luci/applications/luci-app-advanced-reboot/root/usr/share/advanced-reboot/devices/mercusys-mr90xv1.json

{
    "vendorName": "MERCUSYS",
    "deviceName": "MR90X v1",
    "boardNames": [ "mercusys,mr90x-v1" ],
    "partition1MTD": "mtd2",
    "partition2MTD": "mtd3",
    "opOffset": 0,
    "ubiVolume": 2,
    "labelOffset": null,
    "bootEnv1": "tp_boot_idx",
    "bootEnv1Partition1Value": 0,
    "bootEnv1Partition2Value": 1,
    "bootEnv2": null,
    "bootEnv2Partition1Value": null,
    "bootEnv2Partition2Value": null
}