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kernel/linux-rt-4.4.41/arch/powerpc/boot/treeboot-bamboo.c 1.02 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright IBM Corporation, 2007
   * Josh Boyer <jwboyer@linux.vnet.ibm.com>
   *
   * Based on ebony wrapper:
   * Copyright 2007 David Gibson, IBM Corporation.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; version 2 of the License
   */
  #include "ops.h"
  #include "stdio.h"
  #include "44x.h"
  #include "stdlib.h"
  
  BSS_STACK(4096);
  
  #define PIBS_MAC0 0xfffc0400
  #define PIBS_MAC1 0xfffc0500
  char pibs_mac0[6];
  char pibs_mac1[6];
  
  static void read_pibs_mac(void)
  {
  	unsigned long long mac64;
  
  	mac64 = strtoull((char *)PIBS_MAC0, 0, 16);
  	memcpy(&pibs_mac0, (char *)&mac64+2, 6);
  
  	mac64 = strtoull((char *)PIBS_MAC1, 0, 16);
  	memcpy(&pibs_mac1, (char *)&mac64+2, 6);
  }
  
  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);
  	read_pibs_mac();
  	bamboo_init((u8 *)&pibs_mac0, (u8 *)&pibs_mac1);
  }