Tim Wawrzynczak | 291b58f | 2020-11-10 10:25:04 -0700 | [diff] [blame] | 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 |
Sridhar Siricilla | c07d2e5 | 2021-06-05 19:58:58 +0530 | [diff] [blame] | 18 | #define TCSS_XHCI_USB3_PORT_STATUS_REG 0x490 |
| 19 | #define TCSS_XHCI_USB2_PORT_NUM 0 |
Tim Wawrzynczak | 291b58f | 2020-11-10 10:25:04 -0700 | [diff] [blame] | 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 | |
| 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 | } |