hardware.nix (3060B)
1 ## Hardware-dependent options 2 ## ========================== 3 ## 4 ## These are attributes of the hardware not of the application 5 ## you want to run on it, and would usually be set in the "device" file: 6 ## :file:`devices/manuf-model/default.nix` 7 8 9 { lib, pkgs, config, ...}: 10 let 11 inherit (lib) mkEnableOption mkOption types isDerivation hasAttr ; 12 in { 13 options = { 14 boot = { 15 }; 16 hardware = { 17 dts = { 18 src = mkOption { 19 type = types.nullOr types.path; 20 description = '' 21 If the device requires an external device tree to be loaded 22 alongside the kernel, this is the path to the device tree source 23 (we usually get these from OpenWrt). This value may be null if the 24 platform creates the device tree - currently this is the case 25 only for QEMU. 26 ''; 27 }; 28 includes = mkOption { 29 default = []; 30 description = "List of directories to search for DTS includes (.dtsi files)"; 31 type = types.listOf types.path; 32 }; 33 }; 34 defaultOutput = mkOption { 35 description = "\"Default\" output: what gets built for this device when outputs.default is requested. Typically this is \"mtdimage\" or \"vmroot\""; 36 type = types.nonEmptyStr; 37 }; 38 ram = { 39 startAddress = mkOption { 40 type = types.int; 41 }; 42 }; 43 44 flash = { 45 # start address and size of whichever partition (often 46 # called "firmware") we're going to overwrite with our 47 # kernel uimage and root fs. Not the entire flash, as 48 # that often also contains the bootloader, data for 49 # for wireless devices, etc 50 address = mkOption { 51 description = '' 52 Start address of whichever partition (often 53 called "firmware") we're going to overwrite with our 54 kernel uimage and root fs. Usually not the entire flash, as 55 we don't want to clobber the bootloader, calibration data etc 56 ''; 57 type = types.ints.unsigned; 58 }; 59 size = mkOption { 60 type = types.ints.unsigned; 61 description = "Size in bytes of the firmware partition"; 62 }; 63 eraseBlockSize = mkOption { 64 description = "Flash erase block size in bytes"; 65 type = types.ints.unsigned; 66 }; 67 }; 68 loadAddress = mkOption { type = types.ints.unsigned; default = null; }; 69 entryPoint = mkOption { type = types.ints.unsigned; }; 70 radios = mkOption { 71 description = '' 72 Kernel modules (from mac80211 package) required for the 73 wireless devices on this board 74 ''; 75 type = types.listOf types.str; 76 default = []; 77 example = ["ath9k" "ath10k"]; 78 }; 79 rootDevice = mkOption { 80 description = "Full path to preferred root device"; 81 type = types.str; 82 example = "/dev/mtdblock3"; 83 }; 84 networkInterfaces = mkOption { 85 type = types.attrsOf types.anything; 86 }; 87 }; 88 }; 89 }