diff options
Diffstat (limited to 'drivers/pci/controller/mobiveil/pcie-mobiveil-host.c')
-rw-r--r-- | drivers/pci/controller/mobiveil/pcie-mobiveil-host.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c index c637de3a389b..267b83b809f7 100644 --- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c +++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c @@ -76,9 +76,21 @@ static void __iomem *mobiveil_pcie_map_bus(struct pci_bus *bus, return rp->config_axi_slave_base + where; } +static int mobiveil_pcie_config_read(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + struct mobiveil_pcie *pcie = bus->sysdata; + struct mobiveil_root_port *rp = &pcie->rp; + + if (bus->number > to_pci_host_bridge(bus->bridge)->busnr && + rp->ops->read_other_conf) + return rp->ops->read_other_conf(bus, devfn, where, size, val); + + return pci_generic_config_read(bus, devfn, where, size, val); +} static struct pci_ops mobiveil_pcie_ops = { .map_bus = mobiveil_pcie_map_bus, - .read = pci_generic_config_read, + .read = mobiveil_pcie_config_read, .write = pci_generic_config_write, }; @@ -301,6 +313,10 @@ int mobiveil_host_init(struct mobiveil_pcie *pcie, bool reinit) value |= (PCI_CLASS_BRIDGE_PCI << 16); mobiveil_csr_writel(pcie, value, PAB_INTP_AXI_PIO_CLASS); + /* Platform specific host init */ + if (pcie->ops->host_init) + return pcie->ops->host_init(pcie); + return 0; } |