162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * Copyright (C) 2013 John Crispin <john@phrozen.org> 562306a36Sopenharmony_ci */ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#include <linux/debugfs.h> 862306a36Sopenharmony_ci#include <linux/seq_file.h> 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#define BOOTROM_OFFSET 0x10118000 1162306a36Sopenharmony_ci#define BOOTROM_SIZE 0x8000 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_cistatic void __iomem *membase = (void __iomem *) KSEG1ADDR(BOOTROM_OFFSET); 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_cistatic int bootrom_show(struct seq_file *s, void *unused) 1662306a36Sopenharmony_ci{ 1762306a36Sopenharmony_ci seq_write(s, membase, BOOTROM_SIZE); 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci return 0; 2062306a36Sopenharmony_ci} 2162306a36Sopenharmony_ciDEFINE_SHOW_ATTRIBUTE(bootrom); 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_cistatic int __init bootrom_setup(void) 2462306a36Sopenharmony_ci{ 2562306a36Sopenharmony_ci debugfs_create_file("bootrom", 0444, NULL, NULL, &bootrom_fops); 2662306a36Sopenharmony_ci return 0; 2762306a36Sopenharmony_ci} 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_cipostcore_initcall(bootrom_setup); 30