diff options
Diffstat (limited to 'src/soc/intel/denverton_ns/lpc.c')
| -rw-r--r-- | src/soc/intel/denverton_ns/lpc.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/soc/intel/denverton_ns/lpc.c b/src/soc/intel/denverton_ns/lpc.c index d08405e58f..05c648438c 100644 --- a/src/soc/intel/denverton_ns/lpc.c +++ b/src/soc/intel/denverton_ns/lpc.c @@ -514,24 +514,22 @@ static void pch_hide_devfn(uint32_t devfn) { /* TODO */ } void southcluster_enable_dev(struct device *dev) { - u32 reg32; + u16 reg16; if (!dev->enabled) { printk(BIOS_DEBUG, "%s: Disabling device\n", dev_path(dev)); /* Ensure memory, io, and bus master are all disabled */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO); - pci_write_config32(dev, PCI_COMMAND, reg32); + pci_write_config16(dev, PCI_COMMAND, reg16); /* Hide this device if possible */ pch_hide_devfn(dev->path.pci.devfn); } else { /* Enable SERR */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_SERR; - pci_write_config32(dev, PCI_COMMAND, reg32); + pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_SERR); } } |