| /* |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published |
| * by the Free Software Foundation. |
| * |
| * Copyright (C) 2013 John Crispin <john@phrozen.org> |
| */ |
| |
| #include <linux/debugfs.h> |
| #include <linux/seq_file.h> |
| |
| #define BOOTROM_OFFSET 0x10118000 |
| #define BOOTROM_SIZE 0x8000 |
| |
| static void __iomem *membase = (void __iomem *) KSEG1ADDR(BOOTROM_OFFSET); |
| |
| static int bootrom_show(struct seq_file *s, void *unused) |
| { |
| seq_write(s, membase, BOOTROM_SIZE); |
| |
| return 0; |
| } |
| |
| static int bootrom_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, bootrom_show, NULL); |
| } |
| |
| static const struct file_operations bootrom_file_ops = { |
| .open = bootrom_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release, |
| }; |
| |
| static int bootrom_setup(void) |
| { |
| if (!debugfs_create_file("bootrom", 0444, |
| NULL, NULL, &bootrom_file_ops)) { |
| pr_err("Failed to create bootrom debugfs file\n"); |
| |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| postcore_initcall(bootrom_setup); |