int tegrausb_start_port(unsigned portnum, u32 *hccr, u32 *hcor)
{
struct usb_ctlr *usbctlr;
if (portnum >= port_count)
return -1;
tegrausb_stop_port();
set_host_mode(&port[portnum]);
usbctlr = port[portnum].reg;
*hccr = (u32)&usbctlr->cap_length;
*hcor = (u32)&usbctlr->usb_cmd;
port_current = portnum;
return 0;
}
int tegrausb_start_port(unsigned portnum, u32 *hccr, u32 *hcor)
{
struct usb_ctlr *usbctlr;
if (portnum >= port_count)
return -1;
tegrausb_stop_port();
usbctlr = port[portnum].reg;
#if defined(CONFIG_TEGRA3)
/* Set Controller Mode as Host mode after Controller Reset was done */
bf_writel(CM, CM_HOST_MODE, &usbctlr->usb_mode);
/* Select UTMI parallel interface after setting host mode */
bf_writel(PTS, PTS_UTMI, &usbctlr->hostpc1_devlc);
bf_writel(STS, STS_PARALLEL_IF, &usbctlr->hostpc1_devlc);
#endif
*hccr = (u32)&usbctlr->cap_length;
*hcor = (u32)&usbctlr->usb_cmd;
port_current = portnum;
return 0;
}
/*
* Destroy the appropriate control structures corresponding
* the the EHCI host controller.
*/
int ehci_hcd_stop(int index)
{
return tegrausb_stop_port(index);
}
