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

   1/*
   2 * Copyright IBM Corporation, 2007
   3 * Josh Boyer <jwboyer@linux.vnet.ibm.com>
   4 *
   5 * Based on ebony wrapper:
   6 * Copyright 2007 David Gibson, IBM Corporation.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License
  10 * as published by the Free Software Foundation; version 2 of the License
  11 */
  12#include "ops.h"
  13#include "stdio.h"
  14#include "44x.h"
  15#include "stdlib.h"
  16
  17BSS_STACK(4096);
  18
  19#define PIBS_MAC0 0xfffc0400
  20#define PIBS_MAC1 0xfffc0500
  21char pibs_mac0[6];
  22char pibs_mac1[6];
  23
  24static void read_pibs_mac(void)
  25{
  26        unsigned long long mac64;
  27
  28        mac64 = strtoull((char *)PIBS_MAC0, 0, 16);
  29        memcpy(&pibs_mac0, (char *)&mac64+2, 6);
  30
  31        mac64 = strtoull((char *)PIBS_MAC1, 0, 16);
  32        memcpy(&pibs_mac1, (char *)&mac64+2, 6);
  33}
  34
  35void platform_init(void)
  36{
  37        unsigned long end_of_ram = 0x8000000;
  38        unsigned long avail_ram = end_of_ram - (unsigned long)_end;
  39
  40        simple_alloc_init(_end, avail_ram, 32, 64);
  41        read_pibs_mac();
  42        bamboo_init((u8 *)&pibs_mac0, (u8 *)&pibs_mac1);
  43}
  44