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drivers
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mailbox
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Kconfig

Kconfig 2.1 KB
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  1. menuconfig MAILBOX
    2. 

  2. 	bool "Mailbox Hardware Support"
    3. 

  3. 	help
    4. 

  4. 	  Mailbox is a framework to control hardware communication between
    5. 

  5. 	  on-chip processors through queued messages and interrupt driven
    6. 

  6. 	  signals. Say Y if your platform supports hardware mailboxes.
    7. 

  7. 

  8. if MAILBOX
    9. 

  9. 

  10. config ARM_MHU
    11. 

  11. 	tristate "ARM MHU Mailbox"
    12. 

  12. 	depends on ARM_AMBA
    13. 

  13. 	help
    14. 

  14. 	  Say Y here if you want to build the ARM MHU controller driver.
    15. 

  15. 	  The controller has 3 mailbox channels, the last of which can be
    16. 

  16. 	  used in Secure mode only.
    17. 

  17. 

  18. config PL320_MBOX
    19. 

  19. 	bool "ARM PL320 Mailbox"
    20. 

  20. 	depends on ARM_AMBA
    21. 

  21. 	help
    22. 

  22. 	  An implementation of the ARM PL320 Interprocessor Communication
    23. 

  23. 	  Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
    24. 

  24. 	  send short messages between Highbank's A9 cores and the EnergyCore
    25. 

  25. 	  Management Engine, primarily for cpufreq. Say Y here if you want
    26. 

  26. 	  to use the PL320 IPCM support.
    27. 

  27. 

  28. config OMAP2PLUS_MBOX
    29. 

  29. 	tristate "OMAP2+ Mailbox framework support"
    30. 

  30. 	depends on ARCH_OMAP2PLUS
    31. 

  31. 	help
    32. 

  32. 	  Mailbox implementation for OMAP family chips with hardware for
    33. 

  33. 	  interprocessor communication involving DSP, IVA1.0 and IVA2 in
    34. 

  34. 	  OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
    35. 

  35. 	  want to use OMAP2+ Mailbox framework support.
    36. 

  36. 

  37. config OMAP_MBOX_KFIFO_SIZE
    38. 

  38. 	int "Mailbox kfifo default buffer size (bytes)"
    39. 

  39. 	depends on OMAP2PLUS_MBOX
    40. 

  40. 	default 256
    41. 

  41. 	help
    42. 

  42. 	  Specify the default size of mailbox's kfifo buffers (bytes).
    43. 

  43. 	  This can also be changed at runtime (via the mbox_kfifo_size
    44. 

  44. 	  module parameter).
    45. 

  45. 

  46. config PCC
    47. 

  47. 	bool "Platform Communication Channel Driver"
    48. 

  48. 	depends on ACPI
    49. 

  49. 	help
    50. 

  50. 	  ACPI 5.0+ spec defines a generic mode of communication
    51. 

  51. 	  between the OS and a platform such as the BMC. This medium
    52. 

  52. 	  (PCC) is typically used by CPPC (ACPI CPU Performance management),
    53. 

  53. 	  RAS (ACPI reliability protocol) and MPST (ACPI Memory power
    54. 

  54. 	  states). Select this driver if your platform implements the
    55. 

  55. 	  PCC clients mentioned above.
    56. 

  56. 

  57. config ALTERA_MBOX
    58. 

  58. 	tristate "Altera Mailbox"
    59. 

  59. 	help
    60. 

  60. 	  An implementation of the Altera Mailbox soft core. It is used
    61. 

  61. 	  to send message between processors. Say Y here if you want to use the
    62. 

  62. 	  Altera mailbox support.
    63. 

  63. endif
    64.