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kernel/linux-imx6_3.14.28/arch/powerpc/boot/cuboot.c 944 Bytes
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  /*
   * Compatibility for old (not device tree aware) U-Boot versions
   *
   * Author: Scott Wood <scottwood@freescale.com>
   * Consolidated using macros by David Gibson <david@gibson.dropbear.id.au>
   *
   * Copyright 2007 David Gibson, IBM Corporation.
   * Copyright (c) 2007 Freescale Semiconductor, Inc.
   *
   * 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 "ops.h"
  #include "stdio.h"
  
  #include "ppcboot.h"
  
  void cuboot_init(unsigned long r4, unsigned long r5,
  		 unsigned long r6, unsigned long r7,
  		 unsigned long end_of_ram)
  {
  	unsigned long avail_ram = end_of_ram - (unsigned long)_end;
  
  	loader_info.initrd_addr = r4;
  	loader_info.initrd_size = r4 ? r5 - r4 : 0;
  	loader_info.cmdline = (char *)r6;
  	loader_info.cmdline_len = r7 - r6;
  
  	simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64);
  }