edminiv2: increase malloc len to 256K

[people/ms/u-boot.git] / README

diff --git a/README b/README
index 7e52e36527f67a580cbf62f75240a7568d806b96..af76b0ccbfbcd8de8cb9c373555d57e869faf948 100644 (file)
--- a/README
+++ b/README
@@ -383,6 +383,31 @@ The following options need to be configured:
                symbol should be set to the TLB1 entry to be used for this
                purpose.
 
+               CONFIG_SYS_FSL_ERRATUM_A004510
+
+               Enables a workaround for erratum A004510.  If set,
+               then CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV and
+               CONFIG_SYS_FSL_CORENET_SNOOPVEC_COREONLY must be set.
+
+               CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV
+               CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV2 (optional)
+
+               Defines one or two SoC revisions (low 8 bits of SVR)
+               for which the A004510 workaround should be applied.
+
+               The rest of SVR is either not relevant to the decision
+               of whether the erratum is present (e.g. p2040 versus
+               p2041) or is implied by the build target, which controls
+               whether CONFIG_SYS_FSL_ERRATUM_A004510 is set.
+
+               See Freescale App Note 4493 for more information about
+               this erratum.
+
+               CONFIG_SYS_FSL_CORENET_SNOOPVEC_COREONLY
+
+               This is the value to write into CCSR offset 0x18600
+               according to the A004510 workaround.
+
 - Generic CPU options:
                CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN
 
@@ -951,13 +976,20 @@ The following options need to be configured:
                commands like bootm or iminfo. This option is
                automatically enabled when you select CONFIG_CMD_DATE .
 
-- Partition Support:
-               CONFIG_MAC_PARTITION and/or CONFIG_DOS_PARTITION
-               and/or CONFIG_ISO_PARTITION and/or CONFIG_EFI_PARTITION
+- Partition Labels (disklabels) Supported:
+               Zero or more of the following:
+               CONFIG_MAC_PARTITION   Apple's MacOS partition table.
+               CONFIG_DOS_PARTITION   MS Dos partition table, traditional on the
+                                      Intel architecture, USB sticks, etc.
+               CONFIG_ISO_PARTITION   ISO partition table, used on CDROM etc.
+               CONFIG_EFI_PARTITION   GPT partition table, common when EFI is the
+                                      bootloader.  Note 2TB partition limit; see
+                                      disk/part_efi.c
+               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
-               least one partition type as well.
+               least one non-MTD partition type as well.
 
 - IDE Reset method:
                CONFIG_IDE_RESET_ROUTINE - this is defined in several
@@ -1451,6 +1483,12 @@ The following options need to be configured:
                can be displayed via the splashscreen support or the
                bmp command.
 
+- Do compresssing for memory range:
+               CONFIG_CMD_ZIP
+
+               If this option is set, it would use zlib deflate method
+               to compress the specified memory at its best effort.
+
 - Compression support:
                CONFIG_BZIP2
 
@@ -2565,6 +2603,15 @@ FIT uImage format:
                CONFIG_SYS_SPL_MALLOC_SIZE
                The size of the malloc pool used in SPL.
 
+               CONFIG_SPL_FRAMEWORK
+               Enable the SPL framework under common/.  This framework
+               supports MMC, NAND and YMODEM loading of U-Boot and NAND
+               NAND loading of the Linux Kernel.
+
+               CONFIG_SPL_DISPLAY_PRINT
+               For ARM, enable an optional function to print more information
+               about the running system.
+
                CONFIG_SPL_LIBCOMMON_SUPPORT
                Support for common/libcommon.o in SPL binary
 
@@ -2628,6 +2675,9 @@ FIT uImage format:
                CONFIG_SPL_SPI_SUPPORT
                Support for drivers/spi/libspi.o in SPL binary
 
+               CONFIG_SPL_RAM_DEVICE
+               Support for running image already present in ram, in SPL binary
+
                CONFIG_SPL_LIBGENERIC_SUPPORT
                Support for lib/libgeneric.o in SPL binary
 
@@ -3093,12 +3143,12 @@ to save the current settings.
          These two #defines specify the address and size of the
          environment area within the remote memory space. The
          local device can get the environment from remote memory
-         space by SRIO or other links.
+         space by SRIO or PCIE links.
 
 BE CAREFUL! For some special cases, the local device can not use
 "saveenv" command. For example, the local device will get the
-environment stored in a remote NOR flash by SRIO link, but it can
-not erase, write this NOR flash by SRIO interface.
+environment stored in a remote NOR flash by SRIO or PCIE link,
+but it can not erase, write this NOR flash by SRIO or PCIE interface.
 
 - CONFIG_ENV_IS_IN_NAND:
 
@@ -3546,9 +3596,9 @@ within that device.
 - CONFIG_SYS_QE_FMAN_FW_IN_REMOTE
        Specifies that QE/FMAN firmware is located in the remote (master)
        memory space.   CONFIG_SYS_FMAN_FW_ADDR is a virtual address which
-       can be mapped from slave TLB->slave LAW->slave SRIO outbound window
-       ->master inbound window->master LAW->the ucode address in master's
-       NOR flash.
+       can be mapped from slave TLB->slave LAW->slave SRIO or PCIE outbound
+       window->master inbound window->master LAW->the ucode address in
+       master's memory space.
 
 Building the Software:
 ======================