common.h 2.7 KB

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  1. /*
  2. * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
  3. * reserved.
  4. *
  5. * This software is available to you under a choice of one of two
  6. * licenses. You may choose to be licensed under the terms of the GNU
  7. * General Public License (GPL) Version 2, available from the file
  8. * COPYING in the main directory of this source tree, or the NetLogic
  9. * license below:
  10. *
  11. * Redistribution and use in source and binary forms, with or without
  12. * modification, are permitted provided that the following conditions
  13. * are met:
  14. *
  15. * 1. Redistributions of source code must retain the above copyright
  16. * notice, this list of conditions and the following disclaimer.
  17. * 2. Redistributions in binary form must reproduce the above copyright
  18. * notice, this list of conditions and the following disclaimer in
  19. * the documentation and/or other materials provided with the
  20. * distribution.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
  23. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  24. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25. * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
  26. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  29. * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  30. * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  31. * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  32. * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33. */
  34. #ifndef _NETLOGIC_COMMON_H_
  35. #define _NETLOGIC_COMMON_H_
  36. /*
  37. * Common SMP definitions
  38. */
  39. #define RESET_VEC_PHYS 0x1fc00000
  40. #define RESET_DATA_PHYS (RESET_VEC_PHYS + (1<<10))
  41. #define BOOT_THREAD_MODE 0
  42. #define BOOT_NMI_LOCK 4
  43. #define BOOT_NMI_HANDLER 8
  44. #ifndef __ASSEMBLY__
  45. struct irq_desc;
  46. extern struct plat_smp_ops nlm_smp_ops;
  47. extern char nlm_reset_entry[], nlm_reset_entry_end[];
  48. void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc);
  49. void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc);
  50. void nlm_smp_irq_init(void);
  51. void nlm_boot_secondary_cpus(void);
  52. int nlm_wakeup_secondary_cpus(u32 wakeup_mask);
  53. void nlm_rmiboot_preboot(void);
  54. static inline void
  55. nlm_set_nmi_handler(void *handler)
  56. {
  57. char *reset_data;
  58. reset_data = (char *)CKSEG1ADDR(RESET_DATA_PHYS);
  59. *(int64_t *)(reset_data + BOOT_NMI_HANDLER) = (long)handler;
  60. }
  61. /*
  62. * Misc.
  63. */
  64. unsigned int nlm_get_cpu_frequency(void);
  65. extern unsigned long nlm_common_ebase;
  66. extern int nlm_threads_per_core;
  67. extern uint32_t nlm_cpumask, nlm_coremask;
  68. #endif
  69. #endif /* _NETLOGIC_COMMON_H_ */