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 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 43 config 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 55 config 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 61 config 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 69 config BOOTCOUNT_AT91 70 bool "Boot counter for Atmel AT91SAM9XE" 71 depends on AT91SAM9XE 72 73 endchoice 74 75 config BOOTCOUNT_ALEN 76 int "I2C address length" 77 default 1 78 depends on BOOTCOUNT_I2C 79 help 80 Length of the the I2C address at SYS_BOOTCOUNT_ADDR for storing 81 the boot counter. 82 83 config SYS_BOOTCOUNT_SINGLEWORD 84 bool "Use single word to pack boot count and magic value" 85 depends on BOOTCOUNT_GENERIC 86 help 87 This option enables packing boot count magic value and boot count 88 into single word (32 bits). 89 90 config SYS_BOOTCOUNT_EXT_INTERFACE 91 string "Interface on which to find boot counter EXT filesystem" 92 default "mmc" 93 depends on BOOTCOUNT_EXT 94 help 95 Set the interface to use when locating the filesystem to use for the 96 boot counter. 97 98 config SYS_BOOTCOUNT_EXT_DEVPART 99 string "Partition of the boot counter EXT filesystem" 100 default "0:1" 101 depends on BOOTCOUNT_EXT 102 help 103 Set the partition to use when locating the filesystem to use for the 104 boot counter. 105 106 config SYS_BOOTCOUNT_EXT_NAME 107 string "Path and filename of the EXT filesystem based boot counter" 108 default "/boot/failures" 109 depends on BOOTCOUNT_EXT 110 help 111 Set the filename and path of the file used to store the boot counter. 112 113 config SYS_BOOTCOUNT_ADDR 114 hex "RAM address used for reading and writing the boot counter" 115 default 0x44E3E000 if BOOTCOUNT_AM33XX 116 default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A 117 depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \ 118 BOOTCOUNT_I2C 119 help 120 Set the address used for reading and writing the boot counter. 121 122 endif 123
