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 depends on FS_EXT4 31 select EXT4_WRITE 32 help 33 Add support for maintaining boot count in a file on an EXT 34 filesystem. 35 36config BOOTCOUNT_AM33XX 37 bool "Boot counter in AM33XX RTC IP block" 38 depends on AM33XX || SOC_DA8XX 39 select SPL_AM33XX_ENABLE_RTC32K_OSC if AM33XX 40 help 41 A bootcount driver for the RTC IP block found on many TI platforms. 42 This requires the RTC clocks, etc, to be enabled prior to use and 43 not all boards with this IP block on it will have the RTC in use. 44 45config BOOTCOUNT_AM33XX_NVMEM 46 bool "Boot counter in AM33XX RTC IP block with upgrade_available flag" 47 depends on AM33XX 48 select SPL_AM33XX_ENABLE_RTC32K_OSC if AM33XX 49 help 50 Add support for maintaining bootcount,upgrade_available, 51 version and BOOTMAGIC in a AM33xx RTC IP block 52 scratch register2. 53 54 A bootcount driver for the RTC IP block found on many TI platforms. 55 This requires the RTC clocks, etc, to be enabled prior to use and 56 not all boards with this IP block on it will have the RTC in use. 57 58 If there is upgrade in software then "upgrade_available" is 1, 59 "bootcount" is incremented otherwise "upgrade_available" and 60 "bootcount" is always 0. So the Userspace Application must set 61 the "upgrade_available" and "bootcount" variable to 0, if a boot 62 was successfully. 63 64config BOOTCOUNT_ENV 65 bool "Boot counter in environment" 66 help 67 If no softreset save registers are found on the hardware 68 "bootcount" is stored in the environment. To prevent a 69 saveenv on all reboots, the environment variable 70 "upgrade_available" is used. If "upgrade_available" is 71 0, "bootcount" is always 0. If "upgrade_available" is 1, 72 "bootcount" is incremented in the environment. 73 So the Userspace Application must set the "upgrade_available" 74 and "bootcount" variables to 0, if the system booted successfully. 75 76config BOOTCOUNT_RAM 77 bool "Boot counter in RAM" 78 help 79 Store the bootcount in DRAM protected against bit errors 80 due to short power loss or holding a system in RESET. 81 82config BOOTCOUNT_AT91 83 bool "Boot counter for Atmel AT91SAM9XE" 84 depends on AT91SAM9XE 85 86config DM_BOOTCOUNT 87 bool "Boot counter in a device-model device" 88 help 89 Enables reading/writing the bootcount in a device-model based 90 backing store. If an entry in /chosen/u-boot,bootcount-device 91 exists, this will be the preferred bootcount device; otherwise 92 the first available bootcount device will be used. 93 94endchoice 95 96if DM_BOOTCOUNT 97 98menu "Backing stores for device-model backed bootcount" 99config DM_BOOTCOUNT_RTC 100 bool "Support RTC devices as a backing store for bootcount" 101 depends on DM_RTC 102 help 103 Enabled reading/writing the bootcount in a DM RTC device. 104 The wrapper device is to be specified with the compatible string 105 'u-boot,bootcount-rtc' and the 'rtc'-property (a phandle pointing 106 to the underlying RTC device) and an optional 'offset' property 107 are supported. 108 109 Accesses to the backing store are performed using the write16 110 and read16 ops of DM RTC devices. 111 112config DM_BOOTCOUNT_I2C 113 bool "Driver Model boot counter on I2C device" 114 depends on DM_I2C 115 help 116 Enable support for the bootcounter on a generic i2c device, like a RTC 117 or PMIC. The bootcounter is configured in the device tree using the 118 "u-boot,bootcount-i2c" compatible string. It requires a phandle 119 'i2cbcdev' for the i2c device and an 'offset' property used within the 120 device. 121 122config DM_BOOTCOUNT_I2C_EEPROM 123 bool "Support i2c eeprom devices as a backing store for bootcount" 124 depends on I2C_EEPROM 125 help 126 Enabled reading/writing the bootcount in a DM i2c eeprom device. 127 The wrapper device is to be specified with the compatible string 128 'u-boot,bootcount-i2c-eeprom' and the 'i2c-eeprom'-property (a phandle 129 pointing to the underlying i2c eeprom device) and an optional 'offset' 130 property are supported. 