liminix/devices/gl-mt300n-v2/default.nix

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# GL.INet GL-MT300N v2
{
system = {
crossSystem = {
config = "mipsel-unknown-linux-musl";
gcc = {
abi = "32";
arch = "mips32"; # maybe mips_24kc-
};
};
};
module = { pkgs, config, ...}:
let
inherit (pkgs.liminix.networking) interface;
inherit (pkgs.liminix.services) oneshot;
inherit (pkgs.pseudofile) dir symlink;
openwrt = pkgs.fetchFromGitHub {
name = "openwrt-source";
repo = "openwrt";
owner = "openwrt";
rev = "a5265497a4f6da158e95d6a450cb2cb6dc085cab";
hash = "sha256-YYi4gkpLjbOK7bM2MGQjAyEBuXJ9JNXoz/JEmYf8xE8=";
};
mac80211 = pkgs.mac80211.override {
drivers = ["mt7603e"];
klibBuild = config.outputs.kernel.modulesupport;
};
wlan_firmware = builtins.fetchurl {
url = "https://github.com/openwrt/mt76/raw/f24b56f935392ca1d35fae5fd6e56ef9deda4aad/firmware/mt7628_e2.bin";
sha256 = "sha256:1dkhfznmdz6s50kwc841x3wj0h6zg6icg5g2bim9pvg66as2vmh9";
};
in {
filesystem = dir {
lib = dir {
firmware = dir {
"mt7628_e2.bin" = symlink wlan_firmware;
};
};
};
hardware = {
defaultOutput = "tftproot";
loadAddress = "0x80000000";
entryPoint = "0x80000000";
dts = {
src = "${openwrt}/target/linux/ramips/dts/mt7628an_glinet_gl-mt300n-v2.dts";
includes = [
"${openwrt}/target/linux/ramips/dts"
];
};
networkInterfaces = rec {
# lan and wan ports are both behind a switch on eth0
eth =
let swconfig = oneshot {
name = "swconfig";
up = ''
PATH=${pkgs.swconfig}/bin:$PATH
swconfig dev switch0 set reset
swconfig dev switch0 set enable_vlan 1
swconfig dev switch0 vlan 1 set ports '1 2 3 4 6t'
swconfig dev switch0 vlan 2 set ports '0 6t'
swconfig dev switch0 set apply
'';
down = "swconfig dev switch0 set reset";
};
in interface {
device = "eth0";
dependencies = [swconfig];
};
lan = interface {
type = "vlan";
device = "eth0.1";
link = "eth0";
id = "1";
dependencies = [eth];
};
wan = interface {
type = "vlan";
device = "eth0.2";
id = "2";
link = "eth0";
dependencies = [eth];
};
wlan = interface {
device = "wlan0";
dependencies = [ mac80211 ];
};
};
};
boot.tftp = {
# 20MB seems to give enough room to uncompress the kernel
# without anything getting trodden on. 10MB was too small
loadAddress = "0x1400000";
};
kernel = {
src = pkgs.fetchurl {
name = "linux.tar.gz";
url = "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.71.tar.gz";
hash = "sha256-yhO2cXIeIgUxkSZf/4aAsF11uxyh+UUZu6D1h92vCD8=";
};
extraPatchPhase = ''
cp -av ${openwrt}/target/linux/generic/files/* .
chmod -R u+w .
cp -av ${openwrt}/target/linux/ramips/files/* .
chmod -R u+w .
patches() {
for i in $* ; do patch --batch --forward -p1 < $i ;done
}
patches ${openwrt}/target/linux/generic/backport-5.15/*.patch
patches ${openwrt}/target/linux/generic/pending-5.15/*.patch
patches ${openwrt}/target/linux/generic/hack-5.15/*.patch
patches ${openwrt}/target/linux/ramips/patches-5.15/*.patch
'';
config = {
MIPS_ELF_APPENDED_DTB = "y";
OF = "y";
USE_OF = "y";
RALINK = "y";
PCI = "y";
SOC_MT7620 = "y";
CPU_LITTLE_ENDIAN= "y";
SERIAL_8250_CONSOLE = "y";
SERIAL_8250 = "y";
SERIAL_CORE_CONSOLE = "y";
SERIAL_OF_PLATFORM = "y";
CONSOLE_LOGLEVEL_DEFAULT = "8";
CONSOLE_LOGLEVEL_QUIET = "4";
# "empty" initramfs source should create an initial
# filesystem that has a /dev/console node and not much
# else. Note that pid 1 is started *before* the root
# filesystem is mounted and it expects /dev/console to
# be present already
BLK_DEV_INITRD = "n";
MTD = "y";
MTD_CMDLINE_PARTS = "y";
MTD_BLOCK = "y"; # fix undefined ref to register_mtd_blktrans_dev
REGULATOR = "y";
REGULATOR_FIXED_VOLTAGE = "y";
NET = "y";
NETDEVICES = "y";
ETHERNET = "y";
PHYLIB = "y";
AT803X_PHY="y";
FIXED_PHY="y";
GENERIC_PHY="y";
NET_VENDOR_RALINK = "y";
NET_RALINK_RT3050 = "y";
NET_RALINK_SOC="y";
# both the ethernet ports on this device (lan and wan)
# are behind a switch, so we need VLANs to do anything
# useful with them
VLAN_8021Q = "y";
SWCONFIG = "y";
SWPHY = "y";
BRIDGE = "y";
BRIDGE_VLAN_FILTERING = "y";
BRIDGE_IGMP_SNOOPING = "y";
GPIOLIB="y";
GPIO_MT7621 = "y";
CMDLINE_PARTITION = "y";
EARLY_PRINTK = "y";
PARTITION_ADVANCED = "y";
PRINTK_TIME = "y";
SQUASHFS = "y";
SQUASHFS_XZ = "y";
};
};
};
}