liminix/devices/gl-mt300a/default.nix

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# GL.INet GL-MT300A
{
system = {
crossSystem = {
config = "mipsel-unknown-linux-musl";
gcc = {
abi = "32";
arch = "mips32"; # maybe mips_24kc-
};
};
};
module = { pkgs, ...}:
let
inherit (pkgs.liminix.networking) interface;
openwrt = pkgs.fetchFromGitHub {
name = "openwrt-source";
repo = "openwrt";
owner = "openwrt";
rev = "a5265497a4f6da158e95d6a450cb2cb6dc085cab";
hash = "sha256-YYi4gkpLjbOK7bM2MGQjAyEBuXJ9JNXoz/JEmYf8xE8=";
};
in {
hardware = {
defaultOutput = "tftproot";
loadAddress = "0x80000000";
entryPoint = "0x80000000";
radios = ["rt2800soc"];
dts = {
src = "${openwrt}/target/linux/ramips/dts/mt7620a_glinet_gl-mt300a.dts";
includes = [
"${openwrt}/target/linux/ramips/dts"
];
};
networkInterfaces = {
# lan and wan ports are both behind a switch on eth0
eth = interface { device = "eth0"; };
lan = interface {
type = "vlan";
device = "eth0.1";
link = "eth0";
id = "1";
};
wan = interface {
type = "vlan";
device = "eth0.2";
id = "2";
link = "eth0";
};
};
};
boot.tftp = {
loadAddress = "0x00A00000";
};
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";
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";
NET = "y";
NETDEVICES = "y";
ETHERNET = "y";
NET_RALINK_MDIO = "y";
NET_RALINK_MDIO_MT7620 = "y";
NET_RALINK_MT7620 = "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_VLAN_FILTERING = "y";
BRIDGE_IGMP_SNOOPING = "y";
NET_VENDOR_RALINK = "y";
MTD = "y";
MTD_CMDLINE_PARTS = "y";
MTD_BLOCK = "y"; # fix undefined ref to register_mtd_blktrans_devs
CPU_LITTLE_ENDIAN = "y";
CMDLINE_PARTITION = "y";
EARLY_PRINTK = "y";
PARTITION_ADVANCED = "y";
PRINTK_TIME = "y";
SQUASHFS = "y";
SQUASHFS_XZ = "y";
};
};
};
}