x86: Emit port 80 post codes in show_boot_progress()

[karo-tx-uboot.git] / README

diff --git a/README b/README
index fb9d904a2eab0855879feb14f11359b73f0f5e60..c7aab18efade64faffe29066ad25b0d79794cbe0 100644 (file)
--- a/README
+++ b/README
@@ -363,6 +363,12 @@ The following options need to be configured:
                ICache only when Code runs from RAM.
 
 - 85xx CPU Options:
                ICache only when Code runs from RAM.
 
 - 85xx CPU Options:

+               CONFIG_SYS_PPC64
+
+               Specifies that the core is a 64-bit PowerPC implementation (implements
+               the "64" category of the Power ISA). This is necessary for ePAPR
+               compliance, among other possible reasons.
+

                CONFIG_SYS_FSL_TBCLK_DIV
 
                Defines the core time base clock divider ratio compared to the
                CONFIG_SYS_FSL_TBCLK_DIV
 
                Defines the core time base clock divider ratio compared to the


@@ -383,6 +389,31 @@ The following options need to be configured:
                symbol should be set to the TLB1 entry to be used for this
                purpose.
 
                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
 
 - Generic CPU options:
                CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN
 


@@ -630,6 +661,10 @@ The following options need to be configured:
                                                additional board info beside
                                                the logo
 
                                                additional board info beside
                                                the logo
 

+               When CONFIG_CFB_CONSOLE_ANSI is defined, console will support
+               a limited number of ANSI escape sequences (cursor control,
+               erase functions and limited graphics rendition control).
+

                When CONFIG_CFB_CONSOLE is defined, video console is
                default i/o. Serial console can be forced with
                environment 'console=serial'.
                When CONFIG_CFB_CONSOLE is defined, video console is
                default i/o. Serial console can be forced with
                environment 'console=serial'.


@@ -679,6 +714,8 @@ The following options need to be configured:
 - Boot Delay:  CONFIG_BOOTDELAY - in seconds
                Delay before automatically booting the default image;
                set to -1 to disable autoboot.
 - Boot Delay:  CONFIG_BOOTDELAY - in seconds
                Delay before automatically booting the default image;
                set to -1 to disable autoboot.

+               set to -2 to autoboot with no delay and not check for abort
+               (even when CONFIG_ZERO_BOOTDELAY_CHECK is defined).

 
                See doc/README.autoboot for these options that
                work with CONFIG_BOOTDELAY. None are required.
 
                See doc/README.autoboot for these options that
                work with CONFIG_BOOTDELAY. None are required.


@@ -744,8 +781,8 @@ The following options need to be configured:
 - Monitor Functions:
                Monitor commands can be included or excluded
                from the build by using the #include files
 - Monitor Functions:
                Monitor commands can be included or excluded
                from the build by using the #include files

-               "config_cmd_all.h" and #undef'ing unwanted
-               commands, or using "config_cmd_default.h"
+               <config_cmd_all.h> and #undef'ing unwanted
+               commands, or using <config_cmd_default.h>

                and augmenting with additional #define's
                for wanted commands.
 
                and augmenting with additional #define's
                for wanted commands.
 


@@ -774,9 +811,11 @@ The following options need to be configured:
                CONFIG_CMD_EEPROM       * EEPROM read/write support
                CONFIG_CMD_ELF          * bootelf, bootvx
                CONFIG_CMD_EXPORTENV    * export the environment
                CONFIG_CMD_EEPROM       * EEPROM read/write support
                CONFIG_CMD_ELF          * bootelf, bootvx
                CONFIG_CMD_EXPORTENV    * export the environment

+               CONFIG_CMD_EXT2         * ext2 command support
+               CONFIG_CMD_EXT4         * ext4 command support

                CONFIG_CMD_SAVEENV        saveenv
                CONFIG_CMD_FDC          * Floppy Disk Support
                CONFIG_CMD_SAVEENV        saveenv
                CONFIG_CMD_FDC          * Floppy Disk Support

