blob: 25724b4e97fd7dfea3d3654cac387131ea9569cb (
plain)
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
35
36
37
38
39
|
// 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
}
void __init prom_free_prom_memory(void)
{
/* We do not have to prom memory to free */
}
|
