]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - README
Fix Makefile dependency problem with parallel builds.
[karo-tx-uboot.git] / README
diff --git a/README b/README
index a45181961d284e0bac73bddebf61c68b74344072..f2a4914923876bead95b28d8d55caf3c87221353 100644 (file)
--- a/README
+++ b/README
@@ -136,6 +136,8 @@ Directory Hierarchy:
   - i386       Files specific to i386 CPUs
   - ixp                Files specific to Intel XScale IXP CPUs
   - mcf52x2    Files specific to Freescale ColdFire MCF52x2 CPUs
+  - mcf532x    Files specific to Freescale ColdFire MCF5329 CPUs
+  - mcf5445x   Files specific to Freescale ColdFire MCF5445x CPUs
   - mips       Files specific to MIPS CPUs
   - mpc5xx     Files specific to Freescale MPC5xx  CPUs
   - mpc5xxx    Files specific to Freescale MPC5xxx CPUs
@@ -228,118 +230,12 @@ build a config tool - later.
 
 The following options need to be configured:
 
-- CPU Type:    Define exactly one of
-
-               PowerPC based CPUs:
-               -------------------
-               CONFIG_MPC823,  CONFIG_MPC850,  CONFIG_MPC855,  CONFIG_MPC860
-       or      CONFIG_MPC5xx
-       or      CONFIG_MPC8220
-       or      CONFIG_MPC824X, CONFIG_MPC8260
-       or      CONFIG_MPC85xx
-       or      CONFIG_IOP480
-       or      CONFIG_405GP
-       or      CONFIG_405EP
-       or      CONFIG_440
-       or      CONFIG_MPC74xx
-       or      CONFIG_750FX
-
-               ARM based CPUs:
-               ---------------
-               CONFIG_SA1110
-               CONFIG_ARM7
-               CONFIG_PXA250
-               CONFIG_CPU_MONAHANS
-
-               MicroBlaze based CPUs:
-               ----------------------
-               CONFIG_MICROBLAZE
-
-               Nios-2 based CPUs:
-               ----------------------
-               CONFIG_NIOS2
-
-               AVR32 based CPUs:
-               ----------------------
-               CONFIG_AT32AP
-
-- Board Type:  Define exactly one of
-
-               PowerPC based boards:
-               ---------------------
-
-               CONFIG_ADCIOP           CONFIG_FPS860L          CONFIG_OXC
-               CONFIG_ADS860           CONFIG_GEN860T          CONFIG_PCI405
-               CONFIG_AMX860           CONFIG_GENIETV          CONFIG_PCIPPC2
-               CONFIG_AP1000           CONFIG_GTH              CONFIG_PCIPPC6
-               CONFIG_AR405            CONFIG_gw8260           CONFIG_pcu_e
-               CONFIG_BAB7xx           CONFIG_hermes           CONFIG_PIP405
-               CONFIG_BC3450           CONFIG_hymod            CONFIG_PM826
-               CONFIG_c2mon            CONFIG_IAD210           CONFIG_ppmc8260
-               CONFIG_CANBT            CONFIG_ICU862           CONFIG_QS823
-               CONFIG_CCM              CONFIG_IP860            CONFIG_QS850
-               CONFIG_CMI              CONFIG_IPHASE4539       CONFIG_QS860T
-               CONFIG_cogent_mpc8260   CONFIG_IVML24           CONFIG_RBC823
-               CONFIG_cogent_mpc8xx    CONFIG_IVML24_128       CONFIG_RPXClassic
-               CONFIG_CPCI405          CONFIG_IVML24_256       CONFIG_RPXlite