131 132config DM_BOOTCOUNT_PMIC_PFUZE100 133 bool "Enable Bootcount driver for PMIC PFUZE100" 134 depends on DM_PMIC_PFUZE100 135 help 136 Enable support for the bootcounter using PMIC PFUZE100 registers. 137 This works only, if the PMIC is not connected to a battery. 138 139config DM_BOOTCOUNT_SPI_FLASH 140 bool "Support SPI flash devices as a backing store for bootcount" 141 depends on DM_SPI_FLASH 142 help 143 Enabled reading/writing the bootcount in a DM SPI flash device. 144 The wrapper device is to be specified with the compatible string 145 'u-boot,bootcount-spi-flash' and the 'spi-flash'-property (a phandle 146 pointing to the underlying SPI flash device) and an optional 'offset' 147 property are supported. 148 149config BOOTCOUNT_MEM 150 bool "Support memory based bootcounter" 151 help 152 Enabling Memory based bootcount, typically in a SoC register which 153 is not cleared on softreset. 154 compatible = "u-boot,bootcount"; 155 156config DM_BOOTCOUNT_SYSCON 157 bool "Support SYSCON devices as a backing store for bootcount" 158 select REGMAP 159 select SYSCON 160 help 161 Enable reading/writing the bootcount value in a DM SYSCON device. 162 The driver supports a fixed 32 bits size register using the native 163 endianness. However, this can be controlled from the SYSCON DT node 164 configuration. 165 166 Accessing the backend is done using the regmap interface. 167 168endmenu 169 170endif 171 172config BOOTCOUNT_BOOTLIMIT 173 int "Maximum number of reboot cycles allowed" 174 default 0 175 help 176 Set the Maximum number of reboot cycles allowed without the boot 177 counter being cleared. 178 If set to 0, do not set a boot limit in the environment. 179 180config SYS_BOOTCOUNT_SINGLEWORD 181 bool "Use single word to pack boot count and magic value" 182 depends on BOOTCOUNT_GENERIC 183 help 184 This option enables packing boot count magic value and boot count 185 into single word (32 bits). 186 187config SYS_BOOTCOUNT_EXT_INTERFACE 188 string "Interface on which to find boot counter EXT filesystem" 189 default "mmc" 190 depends on BOOTCOUNT_EXT 191 help 192 Set the interface to use when locating the filesystem to use for the 193 boot counter. 194 195config SYS_BOOTCOUNT_EXT_DEVPART 196 string "Partition of the boot counter EXT filesystem" 197 default "0:1" 198 depends on BOOTCOUNT_EXT 199 help 200 Set the partition to use when locating the filesystem to use for the 201 boot counter. 202 203config SYS_BOOTCOUNT_EXT_NAME 204 string "Path and filename of the EXT filesystem based boot counter" 205 default "/boot/failures" 206 depends on BOOTCOUNT_EXT 207 help 208 Set the filename and path of the file used to store the boot counter. 209 210config SYS_BOOTCOUNT_ADDR 211 hex "RAM address used for reading and writing the boot counter" 212 default 0x44E3E000 if BOOTCOUNT_AM33XX || BOOTCOUNT_AM33XX_NVMEM 213 default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A 214 depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \ 215 BOOTCOUNT_AM33XX_NVMEM 216 help 217 Set the address used for reading and writing the boot counter. 218 219config SYS_BOOTCOUNT_MAGIC 220 hex "Magic value for the boot counter" 221 default 0xB001C041 if BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \ 222 BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \ 223 BOOTCOUNT_RAM || BOOTCOUNT_AT91 || DM_BOOTCOUNT 224 default 0xB0 if BOOTCOUNT_AM33XX_NVMEM 225 depends on BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \ 226 BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \ 227 BOOTCOUNT_RAM || BOOTCOUNT_AT91 || DM_BOOTCOUNT || \ 228 BOOTCOUNT_AM33XX_NVMEM 229 help 230 Set the magic value used for the boot counter. 231 232choice 233 prompt "Endianness of bootcount accessors" 234 default SYS_BOOTCOUNT_LE 235 236config SYS_BOOTCOUNT_LE 237 bool "Little endian accessors" 238 239config SYS_BOOTCOUNT_BE 240 bool "Big endian accessors" 241 242endchoice 243endif 244