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
  17 BSS_STACK(4096);
  18
  19 #define PIBS_MAC0 0xfffc0400
  20 #define PIBS_MAC1 0xfffc0500
  21 char pibs_mac0[6];
  22 char pibs_mac1[6];
  23
  24 static 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
  35 void 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 }