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authorMarkus Klotzbuecher <mk@denx.de>2007-08-07 22:30:29 +0200
committerMarkus Klotzbuecher <mk@pollux.denx.de>2007-08-07 22:30:29 +0200
commit78549bbf44bd2c8d1a0730fb068836071751afaa (patch)
tree92f002dc9772874bc3c884b1caa5607763c2c276 /README
parent9b7464a2c88614e1061f509c48930a3d240d1a35 (diff)
parentb23b547597ff2375ad13a9ab04e5257a3ad76c99 (diff)
downloadu-boot-imx-78549bbf44bd2c8d1a0730fb068836071751afaa.zip
u-boot-imx-78549bbf44bd2c8d1a0730fb068836071751afaa.tar.gz
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Merge with git://www.denx.de/git/u-boot.git
Diffstat (limited to 'README')
-rw-r--r--README294
1 files changed, 169 insertions, 125 deletions
diff --git a/README b/README
index 294f0c1..0df024f 100644
--- a/README
+++ b/README
@@ -542,7 +542,7 @@ The following options need to be configured:
CFG_CONSOLE_BLINK_COUNT blink interval (cf. i8042.c)
CONFIG_CONSOLE_TIME display time/date info in
upper right corner
- (requires CFG_CMD_DATE)
+ (requires CONFIG_CMD_DATE)
CONFIG_VIDEO_LOGO display Linux logo in
upper left corner
CONFIG_VIDEO_BMP_LOGO use bmp_logo.h instead of
@@ -646,103 +646,96 @@ The following options need to be configured:
time on others. This setting #define's the initial
value of the "loads_echo" environment variable.
-- Kgdb Serial Baudrate: (if CFG_CMD_KGDB is defined)
+- Kgdb Serial Baudrate: (if CONFIG_CMD_KGDB is defined)
CONFIG_KGDB_BAUDRATE
Select one of the baudrates listed in
CFG_BAUDRATE_TABLE, see below.
- Monitor Functions:
- CONFIG_COMMANDS
- Most monitor functions can be selected (or
- de-selected) by adjusting the definition of
- CONFIG_COMMANDS; to select individual functions,
- #define CONFIG_COMMANDS by "OR"ing any of the
- following values:
-
- #define enables commands:
- -------------------------
- CFG_CMD_ASKENV * ask for env variable
- CFG_CMD_AUTOSCRIPT Autoscript Support
- CFG_CMD_BDI bdinfo
- CFG_CMD_BEDBUG * Include BedBug Debugger
- CFG_CMD_BMP * BMP support
- CFG_CMD_BSP * Board specific commands
- CFG_CMD_BOOTD bootd
- CFG_CMD_CACHE * icache, dcache
- CFG_CMD_CONSOLE coninfo
- CFG_CMD_DATE * support for RTC, date/time...
- CFG_CMD_DHCP * DHCP support
- CFG_CMD_DIAG * Diagnostics
- CFG_CMD_DOC * Disk-On-Chip Support
- CFG_CMD_DTT * Digital Therm and Thermostat
- CFG_CMD_ECHO echo arguments
- CFG_CMD_EEPROM * EEPROM read/write support
- CFG_CMD_ELF * bootelf, bootvx
- CFG_CMD_ENV saveenv
- CFG_CMD_FDC * Floppy Disk Support
- CFG_CMD_FAT * FAT partition support
- CFG_CMD_FDOS * Dos diskette Support
- CFG_CMD_FLASH flinfo, erase, protect
- CFG_CMD_FPGA FPGA device initialization support
- CFG_CMD_HWFLOW * RTS/CTS hw flow control
- CFG_CMD_I2C * I2C serial bus support
- CFG_CMD_IDE * IDE harddisk support
- CFG_CMD_IMI iminfo
- CFG_CMD_IMLS List all found images
- CFG_CMD_IMMAP * IMMR dump support
- CFG_CMD_IRQ * irqinfo
- CFG_CMD_ITEST Integer/string test of 2 values
- CFG_CMD_JFFS2 * JFFS2 Support
- CFG_CMD_KGDB * kgdb
- CFG_CMD_LOADB loadb
- CFG_CMD_LOADS loads
- CFG_CMD_MEMORY md, mm, nm, mw, cp, cmp, crc, base,
- loop, loopw, mtest
- CFG_CMD_MISC Misc functions like sleep etc
- CFG_CMD_MMC * MMC memory mapped support
- CFG_CMD_MII * MII utility commands
- CFG_CMD_NAND * NAND support
- CFG_CMD_NET bootp, tftpboot, rarpboot
- CFG_CMD_PCI * pciinfo
- CFG_CMD_PCMCIA * PCMCIA support
- CFG_CMD_PING * send ICMP ECHO_REQUEST to network host
- CFG_CMD_PORTIO * Port I/O
- CFG_CMD_REGINFO * Register dump
- CFG_CMD_RUN run command in env variable
- CFG_CMD_SAVES * save S record dump
- CFG_CMD_SCSI * SCSI Support
- CFG_CMD_SDRAM * print SDRAM configuration information
- (requires CFG_CMD_I2C)
- CFG_CMD_SETGETDCR Support for DCR Register access (4xx only)
- CFG_CMD_SPI * SPI serial bus support
- CFG_CMD_USB * USB support
- CFG_CMD_VFD * VFD support (TRAB)
- CFG_CMD_BSP * Board SPecific functions
- CFG_CMD_CDP * Cisco Discover Protocol support
- CFG_CMD_FSL * Microblaze FSL support
- -----------------------------------------------
- CFG_CMD_ALL all
-
- CONFIG_CMD_DFL Default configuration; at the moment
- this is includes all commands, except
- the ones marked with "*" in the list
- above.
