1# 2# Boot count configuration 3# 4 5menuconfig 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 11if BOOTCOUNT_LIMIT 12 13choice 14 prompt "Boot count device" 15 default BOOTCOUNT_AM33XX if AM33XX || SOC_DA8XX 16 default BOOTCOUNT_AT91 if AT91SAM9XE 17 default BOOTCOUNT_GENERIC 18 19config 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 28config 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 34config BOOTCOUNT_AM33XX 35 bool "Boot counter in AM33XX RTC IP block" 36 depends on AM33XX || SOC_DA8XX 37 select SPL_AM33XX_ENABLE_RTC32K_OSC if AM33XX 38 help 39 A bootcount driver for the RTC IP block found on many TI platforms. 40 This requires the RTC clocks, etc, to be enabled prior to use and 41 not all boards with this IP block on it will have the RTC in use. 42 43config BOOTCOUNT_ENV 44 bool "Boot counter in environment" 45 help 46 If no softreset save registers are found on the hardware 47 "bootcount" is stored in the environment. To prevent a 48 saveenv on all reboots, the environment variable 49 "upgrade_available" is used. If "upgrade_available" is 50 0, "bootcount" is always 0, if "upgrade_available" is 51 1 "bootcount" is incremented in the environment. 52 So the Userspace Application must set the "upgrade_available" 53 and "bootcount" variable to 0, if a boot was successfully. 54 55config BOOTCOUNT_RAM 56 bool "Boot counter in RAM" 57 help 58 Store the bootcount in DRAM protected against against bit errors 59 due to short power loss or holding a system in RESET. 60 61config BOOTCOUNT_I2C 62 bool "Boot counter on I2C device" 63 help 64 Enable support for the bootcounter on an i2c (like RTC) device. 65 CONFIG_SYS_I2C_RTC_ADDR = i2c chip address 66 CONFIG_SYS_BOOTCOUNT_ADDR = i2c addr which is used for 67 the bootcounter. 68 69config BOOTCOUNT_AT91 70 bool "Boot counter for Atmel AT91SAM9XE" 71 depends on AT91SAM9XE 72 73config DM_BOOTCOUNT 74 bool "Boot counter in a device-model device" 75 help 76 Enables reading/writing the bootcount in a device-model based 77 backing store. If an entry in /chosen/u-boot,bootcount-device 78 exists, this will be the preferred bootcount device; otherwise 79 the first available bootcount device will be used. 80 81endchoice 82 83config BOOTCOUNT_BOOTLIMIT 84 int "Maximum number of reboot cycles allowed" 85 default 0 86 help 87 Set the Maximum number of reboot cycles allowed without the boot 88 counter being cleared. 89 If set to 0 do not set a boot limit in the environment. 90 91config BOOTCOUNT_ALEN 92 int "I2C address length" 93 default 1 94 depends on BOOTCOUNT_I2C 95 help 96 Length of the the I2C address at SYS_BOOTCOUNT_ADDR for storing 97 the boot counter. 98 99config SYS_BOOTCOUNT_SINGLEWORD 100 bool "Use single word to pack boot count and magic value" 101 depends on BOOTCOUNT_GENERIC 102 help 103 This option enables packing boot count magic value and boot count 104 into single word (32 bits). 105 106config SYS_BOOTCOUNT_EXT_INTERFACE 107 string "Interface on which to find boot counter EXT filesystem" 108 default "mmc" 109 depends on BOOTCOUNT_EXT 110 help 111 Set the interface to use when locating the filesystem to use for the 112 boot counter. 113 114config SYS_BOOTCOUNT_EXT_DEVPART 115 string "Partition of the boot counter EXT filesystem" 116 default "0:1" 117 depends on BOOTCOUNT_EXT 118 help 119 Set the partition to use when locating the filesystem to use for the 120 boot counter. 121 122config SYS_BOOTCOUNT_EXT_NAME 123 string "Path and filename of the EXT filesystem based boot counter" 124 default "/boot/failures" 125 depends on BOOTCOUNT_EXT 126 help 127 Set the filename and path of the file used to store the boot counter. 128 129config SYS_BOOTCOUNT_ADDR 130 hex "RAM address used for reading and writing the boot counter" 131 default 0x44E3E000 if BOOTCOUNT_AM33XX 132 default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A 133 depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \ 134 BOOTCOUNT_I2C 135 help 136 Set the address used for reading and writing the boot counter. 137 138config SYS_BOOTCOUNT_MAGIC 139 hex "Magic value for the boot counter" 140 default 0xB001C041 141 help 142 Set the magic value used for the boot counter. 143 144endif 145