X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=env%2FKconfig;h=c6ba08878d672d9e608fef0f4151df7a89365abb;hb=bc438b6e9a25614dc11c3c3fa2c38f9133090740;hp=bc03816bc8b3c6bb9eb75247d657f70fcb3a33c9;hpb=611623417403256dc79205a89d4dc7f826bc805f;p=platform%2Fkernel%2Fu-boot.git diff --git a/env/Kconfig b/env/Kconfig index bc03816..c6ba088 100644 --- a/env/Kconfig +++ b/env/Kconfig @@ -1,5 +1,17 @@ menu "Environment" +config ENV_SUPPORT + def_bool y + +config SAVEENV + def_bool y if CMD_SAVEENV + +config ENV_OVERWRITE + bool "Enable overwriting environment" + help + Use this to permit overriding of certain environmental variables + like Ethernet and Serial + config ENV_IS_NOWHERE bool "Environment is not stored" default y if !ENV_IS_IN_EEPROM && !ENV_IS_IN_EXT4 && \ @@ -60,6 +72,7 @@ config ENV_IS_IN_FAT config ENV_IS_IN_EXT4 bool "Environment is in a EXT4 filesystem" depends on !CHAIN_OF_TRUST + select FS_EXT4 select EXT4_WRITE help Define this if you want to use the EXT4 file system for the environment. @@ -132,7 +145,6 @@ config ENV_IS_IN_FLASH RAM, your target system will be dead. CONFIG_ENV_ADDR_REDUND - CONFIG_ENV_SIZE_REDUND These settings describe a second storage area used to hold a redundant copy of the environment data, so that there is @@ -195,12 +207,6 @@ config ENV_IS_IN_MMC This value is also in units of bytes, but must also be aligned to an MMC sector boundary. - CONFIG_ENV_SIZE_REDUND (optional): - - This value need not be set, even when CONFIG_ENV_OFFSET_REDUND is - set. If this value is set, it must be set to the same value as - CONFIG_ENV_SIZE. - config ENV_IS_IN_NAND bool "Environment in a NAND device" depends on !CHAIN_OF_TRUST @@ -373,6 +379,8 @@ config ENV_SPI_MODE config ENV_IS_IN_UBI bool "Environment in a UBI volume" depends on !CHAIN_OF_TRUST + depends on MTD_UBI + depends on CMD_UBI help Define this if you have an UBI volume that you want to use for the environment. This has the benefit of wear-leveling the environment @@ -393,11 +401,20 @@ config ENV_IS_IN_UBI the environment in. This will enable redundant environments in UBI. It is assumed that both volumes are in the same MTD partition. +config SYS_REDUNDAND_ENVIRONMENT + bool "Enable redundant environment support" + depends on ENV_IS_IN_EEPROM || ENV_IS_IN_FLASH || ENV_IS_IN_MMC || \ + ENV_IS_IN_NAND || ENV_IS_IN_SPI_FLASH || ENV_IS_IN_UBI + help + Normally, the environemt is stored in a single location. By + selecting this option, you can then define where to hold a redundant + copy of the environment data, so that there is a valid backup copy in + case there is a power failure during a "saveenv" operation. + config ENV_FAT_INTERFACE string "Name of the block device for the environment" depends on ENV_IS_IN_FAT - default "mmc" if ARCH_SUNXI - default "mmc" if TI_COMMON_CMD_OPTIONS || ARCH_ZYNQMP || ARCH_AT91 + default "mmc" help Define this to a string that is the name of the block device. @@ -405,7 +422,7 @@ config ENV_FAT_DEVICE_AND_PART string "Device and partition for where to store the environemt in FAT" depends on ENV_IS_IN_FAT default "0:1" if TI_COMMON_CMD_OPTIONS - default "0:auto" if ARCH_ZYNQMP + default "0:auto" if ARCH_ZYNQ || ARCH_ZYNQMP default "0:auto" if ARCH_SUNXI && MMC_SUNXI_SLOT_EXTRA = -1 default "1:auto" if ARCH_SUNXI && MMC_SUNXI_SLOT_EXTRA != -1 default "0" if ARCH_AT91 @@ -424,6 +441,10 @@ config ENV_FAT_DEVICE_AND_PART If none, first valid