-
- If you don't define CONFIG_COMMANDS it defaults to
- CONFIG_CMD_DFL in include/cmd_confdefs.h. A board can
- override the default settings in the respective
- include file.
+ 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"
+ and augmenting with additional #define's
+ for wanted commands.
+
+ The default command configuration includes all commands
+ except those marked below with a "*".
+
+ CONFIG_CMD_ASKENV * ask for env variable
+ CONFIG_CMD_AUTOSCRIPT Autoscript Support
+ CONFIG_CMD_BDI bdinfo
+ CONFIG_CMD_BEDBUG * Include BedBug Debugger
+ CONFIG_CMD_BMP * BMP support
+ CONFIG_CMD_BSP * Board specific commands
+ CONFIG_CMD_BOOTD bootd
+ CONFIG_CMD_CACHE * icache, dcache
+ CONFIG_CMD_CONSOLE coninfo
+ CONFIG_CMD_DATE * support for RTC, date/time...
+ CONFIG_CMD_DHCP * DHCP support
+ CONFIG_CMD_DIAG * Diagnostics
+ CONFIG_CMD_DOC * Disk-On-Chip Support
+ CONFIG_CMD_DTT * Digital Therm and Thermostat
+ CONFIG_CMD_ECHO echo arguments
+ CONFIG_CMD_EEPROM * EEPROM read/write support
+ CONFIG_CMD_ELF * bootelf, bootvx
+ CONFIG_CMD_ENV saveenv
+ CONFIG_CMD_FDC * Floppy Disk Support
+ CONFIG_CMD_FAT * FAT partition support
+ CONFIG_CMD_FDOS * Dos diskette Support
+ CONFIG_CMD_FLASH flinfo, erase, protect
+ CONFIG_CMD_FPGA FPGA device initialization support
+ CONFIG_CMD_HWFLOW * RTS/CTS hw flow control
+ CONFIG_CMD_I2C * I2C serial bus support
+ CONFIG_CMD_IDE * IDE harddisk support
+ CONFIG_CMD_IMI iminfo
+ CONFIG_CMD_IMLS List all found images
+ CONFIG_CMD_IMMAP * IMMR dump support
+ CONFIG_CMD_IRQ * irqinfo
+ CONFIG_CMD_ITEST Integer/string test of 2 values
+ CONFIG_CMD_JFFS2 * JFFS2 Support
+ CONFIG_CMD_KGDB * kgdb
+ CONFIG_CMD_LOADB loadb
+ CONFIG_CMD_LOADS loads
+ CONFIG_CMD_MEMORY md, mm, nm, mw, cp, cmp, crc, base,
+ loop, loopw, mtest
+ CONFIG_CMD_MISC Misc functions like sleep etc
+ CONFIG_CMD_MMC * MMC memory mapped support
+ CONFIG_CMD_MII * MII utility commands
+ CONFIG_CMD_NAND * NAND support
+ CONFIG_CMD_NET bootp, tftpboot, rarpboot
+ CONFIG_CMD_PCI * pciinfo
+ CONFIG_CMD_PCMCIA * PCMCIA support
+ CONFIG_CMD_PING * send ICMP ECHO_REQUEST to network
+ host
+ CONFIG_CMD_PORTIO * Port I/O
+ CONFIG_CMD_REGINFO * Register dump
+ CONFIG_CMD_RUN run command in env variable
+ CONFIG_CMD_SAVES * save S record dump
+ CONFIG_CMD_SCSI * SCSI Support
+ CONFIG_CMD_SDRAM * print SDRAM configuration information
+ (requires CONFIG_CMD_I2C)
+ CONFIG_CMD_SETGETDCR Support for DCR Register access
+ (4xx only)
+ CONFIG_CMD_SPI * SPI serial bus support
+ CONFIG_CMD_USB * USB support
+ CONFIG_CMD_VFD * VFD support (TRAB)
+ CONFIG_CMD_BSP * Board SPecific functions
+ CONFIG_CMD_CDP * Cisco Discover Protocol support
+ CONFIG_CMD_FSL * Microblaze FSL support
+
EXAMPLE: If you want all functions except of network
support you can write:
- #define CONFIG_COMMANDS (CFG_CMD_ALL & ~CFG_CMD_NET)
+ #include "config_cmd_all.h"
+ #undef CONFIG_CMD_NET
Other Commands:
fdt (flattened device tree) command: CONFIG_OF_LIBFDT
Note: Don't enable the "icache" and "dcache" commands
- (configuration option CFG_CMD_CACHE) unless you know
+ (configuration option CONFIG_CMD_CACHE) unless you know
what you (and your U-Boot users) are doing. Data
cache cannot be enabled on systems like the 8xx or
8260 (where accesses to the IMMR region must be
@@ -770,7 +763,7 @@ The following options need to be configured:
- Real-Time Clock:
- When CFG_CMD_DATE is selected, the type of the RTC
+ When CONFIG_CMD_DATE is selected, the type of the RTC
has to be selected, too. Define exactly one of the
following options:
@@ -791,14 +784,14 @@ The following options need to be configured:
When CONFIG_TIMESTAMP is selected, the timestamp
(date and time) of an image is printed by image
commands like bootm or iminfo. This option is
- automatically enabled when you select CFG_CMD_DATE .
+ automatically enabled when you select CONFIG_CMD_DATE .
- Partition Support:
CONFIG_MAC_PARTITION and/or CONFIG_DOS_PARTITION
and/or CONFIG_ISO_PARTITION
- If IDE or SCSI support is enabled (CFG_CMD_IDE or
- CFG_CMD_SCSI) you must configure support for at least
+ 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.
- IDE Reset method:
@@ -973,8 +966,8 @@ The following options need to be configured:
enable this define CONFIG_MMC. The MMC can be
accessed from the boot prompt by mapping the device
to physical memory similar to flash. Command line is
- enabled with CFG_CMD_MMC. The MMC driver also works with
- the FAT fs. This is enabled with CFG_CMD_FAT.
+ enabled with CONFIG_CMD_MMC. The MMC driver also works with
+ the FAT fs. This is enabled with CONFIG_CMD_FAT.
- Journaling Flash filesystem support:
CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
@@ -1189,7 +1182,7 @@ 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
@@ -1198,10 +1191,21 @@ 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_DNS2 - If a DHCP client requests the DNS
serverip from a DHCP server, it is possible that more
@@ -1210,15 +1214,14 @@ 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_BOOP_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
@@ -1286,7 +1289,7 @@ The following options need to be configured:
include the appropriate I2C driver for the selected cpu.
This will allow you to use i2c commands at the u-boot
- command line (as long as you set CFG_CMD_I2C in
+ command line (as long as you set CONFIG_CMD_I2C in
CONFIG_COMMANDS) and communicate with i2c based realtime
clock chips. See common/cmd_i2c.c for a description of the
command line interface.
@@ -1765,28 +1768,69 @@ 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:
--------------
@@ -2394,7 +2438,7 @@ Low Level (hardware related) configuration options:
- CONFIG_LOOPW
Add the "loopw" memory command. This only takes effect if
- the memory commands are activated globally (CFG_CMD_MEM).
+ the memory commands are activated globally (CONFIG_CMD_MEM).
- CONFIG_MX_CYCLIC
Add the "mdc" and "mwc" memory commands. These are cyclic
@@ -2408,7 +2452,7 @@ Low Level (hardware related) configuration options:
This command will write 12345678 to address 100 all 10 ms.
This only takes effect if the memory commands are activated
- globally (CFG_CMD_MEM).
+ globally (CONFIG_CMD_MEM).
- CONFIG_SKIP_LOWLEVEL_INIT
- CONFIG_SKIP_RELOCATE_UBOOT