-               CONFIG_CMD_FAT          * FAT partition 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_FDOS         * Dos diskette Support
                CONFIG_CMD_FLASH          flinfo, erase, protect
                CONFIG_CMD_FPGA           FPGA device initialization support


@@ -789,6 +828,7 @@ The following options need to be configured:
                CONFIG_CMD_IMLS           List all found images
                CONFIG_CMD_IMMAP        * IMMR dump support
                CONFIG_CMD_IMPORTENV    * import an environment
                CONFIG_CMD_IMLS           List all found images
                CONFIG_CMD_IMMAP        * IMMR dump support
                CONFIG_CMD_IMPORTENV    * import an environment

+               CONFIG_CMD_INI          * import data from an ini file into the env

                CONFIG_CMD_IRQ          * irqinfo
                CONFIG_CMD_ITEST          Integer/string test of 2 values
                CONFIG_CMD_JFFS2        * JFFS2 Support
                CONFIG_CMD_IRQ          * irqinfo
                CONFIG_CMD_ITEST          Integer/string test of 2 values
                CONFIG_CMD_JFFS2        * JFFS2 Support


@@ -830,7 +870,8 @@ The following options need to be configured:
                CONFIG_CMD_SPI          * SPI serial bus support
                CONFIG_CMD_TFTPSRV      * TFTP transfer in server mode
                CONFIG_CMD_TFTPPUT      * TFTP put command (upload)
                CONFIG_CMD_SPI          * SPI serial bus support
                CONFIG_CMD_TFTPSRV      * TFTP transfer in server mode
                CONFIG_CMD_TFTPPUT      * TFTP put command (upload)

-               CONFIG_CMD_TIME         * run command and report execution time
+               CONFIG_CMD_TIME         * run command and report execution time (ARM specific)
+               CONFIG_CMD_TIMER        * access to the system tick timer

                CONFIG_CMD_USB          * USB support
                CONFIG_CMD_CDP          * Cisco Discover Protocol support
                CONFIG_CMD_MFSL         * Microblaze FSL support
                CONFIG_CMD_USB          * USB support
                CONFIG_CMD_CDP          * Cisco Discover Protocol support
                CONFIG_CMD_MFSL         * Microblaze FSL support


@@ -907,7 +948,8 @@ The following options need to be configured:
                If this variable is defined, an environment variable
                named "ver" is created by U-Boot showing the U-Boot
                version as printed by the "version" command.
                If this variable is defined, an environment variable
                named "ver" is created by U-Boot showing the U-Boot
                version as printed by the "version" command.

-               This variable is readonly.
+               Any change to this variable will be reverted at the
+               next reset.

 
 - Real-Time Clock:
 
 
 - Real-Time Clock:
 


@@ -950,13 +992,20 @@ The following options need to be configured:
                commands like bootm or iminfo. This option is
                automatically enabled when you select CONFIG_CMD_DATE .
 
                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
 
                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
 
 - IDE Reset method:
                CONFIG_IDE_RESET_ROUTINE - this is defined in several


@@ -996,6 +1045,9 @@ The following options need to be configured:
                devices.
                CONFIG_SYS_SCSI_SYM53C8XX_CCF to fix clock timing (80Mhz)
 
                devices.
                CONFIG_SYS_SCSI_SYM53C8XX_CCF to fix clock timing (80Mhz)
 

+                The environment variable 'scsidevs' is set to the number of
+                SCSI devices found during the last scan.
+

 - NETWORK Support (PCI):
                CONFIG_E1000
                Support for Intel 8254x/8257x gigabit chips.
 - NETWORK Support (PCI):
                CONFIG_E1000
                Support for Intel 8254x/8257x gigabit chips.


