Kconfig 19 KB

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  1. menu "Environment"
  2. config ENV_IS_NOWHERE
  3. bool "Environment is not stored"
  4. depends on !ENV_IS_IN_EEPROM
  5. depends on !ENV_IS_IN_EXT4
  6. depends on !ENV_IS_IN_FAT
  7. depends on !ENV_IS_IN_FLASH
  8. depends on !ENV_IS_IN_MMC
  9. depends on !ENV_IS_IN_NAND
  10. depends on !ENV_IS_IN_NVRAM
  11. depends on !ENV_IS_IN_ONENAND
  12. depends on !ENV_IS_IN_REMOTE
  13. depends on !ENV_IS_IN_SPI_FLASH
  14. depends on !ENV_IS_IN_UBI
  15. default y
  16. help
  17. Define this if you don't want to or can't have an environment stored
  18. on a storage medium. In this case the environment will still exist
  19. while U-Boot is running, but once U-Boot exits it will not be
  20. stored. U-Boot will therefore always start up with a default
  21. environment.
  22. config ENV_IS_IN_EEPROM
  23. bool "Environment in EEPROM"
  24. depends on !CHAIN_OF_TRUST
  25. help
  26. Use this if you have an EEPROM or similar serial access
  27. device and a driver for it.
  28. - CONFIG_ENV_OFFSET:
  29. - CONFIG_ENV_SIZE:
  30. These two #defines specify the offset and size of the
  31. environment area within the total memory of your EEPROM.
  32. Note that we consider the length of the address field to
  33. still be one byte because the extra address bits are hidden
  34. in the chip address.
  35. - CONFIG_ENV_EEPROM_IS_ON_I2C
  36. define this, if you have I2C and SPI activated, and your
  37. EEPROM, which holds the environment, is on the I2C bus.
  38. - CONFIG_I2C_ENV_EEPROM_BUS
  39. if you have an Environment on an EEPROM reached over
  40. I2C muxes, you can define here, how to reach this
  41. EEPROM. For example:
  42. #define CONFIG_I2C_ENV_EEPROM_BUS 1
  43. EEPROM which holds the environment, is reached over
  44. a pca9547 i2c mux with address 0x70, channel 3.
  45. config ENV_IS_IN_FAT
  46. bool "Environment is in a FAT filesystem"
  47. depends on !CHAIN_OF_TRUST
  48. default y if ARCH_BCM283X
  49. default y if ARCH_SUNXI && MMC
  50. default y if MMC_OMAP_HS && TI_COMMON_CMD_OPTIONS
  51. select FS_FAT
  52. select FAT_WRITE
  53. help
  54. Define this if you want to use the FAT file system for the environment.
  55. config ENV_IS_IN_EXT4
  56. bool "Environment is in a EXT4 filesystem"
  57. depends on !CHAIN_OF_TRUST
  58. select EXT4_WRITE
  59. help
  60. Define this if you want to use the EXT4 file system for the environment.
  61. config ENV_IS_IN_FLASH
  62. bool "Environment in flash memory"
  63. depends on !CHAIN_OF_TRUST
  64. default y if ARCH_CINTEGRATOR
  65. default y if ARCH_INTEGRATOR_CP
  66. default y if M548x || M547x || M5282 || MCF547x_8x
  67. default y if MCF532x || MCF52x2
  68. default y if MPC86xx || MPC83xx
  69. default y if ARCH_MPC8572 || ARCH_MPC8548 || ARCH_MPC8641
  70. default y if SH && !CPU_SH4
  71. help
  72. Define this if you have a flash device which you want to use for the
  73. environment.
  74. a) The environment occupies one whole flash sector, which is
  75. "embedded" in the text segment with the U-Boot code. This
  76. happens usually with "bottom boot sector" or "top boot
  77. sector" type flash chips, which have several smaller
  78. sectors at the start or the end. For instance, such a
  79. layout can have sector sizes of 8, 2x4, 16, Nx32 kB. In
  80. such a case you would place the environment in one of the
  81. 4 kB sectors - with U-Boot code before and after it. With
  82. "top boot sector" type flash chips, you would put the
  83. environment in one of the last sectors, leaving a gap
  84. between U-Boot and the environment.
