diff options
Diffstat (limited to 'drivers/usb/dwc3/dwc3-pci.c')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-pci.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index a36cf66302fb..7c4faf738747 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -25,6 +25,8 @@ #include <linux/usb/otg.h> #include <linux/usb/usb_phy_generic.h> +#include "platform_data.h" + /* FIXME define these in <linux/pci_ids.h> */ #define PCI_VENDOR_ID_SYNOPSYS 0x16c3 #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd @@ -102,6 +104,9 @@ static int dwc3_pci_probe(struct pci_dev *pci, struct dwc3_pci *glue; int ret; struct device *dev = &pci->dev; + struct dwc3_platform_data dwc3_pdata; + + memset(&dwc3_pdata, 0x00, sizeof(dwc3_pdata)); glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL); if (!glue) @@ -140,6 +145,31 @@ static int dwc3_pci_probe(struct pci_dev *pci, res[1].name = "dwc_usb3"; res[1].flags = IORESOURCE_IRQ; + if (pci->vendor == PCI_VENDOR_ID_AMD && + pci->device == PCI_DEVICE_ID_AMD_NL_USB) { + dwc3_pdata.has_lpm_erratum = true; + dwc3_pdata.lpm_nyet_threshold = 0xf; + + dwc3_pdata.u2exit_lfps_quirk = true; + dwc3_pdata.u2ss_inp3_quirk = true; + dwc3_pdata.req_p1p2p3_quirk = true; + dwc3_pdata.del_p1p2p3_quirk = true; + dwc3_pdata.del_phy_power_chg_quirk = true; + dwc3_pdata.lfps_filter_quirk = true; + dwc3_pdata.rx_detect_poll_quirk = true; + + dwc3_pdata.tx_de_emphasis_quirk = true; + dwc3_pdata.tx_de_emphasis = 1; + + /* + * FIXME these quirks should be removed when AMD NL + * taps out + */ + dwc3_pdata.disable_scramble_quirk = true; + dwc3_pdata.dis_u3_susphy_quirk = true; + dwc3_pdata.dis_u2_susphy_quirk = true; + } + ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res)); if (ret) { dev_err(dev, "couldn't add resources to dwc3 device\n"); @@ -148,6 +178,10 @@ static int dwc3_pci_probe(struct pci_dev *pci, pci_set_drvdata(pci, glue); + ret = platform_device_add_data(dwc3, &dwc3_pdata, sizeof(dwc3_pdata)); + if (ret) + goto err3; + dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask); dwc3->dev.dma_mask = dev->dma_mask; @@ -185,6 +219,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), }, { } /* Terminating Entry */ }; MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); |