File: prom.c

package info (click to toggle)
linux 6.1.139-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,495,880 kB
  • sloc: ansic: 23,469,452; asm: 266,614; sh: 110,522; makefile: 49,887; python: 36,990; perl: 36,834; cpp: 6,056; yacc: 4,908; lex: 2,725; awk: 1,440; ruby: 25; sed: 5
file content (34 lines) | stat: -rw-r--r-- 817 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
// SPDX-License-Identifier: GPL-2.0-only
/*
 *  Atheros AR71XX/AR724X/AR913X specific prom routines
 *
 *  Copyright (C) 2015 Laurent Fasnacht <l@libres.ch>
 *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
 *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/string.h>
#include <linux/initrd.h>

#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/fw/fw.h>

#include "common.h"

void __init prom_init(void)
{
	fw_init_cmdline();

#ifdef CONFIG_BLK_DEV_INITRD
	/* Read the initrd address from the firmware environment */
	initrd_start = fw_getenvl("initrd_start");
	if (initrd_start) {
		initrd_start = KSEG0ADDR(initrd_start);
		initrd_end = initrd_start + fw_getenvl("initrd_size");
	}
#endif
}