2 * Atheros AR71XX/AR724X/AR913X specific prom routines
4 * Copyright (C) 2015 Laurent Fasnacht <l@libres.ch>
5 * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
6 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
13 #include <linux/kernel.h>
14 #include <linux/init.h>
16 #include <linux/string.h>
17 #include <linux/initrd.h>
19 #include <asm/bootinfo.h>
20 #include <asm/addrspace.h>
21 #include <asm/fw/fw.h>
25 void __init prom_init(void)
29 #ifdef CONFIG_BLK_DEV_INITRD
30 /* Read the initrd address from the firmware environment */
31 initrd_start = fw_getenvl("initrd_start");
33 initrd_start = KSEG0ADDR(initrd_start);
34 initrd_end = initrd_start + fw_getenvl("initrd_size");
39 void __init prom_free_prom_memory(void)
41 /* We do not have to prom memory to free */