LXR linux/arch/powerpc/boot/treeboot-ebony.c

   1/*
   2 * Old U-boot compatibility for Ebony
   3 *
   4 * Author: David Gibson <david@gibson.dropbear.id.au>
   5 *
   6 * Copyright 2007 David Gibson, IBM Corporatio.
   7 *   Based on cuboot-83xx.c, which is:
   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#include "44x.h"
  18
  19BSS_STACK(4096);
  20
  21#define OPENBIOS_MAC_BASE       0xfffffe0c
  22#define OPENBIOS_MAC_OFFSET     0xc
  23
  24void platform_init(void)
  25{
  26        unsigned long end_of_ram = 0x8000000;
  27        unsigned long avail_ram = end_of_ram - (unsigned long)_end;
  28
  29        simple_alloc_init(_end, avail_ram, 32, 64);
  30        ebony_init((u8 *)OPENBIOS_MAC_BASE,
  31                   (u8 *)(OPENBIOS_MAC_BASE + OPENBIOS_MAC_OFFSET));
  32}
  33