arch/powerpc/boot/holly.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright 2007 IBM Corporation
   4  *
   5  * Stephen Winiecki <stevewin@us.ibm.com>
   6  * Josh Boyer <jwboyer@linux.vnet.ibm.com>
   7  *
   8  * Based on earlier code:
   9  * Copyright (C) Paul Mackerras 1997.
  10  */
  11 #include <stdarg.h>
  12 #include <stddef.h>
  13 #include "types.h"
  14 #include "elf.h"
  15 #include "string.h"
  16 #include "stdio.h"
  17 #include "page.h"
  18 #include "ops.h"
  19 #include "io.h"
  20
  21 BSS_STACK(4096);
  22
  23 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5)
  24 {
  25         u32 heapsize = 0x8000000 - (u32)_end; /* 128M */
  26
  27         simple_alloc_init(_end, heapsize, 32, 64);
  28         fdt_init(_dtb_start);
  29         serial_console_init();
  30 }