diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/dwc/pcie-hisi.c | 82 | ||||
| -rw-r--r-- | drivers/pci/host/pci-host-common.c | 2 | ||||
| -rw-r--r-- | drivers/pci/quirks.c | 1 |
3 files changed, 73 insertions, 12 deletions
diff --git a/drivers/pci/dwc/pcie-hisi.c b/drivers/pci/dwc/pcie-hisi.c index 386467a4f00f..e3e4fedd9f68 100644 --- a/drivers/pci/dwc/pcie-hisi.c +++ b/drivers/pci/dwc/pcie-hisi.c @@ -24,10 +24,10 @@ #include <linux/regmap.h> #include "../pci.h" -#if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS) +#if defined(CONFIG_PCI_HISI) || (defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS)) -static int hisi_pcie_acpi_rd_conf(struct pci_bus *bus, u32 devfn, int where, - int size, u32 *val) +static int hisi_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, + int size, u32 *val) { struct pci_config_window *cfg = bus->sysdata; int dev = PCI_SLOT(devfn); @@ -44,8 +44,8 @@ static int hisi_pcie_acpi_rd_conf(struct pci_bus *bus, u32 devfn, int where, return pci_generic_config_read(bus, devfn, where, size, val); } -static int hisi_pcie_acpi_wr_conf(struct pci_bus *bus, u32 devfn, - int where, int size, u32 val) +static int hisi_pcie_wr_conf(struct pci_bus *bus, u32 devfn, + int where, int size, u32 val) { struct pci_config_window *cfg = bus->sysdata; int dev = PCI_SLOT(devfn); @@ -74,6 +74,8 @@ static void __iomem *hisi_pcie_map_bus(struct pci_bus *bus, unsigned int devfn, return pci_ecam_map_bus(bus, devfn, where); } +#if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS) + static int hisi_pcie_init(struct pci_config_window *cfg) { struct device *dev = cfg->parent; @@ -110,8 +112,8 @@ struct pci_ecam_ops hisi_pcie_ops = { .init = hisi_pcie_init, .pci_ops = { .map_bus = hisi_pcie_map_bus, - .read = hisi_pcie_acpi_rd_conf, - .write = hisi_pcie_acpi_wr_conf, + .read = hisi_pcie_rd_conf, + .write = hisi_pcie_wr_conf, } }; @@ -139,7 +141,7 @@ struct hisi_pcie { struct dw_pcie *pci; struct regmap *subctrl; u32 port_id; - struct pcie_soc_ops *soc_ops; + const struct pcie_soc_ops *soc_ops; }; /* HipXX PCIe host only supports 32-bit config access */ @@ -265,7 +267,6 @@ static int hisi_pcie_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct dw_pcie *pci; struct hisi_pcie *hisi_pcie; - const struct of_device_id *match; struct resource *reg; struct device_driver *driver; int ret; @@ -283,11 +284,10 @@ static int hisi_pcie_probe(struct platform_device *pdev) driver = dev->driver; - match = of_match_device(driver->of_match_table, dev); - hisi_pcie->soc_ops = (struct pcie_soc_ops *) match->data; + hisi_pcie->soc_ops = of_device_get_match_data(dev); hisi_pcie->subctrl = - syscon_regmap_lookup_by_compatible("hisilicon,pcie-sas-subctrl"); + syscon_regmap_lookup_by_compatible("hisilicon,pcie-sas-subctrl"); if (IS_ERR(hisi_pcie->subctrl)) { dev_err(dev, "cannot get subctrl base\n"); return PTR_ERR(hisi_pcie->subctrl); @@ -336,4 +336,62 @@ static struct platform_driver hisi_pcie_driver = { }; builtin_platform_driver(hisi_pcie_driver); +static int hisi_pcie_almost_ecam_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct pci_ecam_ops *ops; + + ops = (struct pci_ecam_ops *)of_device_get_match_data(dev); + return pci_host_common_probe(pdev, ops); +} + +static int hisi_pcie_platform_init(struct pci_config_window *cfg) +{ + struct device *dev = cfg->parent; + struct platform_device *pdev = to_platform_device(dev); + struct resource *res; + void __iomem *reg_base; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (!res) { + dev_err(dev, "missing \"reg[1]\"property\n"); + return -EINVAL; + } + + reg_base = devm_ioremap(dev, res->start, resource_size(res)); + if (!reg_base) + return -ENOMEM; + + cfg->priv = reg_base; + return 0; +} + +struct pci_ecam_ops hisi_pcie_platform_ops = { + .bus_shift = 20, + .init = hisi_pcie_platform_init, + .pci_ops = { + .map_bus = hisi_pcie_map_bus, + .read = hisi_pcie_rd_conf, + .write = hisi_pcie_wr_conf, + } +}; + +static const struct of_device_id hisi_pcie_almost_ecam_of_match[] = { + { + .compatible = "hisilicon,pcie-almost-ecam", + .data = (void *) &hisi_pcie_platform_ops, + }, + {}, +}; + +static struct platform_driver hisi_pcie_almost_ecam_driver = { + .probe = hisi_pcie_almost_ecam_probe, + .driver = { + .name = "hisi-pcie-almost-ecam", + .of_match_table = hisi_pcie_almost_ecam_of_match, + }, +}; +builtin_platform_driver(hisi_pcie_almost_ecam_driver); + +#endif #endif diff --git a/drivers/pci/host/pci-host-common.c b/drivers/pci/host/pci-host-common.c index e3c48b5deb93..e9a53bae1c25 100644 --- a/drivers/pci/host/pci-host-common.c +++ b/drivers/pci/host/pci-host-common.c @@ -145,7 +145,9 @@ int pci_host_common_probe(struct platform_device *pdev, return -ENODEV; } +#ifdef CONFIG_ARM pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci); +#endif /* * We insert PCI resources into the iomem_resource and diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index a0b3cd5726dc..3deff4a98932 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1634,6 +1634,7 @@ static void quirk_pcie_mch(struct pci_dev *pdev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7520_MCH, quirk_pcie_mch); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7320_MCH, quirk_pcie_mch); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7525_MCH, quirk_pcie_mch); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI, 0x1610, quirk_pcie_mch); /* |