| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| // Use simple device model for this file even in ramstage |
| #define __SIMPLE_DEVICE__ |
| |
| #include <stdint.h> |
| #include <device/pci_ops.h> |
| #include <device/pci_ehci.h> |
| #include <device/pci_def.h> |
| |
| pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx) |
| { |
| u32 class; |
| pci_devfn_t dev; |
| |
| if (!CONFIG(HAVE_USBDEBUG_OPTIONS)) |
| return PCI_DEV(0, 0x1d, 7); |
| |
| if (hcd_idx == 2) |
| dev = PCI_DEV(0, 0x1a, 0); |
| else |
| dev = PCI_DEV(0, 0x1d, 0); |
| |
| /* If we enter here before RCBA programming, EHCI function may |
| * appear with the highest function number instead. |
| */ |
| class = pci_read_config32(dev, PCI_CLASS_REVISION) >> 8; |
| if (class != PCI_EHCI_CLASSCODE) |
| dev |= PCI_DEV(0, 0, 7); |
| |
| return dev; |
| } |
| |
| /* Required for successful build, but currently empty. */ |
| void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port) |
| { |
| /* Not needed, the ICH* southbridges hardcode physical USB port 1. */ |
| } |