]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - README
sf: Add S25FL128S_256K IDs
[karo-tx-uboot.git] / README
diff --git a/README b/README
index 176de61a331c36582cd6f1c2791e36c5e74ec382..216f0c70aa9403534127dcd256627fa55e12f08e 100644 (file)
--- 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 +471,12 @@ 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
@@ -481,6 +486,22 @@ The following options need to be configured:
                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
 
@@ -896,6 +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...
@@ -916,10 +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
@@ -1718,7 +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
@@ -2841,11 +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
@@ -3427,6 +3470,9 @@ typically in board_init_f() and board_init_r().
 Configuration Settings:
 -----------------------
 
+- CONFIG_SYS_SUPPORT_64BIT_DATA: Defined automatically if compiled as 64-bit.
+               Optionally it can be defined to support 64-bit memory commands.
+
 - CONFIG_SYS_LONGHELP: Defined when you want long help messages included;
                undefine this when you're short of memory.
 
@@ -3699,12 +3745,6 @@ 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