-               CONFIG_CPCI4052         CONFIG_IVMS8            CONFIG_RPXsuper
-               CONFIG_CPCIISER4        CONFIG_IVMS8_128        CONFIG_rsdproto
-               CONFIG_CPU86            CONFIG_IVMS8_256        CONFIG_sacsng
-               CONFIG_CRAYL1           CONFIG_JSE              CONFIG_Sandpoint8240
-               CONFIG_CSB272           CONFIG_LANTEC           CONFIG_Sandpoint8245
-               CONFIG_CU824            CONFIG_LITE5200B        CONFIG_sbc8260
-               CONFIG_DASA_SIM         CONFIG_lwmon            CONFIG_sbc8560
-               CONFIG_DB64360          CONFIG_MBX              CONFIG_SM850
-               CONFIG_DB64460          CONFIG_MBX860T          CONFIG_SPD823TS
-               CONFIG_DU405            CONFIG_MHPC             CONFIG_STXGP3
-               CONFIG_DUET_ADS         CONFIG_MIP405           CONFIG_SXNI855T
-               CONFIG_EBONY            CONFIG_MOUSSE           CONFIG_TQM823L
-               CONFIG_ELPPC            CONFIG_MPC8260ADS       CONFIG_TQM8260
-               CONFIG_ELPT860          CONFIG_MPC8540ADS       CONFIG_TQM850L
-               CONFIG_ep8260           CONFIG_MPC8540EVAL      CONFIG_TQM855L
-               CONFIG_ERIC             CONFIG_MPC8560ADS       CONFIG_TQM860L
-               CONFIG_ESTEEM192E       CONFIG_MUSENKI          CONFIG_TTTech
-               CONFIG_ETX094           CONFIG_MVS1             CONFIG_UTX8245
-               CONFIG_EVB64260         CONFIG_NETPHONE         CONFIG_V37
-               CONFIG_FADS823          CONFIG_NETTA            CONFIG_W7OLMC
-               CONFIG_FADS850SAR       CONFIG_NETVIA           CONFIG_W7OLMG
-               CONFIG_FADS860T         CONFIG_NX823            CONFIG_WALNUT
-               CONFIG_FLAGADM          CONFIG_OCRTC            CONFIG_ZPC1900
-               CONFIG_FPS850L          CONFIG_ORSG             CONFIG_ZUMA
-
-               ARM based boards:
-               -----------------
-
-               CONFIG_ARMADILLO,       CONFIG_AT91RM9200DK,    CONFIG_CERF250,
-               CONFIG_CSB637,          CONFIG_DELTA,           CONFIG_DNP1110,
-               CONFIG_EP7312,          CONFIG_H2_OMAP1610,     CONFIG_HHP_CRADLE,
-               CONFIG_IMPA7,       CONFIG_INNOVATOROMAP1510,   CONFIG_INNOVATOROMAP1610,
-               CONFIG_KB9202,          CONFIG_LART,            CONFIG_LPD7A400,
-               CONFIG_LUBBOCK,         CONFIG_OSK_OMAP5912,    CONFIG_OMAP2420H4,
-               CONFIG_PLEB2,           CONFIG_SHANNON,         CONFIG_P2_OMAP730,
-               CONFIG_SMDK2400,        CONFIG_SMDK2410,        CONFIG_TRAB,
-               CONFIG_VCMA9
-
-               MicroBlaze based boards:
-               ------------------------
-
-               CONFIG_SUZAKU
-
-               Nios-2 based boards:
-               ------------------------
-
-               CONFIG_PCI5441 CONFIG_PK1C20
-               CONFIG_EP1C20 CONFIG_EP1S10 CONFIG_EP1S40
-
-               AVR32 based boards:
-               -------------------
-
-               CONFIG_ATSTK1000
+- CPU Type:    Define exactly one, e.g. CONFIG_MPC85XX.
 
