Kconfig - OpenGrok cross reference for /openbmc/u-boot/env/Kconfig

20 	  while U-Boot is running, but once U-Boot exits it will not be
21 	  stored. U-Boot will therefore always start up with a default
31 	  - CONFIG_ENV_OFFSET:
32 	  - CONFIG_ENV_SIZE:
34 	  These two #defines specify the offset and size of the
41 	  - CONFIG_ENV_EEPROM_IS_ON_I2C
45 	  - CONFIG_I2C_ENV_EEPROM_BUS
87 	  a) The environment occupies one whole flash sector, which is
88 	   "embedded" in the text segment with the U-Boot code. This
89 	   happens usually with "bottom boot sector" or "top boot
90 	   sector" type flash chips, which have several smaller
92 	   layout can have sector sizes of 8, 2x4, 16, Nx32 kB. In
94 	   4 kB sectors - with U-Boot code before and after it. With
95 	   "top boot sector" type flash chips, you would put the
97 	   between U-Boot and the environment.
103 	   type flash chips the second sector can be used: the offset
104 	   for this sector is given here.
111 	   the flash sector containing the environment (instead of
116 	   Size of the sector containing the environment.
120 	   In such a case you don't want to spend a whole sector for
127 	   of this flash sector for the environment. This saves
131 	   when your environment is "embedded" within U-Boot code,
132 	   since then the remainder of the flash sector could be used
133 	   for U-Boot code. It should be pointed out that this is
136 	   necessary to erase the WHOLE sector. If something goes
149 	  source code will make it necessary to adapt <board>/u-boot.lds*
177 	  These two #defines specify the offset and size of the environment
189 	  MMC sector boundary.
193 	  Specifies a second storage area, of CONFIG_ENV_SIZE size, used to
202 	  an MMC sector boundary.
211 	bool "Environment in a NAND device"
214 	  Define this if you have a NAND device which you want to use for the
217 	  - CONFIG_ENV_OFFSET:
218 	  - CONFIG_ENV_SIZE:
220 	  These two #defines specify the offset and size of the environment
221 	  area within the first NAND device.  CONFIG_ENV_OFFSET must be
224 	  - CONFIG_ENV_OFFSET_REDUND (optional):
227 	  size used to hold a redundant copy of the environment data, so
232 	  - CONFIG_ENV_RANGE (optional):
235 	  can be written.  This should be a multiple of the NAND device's
236 	  block size.  Specifying a range with more erase blocks than
240 	  - CONFIG_ENV_OFFSET_OOB (optional):
243 	  environment from block zero's out-of-band data.  The
244 	  "nand env.oob" command can be used to record this offset.
249 	bool "Environment in a non-volatile RAM"
252 	  Define this if you have some non-volatile memory device
256 	  - CONFIG_ENV_ADDR:
257 	  - CONFIG_ENV_SIZE:
271 	  - CONFIG_ENV_ADDR:
272 	  - CONFIG_ENV_SIZE:
286 	  - CONFIG_ENV_ADDR:
287 	  - CONFIG_ENV_SIZE:
289 	  These two #defines specify the address and size of the
308 	  - CONFIG_ENV_OFFSET:
309 	  - CONFIG_ENV_SIZE:
311 	  These two #defines specify the offset and size of the
313 	  aligned to an erase sector boundary.
315 	  - CONFIG_ENV_SECT_SIZE:
317 	  Define the SPI flash's sector size.
319 	  - CONFIG_ENV_OFFSET_REDUND (optional):
322 	  size used to hold a redundant copy of the environment data, so
325 	  aligned to an erase sector boundary.
384 	  environment.  This has the benefit of wear-leveling the environment
385 	  accesses, which is important on NAND.
387 	  - CONFIG_ENV_UBI_PART:
391 	  - CONFIG_ENV_UBI_VOLUME:
396 	  - CONFIG_ENV_UBI_VOLUME_REDUND:
415 	default "0:auto" if ARCH_SUNXI && MMC_SUNXI_SLOT_EXTRA = -1
416 	default "1:auto" if ARCH_SUNXI && MMC_SUNXI_SLOT_EXTRA != -1
423 	       - "D:P": device D partition P. Error occurs if device D has no
425 	       - "D:0": device D.
426 	       - "D" or "D:": device D partition 1 if device D has partition
429 	       - "D:auto": first partition in device D with bootable flag set.
455 	       - "D:P": device D partition P. Error occurs if device D has no
457 	       - "D:0": device D.
458 	       - "D" or "D:": device D partition 1 if device D has partition
461 	       - "D:auto": first partition in device D with bootable flag set.
488 	hex "Environment Size"
494 	  Size of the environment storage area
497 	hex "Environment Sector-Size"
502 	  Size of the sector containing the environment.
537 	bool "Add run-time information to the environment"
540 	  run-time determined information about the hardware to the
575 	bool "SPL Environment in a NAND device"
633 	bool "TPL Environment in a NAND device"
666         hex "Environment Size"
668           Size of the environment storage area