diff options
Diffstat (limited to 'drivers/pci/pcie_fsl.c')
| -rw-r--r-- | drivers/pci/pcie_fsl.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/pcie_fsl.c b/drivers/pci/pcie_fsl.c index 4600652f2b1..8d89a1e5919 100644 --- a/drivers/pci/pcie_fsl.c +++ b/drivers/pci/pcie_fsl.c @@ -58,6 +58,14 @@ static int fsl_pcie_read_config(const struct udevice *bus, pci_dev_t bdf, return 0; } + /* Skip Freescale PCIe controller's PEXCSRBAR register */ + if (PCI_BUS(bdf) - dev_seq(bus) == 0 && + PCI_DEV(bdf) == 0 && PCI_FUNC(bdf) == 0 && + (offset & ~3) == PCI_BASE_ADDRESS_0) { + *valuep = 0; + return 0; + } + val = PCI_CONF1_EXT_ADDRESS(PCI_BUS(bdf) - dev_seq(bus), PCI_DEV(bdf), PCI_FUNC(bdf), offset); @@ -95,6 +103,12 @@ static int fsl_pcie_write_config(struct udevice *bus, pci_dev_t bdf, if (fsl_pcie_addr_valid(pcie, bdf)) return 0; + /* Skip Freescale PCIe controller's PEXCSRBAR register */ + if (PCI_BUS(bdf) - dev_seq(bus) == 0 && + PCI_DEV(bdf) == 0 && PCI_FUNC(bdf) == 0 && + (offset & ~3) == PCI_BASE_ADDRESS_0) + return 0; + val = PCI_CONF1_EXT_ADDRESS(PCI_BUS(bdf) - dev_seq(bus), PCI_DEV(bdf), PCI_FUNC(bdf), offset); |