-- CPU Daughterboard Type: (if CONFIG_ATSTK1000 is defined)
-               Define exactly one of
-               CONFIG_ATSTK1002
+- Board Type:  Define exactly one, e.g. CONFIG_MPC8540ADS.
 
+- CPU Daughterboard Type: (if CONFIG_ATSTK1000 is defined)
+               Define exactly one, e.g. CONFIG_ATSTK1002
 
 - CPU Module Type: (if CONFIG_COGENT is defined)
                Define exactly one of
@@ -440,7 +336,7 @@ The following options need to be configured:
                CONFIG_OF_LIBFDT
                 * New libfdt-based support
                 * Adds the "fdt" command
-                * The bootm command does _not_ modify the fdt
+                * The bootm command automatically updates the fdt
 
                CONFIG_OF_FLAT_TREE
                 * Deprecated, see CONFIG_OF_LIBFDT
@@ -449,15 +345,13 @@ The following options need to be configured:
                 * The environment variable "disable_of", when set,
                     disables this functionality.
 
-               CONFIG_OF_FLAT_TREE_MAX_SIZE
-
-               The maximum size of the constructed OF tree.
-
                OF_CPU - The proper name of the cpus node.
                OF_SOC - The proper name of the soc node.
                OF_TBCLK - The timebase frequency.
                OF_STDOUT_PATH - The path to the console device
 
+               boards with QUICC Engines require OF_QE to set UCC mac addresses
+
                CONFIG_OF_HAS_BD_T
 
                 * CONFIG_OF_LIBFDT - enables the "fdt bd_t" command
@@ -467,7 +361,7 @@ The following options need to be configured:
 
                CONFIG_OF_HAS_UBOOT_ENV
 
-                * CONFIG_OF_LIBFDT - enables the "fdt bd_t" command
+                * CONFIG_OF_LIBFDT - enables the "fdt env" command
                 * CONFIG_OF_FLAT_TREE - The resulting flat device tree
                     will have a copy of u-boot's environment variables
 
@@ -893,6 +787,71 @@ The following options need to be configured:
                        CONFIG_USB_CONFIG
                                for differential drivers: 0x00001000
                                for single ended drivers: 0x00005000
+                       CFG_USB_EVENT_POLL
+                               May be defined to allow interrupt polling
+                               instead of using asynchronous interrupts
+
+- USB Device:
+               Define the below if you wish to use the USB console.
+               Once firmware is rebuilt from a serial console issue the
+               command "setenv stdin usbtty; setenv stdout usbtty" and
+               attach your usb cable. The Unix command "dmesg" should print
+               it has found a new device. The environment variable usbtty
+               can be set to gserial or cdc_acm to enable your device to
+               appear to a USB host as a Linux gserial device or a
+               Common Device Class Abstract Control Model serial device.
+               If you select usbtty = gserial you should be able to enumerate
+               a Linux host by
+               # modprobe usbserial vendor=0xVendorID product=0xProductID
+               else if using cdc_acm, simply setting the environment
+               variable usbtty to be cdc_acm should suffice. The following
+               might be defined in YourBoardName.h
+
+                       CONFIG_USB_DEVICE
+                       Define this to build a UDC device
+
+                       CONFIG_USB_TTY
+                       Define this to have a tty type of device available to
+                       talk to the UDC device
+
+                       CFG_CONSOLE_IS_IN_ENV
+                       Define this if you want stdin, stdout &/or stderr to
+                       be set to usbtty.
+
+                       mpc8xx:
+                               CFG_USB_EXTC_CLK 0xBLAH
+                               Derive USB clock from external clock "blah"
+                               - CFG_USB_EXTC_CLK 0x02
+
+                               CFG_USB_BRG_CLK 0xBLAH
+                               Derive USB clock from brgclk
+                               - CFG_USB_BRG_CLK 0x04
+
+               If you have a USB-IF assigned VendorID then you may wish to
+               define your own vendor specific values either in BoardName.h
+               or directly in usbd_vendor_info.h. If you don't define
+               CONFIG_USBD_MANUFACTURER, CONFIG_USBD_PRODUCT_NAME,
+               CONFIG_USBD_VENDORID and CONFIG_USBD_PRODUCTID, then U-Boot
+               should pretend to be a Linux device to it's target host.
+
+                       CONFIG_USBD_MANUFACTURER
+                       Define this string as the name of your company for
+                       - CONFIG_USBD_MANUFACTURER "my company"
+
+                       CONFIG_USBD_PRODUCT_NAME
+                       Define this string as the name of your product
+                       - CONFIG_USBD_PRODUCT_NAME "acme usb device"
+
+                       CONFIG_USBD_VENDORID
+                       Define this as your assigned Vendor ID from the USB
+                       Implementors Forum. This *must* be a genuine Vendor ID
+                       to avoid polluting the USB namespace.
+                       - CONFIG_USBD_VENDORID 0xFFFF
+
+                       CONFIG_USBD_PRODUCTID
+                       Define this as the unique Product ID
+                       for your device
+                       - CONFIG_USBD_PRODUCTID 0xFFFF
 
 
 - MMC Support:
@@ -965,7 +924,7 @@ The following options need to be configured:
                (i.e. setenv videomode 317; saveenv; reset;)
 
                - "videomode=bootargs" all the video parameters are parsed
-               from the bootargs. (See drivers/videomodes.c)
+               from the bootargs. (See drivers/video/videomodes.c)
 
 
                CONFIG_VIDEO_SED13806
@@ -1105,6 +1064,16 @@ The following options need to be configured:
                Defines a default value for theIP address of a TFTP
                server to contact when using the "tftboot" command.
 
