diff options
Diffstat (limited to 'src/sys/include/io')
| -rw-r--r-- | src/sys/include/io/usb/xhciregs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/sys/include/io/usb/xhciregs.h b/src/sys/include/io/usb/xhciregs.h index ebaf5d7..85a8630 100644 --- a/src/sys/include/io/usb/xhciregs.h +++ b/src/sys/include/io/usb/xhciregs.h @@ -77,6 +77,12 @@ struct __packed xhci_opregs { */ #define USBCMD_HCRST BIT(1) /* Host controller reset */ +/* + * USB status register bits + * + * See section 5.4.2 of the xHCI spec + */ +#define USBSTS_CNR BIT(11) /* Controller not ready */ /* * Macros to get various register spaces |