X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=d832bcbb7c62e5bef5dbac9d36ebc6c4a6e60495;hb=cce717a96c5840b0cf33e30c87fb1f2b8d633ee3;hp=14c83f4bb1796698e3a88b192a390395c51febeb;hpb=8dc16cf9dd6196d99969d12741df186a61a2f9a3;p=u-boot diff --git a/README b/README index 14c83f4bb1..d832bcbb7c 100644 --- a/README +++ b/README @@ -898,6 +898,7 @@ The following options need to be configured: CONFIG_CMD_SF * Read/write/erase SPI NOR flash CONFIG_CMD_SHA1SUM print sha1 memory digest (requires CONFIG_CMD_MEMORY) + CONFIG_CMD_SOFTSWITCH * Soft switch setting command for BF60x CONFIG_CMD_SOURCE "source" command Support CONFIG_CMD_SPI * SPI serial bus support CONFIG_CMD_TFTPSRV * TFTP transfer in server mode @@ -930,6 +931,13 @@ The following options need to be configured: XXX - this list needs to get updated! +- Regular expression support: + CONFIG_REGEX + If this variable is defined, U-Boot is linked against + the SLRE (Super Light Regular Expression) library, + which adds regex support to some commands, as for + example "env grep" and "setexpr". + - Device tree: CONFIG_OF_CONTROL If this variable is defined, U-Boot will use a device tree @@ -2831,8 +2839,18 @@ FIT uImage format: CONFIG_SPL_LDSCRIPT LDSCRIPT for linking the SPL binary. + CONFIG_SPL_MAX_FOOTPRINT + Maximum size in memory allocated to the SPL, BSS included. + When defined, the linker checks that the actual memory + used by SPL from _start to __bss_end does not exceed it. + CONFIG_SPL_MAX_FOOTPRINT and CONFIG_SPL_BSS_MAX_SIZE + must not be both defined at the same time. + CONFIG_SPL_MAX_SIZE - Maximum binary size (text, data and rodata) of the SPL binary. + Maximum size of the SPL image (text, data, rodata, and + linker lists sections), BSS excluded. + When defined, the linker checks that the actual size does + not exceed it. CONFIG_SPL_TEXT_BASE TEXT_BASE for linking the SPL binary. @@ -2845,7 +2863,11 @@ FIT uImage format: Link address for the BSS within the SPL binary. CONFIG_SPL_BSS_MAX_SIZE - Maximum binary size of the BSS section of the SPL binary. + Maximum size in memory allocated to the SPL BSS. + When defined, the linker checks that the actual memory used + by SPL from __bss_start to __bss_end does not exceed it. + CONFIG_SPL_MAX_FOOTPRINT and CONFIG_SPL_BSS_MAX_SIZE + must not be both defined at the same time. CONFIG_SPL_STACK Adress of the start of the stack SPL will use @@ -2975,6 +2997,12 @@ FIT uImage format: use an arch-specific makefile fragment instead, for example if more than one image needs to be produced. + CONFIG_FIT_SPL_PRINT + Printing information about a FIT image adds quite a bit of + code to SPL. So this is normally disabled in SPL. Use this + option to re-enable it. This will affect the output of the + bootm command when booting a FIT image. + Modem Support: -------------- @@ -3234,6 +3262,15 @@ Configuration Settings: digits and dots. Recommended value: 45 (9..1) for 80 column displays, 15 (3..1) for 40 column displays. +- CONFIG_FLASH_VERIFY + If defined, the content of the flash (destination) is compared + against the source after the write operation. An error message + will be printed when the contents are not identical. + Please note that this option is useless in nearly all cases, + since such flash programming errors usually are detected earlier + while unprotecting/erasing/programming. Please only enable + this option if you really know what you are doing. + - CONFIG_SYS_RX_ETH_BUFFER: Defines the number of Ethernet receive buffers. On some Ethernet controllers it is recommended to set this value