Ethernet Device(s) found Just an update on this one. Our configuration was missing CONFIG_USB_GADGET_DUALSPEED that, even though its name suggest otherwise, seems to be needed to enable USB2.0 devices support in the musb-new driver. With this additional configuration option, everything works as expected. Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: