| 1 | // SPDX-License-Identifier: GPL-2.0-only |
|---|---|
| 2 | /* |
| 3 | * |
| 4 | * Copyright (C) 2013 John Crispin <john@phrozen.org> |
| 5 | */ |
| 6 | |
| 7 | #include <linux/debugfs.h> |
| 8 | #include <linux/seq_file.h> |
| 9 | |
| 10 | #define BOOTROM_OFFSET 0x10118000 |
| 11 | #define BOOTROM_SIZE 0x8000 |
| 12 | |
| 13 | static void __iomem *membase = (void __iomem *) KSEG1ADDR(BOOTROM_OFFSET); |
| 14 | |
| 15 | static int bootrom_show(struct seq_file *s, void *unused) |
| 16 | { |
| 17 | seq_write(seq: s, data: membase, BOOTROM_SIZE); |
| 18 | |
| 19 | return 0; |
| 20 | } |
| 21 | DEFINE_SHOW_ATTRIBUTE(bootrom); |
| 22 | |
| 23 | static int __init bootrom_setup(void) |
| 24 | { |
| 25 | debugfs_create_file(name: "bootrom", mode: 0444, NULL, NULL, fops: &bootrom_fops); |
| 26 | return 0; |
| 27 | } |
| 28 | |
| 29 | postcore_initcall(bootrom_setup); |
| 30 |