diff options
Diffstat (limited to 'payloads/libpayload/drivers/usb/quirks.c')
| -rw-r--r-- | payloads/libpayload/drivers/usb/quirks.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/usb/quirks.c b/payloads/libpayload/drivers/usb/quirks.c index 0a3514933c..d5be0e6cda 100644 --- a/payloads/libpayload/drivers/usb/quirks.c +++ b/payloads/libpayload/drivers/usb/quirks.c @@ -59,6 +59,30 @@ usb_quirks_t usb_quirks[] = { */ }; +#if CONFIG(LP_USB_PCI) +usb_quirks_t pci_quirks[] = { + /* QEMU XHCI root hub does not implement port change detect */ + { 0x1b36, 0x000d, USB_QUIRK_HUB_NO_USBSTS_PCD, 0 }, +}; + +u32 pci_quirk_check(pcidev_t controller) +{ + int i; + u16 vendor = pci_read_config16(controller, REG_VENDOR_ID); + u16 device = pci_read_config16(controller, REG_DEVICE_ID); + + for (i = 0; i < ARRAY_SIZE(pci_quirks); i++) { + if ((pci_quirks[i].vendor == vendor) && + (pci_quirks[i].device == device)) { + printf("PCI quirks enabled: %08x\n", pci_quirks[i].quirks); + return pci_quirks[i].quirks; + } + } + + return USB_QUIRK_NONE; +} +#endif + u32 usb_quirk_check(u16 vendor, u16 device) { int i; |