From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Thu, 5 Jun 2014 19:53:28 +0200 Subject: [U-Boot] U-boot hangs on imx6 pci driver In-Reply-To: References: Message-ID: <201406051953.28676.marex@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thursday, June 05, 2014 at 05:27:08 PM, Fabio Estevam wrote: > Tim, > > On Wed, Jun 4, 2014 at 9:16 PM, Tim Harvey wrote: > > work-around the problem on my end as well. Note that I do not see this > > issue unless I'm using one of our boards with a PCIe switch and If I > > disable PCI support in u-boot this does not occur. This feels like a > > Does this help? > > drivers/pci/pcie_imx.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/pci/pcie_imx.c b/drivers/pci/pcie_imx.c > index c48737e..190cdec 100644 > --- a/drivers/pci/pcie_imx.c > +++ b/drivers/pci/pcie_imx.c > @@ -435,8 +435,7 @@ static int imx6_pcie_init_phy(void) > clrbits_le32(&iomuxc_regs->gpr[12], IOMUXC_GPR12_APPS_LTSSM_ENABLE); > > clrsetbits_le32(&iomuxc_regs->gpr[12], > - IOMUXC_GPR12_DEVICE_TYPE_MASK, > - IOMUXC_GPR12_DEVICE_TYPE_RC); > + IOMUXC_GPR12_DEVICE_TYPE_MASK, 4 << 12); Is this the setting of RC-mode in GPR12 ? That's wrong in the FSL datasheet, not in the code IIRC ;-) Best regards, Marek Vasut