xref: /openbmc/qemu/include/hw/usb/uhci-regs.h (revision 1acf0e505bb0f201bf6a743028b923713fe912ba)

#ifndef HW_USB_UHCI_REGS_H
#define HW_USB_UHCI_REGS_H

#define UHCI_USBCMD       0
#define UHCI_USBSTS       2
#define UHCI_USBINTR      4
#define UHCI_USBFRNUM     6
#define UHCI_USBFLBASEADD 8
#define UHCI_USBSOF       0x0c
#define UHCI_USBPORTSC1   0x10
#define UHCI_USBPORTSC2   0x12
#define UHCI_USBPORTSC3   0x14
#define UHCI_USBPORTSC4   0x16

#define UHCI_CMD_FGR      (1 << 4)
#define UHCI_CMD_EGSM     (1 << 3)
#define UHCI_CMD_GRESET   (1 << 2)
#define UHCI_CMD_HCRESET  (1 << 1)
#define UHCI_CMD_RS       (1 << 0)

#define UHCI_STS_HCHALTED (1 << 5)
#define UHCI_STS_HCPERR   (1 << 4)
#define UHCI_STS_HSERR    (1 << 3)
#define UHCI_STS_RD       (1 << 2)
#define UHCI_STS_USBERR   (1 << 1)
#define UHCI_STS_USBINT   (1 << 0)

#define TD_CTRL_SPD     (1 << 29)
#define TD_CTRL_ERROR_SHIFT  27
#define TD_CTRL_IOS     (1 << 25)
#define TD_CTRL_IOC     (1 << 24)
#define TD_CTRL_ACTIVE  (1 << 23)
#define TD_CTRL_STALL   (1 << 22)
#define TD_CTRL_BABBLE  (1 << 20)
#define TD_CTRL_NAK     (1 << 19)
#define TD_CTRL_TIMEOUT (1 << 18)

#define UHCI_PORT_SUSPEND (1 << 12)
#define UHCI_PORT_RESET (1 << 9)
#define UHCI_PORT_LSDA  (1 << 8)
#define UHCI_PORT_RSVD1 (1 << 7)
#define UHCI_PORT_RD    (1 << 6)
#define UHCI_PORT_ENC   (1 << 3)
#define UHCI_PORT_EN    (1 << 2)
#define UHCI_PORT_CSC   (1 << 1)
#define UHCI_PORT_CCS   (1 << 0)

#define UHCI_PORT_READ_ONLY    (0x1bb)
#define UHCI_PORT_WRITE_CLEAR  (UHCI_PORT_CSC | UHCI_PORT_ENC)

#endif /* HW_USB_UHCI_REGS_H */