sw/host/opentitanlib/src/app/config/opentitan_ultradebug.json

{
  "includes": ["/__builtin__/opentitan.json"],
  "interface": "ultradebug",
  "pins": [
    {
      "name": "RESET",
      "alias_of": "RESET_B"
    },
    {
      "name": "BOOTSTRAP"
    }
  ],
  "uarts": [
    {
      "name": "console",
      "alias_of": "0"
    }
  ]
}