partition in device D. If no partition table then means device D. + If ENV_FAT_INTERFACE is set to "mmc" then device 'D' can be omitted, + leaving the string starting with a colon, and the boot device will + be used. + config ENV_FAT_FILE string "Name of the FAT file to use for the environment" depends on ENV_IS_IN_FAT @@ -459,17 +480,32 @@ config ENV_EXT4_DEVICE_AND_PART config ENV_EXT4_FILE string "Name of the EXT4 file to use for the environment" depends on ENV_IS_IN_EXT4 - default "uboot.env" + default "/uboot.env" help It's a string of the EXT4 file name. This file use to store the environment (explicit path to the file) -if ARCH_ROCKCHIP || ARCH_SUNXI || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL || ARC || ARCH_STM32MP || ARCH_OMAP2PLUS || ARCH_AT91 +config ENV_ADDR + hex "Environment address" + depends on ENV_IS_IN_FLASH || ENV_IS_IN_NVRAM || ENV_IS_IN_ONENAND || \ + ENV_IS_IN_REMOTE || ENV_IS_IN_SPI_FLASH + default 0x0 if ENV_IS_IN_SPI_FLASH + help + Offset from the start of the device (or partition) + +config ENV_ADDR_REDUND + hex "Redundant environment address" + depends on ENV_IS_IN_FLASH && SYS_REDUNDAND_ENVIRONMENT + help + Offset from the start of the device (or partition) of the redundant + environment location. config ENV_OFFSET - hex "Environment Offset" - depends on (!ENV_IS_IN_UBI && !ENV_IS_NOWHERE) || ARCH_STM32MP - default 0x3f8000 if ARCH_ROCKCHIP + hex "Environment offset" + depends on ENV_IS_IN_EEPROM || ENV_IS_IN_MMC || ENV_IS_IN_NAND || \ + ENV_IS_IN_SPI_FLASH + default 0x3f8000 if ARCH_ROCKCHIP && ENV_IS_IN_MMC + default 0x140000 if ARCH_ROCKCHIP && ENV_IS_IN_SPI_FLASH default 0x88000 if ARCH_SUNXI default 0xE0000 if ARCH_ZYNQ default 0x1E00000 if ARCH_ZYNQMP @@ -477,14 +513,25 @@ config ENV_OFFSET default 0 if ARC default 0x140000 if ARCH_AT91 default 0x260000 if ARCH_OMAP2PLUS + default 0x1080000 if MICROBLAZE && ENV_IS_IN_SPI_FLASH help Offset from the start of the device (or partition) +config ENV_OFFSET_REDUND + hex "Redundant environment offset" + depends on (ENV_IS_IN_EEPROM || ENV_IS_IN_MMC || ENV_IS_IN_NAND || \ + ENV_IS_IN_SPI_FLASH) && SYS_REDUNDAND_ENVIRONMENT + help + Offset from the start of the device (or partition) of the redundant + environment location. + config ENV_SIZE hex "Environment Size" default 0x40000 if ENV_IS_IN_SPI_FLASH && ARCH_ZYNQMP default 0x20000 if ARCH_SUNXI || ARCH_ZYNQ || ARCH_OMAP2PLUS || ARCH_AT91 - default 0x8000 if ARCH_ROCKCHIP || ARCH_ZYNQMP || ARCH_VERSAL + default 0x8000 if ARCH_ROCKCHIP && ENV_IS_IN_MMC + default 0x2000 if ARCH_ROCKCHIP && ENV_IS_IN_SPI_FLASH + default 0x8000 if ARCH_ZYNQMP || ARCH_VERSAL default 0x4000 if ARC default 0x1f000 help @@ -492,9 +539,11 @@ config ENV_SIZE config ENV_SECT_SIZE hex "Environment Sector-Size" - depends on (!ENV_IS_NOWHERE && (ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL || ARCH_OMAP2PLUS || ARCH_AT91) )|| ARCH_STM32MP + depends on ENV_IS_IN_FLASH || ENV_IS_IN_SPI_FLASH + default 0x2000 if ARCH_ROCKCHIP default 0x40000 if ARCH_ZYNQMP || ARCH_VERSAL default 0x20000 if ARCH_ZYNQ || ARCH_OMAP2PLUS || ARCH_AT91 + default 0x20000 if MICROBLAZE && ENV_IS_IN_SPI_FLASH help Size of the sector containing the environment. @@ -512,16 +561,10 @@ config ENV_UBI_VOLUME config ENV_UBI_VOLUME_REDUND string "UBI redundant volume name" - depends on ENV_IS_IN_UBI + depends on ENV_IS_IN_UBI && SYS_REDUNDAND_ENVIRONMENT help Name of