forked from dan/liminix
179 lines
5.4 KiB
Nix
179 lines
5.4 KiB
Nix
# GL.iNet GL-MT300A
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{
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system = {
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crossSystem = {
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config = "mipsel-unknown-linux-musl";
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gcc = {
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abi = "32";
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arch = "mips32"; # maybe mips_24kc-
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};
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};
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};
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description = ''
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GL.iNet GL-MT300A
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*****************
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The GL-MT300A is based on a MT7620 chipset.
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For flashing from U-Boot, the firmware partition is from
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0xbc050000 to 0xbcfd0000.
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WiFi on this device is provided by the rt2800soc module. It
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expects firmware to be present in the "factory" MTD partition, so
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- assuming we want to use the wireless - we need to build MTD
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support into the kernel even if we're using TFTP root.
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Installation
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============
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The stock vendor firmware is a fork of OpenWrt, meaning that the
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binary created by :ref:`system-outputs-flashimage` can be flashed
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using the vendor web UI or the U-Boot emergency "unbrick" routine.
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For flashing from an existing Liminix system (we think) it
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is necessary to first boot into a :ref:`system-outputs-kexecboot`
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system, otherwise you'll be overwriting flash partitions while
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they're in use - and that might not end well.
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Vendor web page: https://www.gl-inet.com/products/gl-mt300a/
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OpenWrt web page: https://openwrt.org/toh/gl.inet/gl-mt300a
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'';
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module = { pkgs, config, lib, lim, ...}:
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let
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inherit (pkgs.liminix.networking) interface;
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inherit (pkgs) openwrt;
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mac80211 = pkgs.mac80211.override {
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drivers = ["rt2800soc"];
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klibBuild = config.system.outputs.kernel.modulesupport;
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};
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in {
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imports = [ ../../modules/arch/mipsel.nix ];
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hardware = {
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defaultOutput = "flashimage";
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loadAddress = lim.parseInt "0x80000000";
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entryPoint = lim.parseInt "0x80000000";
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# Creating 5 MTD partitions on "spi0.0":
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# 0x000000000000-0x000000030000 : "u-boot"
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# 0x000000030000-0x000000040000 : "u-boot-env"
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# 0x000000040000-0x000000050000 : "factory"
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# 0x000000050000-0x000000fd0000 : "firmware"
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# 2 uimage-fw partitions found on MTD device firmware
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# Creating 2 MTD partitions on "firmware":
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# 0x000000000000-0x000000260000 : "kernel"
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# 0x000000260000-0x000000f80000 : "rootfs"
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flash = {
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address = "0xbc050000";
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size ="0xf80000";
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eraseBlockSize = "65536";
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};
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rootDevice = "/dev/mtdblock5";
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dts = {
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src = "${openwrt.src}/target/linux/ramips/dts/mt7620a_glinet_gl-mt300a.dts";
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includes = [
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"${openwrt.src}/target/linux/ramips/dts"
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];
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};
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networkInterfaces =
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let
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inherit (config.system.service.network) link;
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inherit (config.system.service) vlan;
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inherit (pkgs.liminix.services) oneshot;
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swconfig = oneshot {
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name = "swconfig";
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up = ''
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PATH=${pkgs.swconfig}/bin:$PATH
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swconfig dev switch0 set reset
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swconfig dev switch0 set enable_vlan 1
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swconfig dev switch0 vlan 1 set ports '1 2 3 4 6t'
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swconfig dev switch0 vlan 2 set ports '0 6t'
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swconfig dev switch0 set apply
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'';
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down = "${pkgs.swconfig}/bin/swconfig dev switch0 set reset";
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};
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in rec {
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eth = link.build { ifname = "eth0"; };
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# lan and wan ports are both behind a switch on eth0
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lan = vlan.build {
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ifname = "eth0.1";
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primary = eth;
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vid = "1";
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dependencies = [swconfig eth];
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};
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wan = vlan.build {
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ifname = "eth0.2";
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primary = eth;
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vid = "2";
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dependencies = [swconfig eth];
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};
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wlan = link.build {
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ifname = "wlan0";
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dependencies = [ mac80211 ];
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};
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};
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};
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boot.tftp = {
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loadAddress = lim.parseInt "0x00A00000";
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};
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kernel = {
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src = pkgs.fetchurl {
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name = "linux.tar.gz";
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url = "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.71.tar.gz";
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hash = "sha256-yhO2cXIeIgUxkSZf/4aAsF11uxyh+UUZu6D1h92vCD8=";
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};
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extraPatchPhase = ''
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${openwrt.applyPatches.ramips}
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'';
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config = {
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RALINK = "y";
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PCI = "y";
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SOC_MT7620 = "y";
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SERIAL_8250_CONSOLE = "y";
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SERIAL_8250 = "y";
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SERIAL_CORE_CONSOLE = "y";
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SERIAL_OF_PLATFORM = "y";
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CONSOLE_LOGLEVEL_DEFAULT = "8";
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CONSOLE_LOGLEVEL_QUIET = "4";
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NET = "y";
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ETHERNET = "y";
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NET_VENDOR_RALINK = "y";
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NET_RALINK_MDIO = "y";
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NET_RALINK_MDIO_MT7620 = "y";
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NET_RALINK_MT7620 = "y";
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SWPHY = "y";
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SPI = "y";
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MTD_SPI_NOR = "y";
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SPI_MT7621 = "y"; # } probably don't need both of these
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SPI_RT2880 = "y"; # }
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SPI_MASTER= "y";
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SPI_MEM= "y";
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MTD = "y";
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MTD_BLOCK = "y"; # fix undefined ref to register_mtd_blktrans_devs
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EARLY_PRINTK = "y";
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NEW_LEDS = "y";
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LEDS_CLASS = "y"; # required by rt2x00lib
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PRINTK_TIME = "y";
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} // lib.optionalAttrs (config.system.service ? vlan) {
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SWCONFIG = "y";
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};
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};
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};
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}
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