feat(zyxel): cleanup A/B schema
Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
This commit is contained in:
Raito Bezarius
parent
afb14d844b
commit
59d6640343
8 changed files with 29 additions and 180 deletions
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@ -4,7 +4,6 @@
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, liminix-config ? <liminix-config>
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, nixpkgs ? <nixpkgs>
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, borderVmConf ? ./bordervm.conf.nix
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, imageType ? "primary"
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}:
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let
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@ -35,9 +34,6 @@ let
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./modules/s6
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./modules/users.nix
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./modules/outputs.nix
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{
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boot.imageType = imageType;
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}
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];
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};
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config = eval.config;
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@ -1,155 +0,0 @@
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#include "mt7621.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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/ {
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aliases {
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label-mac-device = &gmac0;
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};
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};
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&nand {
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status = "okay";
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mediatek,nmbm;
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mediatek,bmt-max-ratio = <15>;
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mediatek,bmt-max-reserved-blocks = <64>;
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mediatek,bmt-remap-range =
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<0x0 0x980000>,
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<0x2980000 0x7800000>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x0 0x80000>;
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read-only;
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};
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partition@80000 {
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label = "u-boot-env";
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reg = <0x80000 0x80000>;
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read-only;
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};
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factory: partition@100000 {
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label = "factory";
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reg = <0x100000 0x80000>;
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read-only;
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};
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partition@2980000 {
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label = "firmware_b";
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reg = <0x2980000 0x2800000>;
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "kernel_b";
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reg = <0x0 0x800000>;
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};
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partition@400000 {
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label = "ubi";
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reg = <0x800000 0x2000000>;
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};
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};
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partition@180000 {
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label = "firmware_a";
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reg = <0x180000 0x2800000>;
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "kernel_a";
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reg = <0x0 0x800000>;
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};
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partition@400000 {
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label = "ubi_a";
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reg = <0x800000 0x2000000>;
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};
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};
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partition@5180000 {
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label = "rootfs_data";
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reg = <0x5180000 0x1400000>;
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};
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partition@6580000 {
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label = "logs";
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reg = <0x6580000 0xd00000>;
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};
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partition@7280000 {
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label = "vendor-myzyxel";
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reg = <0x7280000 0x480000>;
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read-only;
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};
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partition@7700000 {
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label = "bootconfig";
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reg = <0x7700000 0x80000>;
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};
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mrd: partition@7780000 {
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label = "mrd";
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reg = <0x7780000 0x80000>;
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read-only;
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nvmem-layout {
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compatible = "fixed-layout";
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#address-cells = <1>;
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#size-cells = <1>;
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macaddr_mrd_1fff8: macaddr@1fff8 {
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reg = <0x1fff8 0x6>;
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};
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};
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};
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};
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};
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&pcie {
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status = "okay";
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};
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&pcie1 {
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wlan_5g: wifi@0,0 {
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reg = <0x0 0 0 0 0>;
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compatible = "mediatek,mt76";
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mediatek,mtd-eeprom = <&factory 0x0>;
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/* MAC-Address set in userspace */
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};
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};
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&gmac0 {
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nvmem-cells = <&macaddr_mrd_1fff8>;
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nvmem-cell-names = "mac-address";
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};
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&switch0 {
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ports {
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port@4 {
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status = "okay";
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label = "lan";
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};
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};
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};
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&state_default {
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gpio {
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groups = "uart3";
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function = "gpio";
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};
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};
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@ -91,7 +91,6 @@
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- Mount the logs partition, mount / as overlayfs of firmware ? rootfs and rootfs_data for extended data.
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- Jitter-based entropy injection? Device can be slow to initialize its CRNG and hostapd will reject few clients at the start because of that.
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- Defaults for hostapd based on MT7915 capabilities? See the example for one possible list.
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- Remove primary/secondary hack and put it in preinit.
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- Offer ways to reflash the *bootloader* itself to support direct boot via UBI and kernel upgrades via filesystem rewrite.
