pci: pci_mvebu: Do not automatically enable bus mastering on PCI Bridge

Now that PCI Bridge is working, U-Boot's CONFIG_PCI_PNP code automatically
enables memory access and bus mastering when it is needed. So do not
prematurely enable memory access and bus mastering.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/drivers/pci/pci_mvebu.c b/drivers/pci/pci_mvebu.c
index 4cb237d..4c7fd8d 100644 (file)
--- a/drivers/pci/pci_mvebu.c
+++ b/drivers/pci/pci_mvebu.c
@@ -451,14 +451,6 @@ static int mvebu_pcie_probe(struct udevice *dev)
        /* Setup windows and configure host bridge */
        mvebu_pcie_setup_wins(pcie);
 
-       /* Master + slave enable. */
-       reg = readl(pcie->base + PCIE_CMD_OFF);
-       reg |= PCI_COMMAND_MEMORY;
-       reg |= PCI_COMMAND_IO;
-       reg |= PCI_COMMAND_MASTER;
-       reg |= BIT(10);         /* disable interrupts */
-       writel(reg, pcie->base + PCIE_CMD_OFF);
-
        /* PCI memory space */
        pci_set_region(hose->regions + 0, pcie->mem.start,
                       pcie->mem.start, PCIE_MEM_SIZE, PCI_REGION_MEM);