+- Multicast TFTP Mode:
+               CONFIG_MCAST_TFTP
+
+               Defines whether you want to support multicast TFTP as per
+               rfc-2090; for example to work with atftp.  Lets lots of targets
+               tftp down the same boot image concurrently.  Note: the ethernet
+               driver in use must provide a function: mcast() to join/leave a
+               multicast group.
+
+               CONFIG_BOOTP_RANDOM_DELAY
 - BOOTP Recovery Mode:
                CONFIG_BOOTP_RANDOM_DELAY
 
@@ -1116,7 +1085,7 @@ The following options need to be configured:
                boot, thus flooding the BOOTP server. Defining
                CONFIG_BOOTP_RANDOM_DELAY causes a random delay to be
                inserted before sending out BOOTP requests. The
-               following delays are insterted then:
+               following delays are inserted then:
 
                1st BOOTP request:      delay 0 ... 1 sec
                2nd BOOTP request:      delay 0 ... 2 sec
@@ -1125,10 +1094,24 @@ The following options need to be configured:
                BOOTP requests:         delay 0 ... 8 sec
 
 - DHCP Advanced Options:
-               CONFIG_BOOTP_MASK
-
-               You can fine tune the DHCP functionality by adding
-               these flags to the CONFIG_BOOTP_MASK define:
+               You can fine tune the DHCP functionality by defining
+               CONFIG_BOOTP_* symbols:
+
+               CONFIG_BOOTP_SUBNETMASK
+               CONFIG_BOOTP_GATEWAY
+               CONFIG_BOOTP_HOSTNAME
+               CONFIG_BOOTP_NISDOMAIN
+               CONFIG_BOOTP_BOOTPATH
+               CONFIG_BOOTP_BOOTFILESIZE
+               CONFIG_BOOTP_DNS
+               CONFIG_BOOTP_DNS2
+               CONFIG_BOOTP_SEND_HOSTNAME
+               CONFIG_BOOTP_NTPSERVER
+               CONFIG_BOOTP_TIMEOFFSET
+               CONFIG_BOOTP_VENDOREX
+
+               CONFIG_BOOTP_SERVERIP - TFTP server will be the serverip
+               environment variable, not the BOOTP server.
 
                CONFIG_BOOTP_DNS2 - If a DHCP client requests the DNS
                serverip from a DHCP server, it is possible that more
@@ -1137,15 +1120,14 @@ The following options need to be configured:
                serverip will be stored in the additional environment
                variable "dnsip2". The first DNS serverip is always
                stored in the variable "dnsip", when CONFIG_BOOTP_DNS
-               is added to the CONFIG_BOOTP_MASK.
+               is defined.
 
                CONFIG_BOOTP_SEND_HOSTNAME - Some DHCP servers are capable
                to do a dynamic update of a DNS server. To do this, they
                need the hostname of the DHCP requester.
-               If CONFIG_BOOP_SEND_HOSTNAME is added to the
-               CONFIG_BOOTP_MASK, the content of the "hostname"
-               environment variable is passed as option 12 to
-               the DHCP server.
+               If CONFIG_BOOTP_SEND_HOSTNAME is defined, the content
+               of the "hostname" environment variable is passed as
+               option 12 to the DHCP server.
 
  - CDP Options:
                CONFIG_CDP_DEVICE_ID
@@ -1371,7 +1353,7 @@ The following options need to be configured:
                CONFIG_FSL_I2C
 
                Define this option if you want to use Freescale's I2C driver in
-               drivers/fsl_i2c.c.
+               drivers/i2c/fsl_i2c.c.
 
 
 - SPI Support: CONFIG_SPI
@@ -1395,14 +1377,23 @@ The following options need to be configured:
                SPI configuration items (port pins to use, etc). For
                an example, see include/configs/sacsng.h.
 
-- FPGA Support: CONFIG_FPGA_COUNT
+- FPGA Support: CONFIG_FPGA
 
-               Specify the number of FPGA devices to support.
+               Enables FPGA subsystem.
+
+               CONFIG_FPGA_<vendor>
+
+               Enables support for specific chip vendors.
+               (ALTERA, XILINX)
 
-               CONFIG_FPGA
+               CONFIG_FPGA_<family>
 
-               Used to specify the types of FPGA devices.  For example,
-               #define CONFIG_FPGA  CFG_XILINX_VIRTEX2
+               Enables support for FPGA family.
+               (SPARTAN2, SPARTAN3, VIRTEX2, CYCLONE2, ACEX1K, ACEX)
+
+               CONFIG_FPGA_COUNT
+
+               Specify the number of FPGA devices to support.
 
