diff options
Diffstat (limited to 'sys/pci')
| -rw-r--r-- | sys/pci/uhci_pci.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/sys/pci/uhci_pci.c b/sys/pci/uhci_pci.c index 0fbade0..0a3959b 100644 --- a/sys/pci/uhci_pci.c +++ b/sys/pci/uhci_pci.c @@ -158,7 +158,6 @@ uhci_pci_attach(device_t self) void *ih; struct resource *io_res, *irq_res; int intr; - int legsup; int err; rid = PCI_UHCI_BASE_REG; @@ -239,16 +238,17 @@ uhci_pci_attach(device_t self) goto bad3; } - /* Verify that the PIRQD enable bit is set, some BIOS's don't do that */ - legsup = pci_read_config(self, PCI_LEGSUP, 4); - if ( !(legsup & PCI_LEGSUP_USBPIRQDEN) ) { -#ifndef USB_DEBUG - if (bootverbose) + /* Set the PIRQD enable bit and switch off all the others. We don't + * want legacy support to interfere with us + * XXX Does this also mean that the BIOS won't touch the keyboard + * anymore if it is connected to the ports of the root hub? + */ +#ifdef UHCI_DEBUG + if (pci_read_config(self, PCI_LEGSUP, 4) != PCI_LEGSUP_USBPIRQDEN) + device_printf(self, "LegSup = 0x%08x\n", + pci_read_config(self, PCI_LEGSUP, 4)); #endif - device_printf(self, "PIRQD enable not set\n"); - legsup |= PCI_LEGSUP_USBPIRQDEN; - pci_write_config(self, PCI_LEGSUP, legsup, 4); - } + pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 4); err = uhci_init(sc); if (!err) |
