From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Spielberger Date: Tue, 7 Jun 2011 10:03:15 +0200 Subject: [U-Boot] USB support on beagleboard xM In-Reply-To: <4DE65F8E.5010704@bct-electronic.com> References: <4DE65F8E.5010704@bct-electronic.com> Message-ID: <4DEDDB43.9040703@bct-electronic.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de We added the following initialization of the ULPI at the bottom of ehci_hcd_init with no result. reg = ( 1 << 5 ) /* ULPI_FUNC_CTRL_RESET */ /* FUNCTION_CTRL_SET register */ | ( 0x05 << 16 ) /* Write */ | ( 2 << 22 ) /* PORTn */ | ((1 + 1) << 24 ) /* start ULPI access*/ | (1 << 31); ehci_writel(0x480648A4UL, reg); The HSB2HS_CLK still is not active as we saw on the oscilloscope. Does anybody know how to activate the clock signal on this pin? Help would be great. regards, chris.