| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* TODO: Check if this is still correct */ |
| |
| #include <amdblocks/gpio.h> |
| #include <amdblocks/smi.h> |
| #include <amdblocks/xhci.h> |
| #include <bootstate.h> |
| #include <device/device.h> |
| #include <device/pci_ids.h> |
| #include <drivers/usb/pci_xhci/pci_xhci.h> |
| #include <soc/pci_devs.h> |
| #include <soc/smi.h> |
| |
| static const struct sci_source xhci_sci_sources[] = { |
| { |
| .scimap = SMITYPE_XHC0_PME, |
| .gpe = XHCI_GEVENT, |
| .direction = SMI_SCI_LVL_HIGH, |
| .level = SMI_SCI_EDG |
| }, |
| { |
| .scimap = SMITYPE_XHC1_PME, |
| .gpe = XHCI_GEVENT, |
| .direction = SMI_SCI_LVL_HIGH, |
| .level = SMI_SCI_EDG |
| }, |
| { |
| .scimap = SMITYPE_XHC2_PME, |
| .gpe = XHCI_GEVENT, |
| .direction = SMI_SCI_LVL_HIGH, |
| .level = SMI_SCI_EDG |
| } |
| }; |
| |
| enum cb_err pci_xhci_get_wake_gpe(const struct device *dev, int *gpe) |
| { |
| if (dev->bus->dev->path.type != DEVICE_PATH_PCI) |
| return CB_ERR_ARG; |
| |
| if (dev->path.type != DEVICE_PATH_PCI) |
| return CB_ERR_ARG; |
| |
| if (dev->bus->dev->path.pci.devfn == PCIE_ABC_A_DEVFN) { |
| if (dev->path.pci.devfn == XHCI0_DEVFN) { |
| *gpe = xhci_sci_sources[0].gpe; |
| return CB_SUCCESS; |
| } else if (dev->path.pci.devfn == XHCI1_DEVFN) { |
| *gpe = xhci_sci_sources[1].gpe; |
| return CB_SUCCESS; |
| } |
| } else if (dev->bus->dev->path.pci.devfn == PCIE_GPP_C_DEVFN) { |
| if (dev->path.pci.devfn == XHCI2_DEVFN |
| && dev->device == PCI_DID_AMD_FAM17H_MODELA0H_XHCI2) { |
| *gpe = xhci_sci_sources[2].gpe; |
| return CB_SUCCESS; |
| } |
| } |
| |
| return CB_ERR_ARG; |
| } |
| |
| static void configure_xhci_sci(void *unused) |
| { |
| const struct device *xhci_2 = DEV_PTR(xhci_2); |
| if (xhci_2->device == PCI_DID_AMD_FAM17H_MODELA0H_XHCI2) |
| gpe_configure_sci(xhci_sci_sources, ARRAY_SIZE(xhci_sci_sources)); |
| else |
| gpe_configure_sci(xhci_sci_sources, ARRAY_SIZE(xhci_sci_sources) - 1); |
| } |
| |
| BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, configure_xhci_sci, NULL); |