242 lines
8.1 KiB
Nix
242 lines
8.1 KiB
Nix
{
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description = ''
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Turris Omnia
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************
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'';
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system = {
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crossSystem = {
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config = "armv7l-unknown-linux-musleabihf";
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};
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};
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module = {pkgs, config, lib, lim, ... }:
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let
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openwrt = pkgs.openwrt;
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inherit (lib) mkOption types;
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inherit (pkgs.liminix.services) oneshot;
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inherit (pkgs) liminix;
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mtd_by_name_links = pkgs.liminix.services.oneshot rec {
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name = "mtd_by_name_links";
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up = ''
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mkdir -p /dev/mtd/by-name
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cd /dev/mtd/by-name
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for i in /sys/class/mtd/mtd*[0-9]; do
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ln -s ../../$(basename $i) $(cat $i/name)
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done
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'';
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};
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in {
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imports = [
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../../modules/arch/arm.nix
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../../modules/outputs/tftpboot.nix
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../../modules/outputs/ext4fs.nix
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../../modules/outputs/mbrimage.nix
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../../modules/outputs/extlinux.nix
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];
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config = {
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services.mtd-name-links = mtd_by_name_links;
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kernel = {
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src = pkgs.pkgsBuildBuild.fetchurl {
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name = "linux.tar.gz";
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url = "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.71.tar.gz";
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hash = "sha256-yhO2cXIeIgUxkSZf/4aAsF11uxyh+UUZu6D1h92vCD8=";
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};
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extraPatchPhase = ''
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${pkgs.openwrt.applyPatches.mvebu}
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'';
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config = {
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PCI = "y";
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OF = "y";
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MEMORY = "y"; # for MVEBU_DEVBUS
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DMADEVICES = "y"; # for MV_XOR
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CPU_V7 = "y";
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ARCH_MULTIPLATFORM = "y";
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ARCH_MVEBU = "y";
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ARCH_MULTI_V7= "y";
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PCI_MVEBU = "y";
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AHCI_MVEBU = "y";
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MACH_ARMADA_38X = "y";
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SMP = "y";
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# this is disabled for the moment because it relies on a GCC
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# plugin that requires gmp.h to build, and I can't see right now
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# how to confgure it to find gmp
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STACKPROTECTOR_PER_TASK = "n";
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NR_CPUS = "4";
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VFP = "y";
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NEON= "y";
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# WARNING: unmet direct dependencies detected for ARCH_WANT_LIBATA_LEDS
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ATA = "y";
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PSTORE = "y";
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PSTORE_RAM = "y";
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PSTORE_CONSOLE = "y";
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PSTORE_DEFLATE_COMPRESS = "n";
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BLOCK = "y";
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MMC="y";
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PWRSEQ_EMMC="y"; # ???
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PWRSEQ_SIMPLE="y"; # ???
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MMC_BLOCK="y";
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MMC_SDHCI= "y";
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MMC_SDHCI_PLTFM= "y";
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MMC_SDHCI_PXAV3= "y";
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MMC_MVSDIO= "y";
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SERIAL_8250 = "y";
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SERIAL_8250_CONSOLE = "y";
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SERIAL_OF_PLATFORM="y";
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SERIAL_MVEBU_UART = "y";
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SERIAL_MVEBU_CONSOLE = "y";
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SERIAL_8250_DMA= "y";
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SERIAL_8250_DW= "y";
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SERIAL_8250_EXTENDED= "y";
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SERIAL_8250_MANY_PORTS= "y";
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SERIAL_8250_SHARE_IRQ= "y";
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OF_ADDRESS= "y";
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OF_MDIO= "y";
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WATCHDOG = "y"; # watchdog is enabled by u-boot
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ORION_WATCHDOG = "y"; # so is non-optional to keep feeding
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MVEBU_DEVBUS = "y"; # "Device Bus controller ... flash devices such as NOR, NAND, SRAM, and FPGA"
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MVMDIO = "y";
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MVNETA = "y";
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MVNETA_BM = "y";
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MVNETA_BM_ENABLE = "y";
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SRAM = "y"; # mmio-sram is "compatible" for bm_bppi reqd by BM
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PHY_MVEBU_A38X_COMPHY = "y"; # for eth2
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MVPP2 = "y";
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MV_XOR = "y";
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# there is NOR flash on this device, which is used for U-Boot
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# and the rescue system (which we don't interfere with) but
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# also for the U-Boot environment variables (which we might
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# need to meddle with)
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MTD_SPI_NOR = "y";
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SPI = "y";
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SPI_MASTER = "y";
