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kernel/linux-rt-4.4.41/arch/powerpc/boot/treeboot-ebony.c 844 Bytes
5113f6f70   김현기   kernel add
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  /*
   * Old U-boot compatibility for Ebony
   *
   * Author: David Gibson <david@gibson.dropbear.id.au>
   *
   * Copyright 2007 David Gibson, IBM Corporatio.
   *   Based on cuboot-83xx.c, which is:
   * 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 "44x.h"
  
  BSS_STACK(4096);
  
  #define OPENBIOS_MAC_BASE	0xfffffe0c
  #define OPENBIOS_MAC_OFFSET	0xc
  
  void platform_init(void)
  {
  	unsigned long end_of_ram = 0x8000000;
  	unsigned long avail_ram = end_of_ram - (unsigned long)_end;
  
  	simple_alloc_init(_end, avail_ram, 32, 64);
  	ebony_init((u8 *)OPENBIOS_MAC_BASE,
  		   (u8 *)(OPENBIOS_MAC_BASE + OPENBIOS_MAC_OFFSET));
  }