@@ -1047,7 +1099,7 @@ The following options need to be configured:
                CONFIG_CALXEDA_XGMAC
                Support for the Calxeda XGMAC device
 
                CONFIG_CALXEDA_XGMAC
                Support for the Calxeda XGMAC device
 

-               CONFIG_DRIVER_LAN91C96
+               CONFIG_LAN91C96

                Support for SMSC's LAN91C96 chips.
 
                        CONFIG_LAN91C96_BASE
                Support for SMSC's LAN91C96 chips.
 
                        CONFIG_LAN91C96_BASE


@@ -1057,7 +1109,7 @@ The following options need to be configured:
                        CONFIG_LAN91C96_USE_32_BIT
                        Define this to enable 32 bit addressing
 
                        CONFIG_LAN91C96_USE_32_BIT
                        Define this to enable 32 bit addressing
 

-               CONFIG_DRIVER_SMC91111
+               CONFIG_SMC91111

                Support for SMSC's LAN91C111 chip
 
                        CONFIG_SMC91111_BASE
                Support for SMSC's LAN91C111 chip
 
                        CONFIG_SMC91111_BASE


@@ -1231,6 +1283,9 @@ The following options need to be configured:
                viewport is supported.
                To enable the ULPI layer support, define CONFIG_USB_ULPI and
                CONFIG_USB_ULPI_VIEWPORT in your board configuration file.
                viewport is supported.
                To enable the ULPI layer support, define CONFIG_USB_ULPI and
                CONFIG_USB_ULPI_VIEWPORT in your board configuration file.

+               If your ULPI phy needs a different reference clock than the
+               standard 24 MHz then you have to define CONFIG_ULPI_REF_CLK to
+               the appropriate value in Hz.

 
 - MMC Support:
                The MMC controller on the Intel PXA is supported. To
 
 - MMC Support:
                The MMC controller on the Intel PXA is supported. To


@@ -1276,6 +1331,13 @@ The following options need to be configured:
                This will also enable the command "fatwrite" enabling the
                user to write files to FAT.
 
                This will also enable the command "fatwrite" enabling the
                user to write files to FAT.
 

+CBFS (Coreboot Filesystem) support
+               CONFIG_CMD_CBFS
+
+               Define this to enable support for reading from a Coreboot
+               filesystem. Available commands are cbfsinit, cbfsinfo, cbfsls
+               and cbfsload.
+

 - Keyboard Support:
                CONFIG_ISA_KEYBOARD
 
 - Keyboard Support:
                CONFIG_ISA_KEYBOARD
 


@@ -1407,6 +1469,11 @@ The following options need to be configured:
                Normally display is black on white background; define
                CONFIG_SYS_WHITE_ON_BLACK to get it inverted.
 
                Normally display is black on white background; define
                CONFIG_SYS_WHITE_ON_BLACK to get it inverted.
 

+               CONFIG_LCD_BMP_RLE8
+
+               Support drawing of RLE8-compressed bitmaps on the LCD.
+
+

 - Splash Screen Support: CONFIG_SPLASH_SCREEN
 
                If this option is set, the environment is checked for
 - Splash Screen Support: CONFIG_SPLASH_SCREEN
 
                If this option is set, the environment is checked for


@@ -1450,6 +1517,12 @@ The following options need to be configured:
                can be displayed via the splashscreen support or the
                bmp command.
 
                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
 
 - Compression support:
                CONFIG_BZIP2
 


@@ -2123,10 +2196,18 @@ The following options need to be configured:
                following board configurations are known to be
                "pRAM-clean":
 
                following board configurations are known to be
                "pRAM-clean":
 

-                       ETX094, IVMS8, IVML24, SPD8xx, TQM8xxL,
-                       HERMES, IP860, RPXlite, LWMON, LANTEC,
+                       IVMS8, IVML24, SPD8xx, TQM8xxL,
+                       HERMES, IP860, RPXlite, LWMON,

                        FLAGADM, TQM8260
 
                        FLAGADM, TQM8260
 

+- Access to physical memory region (> 4GB)
+               Some basic support is provided for operations on memory not
+               normally accessible to U-Boot - e.g. some architectures
+               support access to more than 4GB of memory on 32-bit
+               machines using physical address extension or similar.
+               Define CONFIG_PHYSMEM to access this basic support, which
+               currently only supports clearing the memory.
+

 - Error Recovery:
                CONFIG_PANIC_HANG
 
 - Error Recovery:
                CONFIG_PANIC_HANG
 


@@ -2250,6 +2331,12 @@ The following options need to be configured:
                - CONFIG_SYS_VENDOR
                - CONFIG_SYS_SOC
 
                - CONFIG_SYS_VENDOR
                - CONFIG_SYS_SOC
 

+               CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+
+               Define this in order to add variables describing certain
+               run-time determined information about the hardware to the
+               environment.  These will be named board_name, board_rev.
+

 - DataFlash Support:
                CONFIG_HAS_DATAFLASH
 
 - DataFlash Support:
                CONFIG_HAS_DATAFLASH
 


@@ -2345,6 +2432,31 @@ The following options need to be configured:
                 29,916,167 26,005,792  bootm_start
                 30,361,327    445,160  start_kernel
 
                 29,916,167 26,005,792  bootm_start
                 30,361,327    445,160  start_kernel
 

+               CONFIG_CMD_BOOTSTAGE
+               Add a 'bootstage' command which supports printing a report
+               and un/stashing of bootstage data.
+
+               CONFIG_BOOTSTAGE_FDT
+               Stash the bootstage information in the FDT. A root 'bootstage'
+               node is created with each bootstage id as a child. Each child
+               has a 'name' property and either 'mark' containing the
+               mark time in microsecond, or 'accum' containing the
+               accumulated time for that bootstage id in microseconds.
+               For example:
+
+               bootstage {
+                       154 {
+                               name = "board_init_f";
+                               mark = <3575678>;
+                       };
+                       170 {
+                               name = "lcd";
+                               accum = <33482>;
+                       };
+               };
+
+               Code in the Linux kernel can find this in /proc/devicetree.
+

 Legacy uImage format:
 
   Arg  Where                   When
 Legacy uImage format:
 
   Arg  Where                   When


@@ -2498,6 +2610,17 @@ FIT uImage format:
  -150  common/cmd_nand.c       Incorrect FIT image format
   151  common/cmd_nand.c       FIT image format OK
 
  -150  common/cmd_nand.c       Incorrect FIT image format
   151  common/cmd_nand.c       FIT image format OK
 

+- FIT image support:
+               CONFIG_FIT
+               Enable support for the FIT uImage format.
+
+               CONFIG_FIT_BEST_MATCH
+               When no configuration is explicitly selected, default to the
+               one whose fdt's compatibility field best matches that of
+               U-Boot itself. A match is considered "best" if it matches the
+               most specific compatibility entry of U-Boot's fdt's root node.
+               The order of entries in the configuration's fdt is ignored.
+

 - Standalone program support:
                CONFIG_STANDALONE_LOAD_ADDR
 
 - Standalone program support:
                CONFIG_STANDALONE_LOAD_ADDR
 


@@ -2549,6 +2672,10 @@ FIT uImage format:
                CONFIG_SPL_TEXT_BASE
                TEXT_BASE for linking the SPL binary.
 
                CONFIG_SPL_TEXT_BASE
                TEXT_BASE for linking the SPL binary.
 

+               CONFIG_SPL_RELOC_TEXT_BASE
+               Address to relocate to.  If unspecified, this is equal to
+               CONFIG_SPL_TEXT_BASE (i.e. no relocation is done).
+

                CONFIG_SPL_BSS_START_ADDR
                Link address for the BSS within the SPL binary.
 
                CONFIG_SPL_BSS_START_ADDR
                Link address for the BSS within the SPL binary.
 


