drivers/bootcount/Kconfig

   1 #
   2 # Boot count configuration
   3 #
   4
   5 menuconfig BOOTCOUNT_LIMIT
   6         bool "Enable support for checking boot count limit"
   7         help
   8           Enable checking for exceeding the boot count limit.
   9           More information: http://www.denx.de/wiki/DULG/UBootBootCountLimit
  10
  11 if BOOTCOUNT_LIMIT
  12
  13 choice
  14         prompt "Boot count device"
  15         default BOOTCOUNT_AM33XX if AM33XX || SOC_DA8XX
  16         default BOOTCOUNT_AT91 if AT91SAM9XE
  17         default BOOTCOUNT_GENERIC
  18
  19 config BOOTCOUNT_GENERIC
  20         bool "Generic default boot counter"
  21         help
  22           Generic bootcount stored at SYS_BOOTCOUNT_ADDR.
  23
  24           SYS_BOOTCOUNT_ADDR:
  25             Set to the address where the bootcount and bootcount magic
  26             will be stored.
  27
  28 config BOOTCOUNT_EXT
  29         bool "Boot counter on EXT filesystem"
  30         help
  31           Add support for maintaining boot count in a file on an EXT
  32           filesystem.
  33
  34 config BOOTCOUNT_AM33XX
  35         bool "Boot counter in AM33XX RTC IP block"
  36         depends on AM33XX || SOC_DA8XX
  37         help
  38           A bootcount driver for the RTC IP block found on many TI platforms.
  39           This requires the RTC clocks, etc, to be enabled prior to use and
  40           not all boards with this IP block on it will have the RTC in use.
  41
  42 config BOOTCOUNT_ENV
  43         bool "Boot counter in environment"
  44         help
  45           If no softreset save registers are found on the hardware
  46           "bootcount" is stored in the environment. To prevent a
  47           saveenv on all reboots, the environment variable
  48           "upgrade_available" is used. If "upgrade_available" is
  49           0, "bootcount" is always 0, if "upgrade_available" is
  50           1 "bootcount" is incremented in the environment.
  51           So the Userspace Application must set the "upgrade_available"
  52           and "bootcount" variable to 0, if a boot was successfully.
  53
  54 config BOOTCOUNT_RAM
  55         bool "Boot counter in RAM"
  56         help
  57           Store the bootcount in DRAM protected against against bit errors
  58           due to short power loss or holding a system in RESET.
  59
  60 config BOOTCOUNT_I2C
  61         bool "Boot counter on I2C device"
  62         help
  63           Enable support for the bootcounter on an i2c (like RTC) device.
  64           CONFIG_SYS_I2C_RTC_ADDR = i2c chip address
  65           CONFIG_SYS_BOOTCOUNT_ADDR = i2c addr which is used for
  66                                       the bootcounter.
  67           CONFIG_BOOTCOUNT_ALEN = address len
  68
  69 config BOOTCOUNT_AT91
  70         bool "Boot counter for Atmel AT91SAM9XE"
  71         depends on AT91SAM9XE
  72
  73 endchoice
  74
  75 config SYS_BOOTCOUNT_SINGLEWORD
  76         bool "Use single word to pack boot count and magic value"
  77         depends on BOOTCOUNT_GENERIC
  78         help
  79           This option enables packing boot count magic value and boot count
  80           into single word (32 bits).
  81
  82 config SYS_BOOTCOUNT_EXT_INTERFACE
  83         string "Interface on which to find boot counter EXT filesystem"
  84         default "mmc"
  85         depends on BOOTCOUNT_EXT
  86         help
  87           Set the interface to use when locating the filesystem to use for the
  88           boot counter.
  89
  90 config SYS_BOOTCOUNT_EXT_DEVPART
  91         string "Partition of the boot counter EXT filesystem"
  92         default "0:1"
  93         depends on BOOTCOUNT_EXT
  94         help
  95           Set the partition to use when locating the filesystem to use for the
  96           boot counter.
  97
  98 config SYS_BOOTCOUNT_EXT_NAME
  99         string "Path and filename of the EXT filesystem based boot counter"
 100         default "/boot/failures"
 101         depends on BOOTCOUNT_EXT
 102         help
 103           Set the filename and path of the file used to store the boot counter.
 104
 105 config SYS_BOOTCOUNT_ADDR
 106         hex "RAM address used for reading and writing the boot counter"
 107         default 0x7000A000
 108         depends on BOOTCOUNT_EXT
 109         help
 110           Set the address used for reading and writing the boot counter.
 111
 112 endif