                CFG_FPGA_PROG_FEEDBACK
 
@@ -1692,28 +1683,69 @@ The following options need to be configured:
   -31  post/post.c             POST test failed, detected by post_output_backlog()
   -32  post/post.c             POST test failed, detected by post_run_single()
 
-   -1  common/cmd_doc.c        Bad usage of "doc" command
-   -1  common/cmd_doc.c        No boot device
-   -1  common/cmd_doc.c        Unknown Chip ID on boot device
-   -1  common/cmd_doc.c        Read Error on boot device
-   -1  common/cmd_doc.c        Image header has bad magic number
-
-   -1  common/cmd_ide.c        Bad usage of "ide" command
-   -1  common/cmd_ide.c        No boot device
-   -1  common/cmd_ide.c        Unknown boot device
-   -1  common/cmd_ide.c        Unknown partition table
-   -1  common/cmd_ide.c        Invalid partition type
-   -1  common/cmd_ide.c        Read Error on boot device
-   -1  common/cmd_ide.c        Image header has bad magic number
-
-   -1  common/cmd_nand.c       Bad usage of "nand" command
-   -1  common/cmd_nand.c       No boot device
-   -1  common/cmd_nand.c       Unknown Chip ID on boot device
-   -1  common/cmd_nand.c       Read Error on boot device
-   -1  common/cmd_nand.c       Image header has bad magic number
-
-   -1  common/env_common.c     Environment has a bad CRC, using default
-
+   34  common/cmd_doc.c        before loading a Image from a DOC device
+  -35  common/cmd_doc.c        Bad usage of "doc" command
+   35  common/cmd_doc.c        correct usage of "doc" command
+  -36  common/cmd_doc.c        No boot device
+   36  common/cmd_doc.c        correct boot device
+  -37  common/cmd_doc.c        Unknown Chip ID on boot device
+   37  common/cmd_doc.c        correct chip ID found, device available
+  -38  common/cmd_doc.c        Read Error on boot device
+   38  common/cmd_doc.c        reading Image header from DOC device OK
+  -39  common/cmd_doc.c        Image header has bad magic number
+   39  common/cmd_doc.c        Image header has correct magic number
+  -40  common/cmd_doc.c        Error reading Image from DOC device
+   40  common/cmd_doc.c        Image header has correct magic number
+   41  common/cmd_ide.c        before loading a Image from a IDE device
+  -42  common/cmd_ide.c        Bad usage of "ide" command
+   42  common/cmd_ide.c        correct usage of "ide" command
+  -43  common/cmd_ide.c        No boot device
+   43  common/cmd_ide.c        boot device found
+  -44  common/cmd_ide.c        Device not available
+   44  common/cmd_ide.c        Device available
+  -45  common/cmd_ide.c        wrong partition selected
+   45  common/cmd_ide.c        partition selected
+  -46  common/cmd_ide.c        Unknown partition table
+   46  common/cmd_ide.c        valid partition table found
+  -47  common/cmd_ide.c        Invalid partition type
+   47  common/cmd_ide.c        correct partition type
+  -48  common/cmd_ide.c        Error reading Image Header on boot device
+   48  common/cmd_ide.c        reading Image Header from IDE device OK
+  -49  common/cmd_ide.c        Image header has bad magic number
+   49  common/cmd_ide.c        Image header has correct magic number
+  -50  common/cmd_ide.c        Image header has bad     checksum
+   50  common/cmd_ide.c        Image header has correct checksum
+  -51  common/cmd_ide.c        Error reading Image from IDE device
+   51  common/cmd_ide.c        reading Image from IDE device OK
+   52  common/cmd_nand.c       before loading a Image from a NAND device
+  -53  common/cmd_nand.c       Bad usage of "nand" command
+   53  common/cmd_nand.c       correct usage of "nand" command
+  -54  common/cmd_nand.c       No boot device
+   54  common/cmd_nand.c       boot device found
+  -55  common/cmd_nand.c       Unknown Chip ID on boot device
+   55  common/cmd_nand.c       correct chip ID found, device available
+  -56  common/cmd_nand.c       Error reading Image Header on boot device
+   56  common/cmd_nand.c       reading Image Header from NAND device OK
+  -57  common/cmd_nand.c       Image header has bad magic number
+   57  common/cmd_nand.c       Image header has correct magic number
+  -58  common/cmd_nand.c       Error reading Image from NAND device
+   58  common/cmd_nand.c       reading Image from NAND device OK
+
+  -60  common/env_common.c     Environment has a bad CRC, using default
+
+   64  net/eth.c               starting with Ethernetconfiguration.
+  -64  net/eth.c               no Ethernet found.
+   65  net/eth.c               Ethernet found.
+
+  -80  common/cmd_net.c        usage wrong
+   80  common/cmd_net.c        before calling NetLoop()
+  -81  common/cmd_net.c        some error in NetLoop() occured
+   81  common/cmd_net.c        NetLoop() back without error
+  -82  common/cmd_net.c        size == 0 (File with size 0 loaded)
+   82  common/cmd_net.c        trying automatic boot
+   83  common/cmd_net.c        running autoscript
+  -83  common/cmd_net.c        some error in automatic boot or autoscript
+   84  common/cmd_net.c        end without errors
 
