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 83if DM_BOOTCOUNT 84 85menu "Backing stores for device-model backed bootcount" 86config DM_BOOTCOUNT_RTC 87 bool "Support RTC devices as a backing store for bootcount" 88 depends on DM_RTC 89 help 90 Enabled reading/writing the bootcount in a DM RTC device. 91 The wrapper device is to be specified with the compatible string 92 'u-boot,bootcount-rtc' and the 'rtc'-property (a phandle pointing 93 to the underlying RTC device) and an optional 'offset' property 94 are supported. 95 96 Accesses to the backing store are performed using the write16 97 and read16 ops of DM RTC devices. 98 99endmenu 100 101endif 102 103config BOOTCOUNT_BOOTLIMIT 104 int "Maximum number of reboot cycles allowed" 105 default 0 106 help 107 Set the Maximum number of reboot cycles allowed without the boot 108 counter being cleared. 109 If set to 0 do not set a boot limit in the environment. 110 111config BOOTCOUNT_ALEN 112 int "I2C address length" 113 default 1 114 depends on BOOTCOUNT_I2C 115 help 116 Length of the the I2C address at SYS_BOOTCOUNT_ADDR for storing 117 the boot counter. 118 119config SYS_BOOTCOUNT_SINGLEWORD 120 bool "Use single word to pack boot count and magic value" 121 depends on BOOTCOUNT_GENERIC 122 help 123 This option enables packing boot count magic value and boot count 124 into single word (32 bits). 125 126config SYS_BOOTCOUNT_EXT_INTERFACE 127 string "Interface on which to find boot counter EXT filesystem" 128 default "mmc" 129 depends on BOOTCOUNT_EXT 130 help 131 Set the interface to use when locating the filesystem to use for the 132 boot counter. 133 134config SYS_BOOTCOUNT_EXT_DEVPART 135 string "Partition of the boot counter EXT filesystem" 136 default "0:1" 137 depends on BOOTCOUNT_EXT 138 help 139 Set the partition to use when locating the filesystem to use for the 140 boot counter. 141 142config SYS_BOOTCOUNT_EXT_NAME 143 string "Path and filename of the EXT filesystem based boot counter" 144 default "/boot/failures" 145 depends on BOOTCOUNT_EXT 146 help 147 Set the filename and path of the file used to store the boot counter. 148 149config SYS_BOOTCOUNT_ADDR 150 hex "RAM address used for reading and writing the boot counter" 151 default 0x44E3E000 if BOOTCOUNT_AM33XX 152 default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A 153 depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \ 154 BOOTCOUNT_I2C 155 help 156 Set the address used for reading and writing the boot counter. 157 158config SYS_BOOTCOUNT_MAGIC 159 hex "Magic value for the boot counter" 160 default 0xB001C041 161 help 162 Set the magic value used for the boot counter. 163 164endif 165