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use nix based config.txt generation

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This commit is contained in:
Travis Staton 2023-02-23 20:18:42 -05:00
parent fdbe51e3b0
commit 67f257e524
3 changed files with 26 additions and 75 deletions
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13
rpi/config.nix
View file

@ -22,11 +22,16 @@ let
args = render-dt-kvs v;
}) overlays);
render-config-section = k:
{ options, base-dtb-params, dt-overlays }: ''
{ options, base-dtb-params, dt-overlays }:
let
all-config = lib.concatStringsSep "\n" (lib.filter (x: x != "") [
(render-options options)
(render-base-dt-params base-dtb-params)
(render-dt-overlays dt-overlays)
]);
in ''
[${k}]
${render-options options}
${render-base-dt-params base-dtb-params}
${render-dt-overlays dt-overlays}
${all-config}
'';
in conf:
lib.strings.concatStringsSep "\n"

19
rpi/default.nix
View file

@ -4,6 +4,17 @@
{
imports = [ ../sd-image ./config.nix ];
system.activationScripts.raspberrypi = {
text = ''
if ! grep -qs '/boot/firmware ' /proc/mounts; then
mount /dev/disk/by-label/${config.sdImage.firmwarePartitionName} /boot/firmware
fi
cp ${pkgs.uboot_rpi_arm64}/u-boot.bin /boot/firmware/u-boot-rpi-arm64.bin
cp -r ${pkgs.raspberrypifw}/share/raspberrypi/boot/{start*.elf,*.dtb,bootcode.bin,fixup*.dat,overlays} /boot/firmware
cp ${config.raspberrypi-config-output} /boot/firmware/config.txt
'';
};
raspberrypi-config = {
pi4 = {
options = {
@ -17,16 +28,12 @@
pi02 = { dt-overlays = { vc4-kms-v3d = { cma-256 = null; }; }; };
all = {
options = {
kernel = "u-boot-rpi_arm64.bin";
kernel = "u-boot-rpi-arm64.bin";
enable_uart = true;
avoid_warnings = true;
arm_64bit = true;
};
base-dtb-params = {
i2c = "on";
audio = "on";
krnbt = "on";
};
base-dtb-params = { krnbt = "on"; };
};
};