From 4559072cbf4421a4cad4fe140809a32c8fb99bf3 Mon Sep 17 00:00:00 2001
From: Arnout Engelen <arnout@bzzt.net>
Date: Thu, 25 Jan 2024 11:23:02 +0100
Subject: [PATCH] Add support for TP-Link Archer AX32
When booting over tftp:
MT7621 # bootm 0x868c3000
## Booting image at 868c3000 ...
Image Name: MIPS Liminix Linux
Image Type: MIPS Linux Kernel Image (lzma compressed)
Data Size: 2457948 Bytes = 2.3 MB
Load Address: 80001000
Entry Point: 80001000
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
No initrd
nm_init:791
nm_initFwupPtnStruct:276
nm_lib_readPtnTable:738
[NM_Debug](nm_lib_readPtnTable) 00743: NM_PTN_TABLE_BASE = 0xfe0000
[NM_Debug](nm_lib_readPtnFromNvram) 00569: partition_used_len = 1054, requried len = 8192
[NM_Debug](nm_lib_readPtnTable) 00751: Reading Partition Table from NVRAM ... OK
[NM_Debug](nm_lib_readPtnTable) 00759: Parsing Partition Table ... OK
[NM_Debug](nm_lib_readPtnFromNvram) 00569: partition_used_len = 3, requried len = 3
[NM_Error](nm_api_checkTestMode) 00417: factory boot check testmode flag is not 1.
### test_mode=disable,boot_args:console=ttyS1,115200 root=/dev/mtdblock2 rootfstype=squashfs init=/etc/preinit mtdparts=raspi:256k(uboot),4096k(uImage),11968k@0x440000(rootfs),64k@0xff0000(ART) mem=128M test_mode=disable
## Transferring control to Linux (at address 80001000) ...
## Giving linux memsize in MB, 128
Starting kernel ...
---
devices/tp-archer-ax23/default.nix | 232 +++++++++++++++++++++++++++++
examples/hello-from-ax23.nix | 42 ++++++
2 files changed, 274 insertions(+)
create mode 100644 devices/tp-archer-ax23/default.nix
create mode 100644 examples/hello-from-ax23.nix
diff --git a/devices/tp-archer-ax23/default.nix b/devices/tp-archer-ax23/default.nix
new file mode 100644
index 00000000..2a4fcdd6
--- /dev/null
+++ b/devices/tp-archer-ax23/default.nix
@@ -0,0 +1,232 @@
+{
+ description = ''
+ TP-Link Archer AX23 / AX1800 Dual Band Wi-Fi 6 Router
+ *****************************************************
+
+ Hardware summary
+ ================
+
+ - MediaTek MT7621 (880MHz)
+ - 16MB Flash
+ - 128MB RAM
+ - WLan hardware: Mediatek MT7905, MT7975
+ '';
+
+ system = {
+ crossSystem = {
+ config = "mips-unknown-linux-musl";
+ };
+ };
+
+ module = {pkgs, config, lib, lim, ... }:
+ let firmware = pkgs.stdenv.mkDerivation {
+ name = "wlan-firmware";
+ phases = ["installPhase"];
+ installPhase = ''
+ mkdir $out
+ cp ${pkgs.linux-firmware}/lib/firmware/mediatek/{mt7915,mt7615,mt7622}* $out
+ '';
+ };
+ in {
+ imports = [
+ ../../modules/arch/mips.nix
+ ../../modules/outputs/tftpboot.nix
+ ../../modules/outputs/ubifs.nix
+ ];
+ config = {
+ kernel = {
+ src = pkgs.pkgsBuildBuild.fetchurl {
+ name = "linux.tar.gz";
+ url = "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.137.tar.gz";
