int nicintel_init(void) { uintptr_t addr; /* Needed only for PCI accesses on some platforms. * FIXME: Refactor that into get_mem_perms/rget_io_perms/get_pci_perms? */ if (rget_io_perms()) return 1; /* No need to check for errors, pcidev_init() will not return in case * of errors. * FIXME: BAR2 is not available if the device uses the CardBus function. */ addr = pcidev_init(PCI_BASE_ADDRESS_2, nics_intel); nicintel_bar = physmap("Intel NIC flash", addr, NICINTEL_MEMMAP_SIZE); if (nicintel_bar == ERROR_PTR) goto error_out_unmap; /* FIXME: Using pcidev_dev _will_ cause pretty explosions in the future. */ addr = pcidev_readbar(pcidev_dev, PCI_BASE_ADDRESS_0); /* FIXME: This is not an aligned mapping. Use 4k? */ nicintel_control_bar = physmap("Intel NIC control/status reg", addr, NICINTEL_CONTROL_MEMMAP_SIZE); if (nicintel_control_bar == ERROR_PTR) goto error_out; if (register_shutdown(nicintel_shutdown, NULL)) return 1; /* FIXME: This register is pretty undocumented in all publicly available * documentation from Intel. Let me quote the complete info we have: * "Flash Control Register: The Flash Control register allows the CPU to * enable writes to an external Flash. The Flash Control Register is a * 32-bit field that allows access to an external Flash device." * Ah yes, we also know where it is, but we have absolutely _no_ idea * what we should do with it. Write 0x0001 because we have nothing * better to do with our time. */ pci_rmmio_writew(0x0001, nicintel_control_bar + CSR_FCR); max_rom_decode.parallel = NICINTEL_MEMMAP_SIZE; register_par_programmer(&par_programmer_nicintel, BUS_PARALLEL); return 0; error_out_unmap: physunmap(nicintel_bar, NICINTEL_MEMMAP_SIZE); error_out: pci_cleanup(pacc); return 1; }
int nicintel_init(void) { struct pci_dev *dev = NULL; uintptr_t addr; /* Needed only for PCI accesses on some platforms. * FIXME: Refactor that into get_mem_perms/rget_io_perms/get_pci_perms? */ if (rget_io_perms()) return 1; /* FIXME: BAR2 is not available if the device uses the CardBus function. */ dev = pcidev_init(nics_intel, PCI_BASE_ADDRESS_2); if (!dev) return 1; addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_2); if (!addr) return 1; nicintel_bar = rphysmap("Intel NIC flash", addr, NICINTEL_MEMMAP_SIZE); if (nicintel_bar == ERROR_PTR) return 1; addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_0); if (!addr) return 1; nicintel_control_bar = rphysmap("Intel NIC control/status reg", addr, NICINTEL_CONTROL_MEMMAP_SIZE); if (nicintel_control_bar == ERROR_PTR) return 1; /* FIXME: This register is pretty undocumented in all publicly available * documentation from Intel. Let me quote the complete info we have: * "Flash Control Register: The Flash Control register allows the CPU to * enable writes to an external Flash. The Flash Control Register is a * 32-bit field that allows access to an external Flash device." * Ah yes, we also know where it is, but we have absolutely _no_ idea * what we should do with it. Write 0x0001 because we have nothing * better to do with our time. */ pci_rmmio_writew(0x0001, nicintel_control_bar + CSR_FCR); max_rom_decode.parallel = NICINTEL_MEMMAP_SIZE; register_par_programmer(&par_programmer_nicintel, BUS_PARALLEL); return 0; }