init.c 2.4 KB

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  1. /*
  2. * Copyright 2001 MontaVista Software Inc.
  3. * Author: MontaVista Software, Inc.
  4. * ahennessy@mvista.com
  5. *
  6. * arch/mips/jmr3927/common/init.c
  7. *
  8. * Copyright (C) 2000-2001 Toshiba Corporation
  9. *
  10. * This program is free software; you can redistribute it and/or modify it
  11. * under the terms of the GNU General Public License as published by the
  12. * Free Software Foundation; either version 2 of the License, or (at your
  13. * option) any later version.
  14. *
  15. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  16. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  17. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  18. * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  21. * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  22. * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25. *
  26. * You should have received a copy of the GNU General Public License along
  27. * with this program; if not, write to the Free Software Foundation, Inc.,
  28. * 675 Mass Ave, Cambridge, MA 02139, USA.
  29. */
  30. #include <linux/init.h>
  31. #include <linux/mm.h>
  32. #include <linux/sched.h>
  33. #include <linux/bootmem.h>
  34. #include <asm/addrspace.h>
  35. #include <asm/bootinfo.h>
  36. #include <asm/mipsregs.h>
  37. #include <asm/jmr3927/jmr3927.h>
  38. int prom_argc;
  39. char **prom_argv, **prom_envp;
  40. extern void __init prom_init_cmdline(void);
  41. extern char *prom_getenv(char *envname);
  42. unsigned long mips_nofpu = 0;
  43. const char *get_system_type(void)
  44. {
  45. return "Toshiba"
  46. #ifdef CONFIG_TOSHIBA_JMR3927
  47. " JMR_TX3927"
  48. #endif
  49. ;
  50. }
  51. extern void puts(unsigned char *cp);
  52. void __init prom_init(void)
  53. {
  54. #ifdef CONFIG_TOSHIBA_JMR3927
  55. /* CCFG */
  56. if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
  57. puts("Warning: TX3927 TLB off\n");
  58. #endif
  59. prom_argc = fw_arg0;
  60. prom_argv = (char **) fw_arg1;
  61. prom_envp = (char **) fw_arg2;
  62. mips_machgroup = MACH_GROUP_TOSHIBA;
  63. #ifdef CONFIG_TOSHIBA_JMR3927
  64. mips_machtype = MACH_TOSHIBA_JMR3927;
  65. #endif
  66. prom_init_cmdline();
  67. add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM);
  68. }