src/soc/intel/tigerlake/xhci.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/pci_type.h>
   4 #include <intelblocks/xhci.h>
   5 #include <soc/pci_devs.h>
   6 #include <stddef.h>
   7
   8 #define PCH_XHCI_USB2_PORT_STATUS_REG   0x480
   9 #define PCH_XHCI_USB3_PORT_STATUS_REG   0x520
  10 #define PCH_XHCI_USB2_PORT_NUM          10
  11 #define PCH_XHCI_USB3_PORT_NUM          4
  12
  13 #define TCSS_XHCI_USB2_PORT_STATUS_REG  0x480
  14 #define TCSS_XHCI_USB3_PORT_STATUS_REG  0x490
  15 #define TCSS_XHCI_USB2_PORT_NUM         1
  16 #define TCSS_XHCI_USB3_PORT_NUM         4
  17
  18 static const struct xhci_usb_info pch_usb_info = {
  19         .usb2_port_status_reg = PCH_XHCI_USB2_PORT_STATUS_REG,
  20         .num_usb2_ports = PCH_XHCI_USB2_PORT_NUM,
  21         .usb3_port_status_reg = PCH_XHCI_USB3_PORT_STATUS_REG,
  22         .num_usb3_ports = PCH_XHCI_USB3_PORT_NUM,
  23 };
  24
  25 static const struct xhci_usb_info tcss_usb_info = {
  26         .usb2_port_status_reg = TCSS_XHCI_USB2_PORT_STATUS_REG,
  27         .num_usb2_ports = TCSS_XHCI_USB2_PORT_NUM,
  28         .usb3_port_status_reg = TCSS_XHCI_USB3_PORT_STATUS_REG,
  29         .num_usb3_ports = TCSS_XHCI_USB3_PORT_NUM,
  30 };
  31
  32 const struct xhci_usb_info *soc_get_xhci_usb_info(pci_devfn_t xhci_dev)
  33 {
  34         if (xhci_dev == PCH_DEVFN_XHCI)
  35                 return &pch_usb_info;
  36         else if (xhci_dev == SA_DEVFN_TCSS_XHCI)
  37                 return &tcss_usb_info;
  38
  39         return NULL;
  40 }