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556b6629c1
initrd_start is defined in init/do_mounts_initrd.c, which is only included in kernel if CONFIG_BLK_DEV_INITRD=y. Signed-off-by: Laurent Fasnacht <l@libres.ch> Cc: linux-mips@linux-mips.org Cc: trivial@kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10198/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
43 lines
1.0 KiB
C
43 lines
1.0 KiB
C
/*
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* Atheros AR71XX/AR724X/AR913X specific prom routines
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*
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* Copyright (C) 2015 Laurent Fasnacht <l@libres.ch>
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* Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/string.h>
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#include <linux/initrd.h>
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#include <asm/bootinfo.h>
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#include <asm/addrspace.h>
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#include <asm/fw/fw.h>
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#include "common.h"
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void __init prom_init(void)
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{
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fw_init_cmdline();
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#ifdef CONFIG_BLK_DEV_INITRD
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/* Read the initrd address from the firmware environment */
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initrd_start = fw_getenvl("initrd_start");
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if (initrd_start) {
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initrd_start = KSEG0ADDR(initrd_start);
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initrd_end = initrd_start + fw_getenvl("initrd_size");
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}
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#endif
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}
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void __init prom_free_prom_memory(void)
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{
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/* We do not have to prom memory to free */
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}
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