the redundant volume that you want to store the environment in. -config ENV_UBI_IS_VOLUME_REDUND - bool - depends on ENV_IS_IN_UBI - default y if ENV_UBI_VOLUME_REDUND != "" - default n - config ENV_UBI_VID_OFFSET int "ubi environment VID offset" depends on ENV_IS_IN_UBI @@ -529,7 +572,30 @@ config ENV_UBI_VID_OFFSET help UBI VID offset for environment. If 0, no custom VID offset is used. -endif +config SYS_RELOC_GD_ENV_ADDR + bool "Relocate gd->env_addr" + help + Relocate the early env_addr pointer so we know it is not inside + the binary. Some systems need this and for the rest, it doesn't hurt. + +config SYS_MMC_ENV_DEV + int "mmc device number" + depends on ENV_IS_IN_MMC || ENV_IS_IN_FAT || SYS_LS_PPA_FW_IN_MMC || \ + CMD_MVEBU_BUBT || FMAN_ENET || QE + default 0 + help + MMC device number on the platform where the environment is stored. + +config SYS_MMC_ENV_PART + int "mmc partition number" + depends on ENV_IS_IN_MMC || ENV_IS_IN_FAT + default 0 + help + MMC hardware partition device number on the platform where the + environment is stored. Note that this is not related to any software + defined partition table but instead if we are in the user area, which is + partition 0 or the first boot partition, which is 1 or some other defined + partition. config USE_DEFAULT_ENV_FILE bool "Create default environment from file" @@ -556,6 +622,42 @@ config ENV_VARS_UBOOT_RUNTIME_CONFIG run-time determined information about the hardware to the environment. These will be named board_name, board_rev. +config DELAY_ENVIRONMENT + bool "Delay environment loading" + depends on !OF_CONTROL + help + Enable this to inhibit loading the environment during board + initialization. This can address the security risk of untrusted data + being used during boot. Normally the environment is loaded when the + board is initialised so that it is available to U-Boot. This inhibits + that so that the environment is not available until explicitly loaded + later by U-Boot code. With CONFIG_OF_CONTROL this is instead + controlled by the value of /config/load-environment. + +config ENV_APPEND + bool "Always append the environment with new data" + default n + help + If defined, the environment hash table is only ever appended with new + data, but the existing hash table can never be dropped and reloaded + with newly imported data. This may be used in combination with static + flags to e.g. to protect variables which must not be modified. + +config ENV_WRITEABLE_LIST + bool "Permit write access only to listed variables" + default n + help + If defined, only environment variables which explicitly set the 'w' + writeable flag can be written and modified at runtime. No variables + can be otherwise created, written or imported into the environment. + +config ENV_ACCESS_IGNORE_FORCE + bool "Block forced environment operations" + default n + help + If defined, don't allow the -f switch to env set override variable + access flags. + if SPL_ENV_SUPPORT config SPL_ENV_IS_NOWHERE bool "SPL Environment is not stored" @@ -671,4 +773,13 @@ config TPL_ENV_IS_IN_FLASH endif +config VERSION_VARIABLE + bool "Add a 'ver' environment variable with the U-Boot version" + help + If this variable is defined, an environment variable + named "ver" is created by U-Boot showing the U-Boot + version as printed by the "version" command. + Any change to this variable will be reverted at the + next reset. + endmenu