diff options
| -rw-r--r-- | src/southbridge/amd/agesa/hudson/hudson.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/southbridge/amd/agesa/hudson/hudson.c b/src/southbridge/amd/agesa/hudson/hudson.c index cafd6c6c18..2bc3bc9aaf 100644 --- a/src/southbridge/amd/agesa/hudson/hudson.c +++ b/src/southbridge/amd/agesa/hudson/hudson.c @@ -85,6 +85,21 @@ void hudson_enable(device_t dev) { printk(BIOS_DEBUG, "hudson_enable()\n"); switch (dev->path.pci.devfn) { + case PCI_DEVFN(0x14, 5): + if (dev->enabled == 0) { + // read the VENDEV ID + device_t usb_dev = dev_find_slot( 0, PCI_DEVFN( 0x14, 5)); + u32 usb_device_id = pci_read_config32(usb_dev, 0) >> 16; + u8 reg8; + if (usb_device_id == PCI_DEVICE_ID_ATI_SB900_USB_20_5) { + /* turn off and remove device 0:14.5 from PCI space */ + reg8 = pm_read8(0xef); + reg8 &= ~(1 << 6); + pm_write8(0xef, reg8); + } + } + break; + case PCI_DEVFN(0x14, 7): if (dev->enabled == 0) { // read the VENDEV ID |