X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=README;h=1d0b946977b22cc9a746515d4a9779b68b6bd64b;hb=6ff36d21746d61d7a2af08ea0bd973059d91d306;hp=523941f804a200929f168cd7769b3dd776967f38;hpb=e6de55ec5bf306df3b3cc8e7a4cc17fa1e78ca6c;p=oweals%2Fu-boot.git diff --git a/README b/README index 523941f804..1d0b946977 100644 --- a/README +++ b/README @@ -1003,6 +1003,7 @@ The following options need to be configured: CONFIG_CMD_ECHO echo arguments CONFIG_CMD_EDITENV edit env variable CONFIG_CMD_EEPROM * EEPROM read/write support + CONFIG_CMD_EEPROM_LAYOUT* EEPROM layout aware commands CONFIG_CMD_ELF * bootelf, bootvx CONFIG_CMD_ENV_CALLBACK * display details about env callbacks CONFIG_CMD_ENV_FLAGS * display details about env flags @@ -1066,7 +1067,7 @@ The following options need to be configured: CONFIG_CMD_RUN run command in env variable CONFIG_CMD_SANDBOX * sb command to access sandbox features CONFIG_CMD_SAVES * save S record dump - CONFIG_CMD_SCSI * SCSI Support + CONFIG_SCSI * SCSI Support CONFIG_CMD_SDRAM * print SDRAM configuration information (requires CONFIG_CMD_I2C) CONFIG_CMD_SETGETDCR Support for DCR Register access @@ -1108,6 +1109,14 @@ The following options need to be configured: XXX - this list needs to get updated! +- Removal of commands + If no commands are needed to boot, you can disable + CONFIG_CMDLINE to remove them. In this case, the command line + will not be available, and when U-Boot wants to execute the + boot command (on start-up) it will call board_run_command() + instead. This can reduce image size significantly for very + simple boot procedures. + - Regular expression support: CONFIG_REGEX If this variable is defined, U-Boot is linked against @@ -1246,7 +1255,7 @@ The following options need to be configured: CONFIG_MTD_PARTITIONS Memory Technology Device partition table. If IDE or SCSI support is enabled (CONFIG_CMD_IDE or - CONFIG_CMD_SCSI) you must configure support for at + CONFIG_SCSI) you must configure support for at least one non-MTD partition type as well. - IDE Reset method: @@ -1794,7 +1803,7 @@ CBFS (Coreboot Filesystem) support The DIU driver will look for the 'video-mode' environment variable, and if defined, enable the DIU as a console during - boot. See the documentation file README.video for a + boot. See the documentation file doc/README.video for a description of this variable. - LCD Support: CONFIG_LCD @@ -1908,7 +1917,7 @@ CBFS (Coreboot Filesystem) support If this option is set, then U-Boot will prevent the environment variable "splashimage" from being set to a problematic address - (see README.displaying-bmps). + (see doc/README.displaying-bmps). This option is useful for targets where, due to alignment restrictions, an improperly aligned BMP image will cause a data abort. If you think you will not have problems with unaligned @@ -3479,6 +3488,10 @@ FIT uImage format: consider that a completely unreadable NAND block is bad, and thus should be skipped silently. + CONFIG_SPL_ABORT_ON_RAW_IMAGE + When defined, SPL will proceed to another boot method + if the image it has loaded does not have a signature. + CONFIG_SPL_RELOC_STACK Adress of the start of the stack SPL will use after relocation. If unspecified, this is equal to @@ -4035,16 +4048,6 @@ Configuration Settings: If defined, don't allow the -f switch to env set override variable access flags. -- CONFIG_SYS_GENERIC_BOARD - This selects the architecture-generic board system instead of the - architecture-specific board files. It is intended to move boards - to this new framework over time. Defining this will disable the - arch/foo/lib/board.c file and use common/board_f.c and - common/board_r.c instead. To use this option your architecture - must support it (i.e. must select HAVE_GENERIC_BOARD in arch/Kconfig). - If you find problems enabling this option on your board please report - the problem and send patches! - - CONFIG_OMAP_PLATFORM_RESET_TIME_MAX_USEC (OMAP only) This is set by OMAP boards for the max time that reset should be asserted. See doc/README.omap-reset-time for details on how