init.c 2.0 KB

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  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. #include <linux/init.h>
  27. #include <linux/mm.h>
  28. #include <linux/sched.h>
  29. #include <linux/bootmem.h>
  30. #include <asm/addrspace.h>
  31. #include <asm/bootinfo.h>
  32. #include <linux/string.h>
  33. #include <linux/kernel.h>
  34. int prom_argc;
  35. char **prom_argv, **prom_envp;
  36. extern void __init prom_init_cmdline(void);
  37. extern char *prom_getenv(char *envname);
  38. const char *get_system_type(void)
  39. {
  40. return "Philips PNX8550/JBS";
  41. }
  42. void __init prom_init(void)
  43. {
  44. unsigned long memsize;
  45. mips_machgroup = MACH_GROUP_PHILIPS;
  46. mips_machtype = MACH_PHILIPS_JBS;
  47. //memsize = 0x02800000; /* Trimedia uses memory above */
  48. memsize = 0x08000000; /* Trimedia uses memory above */
  49. add_memory_region(0, memsize, BOOT_MEM_RAM);
  50. }