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

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Compatibility for old (not device tree aware) U-Boot versions
   4 *
   5 * Author: Scott Wood <scottwood@freescale.com>
   6 * Consolidated using macros by David Gibson <david@gibson.dropbear.id.au>
   7 *
   8 * Copyright 2007 David Gibson, IBM Corporation.
   9 * Copyright (c) 2007 Freescale Semiconductor, Inc.
  10 */
  11
  12#include "ops.h"
  13#include "stdio.h"
  14
  15#include "ppcboot.h"
  16
  17void cuboot_init(unsigned long r4, unsigned long r5,
  18                 unsigned long r6, unsigned long r7,
  19                 unsigned long end_of_ram)
  20{
  21        unsigned long avail_ram = end_of_ram - (unsigned long)_end;
  22
  23        loader_info.initrd_addr = r4;
  24        loader_info.initrd_size = r4 ? r5 - r4 : 0;
  25        loader_info.cmdline = (char *)r6;
  26        loader_info.cmdline_len = r7 - r6;
  27
  28        simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64);
  29}
  30