  85. CONFIG_ENV_OFFSET:
  86. Offset of environment data (variable area) to the
  87. beginning of flash memory; for instance, with bottom boot
  88. type flash chips the second sector can be used: the offset
  89. for this sector is given here.
  90. CONFIG_ENV_OFFSET is used relative to CONFIG_SYS_FLASH_BASE.
  91. CONFIG_ENV_ADDR:
  92. This is just another way to specify the start address of
  93. the flash sector containing the environment (instead of
  94. CONFIG_ENV_OFFSET).
  95. CONFIG_ENV_SECT_SIZE:
  96. Size of the sector containing the environment.
  97. b) Sometimes flash chips have few, equal sized, BIG sectors.
  98. In such a case you don't want to spend a whole sector for
  99. the environment.
  100. CONFIG_ENV_SIZE:
  101. If you use this in combination with CONFIG_ENV_IS_IN_FLASH
  102. and CONFIG_ENV_SECT_SIZE, you can specify to use only a part
  103. of this flash sector for the environment. This saves
  104. memory for the RAM copy of the environment.
  105. It may also save flash memory if you decide to use this
  106. when your environment is "embedded" within U-Boot code,
  107. since then the remainder of the flash sector could be used
  108. for U-Boot code. It should be pointed out that this is
  109. STRONGLY DISCOURAGED from a robustness point of view:
  110. updating the environment in flash makes it always
  111. necessary to erase the WHOLE sector. If something goes
  112. wrong before the contents has been restored from a copy in
  113. RAM, your target system will be dead.
  114. CONFIG_ENV_ADDR_REDUND
  115. CONFIG_ENV_SIZE_REDUND
  116. These settings describe a second storage area used to hold
  117. a redundant copy of the environment data, so that there is
  118. a valid backup copy in case there is a power failure during
  119. a "saveenv" operation.
  120. BE CAREFUL! Any changes to the flash layout, and some changes to the
  121. source code will make it necessary to adapt <board>/u-boot.lds*
  122. accordingly!
  123. config ENV_IS_IN_MMC
  124. bool "Environment in an MMC device"
  125. depends on !CHAIN_OF_TRUST
  126. depends on MMC
  127. default y if ARCH_EXYNOS4
  128. default y if MX6SX || MX7D
  129. default y if TEGRA30 || TEGRA124
  130. default y if TEGRA_ARMV8_COMMON
  131. help
  132. Define this if you have an MMC device which you want to use for the
  133. environment.
  134. CONFIG_SYS_MMC_ENV_DEV:
  135. Specifies which MMC device the environment is stored in.
  136. CONFIG_SYS_MMC_ENV_PART (optional):
  137. Specifies which MMC partition the environment is stored in. If not
  138. set, defaults to partition 0, the user area. Common values might be
  139. 1 (first MMC boot partition), 2 (second MMC boot partition).
  140. CONFIG_ENV_OFFSET:
  141. CONFIG_ENV_SIZE:
  142. These two #defines specify the offset and size of the environment
  143. area within the specified MMC device.
  144. If offset is positive (the usual case), it is treated as relative to
  145. the start of the MMC partition. If offset is negative, it is treated
  146. as relative to the end of the MMC partition. This can be useful if
  147. your board may be fitted with different MMC devices, which have
  148. different sizes for the MMC partitions, and you always want the
  149. environment placed at the very end of the partition, to leave the
  150. maximum possible space before it, to store other data.
  151. These two values are in units of bytes, but must be aligned to an
  152. MMC sector boundary.
  153. CONFIG_ENV_OFFSET_REDUND (optional):
  154. Specifies a second storage area, of CONFIG_ENV_SIZE size, used to
  155. hold a redundant copy of the environment data. This provides a
  156. valid backup copy in case the other copy is corrupted, e.g. due
  157. to a power failure during a "saveenv" operation.
  158. This value may also be positive or negative; this is handled in the
  159. same way as CONFIG_ENV_OFFSET.
  160. This value is also in units of bytes, but must also be aligned to
  161. an MMC sector boundary.
