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
7 /*
8 * Information obtained from Intel doc# 630094, ADL-P PCH EDS Vol. 2,
9 * as well as doc# 626817, ADL-P PCH EDS Vol. 1
10 */
11
12 #define PCH_XHCI_USB2_PORT_STATUS_REG 0x480
13 #define PCH_XHCI_USB3_PORT_STATUS_REG 0x540
14 #define PCH_XHCI_USB2_PORT_NUM 10
15 #define PCH_XHCI_USB3_PORT_NUM 4
16
17 #define TCSS_XHCI_USB2_PORT_STATUS_REG 0x480
18 #define TCSS_XHCI_USB3_PORT_STATUS_REG 0x490
19 #define TCSS_XHCI_USB2_PORT_NUM 0
20 #define TCSS_XHCI_USB3_PORT_NUM 4
21
22 static const struct xhci_usb_info usb_info = {
23 .usb2_port_status_reg = PCH_XHCI_USB2_PORT_STATUS_REG,
24 .num_usb2_ports = PCH_XHCI_USB2_PORT_NUM,
25 .usb3_port_status_reg = PCH_XHCI_USB3_PORT_STATUS_REG,
26 .num_usb3_ports = PCH_XHCI_USB3_PORT_NUM,
27 };
28
29 static const struct xhci_usb_info tcss_usb_info = {
30 .usb2_port_status_reg = TCSS_XHCI_USB2_PORT_STATUS_REG,
31 .num_usb2_ports = TCSS_XHCI_USB2_PORT_NUM,
32 .usb3_port_status_reg = TCSS_XHCI_USB3_PORT_STATUS_REG,
33 .num_usb3_ports = TCSS_XHCI_USB3_PORT_NUM,
34 };
35
soc_get_xhci_usb_info(pci_devfn_t xhci_dev)36 const struct xhci_usb_info *soc_get_xhci_usb_info(pci_devfn_t xhci_dev)
37 {
38 if (xhci_dev == PCH_DEVFN_XHCI)
39 return &usb_info;
40 else if (xhci_dev == SA_DEVFN_TCSS_XHCI)
41 return &tcss_usb_info;
42
43 return NULL;
44 }
45