| |
| static void usb_on(int enable) |
| { |
| unsigned char regval; |
| |
| /* Base 8231 controller */ |
| device_t dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0); |
| /* USB controller 1 */ |
| device_t dev2 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, 0); |
| /* USB controller 2 */ |
| device_t dev3 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, dev2); |
| |
| /* enable USB1 */ |
| if(dev2) { |
| if (enable) { |
| pci_write_config8(dev2, 0x3c, 0x05); |
| pci_write_config8(dev2, 0x04, 0x07); |
| } else { |
| pci_write_config8(dev2, 0x3c, 0x00); |
| pci_write_config8(dev2, 0x04, 0x00); |
| } |
| } |
| |
| if(dev0) { |
| regval = pci_read_config8(dev0, 0x50); |
| if (enable) |
| regval &= ~(0x10); |
| else |
| regval |= 0x10; |
| pci_write_config8(dev0, 0x50, regval); |
| } |
| |
| /* enable USB2 */ |
| if(dev3) { |
| if (enable) { |
| pci_write_config8(dev3, 0x3c, 0x05); |
| pci_write_config8(dev3, 0x04, 0x07); |
| } else { |
| pci_write_config8(dev3, 0x3c, 0x00); |
| pci_write_config8(dev3, 0x04, 0x00); |
| } |
| } |
| |
| if(dev0) { |
| regval = pci_read_config8(dev0, 0x50); |
| if (enable) |
| regval &= ~(0x20); |
| else |
| regval |= 0x20; |
| pci_write_config8(dev0, 0x50, regval); |
| } |
| } |