  162. CONFIG_ENV_SIZE_REDUND (optional):
  163. This value need not be set, even when CONFIG_ENV_OFFSET_REDUND is
  164. set. If this value is set, it must be set to the same value as
  165. CONFIG_ENV_SIZE.
  166. config ENV_IS_IN_NAND
  167. bool "Environment in a NAND device"
  168. depends on !CHAIN_OF_TRUST
  169. help
  170. Define this if you have a NAND device which you want to use for the
  171. environment.
  172. - CONFIG_ENV_OFFSET:
  173. - CONFIG_ENV_SIZE:
  174. These two #defines specify the offset and size of the environment
  175. area within the first NAND device. CONFIG_ENV_OFFSET must be
  176. aligned to an erase block boundary.
  177. - CONFIG_ENV_OFFSET_REDUND (optional):
  178. This setting describes a second storage area of CONFIG_ENV_SIZE
  179. size used to hold a redundant copy of the environment data, so
  180. that there is a valid backup copy in case there is a power failure
  181. during a "saveenv" operation. CONFIG_ENV_OFFSET_REDUND must be
  182. aligned to an erase block boundary.
  183. - CONFIG_ENV_RANGE (optional):
  184. Specifies the length of the region in which the environment
  185. can be written. This should be a multiple of the NAND device's
  186. block size. Specifying a range with more erase blocks than
  187. are needed to hold CONFIG_ENV_SIZE allows bad blocks within
  188. the range to be avoided.
  189. - CONFIG_ENV_OFFSET_OOB (optional):
  190. Enables support for dynamically retrieving the offset of the
  191. environment from block zero's out-of-band data. The
  192. "nand env.oob" command can be used to record this offset.
  193. Currently, CONFIG_ENV_OFFSET_REDUND is not supported when
  194. using CONFIG_ENV_OFFSET_OOB.
  195. config ENV_IS_IN_NVRAM
  196. bool "Environment in a non-volatile RAM"
  197. depends on !CHAIN_OF_TRUST
  198. help
  199. Define this if you have some non-volatile memory device
  200. (NVRAM, battery buffered SRAM) which you want to use for the
  201. environment.
  202. - CONFIG_ENV_ADDR:
  203. - CONFIG_ENV_SIZE:
  204. These two #defines are used to determine the memory area you
  205. want to use for environment. It is assumed that this memory
  206. can just be read and written to, without any special
  207. provision.
  208. config ENV_IS_IN_ONENAND
  209. bool "Environment is in OneNAND"
  210. depends on !CHAIN_OF_TRUST
  211. help
  212. Define this if you want to put your local device's environment in
  213. OneNAND.
  214. - CONFIG_ENV_ADDR:
  215. - CONFIG_ENV_SIZE:
  216. These two #defines are used to determine the device range you
  217. want to use for environment. It is assumed that this memory
  218. can just be read and written to, without any special
  219. provision.
  220. config ENV_IS_IN_REMOTE
  221. bool "Environment is in remote memory space"
  222. depends on !CHAIN_OF_TRUST
  223. help
  224. Define this if you have a remote memory space which you
  225. want to use for the local device's environment.
  226. - CONFIG_ENV_ADDR:
  227. - CONFIG_ENV_SIZE:
  228. These two #defines specify the address and size of the
  229. environment area within the remote memory space. The
  230. local device can get the environment from remote memory
  231. space by SRIO or PCIE links.
  232. config ENV_IS_IN_SPI_FLASH
  233. bool "Environment is in SPI flash"
  234. depends on !CHAIN_OF_TRUST
  235. default y if ARMADA_XP
  236. default y if INTEL_BAYTRAIL
  237. default y if INTEL_BRASWELL
  238. default y if INTEL_BROADWELL
  239. default y if NORTHBRIDGE_INTEL_IVYBRIDGE
  240. default y if INTEL_QUARK
  241. default y if INTEL_QUEENSBAY
  242. help
  243. Define this if you have a SPI Flash memory device which you
  244. want to use for the environment.
