[U-Boot] U-boot hangs on imx6 pci driver

Fabio Estevam
2014-06-05T15:27:08Z

Tim,

On Wed, Jun 4, 2014 at 9:16 PM, Tim Harvey <tharvey@gateworks.com> 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);
clrsetbits_le32(&iomuxc_regs->gpr[12],
IOMUXC_GPR12_LOS_LEVEL_MASK,
IOMUXC_GPR12_LOS_LEVEL_9);