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Vendor web page: https://www.zyxel.com/fr/fr/products/wireless/ax1800-wifi-6-dual-radio-nebulaflex-access-point-nwa50ax
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@ -171,6 +170,8 @@
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maxLEBcount = "256";
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};
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flash.eraseBlockSize = 65536;
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# This is a FIT containing a kernel padded and
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# a UBI volume rootfs.
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defaultOutput = "zyxel-nwa-fit";
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@ -181,22 +182,18 @@
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alignment = 2048;
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rootDevice = "ubi:rootfs";
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alternativeRootDevice = "ubi:rootfs";
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# Auto-attach MTD devices: ubi_a then ubi_b.
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ubi.mtds = [ "ubi_a" "ubi_b" ];
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dts = {
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# Actually, this is not what we want.
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# This DTS is insufficient.
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src = ./mt7621_zyxel_nwa50ax.dtsi;
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# Strong DTB assumptions:
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# ubi_a and ubi_b are two MTD devices.
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# If those changes, disaster will occur.
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src = ./dtb/mt7621_zyxel_nwa50ax.dtsi;
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includes = [
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# Here's one weird trick to make `ubi` detection
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# out of the box.
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# We will write ubi on /dev/firmware_a:rootfs location
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# and same for /dev/firmware_b:rootfs.
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# How do we distinguish both?
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# We can just use the DTS to point ubi at A or B.
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# This, unfortunately, means that we have "two images".
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# But they are really just 1 image with 2 different DTS.
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# TODO: improve this hack in preinit?
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(if config.boot.imageType == "primary" then "${./a_image}" else "${./b_image}")
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"${./dtb}"
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"${openwrt.src}/target/linux/ramips/dts"
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];
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};
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@ -56,7 +56,7 @@
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};
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partition@400000 {
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label = "ubi";
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label = "ubi_a";
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reg = <0x800000 0x2000000>;
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};
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};
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@ -67,10 +67,6 @@ in {
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default = "bootargs";
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description = "Kernel command line's devicetree node";
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};
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imageType = mkOption {
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type = types.enum [ "primary" "secondary" ];
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default = "primary";
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};
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imageFormat = mkOption {
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type = types.enum ["fit" "uimage"];
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default = "uimage";
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@ -113,7 +109,10 @@ in {
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"root=${config.hardware.rootDevice}"
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"rootfstype=${config.rootfsType}"
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"fw_devlink=off"
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] ++ lib.optional (config.rootOptions != null) "rootflags=${config.rootOptions}";
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]
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++ (map (mtd: "ubi.mtd=${mtd}") config.hardware.ubi.mtds)
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++ lib.optional (config.rootOptions != null) "rootflags=${config.rootOptions}"
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++ lib.optional (config.hardware.alternativeRootDevice != null) "altroot=${config.hardware.alternativeRootDevice}";
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system.callService = path : parameters :
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let
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@ -82,6 +82,18 @@ in {
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type = types.str;
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example = "/dev/mtdblock3";
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};
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alternativeRootDevice = mkOption {
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description = "Full path to alternative preferred root device (the B partition of your rootfs)";
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type = types.nullOr types.str;
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example = "ubi_b:rootfs";
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default = null;
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};
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ubi.mtds = mkOption {
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description = "List of MTD device to attach";
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type = types.listOf types.str;
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example = [ "ubi_a" "ubi_b" "data" ];
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default = null;
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};
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networkInterfaces = mkOption {
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type = types.attrsOf types.anything;
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};
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@ -62,7 +62,7 @@ on a system with pre-existing firmware and OS.
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};
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'';
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in
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pkgs.runCommand "zyxel-nwa-fit-${config.boot.imageType}" {
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pkgs.runCommand "zyxel-nwa-fit" {
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nativeBuildInputs = [ pkgs.pkgsBuildBuild.ubootTools pkgs.pkgsBuildBuild.dtc ];
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} ''
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mkimage -f ${dts} $out
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