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

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright IBM Corporation, 2007
   4 * Josh Boyer <jwboyer@linux.vnet.ibm.com>
   5 *
   6 * Based on ebony wrapper:
   7 * Copyright 2007 David Gibson, IBM Corporation.
   8 */
   9#include "ops.h"
  10#include "stdio.h"
  11#include "44x.h"
  12#include "stdlib.h"
  13
  14BSS_STACK(4096);
  15
  16#define PIBS_MAC0 0xfffc0400
  17#define PIBS_MAC1 0xfffc0500
  18char pibs_mac0[6];
  19char pibs_mac1[6];
  20
  21static void read_pibs_mac(void)
  22{
  23        unsigned long long mac64;
  24
  25        mac64 = strtoull((char *)PIBS_MAC0, 0, 16);
  26        memcpy(&pibs_mac0, (char *)&mac64+2, 6);
  27
  28        mac64 = strtoull((char *)PIBS_MAC1, 0, 16);
  29        memcpy(&pibs_mac1, (char *)&mac64+2, 6);
  30}
  31
  32void platform_init(void)
  33{
  34        unsigned long end_of_ram = 0x8000000;
  35        unsigned long avail_ram = end_of_ram - (unsigned long)_end;
  36
  37        simple_alloc_init(_end, avail_ram, 32, 64);
  38        read_pibs_mac();
  39        bamboo_init((u8 *)&pibs_mac0, (u8 *)&pibs_mac1);
  40}
  41