/* Enable writes through the rom window */
pci_read_config_byte(pdev, 0x40, &byte);
pci_write_config_byte(pdev, 0x40, byte | 1);
/* Enable writes through the rom window */
pci_read_config_byte(pdev, 0x40, &byte);
pci_write_config_byte(pdev, 0x40, byte | 1);