From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel@caiaq.de (Daniel Mack) Date: Tue, 1 Dec 2009 15:26:10 +0100 Subject: USB support on i.MX27 In-Reply-To: <37367b3a0912010616r26ff385bqe6b85db1c510822f@mail.gmail.com> References: <37367b3a0911240343u58e3b3d2le5d48e638348a3ad@mail.gmail.com> <20091127101654.GP14091@buzzloop.caiaq.de> <37367b3a0911300707l2abafe3buf99f624c3c90b99@mail.gmail.com> <37367b3a0911301157k2a15cb80q5624cbd3f96063b8@mail.gmail.com> <37367b3a0912010616r26ff385bqe6b85db1c510822f@mail.gmail.com> Message-ID: <20091201142609.GP14091@buzzloop.caiaq.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Dec 01, 2009 at 12:16:03PM -0200, Alan Carvalho de Assis wrote: > On 11/30/09, Alan Carvalho de Assis wrote: > > I forgot to comment, I am configuring usbh2's portsc as on mx31lite: > > > > .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, > > > > I defined and configured usbh2 pins: > > /* USBH2 */ > > PA0_PF_USBH2_CLK, > > PA1_PF_USBH2_DIR, > > PA3_PF_USBH2_NXT, > > PA4_PF_USBH2_STP, > > PD22_AF_USBH2_DATA0, > > PD24_AF_USBH2_DATA1, > > PD23_AF_USBH2_DATA2, > > PD20_AF_USBH2_DATA3, > > PD19_AF_USBH2_DATA4, > > PD26_AF_USBH2_DATA5, > > PD21_AF_USBH2_DATA6, > > PA2_PF_USBH2_DATA7, > > PA24_AIN_SLDCD1_D0, /* EN_B */ > > PA26_PF_PS, /* RES_B */ > > > > What you think could be this issue? > > > > More some debug and everything worked fine: Hmm, I don't follow. You added some debug output and it started working, is that what you say? Do we possibly need memory barriers somewhere? Can you post a patch with your changes, please? Daniel