Martin Roth | f95a11e | 2022-10-21 16:43:08 -0600 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | /* TODO: Update for Glinda */ |
| 4 | |
| 5 | #include <amdblocks/gpio.h> |
| 6 | #include <amdblocks/smi.h> |
| 7 | #include <bootstate.h> |
| 8 | #include <device/device.h> |
| 9 | #include <device/pci_ids.h> |
| 10 | #include <drivers/usb/pci_xhci/pci_xhci.h> |
| 11 | #include <soc/pci_devs.h> |
| 12 | #include <soc/smi.h> |
| 13 | |
| 14 | static const struct sci_source xhci_sci_sources[] = { |
| 15 | { |
| 16 | .scimap = SMITYPE_XHC0_PME, |
| 17 | .gpe = GEVENT_31, |
| 18 | .direction = SMI_SCI_LVL_HIGH, |
| 19 | .level = SMI_SCI_EDG |
| 20 | }, |
| 21 | { |
| 22 | .scimap = SMITYPE_XHC1_PME, |
| 23 | .gpe = GEVENT_31, |
| 24 | .direction = SMI_SCI_LVL_HIGH, |
| 25 | .level = SMI_SCI_EDG |
| 26 | }, |
| 27 | { |
| 28 | .scimap = SMITYPE_XHC2_PME, |
| 29 | .gpe = GEVENT_31, |
| 30 | .direction = SMI_SCI_LVL_HIGH, |
| 31 | .level = SMI_SCI_EDG |
| 32 | } |
| 33 | }; |
| 34 | |
| 35 | enum cb_err pci_xhci_get_wake_gpe(const struct device *dev, int *gpe) |
| 36 | { |
Arthur Heymans | 7fcd4d5 | 2023-08-24 15:12:19 +0200 | [diff] [blame^] | 37 | if (dev->upstream->dev->path.type != DEVICE_PATH_PCI) |
Martin Roth | f95a11e | 2022-10-21 16:43:08 -0600 | [diff] [blame] | 38 | return CB_ERR_ARG; |
| 39 | |
| 40 | if (dev->path.type != DEVICE_PATH_PCI) |
| 41 | return CB_ERR_ARG; |
| 42 | |
Arthur Heymans | 7fcd4d5 | 2023-08-24 15:12:19 +0200 | [diff] [blame^] | 43 | if (dev->upstream->dev->path.pci.devfn == PCIE_ABC_A_DEVFN) { |
Martin Roth | f95a11e | 2022-10-21 16:43:08 -0600 | [diff] [blame] | 44 | if (dev->path.pci.devfn == XHCI0_DEVFN) { |
| 45 | *gpe = xhci_sci_sources[0].gpe; |
| 46 | return CB_SUCCESS; |
| 47 | } else if (dev->path.pci.devfn == XHCI1_DEVFN) { |
| 48 | *gpe = xhci_sci_sources[1].gpe; |
| 49 | return CB_SUCCESS; |
| 50 | } |
Arthur Heymans | 7fcd4d5 | 2023-08-24 15:12:19 +0200 | [diff] [blame^] | 51 | } else if (dev->upstream->dev->path.pci.devfn == PCIE_ABC_C_DEVFN) { |
Martin Roth | f95a11e | 2022-10-21 16:43:08 -0600 | [diff] [blame] | 52 | if (dev->path.pci.devfn == XHCI2_DEVFN |
| 53 | && dev->device == PCI_DID_AMD_FAM17H_MODELA0H_XHCI2) { |
| 54 | *gpe = xhci_sci_sources[2].gpe; |
| 55 | return CB_SUCCESS; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | return CB_ERR_ARG; |
| 60 | } |
| 61 | |
| 62 | static void configure_xhci_sci(void *unused) |
| 63 | { |
| 64 | gpe_configure_sci(xhci_sci_sources, ARRAY_SIZE(xhci_sci_sources) - 1); |
| 65 | } |
| 66 | |
| 67 | BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, configure_xhci_sci, NULL); |