Root Complex should be the default mode, let's set it explicitly.
Signed-off-by: Pali Rohár pali@kernel.org Reviewed-by: Marek Behún marek.behun@nic.cz --- drivers/pci/pci_mvebu.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/pci/pci_mvebu.c b/drivers/pci/pci_mvebu.c index e43fa12d3819..b0c673d8c472 100644 --- a/drivers/pci/pci_mvebu.c +++ b/drivers/pci/pci_mvebu.c @@ -62,6 +62,7 @@ DECLARE_GLOBAL_DATA_PTR; #define PCIE_MASK_ENABLE_INTS (0xf << 24) #define PCIE_CTRL_OFF 0x1a00 #define PCIE_CTRL_X1_MODE BIT(0) +#define PCIE_CTRL_RC_MODE BIT(1) #define PCIE_STAT_OFF 0x1a04 #define PCIE_STAT_BUS (0xff << 8) #define PCIE_STAT_DEV (0x1f << 16) @@ -373,6 +374,11 @@ static int mvebu_pcie_probe(struct udevice *dev) struct pci_controller *hose = dev_get_uclass_priv(ctlr); u32 reg;
+ /* Setup PCIe controller to Root Complex mode */ + reg = readl(pcie->base + PCIE_CTRL_OFF); + reg |= PCIE_CTRL_RC_MODE; + writel(reg, pcie->base + PCIE_CTRL_OFF); + /* * Change Class Code of PCI Bridge device to PCI Bridge (0x600400) * because default value is Memory controller (0x508000) which