setup.c 1.8 KB

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  1. /*
  2. *
  3. * arch/xtensa/platform-iss/setup.c
  4. *
  5. * Platform specific initialization.
  6. *
  7. * Authors: Chris Zankel <chris@zankel.net>
  8. * Joe Taylor <joe@tensilica.com>
  9. *
  10. * Copyright 2001 - 2005 Tensilica Inc.
  11. *
  12. * This program is free software; you can redistribute it and/or modify it
  13. * under the terms of the GNU General Public License as published by the
  14. * Free Software Foundation; either version 2 of the License, or (at your
  15. * option) any later version.
  16. *
  17. */
  18. #include <linux/stddef.h>
  19. #include <linux/kernel.h>
  20. #include <linux/init.h>
  21. #include <linux/errno.h>
  22. #include <linux/reboot.h>
  23. #include <linux/kdev_t.h>
  24. #include <linux/types.h>
  25. #include <linux/major.h>
  26. #include <linux/blkdev.h>
  27. #include <linux/console.h>
  28. #include <linux/delay.h>
  29. #include <linux/stringify.h>
  30. #include <linux/notifier.h>
  31. #include <asm/platform.h>
  32. #include <asm/bootparam.h>
  33. #include <platform/simcall.h>
  34. void __init platform_init(bp_tag_t* bootparam)
  35. {
  36. }
  37. void platform_halt(void)
  38. {
  39. pr_info(" ** Called platform_halt() **\n");
  40. simc_exit(0);
  41. }
  42. void platform_power_off(void)
  43. {
  44. pr_info(" ** Called platform_power_off() **\n");
  45. simc_exit(0);
  46. }
  47. void platform_restart(void)
  48. {
  49. /* Flush and reset the mmu, simulate a processor reset, and
  50. * jump to the reset vector. */
  51. cpu_reset();
  52. /* control never gets here */
  53. }
  54. extern void iss_net_poll(void);
  55. const char twirl[]="|/-\\|/-\\";
  56. void platform_heartbeat(void)
  57. {
  58. #if 0
  59. static int i = 0, j = 0;
  60. if (--i < 0) {
  61. i = 99;
  62. printk("\r%c\r", twirl[j++]);
  63. if (j == 8)
  64. j = 0;
  65. }
  66. #endif
  67. }
  68. static int
  69. iss_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
  70. {
  71. simc_exit(1);
  72. return NOTIFY_DONE;
  73. }
  74. static struct notifier_block iss_panic_block = {
  75. iss_panic_event,
  76. NULL,
  77. 0
  78. };
  79. void __init platform_setup(char **p_cmdline)
  80. {
  81. atomic_notifier_chain_register(&panic_notifier_list, &iss_panic_block);
  82. }