+ hash = "sha256-PkdzUKZ0IpBiWe/RS70J76JKnBFzRblWcKlaIFNxnHQ=";
+ };
+ extraPatchPhase = ''
+ ${pkgs.openwrt.applyPatches.ramips}
+ '';
+ config = {
+ # Taken from the rt3200 and gl-mt300n
+ RALINK="y";
+ PCI = "y";
+ SOC_MT7620="y";
+
+ # needed for "Cannot find regmap for /infracfg@10000000"
+ MFD_SYSCON = "y";
+
+ PM_CLK="y";
+
+ REGMAP_MMIO = "y";
+ CLKSRC_MMIO = "y";
+ REGMAP = "y";
+
+ MEDIATEK_GE_PHY = "y";
+ # MEDIATEK_MT6577_AUXADC = "y";
+ # MEDIATEK_WATCHDOG = "y";
+ NET_MEDIATEK_SOC = "y";
+ NET_MEDIATEK_STAR_EMAC = "y"; # this enables REGMAP_MMIO
+ NET_VENDOR_MEDIATEK = "y";
+
+ BLOCK = "y"; # move this to base option
+
+ SPI_MASTER = "y";
+ SPI = "y";
+ SPI_MEM="y";
+
+ MTD = "y";
+ MTD_BLOCK = "y";
+ MTD_RAW_NAND = "y";
+ MTD_NAND_MTK_BMT = "y"; # Bad-block Management Table
+ MTD_NAND_ECC_SW_HAMMING= "y";
+ MTD_SPI_NAND= "y";
+ MTD_OF_PARTS = "y";
+ MTD_NAND_CORE= "y";
+ MTD_SPI_NOR= "y";
+ MTD_SPLIT_FIRMWARE= "y";
+ MTD_SPLIT_FIT_FW= "y";
+
+
+ MMC = "y";
+ MMC_BLOCK = "y";
+ MMC_CQHCI = "y";
+ MMC_MTK = "y";
+
+ # Distributed Switch Architecture is needed
+ # to make the ethernet ports visible
+ NET_DSA="y";
+ NET_DSA_MT7530="y";
+ NET_DSA_TAG_MTK="y";
+
+ PSTORE = "y";
+ PSTORE_RAM = "y";
+ PSTORE_CONSOLE = "y";
+ PSTORE_DEFLATE_COMPRESS = "n";
+
+ GPIOLIB="y";
+ GPIO_MT7621 = "y";
+ PINCTRL="y";
+ ETHERNET="y";
+
+ SERIAL_8250 = "y";
+ SERIAL_8250_CONSOLE = "y";
+ # SERIAL_8250_NR_UARTS="3";
+ # SERIAL_8250_RUNTIME_UARTS="3";
+ SERIAL_CORE_CONSOLE = "y";
+ SERIAL_OF_PLATFORM="y";
+ } // lib.optionalAttrs (config.system.service ? watchdog) {
+ RALINK_WDT = "y"; # watchdog
+ MT7621_WDT = "y"; # or it might be this one
+ };
+ };
+ boot = {
+ commandLine = [ "console=ttyS0,115200" ];
+ tftp = {
+ #ipaddr = "10.0.0.8"; # router address
+ #serverip = "10.0.0.1"; # build machine or other tftp server
+ # Should be a segment of free RAM, where the tftp artifact
+ # can be stored before unpacking it to the 'hardware.loadAddress'
+ # The 'hardware.loadAddress' is 0x80001000, which suggests the
+ # RAM would start at 0x8000000 and (being 128MB) go to
+ # to 0x8800000. Let's put it at the 100MB mark at
+ # 0x8000000+0x0640000=0x86400000
+ loadAddress = lim.parseInt "0x86400000";
+ };
+ };
+ filesystem =
+ let inherit (pkgs.pseudofile) dir symlink;
+ in
+ dir {
+ lib = dir {
+ firmware = dir {
+ mediatek = symlink firmware;
+ };
+ };
+ };
+
+ hardware =
+ let
+ openwrt = pkgs.openwrt;
+ mac80211 = pkgs.mac80211.override {
+ drivers = [
+ "mt7615e"
+ "mt7915e"
+ ];
+ klibBuild = config.system.outputs.kernel.modulesupport;
+ };
+ in {
+ #ubi = {
+ # # TODO how to determine?
+ # minIOSize = "2048";
+ # # TODO how to determine?
+ # eraseBlockSize = "126976";
+ # # TODO how to determine?
