arch/mips/philips/pnx8550/jbs/init.c

   1 /*
   2  *
   3  *  Copyright 2005 Embedded Alley Solutions, Inc
   4  *  source@embeddedalley.com
   5  *
   6  *  This program is free software; you can redistribute  it and/or modify it
   7  *  under  the terms of  the GNU General  Public License as published by the
   8  *  Free Software Foundation;  either version 2 of the  License, or (at your
   9  *  option) any later version.
  10  *
  11  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
  12  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
  13  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
  14  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
  15  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  16  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
  17  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  18  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
  19  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  20  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  21  *
  22  *  You should have received a copy of the  GNU General Public License along
  23  *  with this program; if not, write  to the Free Software Foundation, Inc.,
  24  *  675 Mass Ave, Cambridge, MA 02139, USA.
  25  */
  26
  27 #include <linux/init.h>
  28 #include <linux/mm.h>
  29 #include <linux/sched.h>
  30 #include <linux/bootmem.h>
  31 #include <asm/addrspace.h>
  32 #include <asm/bootinfo.h>
  33 #include <linux/string.h>
  34 #include <linux/kernel.h>
  35
  36 int prom_argc;
  37 char **prom_argv, **prom_envp;
  38 extern void  __init prom_init_cmdline(void);
  39 extern char *prom_getenv(char *envname);
  40
  41 const char *get_system_type(void)
  42 {
  43         return "Philips PNX8550/JBS";
  44 }
  45
  46 void __init prom_init(void)
  47 {
  48
  49         unsigned long memsize;
  50
  51         mips_machtype = MACH_PHILIPS_JBS;
  52
  53         //memsize = 0x02800000; /* Trimedia uses memory above */
  54         memsize = 0x08000000; /* Trimedia uses memory above */
  55         add_memory_region(0, memsize, BOOT_MEM_RAM);
  56 }