LXR linux/arch/powerpc/boot/cuboot.c

   1/*
   2 * Compatibility for old (not device tree aware) U-Boot versions
   3 *
   4 * Author: Scott Wood <scottwood@freescale.com>
   5 * Consolidated using macros by David Gibson <david@gibson.dropbear.id.au>
   6 *
   7 * Copyright 2007 David Gibson, IBM Corporation.
   8 * Copyright (c) 2007 Freescale Semiconductor, Inc.
   9 *
  10 * This program is free software; you can redistribute it and/or modify it
  11 * under the terms of the GNU General Public License version 2 as published
  12 * by the Free Software Foundation.
  13 */
  14
  15#include "ops.h"
  16#include "stdio.h"
  17
  18#include "ppcboot.h"
  19
  20void cuboot_init(unsigned long r4, unsigned long r5,
  21                 unsigned long r6, unsigned long r7,
  22                 unsigned long end_of_ram)
  23{
  24        unsigned long avail_ram = end_of_ram - (unsigned long)_end;
  25
  26        loader_info.initrd_addr = r4;
  27        loader_info.initrd_size = r4 ? r5 - r4 : 0;
  28        loader_info.cmdline = (char *)r6;
  29        loader_info.cmdline_len = r7 - r6;
  30
  31        simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64);
  32}
  33