/* * 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> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. */ #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 */ }