port - 1);
reg |= EHCI_PS_PO;
ehci_writel(status_reg, reg);
- break;
+ return -ENXIO;
} else {
int ret;
*/
ret = handshake(status_reg, EHCI_PS_PR, 0,
2 * 1000);
- if (!ret)
- ctrl->portreset |= 1 << port;
- else
+ if (!ret) {
+ reg = ehci_readl(status_reg);
+ if ((reg & (EHCI_PS_PE | EHCI_PS_CS))
+ == EHCI_PS_CS && !ehci_is_TDI()) {
+ debug("port %d full speed --> companion\n", port - 1);
+ reg &= ~EHCI_PS_CLEAR;
+ reg |= EHCI_PS_PO;
+ ehci_writel(status_reg, reg);
+ return -ENXIO;
+ } else {
+ ctrl->portreset |= 1 << port;
+ }
+ } else {
printf("port(%d) reset error\n",
port - 1);
+ }
}
break;
case USB_PORT_FEAT_TEST: