Pandita, Vikram wrote: > >> -----Original Message----- >> From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of Gary >> Thomas >> Sent: Tuesday, June 09, 2009 12:46 PM >> To: linux-omap@xxxxxxxxxxxxxxx >> Subject: MUSB Host problems >> >> I'm trying to get MUSB Host working on my 3530 platform (very > > Based on your description, its not MUSB but the USBHOST EHCI block that you want to get working. Sorry, mistaken terminology. Yes, I'm trying to get the host ECHI working. >> similar to the Beagle). When I startup, I get this message: >> Clock usbhost_48m_fck didn't enable in 100000 tries > > This is bad Why? What does it mean? How do I fix it? >> What does this mean? How do I fix it? >> >> Currently, the USB subsystem finds the various hubs (ports 0-2). >> The OTG port (0) works great. When I plug in a device to USB-1, > > Is this a full speed device? > >> it sees it, but immediately gives up :-( >> ehci-omap ehci-omap.0: GetStatus port 1 status 001803 POWER sig=j CSC CONNECT >> hub 1-0:1.0: port 1: status 0501 change 0001 >> hub 1-0:1.0: state 7 ports 3 chg 0002 evt 0000 >> hub 1-0:1.0: port 1, status 0501, change 0000, 480 Mb/s >> ehci-omap ehci-omap.0: port 1 full speed --> companion > > Looks like your device is getting recognized as a full speed. > So EHCI cannot handle it. Odd, this is a high speed device (USB 2.0). I also tried a 2.0 hub, same result. What could confuse it like this? > > You need to have OHCI driver built in which is not present in linux-omap code base. Do, how does one use an arbitrary device on the EHCI port? Must I use a 2.0 hub? >> ehci-omap ehci-omap.0: GetStatus port 1 status 003801 POWER OWNER sig=j CONNECT >> hub 1-0:1.0: port 1 not reset yet, waiting 50ms >> ehci-omap ehci-omap.0: GetStatus port 1 status 003002 POWER OWNER sig=se0 CSC >> hub 1-0:1.0: unable to enumerate USB device on port 1 >> hub 1-0:1.0: state 7 ports 3 chg 0000 evt 0002 >> hub 1-0:1.0: hub_suspend >> Then it's dead. Any ideas? Note: this is unproven hardware, I'm mostly looking for ideas on how to troubleshoot the problems. Thanks -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------ -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
