diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index e4b8017414b8dfe5e0829f9fb7ef41858049a755..dbf38aab2ca518f0d8c5fdd94d76daf109c23830 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -81,6 +81,16 @@ enum board_ids { board_ahci_mcp79 = board_ahci_mcp77, }; +static bool is_zhaoxin_cpu(void) +{ +#ifdef CONFIG_X86 + if (boot_cpu_data.x86_vendor == X86_VENDOR_ZHAOXIN || + boot_cpu_data.x86_vendor == X86_VENDOR_CENTAUR) + return true; +#endif + return false; +} + static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); static void ahci_remove_one(struct pci_dev *dev); static void ahci_shutdown_one(struct pci_dev *dev); @@ -1900,6 +1910,9 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (ahci_sb600_enable_64bit(pdev)) hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY; + if (pdev->vendor == PCI_VENDOR_ID_ZHAOXIN && !is_zhaoxin_cpu()) + hpriv->flags |= AHCI_HFLAG_32BIT_ONLY; + hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar]; /* detect remapped nvme devices */ diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index d80c2df54a6a8ccd96116c7ba3aa4a09bcb1b50b..93f409b17fead91f2c164499775924d3136f8511 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -308,6 +308,16 @@ static int xhci_pci_reinit(struct xhci_hcd *xhci, struct pci_dev *pdev) return 0; } +static bool is_zhaoxin_cpu(void) +{ +#ifdef CONFIG_X86 + if (boot_cpu_data.x86_vendor == X86_VENDOR_ZHAOXIN || + boot_cpu_data.x86_vendor == X86_VENDOR_CENTAUR) + return true; +#endif + return false; +} + static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) { struct pci_dev *pdev = to_pci_dev(dev); @@ -568,6 +578,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) } } + if (pdev->vendor == PCI_VENDOR_ID_ZHAOXIN && !is_zhaoxin_cpu()) { + xhci->quirks |= XHCI_NO_64BIT_SUPPORT; + if (pdev->device == 0x9203) + xhci->quirks |= XHCI_RESET_ON_RESUME; + } + if (pdev->vendor == PCI_DEVICE_ID_CADENCE && pdev->device == PCI_DEVICE_ID_CADENCE_SSP) xhci->quirks |= XHCI_CDNS_SCTX_QUIRK;