@@ -2558,12 +2685,29 @@ FIT uImage format:
                CONFIG_SPL_STACK
                Adress of the start of the stack SPL will use
 
                CONFIG_SPL_STACK
                Adress of the start of the stack SPL will use
 

+               CONFIG_SPL_RELOC_STACK
+               Adress of the start of the stack SPL will use after
+               relocation.  If unspecified, this is equal to
+               CONFIG_SPL_STACK.
+

                CONFIG_SYS_SPL_MALLOC_START
                Starting address of the malloc pool used in SPL.
 
                CONFIG_SYS_SPL_MALLOC_SIZE
                The size of the malloc pool used in SPL.
 
                CONFIG_SYS_SPL_MALLOC_START
                Starting address of the malloc pool used in SPL.
 
                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_INIT_MINIMAL
+               Arch init code should be built for a very small image
+

                CONFIG_SPL_LIBCOMMON_SUPPORT
                Support for common/libcommon.o in SPL binary
 
                CONFIG_SPL_LIBCOMMON_SUPPORT
                Support for common/libcommon.o in SPL binary
 


@@ -2591,8 +2735,19 @@ FIT uImage format:
                CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME
                Filename to read to load U-Boot when reading from FAT
 
                CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME
                Filename to read to load U-Boot when reading from FAT
 

+               CONFIG_SPL_NAND_BASE
+               Include nand_base.c in the SPL.  Requires
+               CONFIG_SPL_NAND_DRIVERS.
+
+               CONFIG_SPL_NAND_DRIVERS
+               SPL uses normal NAND drivers, not minimal drivers.
+
+               CONFIG_SPL_NAND_ECC
+               Include standard software ECC in the SPL
+

                CONFIG_SPL_NAND_SIMPLE
                CONFIG_SPL_NAND_SIMPLE

-               Support for drivers/mtd/nand/libnand.o in SPL binary
+               Support for NAND boot using simple NAND drivers that
+               expose the cmd_ctrl() interface.

 
                CONFIG_SYS_NAND_5_ADDR_CYCLE, CONFIG_SYS_NAND_PAGE_COUNT,
                CONFIG_SYS_NAND_PAGE_SIZE, CONFIG_SYS_NAND_OOBSIZE,
 
                CONFIG_SYS_NAND_5_ADDR_CYCLE, CONFIG_SYS_NAND_PAGE_COUNT,
                CONFIG_SYS_NAND_PAGE_SIZE, CONFIG_SYS_NAND_OOBSIZE,


@@ -2600,15 +2755,19 @@ FIT uImage format:
                CONFIG_SYS_NAND_ECCPOS, CONFIG_SYS_NAND_ECCSIZE,
                CONFIG_SYS_NAND_ECCBYTES
                Defines the size and behavior of the NAND that SPL uses
                CONFIG_SYS_NAND_ECCPOS, CONFIG_SYS_NAND_ECCSIZE,
                CONFIG_SYS_NAND_ECCBYTES
                Defines the size and behavior of the NAND that SPL uses

-               to read U-Boot with CONFIG_SPL_NAND_SIMPLE
+               to read U-Boot

 
                CONFIG_SYS_NAND_U_BOOT_OFFS
 
                CONFIG_SYS_NAND_U_BOOT_OFFS

-               Location in NAND for CONFIG_SPL_NAND_SIMPLE to read U-Boot
-               from.
+               Location in NAND to read U-Boot from
+
+               CONFIG_SYS_NAND_U_BOOT_DST
+               Location in memory to load U-Boot to
+
+               CONFIG_SYS_NAND_U_BOOT_SIZE
+               Size of image to load

 
                CONFIG_SYS_NAND_U_BOOT_START
 
                CONFIG_SYS_NAND_U_BOOT_START

-               Location in memory for CONFIG_SPL_NAND_SIMPLE to load U-Boot
-               to.
+               Entry point in loaded image to jump to

 
                CONFIG_SYS_NAND_HW_ECC_OOBFIRST
                Define this if you need to first read the OOB and then the
 
