Files
mjallen18 3d213c8769 nixfmt
2025-07-24 11:06:08 -05:00

98 lines
2.5 KiB
Nix
Executable File

# { pkgs, lib, ... }:
# let
# uefi_pi4 = pkgs.callPackage ./pi4-uefi.nix { };
# in
# {
# boot = {
# loader = {
# systemd-boot.enable = lib.mkForce false;
# efi.canTouchEfiVariables = false;
# generic-extlinux-compatible.enable = lib.mkForce true;
# };
# plymouth.enable = false;
# kernelPackages = pkgs.linuxPackages_rpi4;
# kernelModules = [ "i2c-dev" "i2c-bcm2835" ];
# initrd.kernelModules = [ "i2c-dev" "i2c-bcm2835" ];
# };
# # environment.systemPackages = [ uefi_pi4 ];
# # Copy UEFI firmware files to the boot partition
# # system.activationScripts.installUEFIFirmware.text = ''
# # cp -r ${uefi_pi4}/share/uefi_rpi4/* /boot/firmware/
# # '';
# }
{
config,
pkgs,
lib,
...
}:
let
kernelBundle = pkgs.linuxAndFirmware.latest;
in
{
system.nixos.tags =
let
cfg = config.boot.loader.raspberry-pi;
in
[
"raspberry-pi-${cfg.variant}"
cfg.bootloader
config.boot.kernelPackages.kernel.version
];
boot = lib.mkForce {
loader.raspberry-pi = {
firmwarePackage = kernelBundle.raspberrypifw;
variant = "4";
};
kernelPackages = kernelBundle.linuxPackages_rpi4;
};
hardware.raspberry-pi.config = {
all = {
# [all] conditional filter, https://www.raspberrypi.com/documentation/computers/config_txt.html#conditional-filters
base-dt-params = {
i2c_arm = {
enable = true;
value = "on";
};
i2c = {
enable = true;
value = "on";
};
spi = {
enable = true;
value = "on";
};
};
options = {
# https://www.raspberrypi.com/documentation/computers/config_txt.html#enable_uart
# in conjunction with `console=serial0,115200` in kernel command line (`cmdline.txt`)
# creates a serial console, accessible using GPIOs 14 and 15 (pins
# 8 and 10 on the 40-pin header)
enable_uart = {
enable = true;
value = true;
};
# https://www.raspberrypi.com/documentation/computers/config_txt.html#uart_2ndstage
# enable debug logging to the UART, also automatically enables
# UART logging in `start.elf`
uart_2ndstage = {
enable = true;
value = true;
};
};
# Base DTB parameters
# https://github.com/raspberrypi/linux/blob/a1d3defcca200077e1e382fe049ca613d16efd2b/arch/arm/boot/dts/overlays/README#L132
base-dt-params = {
};
};
};
}