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 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 42config 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 54config 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 60config 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 68config BOOTCOUNT_AT91 69 bool "Boot counter for Atmel AT91SAM9XE" 70 depends on AT91SAM9XE 71 72endchoice 73 74config 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 82config 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 89config 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 97config 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 105config 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 112config SYS_BOOTCOUNT_ADDR 113 hex "RAM address used for reading and writing the boot counter" 114 default 0x44E3E000 if BOOTCOUNT_AM33XX 115 default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A 116 depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \ 117 BOOTCOUNT_I2C 118 help 119 Set the address used for reading and writing the boot counter. 120 121endif 122