diff options
| author | Karthikeyan Ramasubramanian <kramasub@google.com> | 2020-11-04 22:22:46 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-11-10 06:20:19 +0000 |
| commit | fa9e8f9cfc10a5f95d6b74a88e93cbd89c9faa77 (patch) | |
| tree | 846cff6b866fe2c653f59233d15e48c25d14449d /src/soc/intel/tigerlake/xhci.c | |
| parent | af0d516bfa5497e84d18bdafbdec5f98ce4999a0 (diff) | |
soc/intel/tigerlake: Log PM event from an internal device
Add support to check for the Power Management (PM) Status bit for
various internal devices like USB, CNVi etc. and log them into the event
log for debugging purposes.
BUG=b:172279037
BRANCH=volteer
Change-Id: Ib3d0bf33d780444f8240f749a3319212c985950d
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47227
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/soc/intel/tigerlake/xhci.c')
| -rw-r--r-- | src/soc/intel/tigerlake/xhci.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/xhci.c b/src/soc/intel/tigerlake/xhci.c new file mode 100644 index 0000000000..18bb129983 --- /dev/null +++ b/src/soc/intel/tigerlake/xhci.c @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <intelblocks/xhci.h> + +#define XHCI_USB2_PORT_STATUS_REG 0x480 +#define XHCI_USB3_PORT_STATUS_REG 0x520 +#define XHCI_USB2_PORT_NUM 10 +#define 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, +}; + +const struct xhci_usb_info *soc_get_xhci_usb_info(void) +{ + return &usb_info; +} |