mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-12 13:36:45 +07:00
3895006968
'bootrom_setup()' is only called via 'postcore_initcall'. It can be marked as __init to save a few bytes of memory. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
41 lines
844 B
C
41 lines
844 B
C
// 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 __init bootrom_setup(void)
|
|
{
|
|
debugfs_create_file("bootrom", 0444, NULL, NULL, &bootrom_file_ops);
|
|
return 0;
|
|
}
|
|
|
|
postcore_initcall(bootrom_setup);
|