 Modem Support:
 --------------
@@ -2098,7 +2130,7 @@ to save the current settings.
        to be a good choice since it makes it far enough from the
        start of the data area as well as from the stack pointer.
 
-Please note that the environment is read-only as long as the monitor
+Please note that the environment is read-only until the monitor
 has been relocated to RAM and a RAM copy of the environment has been
 created; also, when using EEPROM you will have to use getenv_r()
 until then to read environment variables.
@@ -2246,6 +2278,10 @@ Low Level (hardware related) configuration options:
                enable I2C microcode relocation patch (MPC8xx);
                define relocation offset in DPRAM [DSP2]
 
+- CFG_SMC_UCODE_PATCH, CFG_SMC_DPMEM_OFFSET [0x1FC0]:
+               enable SMC microcode relocation patch (MPC8xx);
+               define relocation offset in DPRAM [SMC1]
+
 - CFG_SPI_UCODE_PATCH, CFG_SPI_DPMEM_OFFSET [0x1FC0]:
                enable SPI microcode relocation patch (MPC8xx);
                define relocation offset in DPRAM [SCC4]
@@ -2375,34 +2411,7 @@ is done by typing:
        make NAME_config
 
 where "NAME_config" is the name of one of the existing
-configurations; the following names are supported:
-
-       ADCIOP_config           FPS860L_config          omap730p2_config
-       ADS860_config           GEN860T_config          pcu_e_config
-       Alaska8220_config
-       AR405_config            GENIETV_config          PIP405_config
-       at91rm9200dk_config     GTH_config              QS823_config
-       CANBT_config            hermes_config           QS850_config
-       cmi_mpc5xx_config       hymod_config            QS860T_config
-       cogent_common_config    IP860_config            RPXlite_config
-       cogent_mpc8260_config   IVML24_config           RPXlite_DW_config
-       cogent_mpc8xx_config    IVMS8_config            RPXsuper_config
-       CPCI405_config          JSE_config              rsdproto_config
-       CPCIISER4_config        LANTEC_config           Sandpoint8240_config
-       csb272_config           lwmon_config            sbc8260_config
-       CU824_config            MBX860T_config          sbc8560_33_config
-       DUET_ADS_config         MBX_config              sbc8560_66_config
-       EBONY_config            mpc7448hpc2_config      SM850_config
-       ELPT860_config          MPC8260ADS_config       SPD823TS_config
-       ESTEEM192E_config       MPC8540ADS_config       stxgp3_config
-       ETX094_config           MPC8540EVAL_config      SXNI855T_config
-       FADS823_config          NMPC8560ADS_config      TQM823L_config
-       FADS850SAR_config       NETVIA_config           TQM850L_config
-       FADS860T_config         omap1510inn_config      TQM855L_config
-       FPS850L_config          omap1610h2_config       TQM860L_config
-                               omap1610inn_config      walnut_config
-                               omap5912osk_config      Yukon8220_config
-                               omap2420h4_config       ZPC1900_config
+configurations; see the main Makefile for supported names.
 
 Note: for some board special configuration names may exist; check if
       additional information is available from the board vendor; for