  245. - CONFIG_ENV_OFFSET:
  246. - CONFIG_ENV_SIZE:
  247. These two #defines specify the offset and size of the
  248. environment area within the SPI Flash. CONFIG_ENV_OFFSET must be
  249. aligned to an erase sector boundary.
  250. - CONFIG_ENV_SECT_SIZE:
  251. Define the SPI flash's sector size.
  252. - CONFIG_ENV_OFFSET_REDUND (optional):
  253. This setting describes a second storage area of CONFIG_ENV_SIZE
  254. size used to hold a redundant copy of the environment data, so
  255. that there is a valid backup copy in case there is a power failure
  256. during a "saveenv" operation. CONFIG_ENV_OFFSET_REDUND must be
  257. aligned to an erase sector boundary.
  258. - CONFIG_ENV_SPI_BUS (optional):
  259. - CONFIG_ENV_SPI_CS (optional):
  260. Define the SPI bus and chip select. If not defined they will be 0.
  261. - CONFIG_ENV_SPI_MAX_HZ (optional):
  262. Define the SPI max work clock. If not defined then use 1MHz.
  263. - CONFIG_ENV_SPI_MODE (optional):
  264. Define the SPI work mode. If not defined then use SPI_MODE_3.
  265. config ENV_IS_IN_UBI
  266. bool "Environment in a UBI volume"
  267. depends on !CHAIN_OF_TRUST
  268. help
  269. Define this if you have an UBI volume that you want to use for the
  270. environment. This has the benefit of wear-leveling the environment
  271. accesses, which is important on NAND.
  272. - CONFIG_ENV_UBI_PART:
  273. Define this to a string that is the mtd partition containing the UBI.
  274. - CONFIG_ENV_UBI_VOLUME:
  275. Define this to the name of the volume that you want to store the
  276. environment in.
  277. - CONFIG_ENV_UBI_VOLUME_REDUND:
  278. Define this to the name of another volume to store a second copy of
  279. the environment in. This will enable redundant environments in UBI.
  280. It is assumed that both volumes are in the same MTD partition.
  281. config ENV_FAT_INTERFACE
  282. string "Name of the block device for the environment"
  283. depends on ENV_IS_IN_FAT
  284. default "mmc" if ARCH_SUNXI
  285. default "mmc" if TI_COMMON_CMD_OPTIONS || ARCH_ZYNQMP || ARCH_AT91
  286. help
  287. Define this to a string that is the name of the block device.
  288. config ENV_FAT_DEVICE_AND_PART
  289. string "Device and partition for where to store the environemt in FAT"
  290. depends on ENV_IS_IN_FAT
  291. default "0:1" if TI_COMMON_CMD_OPTIONS
  292. default "0:auto" if ARCH_ZYNQMP
  293. default "0:auto" if ARCH_SUNXI && MMC_SUNXI_SLOT_EXTRA = -1
  294. default "1:auto" if ARCH_SUNXI && MMC_SUNXI_SLOT_EXTRA != -1
  295. default "0" if ARCH_AT91
  296. help
  297. Define this to a string to specify the partition of the device. It can
  298. be as following:
  299. "D:P", "D:0", "D", "D:" or "D:auto" (D, P are integers. And P >= 1)
  300. - "D:P": device D partition P. Error occurs if device D has no
  301. partition table.
  302. - "D:0": device D.
  303. - "D" or "D:": device D partition 1 if device D has partition
  304. table, or the whole device D if has no partition
  305. table.
  306. - "D:auto": first partition in device D with bootable flag set.
  307. If none, first valid partition in device D. If no
  308. partition table then means device D.
  309. config ENV_FAT_FILE
  310. string "Name of the FAT file to use for the environment"
  311. depends on ENV_IS_IN_FAT
  312. default "uboot.env"
  313. help
  314. It's a string of the FAT file name. This file use to store the
  315. environment.
  316. config ENV_EXT4_INTERFACE
  317. string "Name of the block device for the environment"
  318. depends on ENV_IS_IN_EXT4
  319. help
  320. Define this to a string that is the name of the block device.
  321. config ENV_EXT4_DEVICE_AND_PART
  322. string "Device and partition for where to store the environemt in EXT4"
  323. depends on ENV_IS_IN_EXT4
  324. help
  325. Define this to a string to specify the partition of the device. It can
  326. be as following:
  327. "D:P", "D:0", "D", "D:" or "D:auto" (D, P are integers. And P >= 1)
  328. - "D:P": device D partition P. Error occurs if device D has no
  329. partition table.