                CONFIG_SYS_NAND_HW_ECC_OOBFIRST
                Define this if you need to first read the OOB and then the


@@ -2627,9 +2786,17 @@ FIT uImage format:
                CONFIG_SPL_SPI_SUPPORT
                Support for drivers/spi/libspi.o in SPL binary
 
                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
 
                CONFIG_SPL_LIBGENERIC_SUPPORT
                Support for lib/libgeneric.o in SPL binary
 

+               CONFIG_SPL_TARGET
+               Final target image containing SPL and payload.  Some SPLs
+               use an arch-specific makefile fragment instead, for
+               example if more than one image needs to be produced.
+

 Modem Support:
 --------------
 
 Modem Support:
 --------------
 


@@ -3092,12 +3259,12 @@ 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
          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
 
 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:
 
 
 - CONFIG_ENV_IS_IN_NAND:
 


@@ -3377,6 +3544,13 @@ Low Level (hardware related) configuration options:
                Disable PCI-Express on systems where it is supported but not
                required.
 
                Disable PCI-Express on systems where it is supported but not
                required.
 

+- CONFIG_PCI_ENUM_ONLY
+               Only scan through and get the devices on the busses.
+               Don't do any setup work, presumably because someone or
+               something has already done it, and we don't need to do it
+               a second time.  Useful for platforms that are pre-booted
+               by coreboot or similar.
+

 - CONFIG_SYS_SRIO:
                Chip has SRIO or not
 
 - CONFIG_SYS_SRIO:
                Chip has SRIO or not
 


@@ -3498,6 +3672,16 @@ Low Level (hardware related) configuration options:
                be used if available. These functions may be faster under some
                conditions but may increase the binary size.
 
                be used if available. These functions may be faster under some
                conditions but may increase the binary size.
 

+- CONFIG_X86_NO_RESET_VECTOR
+               If defined, the x86 reset vector code is excluded. You will need
+               to do this when U-Boot is running from Coreboot.
+
+- CONFIG_X86_NO_REAL_MODE
+               If defined, x86 real mode code is omitted. This assumes a
+               32-bit environment where such code is not needed. You will
+               need to do this when U-Boot is running from Coreboot.
+
+

 Freescale QE/FMAN Firmware Support:
 -----------------------------------
 
 Freescale QE/FMAN Firmware Support:
 -----------------------------------
 


@@ -3538,9 +3722,9 @@ 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
 - 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:
 ======================
 
 Building the Software:
 ======================


@@ -3725,6 +3909,7 @@ saveenv - save environment variables to persistent storage
 protect - enable or disable FLASH write protection
 erase  - erase FLASH memory
 flinfo - print FLASH memory information
 protect - enable or disable FLASH write protection
 erase  - erase FLASH memory
 flinfo - print FLASH memory information

+nand   - NAND memory operations (see doc/README.nand)

 bdinfo - print Board Info structure
 iminfo - print header information for application image
 coninfo - print console devices and informations
 bdinfo - print Board Info structure
 iminfo - print header information for application image
 coninfo - print console devices and informations


@@ -4630,7 +4815,10 @@ Over time, many people have reported problems when trying to use the
 consider minicom to be broken, and recommend not to use it. Under
 Unix, I recommend to use C-Kermit for general purpose use (and
 especially for kermit binary protocol download ("loadb" command), and
 consider minicom to be broken, and recommend not to use it. Under
 Unix, I recommend to use C-Kermit for general purpose use (and
 especially for kermit binary protocol download ("loadb" command), and

-use "cu" for S-Record download ("loads" command).
+use "cu" for S-Record download ("loads" command).  See
+http://www.denx.de/wiki/view/DULG/SystemSetup#Section_4.3.
+for help with kermit.
+

 
 Nevertheless, if you absolutely want to use it try adding this
 configuration to your "File transfer protocols" section:
 
 Nevertheless, if you absolutely want to use it try adding this
 configuration to your "File transfer protocols" section: