4229b42d82
This is for QEMU where we won't have to provide a dtb because the device tree is built by the platform according the (emulated) hardware present. Maybe in future there will be other hardware devices where we don't need to provide a dtb.
85 lines
2.9 KiB
Nix
85 lines
2.9 KiB
Nix
## Hardware-dependent options
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## ==========================
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##
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## These are attributes of the hardware not of the application
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## you want to run on it, and would usually be set in the "device" file:
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## :file:`devices/manuf-model/default.nix`
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{ lib, pkgs, config, ...}:
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let
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inherit (lib) mkEnableOption mkOption types isDerivation hasAttr ;
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in {
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options = {
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boot = {
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};
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hardware = {
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dts = {
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src = mkOption {
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type = types.nullOr types.path;
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description = ''
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If the device requires an external device tree to be loaded
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alongside the kernel, this is the path to the device tree source
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(we usually get these from OpenWrt). This value may be null if the
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platform creates the device tree - currently this is the case
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only for QEMU.
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'';
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};
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includes = mkOption {
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default = [];
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description = "List of directories to search for DTS includes (.dtsi files)";
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type = types.listOf types.path;
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};
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};
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defaultOutput = mkOption {
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description = "\"Default\" output: what gets built for this device when outputs.default is requested. Typically this is \"flashimage\" or \"vmroot\"";
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type = types.nonEmptyStr;
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};
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ram = {
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startAddress = mkOption {
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type = types.int;
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};
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};
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flash = {
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# start address and size of whichever partition (often
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# called "firmware") we're going to overwrite with our
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# kernel uimage and root fs. Not the entire flash, as
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# that often also contains the bootloader, data for
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# for wireless devices, etc
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address = mkOption {
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description = ''
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Start address of whichever partition (often
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called "firmware") we're going to overwrite with our
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kernel uimage and root fs. Usually not the entire flash, as
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we don't want to clobber the bootloader, calibration data etc
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'';
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type = types.ints.unsigned;
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};
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size = mkOption {
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type = types.ints.unsigned;
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description = "Size in bytes of the firmware partition";
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};
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eraseBlockSize = mkOption {
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description = "Flash erase block size in bytes";
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type = types.ints.unsigned;
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};
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};
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loadAddress = mkOption { type = types.ints.unsigned; default = null; };
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entryPoint = mkOption { type = types.ints.unsigned; };
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radios = mkOption {
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description = ''
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Kernel modules (from mac80211 package) required for the
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wireless devices on this board
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'';
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type = types.listOf types.str;
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default = [];
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example = ["ath9k" "ath10k"];
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};
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rootDevice = mkOption { };
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networkInterfaces = mkOption {
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type = types.attrsOf types.anything;
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};
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};
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};
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}
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