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create hardware configuration

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This commit is contained in:
Osman Faruk Bayram 2025-02-25 19:02:09 +03:00
parent 2dd9ef7ba1
commit 19d57b43d5
2 changed files with 82 additions and 78 deletions
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81
hosts/harmonica/configuration.nix
View file

@ -8,6 +8,7 @@
imports = [
./sd-image.nix
"${inputs.nixpkgs}/nixos/modules/installer/sd-card/sd-image-aarch64.nix"
./hardware-configuration.nix
../../modules
inputs.agenix.nixosModules.default
inputs.home-manager.nixosModules.home-manager
@ -24,84 +25,9 @@
i18n.inputMethod.enable = lib.mkForce false; # no need for japanese input method
# Some packages (ahci fail... this bypasses that) https://discourse.nixos.org/t/does-pkgs-linuxpackages-rpi3-build-all-required-kernel-modules/42509
nixpkgs.overlays = [
(final: super: {
makeModulesClosure = x:
super.makeModulesClosure (x // {allowMissing = true;});
})
];
nixpkgs.hostPlatform = "aarch64-linux";
# ! Need a trusted user for deploy-rs.
system.stateVersion = "25.05";
zramSwap = {
enable = true;
algorithm = "zstd";
};
sdImage = {
# bzip2 compression takes loads of time with emulation, skip it. Enable this if you're low on space.
compressImage = false;
imageName = "zero2.img";
extraFirmwareConfig = {
# Give up VRAM for more Free System Memory
# - Disable camera which automatically reserves 128MB VRAM
start_x = 0;
# - Reduce allocation of VRAM to 16MB minimum for non-rotated (32MB for rotated)
gpu_mem = 16;
# Configure display to 800x600 so it fits on most screens
# * See: https://elinux.org/RPi_Configuration
hdmi_group = 2;
hdmi_mode = 8;
};
};
hardware = {
enableRedistributableFirmware = lib.mkForce false;
firmware = [pkgs.raspberrypiWirelessFirmware]; # Keep this to make sure wifi works
i2c.enable = true;
deviceTree.filter = "bcm2837-rpi-zero*.dtb";
deviceTree.overlays = [
{
name = "enable-i2c";
dtsText = ''
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2837";
fragment@0 {
target = <&i2c1>;
__overlay__ {
status = "okay";
};
};
};
'';
}
];
};
boot = {
kernelPackages = pkgs.linuxPackages_rpi02w;
initrd.availableKernelModules = ["xhci_pci" "usbhid" "usb_storage"];
loader = {
grub.enable = false;
generic-extlinux-compatible.enable = true;
};
extraModprobeConfig = ''
options brcmfmac roamoff=1 feature_disable=0x82000
'';
# Avoids warning: mdadm: Neither MAILADDR nor PROGRAM has been set. This will cause the `mdmon` service to crash.
# See: https://github.com/NixOS/nixpkgs/issues/254807
swraid.enable = lib.mkForce false;
};
networking.hostName = "harmonica";
# networking = {
# interfaces."wlan0".useDHCP = true;
@ -116,7 +42,7 @@
# };
# };
# };
networking.hostName = "harmonica";
networking.networkmanager.ensureProfiles = {
environmentFiles = [
config.age.secrets.nm-secrets.path
@ -171,7 +97,6 @@
# NTP time sync.
services.timesyncd.enable = true;
security.sudo = {
enable = true;
wheelNeedsPassword = false;

79
hosts/harmonica/hardware-configuration.nix Normal file
View file

@ -0,0 +1,79 @@
{pkgs, lib, ...}: {
# Some packages (ahci fail... this bypasses that) https://discourse.nixos.org/t/does-pkgs-linuxpackages-rpi3-build-all-required-kernel-modules/42509
nixpkgs.overlays = [
(final: super: {
makeModulesClosure = x:
super.makeModulesClosure (x // {allowMissing = true;});
})
];
zramSwap = {
enable = true;
algorithm = "zstd";
};
sdImage = {
# bzip2 compression takes loads of time with emulation, skip it. Enable this if you're low on space.
compressImage = false;
imageName = "zero2.img";
extraFirmwareConfig = {
# Give up VRAM for more Free System Memory
# - Disable camera which automatically reserves 128MB VRAM
start_x = 0;
# - Reduce allocation of VRAM to 16MB minimum for non-rotated (32MB for rotated)
gpu_mem = 16;
# Configure display to 800x600 so it fits on most screens
# * See: https://elinux.org/RPi_Configuration
hdmi_group = 2;
hdmi_mode = 8;
};
};
hardware = {
enableRedistributableFirmware = lib.mkForce false;
firmware = [pkgs.raspberrypiWirelessFirmware]; # Keep this to make sure wifi works
i2c.enable = true;
deviceTree.filter = "bcm2837-rpi-zero*.dtb";
deviceTree.overlays = [
{
name = "enable-i2c";
dtsText = ''
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2837";
fragment@0 {
target = <&i2c1>;
__overlay__ {
status = "okay";
};
};
};
'';
}
];
};
boot = {
kernelPackages = pkgs.linuxPackages_rpi02w;
initrd.availableKernelModules = ["xhci_pci" "usbhid" "usb_storage"];
loader = {
grub.enable = false;
generic-extlinux-compatible.enable = true;
};
extraModprobeConfig = ''
options brcmfmac roamoff=1 feature_disable=0x82000
'';
# Avoids warning: mdadm: Neither MAILADDR nor PROGRAM has been set. This will cause the `mdmon` service to crash.
# See: https://github.com/NixOS/nixpkgs/issues/254807
swraid.enable = lib.mkForce false;
};
nixpkgs.hostPlatform = "aarch64-linux";
}