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
  68 config BOOTCOUNT_AT91
  69         bool "Boot counter for Atmel AT91SAM9XE"
  70         depends on AT91SAM9XE
  71
  72 endchoice
  73
  74 config BOOTCOUNT_ALEN
  75         int "I2C address length"
  76         default 1
  77         depends on BOOTCOUNT_I2C
  78         help
  79           Length of the the I2C address at SYS_BOOTCOUNT_ADDR for storing
  80           the boot counter.
  81
  82 config SYS_BOOTCOUNT_SINGLEWORD
  83         bool "Use single word to pack boot count and magic value"
  84         depends on BOOTCOUNT_GENERIC
  85         help
  86           This option enables packing boot count magic value and boot count
  87           into single word (32 bits).
  88
  89 config SYS_BOOTCOUNT_EXT_INTERFACE
  90         string "Interface on which to find boot counter EXT filesystem"
  91         default "mmc"
  92         depends on BOOTCOUNT_EXT
  93         help
  94           Set the interface to use when locating the filesystem to use for the
  95           boot counter.
  96
  97 config SYS_BOOTCOUNT_EXT_DEVPART
  98         string "Partition of the boot counter EXT filesystem"
  99         default "0:1"
 100         depends on BOOTCOUNT_EXT
 101         help
 102           Set the partition to use when locating the filesystem to use for the
 103           boot counter.
 104
 105 config SYS_BOOTCOUNT_EXT_NAME
 106         string "Path and filename of the EXT filesystem based boot counter"
 107         default "/boot/failures"
 108         depends on BOOTCOUNT_EXT
 109         help
 110           Set the filename and path of the file used to store the boot counter.
 111
 112 config SYS_BOOTCOUNT_ADDR
 113         hex "RAM address used for reading and writing the boot counter"
 114         default 0x7000A000
 115         depends on BOOTCOUNT_EXT
 116         help
 117           Set the address used for reading and writing the boot counter.
 118
 119 endif