// SPDX-License-Identifier: GPL-2.0-only /* * * 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) { debugfs_create_file("bootrom", 0444, NULL, NULL, &bootrom_file_ops); return 0; } postcore_initcall(bootrom_setup); |