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

On Thu, Jun 5, 2014 at 2:53 PM, Marek Vasut marex@denx.de wrote:

...

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 ;-)

Yes, RM is wrong. U-boot is setting it to 2. Kernel sets it to 4, which is the correct value.