V3_PCI_CMD
val = readw(v3->base + V3_PCI_CMD);
writew(val, v3->base + V3_PCI_CMD);
val = readw(v3->base + V3_PCI_CMD);
writew(val, v3->base + V3_PCI_CMD);
val = readw(v3->base + V3_PCI_CMD);
writew(val, v3->base + V3_PCI_CMD);