/arch/mips/alchemy/xxs1500/init.c

https://bitbucket.org/cresqo/cm7-p500-kernel · C · 64 lines · 28 code · 9 blank · 27 comment · 1 complexity · 71d8ef4612975323b5ba61a7c47cab42 MD5 · raw file

  1. /*
  2. * BRIEF MODULE DESCRIPTION
  3. * XXS1500 board setup
  4. *
  5. * Copyright 2003, 2008 MontaVista Software Inc.
  6. * Author: MontaVista Software, Inc. <source@mvista.com>
  7. *
  8. * This program is free software; you can redistribute it and/or modify it
  9. * under the terms of the GNU General Public License as published by the
  10. * Free Software Foundation; either version 2 of the License, or (at your
  11. * option) any later version.
  12. *
  13. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  14. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  15. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  16. * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  19. * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  20. * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23. *
  24. * You should have received a copy of the GNU General Public License along
  25. * with this program; if not, write to the Free Software Foundation, Inc.,
  26. * 675 Mass Ave, Cambridge, MA 02139, USA.
  27. */
  28. #include <linux/init.h>
  29. #include <linux/kernel.h>
  30. #include <asm/bootinfo.h>
  31. #include <asm/mach-au1x00/au1000.h>
  32. #include <prom.h>
  33. const char *get_system_type(void)
  34. {
  35. return "XXS1500";
  36. }
  37. void __init prom_init(void)
  38. {
  39. unsigned char *memsize_str;
  40. unsigned long memsize;
  41. prom_argc = fw_arg0;
  42. prom_argv = (char **)fw_arg1;
  43. prom_envp = (char **)fw_arg2;
  44. prom_init_cmdline();
  45. memsize_str = prom_getenv("memsize");
  46. if (!memsize_str)
  47. memsize = 0x04000000;
  48. else
  49. strict_strtoul(memsize_str, 0, &memsize);
  50. add_memory_region(0, memsize, BOOT_MEM_RAM);
  51. }
  52. void prom_putchar(unsigned char c)
  53. {
  54. alchemy_uart_putchar(UART0_PHYS_ADDR, c);
  55. }