arch/mips/hp-lj/init.c

   1 /*
   2  * init.c: PROM library initialisation code.
   3  *
   4  * Copyright (C) 1998 Gleb Raiko & Vladimir Roganov
   5  */
   6
   7 #include <linux/mm.h>
   8 #include <asm/bootinfo.h>
   9 #include <asm/addrspace.h>
  10 #include <asm/hp-lj/asic.h>
  11 #include <linux/bootmem.h>
  12
  13 #include "utils.h"
  14
  15
  16 #define Delimiter "CMDLINE="
  17 const char CommandLine[] = Delimiter
  18   "root=/dev/hda3                                                                                                                                                                                                                                            ";
  19
  20 void __init prom_init(void)
  21 {
  22         ulong mem_size = get_mem_avail();
  23         int reserve_size = 0;
  24
  25         printk("Total Memory: %ld bytes\n", mem_size);
  26
  27         reserve_buffer(CommandLine, mem_size);
  28
  29         reserve_size = get_reserved_buffer_size();
  30         mem_size -= reserve_size;
  31
  32         add_memory_region(0x0,mem_size, BOOT_MEM_RAM);
  33         add_memory_region(mem_size,reserve_size, BOOT_MEM_RESERVED);
  34
  35         printk("Main Memory: %ld bytes\n", mem_size);
  36         printk("Reserved Memory: %ld bytes at 0x%08x\n",
  37                 get_reserved_buffer_size(), (ulong)get_reserved_buffer());
  38
  39         printk("Detected %s ASIC\n", GetAsicName());
  40         mips_machgroup  = MACH_GROUP_HP_LJ;
  41         mips_machtype   = MACH_UNKNOWN;
  42
  43         strcpy(arcs_cmdline, CommandLine+strlen(Delimiter));
  44 }
  45
  46
  47 unsigned long __init prom_free_prom_memory(void)
  48 {
  49         return 0;
  50 }