diff options
Diffstat (limited to 'drivers/pci/host/pcie-rcar.c')
| -rw-r--r-- | drivers/pci/host/pcie-rcar.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c index 4884ee5e07d..61158e03ab5 100644 --- a/drivers/pci/host/pcie-rcar.c +++ b/drivers/pci/host/pcie-rcar.c @@ -323,6 +323,7 @@ static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie) /* Setup PCIe address space mappings for each resource */ resource_size_t size; + resource_size_t res_start; u32 mask; rcar_pci_write_reg(pcie, 0x00000000, PCIEPTCTLR(win)); @@ -335,8 +336,13 @@ static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie) mask = (roundup_pow_of_two(size) / SZ_128) - 1; rcar_pci_write_reg(pcie, mask << 7, PCIEPAMR(win)); - rcar_pci_write_reg(pcie, upper_32_bits(res->start), PCIEPARH(win)); - rcar_pci_write_reg(pcie, lower_32_bits(res->start), PCIEPARL(win)); + if (res->flags & IORESOURCE_IO) + res_start = pci_pio_to_address(res->start); + else + res_start = res->start; + + rcar_pci_write_reg(pcie, upper_32_bits(res_start), PCIEPARH(win)); + rcar_pci_write_reg(pcie, lower_32_bits(res_start), PCIEPARL(win)); /* First resource is for IO */ mask = PAR_ENABLE; @@ -363,9 +369,10 @@ static int rcar_pcie_setup(int nr, struct pci_sys_data *sys) rcar_pcie_setup_window(i, pcie); - if (res->flags & IORESOURCE_IO) - pci_ioremap_io(nr * SZ_64K, res->start); - else + if (res->flags & IORESOURCE_IO) { + phys_addr_t io_start = pci_pio_to_address(res->start); + pci_ioremap_io(nr * SZ_64K, io_start); + } else pci_add_resource(&sys->resources, res); } pci_add_resource(&sys->resources, &pcie->busn); @@ -935,8 +942,10 @@ static int rcar_pcie_probe(struct platform_device *pdev) } for_each_of_pci_range(&parser, &range) { - of_pci_range_to_resource(&range, pdev->dev.of_node, + err = of_pci_range_to_resource(&range, pdev->dev.of_node, &pcie->res[win++]); + if (err < 0) + return err; if (win > RCAR_PCI_MAX_RESOURCES) break; |