+ # maxLEBcount = "1024"; # guessing
+ #};
+ # from OEM bootlog (openwrt wiki):
+ # 4 cmdlinepart partitions found on MTD device raspi
+ # Creating 4 MTD partitions on "raspi":
+ # 0x000000000000-0x000000040000 : "uboot"
+ # 0x000000040000-0x000000440000 : "uImage"
+ # 0x000000440000-0x000000ff0000 : "rootfs"
+ # 0x000000ff0000-0x000001000000 : "ART"
+ # from openwrt bootlog (openwrt wiki):
+ # 5 fixed-partitions partitions found on MTD device spi0.0
+ # OF: Bad cell count for /palmbus@1e000000/spi@b00/flash@0/partitions
+ # OF: Bad cell count for /palmbus@1e000000/spi@b00/flash@0/partitions
+ # OF: Bad cell count for /palmbus@1e000000/spi@b00/flash@0/partitions
+ # OF: Bad cell count for /palmbus@1e000000/spi@b00/flash@0/partitions
+ # Creating 5 MTD partitions on "spi0.0":
+ # 0x000000000000-0x000000040000 : "u-boot"
+ # 0x000000040000-0x000000fa0000 : "firmware"
+ # 2 uimage-fw partitions found on MTD device firmware
+ # Creating 2 MTD partitions on "firmware":
+ # 0x000000000000-0x0000002c0000 : "kernel"
+ # 0x0000002c0000-0x000000f60000 : "rootfs"
+ # mtd: setting mtd3 (rootfs) as root device
+ # 1 squashfs-split partitions found on MTD device rootfs
+ # 0x000000640000-0x000000f60000 : "rootfs_data"
+ # 0x000000fa0000-0x000000fb0000 : "config"
+ # 0x000000fb0000-0x000000ff0000 : "tplink"
+ # 0x000000ff0000-0x000001000000 : "radio"
+ flash = {
+ # from the OEM bootlog 'Booting image at bc040000'
+ # (0x40000 from 0xbc000000)
+ address = lim.parseInt "0xbc040000";
+ # 0x000000040000-0x000000fa0000
+ size = lim.parseInt "0xf60000";
+ # TODO how to determine?
+ eraseBlockSize = 65536;
+ };
+
+ # since this is mentioned in the partition table as well?
+ defaultOutput = "uimage";
+ # taken from openwrt sysupgrade image:
+ # openwrt-23.05.2-ramips-mt7621-tplink_archer-ax23-v1-squashfs-sysupgrade.bin: u-boot legacy uImage, MIPS OpenWrt Linux-5.15.137, Linux/MIPS, OS Kernel Image (lzma), 2797386 bytes, Tue Nov 14 13:38:11 2023, Load Address: 0X80001000, Entry Point: 0X80001000, Header CRC: 0X19F74C5B, Data CRC: 0XF685563C
+ loadAddress = lim.parseInt "0x80001000";
+ entryPoint = lim.parseInt "0x80001000";
+ rootDevice = "ubi0:liminix";
+ dts = {
+ src = "${openwrt.src}/target/linux/ramips/dts/mt7621_tplink_archer-ax23-v1.dts";
+ includes = [
+ "${openwrt.src}/target/linux/ramips/dts"
+ "${config.system.outputs.kernel.modulesupport}/arch/arm64/boot/dts/mediatek/"
+ ];
+ };
+
+ networkInterfaces =
+ let
+ inherit (config.system.service.network) link;
+ inherit (config.system.service) bridge;
+ in rec {
+ lan1 = link.build { ifname = "lan1"; };
+ lan2 = link.build { ifname = "lan2"; };
+ lan3 = link.build { ifname = "lan3"; };
+ lan4 = link.build { ifname = "lan4"; };
+
+ wan = link.build {
+ ifname = "wan";
+ dependencies = [ mac80211 ];
+ };
+ };
+ };
+ };
+ };
+}
diff --git a/examples/hello-from-ax23.nix b/examples/hello-from-ax23.nix
new file mode 100644
index 00000000..c0e1ffcf
--- /dev/null
+++ b/examples/hello-from-ax23.nix
@@ -0,0 +1,42 @@
+{ config, pkgs, lib, ... } :
+let
+ inherit (pkgs) serviceFns;
+ svc = config.system.service;
+
+in rec {
+ imports = [
+ ../modules/network
+ ../modules/ssh
+ ../modules/vlan
+ ];
+
+ boot.tftp = {
+ # IP addresses to use in the boot monitor when flashing/ booting
+ # over TFTP. If you are flashing using the stock firmware's Web UI
+ # then these dummy values are fine
+ ipaddr = "192.168.0.1"; # my address
+ serverip = "192.168.0.5"; # build machine or other tftp server
+ };
+
+ hostname = "hello";
+
+ services.dhcpc = svc.network.dhcp.client.build {
+ interface = config.hardware.networkInterfaces.lan1;
+
+ # don't start DHCP until the hostname is configured,
+ # so it can identify itself to the DHCP server
+ dependencies = [ config.services.hostname ];
+ };
+
+ services.sshd = svc.ssh.build { };
+
+ users.root = {
+ # the password is "secret". Use mkpasswd -m sha512crypt to
+ # create this hashed password string
+ passwd = "$6$y7WZ5hM6l5nriLmo$5AJlmzQZ6WA.7uBC7S8L4o19ESR28Dg25v64/vDvvCN01Ms9QoHeGByj8lGlJ4/b.dbwR9Hq2KXurSnLigt1W1";
+ };
+
+ defaultProfile.packages = with pkgs; [
+ figlet
+ ];
+}