diff options
Diffstat (limited to 'src/soc/intel/pantherlake/xhci.c')
| -rw-r--r-- | src/soc/intel/pantherlake/xhci.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/soc/intel/pantherlake/xhci.c b/src/soc/intel/pantherlake/xhci.c new file mode 100644 index 0000000000..ed265d8251 --- /dev/null +++ b/src/soc/intel/pantherlake/xhci.c @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <device/pci_type.h> +#include <intelblocks/xhci.h> +#include <soc/pci_devs.h> + +#define XHCI_USB2_PORT_STATUS_REG 0x480 +#define XHCI_USB3_PORT_STATUS_REG 0x540 +#define XHCI_USB2_PORT_NUM CONFIG_SOC_INTEL_USB2_DEV_MAX +#define XHCI_USB3_PORT_NUM CONFIG_SOC_INTEL_USB3_DEV_MAX + +#define TCSS_XHCI_USB2_PORT_STATUS_REG 0x480 +#define TCSS_XHCI_USB3_PORT_STATUS_REG 0x490 +#define TCSS_XHCI_USB2_PORT_NUM 0 +#define TCSS_XHCI_USB3_PORT_NUM 4 + +static const struct xhci_usb_info usb_info = { + .usb2_port_status_reg = XHCI_USB2_PORT_STATUS_REG, + .num_usb2_ports = XHCI_USB2_PORT_NUM, + .usb3_port_status_reg = XHCI_USB3_PORT_STATUS_REG, + .num_usb3_ports = XHCI_USB3_PORT_NUM, +}; + +static const struct xhci_usb_info tcss_usb_info = { + .usb2_port_status_reg = TCSS_XHCI_USB2_PORT_STATUS_REG, + .num_usb2_ports = TCSS_XHCI_USB2_PORT_NUM, + .usb3_port_status_reg = TCSS_XHCI_USB3_PORT_STATUS_REG, + .num_usb3_ports = TCSS_XHCI_USB3_PORT_NUM, +}; + +const struct xhci_usb_info *soc_get_xhci_usb_info(pci_devfn_t xhci_dev) +{ + if (xhci_dev == PCI_DEVFN_XHCI) + return &usb_info; + else if (xhci_dev == PCI_DEVFN_TCSS_XHCI) + return &tcss_usb_info; + + return NULL; +} |