static void xhci_print_cap_regs(struct xhci_hcd *xhci)
{
u32 temp;
+ u32 hci_version;
xhci_dbg(xhci, "xHCI capability registers at %p:\n", xhci->cap_regs);
temp = readl(&xhci->cap_regs->hc_capbase);
+ hci_version = HC_VERSION(temp);
xhci_dbg(xhci, "CAPLENGTH AND HCIVERSION 0x%x:\n",
(unsigned int) temp);
xhci_dbg(xhci, "CAPLENGTH: 0x%x\n",
(unsigned int) HC_LENGTH(temp));
- xhci_dbg(xhci, "HCIVERSION: 0x%x\n",
- (unsigned int) HC_VERSION(temp));
+ xhci_dbg(xhci, "HCIVERSION: 0x%x\n", hci_version);
temp = readl(&xhci->cap_regs->hcs_params1);
xhci_dbg(xhci, "HCSPARAMS 1: 0x%x\n",
xhci_dbg(xhci, "HCC PARAMS 0x%x:\n", (unsigned int) temp);
xhci_dbg(xhci, " HC generates %s bit addresses\n",
HCC_64BIT_ADDR(temp) ? "64" : "32");
+ xhci_dbg(xhci, " HC %s Contiguous Frame ID Capability\n",
+ HCC_CFC(temp) ? "has" : "hasn't");
+ xhci_dbg(xhci, " HC %s generate Stopped - Short Package event\n",
+ HCC_SPC(temp) ? "can" : "can't");
/* FIXME */
xhci_dbg(xhci, " FIXME: more HCCPARAMS debugging\n");
temp = readl(&xhci->cap_regs->run_regs_off);
xhci_dbg(xhci, "RTSOFF 0x%x:\n", temp & RTSOFF_MASK);
+
+ /* xhci 1.1 controllers have the HCCPARAMS2 register */
+ if (hci_version > 100) {
+ temp = readl(&xhci->cap_regs->hcc_params2);
+ xhci_dbg(xhci, "HCC PARAMS2 0x%x:\n", (unsigned int) temp);
+ xhci_dbg(xhci, " HC %s Force save context capability",
+ HCC2_FSC(temp) ? "supports" : "doesn't support");
+ xhci_dbg(xhci, " HC %s Large ESIT Payload Capability",
+ HCC2_LEC(temp) ? "supports" : "doesn't support");
+ xhci_dbg(xhci, " HC %s Extended TBC capability",
+ HCC2_ETC(temp) ? "supports" : "doesn't support");
+ }
}
static void xhci_print_command_reg(struct xhci_hcd *xhci)