  330. - "D:0": device D.
  331. - "D" or "D:": device D partition 1 if device D has partition
  332. table, or the whole device D if has no partition
  333. table.
  334. - "D:auto": first partition in device D with bootable flag set.
  335. If none, first valid partition in device D. If no
  336. partition table then means device D.
  337. config ENV_EXT4_FILE
  338. string "Name of the EXT4 file to use for the environment"
  339. depends on ENV_IS_IN_EXT4
  340. default "uboot.env"
  341. help
  342. It's a string of the EXT4 file name. This file use to store the
  343. environment (explicit path to the file)
  344. if ARCH_ROCKCHIP || ARCH_SUNXI || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL
  345. config ENV_OFFSET
  346. hex "Environment Offset"
  347. depends on !ENV_IS_IN_UBI
  348. depends on !ENV_IS_NOWHERE
  349. default 0x3f8000 if ARCH_ROCKCHIP
  350. default 0x88000 if ARCH_SUNXI
  351. default 0xE0000 if ARCH_ZYNQ
  352. default 0x1E00000 if ARCH_ZYNQMP
  353. help
  354. Offset from the start of the device (or partition)
  355. config ENV_SIZE
  356. hex "Environment Size"
  357. default 0x40000 if ENV_IS_IN_SPI_FLASH && ARCH_ZYNQMP
  358. default 0x20000 if ARCH_SUNXI || ARCH_ZYNQ
  359. default 0x8000 if ARCH_ROCKCHIP || ARCH_ZYNQMP || ARCH_VERSAL
  360. help
  361. Size of the environment storage area
  362. config ENV_SECT_SIZE
  363. hex "Environment Sector-Size"
  364. depends on !ENV_IS_NOWHERE && (ARCH_ZYNQ || ARCH_ZYNQMP)
  365. default 0x40000 if ARCH_ZYNQMP
  366. default 0x20000 if ARCH_ZYNQ
  367. help
  368. Size of the sector containing the environment.
  369. config ENV_UBI_PART
  370. string "UBI partition name"
  371. depends on ENV_IS_IN_UBI
  372. help
  373. MTD partition containing the UBI device
  374. config ENV_UBI_VOLUME
  375. string "UBI volume name"
  376. depends on ENV_IS_IN_UBI
  377. help
  378. Name of the volume that you want to store the environment in.
  379. endif
  380. config USE_DEFAULT_ENV_FILE
  381. bool "Create default environment from file"
  382. help
  383. Normally, the default environment is automatically generated
  384. based on the settings of various CONFIG_* options, as well
  385. as the CONFIG_EXTRA_ENV_SETTINGS. By selecting this option,
  386. you can instead define the entire default environment in an
  387. external file.
  388. config DEFAULT_ENV_FILE
  389. string "Path to default environment file"
  390. depends on USE_DEFAULT_ENV_FILE
  391. help
  392. The path containing the default environment. The format is
  393. the same as accepted by the mkenvimage tool: lines
  394. containing key=value pairs, blank lines and lines beginning
  395. with # are ignored.
  396. config ENV_VARS_UBOOT_RUNTIME_CONFIG
  397. bool "Add run-time information to the environment"
  398. help
  399. Enable this in order to add variables describing certain
  400. run-time determined information about the hardware to the
  401. environment. These will be named board_name, board_rev.
