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toradex: imx: enable BOOTCOUNT feature

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This introduces automatic boot counter that increases after every
reset.After a power-on reset, it will be initialized with 1,
and each reboot will increment the value by 1. By default it's
disabled if bootlimit isn't set.

To enable this feature you have set bootcount limit ("bootlimit"),
alternate boot action ("altbootcmd") that will be performed if
the new value of bootcount exceeds the value of bootlimit, and
"upgrade_available" to let U-Boot automatically increase and save
the counter value after every reset:

> setenv bootlimit 5
> setenv upgrade_available 1
> setenv altbootcmd "bootm ..."

In case the bootlimit exceeds, the message will be shown and
albootcmd executed:
Warning: Bootlimit (5) exceeded. Using altbootcmd.

To reset bootcount run:
> bootcount reset

Print current value:
> bootcount print

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
This commit is contained in:
Igor Opaniuk 2020-06-16 22:20:08 +03:00 committed by Stefano Babic
parent 670795a38d
commit 1cfe8d6b30
5 changed files with 15 additions and 0 deletions
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3
configs/apalis_imx6_defconfig
View file

@ -53,6 +53,7 @@ CONFIG_CMD_USB_SDP=y
CONFIG_CMD_USB_MASS_STORAGE=y
# CONFIG_CMD_NFS is not set
CONFIG_CMD_BMP=y
CONFIG_CMD_BOOTCOUNT=y
CONFIG_CMD_CACHE=y
CONFIG_CMD_TIME=y
CONFIG_CMD_PMIC=y
@ -65,6 +66,8 @@ CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_IP_DEFRAG=y
CONFIG_TFTP_BLOCKSIZE=4096
CONFIG_DWC_AHSATA=y
CONFIG_BOOTCOUNT_LIMIT=y
CONFIG_BOOTCOUNT_ENV=y
CONFIG_DM_I2C=y
CONFIG_DM_MMC=y
CONFIG_SUPPORT_EMMC_BOOT=y

3
configs/colibri-imx6ull_defconfig
View file

@ -40,6 +40,7 @@ CONFIG_CMD_USB=y
CONFIG_CMD_USB_SDP=y
CONFIG_CMD_USB_MASS_STORAGE=y
CONFIG_CMD_BMP=y
CONFIG_CMD_BOOTCOUNT=y
CONFIG_CMD_CACHE=y
CONFIG_CMD_REGULATOR=y
CONFIG_CMD_MTDPARTS=y
@ -54,6 +55,8 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_IP_DEFRAG=y
CONFIG_TFTP_BLOCKSIZE=16352
CONFIG_BOOTCOUNT_LIMIT=y
CONFIG_BOOTCOUNT_ENV=y
CONFIG_DFU_NAND=y
CONFIG_DM_I2C=y
CONFIG_SYS_I2C_MXC=y

3
configs/colibri_imx6_defconfig
View file

@ -52,6 +52,7 @@ CONFIG_CMD_USB_SDP=y
CONFIG_CMD_USB_MASS_STORAGE=y
# CONFIG_CMD_NFS is not set
CONFIG_CMD_BMP=y
CONFIG_CMD_BOOTCOUNT=y
CONFIG_CMD_CACHE=y
CONFIG_CMD_TIME=y
CONFIG_CMD_UUID=y
@ -64,6 +65,8 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_IP_DEFRAG=y
CONFIG_TFTP_BLOCKSIZE=16352
CONFIG_BOOTCOUNT_LIMIT=y
CONFIG_BOOTCOUNT_ENV=y
CONFIG_DM_I2C=y
CONFIG_DM_MMC=y
CONFIG_SUPPORT_EMMC_BOOT=y

3
configs/colibri_imx7_defconfig
View file

@ -40,6 +40,7 @@ CONFIG_CMD_USB=y
CONFIG_CMD_USB_MASS_STORAGE=y
# CONFIG_BOOTP_PXE is not set
CONFIG_CMD_BMP=y
CONFIG_CMD_BOOTCOUNT=y
CONFIG_CMD_CACHE=y
# CONFIG_CMD_HASH is not set
CONFIG_CMD_MTDPARTS=y
@ -54,6 +55,8 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_IP_DEFRAG=y
CONFIG_TFTP_BLOCKSIZE=16352
CONFIG_BOOTCOUNT_LIMIT=y
CONFIG_BOOTCOUNT_ENV=y
CONFIG_FSL_CAAM=y
CONFIG_DFU_NAND=y
CONFIG_DM_I2C=y

3
configs/colibri_imx7_emmc_defconfig
View file

@ -38,6 +38,7 @@ CONFIG_CMD_MMC=y
CONFIG_CMD_USB=y
CONFIG_CMD_USB_MASS_STORAGE=y
CONFIG_CMD_BMP=y
CONFIG_CMD_BOOTCOUNT=y
CONFIG_CMD_CACHE=y
# CONFIG_CMD_HASH is not set
# CONFIG_ISO_PARTITION is not set
@ -48,6 +49,8 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_IP_DEFRAG=y
CONFIG_TFTP_BLOCKSIZE=16352
CONFIG_BOOTCOUNT_LIMIT=y
CONFIG_BOOTCOUNT_ENV=y
CONFIG_FSL_CAAM=y
CONFIG_USB_FUNCTION_FASTBOOT=y
CONFIG_FASTBOOT_BUF_ADDR=0x82000000