sky2_pci_read32
reg = sky2_pci_read32(hw, PCI_DEV_REG4);
reg = sky2_pci_read32(hw, PCI_DEV_REG5);
reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
sky2_pci_read32(hw, PCI_DEV_REG1);
reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
u32 reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);