Files
nix-config/systems/aarch64-linux/pi5/boot.nix

53 lines
1.6 KiB
Nix
Executable File

{ pkgs, lib, ... }:
let
kernelBundle = pkgs.linuxAndFirmware.latest;
in
{
boot = {
loader.raspberryPi.firmwarePackage = kernelBundle.raspberrypifw;
kernelPackages = kernelBundle.linuxPackages_rpi5;
};
hardware.raspberry-pi.config = {
all = { # [all] conditional filter, https://www.raspberrypi.com/documentation/computers/config_txt.html#conditional-filters
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 = {
# https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#enable-pcie
pciex1 = {
enable = true;
value = "on";
};
# PCIe Gen 3.0
# https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#pcie-gen-3-0
pciex1_gen = {
enable = true;
value = "3";
};
};
};
};
}