  402. if SPL_ENV_SUPPORT
  403. config SPL_ENV_IS_NOWHERE
  404. bool "SPL Environment is not stored"
  405. default y if ENV_IS_NOWHERE
  406. help
  407. Similar to ENV_IS_NOWHERE, used for SPL environment.
  408. config SPL_ENV_IS_IN_MMC
  409. bool "SPL Environment in an MMC device"
  410. depends on !SPL_ENV_IS_NOWHERE
  411. depends on ENV_IS_IN_MMC
  412. default y
  413. help
  414. Similar to ENV_IS_IN_MMC, used for SPL environment.
  415. config SPL_ENV_IS_IN_FAT
  416. bool "SPL Environment is in a FAT filesystem"
  417. depends on !SPL_ENV_IS_NOWHERE
  418. depends on ENV_IS_IN_FAT
  419. default y
  420. help
  421. Similar to ENV_IS_IN_FAT, used for SPL environment.
  422. config SPL_ENV_IS_IN_EXT4
  423. bool "SPL Environment is in a EXT4 filesystem"
  424. depends on !SPL_ENV_IS_NOWHERE
  425. depends on ENV_IS_IN_EXT4
  426. default y
  427. help
  428. Similar to ENV_IS_IN_EXT4, used for SPL environment.
  429. config SPL_ENV_IS_IN_NAND
  430. bool "SPL Environment in a NAND device"
  431. depends on !SPL_ENV_IS_NOWHERE
  432. depends on ENV_IS_IN_NAND
  433. default y
  434. help
  435. Similar to ENV_IS_IN_NAND, used for SPL environment.
  436. config SPL_ENV_IS_IN_SPI_FLASH
  437. bool "SPL Environment is in SPI flash"
  438. depends on !SPL_ENV_IS_NOWHERE
  439. depends on ENV_IS_IN_SPI_FLASH
  440. default y
  441. help
  442. Similar to ENV_IS_IN_SPI_FLASH, used for SPL environment.
  443. config SPL_ENV_IS_IN_FLASH
  444. bool "SPL Environment in flash memory"
  445. depends on !SPL_ENV_IS_NOWHERE
  446. depends on ENV_IS_IN_FLASH
  447. default y
  448. help
  449. Similar to ENV_IS_IN_FLASH, used for SPL environment.
  450. endif
  451. if TPL_ENV_SUPPORT
  452. config TPL_ENV_IS_NOWHERE
  453. bool "TPL Environment is not stored"
  454. default y if ENV_IS_NOWHERE
  455. help
  456. Similar to ENV_IS_NOWHERE, used for TPL environment.
  457. config TPL_ENV_IS_IN_MMC
  458. bool "TPL Environment in an MMC device"
  459. depends on !TPL_ENV_IS_NOWHERE
  460. depends on ENV_IS_IN_MMC
  461. default y
  462. help
  463. Similar to ENV_IS_IN_MMC, used for TPL environment.
  464. config TPL_ENV_IS_IN_FAT
  465. bool "TPL Environment is in a FAT filesystem"
  466. depends on !TPL_ENV_IS_NOWHERE
  467. depends on ENV_IS_IN_FAT
  468. default y
  469. help
  470. Similar to ENV_IS_IN_FAT, used for TPL environment.
  471. config TPL_ENV_IS_IN_EXT4
  472. bool "TPL Environment is in a EXT4 filesystem"
  473. depends on !TPL_ENV_IS_NOWHERE
  474. depends on ENV_IS_IN_EXT4
  475. default y
  476. help
  477. Similar to ENV_IS_IN_EXT4, used for TPL environment.
  478. config TPL_ENV_IS_IN_NAND
  479. bool "TPL Environment in a NAND device"
  480. depends on !TPL_ENV_IS_NOWHERE
  481. depends on ENV_IS_IN_NAND
  482. default y
  483. help
  484. Similar to ENV_IS_IN_NAND, used for TPL environment.
  485. config TPL_ENV_IS_IN_SPI_FLASH
  486. bool "TPL Environment is in SPI flash"
  487. depends on !TPL_ENV_IS_NOWHERE
  488. depends on ENV_IS_IN_SPI_FLASH
  489. default y
  490. help
  491. Similar to ENV_IS_IN_SPI_FLASH, used for TPL environment.
  492. config TPL_ENV_IS_IN_FLASH
  493. bool "TPL Environment in flash memory"
  494. depends on !TPL_ENV_IS_NOWHERE
  495. depends on ENV_IS_IN_FLASH
  496. default y
  497. help
  498. Similar to ENV_IS_IN_FLASH, used for TPL environment.
  499. endif
  500. endmenu