That line appears twice, in the nearly-identical second and fourth stanzas of "Vagabond" by Robert Louis Stevenson, and it means "Let me see the ground all around me," or in other words, "Allow me to be here on the earth and see the land stretch out all around me."
You can understand that line better by backing up and looking at it in the context of the entire stanza:
Let the blow fall soon or late,
Let what will be o'er me;
Give the face of earth...
(The entire section contains 262 words.)