X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=README;h=ff4926040b5dea46117edb7d34a8d798b1c44390;hp=aea82be5b3e6e4ed8a7513081403016a0685ede1;hb=eeb72e67619b98d2502fe634a3a5d9953de92ad0;hpb=b902e07cea51e33fbe36453f7b1412dd7bbe760f diff --git a/README b/README index aea82be5b3..ff4926040b 100644 --- a/README +++ b/README @@ -141,7 +141,6 @@ Directory Hierarchy: /s3c24x0 Files specific to Samsung S3C24X0 CPUs /arm926ejs Files specific to ARM 926 CPUs /arm1136 Files specific to ARM 1136 CPUs - /ixp Files specific to Intel XScale IXP CPUs /pxa Files specific to Intel XScale PXA CPUs /sa1100 Files specific to Intel StrongARM SA1100 CPUs /lib Architecture specific library files @@ -472,6 +471,37 @@ The following options need to be configured: Board config to use DDR3. It can be enabled for SoCs with Freescale DDR3 controllers. + CONFIG_SYS_FSL_IFC_BE + Defines the IFC controller register space as Big Endian + + CONFIG_SYS_FSL_IFC_LE + Defines the IFC controller register space as Little Endian + + CONFIG_SYS_FSL_PBL_PBI + It enables addition of RCW (Power on reset configuration) in built image. + Please refer doc/README.pblimage for more details + + CONFIG_SYS_FSL_PBL_RCW + It adds PBI(pre-boot instructions) commands in u-boot build image. + PBI commands can be used to configure SoC before it starts the execution. + Please refer doc/README.pblimage for more details + + CONFIG_SYS_FSL_DDR_BE + Defines the DDR controller register space as Big Endian + + CONFIG_SYS_FSL_DDR_LE + Defines the DDR controller register space as Little Endian + + CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY + Physical address from the view of DDR controllers. It is the + same as CONFIG_SYS_DDR_SDRAM_BASE for all Power SoCs. But + it could be different for ARM SoCs. + + CONFIG_SYS_FSL_DDR_INTLV_256B + DDR controller interleaving on 256-byte. This is a special + interleaving mode, handled by Dickens for Freescale layerscape + SoCs with ARM core. + - Intel Monahans options: CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO @@ -887,6 +917,7 @@ The following options need to be configured: CONFIG_CMD_BSP * Board specific commands CONFIG_CMD_BOOTD bootd CONFIG_CMD_CACHE * icache, dcache + CONFIG_CMD_CLK * clock command support CONFIG_CMD_CONSOLE coninfo CONFIG_CMD_CRC32 * crc32 CONFIG_CMD_DATE * support for RTC, date/time... @@ -907,10 +938,11 @@ The following options need to be configured: CONFIG_CMD_EXPORTENV * export the environment CONFIG_CMD_EXT2 * ext2 command support CONFIG_CMD_EXT4 * ext4 command support + CONFIG_CMD_FS_GENERIC * filesystem commands (e.g. load, ls) + that work for multiple fs types CONFIG_CMD_SAVEENV saveenv CONFIG_CMD_FDC * Floppy Disk Support CONFIG_CMD_FAT * FAT command support - CONFIG_CMD_FDOS * Dos diskette Support CONFIG_CMD_FLASH flinfo, erase, protect CONFIG_CMD_FPGA FPGA device initialization support CONFIG_CMD_FUSE * Device fuse support @@ -1709,7 +1741,7 @@ 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 and README.arm-unaligned-accesses). + (see 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 @@ -2832,11 +2864,31 @@ CBFS (Coreboot Filesystem) support CONFIG_RSA This enables the RSA algorithm used for FIT image verification - in U-Boot. See doc/uImage/signature for more information. + in U-Boot. See doc/uImage.FIT/signature.txt for more information. The signing part is build into mkimage regardless of this option. +- bootcount support: + CONFIG_BOOTCOUNT_LIMIT + + This enables the bootcounter support, see: + http://www.denx.de/wiki/DULG/UBootBootCountLimit + + CONFIG_AT91SAM9XE + enable special bootcounter support on at91sam9xe based boards. + CONFIG_BLACKFIN + enable special bootcounter support on blackfin based boards. + CONFIG_SOC_DA8XX + enable special bootcounter support on da850 based boards. + CONFIG_BOOTCOUNT_RAM + enable support for the bootcounter in RAM + CONFIG_BOOTCOUNT_I2C + enable support for the bootcounter on an i2c (like RTC) device. + CONFIG_SYS_I2C_RTC_ADDR = i2c chip address + CONFIG_SYS_BOOTCOUNT_ADDR = i2c addr which is used for + the bootcounter. + CONFIG_BOOTCOUNT_ALEN = address len - Show boot progress: CONFIG_SHOW_BOOT_PROGRESS @@ -3690,12 +3742,6 @@ Configuration Settings: its config.mk file). If you find problems enabling this option on your board please report the problem and send patches! -- CONFIG_SYS_SYM_OFFSETS - This is set by architectures that use offsets for link symbols - instead of absolute values. So bss_start is obtained using an - offset _bss_start_ofs from CONFIG_SYS_TEXT_BASE, rather than - directly. You should not need to touch this setting. - - 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