mirror of
https://git.gay/xqtc/nixos-config
synced 2024-11-25 23:43:54 +01:00
111 lines
3.4 KiB
Nix
111 lines
3.4 KiB
Nix
|
# the Asahi Linux kernel and options that must go along with it
|
||
|
|
{
|
||
|
|
config,
|
||
|
|
pkgs,
|
||
|
|
lib,
|
||
|
|
...
|
||
|
|
}: {
|
||
|
|
config = lib.mkIf config.hardware.asahi.enable {
|
||
|
|
boot.kernelPackages = let
|
||
|
|
pkgs' = config.hardware.asahi.pkgs;
|
||
|
|
in
|
||
|
|
pkgs'.linux-asahi.override {
|
||
|
|
_kernelPatches = config.boot.kernelPatches;
|
||
|
|
withRust = config.hardware.asahi.withRust;
|
||
|
|
};
|
||
|
|
|
||
|
|
# we definitely want to use CONFIG_ENERGY_MODEL, and
|
||
|
|
# schedutil is a prerequisite for using it
|
||
|
|
# source: https://www.kernel.org/doc/html/latest/scheduler/sched-energy.html
|
||
|
|
powerManagement.cpuFreqGovernor = lib.mkOverride 800 "schedutil";
|
||
|
|
|
||
|
|
boot.initrd.includeDefaultModules = false;
|
||
|
|
boot.initrd.availableKernelModules = [
|
||
|
|
# list of initrd modules stolen from
|
||
|
|
# https://github.com/AsahiLinux/asahi-scripts/blob/f461f080a1d2575ae4b82879b5624360db3cff8c/initcpio/install/asahi
|
||
|
|
"apple-mailbox"
|
||
|
|
"nvme_apple"
|
||
|
|
"pinctrl-apple-gpio"
|
||
|
|
"macsmc"
|
||
|
|
"macsmc-rtkit"
|
||
|
|
"i2c-apple"
|
||
|
|
"tps6598x"
|
||
|
|
"apple-dart"
|
||
|
|
"dwc3"
|
||
|
|
"dwc3-of-simple"
|
||
|
|
"xhci-pci"
|
||
|
|
"pcie-apple"
|
||
|
|
"gpio_macsmc"
|
||
|
|
"phy-apple-atc"
|
||
|
|
"nvmem_apple_efuses"
|
||
|
|
"spi-apple"
|
||
|
|
"spi-hid-apple"
|
||
|
|
"spi-hid-apple-of"
|
||
|
|
"rtc-macsmc"
|
||
|
|
"simple-mfd-spmi"
|
||
|
|
"spmi-apple-controller"
|
||
|
|
"nvmem_spmi_mfd"
|
||
|
|
"apple-dockchannel"
|
||
|
|
"dockchannel-hid"
|
||
|
|
"apple-rtkit-helper"
|
||
|
|
|
||
|
|
# additional stuff necessary to boot off USB for the installer
|
||
|
|
# and if the initrd (i.e. stage 1) goes wrong
|
||
|
|
"usb-storage"
|
||
|
|
"xhci-plat-hcd"
|
||
|
|
"usbhid"
|
||
|
|
"hid_generic"
|
||
|
|
];
|
||
|
|
|
||
|
|
boot.kernelParams = [
|
||
|
|
"earlycon"
|
||
|
|
"console=ttySAC0,115200n8"
|
||
|
|
"console=tty0"
|
||
|
|
"boot.shell_on_fail"
|
||
|
|
# Apple's SSDs are slow (~dozens of ms) at processing flush requests which
|
||
|
|
# slows down programs that make a lot of fsync calls. This parameter sets
|
||
|
|
# a delay in ms before actually flushing so that such requests can be
|
||
|
|
# coalesced. Be warned that increasing this parameter above zero (default
|
||
|
|
# is 1000) has the potential, though admittedly unlikely, risk of
|
||
|
|
# UNBOUNDED data corruption in case of power loss!!!! Don't even think
|
||
|
|
# about it on desktops!!
|
||
|
|
"nvme_apple.flush_interval=0"
|
||
|
|
];
|
||
|
|
|
||
|
|
# U-Boot does not support EFI variables
|
||
|
|
boot.loader.efi.canTouchEfiVariables = lib.mkForce false;
|
||
|
|
|
||
|
|
# U-Boot does not support switching console mode
|
||
|
|
boot.loader.systemd-boot.consoleMode = "0";
|
||
|
|
|
||
|
|
# GRUB has to be installed as removable if the user chooses to use it
|
||
|
|
boot.loader.grub = lib.mkDefault {
|
||
|
|
efiSupport = true;
|
||
|
|
efiInstallAsRemovable = true;
|
||
|
|
device = "nodev";
|
||
|
|
};
|
||
|
|
|
||
|
|
# autosuspend was enabled as safe for the PCI SD card reader
|
||
|
|
# "Genesys Logic, Inc GL9755 SD Host Controller [17a0:9755] (rev 01)"
|
||
|
|
# by recent systemd versions, but this has a "negative interaction"
|
||
|
|
# with our kernel/SoC and causes random boot hangs. disable it!
|
||
|
|
services.udev.extraHwdb = ''
|
||
|
|
pci:v000017A0d00009755*
|
||
|
|
ID_AUTOSUSPEND=0
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
|
||
|
|
imports = [
|
||
|
|
(lib.mkRemovedOptionModule ["hardware" "asahi" "addEdgeKernelConfig"]
|
||
|
|
"All edge kernel config options are now the default.")
|
||
|
|
];
|
||
|
|
|
||
|
|
options.hardware.asahi.withRust = lib.mkOption {
|
||
|
|
type = lib.types.bool;
|
||
|
|
default = false;
|
||
|
|
description = ''
|
||
|
|
Build the Asahi Linux kernel with Rust support.
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
}
|