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SPI_ORION = "y";
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NET_DSA = "y";
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NET_DSA_MV88E6XXX = "y"; # depends on PTP_1588_CLOCK_OPTIONAL
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};
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};
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boot = {
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commandLine = [
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"console=ttyS0,115200"
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"pcie_aspm=off" # ath9k pci incompatible with PCIe ASPM
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];
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imageFormat = "fit";
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};
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filesystem =
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let
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inherit (pkgs.pseudofile) dir symlink;
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firmware = pkgs.stdenv.mkDerivation {
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name = "wlan-firmware";
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phases = ["installPhase"];
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installPhase = ''
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mkdir $out
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cp -r ${pkgs.linux-firmware}/lib/firmware/ath10k/QCA988X $out
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'';
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};
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in dir {
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lib = dir {
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firmware = dir {
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ath10k = symlink firmware;
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};
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};
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etc = dir {
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"fw_env.config" =
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let f = pkgs.writeText "fw_env.config" ''
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/dev/mtd/by-name/u-boot-env 0x0 0x10000 0x10000
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'';
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in symlink f;
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};
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};
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boot.tftp = {
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loadAddress = lim.parseInt "0x1000000";
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kernelFormat = "zimage";
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compressRoot = true;
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};
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hardware = let
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mac80211 = pkgs.mac80211.override {
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drivers = ["ath9k_pci" "ath10k_pci"];
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klibBuild = config.system.outputs.kernel.modulesupport;
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};
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in {
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defaultOutput = "mtdimage";
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loadAddress = lim.parseInt "0x00800000"; # "0x00008000";
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entryPoint = lim.parseInt "0x00800000"; # "0x00008000";
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rootDevice = "/dev/mtdblock0";
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dts = {
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src = "${config.system.outputs.kernel.modulesupport}/arch/arm/boot/dts/armada-385-turris-omnia.dts";
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includes = [
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"${config.system.outputs.kernel.modulesupport}/arch/arm/boot/dts/"
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];
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};
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flash.eraseBlockSize = 65536; # only used for tftpboot
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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) bridge;
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in rec {
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en70000 = link.build {
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# in armada-38x.dtsi this is eth0.
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# It's connected to port 5 of the 88E6176 switch
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devpath = "/devices/platform/soc/soc:internal-regs/f1070000.ethernet";
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# name is unambiguous but not very semantic
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ifname = "en70000";
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};
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en30000 = link.build {
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# in armada-38x.dtsi this is eth1
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# It's connected to port 6 of the 88E6176 switch
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devpath = "/devices/platform/soc/soc:internal-regs/f1030000.ethernet";
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# name is unambiguous but not very semantic
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ifname = "en30000";
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};
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# the default (from the dts? I'm guessing) behavour for
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# lan ports on the switch is to attach them to
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# en30000. It should be possible to do something better,
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# per
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# https://www.kernel.org/doc/html/latest/networking/dsa/configuration.html#affinity-of-user-ports-to-cpu-ports
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# but apparently OpenWrt doesn't either so maybe it's more
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# complicated than it looks
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wan = link.build {
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# in armada-38x.dtsi this is eth2. It may be connected to
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# an ethernet phy or to the SFP cage, depending on a gpio
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devpath = "/devices/platform/soc/soc:internal-regs/f1034000.ethernet";
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ifname = "wan";
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};
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lan0 = link.build { ifname = "lan0"; };
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lan1 = link.build { ifname = "lan1"; };
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lan2 = link.build { ifname = "lan2"; };
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lan3 = link.build { ifname = "lan3"; };
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lan4 = link.build { ifname = "lan4"; };
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lan5 = link.build { ifname = "lan5"; };
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lan = lan0; # maybe we should build a bridge?
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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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wlan5 = link.build {
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ifname = "wlan1";
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dependencies = [ mac80211 ];
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};
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};
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};
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};
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};
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}
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