config BOOTCOUNT_EXT
bool "Boot counter on EXT filesystem"
+ depends on FS_EXT4
+ select EXT4_WRITE
help
Add support for maintaining boot count in a file on an EXT
filesystem.
This requires the RTC clocks, etc, to be enabled prior to use and
not all boards with this IP block on it will have the RTC in use.
+config BOOTCOUNT_AM33XX_NVMEM
+ bool "Boot counter in AM33XX RTC IP block with upgrade_available flag"
+ depends on AM33XX
+ select SPL_AM33XX_ENABLE_RTC32K_OSC if AM33XX
+ help
+ Add support for maintaining bootcount,upgrade_available,
+ version and BOOTMAGIC in a AM33xx RTC IP block
+ scratch register2.
+
+ A bootcount driver for the RTC IP block found on many TI platforms.
+ This requires the RTC clocks, etc, to be enabled prior to use and
+ not all boards with this IP block on it will have the RTC in use.
+
+ If there is upgrade in software then "upgrade_available" is 1,
+ "bootcount" is incremented otherwise "upgrade_available" and
+ "bootcount" is always 0. So the Userspace Application must set
+ the "upgrade_available" and "bootcount" variable to 0, if a boot
+ was successfully.
+
config BOOTCOUNT_ENV
bool "Boot counter in environment"
help
"bootcount" is stored in the environment. To prevent a
saveenv on all reboots, the environment variable
"upgrade_available" is used. If "upgrade_available" is
- 0, "bootcount" is always 0, if "upgrade_available" is
- 1 "bootcount" is incremented in the environment.
+ 0, "bootcount" is always 0. If "upgrade_available" is 1,
+ "bootcount" is incremented in the environment.
So the Userspace Application must set the "upgrade_available"
- and "bootcount" variable to 0, if a boot was successfully.
+ and "bootcount" variables to 0, if the system booted successfully.
config BOOTCOUNT_RAM
bool "Boot counter in RAM"
help
- Store the bootcount in DRAM protected against against bit errors
+ Store the bootcount in DRAM protected against bit errors
due to short power loss or holding a system in RESET.
config BOOTCOUNT_I2C
pointing to the underlying i2c eeprom device) and an optional 'offset'
property are supported.
+config DM_BOOTCOUNT_PMIC_PFUZE100
+ bool "Enable Bootcount driver for PMIC PFUZE100"
+ depends on DM_PMIC_PFUZE100
+ help
+ Enable support for the bootcounter using PMIC PFUZE100 registers.
+ This works only, if the PMIC is not connected.
+
+config DM_BOOTCOUNT_SPI_FLASH
+ bool "Support SPI flash devices as a backing store for bootcount"
+ depends on DM_SPI_FLASH
+ help
+ Enabled reading/writing the bootcount in a DM SPI flash device.
+ The wrapper device is to be specified with the compatible string
+ 'u-boot,bootcount-spi-flash' and the 'spi-flash'-property (a phandle
+ pointing to the underlying SPI flash device) and an optional 'offset'
+ property are supported.
+
config BOOTCOUNT_MEM
bool "Support memory based bootcounter"
help
is not cleared on softreset.
compatible = "u-boot,bootcount";
+config DM_BOOTCOUNT_SYSCON
+ bool "Support SYSCON devices as a backing store for bootcount"
+ select REGMAP
+ select SYSCON
+ help
+ Enable reading/writing the bootcount value in a DM SYSCON device.
+ The driver supports a fixed 32 bits size register using the native
+ endianness. However, this can be controlled from the SYSCON DT node
+ configuration.
+
+ Accessing the backend is done using the regmap interface.
+
endmenu
endif
help
Set the Maximum number of reboot cycles allowed without the boot
counter being cleared.
- If set to 0 do not set a boot limit in the environment.
+ If set to 0, do not set a boot limit in the environment.
config BOOTCOUNT_ALEN
int "I2C address length"
config SYS_BOOTCOUNT_ADDR
hex "RAM address used for reading and writing the boot counter"
- default 0x44E3E000 if BOOTCOUNT_AM33XX
+ default 0x44E3E000 if BOOTCOUNT_AM33XX || BOOTCOUNT_AM33XX_NVMEM
default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A
depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
- BOOTCOUNT_I2C
+ BOOTCOUNT_I2C || BOOTCOUNT_AM33XX_NVMEM
help
Set the address used for reading and writing the boot counter.
config SYS_BOOTCOUNT_MAGIC
hex "Magic value for the boot counter"
- default 0xB001C041
+ default 0xB001C041 if BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
+ BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
+ BOOTCOUNT_RAM || BOOTCOUNT_I2C || \
+ BOOTCOUNT_AT91 || DM_BOOTCOUNT
+ default 0xB0 if BOOTCOUNT_AM33XX_NVMEM
+ depends on BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
+ BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
+ BOOTCOUNT_RAM || BOOTCOUNT_I2C || \
+ BOOTCOUNT_AT91 || DM_BOOTCOUNT || \
+ BOOTCOUNT_AM33XX_NVMEM
help
Set the magic value used for the boot counter.